| <!doctype html> |
| <meta charset="utf-8"> |
| <title>data URL image</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=log></div> |
| <script> |
| setup({ single_test: true }); |
| |
| var c = document.createElement("canvas"), |
| con = c.getContext("2d"), |
| img = document.createElement("img") |
| img.src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAA+UlEQVR4nO3RoRHAQBDEsOu/6YR+B2sgIO4Z3919pMwDMCRtHoAhafMADEmbB2BI2jwAQ9LmARiSNg/AkLR5AIakzQMwJG0egCFp8wAMSZsHYEjaPABD0uYBGJI2D8CQtHkAhqTNAzAkbR6AIWnzAAxJmwdgSNo8AEPS5gEYkjYPwJC0eQCGpM0DMCRtHoAhafMADEmbB2BI2jwAQ9LmARiSNg/AkLR5AIakzQMwJG0egCFp8wAMSZsHYEjaPABD0uYBGJI2D8CQtHkAhqTNAzAkbR6AIWnzAAxJmwdgSNo8AEPS5gEYkjYPwJC0eQCGpM0DMCRtHsDjB5K06yueJFXJAAAAAElFTkSuQmCC" |
| img.onload = () => { |
| con.drawImage(img, 0, 0) |
| var data = con.getImageData(0, 0, 10, 10) // should not throw as data URLs are same-origin |
| for(var i = 0; i < data.data.length; i++) { |
| var expected = ((i+1) % 4 == 0) ? 255 : 0 |
| assert_equals(data.data[i], expected) |
| } |
| c.toDataURL() // shouldn't throw either |
| done() |
| } |
| </script> |
