diff options
Diffstat (limited to 'source')
4 files changed, 98 insertions, 2 deletions
diff --git a/source/blender/compositor/CMakeLists.txt b/source/blender/compositor/CMakeLists.txt index d524f4a0e1e..54dd121952b 100644 --- a/source/blender/compositor/CMakeLists.txt +++ b/source/blender/compositor/CMakeLists.txt @@ -353,6 +353,8 @@ set(SRC operations/COM_KeyingDespillOperation.h operations/COM_KeyingOperation.cpp operations/COM_KeyingOperation.h + operations/COM_KeyingSetAlphaOperation.cpp + operations/COM_KeyingSetAlphaOperation.h operations/COM_ColorSpillOperation.cpp operations/COM_ColorSpillOperation.h diff --git a/source/blender/compositor/nodes/COM_KeyingNode.cpp b/source/blender/compositor/nodes/COM_KeyingNode.cpp index b75d06763b7..a0ccaf0b9da 100644 --- a/source/blender/compositor/nodes/COM_KeyingNode.cpp +++ b/source/blender/compositor/nodes/COM_KeyingNode.cpp @@ -32,7 +32,7 @@ #include "COM_DilateErodeOperation.h" -#include "COM_SetAlphaOperation.h" +#include "COM_KeyingSetAlphaOperation.h" #include "COM_GaussianAlphaXBlurOperation.h" #include "COM_GaussianAlphaYBlurOperation.h" @@ -322,7 +322,7 @@ void KeyingNode::convertToOperations(NodeConverter &converter, } /* set alpha channel to output image */ - SetAlphaOperation *alphaOperation = new SetAlphaOperation(); + KeyingSetAlphaOperation *alphaOperation = new KeyingSetAlphaOperation(); converter.addOperation(alphaOperation); converter.mapInputSocket(inputImage, alphaOperation->getInputSocket(0)); diff --git a/source/blender/compositor/operations/COM_KeyingSetAlphaOperation.cpp b/source/blender/compositor/operations/COM_KeyingSetAlphaOperation.cpp new file mode 100644 index 00000000000..dff88d49e80 --- /dev/null +++ b/source/blender/compositor/operations/COM_KeyingSetAlphaOperation.cpp @@ -0,0 +1,55 @@ +/* + * 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 2020, Blender Foundation. + */ + +#include "COM_KeyingSetAlphaOperation.h" + +KeyingSetAlphaOperation::KeyingSetAlphaOperation() : NodeOperation() +{ + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_COLOR); + + this->m_inputColor = NULL; + this->m_inputAlpha = NULL; +} + +void KeyingSetAlphaOperation::initExecution() +{ + this->m_inputColor = getInputSocketReader(0); + this->m_inputAlpha = getInputSocketReader(1); +} + +void KeyingSetAlphaOperation::executePixelSampled(float output[4], + float x, + float y, + PixelSampler sampler) +{ + float color_input[4]; + float alpha_input[4]; + + this->m_inputColor->readSampled(color_input, x, y, sampler); + this->m_inputAlpha->readSampled(alpha_input, x, y, sampler); + + mul_v4_v4fl(output, color_input, alpha_input[0]); +} + +void KeyingSetAlphaOperation::deinitExecution() +{ + this->m_inputColor = NULL; + this->m_inputAlpha = NULL; +} diff --git a/source/blender/compositor/operations/COM_KeyingSetAlphaOperation.h b/source/blender/compositor/operations/COM_KeyingSetAlphaOperation.h new file mode 100644 index 00000000000..b786240f215 --- /dev/null +++ b/source/blender/compositor/operations/COM_KeyingSetAlphaOperation.h @@ -0,0 +1,39 @@ +/* + * 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 2020, Blender Foundation. + */ + +#pragma once + +#include "COM_NodeOperation.h" + +/** + * Operation which is used by keying node to modify image's alpha channels. + * It keeps color properly pre-multiplied. + */ +class KeyingSetAlphaOperation : public NodeOperation { + private: + SocketReader *m_inputColor; + SocketReader *m_inputAlpha; + + public: + KeyingSetAlphaOperation(); + + void executePixelSampled(float output[4], float x, float y, PixelSampler sampler); + + void initExecution(); + void deinitExecution(); +}; |