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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* 2004, 2005 Rob Buis <buis@kde.org>
* 2005 Eric Seidel <eric@webkit.org>
* 2009 Dirk Schulze <krit@webkit.org>
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* 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.
*
*/
#ifndef RenderSVGResourceFilter_h
#define RenderSVGResourceFilter_h
#if ENABLE(SVG) && ENABLE(FILTERS)
#include "FloatRect.h"
#include "ImageBuffer.h"
#include "RenderSVGResourceContainer.h"
#include "SVGFilter.h"
#include "SVGFilterBuilder.h"
#include "SVGFilterElement.h"
#include "SVGUnitTypes.h"
#include <wtf/OwnPtr.h>
#include <wtf/PassOwnPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
struct FilterData {
FilterData()
: savedContext(0)
, builded(false)
{
}
RefPtr<SVGFilter> filter;
RefPtr<SVGFilterBuilder> builder;
OwnPtr<ImageBuffer> sourceGraphicBuffer;
GraphicsContext* savedContext;
AffineTransform shearFreeAbsoluteTransform;
FloatRect boundaries;
FloatSize scale;
bool builded;
};
class GraphicsContext;
class RenderSVGResourceFilter : public RenderSVGResourceContainer {
public:
RenderSVGResourceFilter(SVGFilterElement*);
virtual ~RenderSVGResourceFilter();
virtual const char* renderName() const { return "RenderSVGResourceFilter"; }
virtual void removeAllClientsFromCache(bool markForInvalidation = true);
virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true);
virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode);
virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short resourceMode);
virtual FloatRect resourceBoundingBox(RenderObject*);
PassRefPtr<SVGFilterBuilder> buildPrimitives(Filter*);
SVGUnitTypes::SVGUnitType filterUnits() const { return toUnitType(static_cast<SVGFilterElement*>(node())->filterUnits()); }
SVGUnitTypes::SVGUnitType primitiveUnits() const { return toUnitType(static_cast<SVGFilterElement*>(node())->primitiveUnits()); }
virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
static RenderSVGResourceType s_resourceType;
private:
bool fitsInMaximumImageSize(const FloatSize&, FloatSize&);
HashMap<RenderObject*, FilterData*> m_filter;
};
}
#endif
#endif
|
