diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ConvolutionEdgeFilterOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_ConvolutionEdgeFilterOperation.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ConvolutionEdgeFilterOperation.cpp b/source/blender/compositor/operations/COM_ConvolutionEdgeFilterOperation.cpp new file mode 100644 index 00000000000..6505e1be83e --- /dev/null +++ b/source/blender/compositor/operations/COM_ConvolutionEdgeFilterOperation.cpp @@ -0,0 +1,95 @@ +/* + * 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_ConvolutionEdgeFilterOperation.h" +#include "BLI_math.h" + +ConvolutionEdgeFilterOperation::ConvolutionEdgeFilterOperation() : ConvolutionFilterOperation() { +} +inline void addFilter(float* result, float*input, float value) { + result[0] += input[0] * value; + result[1] += input[1] * value; + result[2] += input[2] * value; +} + +void ConvolutionEdgeFilterOperation::executePixel(float *color,int x, int y, MemoryBuffer *inputBuffers[], void* data) { + float in1[4],in2[4], res1[4], res2[4]; + + float value[4]; + this->inputValueOperation->read(value, x, y, inputBuffers, NULL); + float mval = 1.0f - value[0]; + + res1[0] = 0.0f; + res1[1] = 0.0f; + res1[2] = 0.0f; + res1[3] = 0.0f; + res2[0] = 0.0f; + res2[1] = 0.0f; + res2[2] = 0.0f; + res2[3] = 0.0f; + + this->inputOperation->read(in1, x-1, y-1, inputBuffers, NULL); + addFilter(res1, in1, this->filter[0]); + addFilter(res2, in1, this->filter[0]); + + this->inputOperation->read(in1, x, y-1, inputBuffers, NULL); + addFilter(res1, in1, this->filter[1]); + addFilter(res2, in1, this->filter[3]); + + this->inputOperation->read(in1, x+1, y-1, inputBuffers, NULL); + addFilter(res1, in1, this->filter[2]); + addFilter(res2, in1, this->filter[6]); + + this->inputOperation->read(in1, x-1, y, inputBuffers, NULL); + addFilter(res1, in1, this->filter[3]); + addFilter(res2, in1, this->filter[1]); + + this->inputOperation->read(in2, x, y, inputBuffers, NULL); + addFilter(res1, in2, this->filter[4]); + addFilter(res2, in2, this->filter[4]); + + this->inputOperation->read(in1, x+1, y, inputBuffers, NULL); + addFilter(res1, in1, this->filter[5]); + addFilter(res2, in1, this->filter[7]); + + this->inputOperation->read(in1, x-1, y+1, inputBuffers, NULL); + addFilter(res1, in1, this->filter[6]); + addFilter(res2, in1, this->filter[2]); + + this->inputOperation->read(in1, x, y+1, inputBuffers, NULL); + addFilter(res1, in1, this->filter[7]); + addFilter(res2, in1, this->filter[5]); + + this->inputOperation->read(in1, x+1, y+1, inputBuffers, NULL); + addFilter(res1, in1, this->filter[8]); + addFilter(res2, in1, this->filter[8]); + + color[0] = sqrt(res1[0]*res1[0]+res2[0]*res2[0]); + color[1] = sqrt(res1[1]*res1[1]+res2[1]*res2[1]); + color[2] = sqrt(res1[2]*res1[2]+res2[2]*res2[2]); + + 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; + + color[3] = in2[3]; +} |