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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _GPUChromaKeyFilter_H_
#define _GPUChromaKeyFilter_H_
#include "../api.h"
#include "GPUFilter.h"
#include "GLShaderParam.h"
#include "Bitmap.h"
namespace avg {
class AVG_API GPUChromaKeyFilter: public GPUFilter
{
public:
GPUChromaKeyFilter(const IntPoint& size, bool bStandalone=true);
virtual ~GPUChromaKeyFilter();
void setParams(const Pixel32& color, float hTolerance, float sTolerance,
float lTolerance, float softness, int erosion, float spillThreshold);
virtual void applyOnGPU(GLTexturePtr pSrcTex);
private:
Pixel32 m_Color;
float m_HTolerance;
float m_STolerance;
float m_LTolerance;
float m_Softness;
int m_Erosion;
float m_SpillThreshold;
ImagingProjectionPtr m_pProjection2;
IntGLShaderParamPtr m_pTextureParam;
FloatGLShaderParamPtr m_pHKeyParam;
FloatGLShaderParamPtr m_pHToleranceParam;
FloatGLShaderParamPtr m_pHSoftToleranceParam;
FloatGLShaderParamPtr m_pSKeyParam;
FloatGLShaderParamPtr m_pSToleranceParam;
FloatGLShaderParamPtr m_pSSoftToleranceParam;
FloatGLShaderParamPtr m_pLKeyParam;
FloatGLShaderParamPtr m_pLToleranceParam;
FloatGLShaderParamPtr m_pLSoftToleranceParam;
FloatGLShaderParamPtr m_pSpillThresholdParam;
IntGLShaderParamPtr m_pIsLastParam;
IntGLShaderParamPtr m_pErosionTextureParam;
IntGLShaderParamPtr m_pErosionIsLastParam;
};
typedef boost::shared_ptr<GPUChromaKeyFilter> GPUChromaKeyFilterPtr;
}
#endif
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