2 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
23 #if ENABLE(SVG) && ENABLE(FILTERS)
24 #include "AffineTransform.h"
26 #include "FilterEffect.h"
27 #include "FloatRect.h"
28 #include "FloatSize.h"
30 #include <wtf/PassRefPtr.h>
31 #include <wtf/RefCounted.h>
32 #include <wtf/RefPtr.h>
36 class SVGFilter : public Filter {
38 static PassRefPtr<SVGFilter> create(const AffineTransform&, const FloatRect&, const FloatRect&, const FloatRect&, bool);
40 virtual bool effectBoundingBoxMode() const { return m_effectBBoxMode; }
42 virtual FloatRect filterRegionInUserSpace() const { return m_filterRegion; }
43 virtual FloatRect filterRegion() const { return m_absoluteFilterRegion; }
45 virtual FloatPoint mapAbsolutePointToLocalPoint(const FloatPoint& point) const { return m_absoluteTransform.inverse().mapPoint(point); }
46 FloatRect mapLocalRectToAbsoluteRect(const FloatRect& rect) const { return m_absoluteTransform.mapRect(rect); }
48 virtual float applyHorizontalScale(float value) const;
49 virtual float applyVerticalScale(float value) const;
51 virtual FloatRect sourceImageRect() const { return m_absoluteSourceDrawingRegion; }
52 FloatRect targetBoundingBox() const { return m_targetBoundingBox; }
55 SVGFilter(const AffineTransform& absoluteTransform, const FloatRect& absoluteSourceDrawingRegion, const FloatRect& targetBoundingBox, const FloatRect& filterRegion, bool effectBBoxMode);
57 AffineTransform m_absoluteTransform;
58 FloatRect m_absoluteSourceDrawingRegion;
59 FloatRect m_targetBoundingBox;
60 FloatRect m_absoluteFilterRegion;
61 FloatRect m_filterRegion;
62 bool m_effectBBoxMode;
65 } // namespace WebCore
67 #endif // ENABLE(SVG) && ENABLE(FILTERS)