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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_FastGaussianBlurOperation_h
#define _COM_FastGaussianBlurOperation_h
#include "COM_BlurBaseOperation.h"
#include "DNA_node_types.h"
class FastGaussianBlurOperation : public BlurBaseOperation {
private:
float m_sx;
float m_sy;
MemoryBuffer *m_iirgaus;
public:
FastGaussianBlurOperation();
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
void executePixel(float output[4], int x, int y, void *data);
static void IIR_gauss(MemoryBuffer *src, float sigma, unsigned int channel, unsigned int xy);
void *initializeTileData(rcti *rect);
void deinitExecution();
void initExecution();
};
enum {
FAST_GAUSS_OVERLAY_MIN = -1,
FAST_GAUSS_OVERLAY_NONE = 0,
FAST_GAUSS_OVERLAY_MAX = 1
};
class FastGaussianBlurValueOperation : public NodeOperation {
private:
float m_sigma;
MemoryBuffer *m_iirgaus;
SocketReader *m_inputprogram;
/**
* -1: re-mix with darker
* 0: do nothing
* 1 re-mix with lighter */
int m_overlay;
public:
FastGaussianBlurValueOperation();
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
void executePixel(float output[4], int x, int y, void *data);
void *initializeTileData(rcti *rect);
void deinitExecution();
void initExecution();
void setSigma(float sigma) { this->m_sigma = sigma; }
/* used for DOF blurring ZBuffer */
void setOverlay(int overlay) { this->m_overlay = overlay; }
};
#endif
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