diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cpp b/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cpp new file mode 100644 index 00000000000..adb72f9abb3 --- /dev/null +++ b/source/blender/compositor/operations/COM_ProjectorLensDistortionOperation.cpp @@ -0,0 +1,71 @@ +/* + * 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_ProjectorLensDistortionOperation.h" +#include "BLI_math.h" +#include "BLI_utildefines.h" + +ProjectorLensDistortionOperation::ProjectorLensDistortionOperation(): NodeOperation() { + this->addInputSocket(COM_DT_COLOR); + this->addOutputSocket(COM_DT_COLOR); + this->setComplex(true); + this->inputProgram = NULL; +} +void ProjectorLensDistortionOperation::initExecution() { + this->inputProgram = this->getInputSocketReader(0); + kr = 0.25f*MAX2(MIN2(this->dispersion, 1.f), 0.f); + kr2 = kr * 20; +} + +void* ProjectorLensDistortionOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers) { + void* buffer = inputProgram->initializeTileData(NULL, memoryBuffers); + return buffer; +} + +void ProjectorLensDistortionOperation::executePixel(float* color, int x, int y, MemoryBuffer *inputBuffers[], void* data) { + float inputValue[4]; + const float height = this->getHeight(); + const float width = this->getWidth(); + const float v = (y + 0.5f)/height; + const float u = (x + 0.5f)/width; + MemoryBuffer * inputBuffer = (MemoryBuffer*)data; + inputBuffer->readCubic(inputValue, (u*width + kr2) - 0.5f, v*height - 0.5f); + color[0] = inputValue[0]; + inputBuffer->read(inputValue, x, y); + color[1] = inputValue[1]; + inputBuffer->readCubic(inputValue, (u*width - kr2) - 0.5f, v*height - 0.5f); + color[2] = inputValue[2]; + color[3] = 1.0f; +} + +void ProjectorLensDistortionOperation::deinitExecution() { + this->inputProgram = NULL; +} + +bool ProjectorLensDistortionOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output) { + rcti newInput; + newInput.ymax = input->ymax; + newInput.ymin = input->ymin; + newInput.xmin = input->xmin-kr2-2; + newInput.xmax = input->xmax+kr2+2; + return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output); +} |