diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_SplitOperation.cc')
-rw-r--r-- | source/blender/compositor/operations/COM_SplitOperation.cc | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_SplitOperation.cc b/source/blender/compositor/operations/COM_SplitOperation.cc new file mode 100644 index 00000000000..fb6214c7522 --- /dev/null +++ b/source/blender/compositor/operations/COM_SplitOperation.cc @@ -0,0 +1,78 @@ +/* + * 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_SplitOperation.h" +#include "BKE_image.h" +#include "BLI_listbase.h" +#include "BLI_math_color.h" +#include "BLI_math_vector.h" +#include "BLI_utildefines.h" +#include "MEM_guardedalloc.h" + +#include "IMB_imbuf.h" +#include "IMB_imbuf_types.h" + +SplitOperation::SplitOperation() +{ + this->addInputSocket(COM_DT_COLOR); + this->addInputSocket(COM_DT_COLOR); + this->addOutputSocket(COM_DT_COLOR); + this->m_image1Input = nullptr; + this->m_image2Input = nullptr; +} + +void SplitOperation::initExecution() +{ + // When initializing the tree during initial load the width and height can be zero. + this->m_image1Input = getInputSocketReader(0); + this->m_image2Input = getInputSocketReader(1); +} + +void SplitOperation::deinitExecution() +{ + this->m_image1Input = nullptr; + this->m_image2Input = nullptr; +} + +void SplitOperation::executePixelSampled(float output[4], + float x, + float y, + PixelSampler /*sampler*/) +{ + int perc = this->m_xSplit ? this->m_splitPercentage * this->getWidth() / 100.0f : + this->m_splitPercentage * this->getHeight() / 100.0f; + bool image1 = this->m_xSplit ? x > perc : y > perc; + if (image1) { + this->m_image1Input->readSampled(output, x, y, COM_PS_NEAREST); + } + else { + this->m_image2Input->readSampled(output, x, y, COM_PS_NEAREST); + } +} + +void SplitOperation::determineResolution(unsigned int resolution[2], + unsigned int preferredResolution[2]) +{ + unsigned int tempPreferredResolution[2] = {0, 0}; + unsigned int tempResolution[2]; + + this->getInputSocket(0)->determineResolution(tempResolution, tempPreferredResolution); + this->setResolutionInputSocketIndex((tempResolution[0] && tempResolution[1]) ? 0 : 1); + + NodeOperation::determineResolution(resolution, preferredResolution); +} |