diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:33 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:33 +0000 |
commit | 086c044dc34dfc0f74fbe41f4ecb402b2cd34884 (patch) | |
tree | a4f824bd33cb075dd5aa3eb5a0a94af221bbe83a /testing/web-platform/tests/html/canvas/element/filters/2d.filter.layers.componentTransfer.table-expected.html | |
parent | Adding debian version 124.0.1-1. (diff) | |
download | firefox-086c044dc34dfc0f74fbe41f4ecb402b2cd34884.tar.xz firefox-086c044dc34dfc0f74fbe41f4ecb402b2cd34884.zip |
Merging upstream version 125.0.1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/filters/2d.filter.layers.componentTransfer.table-expected.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/filters/2d.filter.layers.componentTransfer.table-expected.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/filters/2d.filter.layers.componentTransfer.table-expected.html b/testing/web-platform/tests/html/canvas/element/filters/2d.filter.layers.componentTransfer.table-expected.html new file mode 100644 index 0000000000..0f6736d87d --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/filters/2d.filter.layers.componentTransfer.table-expected.html @@ -0,0 +1,51 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>Canvas test: 2d.filter.layers.componentTransfer.table</title> +<h1>2d.filter.layers.componentTransfer.table</h1> +<p class="desc">Test pixels on CanvasFilter() componentTransfer with table type</p> +<canvas id="canvas" width="100" height="100"> + <p class="fallback">FAIL (fallback content)</p> +</canvas> +<script> + const canvas = document.getElementById("canvas"); + const ctx = canvas.getContext('2d'); + + // From https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement + function getTransformedValue(C, V) { + // Get the right interval + const n = V.length - 1; + const k = C == 1 ? n - 1 : Math.floor(C * n); + return V[k] + (C - k/n) * n * (V[k + 1] - V[k]); + } + + function getColor(inputColor, tableValues) { + const result = [0, 0, 0]; + for (const i in inputColor) { + const C = inputColor[i]/255; + const Cprime = getTransformedValue(C, tableValues[i]); + result[i] = Math.max(0, Math.min(1, Cprime)) * 255; + } + return result; + } + + tableValuesR = [0, 0, 1, 1]; + tableValuesG = [2, 0, 0.5, 3]; + tableValuesB = [1, -1, 5, 0]; + + const inputColors = [ + [255, 255, 255], + [0, 0, 0], + [127, 0, 34], + [252, 186, 3], + [50, 68, 87], + ]; + + for (let i = 0 ; i < inputColors.length ; ++i) { + const color = inputColors[i]; + let outputColor = getColor( + color, [tableValuesR, tableValuesG, tableValuesB]); + ctx.fillStyle = `rgb(${outputColor[0]}, ${outputColor[1]}, + ${outputColor[2]})`; + ctx.fillRect(i * 10, i * 10, 10, 10); + } +</script> |