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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_SCALEOPERATION_H__
#define __COM_SCALEOPERATION_H__
#include "COM_NodeOperation.h"
class BaseScaleOperation : public NodeOperation {
public:
void setSampler(PixelSampler sampler) { this->m_sampler = (int) sampler; }
void setVariableSize(bool variable_size) { m_variable_size = variable_size; };
protected:
BaseScaleOperation();
PixelSampler getEffectiveSampler(PixelSampler sampler) { return (m_sampler == -1) ? sampler : (PixelSampler) m_sampler; }
int m_sampler;
bool m_variable_size;
};
class ScaleOperation : public BaseScaleOperation {
private:
SocketReader *m_inputOperation;
SocketReader *m_inputXOperation;
SocketReader *m_inputYOperation;
float m_centerX;
float m_centerY;
public:
ScaleOperation();
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
void initExecution();
void deinitExecution();
};
class ScaleAbsoluteOperation : public BaseScaleOperation {
SocketReader *m_inputOperation;
SocketReader *m_inputXOperation;
SocketReader *m_inputYOperation;
float m_centerX;
float m_centerY;
public:
ScaleAbsoluteOperation();
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
void initExecution();
void deinitExecution();
};
class ScaleFixedSizeOperation : public BaseScaleOperation {
SocketReader *m_inputOperation;
int m_newWidth;
int m_newHeight;
float m_relX;
float m_relY;
/* center is only used for aspect correction */
float m_offsetX;
float m_offsetY;
bool m_is_aspect;
bool m_is_crop;
/* set from other properties on initialization,
* check if we need to apply offset */
bool m_is_offset;
public:
ScaleFixedSizeOperation();
bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
void determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2]);
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
void initExecution();
void deinitExecution();
void setNewWidth(int width) { this->m_newWidth = width; }
void setNewHeight(int height) { this->m_newHeight = height; }
void setIsAspect(bool is_aspect) { this->m_is_aspect = is_aspect; }
void setIsCrop(bool is_crop) { this->m_is_crop = is_crop; }
void setOffset(float x, float y) { this->m_offsetX = x; this->m_offsetY = y; }
};
#endif
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