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https://github.com/LadybirdBrowser/ladybird
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LibWeb: Align CanvasRenderingContext2D::putImageData() with the spec
This change implements `putImageData()` with `dirtyX`, `dirtyY`, `dirtyWidth` and `dirtyHeight` arguments.
This commit is contained in:
Tim Ledbetter
committed by
Jelle Raaijmakers
Jelle Raaijmakers
parent
509c86dca0
commit
2ac4544a81
Notes:
github-actions[bot]
2025-10-21 07:53:42 +00:00
Author: https://github.com/tcl3 Commit: https://github.com/LadybirdBrowser/ladybird/commit/2ac4544a811 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6518 Reviewed-by: https://github.com/gmta ✅
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<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
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<meta charset="UTF-8">
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<title>Canvas test: 2d.imageData.put.dirty.negative</title>
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<script src="../../../../resources/testharness.js"></script>
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<script src="../../../../resources/testharnessreport.js"></script>
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<script src="../../../../html/canvas/resources/canvas-tests.js"></script>
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<link rel="stylesheet" href="../../../../html/canvas/resources/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.dirty.negative</h1>
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<p class="desc">putImageData() handles negative-sized dirty rectangles correctly</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<p class="output expectedtext">Expected output:<p><img src="../../../../images/green-100x50.png" class="output expected" id="expected" alt="">
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() handles negative-sized dirty rectangles correctly");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 20, 20)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#f00';
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ctx.fillRect(40, 20, 20, 20)
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ctx.putImageData(imgdata, 40, 20, 20, 20, -20, -20);
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_assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 35,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 65,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 50,15, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 50,45, 0,255,0,255, 2);
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});
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</script>
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<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
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<meta charset="UTF-8">
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<title>Canvas test: 2d.imageData.put.dirty.outside</title>
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<script src="../../../../resources/testharness.js"></script>
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<script src="../../../../resources/testharnessreport.js"></script>
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<script src="../../../../html/canvas/resources/canvas-tests.js"></script>
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<link rel="stylesheet" href="../../../../html/canvas/resources/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.dirty.outside</h1>
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<p class="desc">putImageData() handles dirty rectangles outside the canvas correctly</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<p class="output expectedtext">Expected output:<p><img src="../../../../images/green-100x50.png" class="output expected" id="expected" alt="">
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() handles dirty rectangles outside the canvas correctly");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50)
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ctx.putImageData(imgdata, 100, 20, 20, 20, -20, -20);
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ctx.putImageData(imgdata, 200, 200, 0, 0, 100, 50);
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ctx.putImageData(imgdata, 40, 20, -30, -20, 30, 20);
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ctx.putImageData(imgdata, -30, 20, 0, 0, 30, 20);
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_assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 98,15, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 98,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 98,45, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 1,5, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 1,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 1,45, 0,255,0,255, 2);
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});
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</script>
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@@ -0,0 +1,44 @@
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<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
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<meta charset="UTF-8">
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<title>Canvas test: 2d.imageData.put.dirty.rect1</title>
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<script src="../../../../resources/testharness.js"></script>
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<script src="../../../../resources/testharnessreport.js"></script>
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<script src="../../../../html/canvas/resources/canvas-tests.js"></script>
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<link rel="stylesheet" href="../../../../html/canvas/resources/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.dirty.rect1</h1>
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<p class="desc">putImageData() only modifies areas inside the dirty rectangle, using width and height</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<p class="output expectedtext">Expected output:<p><img src="../../../../images/green-100x50.png" class="output expected" id="expected" alt="">
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() only modifies areas inside the dirty rectangle, using width and height");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 20, 20)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#f00';
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ctx.fillRect(40, 20, 20, 20)
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ctx.putImageData(imgdata, 40, 20, 0, 0, 20, 20);
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_assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 35,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 65,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 50,15, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 50,45, 0,255,0,255, 2);
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});
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</script>
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@@ -0,0 +1,44 @@
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<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
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<meta charset="UTF-8">
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<title>Canvas test: 2d.imageData.put.dirty.rect2</title>
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<script src="../../../../resources/testharness.js"></script>
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<script src="../../../../resources/testharnessreport.js"></script>
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<script src="../../../../html/canvas/resources/canvas-tests.js"></script>
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<link rel="stylesheet" href="../../../../html/canvas/resources/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.dirty.rect2</h1>
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<p class="desc">putImageData() only modifies areas inside the dirty rectangle, using x and y</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<p class="output expectedtext">Expected output:<p><img src="../../../../images/green-100x50.png" class="output expected" id="expected" alt="">
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() only modifies areas inside the dirty rectangle, using x and y");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#0f0';
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ctx.fillRect(60, 30, 20, 20)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50)
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ctx.fillStyle = '#f00';
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ctx.fillRect(40, 20, 20, 20)
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ctx.putImageData(imgdata, -20, -10, 60, 30, 20, 20);
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_assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 35,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 65,25, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 50,15, 0,255,0,255, 2);
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_assertPixelApprox(canvas, 50,45, 0,255,0,255, 2);
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});
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</script>
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@@ -0,0 +1,33 @@
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<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
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<meta charset="UTF-8">
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<title>Canvas test: 2d.imageData.put.dirty.zero</title>
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<script src="../../../../resources/testharness.js"></script>
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<script src="../../../../resources/testharnessreport.js"></script>
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<script src="../../../../html/canvas/resources/canvas-tests.js"></script>
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<link rel="stylesheet" href="../../../../html/canvas/resources/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.dirty.zero</h1>
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<p class="desc">putImageData() with zero-sized dirty rectangle puts nothing</p>
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<p class="output expectedtext">Expected output:<p><img src="../../../../images/green-100x50.png" class="output expected" id="expected" alt="">
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() with zero-sized dirty rectangle puts nothing");
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_addTest(function(canvas, ctx) {
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ctx.fillStyle = '#f00';
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ctx.fillRect(0, 0, 100, 50)
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var imgdata = ctx.getImageData(0, 0, 100, 50);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50)
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ctx.putImageData(imgdata, 0, 0, 0, 0, 0, 0);
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_assertPixelApprox(canvas, 50,25, 0,255,0,255, 2);
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});
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</script>
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@@ -0,0 +1,109 @@
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<!DOCTYPE html>
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<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
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<meta charset="UTF-8">
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<title>Canvas test: 2d.imageData.put.nonfinite</title>
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<script src="../../../../resources/testharness.js"></script>
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<script src="../../../../resources/testharnessreport.js"></script>
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<script src="../../../../html/canvas/resources/canvas-tests.js"></script>
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<link rel="stylesheet" href="../../../../html/canvas/resources/canvas-tests.css">
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<body class="show_output">
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<h1>2d.imageData.put.nonfinite</h1>
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<p class="desc">putImageData() throws TypeError if arguments are not finite</p>
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<p class="notes">Defined in "Web IDL" (draft)
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<p class="output">Actual output:</p>
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<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<ul id="d"></ul>
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<script>
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var t = async_test("putImageData() throws TypeError if arguments are not finite");
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_addTest(function(canvas, ctx) {
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var imgdata = ctx.getImageData(0, 0, 10, 10);
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, -Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, NaN, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, -Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, NaN); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, -Infinity, 10, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, NaN, 10, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, -Infinity, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, NaN, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, -Infinity, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, NaN, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, -Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, NaN, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, -Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, NaN, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, 10, -Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, 10, NaN); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, Infinity, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, Infinity, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, Infinity, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, 10, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, 10, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, Infinity, 10, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, Infinity, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, Infinity, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, Infinity, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, 10, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, 10, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, Infinity, 10, 10, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, Infinity, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, Infinity, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, Infinity, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, 10, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, 10, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, Infinity, 10, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, Infinity, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, Infinity, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, Infinity, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, 10, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, 10, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, Infinity, 10, 10, 10, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, 10, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, Infinity, 10, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, Infinity, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, Infinity, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, Infinity, 10, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, 10, Infinity, 10); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, 10, Infinity, Infinity); });
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assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, Infinity, 10, 10, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, Infinity, 10, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, Infinity, Infinity, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, Infinity, Infinity, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, Infinity, 10, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, 10, Infinity, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, 10, Infinity, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, Infinity, 10, 10, 10, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, Infinity, 10, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, Infinity, Infinity, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, Infinity, Infinity, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, Infinity, 10, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, 10, Infinity, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, 10, Infinity, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, Infinity, 10, 10, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, Infinity, Infinity, 10); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, Infinity, Infinity, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, Infinity, 10, Infinity); });
|
||||
assert_throws_js(TypeError, function() { ctx.putImageData(imgdata, 10, 10, 10, 10, Infinity, Infinity); });
|
||||
|
||||
});
|
||||
</script>
|
||||
|
||||
Reference in New Issue
Block a user