Lukas Tönne
c566e408e4
Distinguish the 3 different methods for acquiring pixel color values (executePixel, executePixelSampled, executePixelFiltered). This makes it easier to keep track of the different sampling methods (and works nicer with IDEs that do code parsing). Differential Revision: http://developer.blender.org/D7
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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* Copyright 2011, Blender Foundation.
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*
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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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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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*/
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#ifndef _COM_TranslateOperation_h_
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#define _COM_TranslateOperation_h_
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#include "COM_NodeOperation.h"
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class TranslateOperation : public NodeOperation {
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private:
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SocketReader *m_inputOperation;
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SocketReader *m_inputXOperation;
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SocketReader *m_inputYOperation;
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float m_deltaX;
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float m_deltaY;
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bool m_isDeltaSet;
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float m_factorX;
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float m_factorY;
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public:
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TranslateOperation();
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bool determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output);
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void executePixelSampled(float output[4], float x, float y, PixelSampler sampler);
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void initExecution();
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void deinitExecution();
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float getDeltaX() { return this->m_deltaX * this->m_factorX; }
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float getDeltaY() { return this->m_deltaY * this->m_factorY; }
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inline void ensureDelta() {
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if (!this->m_isDeltaSet) {
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float tempDelta[4];
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this->m_inputXOperation->readSampled(tempDelta, 0, 0, COM_PS_NEAREST);
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this->m_deltaX = tempDelta[0];
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this->m_inputYOperation->readSampled(tempDelta, 0, 0, COM_PS_NEAREST);
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this->m_deltaY = tempDelta[0];
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this->m_isDeltaSet = true;
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}
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}
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void setFactorXY(float factorX, float factorY);
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};
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#endif
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