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Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-pattern-image.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-pattern-image.html | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-pattern-image.html b/testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-pattern-image.html new file mode 100644 index 0000000000..75a8392c02 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-pattern-image.html @@ -0,0 +1,37 @@ +<!DOCTYPE HTML> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="canvas-display-p3.js"></script> +<script> +// Test that patterns created from images with different bit depths and color +// profiles into can be drawn into sRGB and Display P3 canvases, by reading +// pixels with getImageData() as sRGB and Display P3 values. +for (let [filename, expectedPixels] of Object.entries(imageTests)) { + for (let contextColorSpace of ["srgb", "display-p3"]) { + for (let imageDataColorSpace of ["srgb", "display-p3"]) { + async_test(function(t) { + let image = new Image(); + image.onload = t.step_func_done(function() { + + let canvas = document.createElement("canvas"); + canvas.width = 4; + canvas.height = 4; + + let ctx = canvas.getContext("2d", { colorSpace: contextColorSpace }); + ctx.fillStyle = ctx.createPattern(image, "repeat"); + ctx.fillRect(0, 0, 4, 4); + + let imageData = ctx.getImageData(2, 2, 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}`); + } + } +} +</script> |