blob: d4df7e60e37e95ac2f744de51be25f47cbb964f6 (
plain)
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
65
66
67
68
69
70
71
72
|
/*
* Copyright (C) 2006 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "GraphicsContext.h"
#include <wtf/Noncopyable.h>
#if USE(SKIA)
#include "skia/ext/skia_utils_mac.h"
#endif
OBJC_CLASS NSGraphicsContext;
namespace WebCore {
// This class automatically saves and restores the current NSGraphicsContext for
// functions which call out into AppKit and rely on the currentContext being set
class LocalCurrentGraphicsContext {
WTF_MAKE_NONCOPYABLE(LocalCurrentGraphicsContext);
public:
LocalCurrentGraphicsContext(GraphicsContext* graphicsContext);
~LocalCurrentGraphicsContext();
CGContextRef cgContext();
private:
GraphicsContext* m_savedGraphicsContext;
NSGraphicsContext* m_savedNSGraphicsContext;
#if USE(SKIA)
gfx::SkiaBitLocker m_skiaBitLocker;
#endif
};
class ContextContainer {
WTF_MAKE_NONCOPYABLE(ContextContainer);
public:
#if USE(SKIA)
ContextContainer(GraphicsContext*);
// This synchronizes the CGContext to reflect the current SkCanvas state.
// The implementation may not return the same CGContext each time.
CGContextRef context() { return m_skiaBitLocker.cgContext(); }
#else
ContextContainer(GraphicsContext* graphicsContext)
: m_graphicsContext(graphicsContext->platformContext())
{
}
CGContextRef context() { return m_graphicsContext; }
#endif
private:
#if USE(SKIA)
gfx::SkiaBitLocker m_skiaBitLocker;
#else
PlatformGraphicsContext* m_graphicsContext;
#endif
};
}
|