1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* Copyright 2012, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LayerContent_h
#define LayerContent_h
#include "IntRect.h"
#include "SkRefCnt.h"
#include <utils/threads.h>
class SkCanvas;
class SkPicture;
class SkWStream;
namespace WebCore {
class PrerenderedInval;
class LayerContent : public SkRefCnt {
public:
virtual int width() = 0;
virtual int height() = 0;
bool isEmpty() { return !width() || !height(); }
virtual void setCheckForOptimisations(bool check) = 0;
virtual void checkForOptimisations() = 0;
virtual bool hasText() = 0;
virtual void draw(SkCanvas* canvas) = 0;
virtual PrerenderedInval* prerenderForRect(const IntRect& dirty) { return 0; }
virtual void clearPrerenders() { };
virtual void serialize(SkWStream* stream) = 0;
protected:
// used to prevent parallel draws, as both SkPicture and PictureSet don't support them
android::Mutex m_drawLock;
};
} // WebCore
#endif // LayerContent_h
|
