| <!DOCTYPE html> |
| <canvas id='output0' width='100' height='100'></canvas> |
| <canvas id='output1' width='100' height='100'></canvas> |
| <canvas id='output2' width='100' height='100'></canvas> |
| <canvas id='output3' width='100' height='100'></canvas> |
| <canvas id='output4' width='100' height='100'></canvas> |
| <canvas id='output5' width='100' height='100'></canvas> |
| <canvas id='output6' width='100' height='100'></canvas> |
| <canvas id='output7' width='100' height='100'></canvas> |
| <canvas id='output8' width='100' height='100'></canvas> |
| <canvas id='output9' width='100' height='100'></canvas> |
| <canvas id='output10' width='100' height='100'></canvas> |
| <canvas id='output11' width='100' height='100'></canvas> |
| |
| <script> |
| var patternCanvas = document.createElement('canvas'); |
| patternCanvas.width = 30; |
| patternCanvas.height = 30; |
| var patternCtx = patternCanvas.getContext('2d'); |
| patternCtx.fillStyle = '#A00'; |
| patternCtx.fillRect(0, 0, 15, 15); |
| patternCtx.fillStyle = '#0A0'; |
| patternCtx.fillRect(15, 0, 15, 15); |
| patternCtx.fillStyle = '#00A'; |
| patternCtx.fillRect(0, 15, 15, 15); |
| patternCtx.fillStyle = "#AA0"; |
| patternCtx.fillRect(15, 15, 15, 15); |
| |
| var paint = function(id, filter) { |
| var c = document.getElementById(id); |
| var ctx = c.getContext('2d'); |
| ctx.filter = filter; |
| ctx.drawImage(patternCanvas, 5, 5); |
| ctx.drawImage(patternCanvas, 35, 35); |
| ctx.drawImage(patternCanvas, 65, 65); |
| return ctx; |
| }; |
| |
| paint('output0', "none"); |
| paint('output1', "blur(10px)"); |
| paint('output2', "brightness(40%)"); |
| paint('output3', "contrast(20%)"); |
| paint('output4', "drop-shadow(0 0 5px green)"); |
| paint('output5', "grayscale(100%)"); |
| paint('output6', "invert(100%)"); |
| paint('output7', "opacity(50%)"); |
| paint('output8', "saturate(20%)"); |
| paint('output9', "sepia(100%)"); |
| paint('output10', "sepia(1) hue-rotate(200deg)"); |
| paint('output11', "url(#url)"); |
| </script> |
