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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef WebContentLayerClient_h | 26 #ifndef WebContentLayerClient_h |
27 #define WebContentLayerClient_h | 27 #define WebContentLayerClient_h |
28 | 28 |
29 #include "WebCanvas.h" | 29 #include "WebCanvas.h" |
| 30 #include "WebCommon.h" |
30 | 31 |
31 namespace blink { | 32 namespace blink { |
32 struct WebRect; | 33 struct WebRect; |
33 struct WebFloatRect; | 34 struct WebFloatRect; |
34 | 35 |
35 class WebContentLayerClient { | 36 class BLINK_PLATFORM_EXPORT WebContentLayerClient { |
36 public: | 37 public: |
37 // Paints the content area for the layer, typically dirty rects submitted | 38 // Paints the content area for the layer, typically dirty rects submitted |
38 // through WebContentLayer::setNeedsDisplay, submitting drawing commands | 39 // through WebContentLayer::setNeedsDisplay, submitting drawing commands |
39 // through the WebCanvas. | 40 // through the WebCanvas. |
40 // The canvas is already clipped to the |clip| rect. | 41 // The canvas is already clipped to the |clip| rect. |
41 // Optionally, the implementation may set |opaque| to a rect covering pixels
that | 42 // Optionally, the implementation may set |opaque| to a rect covering pixels
that |
42 // the implementation knows are opaque. This information can be used for var
ious | 43 // the implementation knows are opaque. This information can be used for var
ious |
43 // optimizations. | 44 // optimizations. |
44 virtual void paintContents(WebCanvas*, const WebRect& clip, bool canPaintLCD
Text, WebFloatRect& opaque) = 0; | 45 virtual void paintContents(WebCanvas*, const WebRect& clip, bool canPaintLCD
Text, WebFloatRect& opaque) = 0; |
45 | 46 |
46 protected: | 47 protected: |
47 virtual ~WebContentLayerClient() { } | 48 virtual ~WebContentLayerClient() { } |
48 }; | 49 }; |
49 | 50 |
50 } // namespace blink | 51 } // namespace blink |
51 | 52 |
52 #endif // WebContentLayerClient_h | 53 #endif // WebContentLayerClient_h |
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