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Implementing canvas drawImage API for HTML Canvas elements as image source

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This commit is contained in:
Diego Marcos 2015-03-03 18:27:39 -08:00
parent 2a9f29f382
commit e3f5a76baa
44 changed files with 1567 additions and 118 deletions
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41
tests/ref/2dcontext/drawimage_8.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<style>
html, body {
margin: 0;
}
</style>
<body>
<canvas id="dest" height="100" width="100"></canvas>
<script>
var sourceWidth = 50;
var sourceHeight = 50;
var smoothingEnabled = false;
var destCanvas = document.getElementById('dest');
var sourceCanvas = document.createElement('canvas');
sourceCanvas.width = sourceWidth;
sourceCanvas.height = sourceHeight;
var sourceCtx = sourceCanvas.getContext('2d');
sourceCtx.fillStyle = "#00FFFF";
sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
sourceCtx.fillStyle = "#000000";
sourceCtx.fillRect(5,5,40,40);
var destCtx = destCanvas.getContext('2d');
destCtx.fillStyle = "#FF0000";
destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
destCtx.imageSmoothingEnabled = smoothingEnabled;
// The source rectangle overflows the source image
// The source area is clipped to fit the source image
// and the destination are is clipped in the same proportion
destCtx.drawImage(sourceCanvas, 25, 25, 50, 50, 0, 0, 50, 50);
</script>
</body>
</html>