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| (Empty) | |
| 1 <html> |
| 2 <head> |
| 3 <style> |
| 4 #test { |
| 5 margin: 5px; |
| 6 } |
| 7 #test.composite > .container { |
| 8 -webkit-transform: translateZ(0); |
| 9 opacity: 0.95; |
| 10 } |
| 11 .container { |
| 12 position: absolute; |
| 13 } |
| 14 .shifter { |
| 15 position: absolute; |
| 16 background-color: black; |
| 17 width: 12.5px; |
| 18 height: 12.5px; |
| 19 } |
| 20 .shifter8x8 { |
| 21 position: absolute; |
| 22 background-color: black; |
| 23 width: 16.5px; |
| 24 height: 16.5px; |
| 25 } |
| 26 </style> |
| 27 </head> |
| 28 <body> |
| 29 <div id=test class=composite> |
| 30 </div> |
| 31 <script> |
| 32 function setupGrid10x10(leftOffset, topOffset, leftFraction, topFraction) |
| 33 { |
| 34 var test = document.getElementById('test'); |
| 35 for (var i = 0; i < 10; i++) { |
| 36 if (i == 5) |
| 37 topOffset += 5; |
| 38 var leftOffsetj = leftOffset; |
| 39 for (var j = 0; j < 10; j++) { |
| 40 if (j == 5) |
| 41 leftOffsetj += 5; |
| 42 var container = document.createElement("div"); |
| 43 var shifter = document.createElement("div"); |
| 44 container.setAttribute('class', 'container'); |
| 45 shifter.setAttribute('class', 'shifter'); |
| 46 container.style.left = (leftOffsetj + j * 16 + i * leftFraction)
+ "px" |
| 47 container.style.top = (topOffset + i * 16 + i * topFraction) + "
px" |
| 48 shifter.style.left = (5 + j * leftFraction) + "px" |
| 49 shifter.style.top = (5 + j * topFraction) + "px" |
| 50 container.appendChild(shifter); |
| 51 test.appendChild(container); |
| 52 } |
| 53 } |
| 54 } |
| 55 |
| 56 function setupGrid8x8(leftOffset, topOffset, leftFraction, topFraction) |
| 57 { |
| 58 var test = document.getElementById('test'); |
| 59 for (var i = 0; i < 8; i++) { |
| 60 if (i == 4) |
| 61 topOffset += 5; |
| 62 var leftOffsetj = leftOffset; |
| 63 for (var j = 0; j < 8; j++) { |
| 64 if (j == 4) |
| 65 leftOffsetj += 5; |
| 66 var container = document.createElement("div"); |
| 67 var shifter = document.createElement("div"); |
| 68 container.setAttribute('class', 'container'); |
| 69 shifter.setAttribute('class', 'shifter8x8'); |
| 70 container.style.left = (leftOffsetj + j * 20 + i * leftFraction)
+ "px" |
| 71 container.style.top = (topOffset + i * 20 + i * topFraction) + "
px" |
| 72 shifter.style.left = (5 + j * leftFraction) + "px" |
| 73 shifter.style.top = (5 + j * topFraction) + "px" |
| 74 container.appendChild(shifter); |
| 75 test.appendChild(container); |
| 76 } |
| 77 } |
| 78 } |
| 79 |
| 80 function setupTest() |
| 81 { |
| 82 // Vertical shifts: |
| 83 setupGrid10x10(10, 10, 0, 0.1) |
| 84 // Horizontal shifts: |
| 85 setupGrid10x10(200, 10, 0.1, 0); |
| 86 |
| 87 // And in 8x8 (where exactly 0.5 is more common) |
| 88 setupGrid8x8(10, 200, 0, 0.125); |
| 89 setupGrid8x8(200, 200, 0.125, 0); |
| 90 } |
| 91 |
| 92 setupTest(); |
| 93 </script> |
| 94 </body> |
| 95 </html> |
| OLD | NEW |
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Chromium Code Reviews
Issue 20723003:
Fix pixel snapping issues when layers become composited (Closed)
Base URL: svn://svn.chromium.org/blink/trunk