<! HTML
<>Canvas test..canvas .</title script ="
tests.js
<link rel="stylesheet" href="/tests/SimpleTest/body>
<body
<canvas id="c" width=script isPixelctx,rgba,, colour) java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
<script
function(, y ,,,,pos, ){
var =ctx(x ,1 )
ctxglobalCompositeOperation;
ctx.drawImage,0 )
(ctx,5 9,3,623 5,2" " 19,3,623,5;
pa.data
ok <prpr <rd&java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
g-d <= pg && pg <= g+d &&
b-d <= pb && pb <= b+d &&
a-d <= pa && pa <= a+d,
"pixel " +pos+" is " +pr+"," +pg+"," +pb+"," +pa+"; expected " +colour+" +/- " +d);
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function () {
var canvas = document.getElementById('c' );
var ctx = canvas .getContext('2d' );
var canvas2 = document.createElement('canvas' );
canvas2.width = canvas .width;
canvas2.height = canvas .height;
var ctx2 = canvas2.getContext('2d' );
ctx2.drawImage(document.getElementById('yellow75.png' ), 0, 0);
ctx.fillStyle = 'rgba(0, 255, 255, 0.5)' ;
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'hue' ;
ctx.drawImage(canvas2, 0, 0);
isPixel(ctx, 50,25, 194,230,36,223, "50,25" , "194,230,36,223" , 5);
SimpleTest.finish();
});
</script >
<img src="image_yellow75.png" id="yellow75.png" class="resource" >
Messung V0.5 C=100 H=100 G=100
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