1/*
2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
5 * Copyright (C) 2010 Dirk Schulze <krit@webkit.org>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB.  If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#ifndef SVGFEImage_h
24#define SVGFEImage_h
25
26#if ENABLE(FILTERS)
27#include "FilterEffect.h"
28#include "SVGPreserveAspectRatio.h"
29
30namespace WebCore {
31
32class Document;
33class Image;
34class RenderElement;
35
36class FEImage : public FilterEffect {
37public:
38    static PassRefPtr<FEImage> createWithImage(Filter*, PassRefPtr<Image>, const SVGPreserveAspectRatio&);
39    static PassRefPtr<FEImage> createWithIRIReference(Filter*, Document&, const String&, const SVGPreserveAspectRatio&);
40
41    virtual void platformApplySoftware() override;
42#if ENABLE(OPENCL)
43    virtual bool platformApplyOpenCL();
44#endif
45    virtual void dump() override;
46
47    virtual void determineAbsolutePaintRect() override;
48
49    virtual FilterEffectType filterEffectType() const override { return FilterEffectTypeImage; }
50
51    virtual TextStream& externalRepresentation(TextStream&, int indention) const override;
52
53private:
54    virtual ~FEImage() { }
55    FEImage(Filter*, PassRefPtr<Image>, const SVGPreserveAspectRatio&);
56    FEImage(Filter*, Document&, const String&, const SVGPreserveAspectRatio&);
57    RenderElement* referencedRenderer() const;
58
59    RefPtr<Image> m_image;
60
61    // m_document will never be a dangling reference. See https://bugs.webkit.org/show_bug.cgi?id=99243
62    Document* m_document;
63    String m_href;
64    SVGPreserveAspectRatio m_preserveAspectRatio;
65};
66
67} // namespace WebCore
68
69#endif // ENABLE(FILTERS)
70
71#endif // SVGFEImage_h
72