topical media & game development
#javascript-processing-example-basic-image-alphamask.htm / htm
<!DOCTYPE html>
<html><head>
<script src="javascript-processing-example-processing.js"></script>
<script src="javascript-processing-example-init.js"></script>
<link rel="stylesheet" href="javascript-processing-example-style.css">
</head><body><h1><a href="http://ejohn.org/blog/processingjs/">Processing.js</a></h1>
<h2>Alphamask</h2>
<p>Loads a "mask" for an image to specify the transparency
in different parts of the image. The two images are blended
together using the mask() method of PImage.
Created 29 April 2003.</p>
<p><a href="http://processing.org/learning/basics/alphamask.html"><b>Original Processing.org Example:</b> Alphamask</a><br>
<script type="application/processing">
PImage img;
PImage maskImg;
void setup()
{
size(200,200);
img = loadImage("test.jpg");
maskImg = loadImage("mask.jpg");
img.mask(maskImg);
}
void draw()
{
background((mouseX+mouseY)/1.5);
image(img, 50, 50);
image(img, mouseX-50, mouseY-50);
}
</script><canvas width="200" height="200"></canvas></p>
<div style="overflow: hidden; height: 0px; width: 0px;"><img src="javascript-processing-example-mask.jpg" id="mask.jpg"><img src="javascript-processing-example-test.jpg" id="test.jpg"></div>
<pre><b>// All Examples Written by <a href="http://reas.com/">Casey Reas</a> and <a href="http://benfry.com/">Ben Fry</a>
// unless otherwise stated.</b>
PImage img;
PImage maskImg;
void setup()
{
size(200,200);
img = loadImage("test.jpg");
maskImg = loadImage("mask.jpg");
img.mask(maskImg);
}
void draw()
{
background((mouseX+mouseY)/1.5);
image(img, 50, 50);
image(img, mouseX-50, mouseY-50);
}</pre>
</body></html>
(C) Æliens
20/2/2008
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