diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_FlipOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_FlipOperation.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_FlipOperation.cpp b/source/blender/compositor/operations/COM_FlipOperation.cpp new file mode 100644 index 00000000000..afe3173ab0f --- /dev/null +++ b/source/blender/compositor/operations/COM_FlipOperation.cpp @@ -0,0 +1,68 @@ +/* + * Copyright 2011, Blender Foundation. + * + * 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. + * + * Contributor: + * Jeroen Bakker + * Monique Dewanchand + */ + +#include "COM_FlipOperation.h" + +FlipOperation::FlipOperation() : NodeOperation() { + this->addInputSocket(COM_DT_COLOR); + this->addOutputSocket(COM_DT_COLOR); + this->setResolutionInputSocketIndex(0); + this->inputOperation = NULL; + this->flipX = true; + this->flipY = false; +} +void FlipOperation::initExecution() { + this->inputOperation = this->getInputSocketReader(0); +} + +void FlipOperation::deinitExecution() { + this->inputOperation = NULL; +} + + +void FlipOperation::executePixel(float *color,float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float nx = this->flipX?this->getWidth()-1-x:x; + float ny = this->flipY?this->getHeight()-1-y:y; + + this->inputOperation->read(color, nx, ny, sampler, inputBuffers); +} + +bool FlipOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output) { + rcti newInput; + + if (this->flipX) { + newInput.xmax = (this->getWidth()- 1 - input->xmin)+1; + newInput.xmin = (this->getWidth()- 1 - input->xmax)-1; + } else { + newInput.xmin = input->xmin; + newInput.xmax = input->xmax; + } + if (this->flipY) { + newInput.ymax = (this->getHeight()- 1 - input->ymin)+1; + newInput.ymin = (this->getHeight()- 1 - input->ymax)-1; + } else { + newInput.ymin = input->ymin; + newInput.ymax = input->ymax; + } + + return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output); +} |