| /* |
| Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| 2004, 2005 Rob Buis <buis@kde.org> |
| 2005 Eric Seidel <eric@webkit.org> |
| |
| 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 |
| aint 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 SVGFEDisplacementMap_h |
| #define SVGFEDisplacementMap_h |
| |
| #if ENABLE(SVG) && ENABLE(FILTERS) |
| #include "PlatformString.h" |
| #include "FilterEffect.h" |
| #include "Filter.h" |
| |
| namespace WebCore { |
| |
| enum ChannelSelectorType { |
| CHANNEL_UNKNOWN = 0, |
| CHANNEL_R = 1, |
| CHANNEL_G = 2, |
| CHANNEL_B = 3, |
| CHANNEL_A = 4 |
| }; |
| |
| class FEDisplacementMap : public FilterEffect { |
| public: |
| static PassRefPtr<FEDisplacementMap> create(FilterEffect*, FilterEffect*, ChannelSelectorType, |
| ChannelSelectorType, const float&); |
| |
| ChannelSelectorType xChannelSelector() const; |
| void setXChannelSelector(const ChannelSelectorType); |
| |
| ChannelSelectorType yChannelSelector() const; |
| void setYChannelSelector(const ChannelSelectorType); |
| |
| float scale() const; |
| void setScale(float scale); |
| |
| virtual FloatRect uniteChildEffectSubregions(Filter* filter) { return calculateUnionOfChildEffectSubregions(filter, m_in.get(), m_in2.get()); } |
| void apply(Filter*); |
| void dump(); |
| TextStream& externalRepresentation(TextStream& ts) const; |
| |
| private: |
| FEDisplacementMap(FilterEffect*, FilterEffect*, ChannelSelectorType, |
| ChannelSelectorType, const float&); |
| |
| RefPtr<FilterEffect> m_in; |
| RefPtr<FilterEffect> m_in2; |
| ChannelSelectorType m_xChannelSelector; |
| ChannelSelectorType m_yChannelSelector; |
| float m_scale; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(SVG) && ENABLE(FILTERS) |
| |
| #endif // SVGFEDisplacementMap_h |