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Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/drawing-images-to-the-canvas/2d.drawImage.negativedir.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/drawing-images-to-the-canvas/2d.drawImage.negativedir.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/drawing-images-to-the-canvas/2d.drawImage.negativedir.html b/testing/web-platform/tests/html/canvas/element/drawing-images-to-the-canvas/2d.drawImage.negativedir.html new file mode 100644 index 0000000000..281da9a573 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/drawing-images-to-the-canvas/2d.drawImage.negativedir.html @@ -0,0 +1,44 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>Canvas test: 2d.drawImage.negativedir</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> +<body class="show_output"> + +<h1>2d.drawImage.negativedir</h1> +<p class="desc">Negative dimensions do not affect the direction of the image</p> + + +<p class="output">Actual output:</p> +<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> +<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt=""> +<ul id="d"></ul> +<script> +promise_test(async t => { + + var canvas = document.getElementById('c'); + var ctx = canvas.getContext('2d'); + + ctx.fillStyle = '#f00'; + ctx.fillRect(0, 0, 100, 50); + const response = await fetch('/images/ggrr-256x256.png'); + const blob = await response.blob(); + const bitmap = await createImageBitmap(blob); + ctx.drawImage(bitmap, 0, 178, 50, -100, 0, 0, 50, 100); + ctx.drawImage(bitmap, 0, 78, 50, 100, 50, 100, 50, -100); + _assertPixelApprox(canvas, 1,1, 0,255,0,255, 2); + _assertPixelApprox(canvas, 1,48, 0,255,0,255, 2); + _assertPixelApprox(canvas, 98,1, 0,255,0,255, 2); + _assertPixelApprox(canvas, 98,48, 0,255,0,255, 2); + _assertPixelApprox(canvas, 48,1, 0,255,0,255, 2); + _assertPixelApprox(canvas, 48,48, 0,255,0,255, 2); + _assertPixelApprox(canvas, 51,1, 0,255,0,255, 2); + _assertPixelApprox(canvas, 51,48, 0,255,0,255, 2); + _assertPixelApprox(canvas, 25,25, 0,255,0,255, 2); + _assertPixelApprox(canvas, 75,25, 0,255,0,255, 2); + +}, "Negative dimensions do not affect the direction of the image"); +</script> + |