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/*
* 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 "BKE_global.h"
#include "BLI_rect.h"
#include "COM_NodeOperation.h"
#include "DNA_color_types.h"
#include "DNA_image_types.h"
class PreviewOperation : public NodeOperation {
protected:
unsigned char *m_outputBuffer;
/**
* \brief holds reference to the SDNA bNode, where this nodes will render the preview image for
*/
bNodePreview *m_preview;
SocketReader *m_input;
float m_divider;
const ColorManagedViewSettings *m_viewSettings;
const ColorManagedDisplaySettings *m_displaySettings;
public:
PreviewOperation(const ColorManagedViewSettings *viewSettings,
const ColorManagedDisplaySettings *displaySettings);
void verifyPreview(bNodeInstanceHash *previews, bNodeInstanceKey key);
bool isOutputOperation(bool /*rendering*/) const
{
return !G.background;
}
void initExecution();
void deinitExecution();
CompositorPriority getRenderPriority() const;
void executeRegion(rcti *rect, unsigned int tileNumber);
void determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2]);
bool determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output);
bool isPreviewOperation() const
{
return true;
}
};
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