From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- ....componentTransfer.discrete.tentative.worker.js | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.discrete.tentative.worker.js (limited to 'testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.discrete.tentative.worker.js') diff --git a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.discrete.tentative.worker.js b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.discrete.tentative.worker.js new file mode 100644 index 0000000000..0a7752bf13 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.canvasFilterObject.componentTransfer.discrete.tentative.worker.js @@ -0,0 +1,62 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.filter.canvasFilterObject.componentTransfer.discrete.tentative +// Description:Test pixels on CanvasFilter() componentTransfer with discrete type +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t = async_test("Test pixels on CanvasFilter() componentTransfer with discrete 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 getTransformedValue(C, V) { + // Get the right interval + const n = V.length; + const k = C == 1 ? n - 1 : Math.floor(C * n); + return 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]; + ctx.filter = new CanvasFilter({filter: 'componentTransfer', + funcR: {type: 'discrete', tableValues: tableValuesR}, + funcG: {type: 'discrete', tableValues: tableValuesG}, + funcB: {type: 'discrete', tableValues: tableValuesB}, + }); + + 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, [tableValuesR, tableValuesG, tableValuesB]); + 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(); -- cgit v1.2.3