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Test Info: Warnings
- This test has a WPT meta file that expects 126 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-drawImage.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE HTML>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="canvas-display-p3.js"></script>
<script>
// Test that drawing images with different bit depths and color profiles into
// sRGB and Display P3 canvases works, by reading pixels with getImageData()
// as sRGB and Display P3 values.
for (let [filename, expectedPixels] of Object.entries({...imageTests, ...svgImageTests})) {
for (let contextColorSpace of ["srgb", "display-p3"]) {
for (let imageDataColorSpace of ["srgb", "display-p3"]) {
for (let scaleImage of [false, true]) {
async_test(function(t) {
let image = new Image();
image.onload = t.step_func_done(function() {
let canvas = document.createElement("canvas");
canvas.width = 2;
canvas.height = 2;
let ctx = canvas.getContext("2d", { colorSpace: contextColorSpace });
if (scaleImage)
ctx.drawImage(image, 0, 0, 10, 10);
else
ctx.drawImage(image, 0, 0);
let imageData = ctx.getImageData(0, 0, 1, 1, { colorSpace: imageDataColorSpace });
let expected = expectedPixels[`${contextColorSpace} ${imageDataColorSpace}`];
assert_true(pixelsApproximatelyEqual(imageData.data, expected), `Actual pixel value ${[...imageData.data]} is approximately equal to ${expected}.`);
t.done();
});
image.src = `resources/${filename}`;
}, `${filename}, Context ${contextColorSpace}, ImageData ${imageDataColorSpace}, scaleImage=${scaleImage}`);
}
}
}
}
</script>