diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.html | 53 |
1 files changed, 19 insertions, 34 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.html b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.html index 64c30fc417..b262f3b1d3 100644 --- a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.html +++ b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.gamma.tentative.html @@ -1,41 +1,27 @@ <!DOCTYPE html> <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> -<title>OffscreenCanvas test: 2d.filter.canvasFilterObject.componentTransfer.gamma.tentative</title> -<script src="/resources/testharness.js"></script> -<script src="/resources/testharnessreport.js"></script> -<script src="/html/canvas/resources/canvas-tests.js"></script> - +<link rel="match" href="2d.filter.canvasFilterObject.componentTransfer.gamma.tentative-expected.html"> +<meta name=fuzzy content="maxDifference=0-2; totalPixels=0-500"> +<title>Canvas test: 2d.filter.canvasFilterObject.componentTransfer.gamma.tentative</title> <h1>2d.filter.canvasFilterObject.componentTransfer.gamma.tentative</h1> <p class="desc">Test pixels on CanvasFilter() componentTransfer with gamma type</p> - - +<canvas id="canvas" width="100" height="100"> + <p class="fallback">FAIL (fallback content)</p> +</canvas> <script> -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 canvas = new OffscreenCanvas(100, 100); + const ctx = canvas.getContext('2d'); 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]}, + 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 = [ @@ -46,13 +32,12 @@ t.step(function() { [50, 68, 87], ]; - for (const color of inputColors) { - let outputColor = getColor(color, amplitudes, exponents, offsets); + for (let i = 0 ; i < inputColors.length ; ++i) { + const color = inputColors[i]; 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); + ctx.fillRect(i * 10, i * 10, 10, 10); } - t.done(); -}); + const outputCanvas = document.getElementById("canvas"); + outputCanvas.getContext('2d').drawImage(canvas, 0, 0); </script> |