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
73
74
75
76
77
|
/*
* Copyright (C) 2008 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 GeneratedImage_h
#define GeneratedImage_h
#include "Image.h"
#include "Generator.h"
#include "IntSize.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class GeneratedImage : public Image {
public:
static PassRefPtr<GeneratedImage> create(PassRefPtr<Generator> generator, const IntSize& size)
{
return adoptRef(new GeneratedImage(generator, size));
}
virtual ~GeneratedImage() {}
virtual bool hasSingleSecurityOrigin() const { return true; }
// These are only used for SVGGeneratedImage right now
virtual void setContainerSize(const IntSize& size) { m_size = size; }
virtual bool usesContainerSize() const { return true; }
virtual bool hasRelativeWidth() const { return true; }
virtual bool hasRelativeHeight() const { return true; }
virtual IntSize size() const { return m_size; }
// Assume that generated content has no decoded data we need to worry about
virtual void destroyDecodedData(bool incremental = false, bool preserveNearbyFrames = false) { }
virtual unsigned decodedSize() const { return 0; }
protected:
virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator);
virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const AffineTransform& patternTransform,
const FloatPoint& phase, CompositeOperator, const FloatRect& destRect);
protected:
GeneratedImage(PassRefPtr<Generator> generator, const IntSize& size)
: m_generator(generator)
, m_size(size)
{
}
RefPtr<Generator> m_generator;
IntSize m_size;
};
}
#endif
|