| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>Canvas test: 2d.color.space.p3.toBlob.with.putImageData</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> |
| <body class="show_output"> |
| |
| <h1>2d.color.space.p3.toBlob.with.putImageData</h1> |
| <p class="desc">Use putImageData to put some p3 data in canvas and test if toBlob returns the same data</p> |
| |
| |
| <p class="output">Actual output:</p> |
| <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| |
| <ul id="d"></ul> |
| <script> |
| var t = async_test("Use putImageData to put some p3 data in canvas and test if toBlob returns the same data"); |
| _addTest(function(canvas, ctx) { |
| |
| canvas.width = 2; |
| canvas.height = 2; |
| |
| // Create an ImageData using createImageData and populate its data array. |
| var image_data = ctx.createImageData(canvas.width, canvas.height, {colorSpace: "display-p3"}); |
| var color_data = [[255, 100, 150, 1.0], [255, 100, 150, 0.5], |
| [255, 100, 150, 0.5], [255, 100, 150, 0]]; |
| var data = image_data.data; |
| for (var i = 0; i < data.length / 4; ++i) { |
| data[4*i + 0] = color_data[i][0]; |
| data[4*i + 1] = color_data[i][1]; |
| data[4*i + 2] = color_data[i][2]; |
| data[4*i + 3] = color_data[i][3]; |
| } |
| ctx.putImageData(image_data, 0, 0); |
| expectedPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data; |
| |
| var image = new Image(); |
| image.onload = t.step_func_done(function() { |
| var dstCanvas = document.createElement("canvas"); |
| dstCanvas.width = 2; |
| dstCanvas.height = 2; |
| var ctx = dstCanvas.getContext('2d', {colorSpace: "display-p3"}); |
| ctx.drawImage(image, 0, 0); |
| var actualPixels = ctx.getImageData(0, 0, 2, 2, {colorSpace: "display-p3"}).data; |
| assert_array_approx_equals(actualPixels, expectedPixels, 2); |
| }); |
| canvas.toBlob(function(blob) { |
| var urlCreator = window.URL || window.webkitURL; |
| image.src = urlCreator.createObjectURL(blob); |
| }, 'image/png', 1); |
| |
| }, {colorSpace: "display-p3"}); |
| </script> |
| |