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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#ifndef _COM_ScreenLensDistortionOperation_h
#define _COM_ScreenLensDistortionOperation_h
#include "COM_NodeOperation.h"
#include "DNA_node_types.h"
class ScreenLensDistortionOperation : public NodeOperation {
private:
/**
* Cached reference to the inputProgram
*/
SocketReader *m_inputProgram;
NodeLensDist *m_data;
float m_dispersion;
float m_distortion;
bool m_valuesAvailable;
float m_kr, m_kg, m_kb;
float m_kr4, m_kg4, m_kb4;
float m_maxk;
float m_drg;
float m_dgb;
float m_sc, m_cx, m_cy;
public:
ScreenLensDistortionOperation();
/**
* the inner loop of this program
*/
void executePixel(float output[4], int x, int y, void *data);
/**
* Initialize the execution
*/
void initExecution();
void *initializeTileData(rcti *rect);
/**
* Deinitialize the execution
*/
void deinitExecution();
void setData(NodeLensDist *data) { this->m_data = data; }
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
/**
* @brief Set the distortion and dispersion and precalc some values
* @param distortion
* @param dispersion
*/
void setDistortionAndDispersion(float distortion, float dispersion) {
this->m_distortion = distortion;
this->m_dispersion = dispersion;
updateVariables(distortion, dispersion);
this->m_valuesAvailable = true;
}
private:
void determineUV(float result[6], float x, float y) const;
void determineUV(float result[6], float x, float y, float distortion, float dispersion);
void updateDispersionAndDistortion();
void updateVariables(float distortion, float dispersion);
};
#endif
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