1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style> 5 #container { 6 width: 300px; 7 height: 300px; 8 background-image: -webkit-canvas(sourceCanvas); 9 background-size: 100%; 10 display: inline-block; 11 } 12 </style> 13 </head> 14 <body> 15 <p>This test passes if two green squares are displayed below.</p> 16 <div> 17 <div style="display: inline-block"> 18 <div id="container"></div> 19 </div> 20 <div id="canvas-container" style="display: inline-block"></div> 21 </div> 22 <script> 23 var ctx = document.getCSSCanvasContext('2d', 'sourceCanvas', 300, 300); 24 var canvas = ctx.canvas; 25 26 function asyncDraw2() { 27 ctx.fillStyle = "green"; 28 ctx.fillRect(0, 0, 300, 300); 29 } 30 31 function asyncDraw1() { 32 ctx.fillStyle = "red"; 33 ctx.fillRect(0, 0, 300, 300); 34 window.webkitRequestAnimationFrame(asyncDraw2); 35 } 36 37 window.webkitRequestAnimationFrame(asyncDraw1); 38 39 document.querySelector('#canvas-container').appendChild(canvas); 40 </script> 41 </body> 42 </html> 43
