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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/test_2d.composite.canvas.overlay.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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/test_2d.composite.canvas.overlay.html')
| -rw-r--r-- | dom/canvas/test/test_2d.composite.canvas.overlay.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/dom/canvas/test/test_2d.composite.canvas.overlay.html b/dom/canvas/test/test_2d.composite.canvas.overlay.html new file mode 100644 index 0000000000..c3eaaa7819 --- /dev/null +++ b/dom/canvas/test/test_2d.composite.canvas.overlay.html @@ -0,0 +1,44 @@ +<!DOCTYPE HTML>
+<title>Canvas test: 2d.composite.canvas.xor</title>
+<script src="/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" href="/tests/SimpleTest/test.css">
+<body>
+<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
+<script>
+function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
+ var pixel = ctx.getImageData(x, y, 1, 1);
+ var pr = pixel.data[0],
+ pg = pixel.data[1],
+ pb = pixel.data[2],
+ pa = pixel.data[3];
+ ok(r-d <= pr && pr <= r+d &&
+ g-d <= pg && pg <= g+d &&
+ b-d <= pb && pb <= b+d &&
+ a-d <= pa && pa <= a+d,
+ "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
+}
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(function () {
+
+var canvas = document.getElementById('c');
+var ctx = canvas.getContext('2d');
+
+
+var canvas2 = document.createElement('canvas');
+canvas2.width = canvas.width;
+canvas2.height = canvas.height;
+var ctx2 = canvas2.getContext('2d');
+ctx2.drawImage(document.getElementById('yellow75.png'), 0, 0);
+ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
+ctx.fillRect(0, 0, 100, 50);
+ctx.globalCompositeOperation = 'overlay';
+ctx.drawImage(canvas2, 0, 0);
+isPixel(ctx, 50,25, 108,255,146,223, "50,25", "108,255,146,223", 5);
+
+SimpleTest.finish();
+
+});
+</script>
+<img src="image_yellow75.png" id="yellow75.png" class="resource">
+
|