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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/canvas/test/imagebitmap_structuredclone_utils.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/imagebitmap_structuredclone_utils.js')
-rw-r--r--dom/canvas/test/imagebitmap_structuredclone_utils.js200
1 files changed, 200 insertions, 0 deletions
diff --git a/dom/canvas/test/imagebitmap_structuredclone_utils.js b/dom/canvas/test/imagebitmap_structuredclone_utils.js
new file mode 100644
index 0000000000..c337fd53ab
--- /dev/null
+++ b/dom/canvas/test/imagebitmap_structuredclone_utils.js
@@ -0,0 +1,200 @@
+var gImage1;
+var gImage2;
+var gImageBitmap1;
+var gImageBitmap2;
+
+// Bug 1239752.
+var gImageData;
+var gImageBitmap3;
+
+function comparePixelColor(
+ testImgageData,
+ groundTruthImageData,
+ x,
+ y,
+ tolerance,
+ info
+) {
+ ok(
+ testImgageData.width == groundTruthImageData.width &&
+ testImgageData.height == groundTruthImageData.height,
+ "testImgageData and groundTruthImageData should have the same dimension."
+ );
+
+ var index = (groundTruthImageData.width * y + x) * 4;
+ var r = groundTruthImageData.data[index + 0];
+ var g = groundTruthImageData.data[index + 1];
+ var b = groundTruthImageData.data[index + 2];
+ var a = groundTruthImageData.data[index + 3];
+ var newR = testImgageData.data[index + 0];
+ var newG = testImgageData.data[index + 1];
+ var newB = testImgageData.data[index + 2];
+ var newA = testImgageData.data[index + 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,
+ "[" +
+ info +
+ "] " +
+ "newImageData(" +
+ newR +
+ "," +
+ newG +
+ "," +
+ newB +
+ "," +
+ newA +
+ ") should equal to imageData(" +
+ r +
+ "," +
+ g +
+ "," +
+ b +
+ "," +
+ a +
+ ")."
+ );
+}
+
+function compareImageBitmapWithImageElement(imageBitmap, imageElement) {
+ var canvas1 = document.createElement("canvas");
+ var canvas2 = document.createElement("canvas");
+
+ canvas1.width = imageElement.naturalWidth;
+ canvas1.height = imageElement.naturalHeight;
+ canvas2.width = imageElement.naturalWidth;
+ canvas2.height = imageElement.naturalHeight;
+
+ var ctx1 = canvas1.getContext("2d");
+ var ctx2 = canvas2.getContext("2d");
+
+ ctx1.drawImage(imageElement, 0, 0);
+ ctx2.drawImage(imageBitmap, 0, 0);
+
+ document.body.appendChild(canvas1);
+ document.body.appendChild(canvas2);
+
+ var imageData1 = ctx1.getImageData(0, 0, canvas1.width, canvas1.height);
+ var imageData2 = ctx2.getImageData(0, 0, canvas2.width, canvas2.height);
+
+ // Create an array of pixels that is going to be tested.
+ var pixels = [];
+ var xGap = imageElement.naturalWidth / 4;
+ var yGap = imageElement.naturalHeight / 4;
+ for (var y = 0; y < imageElement.naturalHeight; y += yGap) {
+ for (var x = 0; x < imageElement.naturalWidth; x += xGap) {
+ pixels.push({ x, y });
+ }
+ }
+
+ // Also, put the button-right pixel into pixels.
+ pixels.push({
+ x: imageElement.naturalWidth - 1,
+ y: imageElement.naturalHeight - 1,
+ });
+
+ // Do the test.
+ for (var pixel of pixels) {
+ comparePixelColor(imageData2, imageData1, pixel.x, pixel.y, 0);
+ }
+}
+
+function compareImageBitmapWithImageData(imageBitmap, imageData, info) {
+ var canvas1 = document.createElement("canvas");
+
+ canvas1.width = imageBitmap.width;
+ canvas1.height = imageBitmap.height;
+
+ var ctx1 = canvas1.getContext("2d");
+
+ ctx1.drawImage(imageBitmap, 0, 0);
+
+ document.body.appendChild(canvas1);
+
+ var imageData1 = ctx1.getImageData(0, 0, canvas1.width, canvas1.height);
+
+ // Create an array of pixels that is going to be tested.
+ var pixels = [];
+ var xGap = imageBitmap.width / 4;
+ var yGap = imageBitmap.height / 4;
+ for (var y = 0; y < imageBitmap.height; y += yGap) {
+ for (var x = 0; x < imageBitmap.width; x += xGap) {
+ pixels.push({ x, y });
+ }
+ }
+
+ // Also, put the button-right pixel into pixels.
+ pixels.push({ x: imageBitmap.width - 1, y: imageBitmap.height - 1 });
+
+ // Do the test.
+ for (var pixel of pixels) {
+ comparePixelColor(imageData1, imageData, pixel.x, pixel.y, 5, info);
+ }
+}
+
+function prepareImageBitmaps() {
+ gImage1 = document.createElement("img");
+ gImage2 = document.createElement("img");
+ gImage1.src = "image_rgrg-256x256.png";
+ gImage2.src = "image_yellow.png";
+
+ var p1 = new Promise(function (resolve, reject) {
+ gImage1.onload = function () {
+ var promise = createImageBitmap(gImage1);
+ promise.then(function (bitmap) {
+ gImageBitmap1 = bitmap;
+ resolve(true);
+ });
+ };
+ });
+
+ var p2 = new Promise(function (resolve, reject) {
+ gImage2.onload = function () {
+ var promise = createImageBitmap(gImage2);
+ promise.then(function (bitmap) {
+ gImageBitmap2 = bitmap;
+ resolve(true);
+ });
+ };
+ });
+
+ var p3 = new Promise(function (resolve, reject) {
+ // Create an ImageData with random colors.
+ var width = 5;
+ var height = 10;
+ var data = [
+ 43, 143, 24, 148, 235, 165, 179, 91, 74, 228, 75, 195, 141, 109, 74, 65,
+ 25, 177, 3, 201, 128, 105, 12, 199, 196, 93, 241, 131, 250, 121, 232, 189,
+ 175, 131, 216, 190, 145, 123, 167, 70, 18, 196, 210, 162, 225, 1, 90, 188,
+ 223, 216, 182, 233, 118, 50, 168, 56, 51, 206, 198, 199, 153, 29, 70, 130,
+ 180, 135, 135, 51, 148, 46, 44, 144, 80, 171, 142, 95, 25, 178, 102, 110,
+ 0, 28, 128, 91, 31, 222, 42, 170, 85, 8, 218, 146, 65, 30, 198, 238, 121,
+ 57, 124, 88, 246, 40, 141, 146, 174, 195, 255, 149, 30, 153, 92, 116, 18,
+ 241, 6, 111, 39, 162, 85, 143, 237, 159, 201, 244, 93, 68, 14, 246, 143,
+ 143, 83, 221, 187, 215, 243, 154, 24, 125, 221, 53, 80, 153, 151, 219,
+ 202, 241, 250, 191, 153, 129, 181, 57, 94, 18, 136, 231, 41, 252, 168,
+ 207, 213, 103, 118, 172, 53, 213, 184, 204, 25, 29, 249, 199, 101, 55, 49,
+ 167, 25, 23, 173, 78, 19, 234, 205, 155, 250, 175, 44, 201, 215, 92, 25,
+ 59, 25, 29, 249, 199, 153, 129, 181, 57,
+ ];
+
+ gImageData = new ImageData(new Uint8ClampedArray(data), width, height);
+
+ // Create an ImageBitmap from the above ImageData.
+ createImageBitmap(gImageData).then(
+ bitmap => {
+ gImageBitmap3 = bitmap;
+ resolve(true);
+ },
+ () => {
+ reject();
+ }
+ );
+ });
+
+ return Promise.all([p1, p2, p3]);
+}