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ZealOS/docs/Demo/Graphics/Transform.CC.html
TomAwezome dd959b40c5 Add progress bar to DVDImageRead.
2021-08-17 02:47:37 -04:00

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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
<meta name="generator" content="ZealOS V1.00">
<style type="text/css">
body {background-color:#fef1f0;}
.cF0{color:#000000;background-color:#fef1f0;}
.cF1{color:#0148a4;background-color:#fef1f0;}
.cF2{color:#3b7901;background-color:#fef1f0;}
.cF3{color:#057c7e;background-color:#fef1f0;}
.cF4{color:#bb2020;background-color:#fef1f0;}
.cF5{color:#9e42ae;background-color:#fef1f0;}
.cF6{color:#b57901;background-color:#fef1f0;}
.cF7{color:#b2b6af;background-color:#fef1f0;}
.cF8{color:#555753;background-color:#fef1f0;}
.cF9{color:#678fbb;background-color:#fef1f0;}
.cFA{color:#82bc49;background-color:#fef1f0;}
.cFB{color:#0097a2;background-color:#fef1f0;}
.cFC{color:#e26a6a;background-color:#fef1f0;}
.cFD{color:#c671bc;background-color:#fef1f0;}
.cFE{color:#c7ab00;background-color:#fef1f0;}
.cFF{color:#fef1f0;background-color:#fef1f0;}
</style>
</head>
<body>
<pre style="font-family:monospace;font-size:12pt">
<a name="l1"></a><span class=cF2>/*This highlights the 4th dimension</span><span class=cF0>
<a name="l2"></a></span><span class=cF2>of the transformation matrix which</span><span class=cF0>
<a name="l3"></a></span><span class=cF2>is used for storing translations (shifts)</span><span class=cF0>
<a name="l4"></a></span><span class=cF2>in matricies so they can be combined</span><span class=cF0>
<a name="l5"></a></span><span class=cF2>with a matrix multiplication.</span><span class=cF0>
<a name="l6"></a>
<a name="l7"></a></span><span class=cF2>Scroll bar works.</span><span class=cF0>
<a name="l8"></a>
<a name="l9"></a></span><span class=cF2>The multiplication takes place in the</span><span class=cF4>
<a name="l10"></a></span><a href="https://zeal-operating-system.github.io/ZealOS/System/Gr/GrSpritePlot.CC.html#l325"><span class=cF4>Sprite3ZB</span></a><span class=cF2> routine.</span><span class=cF0>
<a name="l11"></a></span><span class=cF2>*/</span><span class=cF0>
<a name="l12"></a>
<a name="l13"></a>#</span><span class=cF1>define</span><span class=cF0> SLIDER_SPACING </span><span class=cFE>20</span><span class=cF0>
<a name="l14"></a>#</span><span class=cF1>define</span><span class=cF0> SLIDER_RANGE </span><span class=cFE>30</span><span class=cF0>
<a name="l15"></a>#</span><span class=cF1>define</span><span class=cF0> SLIDER_BORDER </span><span class=cFE>2</span><span class=cF0>
<a name="l16"></a>
<a name="l17"></a></span><span class=cF1>class</span><span class=cF0> CSliderState
<a name="l18"></a>{
<a name="l19"></a> </span><span class=cF9>I64</span><span class=cF0> s1, s2, s3;
<a name="l20"></a> </span><span class=cF1>F64</span><span class=cF0> arg1, arg2, scale;
<a name="l21"></a>} s;
<a name="l22"></a>
<a name="l23"></a></span><span class=cF1>U0</span><span class=cF0> DrawCtrlSlider(</span><span class=cF9>CDC</span><span class=cF0> *dc, </span><span class=cF9>CCtrl</span><span class=cF0> *c)
<a name="l24"></a>{
<a name="l25"></a> CSliderState *s = c-&gt;state;
<a name="l26"></a>
<a name="l27"></a> dc-&gt;color = </span><span class=cF3>LTGREEN</span><span class=cF0>;
<a name="l28"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left, c-&gt;top, SLIDER_SPACING * </span><span class=cFE>4</span><span class=cF0> + </span><span class=cFE>3</span><span class=cF0>, SLIDER_SPACING * </span><span class=cFE>2</span><span class=cF0> + SLIDER_RANGE);
<a name="l29"></a> dc-&gt;color = </span><span class=cF3>BROWN</span><span class=cF0>;
<a name="l30"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + SLIDER_BORDER, c-&gt;top + SLIDER_BORDER,
<a name="l31"></a> SLIDER_SPACING * </span><span class=cFE>4</span><span class=cF0> + </span><span class=cFE>3</span><span class=cF0> - </span><span class=cFE>2</span><span class=cF0> * SLIDER_BORDER,
<a name="l32"></a> SLIDER_SPACING * </span><span class=cFE>2</span><span class=cF0> + SLIDER_RANGE - </span><span class=cFE>2</span><span class=cF0> * SLIDER_BORDER);
<a name="l33"></a> dc-&gt;color = </span><span class=cF3>BLACK</span><span class=cF0>;
<a name="l34"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, c-&gt;left + SLIDER_SPACING, c-&gt;top + SLIDER_SPACING,
<a name="l35"></a> c-&gt;left + SLIDER_SPACING, c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0>);
<a name="l36"></a>
<a name="l37"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>2</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>1</span><span class=cF0>, c-&gt;top + SLIDER_SPACING,
<a name="l38"></a> c-&gt;left + </span><span class=cFE>2</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>1</span><span class=cF0>, c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0>);
<a name="l39"></a>
<a name="l40"></a> </span><span class=cF5>GrLine</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>3</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>2</span><span class=cF0>, c-&gt;top + SLIDER_SPACING,
<a name="l41"></a> c-&gt;left + </span><span class=cFE>3</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>2</span><span class=cF0>, c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0>);
<a name="l42"></a>
<a name="l43"></a> dc-&gt;color = </span><span class=cF3>LTGREEN</span><span class=cF0>;
<a name="l44"></a> </span><span class=cF5>GrPrint</span><span class=cF0>(dc, c-&gt;left + SLIDER_SPACING - </span><span class=cF3>FONT_WIDTH</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>,
<a name="l45"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE + </span><span class=cFE>3</span><span class=cF0>,
<a name="l46"></a> </span><span class=cF6>&quot;%d&quot;</span><span class=cF0>, s-&gt;s1 * </span><span class=cFE>10</span><span class=cF0> / SLIDER_RANGE);
<a name="l47"></a> </span><span class=cF5>GrPrint</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>2</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>1</span><span class=cF0> - </span><span class=cF3>FONT_WIDTH</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>,
<a name="l48"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE + </span><span class=cFE>3</span><span class=cF0>,
<a name="l49"></a> </span><span class=cF6>&quot;%d&quot;</span><span class=cF0>, s-&gt;s2 * </span><span class=cFE>10</span><span class=cF0> / SLIDER_RANGE);
<a name="l50"></a> </span><span class=cF5>GrPrint</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>3</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>2</span><span class=cF0> - </span><span class=cF3>FONT_WIDTH</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>,
<a name="l51"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE + </span><span class=cFE>3</span><span class=cF0>,
<a name="l52"></a> </span><span class=cF6>&quot;%d&quot;</span><span class=cF0>, s-&gt;s3 * </span><span class=cFE>10</span><span class=cF0> / SLIDER_RANGE);
<a name="l53"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + SLIDER_SPACING - </span><span class=cFE>3</span><span class=cF0>,
<a name="l54"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - s-&gt;s1 - </span><span class=cFE>2</span><span class=cF0> , </span><span class=cFE>7</span><span class=cF0>, </span><span class=cFE>5</span><span class=cF0>);
<a name="l55"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>2</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>1</span><span class=cF0> - </span><span class=cFE>3</span><span class=cF0>,
<a name="l56"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - s-&gt;s2 - </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>7</span><span class=cF0>, </span><span class=cFE>5</span><span class=cF0>);
<a name="l57"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>3</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>2</span><span class=cF0> - </span><span class=cFE>3</span><span class=cF0>,
<a name="l58"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - s-&gt;s3 - </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>7</span><span class=cF0>, </span><span class=cFE>5</span><span class=cF0>);
<a name="l59"></a> dc-&gt;color = </span><span class=cF3>GREEN</span><span class=cF0>;
<a name="l60"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + SLIDER_SPACING - </span><span class=cFE>2</span><span class=cF0>,
<a name="l61"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - s-&gt;s1 - </span><span class=cFE>1</span><span class=cF0> , </span><span class=cFE>5</span><span class=cF0>, </span><span class=cFE>3</span><span class=cF0>);
<a name="l62"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>2</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>1</span><span class=cF0> - </span><span class=cFE>2</span><span class=cF0>,
<a name="l63"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - s-&gt;s2 - </span><span class=cFE>1</span><span class=cF0>, </span><span class=cFE>5</span><span class=cF0>, </span><span class=cFE>3</span><span class=cF0>);
<a name="l64"></a> </span><span class=cF5>GrRect</span><span class=cF0>(dc, c-&gt;left + </span><span class=cFE>3</span><span class=cF0> * SLIDER_SPACING + </span><span class=cFE>2</span><span class=cF0> - </span><span class=cFE>2</span><span class=cF0>,
<a name="l65"></a> c-&gt;top + SLIDER_SPACING + SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - s-&gt;s3 - </span><span class=cFE>1</span><span class=cF0>, </span><span class=cFE>5</span><span class=cF0>, </span><span class=cFE>3</span><span class=cF0>);
<a name="l66"></a>}
<a name="l67"></a>
<a name="l68"></a></span><span class=cF1>U0</span><span class=cF0> UpdateDerivedCtrlSlider(</span><span class=cF9>CCtrl</span><span class=cF0> *c)
<a name="l69"></a>{
<a name="l70"></a> CSliderState *s = c-&gt;state;
<a name="l71"></a>
<a name="l72"></a> c-&gt;left = c-&gt;win_task-&gt;pix_width / </span><span class=cFE>2</span><span class=cF0> - (SLIDER_SPACING * </span><span class=cFE>4</span><span class=cF0> + </span><span class=cFE>3</span><span class=cF0>) / </span><span class=cFE>2</span><span class=cF0>;
<a name="l73"></a> c-&gt;right = c-&gt;left + SLIDER_SPACING * </span><span class=cFE>4</span><span class=cF0> + </span><span class=cFE>3</span><span class=cF0>;
<a name="l74"></a> c-&gt;top = c-&gt;win_task-&gt;pix_height / </span><span class=cFE>2</span><span class=cF0> - (SLIDER_SPACING * </span><span class=cFE>2</span><span class=cF0> + SLIDER_RANGE) / </span><span class=cFE>2</span><span class=cF0>;
<a name="l75"></a> c-&gt;bottom = c-&gt;top + SLIDER_SPACING * </span><span class=cFE>2</span><span class=cF0> + SLIDER_RANGE;
<a name="l76"></a> s-&gt;s1 = </span><span class=cF5>ClampI64</span><span class=cF0>(s-&gt;s1, </span><span class=cFE>0</span><span class=cF0>, SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0>);
<a name="l77"></a> s-&gt;s2 = </span><span class=cF5>ClampI64</span><span class=cF0>(s-&gt;s2, </span><span class=cFE>0</span><span class=cF0>, SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0>);
<a name="l78"></a> s-&gt;s3 = </span><span class=cF5>ClampI64</span><span class=cF0>(s-&gt;s3, </span><span class=cFE>1</span><span class=cF0>, SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0>);
<a name="l79"></a> s-&gt;arg1 = </span><span class=cF3>pi</span><span class=cF0> / </span><span class=cFE>2</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> * s-&gt;s1 / SLIDER_RANGE;
<a name="l80"></a> s-&gt;arg2 = </span><span class=cFE>1</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> * (s-&gt;s2 - SLIDER_RANGE / </span><span class=cFE>2</span><span class=cF0>) / SLIDER_RANGE;
<a name="l81"></a> s-&gt;scale = </span><span class=cFE>2</span><span class=cF0>.</span><span class=cFE>0</span><span class=cF0> * s-&gt;s3 / SLIDER_RANGE;
<a name="l82"></a>}
<a name="l83"></a>
<a name="l84"></a></span><span class=cF1>U0</span><span class=cF0> LeftClickSlider(</span><span class=cF9>CCtrl</span><span class=cF0> *c, </span><span class=cF9>I64</span><span class=cF0> x, </span><span class=cF9>I64</span><span class=cF0> y, </span><span class=cF1>Bool</span><span class=cF0>)
<a name="l85"></a>{
<a name="l86"></a> CSliderState *s = c-&gt;state;
<a name="l87"></a>
<a name="l88"></a> </span><span class=cF1>if</span><span class=cF0> (x &lt; c-&gt;left + </span><span class=cF7>(</span><span class=cF0>c-&gt;right - c-&gt;left</span><span class=cF7>)</span><span class=cF0> / </span><span class=cFE>3</span><span class=cF0>)
<a name="l89"></a> s-&gt;s1 = SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - (y - </span><span class=cF7>(</span><span class=cF0>c-&gt;top + SLIDER_SPACING</span><span class=cF7>)</span><span class=cF0>);
<a name="l90"></a> </span><span class=cF1>else</span><span class=cF0> </span><span class=cF1>if</span><span class=cF0> (x &lt; c-&gt;left + </span><span class=cFE>2</span><span class=cF0> * </span><span class=cF7>(</span><span class=cF0>c-&gt;right - c-&gt;left</span><span class=cF7>)</span><span class=cF0> / </span><span class=cFE>3</span><span class=cF0>)
<a name="l91"></a> s-&gt;s2 = SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - (y - </span><span class=cF7>(</span><span class=cF0>c-&gt;top + SLIDER_SPACING</span><span class=cF7>)</span><span class=cF0>);
<a name="l92"></a> </span><span class=cF1>else</span><span class=cF0>
<a name="l93"></a> s-&gt;s3 = SLIDER_RANGE - </span><span class=cFE>1</span><span class=cF0> - (y - </span><span class=cF7>(</span><span class=cF0>c-&gt;top + SLIDER_SPACING</span><span class=cF7>)</span><span class=cF0>);
<a name="l94"></a> </span><span class=cF1>if</span><span class=cF0> (c-&gt;update_derived_vals)
<a name="l95"></a> (*c-&gt;update_derived_vals)(c);
<a name="l96"></a>}
<a name="l97"></a>
<a name="l98"></a></span><span class=cF9>CCtrl</span><span class=cF0> *SliderNew()
<a name="l99"></a>{
<a name="l100"></a> </span><span class=cF9>CCtrl</span><span class=cF0> *c = </span><span class=cF5>CAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CCtrl</span><span class=cF7>)</span><span class=cF0>);
<a name="l101"></a>
<a name="l102"></a> c-&gt;win_task = </span><span class=cF5>Fs</span><span class=cF0>;
<a name="l103"></a> c-&gt;flags = </span><span class=cF3>CTRLF_SHOW</span><span class=cF0> | </span><span class=cF3>CTRLF_CAPTURE_LEFT_MS</span><span class=cF0>;
<a name="l104"></a> c-&gt;type = </span><span class=cF3>CTRLT_GENERIC</span><span class=cF0>;
<a name="l105"></a> c-&gt;state = &amp;s;
<a name="l106"></a> </span><span class=cF5>MemSet</span><span class=cF0>(&amp;s, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF0>s</span><span class=cF7>)</span><span class=cF0>);
<a name="l107"></a> c-&gt;draw_it = &amp;DrawCtrlSlider;
<a name="l108"></a> c-&gt;left_click = &amp;LeftClickSlider;
<a name="l109"></a> c-&gt;update_derived_vals = &amp;UpdateDerivedCtrlSlider;
<a name="l110"></a> </span><span class=cF5>QueueInsert</span><span class=cF0>(c, </span><span class=cF5>Fs</span><span class=cF0>-&gt;last_ctrl);
<a name="l111"></a> </span><span class=cF5>TaskDerivedValsUpdate</span><span class=cF0>;
<a name="l112"></a>
<a name="l113"></a> </span><span class=cF1>return</span><span class=cF0> c;
<a name="l114"></a>}
<a name="l115"></a>
<a name="l116"></a></span><span class=cF1>U0</span><span class=cF0> SliderDel(</span><span class=cF9>CCtrl</span><span class=cF0> *c)
<a name="l117"></a>{
<a name="l118"></a> </span><span class=cF5>QueueRemove</span><span class=cF0>(c);
<a name="l119"></a> </span><span class=cF5>Free</span><span class=cF0>(c);
<a name="l120"></a>}
<a name="l121"></a>
<a name="l122"></a>
<a name="l123"></a>
<a name="l124"></a>
<a name="l125"></a></span><span class=cFA>
<a name="l126"></a>&lt;1&gt;/* Graphics Not Rendered in HTML */</span><span class=cF0>
<a name="l127"></a>
<a name="l128"></a>#</span><span class=cF1>define</span><span class=cF0> MAP_HEIGHT </span><span class=cFE>2048</span><span class=cF0>
<a name="l129"></a>#</span><span class=cF1>define</span><span class=cF0> MAP_WIDTH </span><span class=cFE>2048</span><span class=cF0>
<a name="l130"></a>
<a name="l131"></a>#</span><span class=cF1>define</span><span class=cF0> TREES_NUM </span><span class=cFE>256</span><span class=cF0>
<a name="l132"></a>
<a name="l133"></a></span><span class=cF9>I64</span><span class=cF0> tree_x[TREES_NUM], tree_y[TREES_NUM];
<a name="l134"></a>
<a name="l135"></a></span><span class=cF1>class</span><span class=cF0> MPCtrl
<a name="l136"></a>{
<a name="l137"></a> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cFB>mp_count</span><span class=cF0>;
<a name="l138"></a> </span><span class=cF9>I64</span><span class=cF0> r[</span><span class=cFE>16</span><span class=cF0>];
<a name="l139"></a> </span><span class=cF1>F64</span><span class=cF0> a;
<a name="l140"></a>
<a name="l141"></a>} mp;
<a name="l142"></a>
<a name="l143"></a></span><span class=cF9>I64</span><span class=cF0> mp_not_done_flags;
<a name="l144"></a>
<a name="l145"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>MPDrawIt</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task)
<a name="l146"></a>{
<a name="l147"></a> </span><span class=cF9>CDC</span><span class=cF0> *dc = </span><span class=cF5>DCAlias</span><span class=cF0>(</span><span class=cFB>gr</span><span class=cF0>.dc2, task);
<a name="l148"></a> </span><span class=cF9>I64</span><span class=cF0> i, lo = </span><span class=cF5>Gs</span><span class=cF0>-&gt;num * TREES_NUM / mp.</span><span class=cFB>mp_count</span><span class=cF0>, hi = (</span><span class=cF5>Gs</span><span class=cF0>-&gt;num + </span><span class=cFE>1</span><span class=cF0>) * TREES_NUM / mp.</span><span class=cFB>mp_count</span><span class=cF0>;
<a name="l149"></a>
<a name="l150"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(dc-&gt;r, mp.r, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> * </span><span class=cFE>16</span><span class=cF0>);
<a name="l151"></a> dc-&gt;flags |= </span><span class=cF3>DCF_TRANSFORMATION</span><span class=cF0>;
<a name="l152"></a> </span><span class=cF1>for</span><span class=cF0> (i = lo; i &lt; hi; i++)
<a name="l153"></a> </span><span class=cF5>Sprite3ZB</span><span class=cF0>(dc, tree_x[i], tree_y[i], </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFA>&lt;tree&gt;</span><span class=cF0>, mp.a);
<a name="l154"></a> </span><span class=cF5>DCDel</span><span class=cF0>(dc);
<a name="l155"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&amp;mp_not_done_flags, </span><span class=cF5>Gs</span><span class=cF0>-&gt;num);
<a name="l156"></a>}
<a name="l157"></a>
<a name="l158"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>DrawIt</span><span class=cF0>(</span><span class=cF9>CTask</span><span class=cF0> *task, </span><span class=cF9>CDC</span><span class=cF0> *dc)
<a name="l159"></a>{
<a name="l160"></a> </span><span class=cF9>I64</span><span class=cF0> i, h, v;
<a name="l161"></a>
<a name="l162"></a> task-&gt;horz_scroll.min = -s.scale * MAP_HEIGHT * </span><span class=cF5>Sin</span><span class=cF0>(s.arg1);
<a name="l163"></a> task-&gt;horz_scroll.max = s.scale * MAP_WIDTH * </span><span class=cF5>Cos</span><span class=cF0>(s.arg1) - task-&gt;pix_width;
<a name="l164"></a> task-&gt;vert_scroll.min = </span><span class=cFE>0</span><span class=cF0>;
<a name="l165"></a> task-&gt;vert_scroll.max = s.scale * (MAP_HEIGHT * </span><span class=cF5>Cos</span><span class=cF7>(</span><span class=cF0>s.arg1</span><span class=cF7>)</span><span class=cF0> + MAP_WIDTH * </span><span class=cF5>Sin</span><span class=cF7>(</span><span class=cF0>s.arg1</span><span class=cF7>)</span><span class=cF0>)
<a name="l166"></a> -task-&gt;pix_height;
<a name="l167"></a> </span><span class=cF5>TaskDerivedValsUpdate</span><span class=cF0>(task);
<a name="l168"></a>
<a name="l169"></a> h = task-&gt;horz_scroll.pos;
<a name="l170"></a> v = task-&gt;vert_scroll.pos;
<a name="l171"></a>
<a name="l172"></a> </span><span class=cF5>Mat4x4RotZ</span><span class=cF0>(dc-&gt;r, s.arg1);
<a name="l173"></a> </span><span class=cF5>Mat4x4Scale</span><span class=cF0>(dc-&gt;r, s.scale);
<a name="l174"></a> </span><span class=cF5>DCMat4x4Set</span><span class=cF0>(dc, dc-&gt;r);
<a name="l175"></a> </span><span class=cF5>Mat4x4TranslationEqu</span><span class=cF0>(dc-&gt;r, -h, -v, </span><span class=cFE>0</span><span class=cF0>);
<a name="l176"></a> </span><span class=cF5>MemCopy</span><span class=cF0>(mp.r, dc-&gt;r, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>I64</span><span class=cF7>)</span><span class=cF0> * </span><span class=cFE>16</span><span class=cF0>);
<a name="l177"></a> mp.a = s.arg2;
<a name="l178"></a>
<a name="l179"></a> mp_not_done_flags = </span><span class=cFE>1</span><span class=cF0> &lt;&lt; </span><span class=cFB>mp_count</span><span class=cF0> - </span><span class=cFE>1</span><span class=cF0>;
<a name="l180"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; mp.</span><span class=cFB>mp_count</span><span class=cF0>; i++)
<a name="l181"></a> </span><span class=cF5>JobQueue</span><span class=cF0>(&amp;</span><span class=cF5>MPDrawIt</span><span class=cF0>, task, i);
<a name="l182"></a> </span><span class=cF1>while</span><span class=cF0> (mp_not_done_flags)
<a name="l183"></a> </span><span class=cF5>Yield</span><span class=cF0>;
<a name="l184"></a>
<a name="l185"></a> dc-&gt;flags |= </span><span class=cF3>DCF_TRANSFORMATION</span><span class=cF0>;
<a name="l186"></a> dc-&gt;color = </span><span class=cF3>BROWN</span><span class=cF0>;
<a name="l187"></a> dc-&gt;thick = </span><span class=cFE>4</span><span class=cF0>;
<a name="l188"></a> </span><span class=cF5>GrLine3</span><span class=cF0>(dc, </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, MAP_WIDTH - </span><span class=cFE>3</span><span class=cF0>, </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>);
<a name="l189"></a> </span><span class=cF5>GrLine3</span><span class=cF0>(dc, </span><span class=cFE>2</span><span class=cF0>, MAP_HEIGHT - </span><span class=cFE>3</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, MAP_WIDTH - </span><span class=cFE>3</span><span class=cF0>, MAP_HEIGHT - </span><span class=cFE>3</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>);
<a name="l190"></a> </span><span class=cF5>GrLine3</span><span class=cF0>(dc, </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cFE>2</span><span class=cF0>, MAP_HEIGHT - </span><span class=cFE>3</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>);
<a name="l191"></a> </span><span class=cF5>GrLine3</span><span class=cF0>(dc, MAP_WIDTH - </span><span class=cFE>3</span><span class=cF0>, </span><span class=cFE>2</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>, MAP_WIDTH - </span><span class=cFE>3</span><span class=cF0>, MAP_HEIGHT - </span><span class=cFE>3</span><span class=cF0>, </span><span class=cFE>0</span><span class=cF0>);
<a name="l192"></a>}
<a name="l193"></a>
<a name="l194"></a></span><span class=cF1>U0</span><span class=cF0> Init()
<a name="l195"></a>{
<a name="l196"></a> </span><span class=cF9>I64</span><span class=cF0> i;
<a name="l197"></a>
<a name="l198"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i &lt; TREES_NUM; i++)
<a name="l199"></a> </span><span class=cF7>{</span><span class=cF0>
<a name="l200"></a> tree_x[i] = </span><span class=cF5>RandU16</span><span class=cF0> % MAP_WIDTH;
<a name="l201"></a> tree_y[i] = </span><span class=cF5>RandU16</span><span class=cF0> % MAP_HEIGHT;
<a name="l202"></a> </span><span class=cF7>}</span><span class=cF0>
<a name="l203"></a>}
<a name="l204"></a>
<a name="l205"></a></span><span class=cF1>U0</span><span class=cF0> TransformDemo(</span><span class=cF9>I64</span><span class=cF0> _mp_count=</span><span class=cFB>mp_count</span><span class=cF0>)
<a name="l206"></a>{
<a name="l207"></a> </span><span class=cF5>SettingsPush</span><span class=cF0>; </span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/System/TaskSettings.CC.html#l3"><span class=cF4>SettingsPush</span></a><span class=cF0>
<a name="l208"></a> Init;
<a name="l209"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;win_inhibit = </span><span class=cF3>WIG_TASK_DEFAULT</span><span class=cF0> -
<a name="l210"></a> </span><span class=cF3>WIF_SELF_FOCUS</span><span class=cF0> - </span><span class=cF3>WIF_SELF_BORDER</span><span class=cF0> - </span><span class=cF3>WIF_SELF_GRAB_SCROLL</span><span class=cF0> - </span><span class=cF3>WIF_FOCUS_TASK_MENU</span><span class=cF0> - </span><span class=cF3>WIF_SELF_CTRLS</span><span class=cF0>;
<a name="l211"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;draw_it = &amp;</span><span class=cF5>DrawIt</span><span class=cF0>;
<a name="l212"></a> </span><span class=cF5>WinBorder</span><span class=cF0>(</span><span class=cF3>ON</span><span class=cF0>);
<a name="l213"></a> </span><span class=cF5>DocCursor</span><span class=cF0>;
<a name="l214"></a> </span><span class=cF5>DocClear</span><span class=cF0>;
<a name="l215"></a> </span><span class=cF5>DocScroll</span><span class=cF0>;
<a name="l216"></a>
<a name="l217"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;horz_scroll.pos = </span><span class=cFE>0</span><span class=cF0>;
<a name="l218"></a> </span><span class=cF5>Fs</span><span class=cF0>-&gt;vert_scroll.pos = </span><span class=cFE>0</span><span class=cF0>;
<a name="l219"></a>
<a name="l220"></a> </span><span class=cF9>CCtrl</span><span class=cF0> *c = SliderNew;
<a name="l221"></a> s.s1 = </span><span class=cFE>0</span><span class=cF0>;
<a name="l222"></a> s.s2 = SLIDER_RANGE / </span><span class=cFE>2</span><span class=cF0>;
<a name="l223"></a> s.s3 = SLIDER_RANGE / </span><span class=cFE>2</span><span class=cF0>;
<a name="l224"></a>
<a name="l225"></a> </span><span class=cF5>MemSet</span><span class=cF0>(&amp;mp, </span><span class=cFE>0</span><span class=cF0>, </span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF0>MPCtrl</span><span class=cF7>)</span><span class=cF0>);
<a name="l226"></a> mp.</span><span class=cFB>mp_count</span><span class=cF0> = _mp_count;
<a name="l227"></a>
<a name="l228"></a> </span><span class=cF5>View</span><span class=cF0>;
<a name="l229"></a> SliderDel(c);
<a name="l230"></a> </span><span class=cF5>SettingsPop</span><span class=cF0>;
<a name="l231"></a></span><span class=cF2>//You might want to save the original state of the scroll bars.</span><span class=cF0>
<a name="l232"></a>}
<a name="l233"></a>
<a name="l234"></a>TransformDemo;
</span></pre></body>
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