| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <meta charset="UTF-8"> |
| <title>OffscreenCanvas test: 2d.imageData.put.basic.rgba.float16</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.imageData.put.basic.rgba.float16</h1> |
| <p class="desc">putImageData() puts 16-bit floating point image data from getImageData() onto the canvas</p> |
| |
| |
| <script> |
| var t = async_test("putImageData() puts 16-bit floating point image data from getImageData() onto the canvas"); |
| 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', {colorSpace: "srgb", colorType: "float16"}); |
| |
| ctx.fillStyle = 'color(display-p3 1 0 0)'; |
| ctx.fillRect(0, 0, 100, 50) |
| var imgdata = ctx.getImageData(0, 0, 100, 50, {colorSpace:"srgb", pixelFormat:"rgba-float16"}); |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50) |
| ctx.putImageData(imgdata, 0, 0); |
| var pixel = ctx.getImageData(0, 0, 1, 1, {colorSpace:"display-p3", pixelFormat:"rgba-float16"}); |
| assert_approx_equals(pixel.data[0], 1, 0.01); |
| assert_approx_equals(pixel.data[1], 0, 0.01); |
| assert_approx_equals(pixel.data[2], 0, 0.01); |
| assert_approx_equals(pixel.data[3], 1, 0.01); |
| t.done(); |
| |
| }); |
| </script> |
