diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.worker.js | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.worker.js b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.worker.js deleted file mode 100644 index d59bc699df..0000000000 --- a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.worker.js +++ /dev/null @@ -1,53 +0,0 @@ -// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -// OffscreenCanvas test in a worker:2d.filter.canvasFilterObject.componentTransfer.gamma.tentative -// Description:Test pixels on CanvasFilter() componentTransfer with gamma type -// Note: - -importScripts("/resources/testharness.js"); -importScripts("/html/canvas/resources/canvas-tests.js"); - -var t = async_test("Test pixels on CanvasFilter() componentTransfer with gamma type"); -var t_pass = t.done.bind(t); -var t_fail = t.step_func(function(reason) { - throw reason; -}); -t.step(function() { - - var canvas = new OffscreenCanvas(100, 50); - var ctx = canvas.getContext('2d'); - - // From https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement - function getColor(inputColor, amplitude, exponent, offset) { - return [ - Math.max(0, Math.min(1, Math.pow(inputColor[0]/255, exponent[0]) * amplitude[0] + offset[0])) * 255, - Math.max(0, Math.min(1, Math.pow(inputColor[1]/255, exponent[1]) * amplitude[1] + offset[1])) * 255, - Math.max(0, Math.min(1, Math.pow(inputColor[2]/255, exponent[2]) * amplitude[2] + offset[2])) * 255, - ]; - } - - const amplitudes = [2, 1.1, 0.5]; - const exponents = [5, 3, 1]; - const offsets = [0.25, 0, 0.5]; - ctx.filter = new CanvasFilter({name: 'componentTransfer', - funcR: {type: 'gamma', amplitude: amplitudes[0], exponent: exponents[0], offset: offsets[0]}, - funcG: {type: 'gamma', amplitude: amplitudes[1], exponent: exponents[1], offset: offsets[1]}, - funcB: {type: 'gamma', amplitude: amplitudes[2], exponent: exponents[2], offset: offsets[2]}, - }); - - const inputColors = [ - [255, 255, 255], - [0, 0, 0], - [127, 0, 34], - [252, 186, 3], - [50, 68, 87], - ]; - - for (const color of inputColors) { - let outputColor = getColor(color, amplitudes, exponents, offsets); - ctx.fillStyle = `rgb(${color[0]}, ${color[1]}, ${color[2]})`; - ctx.fillRect(0, 0, 10, 10); - _assertPixelApprox(canvas, 5, 5, outputColor[0],outputColor[1],outputColor[2],255, 2); - } - t.done(); -}); -done(); |