| Torne (Richard Coles) | 5c87bf8 | 2012-11-14 11:46:17 +0000 | [diff] [blame] | 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" |
| 2 | "http://www.w3.org/TR/html4/loose.dtd"> |
| 3 | |
| 4 | <html lang="en"> |
| 5 | <head> |
| 6 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
| 7 | <title>Checking for simple image layer optimisation</title> |
| 8 | <style type="text/css" media="screen"> |
| 9 | img { |
| 10 | float: left; |
| 11 | width: 150px; |
| 12 | height: 150px; |
| 13 | } |
| 14 | p { |
| 15 | clear: both; |
| 16 | margin: 1em 2em; |
| 17 | height: 180px; |
| 18 | } |
| 19 | img { |
| 20 | -webkit-transform: rotate3d(0, 0, 1, 0); |
| 21 | } |
| 22 | </style> |
| 23 | </head> |
| 24 | <body> |
| 25 | |
| 26 | <h1>Image optimisation in layers</h1> |
| 27 | |
| 28 | <p style="height: auto"> |
| 29 | In order to run this test you should enable the debugging options that indicate |
| 30 | what type of compositing layer is being used. |
| 31 | </p> |
| 32 | |
| 33 | <pre> |
| 34 | defaults write com.apple.Safari WebCoreLayerRepaintCounter -bool yes |
| 35 | defaults write com.apple.Safari WebCoreLayerBorders -bool yes |
| 36 | </pre> |
| 37 | |
| 38 | <p style="height: auto"> |
| 39 | Directly composited image layers will have a yellow border and no repaint counter. |
| 40 | </p> |
| 41 | |
| 42 | <p> |
| 43 | <img src="resources/simple_image.png"> |
| 44 | Basic image - no style - can be directly composited |
| 45 | </p> |
| 46 | |
| 47 | <p> |
| 48 | <img src="resources/simple_image.png" style="border: 5px solid blue;"> |
| 49 | 5px blue border - can NOT be directly composited |
| 50 | </p> |
| 51 | |
| 52 | <p> |
| 53 | <img src="resources/simple_image.png" style="margin: 10px 20px;"> |
| 54 | margin - can NOT be directly composited |
| 55 | </p> |
| 56 | |
| 57 | <p> |
| 58 | <img src="resources/simple_image.png" style="background-color: grey;"> |
| 59 | solid background - can be directly composited |
| 60 | </p> |
| 61 | |
| 62 | <p> |
| 63 | <img src="resources/simple_image.png" style="background: orange url(resources/simple_image.png) -50px -50px;"> |
| 64 | background image - can NOT be directly composited |
| 65 | </p> |
| 66 | |
| 67 | <p> |
| 68 | <img src="resources/simple_image.png" style="-webkit-transform: rotate3d(0, 0, 1, 10deg);"> |
| 69 | rotated but otherwise no style - can be directly composited |
| 70 | </p> |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | </body> |
| 76 | </html> |