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With the newly supported fuzzy matching in our test-web runner, we can now define the expected maximum color channel and pixel count errors per failing test and set a baseline they should not exceed. The figures I added to these tests all come from my macOS M4 machine. Most discrepancies seem to come from color calculations being slightly off.
33 lines
735 B
HTML
33 lines
735 B
HTML
<!DOCTYPE html>
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<link rel="match" href="../expected/canvas-shadow-ref.html" />
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<meta name="fuzzy" content="maxDifference=0-1;totalPixels=0-809">
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<style>
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* {
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margin: 0;
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}
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body {
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background-color: white;
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}
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</style>
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<canvas width=800 height=600></canvas>
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<script>
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const canvas = document.querySelector("canvas");
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const ctx = canvas.getContext("2d");
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// Shadow
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ctx.shadowColor = "LightCoral";
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ctx.shadowOffsetX = 15;
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ctx.shadowOffsetY = 15;
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ctx.shadowBlur = 5;
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// Filled rectangle
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ctx.fillStyle = "red";
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ctx.fillRect(20, 10, 100, 100);
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// Stroked rectangle
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ctx.lineWidth = 4;
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ctx.strokeStyle = "red";
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ctx.strokeRect(170, 10, 100, 100);
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</script>
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