diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/manual/filters/tentative/idl-conversions/canvas-filter-boolean-conversion-expected.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/manual/filters/tentative/idl-conversions/canvas-filter-boolean-conversion-expected.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/manual/filters/tentative/idl-conversions/canvas-filter-boolean-conversion-expected.html b/testing/web-platform/tests/html/canvas/element/manual/filters/tentative/idl-conversions/canvas-filter-boolean-conversion-expected.html new file mode 100644 index 0000000000..f043b0e762 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/manual/filters/tentative/idl-conversions/canvas-filter-boolean-conversion-expected.html @@ -0,0 +1,30 @@ +<body> + <canvas id="canvas" width="300" height="300"></canvas> +</body> +<script> + var ctx = document.getElementById('canvas').getContext('2d'); + + // preserveAlpha for convolveMatrix is the only boolean so far implemented + function drawWithConvolveFilter(x, y, preserveAlphaValue) { + ctx.filter = new CanvasFilter({ + name: "convolveMatrix", + kernelMatrix: [[1, 0], [0, 1]], + preserveAlpha: preserveAlphaValue, + }); + ctx.fillRect(x, y, 30, 30); + } + + ctx.fillStyle = "rgba(255,0,255,0.5)"; + let x = 10; + let y = 10; + for (var i = 0; i < 6; i++) { + drawWithConvolveFilter(x, y, true); + x += 40; + } + y = 50; + x = 10; + for (var i = 0; i < 5; i++) { + drawWithConvolveFilter(x, y, false); + x += 40; + } +</script> |