diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_ColorSpillOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_ColorSpillOperation.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ColorSpillOperation.cpp b/source/blender/compositor/operations/COM_ColorSpillOperation.cpp new file mode 100644 index 00000000000..9f054540332 --- /dev/null +++ b/source/blender/compositor/operations/COM_ColorSpillOperation.cpp @@ -0,0 +1,110 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This Reader 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 Reader 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 Reader; 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_ColorSpillOperation.h" +#include "BLI_math.h" +#define avg(a,b) ((a+b)/2) + +ColorSpillOperation::ColorSpillOperation(): NodeOperation() { + addInputSocket(COM_DT_COLOR); + addInputSocket(COM_DT_VALUE); + addOutputSocket(COM_DT_COLOR); + + inputImageReader = NULL; + inputFacReader = NULL; + this->spillChannel = 1; // GREEN +} + +void ColorSpillOperation::initExecution() { + this->inputImageReader = this->getInputSocketReader(0); + this->inputFacReader = this->getInputSocketReader(1); + if (spillChannel == 0) { + rmut = -1.0f; + gmut = 1.0f; + bmut = 1.0f; + this->channel2 = 1; + this->channel3 = 2; + if (settings->unspill == 0) { + settings->uspillr = 1.0f; + settings->uspillg = 0.0f; + settings->uspillb = 0.0f; + } + } else if (spillChannel == 1) { + rmut = 1.0f; + gmut = -1.0f; + bmut = 1.0f; + this->channel2 = 0; + this->channel3 = 2; + if (settings->unspill == 0) { + settings->uspillr = 0.0f; + settings->uspillg = 1.0f; + settings->uspillb = 0.0f; + } + } else { + rmut = 1.0f; + gmut = 1.0f; + bmut = -1.0f; + + this->channel2 = 0; + this->channel3 = 1; + if (settings->unspill == 0) { + settings->uspillr = 0.0f; + settings->uspillg = 0.0f; + settings->uspillb = 1.0f; + } + } +} + +void ColorSpillOperation::deinitExecution() { + this->inputImageReader= NULL; + this->inputFacReader = NULL; +} + +void ColorSpillOperation::executePixel(float* outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float fac[4]; + float input[4]; + float map; + this->inputFacReader->read(fac, x, y, sampler, inputBuffers); + this->inputImageReader->read(input, x, y, sampler, inputBuffers); + float rfac = min(1.0f, fac[0]); + map = calculateMapValue(rfac, input); + if(map>0) { + outputValue[0]=input[0]+rmut*(settings->uspillr*map); + outputValue[1]=input[1]+gmut*(settings->uspillg*map); + outputValue[2]=input[2]+bmut*(settings->uspillb*map); + outputValue[3]=input[3]; + } + else { + outputValue[0]=input[0]; + outputValue[1]=input[1]; + outputValue[2]=input[2]; + outputValue[3]=input[3]; + } +} +float ColorSpillOperation::calculateMapValue(float fac, float *input) { + return fac * (input[this->spillChannel]-(this->settings->limscale*input[settings->limchan])); +} + + +float ColorSpillAverageOperation::calculateMapValue(float fac, float *input) { + return fac * (input[this->spillChannel]-(this->settings->limscale*avg(input[this->channel2], input[this->channel3]))); +} |