diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_MixBaseOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_MixBaseOperation.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_MixBaseOperation.cpp b/source/blender/compositor/operations/COM_MixBaseOperation.cpp new file mode 100644 index 00000000000..9f8378defe9 --- /dev/null +++ b/source/blender/compositor/operations/COM_MixBaseOperation.cpp @@ -0,0 +1,89 @@ +/* + * 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_MixBaseOperation.h" + +MixBaseOperation::MixBaseOperation(): NodeOperation() { + this->addInputSocket(COM_DT_VALUE); + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_COLOR); + this->addOutputSocket(COM_DT_COLOR); + this->inputValueOperation = NULL; + this->inputColor1Operation = NULL; + this->inputColor2Operation = NULL; + this->setUseValueAlphaMultiply(false); +} + +void MixBaseOperation::initExecution() { + this->inputValueOperation = this->getInputSocketReader(0); + this->inputColor1Operation = this->getInputSocketReader(1); + this->inputColor2Operation = this->getInputSocketReader(2); +} + +void MixBaseOperation::executePixel(float* outputColor, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float inputColor1[4]; + float inputColor2[4]; + float value; + + inputValueOperation->read(&value, x, y, sampler, inputBuffers); + inputColor1Operation->read(&inputColor1[0], x, y, sampler, inputBuffers); + inputColor2Operation->read(&inputColor2[0], x, y, sampler, inputBuffers); + + if (this->useValueAlphaMultiply()) { + value *= inputColor2[3]; + } + float valuem= 1.0f-value; + outputColor[0] = valuem*(inputColor1[0])+value*(inputColor2[0]); + outputColor[1] = valuem*(inputColor1[1])+value*(inputColor2[1]); + outputColor[2] = valuem*(inputColor1[2])+value*(inputColor2[2]); + outputColor[3] = inputColor1[3]; +} + +void MixBaseOperation::deinitExecution() { + this->inputValueOperation = NULL; + this->inputColor1Operation = NULL; + this->inputColor2Operation = NULL; +} + +void MixBaseOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[]){ + InputSocket* socket; + unsigned int tempPreferredResolution[] = {0,0}; + unsigned int tempResolution[2]; + + socket = this->getInputSocket(1); + socket->determineResolution(tempResolution, tempPreferredResolution); + if((tempResolution[0] != 0) && (tempResolution[1] != 0)){ + this->setResolutionInputSocketIndex(1); + }else { + socket = this->getInputSocket(2); + tempPreferredResolution[0] = 0; + tempPreferredResolution[1] = 0; + socket->determineResolution(tempResolution, tempPreferredResolution); + if((tempResolution[0] != 0) && (tempResolution[1] != 0)){ + this->setResolutionInputSocketIndex(2); + }else { + this->setResolutionInputSocketIndex(0); + } + } + NodeOperation::determineResolution(resolution, preferredResolution); +} + |