2d.drawImage.9arg.destpos.html (1652B)
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.drawImage.9arg.destpos</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.drawImage.9arg.destpos</h1> 12 <p class="desc"></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 promise_test(async t => { 21 22 var canvas = document.getElementById('c'); 23 var ctx = canvas.getContext('2d'); 24 25 const response_red = await fetch('/images/red.png'); 26 const blob_red = await response_red.blob(); 27 const bitmap_red = await createImageBitmap(blob_red); 28 29 const response_green = await fetch('/images/green.png'); 30 const blob_green = await response_green.blob(); 31 const bitmap_green = await createImageBitmap(blob_green); 32 33 ctx.drawImage(bitmap_green, 0, 0, 100, 50, 0, 0, 100, 50); 34 ctx.drawImage(bitmap_green, 0, 0, 100, 50, -100, 0, 100, 50); 35 ctx.drawImage(bitmap_red, 0, 0, 100, 50, 100, 0, 100, 50); 36 ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, -50, 100, 50); 37 ctx.drawImage(bitmap_red, 0, 0, 100, 50, 0, 50, 100, 50); 38 _assertPixelApprox(canvas, 0,0, 0,255,0,255, 2); 39 _assertPixelApprox(canvas, 99,0, 0,255,0,255, 2); 40 _assertPixelApprox(canvas, 0,49, 0,255,0,255, 2); 41 _assertPixelApprox(canvas, 99,49, 0,255,0,255, 2); 42 43 }, ""); 44 </script>