mirror of
https://github.com/sorenisanerd/gotty.git
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72 lines
2.6 KiB
HTML
72 lines
2.6 KiB
HTML
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<html>
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<head>
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<title>Test SWCanvas</title>
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<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
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<script src="swcanvas.js"></script>
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<script>
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$( window ).load(function() {
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var img = new Image();
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img.src = 'cat.jpg';
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img.onload = function() {
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var canvas = $('#canvas')[0];
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var ctx = canvas.getContext('2d');
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ctx.drawImage(this, 0, 0);
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//extract subimage
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var imgDataOriginal = ctx.getImageData(10, 10, 100, 100);
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//swcanvas!
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var swcanvas = new SWCanvas(canvas);
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//the canvas is already filled, so flushback to fill it with the canvas
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swcanvas.flushBack();
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//check getImageData
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var imgDataSW = swcanvas.getImageData(10, 10, 100, 100);
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$('#canvasOriginal')[0].getContext('2d').putImageData(imgDataOriginal, 0, 0);
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$('#canvasSW')[0].getContext('2d').putImageData(imgDataSW, 0, 0);
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$('#canvasOriginalPut')[0].getContext('2d').putImageData(imgDataOriginal, 100, 100);
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//another swcanvas
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var swcanvasput = new SWCanvas($('#canvasSWPut')[0]);
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swcanvasput.flushBack();
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swcanvasput.putImageData(imgDataOriginal, 100, 100);
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swcanvasput.flush();
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//fillrect
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var ctxFill = $('#canvasOriginalFill')[0].getContext('2d');
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ctxFill.fillStyle = 'red';
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ctxFill.fillRect(100, 100, 100, 100);
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//fill sw
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var swcanvasFill = new SWCanvas($('#canvasSWFill')[0]);
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swcanvasFill.flushBack();
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swcanvasFill.fillRect(255, 0, 0, 100, 100, 100, 100);
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swcanvasFill.flush();
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}
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});
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</script>
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</head>
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<body>
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cat:
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<canvas id="canvas" width="300" height="300"></canvas>
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original:
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<canvas id="canvasOriginal" width="100" height="100"></canvas>
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sw:
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<canvas id="canvasSW" width="100" height="100"></canvas>
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original putimagedata:
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<canvas id="canvasOriginalPut" width="300" height="300" style="border:1px solid red"></canvas>
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sw putimagedata:
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<canvas id="canvasSWPut" width="300" height="300" style="border:1px solid red"></canvas>
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<br/><br/><br/><br/>
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original fillrect:
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<canvas id="canvasOriginalFill" width="300" height="300" style="border:1px solid blue"></canvas>
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sw fillrect:
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<canvas id="canvasSWFill" width="300" height="300" style="border:1px solid blue"></canvas>
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</body>
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</html>
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