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Viewing changes to source/blender/compositor/operations/COM_MixBaseOperation.cpp

  • Committer: Package Import Robot
  • Author(s): Jeremy Bicha
  • Date: 2013-03-06 12:08:47 UTC
  • mfrom: (1.5.1) (14.1.8 experimental)
  • Revision ID: package-import@ubuntu.com-20130306120847-frjfaryb2zrotwcg
Tags: 2.66a-1ubuntu1
https://launchpad.net/bugs/1076930
https://launchpad.net/bugs/1089256
https://launchpad.net/bugs/1052743
https://launchpad.net/bugs/999024
* Resynchronize with Debian (LP: #1076930, #1089256, #1052743, #999024,
  #1122888, #1147084)
* debian/control:
  - Lower build-depends on libavcodec-dev since we're not
    doing the libav9 transition in Ubuntu yet

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source/blender/compositor/operations/COM_MixBaseOperation.cpp
 
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/*
 
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 * Copyright 2011, Blender Foundation.
 
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 *
 
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 * This program is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU General Public License
 
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 * as published by the Free Software Foundation; either version 2
 
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 * of the License, or (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software Foundation,
 
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 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
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 *
 
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 * Contributor: 
 
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 *              Jeroen Bakker 
 
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 *              Monique Dewanchand
 
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 */
 
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#include "COM_MixBaseOperation.h"
 
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MixBaseOperation::MixBaseOperation() : NodeOperation()
 
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{
 
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        this->addInputSocket(COM_DT_VALUE);
 
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        this->addInputSocket(COM_DT_COLOR);
 
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        this->addInputSocket(COM_DT_COLOR);
 
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        this->addOutputSocket(COM_DT_COLOR);
 
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        this->m_inputValueOperation = NULL;
 
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        this->m_inputColor1Operation = NULL;
 
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        this->m_inputColor2Operation = NULL;
 
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        this->setUseValueAlphaMultiply(false);
 
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        this->setUseClamp(false);
 
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}
 
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void MixBaseOperation::initExecution()
 
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{
 
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        this->m_inputValueOperation = this->getInputSocketReader(0);
 
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        this->m_inputColor1Operation = this->getInputSocketReader(1);
 
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        this->m_inputColor2Operation = this->getInputSocketReader(2);
 
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}
 
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void MixBaseOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
 
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{
 
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        float inputColor1[4];
 
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        float inputColor2[4];
 
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        float inputValue[4];
 
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        this->m_inputValueOperation->read(inputValue, x, y, sampler);
 
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        this->m_inputColor1Operation->read(inputColor1, x, y, sampler);
 
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        this->m_inputColor2Operation->read(inputColor2, x, y, sampler);
 
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        float value = inputValue[0];
 
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        if (this->useValueAlphaMultiply()) {
 
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                value *= inputColor2[3];
 
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        }
 
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        float valuem = 1.0f - value;
 
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        output[0] = valuem * (inputColor1[0]) + value * (inputColor2[0]);
 
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        output[1] = valuem * (inputColor1[1]) + value * (inputColor2[1]);
 
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        output[2] = valuem * (inputColor1[2]) + value * (inputColor2[2]);
 
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        output[3] = inputColor1[3];
 
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}
 
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void MixBaseOperation::deinitExecution()
 
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{
 
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        this->m_inputValueOperation = NULL;
 
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        this->m_inputColor1Operation = NULL;
 
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        this->m_inputColor2Operation = NULL;
 
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}
 
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void MixBaseOperation::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
 
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{
 
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        InputSocket *socket;
 
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        unsigned int tempPreferredResolution[2] = {0, 0};
 
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        unsigned int tempResolution[2];
 
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        socket = this->getInputSocket(1);
 
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        socket->determineResolution(tempResolution, tempPreferredResolution);
 
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        if ((tempResolution[0] != 0) && (tempResolution[1] != 0)) {
 
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                this->setResolutionInputSocketIndex(1);
 
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        }
 
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        else {
 
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                socket = this->getInputSocket(2);
 
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                tempPreferredResolution[0] = 0;
 
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                tempPreferredResolution[1] = 0;
 
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                socket->determineResolution(tempResolution, tempPreferredResolution);
 
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                if ((tempResolution[0] != 0) && (tempResolution[1] != 0)) {
 
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                        this->setResolutionInputSocketIndex(2);
 
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                }
 
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                else {
 
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                        this->setResolutionInputSocketIndex(0);
 
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                }
 
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        }
 
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        NodeOperation::determineResolution(resolution, preferredResolution);
 
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}