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25 lines
642 B
HTML
25 lines
642 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Cross-Domain image transfer test</title>
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</head>
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<script type="text/javascript" charset="utf-8">
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function receiver(e) {
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var dstCanvas = document.createElement('canvas');
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dstCanvas.width = e.data.image.width
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dstCanvas.height = e.data.image.height
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var dstCtx = dstCanvas.getContext('2d');
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dstCtx.drawImage(e.data.image, 0, 0)
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var imgData = dstCtx.getImageData(0, 0, dstCanvas.height, dstCanvas.width);
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result = JSON.stringify(imgData.data);
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e.source.postMessage(result, "*");
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}
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addEventListener('message', receiver, false);
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</script>
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<body>
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</body>
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</html>
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