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ZealOS/docs/System/Gr/GrBitMap.CC.html
TomAwezome 293db76ddb Update documentation.
2021-10-27 03:28:16 -04:00

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<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF0>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Graphics&quot;</span><span class=cF0>
<a name="l2"></a>
<a name="l3"></a></span><span class=cF5>Option</span><span class=cF0>(</span><span class=cF3>OPTf_WARN_HEADER_MISMATCH</span><span class=cF0>, </span><span class=cF3>OFF</span><span class=cF0>);
<a name="l4"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF1>Bool</span><span class=cF0> </span><span class=cF5>GrPlot0</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y)
<a name="l5"></a>{</span><span class=cF2>//2D. No clipping or transformation or thick.</span><span class=cF0>
<a name="l6"></a> </span><span class=cF1>U8</span><span class=cF0> *dst;
<a name="l7"></a> </span><span class=cF9>I32</span><span class=cF0> *db;
<a name="l8"></a> </span><span class=cF9>I64</span><span class=cF0> d, dist;
<a name="l9"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> c, color = dc-&gt;color, bkcolor = dc-&gt;bkcolor;
<a name="l10"></a> </span><span class=cF1>Bool</span><span class=cF0> was_timer_rand = </span><span class=cF5>Bts</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>);
<a name="l11"></a>
<a name="l12"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l13"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l14"></a> dist = </span><span class=cF5>DistSqrI64</span><span class=cF0>(x, y, dc-&gt;cur_x, dc-&gt;cur_y);
<a name="l15"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l16"></a> dc-&gt;nearest_dist = dist;
<a name="l17"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l18"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l19"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l20"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; dc-&gt;min_x)
<a name="l21"></a> dc-&gt;min_x = x;
<a name="l22"></a>
<a name="l23"></a> </span><span class=cF1>if</span><span class=cF0> (x &gt; dc-&gt;max_x)
<a name="l24"></a> dc-&gt;max_x = x;
<a name="l25"></a>
<a name="l26"></a> </span><span class=cF1>if</span><span class=cF0> (y &lt; dc-&gt;min_y)
<a name="l27"></a> dc-&gt;min_y = y;
<a name="l28"></a>
<a name="l29"></a> </span><span class=cF1>if</span><span class=cF0> (y &gt; dc-&gt;max_y)
<a name="l30"></a> dc-&gt;max_y = y;
<a name="l31"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l32"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_DONT_DRAW</span><span class=cF0>)
<a name="l33"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l34"></a> d = dc-&gt;width_internal * y + x;
<a name="l35"></a> </span><span class=cF1>if</span><span class=cF0> (db = dc-&gt;depth_buf)
<a name="l36"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l37"></a> db += d;
<a name="l38"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFE>0</span><span class=cF0> &lt;= dc-&gt;db_z &lt;= *db)
<a name="l39"></a> *db = dc-&gt;db_z;
<a name="l40"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l41"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l42"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l43"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF7>(</span><span class=cF3>ROPBF_DITHER</span><span class=cF0> | </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF7>)</span><span class=cF0>)
<a name="l44"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l45"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF0>)
<a name="l46"></a> {
<a name="l47"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0>&lt;dc-&gt;dither_probability_u16)
<a name="l48"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l49"></a> color.c1.rop = color.c0.rop;
<a name="l50"></a> color.c0 = color.c1;
<a name="l51"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l52"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l53"></a> }
<a name="l54"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l55"></a> {
<a name="l56"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>x ^ y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l57"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l58"></a> color.c1.rop = color.c0.rop;
<a name="l59"></a> color.c0 = color.c1;
<a name="l60"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l61"></a> }
<a name="l62"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l63"></a> dst = dc-&gt;body + d;
<a name="l64"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l65"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l66"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l67"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l68"></a> *dst = color.c0.color;
<a name="l69"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l70"></a>
<a name="l71"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>:
<a name="l72"></a> c = *dst;
<a name="l73"></a> </span><span class=cF1>if</span><span class=cF0> (c != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c != bkcolor.c0.color)
<a name="l74"></a> dc-&gt;collision_count++;
<a name="l75"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l76"></a>
<a name="l77"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l78"></a> *dst ^= color.c0.color;
<a name="l79"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l80"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l81"></a>
<a name="l82"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l83"></a>}
<a name="l84"></a></span><span class=cF5>Option</span><span class=cF0>(</span><span class=cF3>OPTf_WARN_HEADER_MISMATCH</span><span class=cF0>, </span><span class=cF3>ON</span><span class=cF0>);
<a name="l85"></a>
<a name="l86"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrPeek0</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y)
<a name="l87"></a>{</span><span class=cF2>//2D. No clipping or transformation.</span><span class=cF0>
<a name="l88"></a> </span><span class=cF1>return</span><span class=cF0> dc-&gt;body[dc-&gt;width_internal * y + x];
<a name="l89"></a>}
<a name="l90"></a>
<a name="l91"></a>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Graphics;Graphics/Device Contexts&quot;</span><span class=cF0>
<a name="l92"></a>
<a name="l93"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrBlot</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF9>CDC</span><span class=cF0> *img)
<a name="l94"></a>{</span><span class=cF2>//2D. Clipping but not transformation..</span><span class=cF0>
<a name="l95"></a> </span><span class=cF9>I64</span><span class=cF0> i, j, k, k1, kk, kk1, w1, h1, w2, h2, dist,
<a name="l96"></a> leading_pixels, leading_pixel_mask, whole_I64s,
<a name="l97"></a> trailing_pixels, trailing_pixel_mask,
<a name="l98"></a> </span><span class=cF1>reg</span><span class=cF0> bit_shift, win_z_buf_line_inc, win_z_buf_line_dec, win_z_num,
<a name="l99"></a> color_mask;
<a name="l100"></a> </span><span class=cF1>U8</span><span class=cF0> </span><span class=cF1>reg</span><span class=cF0> *dst, *src;
<a name="l101"></a> </span><span class=cF9>I32</span><span class=cF0> *db;
<a name="l102"></a> </span><span class=cF9>U16</span><span class=cF0> </span><span class=cF1>reg</span><span class=cF0> *win_z_buf_ptr;
<a name="l103"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> color, c, old_color;
<a name="l104"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l105"></a>
<a name="l106"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l107"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l108"></a> win_task = dc-&gt;win_task;
<a name="l109"></a> x += win_task-&gt;scroll_x;
<a name="l110"></a> y += win_task-&gt;scroll_y;
<a name="l111"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l112"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l113"></a> w1 = -x;
<a name="l114"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l115"></a> w1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l116"></a> </span><span class=cF1>if</span><span class=cF0> (y &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l117"></a> h1 = -y;
<a name="l118"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l119"></a> h1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l120"></a> w2 = img-&gt;width;
<a name="l121"></a> h2 = img-&gt;height;
<a name="l122"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l123"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l124"></a> x += win_task-&gt;pix_left;
<a name="l125"></a> y += win_task-&gt;pix_top;
<a name="l126"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l127"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l128"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l129"></a> dist = </span><span class=cF5>DistSqrI64</span><span class=cF0>(x + img-&gt;width &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, y + img-&gt;height &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, dc-&gt;cur_x, dc-&gt;cur_y);
<a name="l130"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l131"></a> dc-&gt;nearest_dist = dist;
<a name="l132"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l133"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l134"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l135"></a> </span><span class=cF1>if</span><span class=cF0> (x + w1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l136"></a> w1=-x;
<a name="l137"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 &gt; win_task-&gt;pix_right + </span><span class=cFE>1</span><span class=cF0>)
<a name="l138"></a> w2 = win_task-&gt;pix_right + </span><span class=cFE>1</span><span class=cF0> - x;
<a name="l139"></a>
<a name="l140"></a> </span><span class=cF1>if</span><span class=cF0> (y + h1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l141"></a> h1 = -y;
<a name="l142"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 &gt; win_task-&gt;pix_bottom + </span><span class=cFE>1</span><span class=cF0>)
<a name="l143"></a> h2 = win_task-&gt;pix_bottom + </span><span class=cFE>1</span><span class=cF0> - y;
<a name="l144"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l145"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2&gt;dc-&gt;width)
<a name="l146"></a> w2 = dc-&gt;width - x;
<a name="l147"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 &gt; dc-&gt;height)
<a name="l148"></a> h2 = dc-&gt;height - y;
<a name="l149"></a> </span><span class=cF1>if</span><span class=cF0> (w1 &lt; w2 &lt;= img-&gt;width &amp;&amp; h1 &lt; h2 &lt;= img-&gt;height)
<a name="l150"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l151"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l152"></a> {
<a name="l153"></a> </span><span class=cF1>if</span><span class=cF0> (x + w1 &lt; dc-&gt;min_x)
<a name="l154"></a> dc-&gt;min_x = x + w1;
<a name="l155"></a>
<a name="l156"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 - </span><span class=cFE>1</span><span class=cF0> &gt; dc-&gt;max_x)
<a name="l157"></a> dc-&gt;max_x = x + w2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l158"></a>
<a name="l159"></a> </span><span class=cF1>if</span><span class=cF0> (y + h1 &lt; dc-&gt;min_y)
<a name="l160"></a> dc-&gt;min_y = y + h1;
<a name="l161"></a>
<a name="l162"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 - </span><span class=cFE>1</span><span class=cF0> &gt; dc-&gt;max_y)
<a name="l163"></a> dc-&gt;max_y = y + h2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l164"></a> }
<a name="l165"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_DONT_DRAW</span><span class=cF0>)
<a name="l166"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l167"></a>
<a name="l168"></a> old_color = dc-&gt;color;
<a name="l169"></a> db = dc-&gt;depth_buf;
<a name="l170"></a> dc-&gt;depth_buf = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l171"></a> dc-&gt;color &amp;= ~</span><span class=cF3>ROPF_DITHER</span><span class=cF0>;
<a name="l172"></a> color = dc-&gt;color;
<a name="l173"></a> leading_pixels = -(w1 + x) &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l174"></a> leading_pixel_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xFF</span><span class=cF0> &gt;&gt; leading_pixels];
<a name="l175"></a> bit_shift = -x &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l176"></a> whole_I64s = (w2 - w1 - leading_pixels) &gt;&gt; </span><span class=cFE>3</span><span class=cF0>;
<a name="l177"></a> </span><span class=cF1>if</span><span class=cF0> (whole_I64s &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l178"></a> whole_I64s = </span><span class=cFE>0</span><span class=cF0>;
<a name="l179"></a> trailing_pixels = (x + w2) &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l180"></a> trailing_pixel_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xFF</span><span class=cF0> &lt;&lt; trailing_pixels &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l181"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels + trailing_pixels &gt; w2 - w1)
<a name="l182"></a> {
<a name="l183"></a> leading_pixel_mask |= trailing_pixel_mask;
<a name="l184"></a> trailing_pixels = </span><span class=cFE>0</span><span class=cF0>;
<a name="l185"></a> }
<a name="l186"></a> </span><span class=cF1>switch</span><span class=cF0> (color.c0.rop)
<a name="l187"></a> {
<a name="l188"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>: </span><span class=cF2>//TODO: Might want to check win_z_buf</span><span class=cF0>
<a name="l189"></a> color = dc-&gt;bkcolor.c0.color;
<a name="l190"></a> k = h1 * img-&gt;width_internal;
<a name="l191"></a> k1 = (h1 + y) * dc-&gt;width_internal + x;
<a name="l192"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l193"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l194"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2; i++)
<a name="l195"></a> {
<a name="l196"></a> c = dc-&gt;body[k1 + i];
<a name="l197"></a> </span><span class=cF1>if</span><span class=cF0> (c != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c != color &amp;&amp; img-&gt;body[k + i] != </span><span class=cF3>TRANSPARENT</span><span class=cF0>)
<a name="l198"></a> dc-&gt;collision_count++;
<a name="l199"></a> }
<a name="l200"></a> k += img-&gt;width_internal;
<a name="l201"></a> k1 += dc-&gt;width_internal;
<a name="l202"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l203"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l204"></a>
<a name="l205"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l206"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l207"></a> </span><span class=cF1>if</span><span class=cF0> (img-&gt;flags &amp; </span><span class=cF3>DCF_NO_TRANSPARENTS</span><span class=cF0>)
<a name="l208"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l209"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l210"></a> win_z_buf_ptr = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l211"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l212"></a> {
<a name="l213"></a> win_z_num = win_task-&gt;win_z_num;
<a name="l214"></a> win_z_buf_ptr = </span><span class=cFB>gr</span><span class=cF0>.win_z_buf(</span><span class=cF1>U8</span><span class=cF0> *) +
<a name="l215"></a> (</span><span class=cF7>(</span><span class=cF0>h1 + y</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cF3>TEXT_COLS</span><span class=cF0> + </span><span class=cF7>(</span><span class=cF0>w1 + x</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_WIDTH</span><span class=cF0>) * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l216"></a> win_z_buf_line_dec = whole_I64s;
<a name="l217"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l218"></a> win_z_buf_line_dec++;
<a name="l219"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l220"></a> win_z_buf_line_dec++;
<a name="l221"></a> win_z_buf_line_dec *= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l222"></a> win_z_buf_line_inc = </span><span class=cF3>TEXT_COLS</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>) - win_z_buf_line_dec;
<a name="l223"></a> }
<a name="l224"></a> kk = h1 * img-&gt;width_internal + w1;
<a name="l225"></a> kk1 = (h1 + y) * dc-&gt;width_internal + x + w1;
<a name="l226"></a> kk = (kk - bit_shift) &amp; ~</span><span class=cFE>7</span><span class=cF0> + bit_shift;
<a name="l227"></a> bit_shift *= </span><span class=cFE>8</span><span class=cF0>;
<a name="l228"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l229"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l230"></a> {
<a name="l231"></a> src = img-&gt;body + kk &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l232"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l233"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l234"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l235"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l236"></a> {
<a name="l237"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l238"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l239"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l240"></a> ~leading_pixel_mask &amp; color_mask;
<a name="l241"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l242"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l243"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~leading_pixel_mask &amp; color_mask;
<a name="l244"></a> }
<a name="l245"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l246"></a> {
<a name="l247"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l248"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l249"></a> }
<a name="l250"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l251"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l252"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l253"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l254"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l255"></a> color_mask;
<a name="l256"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l257"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l258"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l259"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l260"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l261"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l262"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l263"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l264"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; color_mask;
<a name="l265"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l266"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l267"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l268"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l269"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l270"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l271"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l272"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l273"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l274"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l275"></a> ~trailing_pixel_mask &amp; color_mask;
<a name="l276"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l277"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l278"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~trailing_pixel_mask &amp; color_mask;
<a name="l279"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l280"></a> kk += img-&gt;width_internal;
<a name="l281"></a> kk1 += dc-&gt;width_internal;
<a name="l282"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l283"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l284"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l285"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l286"></a> }
<a name="l287"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l288"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l289"></a> {
<a name="l290"></a> src = img-&gt;body + kk &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l291"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l292"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l293"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l294"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l295"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l296"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l297"></a> ~leading_pixel_mask &amp; color_mask;
<a name="l298"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l299"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l300"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~leading_pixel_mask &amp; color_mask;
<a name="l301"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l302"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l303"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l304"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l305"></a> color_mask;
<a name="l306"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l307"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l308"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; color_mask;
<a name="l309"></a>
<a name="l310"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l311"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l312"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l313"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l314"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l315"></a> ~trailing_pixel_mask &amp; color_mask;
<a name="l316"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l317"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l318"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~trailing_pixel_mask &amp; color_mask;
<a name="l319"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l320"></a> kk += img-&gt;width_internal;
<a name="l321"></a> kk1 += dc-&gt;width_internal;
<a name="l322"></a> }
<a name="l323"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l324"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l325"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l326"></a> k = h1 * img-&gt;width_internal;
<a name="l327"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l328"></a> {
<a name="l329"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l330"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l331"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2; i++)
<a name="l332"></a> </span><span class=cF1>if</span><span class=cF0> (img-&gt;body[k + i])
<a name="l333"></a> </span><span class=cF5>GrPlot0</span><span class=cF0>(dc, x + i, y + j);
<a name="l334"></a> k += img-&gt;width_internal;
<a name="l335"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l336"></a> }
<a name="l337"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l338"></a> {
<a name="l339"></a> win_z_num = win_task-&gt;win_z_num;
<a name="l340"></a> win_z_buf_ptr = </span><span class=cFB>gr</span><span class=cF0>.win_z_buf(</span><span class=cF1>U8</span><span class=cF0> *) +
<a name="l341"></a> (</span><span class=cF7>(</span><span class=cF0>h1 + y</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cF3>TEXT_COLS</span><span class=cF0> + </span><span class=cF7>(</span><span class=cF0>w1 + x</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_WIDTH</span><span class=cF0>) * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l342"></a> win_z_buf_line_dec = whole_I64s;
<a name="l343"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l344"></a> win_z_buf_line_dec++;
<a name="l345"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l346"></a> win_z_buf_line_dec++;
<a name="l347"></a> win_z_buf_line_dec *= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l348"></a> win_z_buf_line_inc = </span><span class=cF3>TEXT_COLS</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>) - win_z_buf_line_dec;
<a name="l349"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l350"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l351"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l352"></a> color_mask = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l353"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l354"></a> color_mask = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l355"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2;)
<a name="l356"></a> {
<a name="l357"></a> </span><span class=cF1>if</span><span class=cF0> (color_mask)
<a name="l358"></a> </span><span class=cF1>if</span><span class=cF0> (img-&gt;body[k + i])
<a name="l359"></a> </span><span class=cF5>GrPlot0</span><span class=cF0>(dc, x + i, y + j);
<a name="l360"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>(++i + x) &amp; </span><span class=cFE>7</span><span class=cF7>)</span><span class=cF0> &amp;&amp; i &lt; w2)
<a name="l361"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l362"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l363"></a> color_mask = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l364"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l365"></a> color_mask = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l366"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l367"></a> }
<a name="l368"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l369"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l370"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l371"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l372"></a> k += img-&gt;width_internal;
<a name="l373"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l374"></a> }
<a name="l375"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l376"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l377"></a>
<a name="l378"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l379"></a> </span><span class=cF1>if</span><span class=cF0> (img-&gt;flags &amp; </span><span class=cF3>DCF_NO_TRANSPARENTS</span><span class=cF0>)
<a name="l380"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l381"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l382"></a> win_z_buf_ptr = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l383"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l384"></a> {
<a name="l385"></a> win_z_num = win_task-&gt;win_z_num;
<a name="l386"></a> win_z_buf_ptr = </span><span class=cFB>gr</span><span class=cF0>.win_z_buf(</span><span class=cF1>U8</span><span class=cF0> *) +
<a name="l387"></a> (</span><span class=cF7>(</span><span class=cF0>h1 + y</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cF3>TEXT_COLS</span><span class=cF0> + </span><span class=cF7>(</span><span class=cF0>w1 + x</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_WIDTH</span><span class=cF0>) * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l388"></a> win_z_buf_line_dec = whole_I64s;
<a name="l389"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l390"></a> win_z_buf_line_dec++;
<a name="l391"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l392"></a> win_z_buf_line_dec++;
<a name="l393"></a> win_z_buf_line_dec *= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l394"></a> win_z_buf_line_inc = </span><span class=cF3>TEXT_COLS</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>) - win_z_buf_line_dec;
<a name="l395"></a> }
<a name="l396"></a> kk = h1 * img-&gt;width_internal + w1;
<a name="l397"></a> kk1 = (h1 + y) * dc-&gt;width_internal + x + w1;
<a name="l398"></a> kk = (kk - bit_shift) &amp; ~</span><span class=cFE>7</span><span class=cF0> + bit_shift;
<a name="l399"></a> bit_shift *= </span><span class=cFE>8</span><span class=cF0>;
<a name="l400"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l401"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l402"></a> {
<a name="l403"></a> src = img-&gt;body + kk &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l404"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l405"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l406"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l407"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l408"></a> {
<a name="l409"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l410"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l411"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l412"></a> ~leading_pixel_mask;
<a name="l413"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l414"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l415"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~leading_pixel_mask;
<a name="l416"></a> }
<a name="l417"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l418"></a> {
<a name="l419"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l420"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l421"></a> }
<a name="l422"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l423"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l424"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l425"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l426"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift |
<a name="l427"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift);
<a name="l428"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l429"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l430"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l431"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l432"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l433"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l434"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l435"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l436"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l437"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l438"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l439"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l440"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l441"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l442"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l443"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l444"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l445"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l446"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l447"></a> ~trailing_pixel_mask;
<a name="l448"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l449"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l450"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~trailing_pixel_mask;
<a name="l451"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l452"></a> kk += img-&gt;width_internal;
<a name="l453"></a> kk1 += dc-&gt;width_internal;
<a name="l454"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l455"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l456"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l457"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l458"></a> }
<a name="l459"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l460"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l461"></a> {
<a name="l462"></a> src = img-&gt;body + kk &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l463"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l464"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l465"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l466"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l467"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l468"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l469"></a> ~leading_pixel_mask;
<a name="l470"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l471"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l472"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~leading_pixel_mask;
<a name="l473"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l474"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l475"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l476"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift |
<a name="l477"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift);
<a name="l478"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l479"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l480"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l481"></a>
<a name="l482"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l483"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l484"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l485"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l486"></a> (*src</span><span class=cF7>(</span><span class=cF9>U64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ &gt;&gt; bit_shift | *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &lt;&lt; </span><span class=cF7>(</span><span class=cFE>64</span><span class=cF0> - bit_shift</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l487"></a> ~trailing_pixel_mask;
<a name="l488"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l489"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l490"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *)++ &amp; ~trailing_pixel_mask;
<a name="l491"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l492"></a> kk += img-&gt;width_internal;
<a name="l493"></a> kk1 += dc-&gt;width_internal;
<a name="l494"></a> }
<a name="l495"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l496"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l497"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l498"></a>here1a:
<a name="l499"></a> k = h1 * img-&gt;width_internal;
<a name="l500"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l501"></a> {
<a name="l502"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l503"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l504"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2; i++)
<a name="l505"></a> {
<a name="l506"></a> c = img-&gt;body[k + i];
<a name="l507"></a> </span><span class=cF1>if</span><span class=cF0> (c != </span><span class=cF3>TRANSPARENT</span><span class=cF0>)
<a name="l508"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l509"></a> dc-&gt;color.c0.color = c;
<a name="l510"></a> </span><span class=cF5>GrPlot0</span><span class=cF0>(dc, x + i, y + j);
<a name="l511"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l512"></a> }
<a name="l513"></a> k += img-&gt;width_internal;
<a name="l514"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l515"></a> }
<a name="l516"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l517"></a> {
<a name="l518"></a> win_z_num = win_task-&gt;win_z_num;
<a name="l519"></a> win_z_buf_ptr = </span><span class=cFB>gr</span><span class=cF0>.win_z_buf(</span><span class=cF1>U8</span><span class=cF0> *) +
<a name="l520"></a> (</span><span class=cF7>(</span><span class=cF0>h1 + y</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cF3>TEXT_COLS</span><span class=cF0> + </span><span class=cF7>(</span><span class=cF0>w1 + x</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_WIDTH</span><span class=cF0>) * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l521"></a> win_z_buf_line_dec = whole_I64s;
<a name="l522"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l523"></a> win_z_buf_line_dec++;
<a name="l524"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l525"></a> win_z_buf_line_dec++;
<a name="l526"></a> win_z_buf_line_dec *= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l527"></a> win_z_buf_line_inc = </span><span class=cF3>TEXT_COLS</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>) - win_z_buf_line_dec;
<a name="l528"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l529"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l530"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l531"></a> color_mask = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l532"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l533"></a> color_mask = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l534"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2;)
<a name="l535"></a> {
<a name="l536"></a> </span><span class=cF1>if</span><span class=cF0> (color_mask)
<a name="l537"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l538"></a> c = img-&gt;body[k + i];
<a name="l539"></a> </span><span class=cF1>if</span><span class=cF0> (c != </span><span class=cF3>TRANSPARENT</span><span class=cF0>)
<a name="l540"></a> {
<a name="l541"></a> dc-&gt;color.c0.color = c;
<a name="l542"></a> </span><span class=cF5>GrPlot0</span><span class=cF0>(dc, x + i, y + j);
<a name="l543"></a> }
<a name="l544"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l545"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>(++i + x) &amp; </span><span class=cFE>7</span><span class=cF7>)</span><span class=cF0> &amp;&amp; i &lt; w2)
<a name="l546"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l547"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l548"></a> color_mask = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l549"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l550"></a> color_mask = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l551"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l552"></a> }
<a name="l553"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l554"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l555"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l556"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l557"></a> k += img-&gt;width_internal;
<a name="l558"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l559"></a> }
<a name="l560"></a> dc-&gt;color = color;
<a name="l561"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l562"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l563"></a>
<a name="l564"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l565"></a> </span><span class=cF1>if</span><span class=cF0> (img-&gt;flags &amp; </span><span class=cF3>DCF_NO_TRANSPARENTS</span><span class=cF0>)
<a name="l566"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l567"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l568"></a> win_z_buf_ptr = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l569"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l570"></a> {
<a name="l571"></a> win_z_num = win_task-&gt;win_z_num;
<a name="l572"></a> win_z_buf_ptr = </span><span class=cFB>gr</span><span class=cF0>.win_z_buf(</span><span class=cF1>U8</span><span class=cF0> *) +
<a name="l573"></a> (</span><span class=cF7>(</span><span class=cF0>h1 + y</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cF3>TEXT_COLS</span><span class=cF0> + </span><span class=cF7>(</span><span class=cF0>w1 + x</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_WIDTH</span><span class=cF0>) * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l574"></a> win_z_buf_line_dec = whole_I64s;
<a name="l575"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l576"></a> win_z_buf_line_dec++;
<a name="l577"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l578"></a> win_z_buf_line_dec++;
<a name="l579"></a> win_z_buf_line_dec *= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l580"></a> win_z_buf_line_inc = </span><span class=cF3>TEXT_COLS</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>) - win_z_buf_line_dec;
<a name="l581"></a> }
<a name="l582"></a> kk = h1 * img-&gt;width_internal + w1;
<a name="l583"></a> kk1 = (h1 + y) * dc-&gt;width_internal + x + w1;
<a name="l584"></a> kk = (kk - bit_shift) &amp; ~</span><span class=cFE>7</span><span class=cF0> + bit_shift;
<a name="l585"></a> bit_shift *= </span><span class=cFE>8</span><span class=cF0>;
<a name="l586"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l587"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l588"></a> {
<a name="l589"></a> src = img-&gt;body + kk &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l590"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l591"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l592"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l593"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l594"></a> {
<a name="l595"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l596"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l597"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^
<a name="l598"></a> </span><span class=cF7>(</span><span class=cF0>*src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift | *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift)</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l599"></a> ~leading_pixel_mask;
<a name="l600"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l601"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l602"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++) &amp; ~leading_pixel_mask;
<a name="l603"></a> }
<a name="l604"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l605"></a> {
<a name="l606"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l607"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l608"></a> }
<a name="l609"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l610"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l611"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l612"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l613"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ ^= *src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift |
<a name="l614"></a> *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift);
<a name="l615"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l616"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l617"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l618"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l619"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l620"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l621"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l622"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l623"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ ^= *src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l624"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l625"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l626"></a> src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l627"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l628"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l629"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l630"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l631"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l632"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l633"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^
<a name="l634"></a> </span><span class=cF7>(</span><span class=cF0>*src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift | *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift)</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l635"></a> ~trailing_pixel_mask;
<a name="l636"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l637"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l638"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++) &amp; ~trailing_pixel_mask;
<a name="l639"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l640"></a> kk += img-&gt;width_internal;
<a name="l641"></a> kk1 += dc-&gt;width_internal;
<a name="l642"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l643"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l644"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l645"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l646"></a> }
<a name="l647"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l648"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l649"></a> {
<a name="l650"></a> src = img-&gt;body + kk &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l651"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l652"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l653"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l654"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l655"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l656"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^
<a name="l657"></a> </span><span class=cF7>(</span><span class=cF0>*src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift | *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift)</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l658"></a> ~leading_pixel_mask;
<a name="l659"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l660"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l661"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++) &amp; ~leading_pixel_mask;
<a name="l662"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l663"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l664"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l665"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ ^= *src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift | *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift);
<a name="l666"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l667"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++)
<a name="l668"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ ^= *src(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l669"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l670"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l671"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l672"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *)&amp;trailing_pixel_mask |
<a name="l673"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^
<a name="l674"></a> </span><span class=cF7>(</span><span class=cF0>*src(</span><span class=cF9>U64</span><span class=cF0> *)++ &gt;&gt; bit_shift | *src(</span><span class=cF9>I64</span><span class=cF0> *) &lt;&lt; (</span><span class=cFE>64</span><span class=cF0> - bit_shift)</span><span class=cF7>)</span><span class=cF0>) &amp;
<a name="l675"></a> ~trailing_pixel_mask;
<a name="l676"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l677"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l678"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ *src</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++) &amp; ~trailing_pixel_mask;
<a name="l679"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l680"></a> kk += img-&gt;width_internal;
<a name="l681"></a> kk1 += dc-&gt;width_internal;
<a name="l682"></a> }
<a name="l683"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l684"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l685"></a> </span><span class=cF1>goto</span><span class=cF0> here1a;
<a name="l686"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l687"></a> }
<a name="l688"></a> dc-&gt;depth_buf = db;
<a name="l689"></a> dc-&gt;color = old_color;
<a name="l690"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l691"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l692"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l693"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l694"></a>}
<a name="l695"></a>
<a name="l696"></a>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Graphics/Device Contexts&quot;</span><span class=cF0>
<a name="l697"></a>
<a name="l698"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>GrBitMap4ToBitMap8</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *dst, </span><span class=cF1>U8</span><span class=cF0> *src, </span><span class=cF9>I64</span><span class=cF0> src_size, </span><span class=cF9>I64</span><span class=cF0> bkcolor)
<a name="l699"></a>{
<a name="l700"></a> </span><span class=cF9>I64</span><span class=cF0> c, k, i = src_size * </span><span class=cFE>2</span><span class=cF0>, i1 = i &gt;&gt; </span><span class=cFE>3</span><span class=cF0>;
<a name="l701"></a>
<a name="l702"></a> </span><span class=cF1>for</span><span class=cF0> (k = </span><span class=cFE>0</span><span class=cF0>; k &lt; i; k++)
<a name="l703"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l704"></a> c = </span><span class=cFE>0</span><span class=cF0>;
<a name="l705"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>src, k</span><span class=cF7>)</span><span class=cF0>) c |= </span><span class=cFE>1</span><span class=cF0>;
<a name="l706"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>src + i1, k</span><span class=cF7>)</span><span class=cF0>) c |= </span><span class=cFE>2</span><span class=cF0>;
<a name="l707"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>src + i1 * </span><span class=cFE>2</span><span class=cF0>, k</span><span class=cF7>)</span><span class=cF0>) c |= </span><span class=cFE>4</span><span class=cF0>;
<a name="l708"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>src + i1 * </span><span class=cFE>3</span><span class=cF0>, k</span><span class=cF7>)</span><span class=cF0>) c |= </span><span class=cFE>8</span><span class=cF0>;
<a name="l709"></a> </span><span class=cF1>if</span><span class=cF0> (c == bkcolor) c = </span><span class=cF3>TRANSPARENT</span><span class=cF0>;
<a name="l710"></a> *dst++ = c;
<a name="l711"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l712"></a>
<a name="l713"></a> </span><span class=cF1>return</span><span class=cF0> dst;
<a name="l714"></a>}
<a name="l715"></a>
<a name="l716"></a></span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF5>GrBitMap1ToBitMap8</span><span class=cF0>(</span><span class=cF1>U8</span><span class=cF0> *dst, </span><span class=cF1>U8</span><span class=cF0> *src, </span><span class=cF9>I64</span><span class=cF0> src_size, </span><span class=cF9>I64</span><span class=cF0> bkcolor)
<a name="l717"></a>{
<a name="l718"></a> </span><span class=cF9>I64</span><span class=cF0> c, k, i = src_size * </span><span class=cFE>8</span><span class=cF0>;
<a name="l719"></a>
<a name="l720"></a> </span><span class=cF1>for</span><span class=cF0> (k = </span><span class=cFE>0</span><span class=cF0>; k &lt; i; k++)
<a name="l721"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l722"></a> c = </span><span class=cFE>0</span><span class=cF0>;
<a name="l723"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>src, k</span><span class=cF7>)</span><span class=cF0>) c = </span><span class=cF3>COLOR_MONO</span><span class=cF0>;
<a name="l724"></a> </span><span class=cF1>if</span><span class=cF0> (c == bkcolor) c = </span><span class=cF3>TRANSPARENT</span><span class=cF0>;
<a name="l725"></a> *dst++ = c;
<a name="l726"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l727"></a>
<a name="l728"></a> </span><span class=cF1>return</span><span class=cF0> dst;
<a name="l729"></a>}
<a name="l730"></a>
<a name="l731"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>CDC</span><span class=cF0> *</span><span class=cF5>DCExt</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x1, </span><span class=cF9>I64</span><span class=cF0> y1, </span><span class=cF9>I64</span><span class=cF0> x2, </span><span class=cF9>I64</span><span class=cF0> y2, </span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l732"></a>{</span><span class=cF2>//Extract new device context rect from device context.</span><span class=cF0>
<a name="l733"></a> </span><span class=cF9>CDC</span><span class=cF0> *res;
<a name="l734"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l735"></a>
<a name="l736"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &gt; x2)
<a name="l737"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;x1, &amp;x2);
<a name="l738"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &gt; y2)
<a name="l739"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;y1, &amp;y2);
<a name="l740"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l741"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l742"></a> win_task = dc-&gt;win_task;
<a name="l743"></a> x1 += win_task-&gt;pix_left + win_task-&gt;scroll_x;
<a name="l744"></a> y1 += win_task-&gt;pix_top + win_task-&gt;scroll_y;
<a name="l745"></a> x2 += win_task-&gt;pix_left + win_task-&gt;scroll_x;
<a name="l746"></a> y2 += win_task-&gt;pix_top + win_task-&gt;scroll_y;
<a name="l747"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l748"></a> res = </span><span class=cF5>DCNew</span><span class=cF0>(x2 - x1 + </span><span class=cFE>1</span><span class=cF0>, y2 -y1 + </span><span class=cFE>1</span><span class=cF0>, task);
<a name="l749"></a> </span><span class=cF5>DCFill</span><span class=cF0>(res);
<a name="l750"></a> </span><span class=cF5>GrBlot</span><span class=cF0>(res, -x1, -y1, dc);
<a name="l751"></a>
<a name="l752"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l753"></a>}
<a name="l754"></a>
<a name="l755"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>CDC</span><span class=cF0> *</span><span class=cF5>DCDiff</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *base, </span><span class=cF9>CDC</span><span class=cF0> *update)
<a name="l756"></a>{</span><span class=cF2>//Trim to win of what has chged.</span><span class=cF0>
<a name="l757"></a> </span><span class=cF9>I64</span><span class=cF0> i, x1 = </span><span class=cFE>0</span><span class=cF0>, y1 = </span><span class=cFE>0</span><span class=cF0>, x2 = update-&gt;width - </span><span class=cFE>1</span><span class=cF0>, y2 = update-&gt;height - </span><span class=cFE>1</span><span class=cF0>; </span><span class=cF2>//inclusive</span><span class=cF0>
<a name="l758"></a> </span><span class=cF9>U32</span><span class=cF0> *ptr_base, *ptr_update;
<a name="l759"></a> </span><span class=cF9>CDC</span><span class=cF0> *res;
<a name="l760"></a>
<a name="l761"></a> ptr_base = base-&gt;body;
<a name="l762"></a> ptr_update = update-&gt;body;
<a name="l763"></a> </span><span class=cF1>while</span><span class=cF0> (y1 &lt;= y2)
<a name="l764"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l765"></a> i = update-&gt;width &gt;&gt; </span><span class=cFE>2</span><span class=cF0>;
<a name="l766"></a> </span><span class=cF1>while</span><span class=cF0> (i--)
<a name="l767"></a> </span><span class=cF1>if</span><span class=cF0> (*ptr_base++ != *ptr_update++)
<a name="l768"></a> </span><span class=cF1>goto</span><span class=cF0> df_y2;
<a name="l769"></a> i = update-&gt;width &amp; </span><span class=cFE>3</span><span class=cF0>;
<a name="l770"></a> </span><span class=cF1>while</span><span class=cF0> (i--)
<a name="l771"></a> </span><span class=cF1>if</span><span class=cF0> (*ptr_base</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++ != *ptr_update</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l772"></a> </span><span class=cF1>goto</span><span class=cF0> df_y2;
<a name="l773"></a> y1++;
<a name="l774"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l775"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l776"></a>df_y2:
<a name="l777"></a> ptr_base = base-&gt;body + base-&gt;width_internal * base-&gt;height;
<a name="l778"></a> ptr_update = update-&gt;body + update-&gt;width_internal * update-&gt;height;
<a name="l779"></a> </span><span class=cF1>while</span><span class=cF0> (y1 &lt; y2)
<a name="l780"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l781"></a> i = update-&gt;width &gt;&gt; </span><span class=cFE>2</span><span class=cF0>;
<a name="l782"></a> </span><span class=cF1>while</span><span class=cF0> (i--)
<a name="l783"></a> </span><span class=cF1>if</span><span class=cF0> (*--ptr_base != *--ptr_update)
<a name="l784"></a> </span><span class=cF1>goto</span><span class=cF0> df_x1;
<a name="l785"></a> i = update-&gt;width &amp; </span><span class=cFE>3</span><span class=cF0>;
<a name="l786"></a> </span><span class=cF1>while</span><span class=cF0> (i--)
<a name="l787"></a> </span><span class=cF1>if</span><span class=cF0> (*--ptr_base</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> != *--ptr_update</span><span class=cF7>(</span><span class=cF1>U8</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>)
<a name="l788"></a> </span><span class=cF1>goto</span><span class=cF0> df_x1;
<a name="l789"></a> y2--;
<a name="l790"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l791"></a>df_x1:
<a name="l792"></a> </span><span class=cF1>while</span><span class=cF0> (x1 &lt; x2)
<a name="l793"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l794"></a> </span><span class=cF1>for</span><span class=cF0> (i = y1; i &lt;= y2; i++)
<a name="l795"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>GrPeek0</span><span class=cF7>(</span><span class=cF0>base, x1, i</span><span class=cF7>)</span><span class=cF0> != </span><span class=cF5>GrPeek0</span><span class=cF7>(</span><span class=cF0>update, x1, i</span><span class=cF7>)</span><span class=cF0>)
<a name="l796"></a> </span><span class=cF1>goto</span><span class=cF0> df_x2;
<a name="l797"></a> x1++;
<a name="l798"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l799"></a>df_x2:
<a name="l800"></a> </span><span class=cF1>while</span><span class=cF0> (x1 &lt; x2)
<a name="l801"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l802"></a> </span><span class=cF1>for</span><span class=cF0> (i = y1; i &lt;= y2; i++)
<a name="l803"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>GrPeek0</span><span class=cF7>(</span><span class=cF0>base, x2, i</span><span class=cF7>)</span><span class=cF0> != </span><span class=cF5>GrPeek0</span><span class=cF7>(</span><span class=cF0>update, x2, i</span><span class=cF7>)</span><span class=cF0>)
<a name="l804"></a> </span><span class=cF1>goto</span><span class=cF0> df_done;
<a name="l805"></a> x2--;
<a name="l806"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l807"></a>df_done:
<a name="l808"></a> res = </span><span class=cF5>DCExt</span><span class=cF0>(update, x1, y1, x2, y2);
<a name="l809"></a> res-&gt;x0 = x1;
<a name="l810"></a> res-&gt;y0 = y1;
<a name="l811"></a>
<a name="l812"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l813"></a>}
<a name="l814"></a>
<a name="l815"></a>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Graphics/Char;Char/Graphics&quot;</span><span class=cF0>
<a name="l816"></a>
<a name="l817"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrPutChar</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF1>U8</span><span class=cF0> ch)
<a name="l818"></a>{</span><span class=cF2>//2D. Clipping but not transformation.</span><span class=cF0>
<a name="l819"></a> </span><span class=cF1>U8</span><span class=cF0> </span><span class=cF1>reg</span><span class=cF0> *src, </span><span class=cF1>reg</span><span class=cF0> *dst, *font_ptr;
<a name="l820"></a> </span><span class=cF9>I64</span><span class=cF0> i, m, leading_pixels, trailing_pixels, leading_pixel_mask, trailing_pixel_mask,
<a name="l821"></a> j, k1, kk1, w1, h1, w2, h2, </span><span class=cF1>reg</span><span class=cF0> bit_shift, </span><span class=cF1>reg</span><span class=cF0> color_mask, dist;
<a name="l822"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> color, c;
<a name="l823"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l824"></a>
<a name="l825"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l826"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l827"></a> win_task = dc-&gt;win_task;
<a name="l828"></a> x += win_task-&gt;scroll_x;
<a name="l829"></a> y += win_task-&gt;scroll_y;
<a name="l830"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l831"></a>
<a name="l832"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l833"></a> w1 = -x;
<a name="l834"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l835"></a> w1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l836"></a> </span><span class=cF1>if</span><span class=cF0> (y &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l837"></a> h1 = -y;
<a name="l838"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l839"></a> h1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l840"></a> w2 = </span><span class=cF3>FONT_WIDTH</span><span class=cF0>;
<a name="l841"></a> h2 = </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>;
<a name="l842"></a>
<a name="l843"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l844"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l845"></a> x += win_task-&gt;pix_left;
<a name="l846"></a> y += win_task-&gt;pix_top;
<a name="l847"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l848"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l849"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l850"></a> dist = </span><span class=cF5>DistSqrI64</span><span class=cF0>(x + w2 &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, y + h2 &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, dc-&gt;cur_x, dc-&gt;cur_y);
<a name="l851"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l852"></a> dc-&gt;nearest_dist = dist;
<a name="l853"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l854"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l855"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l856"></a> </span><span class=cF1>if</span><span class=cF0> (x + w1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l857"></a> w1 = -x;
<a name="l858"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 &gt; win_task-&gt;pix_right + </span><span class=cFE>1</span><span class=cF0>)
<a name="l859"></a> w2 = win_task-&gt;pix_right + </span><span class=cFE>1</span><span class=cF0> - x;
<a name="l860"></a>
<a name="l861"></a> </span><span class=cF1>if</span><span class=cF0> (y + h1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l862"></a> h1 = -y;
<a name="l863"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 &gt; win_task-&gt;pix_bottom + </span><span class=cFE>1</span><span class=cF0>)
<a name="l864"></a> h2 = win_task-&gt;pix_bottom + </span><span class=cFE>1</span><span class=cF0> - y;
<a name="l865"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l866"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 &gt; dc-&gt;width)
<a name="l867"></a> w2 = dc-&gt;width - x;
<a name="l868"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2&gt;dc-&gt;height)
<a name="l869"></a> h2 = dc-&gt;height - y;
<a name="l870"></a> </span><span class=cF1>if</span><span class=cF0> (w1 &lt; w2 &lt;= </span><span class=cF3>FONT_WIDTH</span><span class=cF0> &amp;&amp; h1 &lt; h2 &lt;= </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>)
<a name="l871"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l872"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l873"></a> {
<a name="l874"></a> </span><span class=cF1>if</span><span class=cF0> (x + w1 &lt; dc-&gt;min_x)
<a name="l875"></a> dc-&gt;min_x = x + w1;
<a name="l876"></a>
<a name="l877"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 - </span><span class=cFE>1</span><span class=cF0> &gt; dc-&gt;max_x)
<a name="l878"></a> dc-&gt;max_x = x + w2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l879"></a>
<a name="l880"></a> </span><span class=cF1>if</span><span class=cF0> (y + h1 &lt; dc-&gt;min_y)
<a name="l881"></a> dc-&gt;min_y = y + h1;
<a name="l882"></a>
<a name="l883"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 - </span><span class=cFE>1</span><span class=cF0> &gt; dc-&gt;max_y)
<a name="l884"></a> dc-&gt;max_y = y + h2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l885"></a> }
<a name="l886"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_DONT_DRAW</span><span class=cF0>)
<a name="l887"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l888"></a> color = dc-&gt;color;
<a name="l889"></a> leading_pixels = -(w1 + x) &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l890"></a> </span><span class=cF1>if</span><span class=cF0> (!leading_pixels)
<a name="l891"></a> leading_pixels = </span><span class=cFE>8</span><span class=cF0>;
<a name="l892"></a> leading_pixel_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xFF</span><span class=cF0> &gt;&gt; leading_pixels];
<a name="l893"></a> bit_shift = -x &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l894"></a> trailing_pixels = (x + w2) &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l895"></a> trailing_pixel_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xFF</span><span class=cF0> &lt;&lt; trailing_pixels &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l896"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels + trailing_pixels &gt; w2 - w1)
<a name="l897"></a> {
<a name="l898"></a> leading_pixel_mask |= trailing_pixel_mask;
<a name="l899"></a> trailing_pixels = </span><span class=cFE>0</span><span class=cF0>;
<a name="l900"></a> }
<a name="l901"></a> font_ptr = &amp;</span><span class=cFB>text</span><span class=cF0>.font(</span><span class=cF1>U8</span><span class=cF0> *)[</span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * ch + h1];
<a name="l902"></a> </span><span class=cF1>if</span><span class=cF0> (color.c0.rop == </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>)
<a name="l903"></a> {
<a name="l904"></a> m = w1 &amp; (</span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>);
<a name="l905"></a>#</span><span class=cF1>assert</span><span class=cF0> </span><span class=cF3>FONT_WIDTH</span><span class=cF0> == </span><span class=cFE>8</span><span class=cF0>
<a name="l906"></a> color =dc-&gt;bkcolor.c0.color;
<a name="l907"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2; i++, m++)
<a name="l908"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l909"></a> k1 = (h1 + y) * dc-&gt;width_internal + x;
<a name="l910"></a> src = font_ptr;
<a name="l911"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l912"></a> {
<a name="l913"></a> c = dc-&gt;body[k1 + i];
<a name="l914"></a> </span><span class=cF1>if</span><span class=cF0> (c != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c != color &amp;&amp; </span><span class=cF5>Bt</span><span class=cF7>(</span><span class=cF0>src, m</span><span class=cF7>)</span><span class=cF0>)
<a name="l915"></a> dc-&gt;collision_count++;
<a name="l916"></a> k1 += dc-&gt;width_internal;
<a name="l917"></a> src++;
<a name="l918"></a> }
<a name="l919"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l920"></a> }
<a name="l921"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l922"></a> {
<a name="l923"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l924"></a> k1 = x + w1;
<a name="l925"></a> kk1 = (h1 + y) * dc-&gt;width_internal + k1;
<a name="l926"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l927"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l928"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l929"></a> {
<a name="l930"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l931"></a> src = font_ptr;
<a name="l932"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l933"></a> src--;
<a name="l934"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l935"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l936"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l937"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l938"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l939"></a> {
<a name="l940"></a> m = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src(</span><span class=cF9>U16</span><span class=cF0> *) &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l941"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l942"></a> (color_mask &amp; m | *dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &amp; ~m) &amp; ~leading_pixel_mask;
<a name="l943"></a> src++;
<a name="l944"></a> dst += dc-&gt;width_internal;
<a name="l945"></a> }
<a name="l946"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l947"></a>
<a name="l948"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l949"></a> </span><span class=cF1>if</span><span class=cF0> (color_mask)
<a name="l950"></a> {
<a name="l951"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l952"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l953"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l954"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src</span><span class=cF7>(</span><span class=cF9>U16</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>]) &amp;
<a name="l955"></a> ~leading_pixel_mask;
<a name="l956"></a> src++;
<a name="l957"></a> dst += dc-&gt;width_internal;
<a name="l958"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l959"></a> }
<a name="l960"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l961"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l962"></a> kk1 += </span><span class=cFE>8</span><span class=cF0>;
<a name="l963"></a> }
<a name="l964"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l965"></a> {
<a name="l966"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l967"></a> src = font_ptr + </span><span class=cFE>1</span><span class=cF0>;
<a name="l968"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l969"></a> src--;
<a name="l970"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l971"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l972"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l973"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l974"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l975"></a> {
<a name="l976"></a> m = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src(</span><span class=cF9>U16</span><span class=cF0> *) &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l977"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l978"></a> (color_mask &amp; m | *dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &amp; ~m) &amp; ~trailing_pixel_mask;
<a name="l979"></a> src++;
<a name="l980"></a> dst += dc-&gt;width_internal;
<a name="l981"></a> }
<a name="l982"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l983"></a>
<a name="l984"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l985"></a> </span><span class=cF1>if</span><span class=cF0> (color_mask)
<a name="l986"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l987"></a> {
<a name="l988"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l989"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src</span><span class=cF7>(</span><span class=cF9>U16</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>]) &amp;
<a name="l990"></a> ~trailing_pixel_mask;
<a name="l991"></a> src++;
<a name="l992"></a> dst += dc-&gt;width_internal;
<a name="l993"></a> }
<a name="l994"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l995"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l996"></a> }
<a name="l997"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l998"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l999"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1000"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1001"></a> {
<a name="l1002"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1003"></a> src = font_ptr;
<a name="l1004"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l1005"></a> src--;
<a name="l1006"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l1007"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1008"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l1009"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l1010"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1011"></a> {
<a name="l1012"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, k1, y + j</span><span class=cF7>)</span><span class=cF0>)
<a name="l1013"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1014"></a> m = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src(</span><span class=cF9>U16</span><span class=cF0> *) &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l1015"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1016"></a> (color_mask &amp; m | *dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &amp; ~m) &amp; ~leading_pixel_mask;
<a name="l1017"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1018"></a> src++;
<a name="l1019"></a> dst += dc-&gt;width_internal;
<a name="l1020"></a> }
<a name="l1021"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1022"></a>
<a name="l1023"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l1024"></a> </span><span class=cF1>if</span><span class=cF0> (color_mask)
<a name="l1025"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1026"></a> {
<a name="l1027"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, k1, y + j</span><span class=cF7>)</span><span class=cF0>)
<a name="l1028"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1029"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src</span><span class=cF7>(</span><span class=cF9>U16</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>]) &amp;
<a name="l1030"></a> ~leading_pixel_mask;
<a name="l1031"></a> src++;
<a name="l1032"></a> dst += dc-&gt;width_internal;
<a name="l1033"></a> }
<a name="l1034"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1035"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1036"></a> k1 += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1037"></a> kk1 += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1038"></a> }
<a name="l1039"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1040"></a> {
<a name="l1041"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1042"></a> src = font_ptr + </span><span class=cFE>1</span><span class=cF0>;
<a name="l1043"></a> </span><span class=cF1>if</span><span class=cF0> (bit_shift)
<a name="l1044"></a> src--;
<a name="l1045"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l1046"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1047"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l1048"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l1049"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1050"></a> {
<a name="l1051"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, k1, y + j</span><span class=cF7>)</span><span class=cF0>)
<a name="l1052"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1053"></a> m = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src(</span><span class=cF9>U16</span><span class=cF0> *) &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l1054"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1055"></a> (color_mask &amp; m | *dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &amp; ~m) &amp; ~trailing_pixel_mask;
<a name="l1056"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1057"></a> src++;
<a name="l1058"></a> dst += dc-&gt;width_internal;
<a name="l1059"></a> }
<a name="l1060"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1061"></a>
<a name="l1062"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l1063"></a> </span><span class=cF1>if</span><span class=cF0> (color_mask)
<a name="l1064"></a> </span><span class=cF1>for</span><span class=cF0> (j =h1; j &lt; h2; j++)
<a name="l1065"></a> {
<a name="l1066"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, k1, y + j</span><span class=cF7>)</span><span class=cF0>)
<a name="l1067"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1068"></a> (*dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> ^ </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[*src</span><span class=cF7>(</span><span class=cF9>U16</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> &gt;&gt; bit_shift &amp; </span><span class=cFE>0xFF</span><span class=cF0>]) &amp;
<a name="l1069"></a> ~trailing_pixel_mask;
<a name="l1070"></a> src++;
<a name="l1071"></a> dst += dc-&gt;width_internal;
<a name="l1072"></a> }
<a name="l1073"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1074"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1075"></a> }
<a name="l1076"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1077"></a> }
<a name="l1078"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>1</span><span class=cF0>;
<a name="l1079"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1080"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1081"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l1082"></a>}
<a name="l1083"></a>
<a name="l1084"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrPutS</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF1>U8</span><span class=cF0> *_s)
<a name="l1085"></a>{</span><span class=cF2>//Use </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Gr/GrBitMap.CC.html#l1194"><span class=cF4>GrPrint</span></a><span class=cF2>()</span><span class=cF0>
<a name="l1086"></a> </span><span class=cF9>I64</span><span class=cF0> x0, sx = </span><span class=cFE>0</span><span class=cF0>, sy = </span><span class=cFE>0</span><span class=cF0>, res;
<a name="l1087"></a>
<a name="l1088"></a> </span><span class=cF1>if</span><span class=cF0> (!_s)
<a name="l1089"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l1090"></a> x0 = x;
<a name="l1091"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1092"></a> </span><span class=cF1>while</span><span class=cF0> (*_s)
<a name="l1093"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1094"></a> </span><span class=cF1>if</span><span class=cF0> (*_s == </span><span class=cF6>'\n'</span><span class=cF0>)
<a name="l1095"></a> {
<a name="l1096"></a> x = x0;
<a name="l1097"></a> y += </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>;
<a name="l1098"></a> _s++;
<a name="l1099"></a> }
<a name="l1100"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (*_s == </span><span class=cF6>'\t'</span><span class=cF0>)
<a name="l1101"></a> {
<a name="l1102"></a> x = x0 + </span><span class=cF5>CeilU64</span><span class=cF0>(x - x0 + </span><span class=cF3>FONT_WIDTH</span><span class=cF0>, </span><span class=cFE>8</span><span class=cF0> * </span><span class=cF3>FONT_WIDTH</span><span class=cF0>);
<a name="l1103"></a> _s++;
<a name="l1104"></a> }
<a name="l1105"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (*_s</span><span class=cF7>(</span><span class=cF9>U32</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF6>'$SY,'</span><span class=cF0>)
<a name="l1106"></a> {
<a name="l1107"></a> </span><span class=cF1>if</span><span class=cF0> (_s[</span><span class=cFE>4</span><span class=cF0>] == </span><span class=cF6>'-'</span><span class=cF0>)
<a name="l1108"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1109"></a> _s++;
<a name="l1110"></a> sy = </span><span class=cF6>'0'</span><span class=cF0> - _s[</span><span class=cFE>4</span><span class=cF0>];
<a name="l1111"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1112"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1113"></a> sy = _s[</span><span class=cFE>4</span><span class=cF0>] - </span><span class=cF6>'0'</span><span class=cF0>;
<a name="l1114"></a> _s += </span><span class=cFE>6</span><span class=cF0>;
<a name="l1115"></a> }
<a name="l1116"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (*_s</span><span class=cF7>(</span><span class=cF9>U32</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF6>'$SX,'</span><span class=cF0>)
<a name="l1117"></a> {
<a name="l1118"></a> </span><span class=cF1>if</span><span class=cF0> (_s[</span><span class=cFE>4</span><span class=cF0>] == </span><span class=cF6>'-'</span><span class=cF0>)
<a name="l1119"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1120"></a> _s++;
<a name="l1121"></a> sx = </span><span class=cF6>'0'</span><span class=cF0> - _s[</span><span class=cFE>4</span><span class=cF0>];
<a name="l1122"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1123"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1124"></a> sx = _s[</span><span class=cFE>4</span><span class=cF0>] - </span><span class=cF6>'0'</span><span class=cF0>;
<a name="l1125"></a> _s += </span><span class=cFE>6</span><span class=cF0>;
<a name="l1126"></a> }
<a name="l1127"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1128"></a> {
<a name="l1129"></a> res += </span><span class=cF5>GrPutChar</span><span class=cF0>(dc, x + sx, y + sy, *_s);
<a name="l1130"></a> x += </span><span class=cF3>FONT_WIDTH</span><span class=cF0>;
<a name="l1131"></a> _s++;
<a name="l1132"></a> }
<a name="l1133"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1134"></a>
<a name="l1135"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l1136"></a>}
<a name="l1137"></a>
<a name="l1138"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrVPutS</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF1>U8</span><span class=cF0> *_s)
<a name="l1139"></a>{</span><span class=cF2>//Vertical Text. Use </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Gr/GrBitMap.CC.html#l1205"><span class=cF4>GrVPrint</span></a><span class=cF2>()</span><span class=cF0>
<a name="l1140"></a> </span><span class=cF9>I64</span><span class=cF0> y0, sx = </span><span class=cFE>0</span><span class=cF0>, sy = </span><span class=cFE>0</span><span class=cF0>, res;
<a name="l1141"></a> </span><span class=cF1>U8</span><span class=cF0> buf[</span><span class=cFE>2</span><span class=cF0>];
<a name="l1142"></a>
<a name="l1143"></a> </span><span class=cF1>if</span><span class=cF0> (!_s)
<a name="l1144"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l1145"></a> y0 = y;
<a name="l1146"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1147"></a> buf[</span><span class=cFE>1</span><span class=cF0>] = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1148"></a> </span><span class=cF1>while</span><span class=cF0> (*_s)
<a name="l1149"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1150"></a> </span><span class=cF1>if</span><span class=cF0> (*_s == </span><span class=cF6>'\n'</span><span class=cF0>)
<a name="l1151"></a> {
<a name="l1152"></a> y = y0;
<a name="l1153"></a> x += </span><span class=cF3>FONT_WIDTH</span><span class=cF0>;
<a name="l1154"></a> _s++;
<a name="l1155"></a> }
<a name="l1156"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (*_s == </span><span class=cF6>'\t'</span><span class=cF0>)
<a name="l1157"></a> {
<a name="l1158"></a> y = y0 + </span><span class=cF5>CeilU64</span><span class=cF0>(y - y0 + </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>, </span><span class=cFE>8</span><span class=cF0> * </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>);
<a name="l1159"></a> _s++;
<a name="l1160"></a> }
<a name="l1161"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (*_s</span><span class=cF7>(</span><span class=cF9>U32</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF6>'$SY,'</span><span class=cF0>)
<a name="l1162"></a> {
<a name="l1163"></a> </span><span class=cF1>if</span><span class=cF0> (_s[</span><span class=cFE>4</span><span class=cF0>] == </span><span class=cF6>'-'</span><span class=cF0>)
<a name="l1164"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1165"></a> _s++;
<a name="l1166"></a> sx = </span><span class=cF6>'0'</span><span class=cF0> - _s[</span><span class=cFE>4</span><span class=cF0>];
<a name="l1167"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1168"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1169"></a> sx = _s[</span><span class=cFE>4</span><span class=cF0>] - </span><span class=cF6>'0'</span><span class=cF0>;
<a name="l1170"></a> _s += </span><span class=cFE>6</span><span class=cF0>;
<a name="l1171"></a> }
<a name="l1172"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (*_s</span><span class=cF7>(</span><span class=cF9>U32</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF6>'$SX,'</span><span class=cF0>)
<a name="l1173"></a> {
<a name="l1174"></a> </span><span class=cF1>if</span><span class=cF0> (_s[</span><span class=cFE>4</span><span class=cF0>] == </span><span class=cF6>'-'</span><span class=cF0>)
<a name="l1175"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1176"></a> _s++;
<a name="l1177"></a> sy = </span><span class=cF6>'0'</span><span class=cF0> - _s[</span><span class=cFE>4</span><span class=cF0>];
<a name="l1178"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1179"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1180"></a> sy = _s[</span><span class=cFE>4</span><span class=cF0>] - </span><span class=cF6>'0'</span><span class=cF0>;
<a name="l1181"></a> _s += </span><span class=cFE>6</span><span class=cF0>;
<a name="l1182"></a> }
<a name="l1183"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1184"></a> {
<a name="l1185"></a> *buf = *_s++;
<a name="l1186"></a> res += </span><span class=cF5>GrPutS</span><span class=cF0>(dc, x, y, buf);
<a name="l1187"></a> y += </span><span class=cF3>FONT_HEIGHT</span><span class=cF0>;
<a name="l1188"></a> }
<a name="l1189"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1190"></a>
<a name="l1191"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l1192"></a>}
<a name="l1193"></a>
<a name="l1194"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrPrint</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF1>U8</span><span class=cF0> *format, ...)
<a name="l1195"></a>{</span><span class=cF2>//2D. Clipping but not transformation.</span><span class=cF0>
<a name="l1196"></a> </span><span class=cF9>I64</span><span class=cF0> res;
<a name="l1197"></a> </span><span class=cF1>U8</span><span class=cF0> *buf = </span><span class=cF5>StrPrintJoin</span><span class=cF0>(</span><span class=cF3>NULL</span><span class=cF0>, format, argc, argv);
<a name="l1198"></a>
<a name="l1199"></a> res = </span><span class=cF5>GrPutS</span><span class=cF0>(dc, x, y, buf);
<a name="l1200"></a> </span><span class=cF5>Free</span><span class=cF0>(buf);
<a name="l1201"></a>
<a name="l1202"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l1203"></a>}
<a name="l1204"></a>
<a name="l1205"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrVPrint</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF1>U8</span><span class=cF0> *format, ...)
<a name="l1206"></a>{</span><span class=cF2>//2D. Vertical text. Clipping but not transformation.</span><span class=cF0>
<a name="l1207"></a> </span><span class=cF9>I64</span><span class=cF0> res;
<a name="l1208"></a> </span><span class=cF1>U8</span><span class=cF0> *buf = </span><span class=cF5>StrPrintJoin</span><span class=cF0>(</span><span class=cF3>NULL</span><span class=cF0>, format, argc, argv);
<a name="l1209"></a>
<a name="l1210"></a> res = </span><span class=cF5>GrVPutS</span><span class=cF0>(dc, x, y, buf);
<a name="l1211"></a> </span><span class=cF5>Free</span><span class=cF0>(buf);
<a name="l1212"></a>
<a name="l1213"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l1214"></a>}
<a name="l1215"></a>
<a name="l1216"></a>#</span><span class=cF1>help_index</span><span class=cF0> </span><span class=cF6>&quot;Graphics&quot;</span><span class=cF0>
<a name="l1217"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrRect</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF9>I64</span><span class=cF0> w, </span><span class=cF9>I64</span><span class=cF0> h)
<a name="l1218"></a>{</span><span class=cF2>//2D. Width Height. Clipping but not transformation.</span><span class=cF0>
<a name="l1219"></a></span><span class=cF2>//Returns count of pixs changed.</span><span class=cF0>
<a name="l1220"></a> </span><span class=cF9>I64</span><span class=cF0> i, res = </span><span class=cFE>0</span><span class=cF0>, j, k1, kk1, w1, h1, w2, h2, dist,
<a name="l1221"></a> leading_pixels, original_leading_pixels, whole_I64s,
<a name="l1222"></a> trailing_pixels, leading_pixel_mask, trailing_pixel_mask,
<a name="l1223"></a> win_z_buf_line_inc, win_z_buf_line_dec, win_z_num, color_mask;
<a name="l1224"></a> </span><span class=cF1>U8</span><span class=cF0> </span><span class=cF1>reg</span><span class=cF0> *dst;
<a name="l1225"></a> </span><span class=cF9>U16</span><span class=cF0> </span><span class=cF1>reg</span><span class=cF0> *win_z_buf_ptr;
<a name="l1226"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> color, c, dither_colors;
<a name="l1227"></a> </span><span class=cF1>Bool</span><span class=cF0> dither, probability_dither, was_timer_rand = </span><span class=cF5>Bts</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>);
<a name="l1228"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l1229"></a>
<a name="l1230"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1231"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1232"></a> win_task = dc-&gt;win_task;
<a name="l1233"></a> x += win_task-&gt;scroll_x;
<a name="l1234"></a> y += win_task-&gt;scroll_y;
<a name="l1235"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1236"></a>
<a name="l1237"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1238"></a> w1 = -x;
<a name="l1239"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1240"></a> w1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1241"></a> </span><span class=cF1>if</span><span class=cF0> (y &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1242"></a> h1 = -y;
<a name="l1243"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1244"></a> h1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1245"></a> w2 = w;
<a name="l1246"></a> h2 = h;
<a name="l1247"></a>
<a name="l1248"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1249"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1250"></a> x += win_task-&gt;pix_left;
<a name="l1251"></a> y += win_task-&gt;pix_top;
<a name="l1252"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1253"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l1254"></a> </span><span class=cF7>{</span><span class=cF2>//TODO:Untested</span><span class=cF0>
<a name="l1255"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt;= dc-&gt;cur_x &lt;= x + w &amp;&amp; y &lt;= dc-&gt;cur_y &lt;= y + h)
<a name="l1256"></a> dist = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1257"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1258"></a> dist = </span><span class=cF5>DistSqrI64</span><span class=cF0>(x + w &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, y + h &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, dc-&gt;cur_x, dc-&gt;cur_y);
<a name="l1259"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l1260"></a> dc-&gt;nearest_dist = dist;
<a name="l1261"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1262"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1263"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1264"></a> </span><span class=cF1>if</span><span class=cF0> (x + w1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1265"></a> w1 = -x;
<a name="l1266"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 &gt; win_task-&gt;pix_right + </span><span class=cFE>1</span><span class=cF0>)
<a name="l1267"></a> w2 = win_task-&gt;pix_right + </span><span class=cFE>1</span><span class=cF0> - x;
<a name="l1268"></a>
<a name="l1269"></a> </span><span class=cF1>if</span><span class=cF0> (y + h1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1270"></a> h1 = -y;
<a name="l1271"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 &gt; win_task-&gt;pix_bottom + </span><span class=cFE>1</span><span class=cF0>)
<a name="l1272"></a> h2 = win_task-&gt;pix_bottom + </span><span class=cFE>1</span><span class=cF0> - y;
<a name="l1273"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1274"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 &gt; dc-&gt;width)
<a name="l1275"></a> w2 = dc-&gt;width - x;
<a name="l1276"></a>
<a name="l1277"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 &gt; dc-&gt;height)
<a name="l1278"></a> h2 = dc-&gt;height - y;
<a name="l1279"></a>
<a name="l1280"></a> </span><span class=cF1>if</span><span class=cF0> (w1 &lt; w2 &lt;= w &amp;&amp; h1 &lt; h2 &lt;= h)
<a name="l1281"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1282"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l1283"></a> {
<a name="l1284"></a> </span><span class=cF1>if</span><span class=cF0> (x + w1 &lt; dc-&gt;min_x)
<a name="l1285"></a> dc-&gt;min_x = x + w1;
<a name="l1286"></a>
<a name="l1287"></a> </span><span class=cF1>if</span><span class=cF0> (x + w2 - </span><span class=cFE>1</span><span class=cF0> &gt; dc-&gt;max_x)
<a name="l1288"></a> dc-&gt;max_x = x + w2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l1289"></a>
<a name="l1290"></a> </span><span class=cF1>if</span><span class=cF0> (y + h1 &lt; dc-&gt;min_y)
<a name="l1291"></a> dc-&gt;min_y = y + h1;
<a name="l1292"></a>
<a name="l1293"></a> </span><span class=cF1>if</span><span class=cF0> (y + h2 - </span><span class=cFE>1</span><span class=cF0> &gt; dc-&gt;max_y)
<a name="l1294"></a> dc-&gt;max_y = y + h2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l1295"></a> }
<a name="l1296"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_DONT_DRAW</span><span class=cF0>)
<a name="l1297"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1298"></a> color = dc-&gt;color;
<a name="l1299"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF7>(</span><span class=cF3>ROPBF_DITHER</span><span class=cF0> | </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF7>)</span><span class=cF0>)
<a name="l1300"></a> {
<a name="l1301"></a> dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1302"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF0>)
<a name="l1303"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1304"></a> probability_dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1305"></a> color.c1.rop = color.c0.rop;
<a name="l1306"></a> dither_colors = color;
<a name="l1307"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1308"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1309"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1310"></a> probability_dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l1311"></a> color.c1.rop = color.c0.rop;
<a name="l1312"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1313"></a> }
<a name="l1314"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1315"></a> dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l1316"></a> original_leading_pixels = leading_pixels = -(w1 + x) &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l1317"></a> leading_pixel_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xFF</span><span class=cF0> &gt;&gt; leading_pixels];
<a name="l1318"></a> whole_I64s = (w2 - w1 - leading_pixels) &gt;&gt; </span><span class=cFE>3</span><span class=cF0>;
<a name="l1319"></a> </span><span class=cF1>if</span><span class=cF0> (whole_I64s &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1320"></a> whole_I64s = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1321"></a> trailing_pixels = (x + w2) &amp; </span><span class=cFE>7</span><span class=cF0>;
<a name="l1322"></a> trailing_pixel_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xFF</span><span class=cF0> &lt;&lt; trailing_pixels &amp; </span><span class=cFE>0xFF</span><span class=cF0>];
<a name="l1323"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels + trailing_pixels &gt; w2 - w1)
<a name="l1324"></a> {
<a name="l1325"></a> leading_pixel_mask |= trailing_pixel_mask;
<a name="l1326"></a> leading_pixels = w2 - w1; </span><span class=cF2>//Correct so it's right for res.</span><span class=cF0>
<a name="l1327"></a> trailing_pixels = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1328"></a> }
<a name="l1329"></a> </span><span class=cF1>if</span><span class=cF0> (color.c0.rop == </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>)
<a name="l1330"></a> {</span><span class=cF2>//TODO: Might want to check win_z_buf</span><span class=cF0>
<a name="l1331"></a> color = dc-&gt;bkcolor.c0.color;
<a name="l1332"></a> k1 = (h1 + y) * dc-&gt;width_internal + x;
<a name="l1333"></a> res = -dc-&gt;collision_count;
<a name="l1334"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1335"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1336"></a> </span><span class=cF1>for</span><span class=cF0> (i = w1; i &lt; w2; i++)
<a name="l1337"></a> {
<a name="l1338"></a> c = dc-&gt;body[k1 + i];
<a name="l1339"></a> </span><span class=cF1>if</span><span class=cF0> (c != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c != color)
<a name="l1340"></a> dc-&gt;collision_count++;
<a name="l1341"></a> }
<a name="l1342"></a> k1 += dc-&gt;width_internal;
<a name="l1343"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1344"></a> res += dc-&gt;collision_count;
<a name="l1345"></a> }
<a name="l1346"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1347"></a> {
<a name="l1348"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> || dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0>)
<a name="l1349"></a> win_z_buf_ptr = </span><span class=cF3>NULL</span><span class=cF0>;
<a name="l1350"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1351"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1352"></a> win_z_num = win_task-&gt;win_z_num;
<a name="l1353"></a> win_z_buf_ptr = </span><span class=cFB>gr</span><span class=cF0>.win_z_buf(</span><span class=cF1>U8</span><span class=cF0> *) +
<a name="l1354"></a> (</span><span class=cF7>(</span><span class=cF0>h1 + y</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_HEIGHT</span><span class=cF0> * </span><span class=cF3>TEXT_COLS</span><span class=cF0> + </span><span class=cF7>(</span><span class=cF0>w1 + x</span><span class=cF7>)</span><span class=cF0> / </span><span class=cF3>FONT_WIDTH</span><span class=cF0>) * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l1355"></a> win_z_buf_line_dec = whole_I64s;
<a name="l1356"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1357"></a> win_z_buf_line_dec++;
<a name="l1358"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1359"></a> win_z_buf_line_dec++;
<a name="l1360"></a> win_z_buf_line_dec *= </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>);
<a name="l1361"></a> win_z_buf_line_inc = </span><span class=cF3>TEXT_COLS</span><span class=cF0> * </span><span class=cF1>sizeof</span><span class=cF0>(</span><span class=cF9>U16</span><span class=cF0>) - win_z_buf_line_dec;
<a name="l1362"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1363"></a> kk1 = (h1 + y) * dc-&gt;width_internal + x + w1;
<a name="l1364"></a> </span><span class=cF1>if</span><span class=cF0> (dither)
<a name="l1365"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1366"></a> </span><span class=cF1>if</span><span class=cF0> (probability_dither)
<a name="l1367"></a> {
<a name="l1368"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l1369"></a> color.c0 = dither_colors.c1;
<a name="l1370"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1371"></a> color.c0 = dither_colors.c0;
<a name="l1372"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l1373"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1374"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l1375"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l1376"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l1377"></a> {
<a name="l1378"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1379"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1380"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1381"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l1382"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1383"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1384"></a> {
<a name="l1385"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1386"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1387"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask | color_mask &amp; ~leading_pixel_mask;
<a name="l1388"></a> res += leading_pixels;
<a name="l1389"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1390"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l1391"></a> }
<a name="l1392"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1393"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1394"></a> {
<a name="l1395"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = color_mask;
<a name="l1396"></a> res += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1397"></a> }
<a name="l1398"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1399"></a> {
<a name="l1400"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask | color_mask &amp; ~trailing_pixel_mask;
<a name="l1401"></a> res += trailing_pixels;
<a name="l1402"></a> }
<a name="l1403"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l1404"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l1405"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1406"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l1407"></a> kk1 += dc-&gt;width_internal;
<a name="l1408"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l1409"></a> color.c0 = dither_colors.c1;
<a name="l1410"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1411"></a> color.c0 = dither_colors.c0;
<a name="l1412"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1413"></a> }
<a name="l1414"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1415"></a> {
<a name="l1416"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1417"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1418"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l1419"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1420"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1421"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask | color_mask &amp; ~leading_pixel_mask;
<a name="l1422"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1423"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = color_mask;
<a name="l1424"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1425"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask | color_mask &amp; ~trailing_pixel_mask;
<a name="l1426"></a> kk1 += dc-&gt;width_internal;
<a name="l1427"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l1428"></a> color.c0 = dither_colors.c1;
<a name="l1429"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1430"></a> color.c0 = dither_colors.c0;
<a name="l1431"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1432"></a> res = (h2 - h1) * (w2 - w1);
<a name="l1433"></a> }
<a name="l1434"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l1435"></a>
<a name="l1436"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1437"></a>
<a name="l1438"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l1439"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l1440"></a> {
<a name="l1441"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1442"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1443"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1444"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l1445"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1446"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1447"></a> {
<a name="l1448"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1449"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1450"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1451"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~leading_pixel_mask;
<a name="l1452"></a> res += leading_pixels;
<a name="l1453"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1454"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l1455"></a> }
<a name="l1456"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1457"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1458"></a> {
<a name="l1459"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^= color_mask;
<a name="l1460"></a> res += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1461"></a> }
<a name="l1462"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1463"></a> {
<a name="l1464"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1465"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~trailing_pixel_mask;
<a name="l1466"></a> res += trailing_pixels;
<a name="l1467"></a> }
<a name="l1468"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l1469"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l1470"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1471"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l1472"></a> kk1 += dc-&gt;width_internal;
<a name="l1473"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l1474"></a> color.c0 = dither_colors.c1;
<a name="l1475"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1476"></a> color.c0 = dither_colors.c0;
<a name="l1477"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1478"></a> }
<a name="l1479"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1480"></a> {
<a name="l1481"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1482"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1483"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l1484"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1485"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1486"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1487"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~leading_pixel_mask;
<a name="l1488"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1489"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^= color_mask;
<a name="l1490"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1491"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1492"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~trailing_pixel_mask;
<a name="l1493"></a> kk1 += dc-&gt;width_internal;
<a name="l1494"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l1495"></a> color.c0 = dither_colors.c1;
<a name="l1496"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1497"></a> color.c0 = dither_colors.c0;
<a name="l1498"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1499"></a> res = (h2 - h1) * (w2 - w1);
<a name="l1500"></a> }
<a name="l1501"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l1502"></a>
<a name="l1503"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1504"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1505"></a> }
<a name="l1506"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1507"></a> {
<a name="l1508"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l1509"></a>
<a name="l1510"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>(x + w1 - original_leading_pixels) ^ (y + h1)</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l1511"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l1512"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l1513"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1514"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l1515"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l1516"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l1517"></a> {
<a name="l1518"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1519"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1520"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1521"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0x55</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color] |
<a name="l1522"></a> </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xAA</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c1.color];
<a name="l1523"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1524"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1525"></a> {
<a name="l1526"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1527"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1528"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask | color_mask &amp; ~leading_pixel_mask;
<a name="l1529"></a> res += leading_pixels;
<a name="l1530"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1531"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l1532"></a> }
<a name="l1533"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1534"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1535"></a> {
<a name="l1536"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = color_mask;
<a name="l1537"></a> res += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1538"></a> }
<a name="l1539"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1540"></a> {
<a name="l1541"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask | color_mask &amp; ~trailing_pixel_mask;
<a name="l1542"></a> res += trailing_pixels;
<a name="l1543"></a> }
<a name="l1544"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l1545"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l1546"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1547"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l1548"></a> kk1 += dc-&gt;width_internal;
<a name="l1549"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l1550"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1551"></a> }
<a name="l1552"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1553"></a> {
<a name="l1554"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1555"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1556"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0x55</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color] |
<a name="l1557"></a> </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xAA</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c1.color];
<a name="l1558"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1559"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1560"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask | color_mask &amp; ~leading_pixel_mask;
<a name="l1561"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1562"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = color_mask;
<a name="l1563"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1564"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask | color_mask &amp; ~trailing_pixel_mask;
<a name="l1565"></a> kk1 += dc-&gt;width_internal;
<a name="l1566"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l1567"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1568"></a> res = (h2 - h1) * (w2 - w1);
<a name="l1569"></a> }
<a name="l1570"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1571"></a>
<a name="l1572"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l1573"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l1574"></a> {
<a name="l1575"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1576"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1577"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1578"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0x55</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color] |
<a name="l1579"></a> </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xAA</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c1.color];
<a name="l1580"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1581"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1582"></a> {
<a name="l1583"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1584"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1585"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1586"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~leading_pixel_mask;
<a name="l1587"></a> res += leading_pixels;
<a name="l1588"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1589"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l1590"></a> }
<a name="l1591"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1592"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1593"></a> {
<a name="l1594"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^= color_mask;
<a name="l1595"></a> res += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1596"></a> }
<a name="l1597"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1598"></a> {
<a name="l1599"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1600"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~trailing_pixel_mask;
<a name="l1601"></a> res += trailing_pixels;
<a name="l1602"></a> }
<a name="l1603"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l1604"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l1605"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1606"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l1607"></a> kk1 += dc-&gt;width_internal;
<a name="l1608"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l1609"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1610"></a> }
<a name="l1611"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1612"></a> {
<a name="l1613"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1614"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1615"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0x55</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color] |
<a name="l1616"></a> </span><span class=cFB>gr</span><span class=cF0>.to_8_bits[</span><span class=cFE>0xAA</span><span class=cF0>] &amp; </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c1.color];
<a name="l1617"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1618"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1619"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1620"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~leading_pixel_mask;
<a name="l1621"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1622"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^= color_mask;
<a name="l1623"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1624"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1625"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~trailing_pixel_mask;
<a name="l1626"></a> kk1 += dc-&gt;width_internal;
<a name="l1627"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l1628"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1629"></a> res = (h2 - h1) * (w2 - w1);
<a name="l1630"></a> }
<a name="l1631"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1632"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1633"></a> }
<a name="l1634"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1635"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1636"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1637"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l1638"></a>
<a name="l1639"></a> color_mask = </span><span class=cFB>gr</span><span class=cF0>.to_8_colors[color.c0.color];
<a name="l1640"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l1641"></a> {
<a name="l1642"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l1643"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l1644"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l1645"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1646"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1647"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1648"></a> {
<a name="l1649"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1650"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1651"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1652"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1653"></a> {
<a name="l1654"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask | color_mask &amp; ~leading_pixel_mask;
<a name="l1655"></a> res += leading_pixels;
<a name="l1656"></a> }
<a name="l1657"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l1658"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1659"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1660"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1661"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1662"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = color_mask;
<a name="l1663"></a> res += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1664"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1665"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1666"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1667"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask | color_mask &amp; ~trailing_pixel_mask;
<a name="l1668"></a> res += trailing_pixels;
<a name="l1669"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1670"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l1671"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l1672"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1673"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l1674"></a> kk1 += dc-&gt;width_internal;
<a name="l1675"></a> }
<a name="l1676"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1677"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1678"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1679"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1680"></a> {
<a name="l1681"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *) = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1682"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1683"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask | color_mask &amp; ~leading_pixel_mask;
<a name="l1684"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1685"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = color_mask;
<a name="l1686"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1687"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask | color_mask &amp; ~trailing_pixel_mask;
<a name="l1688"></a> kk1 += dc-&gt;width_internal;
<a name="l1689"></a> }
<a name="l1690"></a> res = (h2 - h1) * (w2 - w1);
<a name="l1691"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1692"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1693"></a>
<a name="l1694"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l1695"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_buf_ptr)
<a name="l1696"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1697"></a> res = </span><span class=cFE>0</span><span class=cF0>;
<a name="l1698"></a> </span><span class=cF1>for</span><span class=cF0> (j = h1; j &lt; h2; j++)
<a name="l1699"></a> {
<a name="l1700"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1701"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1702"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1703"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1704"></a> {
<a name="l1705"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1706"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~leading_pixel_mask;
<a name="l1707"></a> res += leading_pixels;
<a name="l1708"></a> }
<a name="l1709"></a> dst(</span><span class=cF9>I64</span><span class=cF0> *)++;
<a name="l1710"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1711"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1712"></a> </span><span class=cF1>if</span><span class=cF0> (win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1713"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1714"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^= color_mask;
<a name="l1715"></a> res += </span><span class=cFE>8</span><span class=cF0>;
<a name="l1716"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1717"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels &amp;&amp; win_z_num &gt;= *win_z_buf_ptr++)
<a name="l1718"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1719"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1720"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~trailing_pixel_mask;
<a name="l1721"></a> res += trailing_pixels;
<a name="l1722"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1723"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>j + y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>7</span><span class=cF0> == </span><span class=cFE>7</span><span class=cF0>)
<a name="l1724"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) += win_z_buf_line_inc;
<a name="l1725"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1726"></a> win_z_buf_ptr(</span><span class=cF1>U8</span><span class=cF0> *) -= win_z_buf_line_dec;
<a name="l1727"></a> kk1 += dc-&gt;width_internal;
<a name="l1728"></a> }
<a name="l1729"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1730"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1731"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1732"></a> </span><span class=cF1>for</span><span class=cF0> (j = h2 - h1; j; j--)
<a name="l1733"></a> {
<a name="l1734"></a> dst = dc-&gt;body + kk1 &amp; ~</span><span class=cFE>7</span><span class=cF0>;
<a name="l1735"></a> </span><span class=cF1>if</span><span class=cF0> (leading_pixels)
<a name="l1736"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *)++ = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; leading_pixel_mask |
<a name="l1737"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~leading_pixel_mask;
<a name="l1738"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; whole_I64s; i++, dst</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF0> *</span><span class=cF7>)</span><span class=cF0>++)
<a name="l1739"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^= color_mask;
<a name="l1740"></a> </span><span class=cF1>if</span><span class=cF0> (trailing_pixels)
<a name="l1741"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) = *dst(</span><span class=cF9>I64</span><span class=cF0> *) &amp; trailing_pixel_mask |
<a name="l1742"></a> *dst(</span><span class=cF9>I64</span><span class=cF0> *) ^ color_mask &amp; ~trailing_pixel_mask;
<a name="l1743"></a> kk1 += dc-&gt;width_internal;
<a name="l1744"></a> }
<a name="l1745"></a> res = (h2 - h1) * (w2 - w1);
<a name="l1746"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1747"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1748"></a> }
<a name="l1749"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1750"></a> }
<a name="l1751"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1752"></a>
<a name="l1753"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l1754"></a>}
<a name="l1755"></a>
<a name="l1756"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrRayLenMinus</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y)
<a name="l1757"></a>{</span><span class=cF2>//Returns count of pixs changed</span><span class=cF0>
<a name="l1758"></a> </span><span class=cF9>I64</span><span class=cF0> res = </span><span class=cFE>0</span><span class=cF0>, c, x3, y3, d;
<a name="l1759"></a> </span><span class=cF1>U8</span><span class=cF0> *dst, *dst2;
<a name="l1760"></a> </span><span class=cF1>Bool</span><span class=cF0> not_color = </span><span class=cF5>ToBool</span><span class=cF0>(dc-&gt;flags &amp; </span><span class=cF3>DCF_FILL_NOT_COLOR</span><span class=cF0>);
<a name="l1761"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l1762"></a>
<a name="l1763"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1764"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1765"></a> win_task = dc-&gt;win_task;
<a name="l1766"></a> x += win_task-&gt;scroll_x;
<a name="l1767"></a> y += win_task-&gt;scroll_y;
<a name="l1768"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1769"></a> x3 = x;
<a name="l1770"></a> y3 = y;
<a name="l1771"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; </span><span class=cFE>0</span><span class=cF0> || y3 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1772"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l1773"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1774"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1775"></a> x3 += win_task-&gt;pix_left;
<a name="l1776"></a> y3 += win_task-&gt;pix_top;
<a name="l1777"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt;= win_task-&gt;pix_right</span><span class=cF7>)</span><span class=cF0> ||
<a name="l1778"></a> !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= y3 &lt;= win_task-&gt;pix_bottom</span><span class=cF7>)</span><span class=cF0> ||
<a name="l1779"></a> !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF7>)</span><span class=cF0> &amp;&amp; </span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x3, y3</span><span class=cF7>)</span><span class=cF0>)
<a name="l1780"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l1781"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1782"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &gt;= dc-&gt;width || y3 &gt;= dc-&gt;height)
<a name="l1783"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l1784"></a>
<a name="l1785"></a> d = y3 * dc-&gt;width_internal;
<a name="l1786"></a> dst2 = dc-&gt;body + d;
<a name="l1787"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF3>TRUE</span><span class=cF0>)
<a name="l1788"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1789"></a> x3 = x;
<a name="l1790"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &amp; </span><span class=cF7>(</span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>)
<a name="l1791"></a> {
<a name="l1792"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1793"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1794"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1795"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1796"></a> x3 += win_task-&gt;pix_left;
<a name="l1797"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt;= win_task-&gt;pix_right</span><span class=cF7>)</span><span class=cF0> || x3 &gt;= dc-&gt;width ||
<a name="l1798"></a> !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF7>)</span><span class=cF0> &amp;&amp; </span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x3, y3</span><span class=cF7>)</span><span class=cF0>)
<a name="l1799"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1800"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1801"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1802"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt; dc-&gt;width</span><span class=cF7>)</span><span class=cF0>)
<a name="l1803"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1804"></a> }
<a name="l1805"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1806"></a> x3 += win_task-&gt;pix_left;
<a name="l1807"></a> dst = dst2 + x3;
<a name="l1808"></a> c = *dst;
<a name="l1809"></a> </span><span class=cF1>if</span><span class=cF0> (not_color)
<a name="l1810"></a> {
<a name="l1811"></a> </span><span class=cF1>if</span><span class=cF0> (c != dc-&gt;color2)
<a name="l1812"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1813"></a> res++;
<a name="l1814"></a> x--;
<a name="l1815"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1816"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1817"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1818"></a> }
<a name="l1819"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1820"></a> {
<a name="l1821"></a> </span><span class=cF1>if</span><span class=cF0> (c == dc-&gt;color2)
<a name="l1822"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1823"></a> res++;
<a name="l1824"></a> x--;
<a name="l1825"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1826"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1827"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1828"></a> }
<a name="l1829"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1830"></a>
<a name="l1831"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l1832"></a>gr_done:
<a name="l1833"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l1834"></a>}
<a name="l1835"></a>
<a name="l1836"></a></span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrRayLen</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc, </span><span class=cF9>I64</span><span class=cF0> *x1, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF9>I64</span><span class=cF0> z=</span><span class=cFE>0</span><span class=cF0>, </span><span class=cF9>I32</span><span class=cF0> *db=</span><span class=cF3>NULL</span><span class=cF0>)
<a name="l1837"></a>{
<a name="l1838"></a></span><span class=cF2>//Returns count of pixs changed</span><span class=cF0>
<a name="l1839"></a> </span><span class=cF9>I64</span><span class=cF0> res = </span><span class=cFE>0</span><span class=cF0>, d, x = *x1, x2, x3, y3, dist;
<a name="l1840"></a> </span><span class=cF1>Bool</span><span class=cF0> plot, dither, probability_dither,
<a name="l1841"></a> not_color = </span><span class=cF5>ToBool</span><span class=cF0>(dc-&gt;flags &amp; </span><span class=cF3>DCF_FILL_NOT_COLOR</span><span class=cF0>),
<a name="l1842"></a> was_timer_rand = </span><span class=cF5>Bts</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>);
<a name="l1843"></a> </span><span class=cF1>U8</span><span class=cF0> *dst, *dst2;
<a name="l1844"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> c, c2, color = dc-&gt;color, bkcolor = dc-&gt;bkcolor;
<a name="l1845"></a> </span><span class=cF9>I32</span><span class=cF0> *db2;
<a name="l1846"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l1847"></a>
<a name="l1848"></a>
<a name="l1849"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1850"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1851"></a> win_task = dc-&gt;win_task;
<a name="l1852"></a> x += win_task-&gt;scroll_x;
<a name="l1853"></a> y += win_task-&gt;scroll_y;
<a name="l1854"></a> z += win_task-&gt;scroll_z;
<a name="l1855"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1856"></a> x2 = x;
<a name="l1857"></a> x3 = x;
<a name="l1858"></a> y3 = y;
<a name="l1859"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; </span><span class=cFE>0</span><span class=cF0> || y3 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1860"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l1861"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1862"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1863"></a> x3 += win_task-&gt;pix_left;
<a name="l1864"></a> y3 += win_task-&gt;pix_top;
<a name="l1865"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt;= win_task-&gt;pix_right</span><span class=cF7>)</span><span class=cF0> ||
<a name="l1866"></a> !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= y3 &lt;= win_task-&gt;pix_bottom</span><span class=cF7>)</span><span class=cF0> ||
<a name="l1867"></a> !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF7>)</span><span class=cF0> &amp;&amp; </span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x3, y3</span><span class=cF7>)</span><span class=cF0>)
<a name="l1868"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l1869"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1870"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &gt;= dc-&gt;width || y3 &gt;= dc-&gt;height)
<a name="l1871"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l1872"></a>
<a name="l1873"></a> d = dc-&gt;width_internal * y3;
<a name="l1874"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l1875"></a> db += d;
<a name="l1876"></a>
<a name="l1877"></a> color = dc-&gt;color;
<a name="l1878"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF7>(</span><span class=cF3>ROPBF_DITHER</span><span class=cF0> | </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF7>)</span><span class=cF0>)
<a name="l1879"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1880"></a> dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1881"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF0>)
<a name="l1882"></a> {
<a name="l1883"></a> probability_dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1884"></a> color.c1.rop = color.c0.rop;
<a name="l1885"></a> }
<a name="l1886"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1887"></a> {
<a name="l1888"></a> probability_dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l1889"></a> color.c1.rop = color.c0.rop;
<a name="l1890"></a> }
<a name="l1891"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1892"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1893"></a> dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l1894"></a> dst2 = dc-&gt;body + d;
<a name="l1895"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF3>TRUE</span><span class=cF0>)
<a name="l1896"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1897"></a> x3 = x;
<a name="l1898"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>x3 &amp; (</span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0>)
<a name="l1899"></a> {
<a name="l1900"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1901"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1902"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l1903"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1904"></a> x3 += win_task-&gt;pix_left;
<a name="l1905"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt;= win_task-&gt;pix_right</span><span class=cF7>)</span><span class=cF0> || x3 &gt;= dc-&gt;width ||
<a name="l1906"></a> !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF7>)</span><span class=cF0> &amp;&amp; </span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x3, y3</span><span class=cF7>)</span><span class=cF0>)
<a name="l1907"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1908"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1909"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1910"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1911"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt; dc-&gt;width</span><span class=cF7>)</span><span class=cF0>)
<a name="l1912"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1913"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1914"></a> }
<a name="l1915"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1916"></a> x3 += win_task-&gt;pix_left;
<a name="l1917"></a>
<a name="l1918"></a> dst = dst2 + x3;
<a name="l1919"></a>
<a name="l1920"></a> c = *dst;
<a name="l1921"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l1922"></a> {
<a name="l1923"></a> db2 = db + x3;
<a name="l1924"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFE>0</span><span class=cF0> &lt;= z &lt;= *db2)
<a name="l1925"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1926"></a> *db2 = z;
<a name="l1927"></a> plot = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1928"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1929"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1930"></a> plot = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l1931"></a> }
<a name="l1932"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1933"></a> plot = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l1934"></a>
<a name="l1935"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>not_color &amp;&amp; c != dc-&gt;color2 || !not_color &amp;&amp; c == dc-&gt;color2</span><span class=cF7>)</span><span class=cF0> &amp;&amp; plot)
<a name="l1936"></a> {
<a name="l1937"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l1938"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1939"></a> dist = </span><span class=cF5>DistSqrI64</span><span class=cF0>(x3, y3, dc-&gt;cur_x, dc-&gt;cur_y);
<a name="l1940"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l1941"></a> dc-&gt;nearest_dist = dist;
<a name="l1942"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1943"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l1944"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1945"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; dc-&gt;min_x)
<a name="l1946"></a> dc-&gt;min_x = x3;
<a name="l1947"></a>
<a name="l1948"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &gt; dc-&gt;max_x)
<a name="l1949"></a> dc-&gt;max_x = x3;
<a name="l1950"></a>
<a name="l1951"></a> </span><span class=cF1>if</span><span class=cF0> (y3 &lt; dc-&gt;min_y)
<a name="l1952"></a> dc-&gt;min_y = y3;
<a name="l1953"></a>
<a name="l1954"></a> </span><span class=cF1>if</span><span class=cF0> (y3 &gt; dc-&gt;max_y)
<a name="l1955"></a> dc-&gt;max_y = y3;
<a name="l1956"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1957"></a> dst = dst2 + x3;
<a name="l1958"></a>
<a name="l1959"></a> c = color.c0.color;
<a name="l1960"></a> </span><span class=cF1>if</span><span class=cF0> (dither)
<a name="l1961"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1962"></a> </span><span class=cF1>if</span><span class=cF0> (probability_dither)
<a name="l1963"></a> {
<a name="l1964"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l1965"></a> c = color.c1.color;
<a name="l1966"></a> }
<a name="l1967"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1968"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>x3 ^ y3</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l1969"></a> c = color.c1.color;
<a name="l1970"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1971"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l1972"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l1973"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l1974"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l1975"></a> *dst = c;
<a name="l1976"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1977"></a>
<a name="l1978"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>:
<a name="l1979"></a> c2 = *dst;
<a name="l1980"></a> </span><span class=cF1>if</span><span class=cF0> (c2 != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c2 != bkcolor.c0.color)
<a name="l1981"></a> dc-&gt;collision_count++;
<a name="l1982"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1983"></a>
<a name="l1984"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l1985"></a> *dst ^= c;
<a name="l1986"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1987"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1988"></a> res++;
<a name="l1989"></a> x++;
<a name="l1990"></a> }
<a name="l1991"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1992"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l1993"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l1994"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l1995"></a> *x1 = x - </span><span class=cFE>1</span><span class=cF0> - win_task-&gt;scroll_x;
<a name="l1996"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l1997"></a> *x1 = x - </span><span class=cFE>1</span><span class=cF0>;
<a name="l1998"></a> x = x2 - </span><span class=cFE>1</span><span class=cF0>;
<a name="l1999"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF3>TRUE</span><span class=cF0>)
<a name="l2000"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2001"></a> x3 = x;
<a name="l2002"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &amp; </span><span class=cF7>(</span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF7>)</span><span class=cF0> == </span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>)
<a name="l2003"></a> {
<a name="l2004"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l2005"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2006"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2007"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2008"></a> x3 += win_task-&gt;pix_left;
<a name="l2009"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt;= win_task-&gt;pix_right</span><span class=cF7>)</span><span class=cF0> || x3 &gt;= dc-&gt;width ||
<a name="l2010"></a> !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF7>)</span><span class=cF0> &amp;&amp; </span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x3, y3</span><span class=cF7>)</span><span class=cF0>)
<a name="l2011"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2012"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2013"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2014"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x3 &lt; dc-&gt;width</span><span class=cF7>)</span><span class=cF0>)
<a name="l2015"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2016"></a> }
<a name="l2017"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l2018"></a> x3 += win_task-&gt;pix_left;
<a name="l2019"></a>
<a name="l2020"></a> dst = dst2 + x3;
<a name="l2021"></a> c = *dst;
<a name="l2022"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l2023"></a> {
<a name="l2024"></a> db2 = db + x3;
<a name="l2025"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFE>0</span><span class=cF0> &lt;= z &lt;= *db2)
<a name="l2026"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2027"></a> *db2 = z;
<a name="l2028"></a> plot = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2029"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2030"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2031"></a> plot = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2032"></a> }
<a name="l2033"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2034"></a> plot = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2035"></a>
<a name="l2036"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>not_color &amp;&amp; c != dc-&gt;color2 || !not_color &amp;&amp; c == dc-&gt;color2</span><span class=cF7>)</span><span class=cF0> &amp;&amp; plot)
<a name="l2037"></a> {
<a name="l2038"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l2039"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2040"></a> dist = </span><span class=cF5>DistSqrI64</span><span class=cF0>(x3, y3, dc-&gt;cur_x, dc-&gt;cur_y);
<a name="l2041"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l2042"></a> dc-&gt;nearest_dist = dist;
<a name="l2043"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2044"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l2045"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2046"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &lt; dc-&gt;min_x)
<a name="l2047"></a> dc-&gt;min_x = x3;
<a name="l2048"></a> </span><span class=cF1>if</span><span class=cF0> (x3 &gt; dc-&gt;max_x)
<a name="l2049"></a> dc-&gt;max_x = x3;
<a name="l2050"></a> </span><span class=cF1>if</span><span class=cF0> (y3 &lt; dc-&gt;min_y)
<a name="l2051"></a> dc-&gt;min_y = y3;
<a name="l2052"></a> </span><span class=cF1>if</span><span class=cF0> (y3 &gt; dc-&gt;max_y)
<a name="l2053"></a> dc-&gt;max_y = y3;
<a name="l2054"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2055"></a> dst = dst2 + x3;
<a name="l2056"></a>
<a name="l2057"></a> c = color.c0.color;
<a name="l2058"></a> </span><span class=cF1>if</span><span class=cF0> (dither)
<a name="l2059"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2060"></a> </span><span class=cF1>if</span><span class=cF0> (probability_dither)
<a name="l2061"></a> {
<a name="l2062"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l2063"></a> c = color.c1.color;
<a name="l2064"></a> }
<a name="l2065"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2066"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>x3 ^ y3</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l2067"></a> c = color.c1.color;
<a name="l2068"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2069"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l2070"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2071"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l2072"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l2073"></a> *dst = c;
<a name="l2074"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2075"></a>
<a name="l2076"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>:
<a name="l2077"></a> c2 = *dst;
<a name="l2078"></a> </span><span class=cF1>if</span><span class=cF0> (c2 != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c2 != bkcolor.c0.color)
<a name="l2079"></a> dc-&gt;collision_count++;
<a name="l2080"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2081"></a>
<a name="l2082"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l2083"></a> *dst ^= c;
<a name="l2084"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2085"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2086"></a> res++;
<a name="l2087"></a> x--;
<a name="l2088"></a> }
<a name="l2089"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2090"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2091"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2092"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l2093"></a>
<a name="l2094"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l2095"></a>gr_done:
<a name="l2096"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l2097"></a>
<a name="l2098"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cFE>0</span><span class=cF0>;
<a name="l2099"></a>}
<a name="l2100"></a>
<a name="l2101"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrHLine</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x1, </span><span class=cF9>I64</span><span class=cF0> x2, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF9>I64</span><span class=cF0> z1=</span><span class=cFE>0</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> z2=</span><span class=cFE>0</span><span class=cF0>)
<a name="l2102"></a>{</span><span class=cF2>//3D. No transformation or thick.</span><span class=cF0>
<a name="l2103"></a></span><span class=cF2>//Returns count of pixs changed</span><span class=cF0>
<a name="l2104"></a> </span><span class=cF2>//Uses </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.CC.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
<a name="l2105"></a> </span><span class=cF9>I64</span><span class=cF0> dist, dx, dz, z, res = </span><span class=cFE>0</span><span class=cF0>, i, j, d;
<a name="l2106"></a> </span><span class=cF1>U8</span><span class=cF0> *dst;
<a name="l2107"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> c, c2, color = dc-&gt;color, bkcolor = dc-&gt;bkcolor, dither_colors;
<a name="l2108"></a> </span><span class=cF9>I32</span><span class=cF0> *db;
<a name="l2109"></a> </span><span class=cF1>Bool</span><span class=cF0> plot = </span><span class=cF3>TRUE</span><span class=cF0>, char_clear, dither, probability_dither,
<a name="l2110"></a> was_timer_rand = </span><span class=cF5>Bts</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>);
<a name="l2111"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l2112"></a>
<a name="l2113"></a>
<a name="l2114"></a> </span><span class=cF1>if</span><span class=cF0> (!dc-&gt;depth_buf)
<a name="l2115"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2116"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &lt; x1)
<a name="l2117"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;x1, &amp;x2);
<a name="l2118"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>GrRect</span><span class=cF0>(dc, x1, y, x2 - x1 + </span><span class=cFE>1</span><span class=cF0>, </span><span class=cFE>1</span><span class=cF0>);
<a name="l2119"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2120"></a>
<a name="l2121"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l2122"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2123"></a> win_task = dc-&gt;win_task;
<a name="l2124"></a> x1 += win_task-&gt;scroll_x;
<a name="l2125"></a> x2 += win_task-&gt;scroll_x;
<a name="l2126"></a> y += win_task-&gt;scroll_y;
<a name="l2127"></a> z1 += win_task-&gt;scroll_z;
<a name="l2128"></a> z2 += win_task-&gt;scroll_z;
<a name="l2129"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2130"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l2131"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2132"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &lt; dc-&gt;min_x)
<a name="l2133"></a> dc-&gt;min_x = x1;
<a name="l2134"></a>
<a name="l2135"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &gt; dc-&gt;max_x)
<a name="l2136"></a> dc-&gt;max_x = x1;
<a name="l2137"></a>
<a name="l2138"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &lt; dc-&gt;min_x)
<a name="l2139"></a> dc-&gt;min_x = x2;
<a name="l2140"></a>
<a name="l2141"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &gt; dc-&gt;max_x)
<a name="l2142"></a> dc-&gt;max_x = x2;
<a name="l2143"></a>
<a name="l2144"></a> </span><span class=cF1>if</span><span class=cF0> (y &lt; dc-&gt;min_y)
<a name="l2145"></a> dc-&gt;min_y = y;
<a name="l2146"></a>
<a name="l2147"></a> </span><span class=cF1>if</span><span class=cF0> (y &gt; dc-&gt;max_y)
<a name="l2148"></a> dc-&gt;max_y = y;
<a name="l2149"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2150"></a> </span><span class=cF1>if</span><span class=cF0> (y &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2151"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2152"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &lt; x1)
<a name="l2153"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2154"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;x1, &amp;x2);
<a name="l2155"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;z1, &amp;z2);
<a name="l2156"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2157"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2158"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2159"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2160"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2161"></a> i = -x1;
<a name="l2162"></a> x1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2163"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2164"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2165"></a> i = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2166"></a> j = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2167"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l2168"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2169"></a> x1 += win_task-&gt;pix_left;
<a name="l2170"></a> x2 += win_task-&gt;pix_left;
<a name="l2171"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &gt; win_task-&gt;pix_right)
<a name="l2172"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2173"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &gt; win_task-&gt;pix_right)
<a name="l2174"></a> {
<a name="l2175"></a> j = x2 - win_task-&gt;pix_right;
<a name="l2176"></a> x2 = win_task-&gt;pix_right;
<a name="l2177"></a> }
<a name="l2178"></a> y += win_task-&gt;pix_top;
<a name="l2179"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= y &lt;= win_task-&gt;pix_bottom</span><span class=cF7>)</span><span class=cF0> || x2 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2180"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2181"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2182"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &gt;= dc-&gt;width || y &gt;= dc-&gt;height)
<a name="l2183"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2184"></a> dx = x2 + j - (x1 - i);
<a name="l2185"></a> d = dc-&gt;width_internal * y + x1;
<a name="l2186"></a> </span><span class=cF1>if</span><span class=cF0> (db = dc-&gt;depth_buf)
<a name="l2187"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2188"></a> db += d;
<a name="l2189"></a> </span><span class=cF1>if</span><span class=cF0> (dx)
<a name="l2190"></a> dz = (z2 - z1) &lt;&lt; </span><span class=cFE>32</span><span class=cF0> / dx;
<a name="l2191"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2192"></a> dz = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2193"></a> z = z1 &lt;&lt; </span><span class=cFE>32</span><span class=cF0>;
<a name="l2194"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2195"></a> </span><span class=cF1>if</span><span class=cF0> (i)
<a name="l2196"></a> z += i * dz;
<a name="l2197"></a> </span><span class=cF1>if</span><span class=cF0> (x2 &gt;= dc-&gt;width)
<a name="l2198"></a> x2 = dc-&gt;width - </span><span class=cFE>1</span><span class=cF0>;
<a name="l2199"></a>
<a name="l2200"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l2201"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2202"></a> </span><span class=cF1>if</span><span class=cF0> (x1 &lt;= dc-&gt;cur_x &lt;= x2)
<a name="l2203"></a> dist = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2204"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;cur_x &lt; x1)
<a name="l2205"></a> dist = </span><span class=cF5>SqrI64</span><span class=cF0>(x1 - dc-&gt;cur_x);
<a name="l2206"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2207"></a> dist = </span><span class=cF5>SqrI64</span><span class=cF0>(dc-&gt;cur_x - x2);
<a name="l2208"></a> dist += </span><span class=cF5>SqrI64</span><span class=cF0>(y - dc-&gt;cur_y);
<a name="l2209"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l2210"></a> dc-&gt;nearest_dist = dist;
<a name="l2211"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2212"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_DONT_DRAW</span><span class=cF0>)
<a name="l2213"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2214"></a>
<a name="l2215"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> ||
<a name="l2216"></a> win_task-&gt;next_task == </span><span class=cFB>sys_winmgr_task</span><span class=cF0> ||
<a name="l2217"></a> dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0> || !</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x1, y</span><span class=cF7>)</span><span class=cF0>)
<a name="l2218"></a> char_clear = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2219"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2220"></a> char_clear = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2221"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF7>(</span><span class=cF3>ROPBF_DITHER</span><span class=cF0> | </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF7>)</span><span class=cF0>)
<a name="l2222"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2223"></a> dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2224"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF0>)
<a name="l2225"></a> {
<a name="l2226"></a> probability_dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2227"></a> color.c1.rop = color.c0.rop;
<a name="l2228"></a> dither_colors = color;
<a name="l2229"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l2230"></a> color.c0 = dither_colors.c1;
<a name="l2231"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2232"></a> color.c0 = dither_colors.c0;
<a name="l2233"></a> }
<a name="l2234"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2235"></a> {
<a name="l2236"></a> probability_dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2237"></a> color.c1.rop = color.c0.rop;
<a name="l2238"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>x1 ^ y</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l2239"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l2240"></a> }
<a name="l2241"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2242"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2243"></a> dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2244"></a> </span><span class=cF1>while</span><span class=cF0> (x1 &lt;= x2)
<a name="l2245"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2246"></a> </span><span class=cF1>if</span><span class=cF0> (char_clear)
<a name="l2247"></a> {
<a name="l2248"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l2249"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2250"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFE>0</span><span class=cF0> &lt;= z.i32[</span><span class=cFE>1</span><span class=cF0>] &lt;= *db)
<a name="l2251"></a> {
<a name="l2252"></a> *db = z.i32[</span><span class=cFE>1</span><span class=cF0>];
<a name="l2253"></a> plot = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2254"></a> }
<a name="l2255"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2256"></a> plot = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2257"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2258"></a> </span><span class=cF1>if</span><span class=cF0> (plot)
<a name="l2259"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2260"></a> dst = dc-&gt;body + d;
<a name="l2261"></a> c = color.c0.color;
<a name="l2262"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l2263"></a> {
<a name="l2264"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l2265"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l2266"></a> *dst = c;
<a name="l2267"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2268"></a>
<a name="l2269"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>:
<a name="l2270"></a> c2 = *dst;
<a name="l2271"></a> </span><span class=cF1>if</span><span class=cF0> (c2 != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c2 != bkcolor.c0.color)
<a name="l2272"></a> dc-&gt;collision_count++;
<a name="l2273"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2274"></a>
<a name="l2275"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l2276"></a> *dst ^= c;
<a name="l2277"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2278"></a> }
<a name="l2279"></a> res++;
<a name="l2280"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2281"></a> }
<a name="l2282"></a> </span><span class=cF1>if</span><span class=cF0> (dither)
<a name="l2283"></a> {
<a name="l2284"></a> </span><span class=cF1>if</span><span class=cF0> (probability_dither)
<a name="l2285"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2286"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l2287"></a> color.c0 = dither_colors.c1;
<a name="l2288"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2289"></a> color.c0 = dither_colors.c0;
<a name="l2290"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2291"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2292"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l2293"></a> }
<a name="l2294"></a> d++;
<a name="l2295"></a> x1++;
<a name="l2296"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l2297"></a> db++;
<a name="l2298"></a> z += dz;
<a name="l2299"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>x1 &amp; (</span><span class=cF3>FONT_WIDTH</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0> &amp;&amp; x1 &lt;= x2)
<a name="l2300"></a> {
<a name="l2301"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0>||
<a name="l2302"></a> win_task-&gt;next_task == </span><span class=cFB>sys_winmgr_task</span><span class=cF0> ||
<a name="l2303"></a> dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0> || !</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x1, y</span><span class=cF7>)</span><span class=cF0>)
<a name="l2304"></a> char_clear = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2305"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2306"></a> char_clear = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2307"></a> }
<a name="l2308"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2309"></a>gr_done:
<a name="l2310"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l2311"></a>
<a name="l2312"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l2313"></a>}
<a name="l2314"></a>
<a name="l2315"></a></span><span class=cF1>public</span><span class=cF0> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF5>GrVLine</span><span class=cF0>(</span><span class=cF9>CDC</span><span class=cF0> *dc=</span><span class=cFB>gr</span><span class=cF0>.dc, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y1, </span><span class=cF9>I64</span><span class=cF0> y2, </span><span class=cF9>I64</span><span class=cF0> z1=</span><span class=cFE>0</span><span class=cF0>, </span><span class=cF9>I64</span><span class=cF0> z2=</span><span class=cFE>0</span><span class=cF0>)
<a name="l2316"></a>{</span><span class=cF2>//3D. No transformation or thick.</span><span class=cF0>
<a name="l2317"></a></span><span class=cF2>//Returns count of pixs changed</span><span class=cF0>
<a name="l2318"></a> </span><span class=cF2>//Uses </span><a href="https://zeal-operating-system.github.io/ZealOS/Demo/Lectures/FixedPoint.CC.html#l1"><span class=cF4>fixed-point</span></a><span class=cF2>.</span><span class=cF0>
<a name="l2319"></a> </span><span class=cF9>I64</span><span class=cF0> dist, dy, dz, z, res = </span><span class=cFE>0</span><span class=cF0>, i, j, d;
<a name="l2320"></a> </span><span class=cF1>U8</span><span class=cF0> *dst;
<a name="l2321"></a> </span><span class=cF9>CColorROPU32</span><span class=cF0> c, c2, color = dc-&gt;color, bkcolor = dc-&gt;bkcolor, dither_colors;
<a name="l2322"></a> </span><span class=cF9>I32</span><span class=cF0> *db;
<a name="l2323"></a> </span><span class=cF1>Bool</span><span class=cF0> plot = </span><span class=cF3>TRUE</span><span class=cF0>, char_clear, dither, probability_dither,
<a name="l2324"></a> was_timer_rand = </span><span class=cF5>Bts</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>);
<a name="l2325"></a> </span><span class=cF9>CTask</span><span class=cF0> *win_task;
<a name="l2326"></a>
<a name="l2327"></a>
<a name="l2328"></a> </span><span class=cF1>if</span><span class=cF0> (!dc-&gt;depth_buf)
<a name="l2329"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2330"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &lt; y1)
<a name="l2331"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;y1, &amp;y2);
<a name="l2332"></a> </span><span class=cF1>return</span><span class=cF0> </span><span class=cF5>GrRect</span><span class=cF0>(dc, x, y1, </span><span class=cFE>1</span><span class=cF0>, y2 - y1 + </span><span class=cFE>1</span><span class=cF0>);
<a name="l2333"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2334"></a>
<a name="l2335"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l2336"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2337"></a> win_task = dc-&gt;win_task;
<a name="l2338"></a> x += win_task-&gt;scroll_x;
<a name="l2339"></a> y1 += win_task-&gt;scroll_y;
<a name="l2340"></a> y2 += win_task-&gt;scroll_y;
<a name="l2341"></a> z1 += win_task-&gt;scroll_z;
<a name="l2342"></a> z2 += win_task-&gt;scroll_z;
<a name="l2343"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2344"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_RECORD_EXTENTS</span><span class=cF0>)
<a name="l2345"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2346"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; dc-&gt;min_x)
<a name="l2347"></a> dc-&gt;min_x = x;
<a name="l2348"></a>
<a name="l2349"></a> </span><span class=cF1>if</span><span class=cF0> (x &gt; dc-&gt;max_x)
<a name="l2350"></a> dc-&gt;max_x = x;
<a name="l2351"></a>
<a name="l2352"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &lt; dc-&gt;min_y)
<a name="l2353"></a> dc-&gt;min_y = y1;
<a name="l2354"></a>
<a name="l2355"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &gt; dc-&gt;max_y)
<a name="l2356"></a> dc-&gt;max_y = y1;
<a name="l2357"></a>
<a name="l2358"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &lt; dc-&gt;min_y)
<a name="l2359"></a> dc-&gt;min_y = y2;
<a name="l2360"></a>
<a name="l2361"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &gt; dc-&gt;max_y)
<a name="l2362"></a> dc-&gt;max_y = y2;
<a name="l2363"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2364"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2365"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2366"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &lt; y1)
<a name="l2367"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2368"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;y1, &amp;y2);
<a name="l2369"></a> </span><span class=cF5>SwapI64</span><span class=cF0>(&amp;z1, &amp;z2);
<a name="l2370"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2371"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2372"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2373"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2374"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2375"></a> i = -y1;
<a name="l2376"></a> y1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2377"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2378"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2379"></a> i = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2380"></a> j = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2381"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF0>)
<a name="l2382"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2383"></a> y1 += win_task-&gt;pix_top;
<a name="l2384"></a> y2 += win_task-&gt;pix_top;
<a name="l2385"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &gt; win_task-&gt;pix_bottom)
<a name="l2386"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2387"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &gt; win_task-&gt;pix_bottom)
<a name="l2388"></a> {
<a name="l2389"></a> j = y2 - win_task-&gt;pix_bottom;
<a name="l2390"></a> y2 = win_task-&gt;pix_bottom;
<a name="l2391"></a> }
<a name="l2392"></a> x += win_task-&gt;pix_left;
<a name="l2393"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cFE>0</span><span class=cF0> &lt;= x &lt;= win_task-&gt;pix_right</span><span class=cF7>)</span><span class=cF0> || y2 &lt; </span><span class=cFE>0</span><span class=cF0>)
<a name="l2394"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2395"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2396"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &gt;= dc-&gt;height || x &gt;= dc-&gt;width)
<a name="l2397"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2398"></a> dy = y2 + j - (y1 - i);
<a name="l2399"></a> d = dc-&gt;width_internal * y1 + x;
<a name="l2400"></a> </span><span class=cF1>if</span><span class=cF0> (db = dc-&gt;depth_buf)
<a name="l2401"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2402"></a> db += d;
<a name="l2403"></a> </span><span class=cF1>if</span><span class=cF0> (dy)
<a name="l2404"></a> dz = (z2 - z1) &lt;&lt; </span><span class=cFE>32</span><span class=cF0> / dy;
<a name="l2405"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2406"></a> dz = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2407"></a> z = z1 &lt;&lt; </span><span class=cFE>32</span><span class=cF0>;
<a name="l2408"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2409"></a> </span><span class=cF1>if</span><span class=cF0> (i)
<a name="l2410"></a> z += i * dz;
<a name="l2411"></a> </span><span class=cF1>if</span><span class=cF0> (y2 &gt;= dc-&gt;height)
<a name="l2412"></a> y2 = dc-&gt;height - </span><span class=cFE>1</span><span class=cF0>;
<a name="l2413"></a>
<a name="l2414"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_LOCATE_NEAREST</span><span class=cF0>)
<a name="l2415"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2416"></a> </span><span class=cF1>if</span><span class=cF0> (y1 &lt;= dc-&gt;cur_y &lt;= y2)
<a name="l2417"></a> dist = </span><span class=cFE>0</span><span class=cF0>;
<a name="l2418"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;cur_y &lt; y1)
<a name="l2419"></a> dist = </span><span class=cF5>SqrI64</span><span class=cF0>(y1 - dc-&gt;cur_y);
<a name="l2420"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2421"></a> dist = </span><span class=cF5>SqrI64</span><span class=cF0>(dc-&gt;cur_y - y2);
<a name="l2422"></a> dist += </span><span class=cF5>SqrI64</span><span class=cF0>(x - dc-&gt;cur_x);
<a name="l2423"></a> </span><span class=cF1>if</span><span class=cF0> (dist &lt;= dc-&gt;nearest_dist)
<a name="l2424"></a> dc-&gt;nearest_dist = dist;
<a name="l2425"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2426"></a> </span><span class=cF1>if</span><span class=cF0> (dc-&gt;flags &amp; </span><span class=cF3>DCF_DONT_DRAW</span><span class=cF0>)
<a name="l2427"></a> </span><span class=cF1>goto</span><span class=cF0> gr_done;
<a name="l2428"></a>
<a name="l2429"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> ||
<a name="l2430"></a> win_task-&gt;next_task == </span><span class=cFB>sys_winmgr_task</span><span class=cF0> ||
<a name="l2431"></a> dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0> || !</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x, y1</span><span class=cF7>)</span><span class=cF0>)
<a name="l2432"></a> char_clear = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2433"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2434"></a> char_clear = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2435"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF7>(</span><span class=cF3>ROPBF_DITHER</span><span class=cF0> | </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF7>)</span><span class=cF0>)
<a name="l2436"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2437"></a> dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2438"></a> </span><span class=cF1>if</span><span class=cF0> (color.c1.rop &amp; </span><span class=cF3>ROPBF_PROBABILITY_DITHER</span><span class=cF0>)
<a name="l2439"></a> {
<a name="l2440"></a> probability_dither = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2441"></a> color.c1.rop = color.c0.rop;
<a name="l2442"></a> dither_colors = color;
<a name="l2443"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l2444"></a> color.c0 = dither_colors.c1;
<a name="l2445"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2446"></a> color.c0 = dither_colors.c0;
<a name="l2447"></a> }
<a name="l2448"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2449"></a> {
<a name="l2450"></a> probability_dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2451"></a> color.c1.rop = color.c0.rop;
<a name="l2452"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF7>(</span><span class=cF0>x ^ y1</span><span class=cF7>)</span><span class=cF0> &amp; </span><span class=cFE>1</span><span class=cF0>)
<a name="l2453"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l2454"></a> }
<a name="l2455"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2456"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2457"></a> dither = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2458"></a> </span><span class=cF1>while</span><span class=cF0> (y1 &lt;= y2)
<a name="l2459"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2460"></a> </span><span class=cF1>if</span><span class=cF0> (char_clear)
<a name="l2461"></a> {
<a name="l2462"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l2463"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2464"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cFE>0</span><span class=cF0> &lt;= z.i32[</span><span class=cFE>1</span><span class=cF0>] &lt;= *db)
<a name="l2465"></a> {
<a name="l2466"></a> *db = z.i32[</span><span class=cFE>1</span><span class=cF0>];
<a name="l2467"></a> plot = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2468"></a> }
<a name="l2469"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2470"></a> plot = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2471"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2472"></a> </span><span class=cF1>if</span><span class=cF0> (plot)
<a name="l2473"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2474"></a> dst = dc-&gt;body + d;
<a name="l2475"></a> c = color.c0.color;
<a name="l2476"></a> </span><span class=cF1>switch</span><span class=cF0> [color.c0.rop]
<a name="l2477"></a> {
<a name="l2478"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_EQU</span><span class=cF0>:
<a name="l2479"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_MONO</span><span class=cF0>:
<a name="l2480"></a> *dst = c;
<a name="l2481"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2482"></a>
<a name="l2483"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_COLLISION</span><span class=cF0>:
<a name="l2484"></a> c2 = *dst;
<a name="l2485"></a> </span><span class=cF1>if</span><span class=cF0> (c2 != </span><span class=cF3>TRANSPARENT</span><span class=cF0> &amp;&amp; c2 != bkcolor.c0.color)
<a name="l2486"></a> dc-&gt;collision_count++;
<a name="l2487"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2488"></a>
<a name="l2489"></a> </span><span class=cF1>case</span><span class=cF0> </span><span class=cF3>ROPB_XOR</span><span class=cF0>:
<a name="l2490"></a> *dst ^= c;
<a name="l2491"></a> </span><span class=cF1>break</span><span class=cF0>;
<a name="l2492"></a> }
<a name="l2493"></a> res++;
<a name="l2494"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2495"></a> }
<a name="l2496"></a> </span><span class=cF1>if</span><span class=cF0> (dither)
<a name="l2497"></a> {
<a name="l2498"></a> </span><span class=cF1>if</span><span class=cF0> (probability_dither)
<a name="l2499"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l2500"></a> </span><span class=cF1>if</span><span class=cF0> (</span><span class=cF5>RandU16</span><span class=cF0> &lt; dc-&gt;dither_probability_u16)
<a name="l2501"></a> color.c0 = dither_colors.c1;
<a name="l2502"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2503"></a> color.c0 = dither_colors.c0;
<a name="l2504"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2505"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2506"></a> </span><span class=cF5>SwapU16</span><span class=cF0>(&amp;color.c0, &amp;color.c1);
<a name="l2507"></a> }
<a name="l2508"></a> d += dc-&gt;width_internal;
<a name="l2509"></a> y1++;
<a name="l2510"></a> </span><span class=cF1>if</span><span class=cF0> (db)
<a name="l2511"></a> db += dc-&gt;width_internal;
<a name="l2512"></a> z += dz;
<a name="l2513"></a> </span><span class=cF1>if</span><span class=cF0> (!</span><span class=cF7>(</span><span class=cF0>y1 &amp; (</span><span class=cF3>FONT_HEIGHT</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>)</span><span class=cF7>)</span><span class=cF0> &amp;&amp; y1 &lt;= y2)
<a name="l2514"></a> {
<a name="l2515"></a> </span><span class=cF1>if</span><span class=cF0> ( !</span><span class=cF7>(</span><span class=cF0>dc-&gt;flags &amp; </span><span class=cF3>DCF_SCREEN_BITMAP</span><span class=cF7>)</span><span class=cF0> ||
<a name="l2516"></a> win_task-&gt;next_task == </span><span class=cFB>sys_winmgr_task</span><span class=cF0> ||
<a name="l2517"></a> dc-&gt;flags &amp; </span><span class=cF3>DCF_ON_TOP</span><span class=cF0> || !</span><span class=cF5>IsPixCovered0</span><span class=cF7>(</span><span class=cF0>win_task, x, y1</span><span class=cF7>)</span><span class=cF0>)
<a name="l2518"></a> char_clear = </span><span class=cF3>TRUE</span><span class=cF0>;
<a name="l2519"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l2520"></a> char_clear = </span><span class=cF3>FALSE</span><span class=cF0>;
<a name="l2521"></a> }
<a name="l2522"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l2523"></a>gr_done:
<a name="l2524"></a> </span><span class=cF5>BEqual</span><span class=cF0>(&amp;</span><span class=cF5>Fs</span><span class=cF0>-&gt;task_flags, </span><span class=cF3>TASKf_NONTIMER_RAND</span><span class=cF0>, was_timer_rand);
<a name="l2525"></a>
<a name="l2526"></a> </span><span class=cF1>return</span><span class=cF0> res;
<a name="l2527"></a>}
</span></pre></body>
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