Home | History | Annotate | Download | only in filters
      1 /*
      2     Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3                   2004, 2005 Rob Buis <buis (at) kde.org>
      4                   2005 Eric Seidel <eric (at) webkit.org>
      5 
      6     This library is free software; you can redistribute it and/or
      7     modify it under the terms of the GNU Library General Public
      8     License as published by the Free Software Foundation; either
      9     version 2 of the License, or (at your option) any later version.
     10 
     11     This library is distributed in the hope that it will be useful,
     12     but WITHOUT ANY WARRANTY; without even the implied warranty of
     13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14     Library General Public License for more details.
     15 
     16     You should have received a copy of the GNU Library General Public License
     17     aint with this library; see the file COPYING.LIB.  If not, write to
     18     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19     Boston, MA 02110-1301, USA.
     20 */
     21 
     22 #ifndef SVGFEColorMatrix_h
     23 #define SVGFEColorMatrix_h
     24 
     25 #if ENABLE(FILTERS)
     26 #include "FilterEffect.h"
     27 
     28 #include "Filter.h"
     29 #include <wtf/Vector.h>
     30 
     31 namespace WebCore {
     32 
     33     enum ColorMatrixType {
     34         FECOLORMATRIX_TYPE_UNKNOWN          = 0,
     35         FECOLORMATRIX_TYPE_MATRIX           = 1,
     36         FECOLORMATRIX_TYPE_SATURATE         = 2,
     37         FECOLORMATRIX_TYPE_HUEROTATE        = 3,
     38         FECOLORMATRIX_TYPE_LUMINANCETOALPHA = 4
     39     };
     40 
     41     class FEColorMatrix : public FilterEffect {
     42     public:
     43         static PassRefPtr<FEColorMatrix> create(FilterEffect*, ColorMatrixType, const Vector<float>&);
     44 
     45         ColorMatrixType type() const;
     46         void setType(ColorMatrixType);
     47 
     48         const Vector<float>& values() const;
     49         void setValues(const Vector<float>&);
     50 
     51         virtual FloatRect uniteChildEffectSubregions(Filter* filter) { return calculateUnionOfChildEffectSubregions(filter, m_in.get()); }
     52         void apply(Filter*);
     53         void dump();
     54 
     55     private:
     56         FEColorMatrix(FilterEffect*, ColorMatrixType, const Vector<float>&);
     57 
     58         RefPtr<FilterEffect> m_in;
     59         ColorMatrixType m_type;
     60         Vector<float> m_values;
     61     };
     62 
     63 } // namespace WebCore
     64 
     65 #endif // ENABLE(FILTERS)
     66 
     67 #endif // SVGFEColorMatrix_h
     68