diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.negativedir.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.negativedir.worker.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.negativedir.worker.js b/testing/web-platform/tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.negativedir.worker.js new file mode 100644 index 0000000000..c82b9ba1be --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/drawing-images-to-the-canvas/2d.drawImage.negativedir.worker.js @@ -0,0 +1,33 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.drawImage.negativedir +// Description:Negative dimensions do not affect the direction of the image +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +promise_test(async t => { + + var canvas = new OffscreenCanvas(100, 50); + 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); + t.done(); +}, "Negative dimensions do not affect the direction of the image"); +done(); |