59 lines
2.0 KiB
HTML
59 lines
2.0 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<html>
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<head>
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<script src="../../resources/js-test-pre.js"></script>
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</head>
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<body>
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<script>
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descriptionQuiet("Series of tests to ensure that fillText() does not display any text when maxWidth is invalid.");
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var canvas = document.createElement('canvas');
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var ctx = canvas.getContext('2d');
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var canvasWidth = 100;
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var canvasHeight = 50;
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canvas.setWidth = canvasWidth;
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canvas.setHeight = canvasHeight;
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, canvasWidth, canvasHeight);
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ctx.font = '35px Arial, sans-serif';
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debug("Test canvas.fillText() with maxWidth zero");
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ctx.fillStyle = '#f00';
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ctx.fillText("fail fail fail fail fail", 5, 35, 0);
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var imageData = ctx.getImageData(0, 0, canvasWidth, canvasHeight);
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var w = imageData.width, h = imageData.height, d = imageData.data;
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for (var i = 0; i < h; ++i) {
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for (var j = 0; j < w; ++j) {
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if (d[4 * (w * i + j) + 0] != 0) shouldBe("d[4 * (w * i + j) + 0]", "0");
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if (d[4 * (w * i + j) + 1] != 255) shouldBe("d[4 * (w * i + j) + 1]", "255");
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if (d[4 * (w * i + j) + 2] != 0) shouldBe("d[4 * (w * i + j) + 2]", "0");
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if (d[4 * (w * i + j) + 3] != 255) shouldBe("d[4 * (w * i + j) + 3]", "255");
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}
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}
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, canvasWidth, canvasHeight);
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debug("Test canvas.fillText() with maxWidth -1");
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ctx.fillStyle = '#f00';
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ctx.fillText("fail fail fail fail fail", 5, 35, -1);
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var imageData = ctx.getImageData(0, 0, canvasWidth, canvasHeight);
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var w = imageData.width, h = imageData.height, d = imageData.data;
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for (var i = 0; i < h; ++i) {
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for (var j = 0; j < w; ++j) {
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if (d[4 * (w * i + j) + 0] != 0) shouldBe("d[4 * (w * i + j) + 0]", "0");
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if (d[4 * (w * i + j) + 1] != 255) shouldBe("d[4 * (w * i + j) + 1]", "255");
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if (d[4 * (w * i + j) + 2] != 0) shouldBe("d[4 * (w * i + j) + 2]", "0");
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if (d[4 * (w * i + j) + 3] != 255) shouldBe("d[4 * (w * i + j) + 3]", "255");
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}
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}
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</script>
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<script src="../../resources/js-test-post.js"></script>
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</body>
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</html>
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