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Ingy döt Net 2023-07-01 11:58:00 -04:00
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(phixonline)-->
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
<span style="color: #000080;font-style:italic;">-- Some colour constants:</span>
<span style="color: #008080;">constant</span> <span style="color: #000000;">black</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">#000000</span><span style="color: #0000FF;">,</span>
<span style="color: #000080;font-style:italic;">-- blue = #0000FF,
-- green = #00FF00,
-- red = #FF0000,</span>
<span style="color: #000000;">white</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">#FFFFFF</span>
<span style="color: #000080;font-style:italic;">-- Create new image filled with some colour</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">new_image</span><span style="color: #0000FF;">(</span><span style="color: #004080;">integer</span> <span style="color: #000000;">width</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000000;">height</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">integer</span> <span style="color: #000000;">fill_colour</span><span style="color: #0000FF;">=</span><span style="color: #000000;">black</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">return</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;">fill_colour</span><span style="color: #0000FF;">,</span><span style="color: #000000;">height</span><span style="color: #0000FF;">),</span><span style="color: #000000;">width</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #000080;font-style:italic;">-- Usage example:</span>
<span style="color: #004080;">sequence</span> <span style="color: #000000;">image</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">new_image</span><span style="color: #0000FF;">(</span><span style="color: #000000;">800</span><span style="color: #0000FF;">,</span><span style="color: #000000;">600</span><span style="color: #0000FF;">)</span>
<span style="color: #000080;font-style:italic;">-- Set pixel color:</span>
<span style="color: #000000;">image</span><span style="color: #0000FF;">[</span><span style="color: #000000;">400</span><span style="color: #0000FF;">][</span><span style="color: #000000;">300</span><span style="color: #0000FF;">]</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">white</span>
<span style="color: #000080;font-style:italic;">-- Get pixel color</span>
<span style="color: #004080;">integer</span> <span style="color: #000000;">colour</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">image</span><span style="color: #0000FF;">[</span><span style="color: #000000;">400</span><span style="color: #0000FF;">][</span><span style="color: #000000;">300</span><span style="color: #0000FF;">]</span> <span style="color: #000080;font-style:italic;">-- Now colour is #FFFFFF</span>
<!--