ZealOS/docs/Demo/Graphics/Extents.CC.html
TomAwezome 1b75d91002 Fix Mount AHCI Port selection.
Add arg to SATARep to specify drive types to show.
Add checks in AHCIPortInit to verify port signatures, add helper method to get signatures from port.
2021-08-02 16:40:05 -04:00

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<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF2>//Test image which we will determine the extents of.</span><span class=cF0>
<a name="l2"></a>
<a name="l3"></a></span><span class=cFA>
<a name="l4"></a>&lt;1&gt;/* Graphics Not Rendered in HTML */</span><span class=cF0>
<a name="l5"></a>
<a name="l6"></a>
<a name="l7"></a></span><span class=cF1>U0</span><span class=cF0> Extents()
<a name="l8"></a>{
<a name="l9"></a> </span><span class=cF9>CDC</span><span class=cF0> *dc = </span><span class=cF5>DCAlias</span><span class=cF0>;
<a name="l10"></a> </span><span class=cF9>I64</span><span class=cF0> min_x, max_x, min_y, max_y;
<a name="l11"></a>
<a name="l12"></a> </span><span class=cF2>//Screen, not win coordinates.</span><span class=cF0>
<a name="l13"></a> </span><span class=cF9>I64</span><span class=cF0> h = </span><span class=cF5>Fs</span><span class=cF0>-&gt;pix_left + </span><span class=cF5>Fs</span><span class=cF0>-&gt;scroll_x, v = </span><span class=cF5>Fs</span><span class=cF0>-&gt;pix_top + </span><span class=cF5>Fs</span><span class=cF0>-&gt;scroll_y;
<a name="l14"></a>
<a name="l15"></a> </span><span class=cF5>DocClear</span><span class=cF0>;
<a name="l16"></a> </span><span class=cF5>DCFill</span><span class=cF0>;
<a name="l17"></a>
<a name="l18"></a> </span><span class=cF2>//This sets a flag to record the</span><span class=cF0>
<a name="l19"></a> </span><span class=cF2>//extents of what we draw and inits</span><span class=cF0>
<a name="l20"></a> </span><span class=cF2>//the max's and min's. Vals are</span><span class=cF0>
<a name="l21"></a> </span><span class=cF2>//screen coordinates.</span><span class=cF0>
<a name="l22"></a> </span><span class=cF5>DCExtentsInit</span><span class=cF0>(dc);
<a name="l23"></a>
<a name="l24"></a> dc-&gt;thick = </span><span class=cFE>3</span><span class=cF0>;
<a name="l25"></a> </span><span class=cF5>Sprite3</span><span class=cF0>(dc, </span><span class=cFE>40</span><span class=cF0>, </span><span class=cF3>GR_HEIGHT</span><span class=cF0> &gt;&gt; </span><span class=cFE>1</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFA>&lt;1&gt;</span><span class=cF0>);
<a name="l26"></a>
<a name="l27"></a> dc-&gt;color = </span><span class=cF3>LTRED</span><span class=cF0>;
<a name="l28"></a> dc-&gt;thick = </span><span class=cFE>1</span><span class=cF0>;
<a name="l29"></a>
<a name="l30"></a> </span><span class=cF2>//This box is the extents.</span><span class=cF0>
<a name="l31"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, dc-&gt;min_x - h, dc-&gt;min_y - v, dc-&gt;max_x - h, dc-&gt;min_y - v);
<a name="l32"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, dc-&gt;min_x - h, dc-&gt;min_y - v, dc-&gt;min_x - h, dc-&gt;max_y - v);
<a name="l33"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, dc-&gt;max_x - h, dc-&gt;max_y - v, dc-&gt;max_x - h, dc-&gt;min_y - v);
<a name="l34"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, dc-&gt;max_x - h, dc-&gt;max_y - v, dc-&gt;min_x - h, dc-&gt;max_y - v);
<a name="l35"></a>
<a name="l36"></a> </span><span class=cF5>DCDel</span><span class=cF0>(dc);
<a name="l37"></a> </span><span class=cF5>PressAKey</span><span class=cF0>;
<a name="l38"></a> </span><span class=cF5>DCFill</span><span class=cF0>;
<a name="l39"></a>
<a name="l40"></a> </span><span class=cF5>SpriteExtents</span><span class=cF0>(</span><span class=cFA>&lt;1&gt;</span><span class=cF0>, &amp;min_x, &amp;max_x, &amp;min_y, &amp;max_y);
<a name="l41"></a> </span><span class=cF6>&quot;X: %d to %d\n&quot;</span><span class=cF0>, min_x, max_x;
<a name="l42"></a> </span><span class=cF6>&quot;Y: %d to %d\n&quot;</span><span class=cF0>, min_y, max_y;
<a name="l43"></a>}
<a name="l44"></a>
<a name="l45"></a>Extents;
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