2d.imageData.get.order.rgb.html (1453B)
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>OffscreenCanvas test: 2d.imageData.get.order.rgb</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 9 <h1>2d.imageData.get.order.rgb</h1> 10 <p class="desc">getImageData() returns R then G then B</p> 11 12 13 <script> 14 var t = async_test("getImageData() returns R then G then B"); 15 var t_pass = t.done.bind(t); 16 var t_fail = t.step_func(function(reason) { 17 throw reason; 18 }); 19 t.step(function() { 20 21 var canvas = new OffscreenCanvas(100, 50); 22 var ctx = canvas.getContext('2d'); 23 24 ctx.fillStyle = '#48c'; 25 ctx.fillRect(0, 0, 100, 50); 26 var imgdata = ctx.getImageData(0, 0, 10, 10); 27 _assertSame(imgdata.data[0], 0x44, "imgdata.data[\""+(0)+"\"]", "0x44"); 28 _assertSame(imgdata.data[1], 0x88, "imgdata.data[\""+(1)+"\"]", "0x88"); 29 _assertSame(imgdata.data[2], 0xCC, "imgdata.data[\""+(2)+"\"]", "0xCC"); 30 _assertSame(imgdata.data[3], 255, "imgdata.data[\""+(3)+"\"]", "255"); 31 _assertSame(imgdata.data[4], 0x44, "imgdata.data[\""+(4)+"\"]", "0x44"); 32 _assertSame(imgdata.data[5], 0x88, "imgdata.data[\""+(5)+"\"]", "0x88"); 33 _assertSame(imgdata.data[6], 0xCC, "imgdata.data[\""+(6)+"\"]", "0xCC"); 34 _assertSame(imgdata.data[7], 255, "imgdata.data[\""+(7)+"\"]", "255"); 35 t.done(); 36 37 }); 38 </script>