2d.imageData.put.basic.rgba.float16.worker.js (1301B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.imageData.put.basic.rgba.float16 3 // Description:putImageData() puts 16-bit floating point image data from getImageData() onto the canvas 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("putImageData() puts 16-bit floating point image data from getImageData() onto the canvas"); 10 var t_pass = t.done.bind(t); 11 var t_fail = t.step_func(function(reason) { 12 throw reason; 13 }); 14 t.step(function() { 15 16 var canvas = new OffscreenCanvas(100, 50); 17 var ctx = canvas.getContext('2d', {colorSpace: "srgb", colorType: "float16"}); 18 19 ctx.fillStyle = 'color(display-p3 1 0 0)'; 20 ctx.fillRect(0, 0, 100, 50) 21 var imgdata = ctx.getImageData(0, 0, 100, 50, {colorSpace:"srgb", pixelFormat:"rgba-float16"}); 22 ctx.fillStyle = '#f00'; 23 ctx.fillRect(0, 0, 100, 50) 24 ctx.putImageData(imgdata, 0, 0); 25 var pixel = ctx.getImageData(0, 0, 1, 1, {colorSpace:"display-p3", pixelFormat:"rgba-float16"}); 26 assert_approx_equals(pixel.data[0], 1, 0.01); 27 assert_approx_equals(pixel.data[1], 0, 0.01); 28 assert_approx_equals(pixel.data[2], 0, 0.01); 29 assert_approx_equals(pixel.data[3], 1, 0.01); 30 t.done(); 31 }); 32 done();