2d.gradient.radial.outside3.html (1350B)
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.gradient.radial.outside3</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.gradient.radial.outside3</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 ctx.fillStyle = '#f00'; 25 ctx.fillRect(0, 0, 100, 50); 26 27 var g = ctx.createRadialGradient(200, 25, 20, 200, 25, 10); 28 g.addColorStop(0, '#0f0'); 29 g.addColorStop(0.001, '#f00'); 30 g.addColorStop(1, '#f00'); 31 ctx.fillStyle = g; 32 ctx.fillRect(0, 0, 100, 50); 33 34 _assertPixel(canvas, 1,1, 0,255,0,255); 35 _assertPixel(canvas, 50,1, 0,255,0,255); 36 _assertPixel(canvas, 98,1, 0,255,0,255); 37 _assertPixel(canvas, 1,25, 0,255,0,255); 38 _assertPixel(canvas, 50,25, 0,255,0,255); 39 _assertPixelApprox(canvas, 98,25, 0,255,0,255, 1); 40 _assertPixel(canvas, 1,48, 0,255,0,255); 41 _assertPixelApprox(canvas, 50,48, 0,255,0,255, 1); 42 _assertPixel(canvas, 98,48, 0,255,0,255); 43 t.done(); 44 45 }); 46 </script>