diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.layers.componentTransfer.linear.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.layers.componentTransfer.linear.html | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.layers.componentTransfer.linear.html b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.layers.componentTransfer.linear.html new file mode 100644 index 0000000000..f418b72ad5 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/filters/2d.filter.layers.componentTransfer.linear.html @@ -0,0 +1,40 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<link rel="match" href="2d.filter.layers.componentTransfer.linear-expected.html"> +<meta name=fuzzy content="maxDifference=0-2; totalPixels=0-500"> +<title>Canvas test: 2d.filter.layers.componentTransfer.linear</title> +<h1>2d.filter.layers.componentTransfer.linear</h1> +<p class="desc">Test pixels on CanvasFilter() componentTransfer with linear type</p> +<canvas id="canvas" width="100" height="100"> + <p class="fallback">FAIL (fallback content)</p> +</canvas> +<script> + const canvas = new OffscreenCanvas(100, 100); + const ctx = canvas.getContext('2d'); + + const slopes = [0.5, 1.2, -0.2]; + const intercepts = [0.25, 0, 0.5]; + ctx.beginLayer({filter: {name: 'componentTransfer', + funcR: {type: 'linear', slope: slopes[0], intercept: intercepts[0]}, + funcG: {type: 'linear', slope: slopes[1], intercept: intercepts[1]}, + funcB: {type: 'linear', slope: slopes[2], intercept: intercepts[2]}, + }}); + + 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]; + ctx.fillStyle = `rgb(${color[0]}, ${color[1]}, ${color[2]})`; + ctx.fillRect(i * 10, i * 10, 10, 10); + } + ctx.endLayer(); + + const outputCanvas = document.getElementById("canvas"); + outputCanvas.getContext('2d').drawImage(canvas, 0, 0); +</script> |