| /* |
| Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org> |
| 2004, 2005 Rob Buis <buis@kde.org> |
| 2005 Eric Seidel <eric.seidel@kdemail.net> |
| |
| This file is part of the KDE project |
| |
| 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 SVGFEComponentTransfer_h |
| #define SVGFEComponentTransfer_h |
| |
| #if ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES) |
| #include <wtf/Vector.h> |
| |
| #include "SVGFilterEffect.h" |
| #include "SVGFEDisplacementMap.h" |
| |
| #if PLATFORM(CI) |
| #ifdef __OBJC__ |
| @class CIImage; |
| @class CIFilter; |
| #else |
| class CIImage; |
| class CIFilter; |
| #endif |
| #endif |
| |
| namespace WebCore { |
| |
| enum SVGComponentTransferType { |
| SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN = 0, |
| SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY = 1, |
| SVG_FECOMPONENTTRANSFER_TYPE_TABLE = 2, |
| SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE = 3, |
| SVG_FECOMPONENTTRANSFER_TYPE_LINEAR = 4, |
| SVG_FECOMPONENTTRANSFER_TYPE_GAMMA = 5 |
| }; |
| |
| struct SVGComponentTransferFunction { |
| SVGComponentTransferFunction() |
| : type(SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY) |
| { |
| } |
| |
| SVGComponentTransferType type; |
| Vector<float> tableValues; |
| float slope; |
| float intercept; |
| float amplitude; |
| float exponent; |
| float offset; |
| }; |
| |
| class SVGFEComponentTransfer : public SVGFilterEffect { |
| public: |
| SVGComponentTransferFunction redFunction() const; |
| void setRedFunction(const SVGComponentTransferFunction&); |
| |
| SVGComponentTransferFunction greenFunction() const; |
| void setGreenFunction(const SVGComponentTransferFunction&); |
| |
| SVGComponentTransferFunction blueFunction() const; |
| void setBlueFunction(const SVGComponentTransferFunction&); |
| |
| SVGComponentTransferFunction alphaFunction() const; |
| void setAlphaFunction(const SVGComponentTransferFunction&); |
| |
| virtual TextStream& externalRepresentation(TextStream&) const; |
| |
| #if PLATFORM(CI) |
| virtual CIFilter* getCIFilter(SVGResourceFilter*) const; |
| |
| private: |
| CIFilter* getFunctionFilter(SVGChannelSelectorType, CIImage* inputImage) const; |
| #endif |
| |
| private: |
| SVGComponentTransferFunction m_redFunc; |
| SVGComponentTransferFunction m_greenFunc; |
| SVGComponentTransferFunction m_blueFunc; |
| SVGComponentTransferFunction m_alphaFunc; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(SVG) && ENABLE(SVG_EXPERIMENTAL_FEATURES) |
| |
| #endif // SVGFEComponentTransfer_h |