2d.drawImage.5arg.html (1275B)
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.drawImage.5arg</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.drawImage.5arg</h1> 10 <p class="desc"></p> 11 12 13 <script> 14 promise_test(async t => { 15 16 var canvas = new OffscreenCanvas(100, 50); 17 var ctx = canvas.getContext('2d'); 18 19 ctx.fillStyle = '#f00'; 20 ctx.fillRect(0, 0, 100, 50); 21 const response_red = await fetch('/images/red.png'); 22 const blob_red = await response_red.blob(); 23 const bitmap_red = await createImageBitmap(blob_red); 24 25 const response_green = await fetch('/images/green.png'); 26 const blob_green = await response_green.blob(); 27 const bitmap_green = await createImageBitmap(blob_green); 28 29 ctx.drawImage(bitmap_green, 50, 0, 50, 50); 30 ctx.drawImage(bitmap_red, 0, 0, 50, 50); 31 ctx.fillStyle = '#0f0'; 32 ctx.fillRect(0, 0, 50, 50); 33 _assertPixelApprox(canvas, 0,0, 0,255,0,255, 2); 34 _assertPixelApprox(canvas, 99,0, 0,255,0,255, 2); 35 _assertPixelApprox(canvas, 0,49, 0,255,0,255, 2); 36 _assertPixelApprox(canvas, 99,49, 0,255,0,255, 2); 37 38 }, ""); 39 </script>