/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.org>
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* 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
* along 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 FEBlend_h
#define FEBlend_h
#include "platform/graphics/filters/Filter.h"
#include "platform/graphics/filters/FilterEffect.h"
namespace WebCore {
enum BlendModeType {
FEBLEND_MODE_UNKNOWN = 0,
FEBLEND_MODE_NORMAL = 1,
FEBLEND_MODE_MULTIPLY = 2,
FEBLEND_MODE_SCREEN = 3,
FEBLEND_MODE_DARKEN = 4,
FEBLEND_MODE_LIGHTEN = 5
};
class PLATFORM_EXPORT FEBlend : public FilterEffect {
public:
static PassRefPtr<FEBlend> create(Filter*, BlendModeType);
BlendModeType blendMode() const;
bool setBlendMode(BlendModeType);
void platformApplyGeneric(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray,
unsigned colorArrayLength);
void platformApplyNEON(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray,
unsigned colorArrayLength);
virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) OVERRIDE;
virtual TextStream& externalRepresentation(TextStream&, int indention) const OVERRIDE;
private:
FEBlend(Filter*, BlendModeType);
virtual void applySoftware() OVERRIDE;
BlendModeType m_mode;
};
} // namespace WebCore
#endif // FEBlend_h