2d.imageData.put.basic.rgba.float16.html (1548B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>Canvas test: 2d.imageData.put.basic.rgba.float16</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> 9 <body class="show_output"> 10 11 <h1>2d.imageData.put.basic.rgba.float16</h1> 12 <p class="desc">putImageData() puts 16-bit floating point image data from getImageData() onto the canvas</p> 13 14 15 <p class="output">Actual output:</p> 16 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 17 18 <ul id="d"></ul> 19 <script> 20 var t = async_test("putImageData() puts 16-bit floating point image data from getImageData() onto the canvas"); 21 _addTest(function(canvas, ctx) { 22 23 ctx.fillStyle = 'color(display-p3 1 0 0)'; 24 ctx.fillRect(0, 0, 100, 50) 25 var imgdata = ctx.getImageData(0, 0, 100, 50, {colorSpace:"srgb", pixelFormat:"rgba-float16"}); 26 ctx.fillStyle = '#f00'; 27 ctx.fillRect(0, 0, 100, 50) 28 ctx.putImageData(imgdata, 0, 0); 29 var pixel = ctx.getImageData(0, 0, 1, 1, {colorSpace:"display-p3", pixelFormat:"rgba-float16"}); 30 assert_approx_equals(pixel.data[0], 1, 0.01); 31 assert_approx_equals(pixel.data[1], 0, 0.01); 32 assert_approx_equals(pixel.data[2], 0, 0.01); 33 assert_approx_equals(pixel.data[3], 1, 0.01); 34 35 }, {colorSpace: "srgb", colorType: "float16"}); 36 </script>