69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2011, Blender Foundation.
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*/
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#pragma once
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#include "BKE_global.h"
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#include "BLI_rect.h"
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#include "COM_NodeOperation.h"
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#include "DNA_color_types.h"
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#include "DNA_image_types.h"
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namespace blender::compositor {
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class PreviewOperation : public NodeOperation {
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protected:
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unsigned char *m_outputBuffer;
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/**
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* \brief holds reference to the SDNA bNode, where this nodes will render the preview image for
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*/
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bNodePreview *m_preview;
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SocketReader *m_input;
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float m_divider;
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unsigned int m_defaultWidth;
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unsigned int m_defaultHeight;
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const ColorManagedViewSettings *m_viewSettings;
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const ColorManagedDisplaySettings *m_displaySettings;
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public:
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PreviewOperation(const ColorManagedViewSettings *viewSettings,
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const ColorManagedDisplaySettings *displaySettings,
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unsigned int defaultWidth,
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unsigned int defaultHeight);
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void verifyPreview(bNodeInstanceHash *previews, bNodeInstanceKey key);
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bool isOutputOperation(bool /*rendering*/) const override
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{
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return !G.background;
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}
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void initExecution() override;
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void deinitExecution() override;
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eCompositorPriority getRenderPriority() const override;
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void executeRegion(rcti *rect, unsigned int tileNumber) override;
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void determineResolution(unsigned int resolution[2],
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unsigned int preferredResolution[2]) override;
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bool determineDependingAreaOfInterest(rcti *input,
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ReadBufferOperation *readOperation,
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rcti *output) override;
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};
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} // namespace blender::compositor
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