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m (→{{header|Phix}}: added syntax colouring the hard way) |
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As-is, runs in about 2s, but can be very slow when bigger or (even worse) resize-able. |
As-is, runs in about 2s, but can be very slow when bigger or (even worse) resize-able. |
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{{libheader|Phix/pGUI}} |
{{libheader|Phix/pGUI}} |
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<lang Phix>-- |
<!--<lang Phix>(phixonline)--> |
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<span style="color: #000080;font-style:italic;">-- demo\rosetta\BrownianTree.exw</span> |
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include pGUI.e |
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<span style="color: #008080;">include</span> <span style="color: #000000;">pGUI</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span> |
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Ihandle dlg, canvas |
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<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">canvas</span> |
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cdCanvas cddbuffer, cdcanvas |
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<span style="color: #004080;">cdCanvas</span> <span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span> |
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function redraw_cb(Ihandle /*ih*/, integer /*posx*/, integer /*posy*/) |
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<span style="color: #008080;">function</span> <span style="color: #000000;">redraw_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*ih*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000080;font-style:italic;">/*posx*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000080;font-style:italic;">/*posy*/</span><span style="color: #0000FF;">)</span> |
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integer x,y,ox,oy |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">,</span><span style="color: #000000;">y</span><span style="color: #0000FF;">,</span><span style="color: #000000;">ox</span><span style="color: #0000FF;">,</span><span style="color: #000000;">oy</span> |
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integer {width, height} = IupGetIntInt(canvas, "DRAWSIZE") |
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<span style="color: #004080;">integer</span> <span style="color: #0000FF;">{</span><span style="color: #000000;">width</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">height</span><span style="color: #0000FF;">}</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupGetIntInt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"DRAWSIZE"</span><span style="color: #0000FF;">)</span> |
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sequence grid = repeat(repeat(0,width),height) |
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<span style="color: #004080;">sequence</span> <span style="color: #000000;">grid</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">repeat</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">repeat</span><span style="color: #0000FF;">(</span><span style="color: #000000;">0</span><span style="color: #0000FF;">,</span><span style="color: #000000;">width</span><span style="color: #0000FF;">),</span><span style="color: #000000;">height</span><span style="color: #0000FF;">)</span> |
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integer xy = floor(width*height*0.8) |
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<span style="color: #004080;">integer</span> <span style="color: #000000;">xy</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #000000;">width</span><span style="color: #0000FF;">*</span><span style="color: #000000;">height</span><span style="color: #0000FF;">*</span><span style="color: #000000;">0.8</span><span style="color: #0000FF;">)</span> |
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--atom t = time()+1 |
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<span style="color: #000080;font-style:italic;">--atom t = time()+1</span> |
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grid[floor(width/2)][floor(height/2)] = 1 |
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<span style="color: #000000;">grid</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #000000;">width</span><span style="color: #0000FF;">/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)][</span><span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(</span><span style="color: #000000;">height</span><span style="color: #0000FF;">/</span><span style="color: #000000;">2</span><span style="color: #0000FF;">)]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span> |
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cdCanvasActivate(cddbuffer) |
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<span style="color: #7060A8;">cdCanvasActivate</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span> |
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cdCanvasClear(cddbuffer) |
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<span style="color: #7060A8;">cdCanvasClear</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span> |
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for i=1 to xy do |
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<span style="color: #008080;">for</span> <span style="color: #000000;">i</span><span style="color: #0000FF;">=</span><span style="color: #000000;">1</span> <span style="color: #008080;">to</span> <span style="color: #000000;">xy</span> <span style="color: #008080;">do</span> |
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x = rand(width) y = rand(height) |
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<span style="color: #000000;">x</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">width</span><span style="color: #0000FF;">)</span> <span style="color: #000000;">y</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">height</span><span style="color: #0000FF;">)</span> |
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ox = x oy = y |
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<span style="color: #000000;">ox</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span> <span style="color: #000000;">oy</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span> |
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while x>=1 and x<=width |
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<span style="color: #008080;">while</span> <span style="color: #000000;">x</span><span style="color: #0000FF;">>=</span><span style="color: #000000;">1</span> <span style="color: #008080;">and</span> <span style="color: #000000;">x</span><span style="color: #0000FF;"><=</span><span style="color: #000000;">width</span> |
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and y>=1 and y<=height do |
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<span style="color: #008080;">and</span> <span style="color: #000000;">y</span><span style="color: #0000FF;">>=</span><span style="color: #000000;">1</span> <span style="color: #008080;">and</span> <span style="color: #000000;">y</span><span style="color: #0000FF;"><=</span><span style="color: #000000;">height</span> <span style="color: #008080;">do</span> |
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if grid[y][x] then |
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<span style="color: #008080;">if</span> <span style="color: #000000;">grid</span><span style="color: #0000FF;">[</span><span style="color: #000000;">y</span><span style="color: #0000FF;">][</span><span style="color: #000000;">x</span><span style="color: #0000FF;">]</span> <span style="color: #008080;">then</span> |
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grid[oy][ox] = 1 |
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<span style="color: #000000;">grid</span><span style="color: #0000FF;">[</span><span style="color: #000000;">oy</span><span style="color: #0000FF;">][</span><span style="color: #000000;">ox</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">1</span> |
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cdCanvasPixel(cddbuffer, ox, oy, #00FF00) |
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<span style="color: #7060A8;">cdCanvasPixel</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">ox</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">oy</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">#00FF00</span><span style="color: #0000FF;">)</span> |
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exit |
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<span style="color: #008080;">exit</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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ox = x x += rand(3)-2 |
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<span style="color: #000000;">ox</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">x</span> <span style="color: #000000;">x</span> <span style="color: #0000FF;">+=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">3</span><span style="color: #0000FF;">)-</span><span style="color: #000000;">2</span> |
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oy = y y += rand(3)-2 |
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<span style="color: #000000;">oy</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">y</span> <span style="color: #000000;">y</span> <span style="color: #0000FF;">+=</span> <span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #000000;">3</span><span style="color: #0000FF;">)-</span><span style="color: #000000;">2</span> |
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end while |
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<span style="color: #008080;">end</span> <span style="color: #008080;">while</span> |
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-- -- if making the canvas bigger/resizeable, |
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<span style="color: #000080;font-style:italic;">-- -- if making the canvas bigger/resizeable, |
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-- -- put this in so that you can kill it. |
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-- -- put this in so that you can kill it. |
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-- if time()>=t then |
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-- |
-- if time()>=t then |
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-- |
-- ?{i,xy} |
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-- |
-- t = time()+1 |
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end |
-- end if</span> |
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<span style="color: #008080;">end</span> <span style="color: #008080;">for</span> |
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cdCanvasFlush(cddbuffer) |
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<span style="color: #7060A8;">cdCanvasFlush</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">)</span> |
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return IUP_DEFAULT |
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<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span> |
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end function |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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function map_cb(Ihandle ih) |
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<span style="color: #008080;">function</span> <span style="color: #000000;">map_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000000;">ih</span><span style="color: #0000FF;">)</span> |
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cdcanvas = cdCreateCanvas(CD_IUP, ih) |
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<span style="color: #000000;">cdcanvas</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">cdCreateCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">CD_IUP</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">ih</span><span style="color: #0000FF;">)</span> |
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cddbuffer = cdCreateCanvas(CD_DBUFFER, cdcanvas) |
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<span style="color: #000000;">cddbuffer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">cdCreateCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">CD_DBUFFER</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">cdcanvas</span><span style="color: #0000FF;">)</span> |
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cdCanvasSetBackground(cddbuffer, CD_WHITE) |
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<span style="color: #7060A8;">cdCanvasSetBackground</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">CD_WHITE</span><span style="color: #0000FF;">)</span> |
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cdCanvasSetForeground(cddbuffer, CD_RED) |
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<span style="color: #7060A8;">cdCanvasSetForeground</span><span style="color: #0000FF;">(</span><span style="color: #000000;">cddbuffer</span><span style="color: #0000FF;">,</span> <span style="color: #004600;">CD_RED</span><span style="color: #0000FF;">)</span> |
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return IUP_DEFAULT |
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<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span> |
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end function |
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<span style="color: #008080;">end</span> <span style="color: #008080;">function</span> |
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procedure main() |
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<span style="color: #7060A8;">IupOpen</span><span style="color: #0000FF;">()</span> |
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IupOpen() |
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<span style="color: #000000;">canvas</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupCanvas</span><span style="color: #0000FF;">(</span><span style="color: #004600;">NULL</span><span style="color: #0000FF;">)</span> |
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canvas = IupCanvas(NULL) |
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<span style="color: #7060A8;">IupSetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"RASTERSIZE"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"200x200"</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- fixed size</span> |
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IupSetAttribute(canvas, "RASTERSIZE", "200x200") -- fixed size |
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<span style="color: #7060A8;">IupSetCallback</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"MAP_CB"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"map_cb"</span><span style="color: #0000FF;">))</span> |
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IupSetCallback(canvas, "MAP_CB", Icallback("map_cb")) |
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<span style="color: #000000;">dlg</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupDialog</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"RESIZE=NO"</span><span style="color: #0000FF;">)</span> |
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dlg = IupDialog(canvas, "RESIZE=NO") |
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<span style="color: #7060A8;">IupSetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"TITLE"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Brownian Tree"</span><span style="color: #0000FF;">)</span> |
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IupSetAttribute(dlg, "TITLE", "Brownian Tree") |
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<span style="color: #7060A8;">IupSetCallback</span><span style="color: #0000FF;">(</span><span style="color: #000000;">canvas</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"ACTION"</span><span style="color: #0000FF;">,</span> <span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"redraw_cb"</span><span style="color: #0000FF;">))</span> |
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IupSetCallback(canvas, "ACTION", Icallback("redraw_cb")) |
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<span style="color: #7060A8;">IupShow</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span> |
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IupMap(dlg) |
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<span style="color: #008080;">if</span> <span style="color: #7060A8;">platform</span><span style="color: #0000FF;">()!=</span><span style="color: #004600;">JS</span> <span style="color: #008080;">then</span> |
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IupShowXY(dlg,IUP_CENTER,IUP_CENTER) |
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<span style="color: #7060A8;">IupMainLoop</span><span style="color: #0000FF;">()</span> |
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IupMainLoop() |
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<span style="color: #7060A8;">IupClose</span><span style="color: #0000FF;">()</span> |
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IupClose() |
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<span style="color: #008080;">end</span> <span style="color: #008080;">if</span> |
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end procedure |
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<!--</lang>--> |
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main()</lang> |
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=={{header|PicoLisp}}== |
=={{header|PicoLisp}}== |