This repository has been archived on 2023-10-09. You can view files and clone it, but cannot push or open issues or pull requests.
Files
blender-archive/source/blender/compositor/operations/COM_ScaleOperation.h

136 lines
3.7 KiB
C++

/*
* 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.
*
* Copyright 2011, Blender Foundation.
*/
#pragma once
#include "COM_NodeOperation.h"
namespace blender::compositor {
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) override;
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
void initExecution() override;
void deinitExecution() override;
};
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) override;
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
void initExecution() override;
void deinitExecution() override;
};
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) override;
void determineResolution(unsigned int resolution[2],
unsigned int preferredResolution[2]) override;
void executePixelSampled(float output[4], float x, float y, PixelSampler sampler) override;
void initExecution() override;
void deinitExecution() override;
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;
}
};
} // namespace blender::compositor