| <!DOCTYPE html> |
| <html> |
| <style> |
| canvas { |
| width: 300px; |
| height: 300px; |
| } |
| </style> |
| <body> |
| <canvas id="canvas"></canvas> |
| <script> |
| if (window.internals) |
| internals.settings.setLargeImageAsyncDecodingEnabled(true); |
| |
| let image = new Image; |
| image.onload = (() => { |
| let canvas = document.getElementById("canvas"); |
| let context = canvas.getContext("2d"); |
| context.drawImage(image, 300, 0, canvas.width, canvas.height, 0, 0, canvas.width, canvas.height); |
| }); |
| image.src = "resources/red-green-blue-900-300.png"; |
| </script> |
| </body> |
| </html> |
