diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp b/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp new file mode 100644 index 00000000000..1bf53260e23 --- /dev/null +++ b/source/blender/compositor/operations/COM_ConvolutionFilterOperation.cpp @@ -0,0 +1,136 @@ +/* + * 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_ConvolutionFilterOperation.h" + +ConvolutionFilterOperation::ConvolutionFilterOperation() : NodeOperation() { + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_COLOR); + this->setResolutionInputSocketIndex(0); + this->inputOperation = NULL; + this->filter = NULL; + this->setComplex(true); +} +void ConvolutionFilterOperation::initExecution() { + this->inputOperation = this->getInputSocketReader(0); + this->inputValueOperation = this->getInputSocketReader(1); +} + +void ConvolutionFilterOperation::set3x3Filter(float f1, float f2, float f3, float f4, float f5, float f6, float f7, float f8, float f9) { + this->filter = new float[9]; + this->filter[0] = f1; + this->filter[1] = f2; + this->filter[2] = f3; + this->filter[3] = f4; + this->filter[4] = f5; + this->filter[5] = f6; + this->filter[6] = f7; + this->filter[7] = f8; + this->filter[8] = f9; + this->filterHeight = 3; + this->filterWidth = 3; +} + +void ConvolutionFilterOperation::deinitExecution() { + this->inputOperation = NULL; + this->inputValueOperation = NULL; + if (this->filter) { + delete this->filter; + this->filter = NULL; + } +} + + +void ConvolutionFilterOperation::executePixel(float *color,int x, int y, MemoryBuffer *inputBuffers[], void* data) { + color[0] = 0.0; + color[1] = 0.0; + color[2] = 0.0; + color[3] = 0.0; + float in1[4]; + float in2[4]; + float value[4]; + this->inputValueOperation->read(value, x, y, inputBuffers, NULL); + float mval = 1.0f - value[0]; + + this->inputOperation->read(in1, x-1, y-1, inputBuffers, NULL); + color[0] += in1[0] * this->filter[0]; + color[1] += in1[1] * this->filter[0]; + color[2] += in1[2] * this->filter[0]; + color[3] += in1[3] * this->filter[0]; + this->inputOperation->read(in1, x, y-1, inputBuffers, NULL); + color[0] += in1[0] * this->filter[1]; + color[1] += in1[1] * this->filter[1]; + color[2] += in1[2] * this->filter[1]; + color[3] += in1[3] * this->filter[1]; + this->inputOperation->read(in1, x+1, y-1, inputBuffers, NULL); + color[0] += in1[0] * this->filter[2]; + color[1] += in1[1] * this->filter[2]; + color[2] += in1[2] * this->filter[2]; + color[3] += in1[3] * this->filter[2]; + this->inputOperation->read(in1, x-1, y, inputBuffers, NULL); + color[0] += in1[0] * this->filter[3]; + color[1] += in1[1] * this->filter[3]; + color[2] += in1[2] * this->filter[3]; + color[3] += in1[3] * this->filter[3]; + this->inputOperation->read(in2, x, y, inputBuffers, NULL); + color[0] += in2[0] * this->filter[4]; + color[1] += in2[1] * this->filter[4]; + color[2] += in2[2] * this->filter[4]; + color[3] += in2[3] * this->filter[4]; + this->inputOperation->read(in1, x+1, y, inputBuffers, NULL); + color[0] += in1[0] * this->filter[5]; + color[1] += in1[1] * this->filter[5]; + color[2] += in1[2] * this->filter[5]; + color[3] += in1[3] * this->filter[5]; + this->inputOperation->read(in1, x-1, y+1, inputBuffers, NULL); + color[0] += in1[0] * this->filter[6]; + color[1] += in1[1] * this->filter[6]; + color[2] += in1[2] * this->filter[6]; + color[3] += in1[3] * this->filter[6]; + this->inputOperation->read(in1, x, y+1, inputBuffers, NULL); + color[0] += in1[0] * this->filter[7]; + color[1] += in1[1] * this->filter[7]; + color[2] += in1[2] * this->filter[7]; + color[3] += in1[3] * this->filter[7]; + this->inputOperation->read(in1, x+1, y+1, inputBuffers, NULL); + color[0] += in1[0] * this->filter[8]; + color[1] += in1[1] * this->filter[8]; + color[2] += in1[2] * this->filter[8]; + color[3] += in1[3] * this->filter[8]; + + color[0] = color[0]*value[0] + in2[0] * mval; + color[1] = color[1]*value[0] + in2[1] * mval; + color[2] = color[2]*value[0] + in2[2] * mval; +} + +bool ConvolutionFilterOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output) { + rcti newInput; + int addx = (this->filterWidth-1)/2+1; + int addy = (this->filterHeight-1)/2+1; + newInput.xmax = input->xmax + addx; + newInput.xmin = input->xmin - addx; + newInput.ymax = input->ymax + addy; + newInput.ymin = input->ymin - addy; + + return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output); +} |