mirror of
https://github.com/flozz/StackBlur.git
synced 2026-01-18 14:18:38 +00:00
65 lines
1.8 KiB
HTML
65 lines
1.8 KiB
HTML
<!doctype html>
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<html>
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<head>
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<title>StackBlur Demo</title>
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<style>
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html, body {
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padding: 0;
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margin: 0;
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text-align: center;
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background: #fff;
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font-family: Arial, sans-serif;
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color: #333;
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}
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canvas {
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border: #fff solid 4px;
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box-shadow: 0 0 10px rgba(0, 0, 0, .3);
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vertical-align: middle;
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}
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div {
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margin: 20px;
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}
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</style>
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</head>
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<body>
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<h1>StackBlur Demo</h1>
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<canvas id="canvas" width="200" height="200"></canvas>
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<div>
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<input type="range" min="0" max="50" value="0" id="slider" />
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</div>
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<script src="dist/stackblur.js"></script>
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<script>
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// Canvas
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var canvas = document.getElementById("canvas");
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var cctx = canvas.getContext("2d");
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var buff = document.createElement("canvas");
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buff.width = canvas.width;
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buff.height = canvas.height;
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var bctx = buff.getContext("2d");
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bctx.fillStyle = "#eee";
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bctx.fillRect(0, 0, canvas.width, canvas.height);
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bctx.fillStyle = "#08f";
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bctx.fillRect(30, 30, 120, 90);
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bctx.fillStyle = "#f04";
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bctx.beginPath();
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bctx.arc(120, 120, 50, 0, 2*Math.PI);
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bctx.fill();
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cctx.drawImage(buff, 0, 0);
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// Slider
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var slider = document.getElementById("slider");
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slider.addEventListener("change", function() {
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cctx.drawImage(buff, 0, 0);
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StackBlur.canvasRGB(canvas, 0, 0, canvas.width, canvas.height, slider.value);
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}, false);
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</script>
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</body>
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</html>
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