2d.pattern.modify.canvas2.html (1283B)
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.pattern.modify.canvas2</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.pattern.modify.canvas2</h1> 10 <p class="desc"></p> 11 12 13 <script> 14 var t = async_test(""); 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 var canvas2 = new OffscreenCanvas(100, 50); 25 var ctx2 = canvas2.getContext('2d'); 26 ctx2.fillStyle = '#0f0'; 27 ctx2.fillRect(0, 0, 100, 50); 28 29 var pattern = ctx.createPattern(canvas2, 'no-repeat'); 30 ctx.fillStyle = pattern; 31 ctx.fillRect(0, 0, 100, 50); 32 ctx.fillStyle = '#f00'; 33 ctx.fillRect(0, 0, 100, 50); 34 35 ctx2.fillStyle = '#f00'; 36 ctx2.fillRect(0, 0, 100, 50); 37 38 ctx.fillStyle = pattern; 39 ctx.fillRect(0, 0, 100, 50); 40 41 _assertPixel(canvas, 1,1, 0,255,0,255); 42 _assertPixel(canvas, 98,1, 0,255,0,255); 43 _assertPixel(canvas, 1,48, 0,255,0,255); 44 _assertPixel(canvas, 98,48, 0,255,0,255); 45 t.done(); 46 47 }); 48 </script>