2d.clearRect.clip.html (988B)
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.clearRect.clip</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.clearRect.clip</h1> 10 <p class="desc">clearRect is affected by clipping regions</p> 11 12 13 <script> 14 var t = async_test("clearRect is affected by clipping regions"); 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 = '#0f0'; 25 ctx.fillRect(0, 0, 100, 50); 26 ctx.beginPath(); 27 ctx.rect(0, 0, 16, 16); 28 ctx.clip(); 29 ctx.clearRect(0, 0, 100, 50); 30 ctx.fillStyle = '#0f0'; 31 ctx.fillRect(0, 0, 16, 16); 32 _assertPixel(canvas, 50,25, 0,255,0,255); 33 t.done(); 34 35 }); 36 </script>