diff options
Diffstat (limited to 'source/blender/compositor/nodes/COM_AlphaOverNode.cc')
-rw-r--r-- | source/blender/compositor/nodes/COM_AlphaOverNode.cc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/source/blender/compositor/nodes/COM_AlphaOverNode.cc b/source/blender/compositor/nodes/COM_AlphaOverNode.cc new file mode 100644 index 00000000000..640fbf49808 --- /dev/null +++ b/source/blender/compositor/nodes/COM_AlphaOverNode.cc @@ -0,0 +1,66 @@ +/* + * 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. + * + * Copyright 2011, Blender Foundation. + */ + +#include "COM_AlphaOverNode.h" + +#include "COM_AlphaOverKeyOperation.h" +#include "COM_AlphaOverMixedOperation.h" +#include "COM_AlphaOverPremultiplyOperation.h" +#include "COM_MixOperation.h" + +#include "COM_SetValueOperation.h" +#include "DNA_material_types.h" /* the ramp types */ + +void AlphaOverNode::convertToOperations(NodeConverter &converter, + const CompositorContext & /*context*/) const +{ + NodeInput *color1Socket = this->getInputSocket(1); + NodeInput *color2Socket = this->getInputSocket(2); + bNode *editorNode = this->getbNode(); + + MixBaseOperation *convertProg; + NodeTwoFloats *ntf = (NodeTwoFloats *)editorNode->storage; + if (ntf->x != 0.0f) { + AlphaOverMixedOperation *mixOperation = new AlphaOverMixedOperation(); + mixOperation->setX(ntf->x); + convertProg = mixOperation; + } + else if (editorNode->custom1) { + convertProg = new AlphaOverKeyOperation(); + } + else { + convertProg = new AlphaOverPremultiplyOperation(); + } + + convertProg->setUseValueAlphaMultiply(false); + if (color1Socket->isLinked()) { + convertProg->setResolutionInputSocketIndex(1); + } + else if (color2Socket->isLinked()) { + convertProg->setResolutionInputSocketIndex(2); + } + else { + convertProg->setResolutionInputSocketIndex(0); + } + + converter.addOperation(convertProg); + converter.mapInputSocket(getInputSocket(0), convertProg->getInputSocket(0)); + converter.mapInputSocket(getInputSocket(1), convertProg->getInputSocket(1)); + converter.mapInputSocket(getInputSocket(2), convertProg->getInputSocket(2)); + converter.mapOutputSocket(getOutputSocket(0), convertProg->getOutputSocket(0)); +} |