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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/imagebitmap_bug1239752.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/imagebitmap_bug1239752.js')
-rw-r--r-- | dom/canvas/test/imagebitmap_bug1239752.js | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/dom/canvas/test/imagebitmap_bug1239752.js b/dom/canvas/test/imagebitmap_bug1239752.js new file mode 100644 index 0000000000..42e84acdde --- /dev/null +++ b/dom/canvas/test/imagebitmap_bug1239752.js @@ -0,0 +1,106 @@ +var RGBAValues = [ + [42, 142, 23, 148], + [234, 165, 177, 91], + [74, 228, 75, 195], + [140, 108, 73, 65], + [25, 177, 3, 201], + [127, 104, 12, 199], + [196, 93, 240, 131], + [250, 121, 231, 189], + [175, 131, 215, 190], + [145, 122, 166, 70], + [18, 196, 210, 162], + [225, 1, 90, 188], + [223, 216, 182, 233], + [115, 48, 168, 56], + [50, 206, 198, 199], + [152, 28, 70, 130], + [176, 134, 133, 51], + [148, 46, 43, 144], + [78, 171, 141, 95], + [24, 177, 102, 110], + [0, 27, 127, 91], + [31, 221, 41, 170], + [85, 7, 218, 146], + [65, 30, 198, 238], + [121, 56, 123, 88], + [246, 39, 140, 146], + [174, 195, 254, 149], + [29, 153, 92, 116], + [17, 240, 5, 111], + [38, 162, 84, 143], + [237, 159, 201, 244], + [93, 68, 14, 246], + [143, 142, 82, 221], + [187, 215, 243, 154], + [24, 121, 220, 53], + [80, 153, 151, 219], + [202, 241, 250, 191], +]; + +function createOneTest(rgbaValue) { + return new Promise(function (resolve, reject) { + var tolerance = 5; + var r = rgbaValue[0]; + var g = rgbaValue[1]; + var b = rgbaValue[2]; + var a = rgbaValue[3]; + var imageData = new ImageData(new Uint8ClampedArray([r, g, b, a]), 1, 1); + + var newImageData; + createImageBitmap(imageData).then( + function (imageBitmap) { + var context = document.createElement("canvas").getContext("2d"); + context.drawImage(imageBitmap, 0, 0); + newImageData = context.getImageData(0, 0, 1, 1); + var newR = newImageData.data[0]; + var newG = newImageData.data[1]; + var newB = newImageData.data[2]; + var newA = newImageData.data[3]; + var isTheSame = + Math.abs(r - newR) <= tolerance && + Math.abs(g - newG) <= tolerance && + Math.abs(b - newB) <= tolerance && + Math.abs(a - newA) <= tolerance; + ok( + isTheSame, + "newImageData(" + + newR + + "," + + newG + + "," + + newB + + "," + + newA + + ") should equal to imageData(" + + r + + "," + + g + + "," + + b + + "," + + a + + ")." + + "Premultiplied Alpha is handled while creating ImageBitmap from ImageData." + ); + if (isTheSame) { + resolve(); + } else { + reject(); + } + }, + function () { + reject(); + } + ); + }); +} + +function testBug1239752() { + var tests = []; + for (var i = 0; i < RGBAValues.length; ++i) { + tests.push(createOneTest(RGBAValues[i])); + } + + return Promise.all(tests); +} |