76 lines
2.2 KiB
C++
76 lines
2.2 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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#include "COM_FlipOperation.h"
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FlipOperation::FlipOperation() : NodeOperation()
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{
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this->addInputSocket(COM_DT_COLOR);
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this->addOutputSocket(COM_DT_COLOR);
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this->setResolutionInputSocketIndex(0);
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this->inputOperation = NULL;
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this->flipX = true;
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this->flipY = false;
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}
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void FlipOperation::initExecution()
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{
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this->inputOperation = this->getInputSocketReader(0);
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}
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void FlipOperation::deinitExecution()
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{
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this->inputOperation = NULL;
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}
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void FlipOperation::executePixel(float *color,float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
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{
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float nx = this->flipX?this->getWidth()-1-x:x;
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float ny = this->flipY?this->getHeight()-1-y:y;
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this->inputOperation->read(color, nx, ny, sampler, inputBuffers);
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}
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bool FlipOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
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{
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rcti newInput;
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if (this->flipX) {
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newInput.xmax = (this->getWidth()- 1 - input->xmin)+1;
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newInput.xmin = (this->getWidth()- 1 - input->xmax)-1;
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}
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else {
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newInput.xmin = input->xmin;
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newInput.xmax = input->xmax;
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}
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if (this->flipY) {
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newInput.ymax = (this->getHeight()- 1 - input->ymin)+1;
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newInput.ymin = (this->getHeight()- 1 - input->ymax)-1;
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}
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else {
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newInput.ymin = input->ymin;
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newInput.ymax = input->ymax;
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}
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return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
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}
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