examples/Filters.html

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>EaselJS Example: Filters test file.</title>

	<link href="../_assets/css/shared.css" rel="stylesheet" type="text/css"/>
	<link href="../_assets/css/examples.css" rel="stylesheet" type="text/css"/>
	<script src="../_assets/js/examples.js"></script>

	<script src="../lib/easeljs-NEXT.combined.js"></script>
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<script id="editable">
	var img;

	function init() {
		//wait for the image to load
		img = new Image();
		img.onload = handleImageLoad;
		img.src = "../_assets/art/flowers.jpg";
	}

	function handleImageLoad() {
		//find canvas and load images, wait for last image to load
		var canvas = document.getElementById("testCanvas");

		// create a new stage and point it at our canvas:
		stage = new createjs.Stage(canvas);

		var bmp = new createjs.Bitmap(img).set({scaleX: 0.5, scaleY: 0.5});
		stage.addChild(bmp);

		var colorMatrix = new createjs.ColorMatrix();
		colorMatrix.adjustSaturation(-100);
		colorMatrix.adjustContrast(50);
		var blackAndWhiteFilter = new createjs.ColorMatrixFilter(colorMatrix);
		bmp = bmp.clone();
		// filters are only displayed when the display object is cached
		// later, you can call updateCache() to update changes to your filters
		bmp.filters = [blackAndWhiteFilter];
		bmp.cache(0, 0, img.width, img.height);
		bmp.x = 480;
		stage.addChild(bmp);

		var blurFilter = new createjs.BlurFilter(64, 0, 1);
		bmp = bmp.clone();
		bmp.filters = [blurFilter];
		bmp.cache(0, 0, img.width, img.height);
		bmp.y = 200;
		stage.addChild(bmp);

		var removeRedFilter = new createjs.ColorFilter(0.25, 0.75, 1, 1); // red, green, blue, alpha
		bmp = bmp.clone();
		bmp.filters = [removeRedFilter];
		bmp.cache(0, 0, img.width, img.height);
		bmp.x = 0;
		stage.addChild(bmp);

		var frame = new createjs.Shape();
		frame.graphics.setStrokeStyle(10).beginStroke("#000")
				.moveTo(480, 0).lineTo(480, 400)
				.moveTo(0, 200).lineTo(960, 200);
		frame.compositeOperation = "destination-out"; // punch the frame out.
		stage.addChild(frame);

		// draw to the canvas:
		stage.update();
	}

</script>
</head>

<body onload="init();">
<header class="EaselJS">
	<h1>Filters</h1>

	<p>Demonstrates using filters. Top-left: original. Top-right: <code>ColorMatrixFilter</code>.
		Bottom-left: <code>ColorFilter</code>. Bottom-right:
		<code>BlurFilter</code>.</p>
</header>

<div>
	<canvas id="testCanvas" width="960" height="400"
			style="background:none;"></canvas>
</div>
</body>
</html>