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
63
64
|
/*
* Copyright 2010, 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 TiledPage_h
#define TiledPage_h
#if USE(ACCELERATED_COMPOSITING)
#include "BaseTile.h"
#include "GLWebViewState.h"
#include "SkCanvas.h"
#include "TilesSet.h"
namespace WebCore {
class TiledPage {
public:
TiledPage(int id, GLWebViewState* state);
~TiledPage() { }
BaseTile* getBaseTile(int x, int y, int quality);
void prepare(bool goingDown, bool goingLeft, int firstTileX, int firstTileY);
void setScale(float scale) { m_scale = scale; }
bool ready(int firstTileX, int firstTileY);
void draw(float transparency, SkRect& viewport, int firstTileX, int firstTileY);
float scale() const { return m_scale; }
bool paintBaseLayerContent(SkCanvas*);
unsigned int currentPictureCounter();
TiledPage* sibling();
GLWebViewState* glWebViewState() { return m_glWebViewState; }
private:
void setTileLevel(BaseTile* tile, int firstTileX, int firstTileY);
void prepareRow(bool goingLeft, int firstTileX, int y, TilesSet* set, int quality);
TileMap m_baseTextures;
int m_id;
float m_scale;
GLWebViewState* m_glWebViewState;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // TiledPage_h
|