diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_AntiAliasOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_AntiAliasOperation.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_AntiAliasOperation.cpp b/source/blender/compositor/operations/COM_AntiAliasOperation.cpp new file mode 100644 index 00000000000..729d04c182e --- /dev/null +++ b/source/blender/compositor/operations/COM_AntiAliasOperation.cpp @@ -0,0 +1,97 @@ +/* + * 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_AntiAliasOperation.h" +#include "BLI_math.h" +#include "BLI_utildefines.h" +extern "C" { + #include "RE_render_ext.h" +} + + +AntiAliasOperation::AntiAliasOperation(): NodeOperation() { + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_VALUE); + this->valueReader = NULL; + this->buffer = NULL; + this->setComplex(true); +} +void AntiAliasOperation::initExecution() { + this->valueReader = this->getInputSocketReader(0); + NodeOperation::initMutex(); +} + +void AntiAliasOperation::executePixel(float* color, int x, int y, MemoryBuffer *inputBuffers[], void * data) { + if (y < 0 || y >= this->height || x < 0 || x >= this->width) { + color[0] = 0.0f; + } else { + int offset = y*this->width + x; + color[0] = buffer[offset]/255.0f; + } + +} + +void AntiAliasOperation::deinitExecution() { + this->valueReader = NULL; + if (this->buffer) { + delete buffer; + } + NodeOperation::deinitMutex(); +} + +bool AntiAliasOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output) { + rcti imageInput; + if (this->buffer) { + return false; + } else { + NodeOperation* operation = getInputOperation(0); + imageInput.xmax = operation->getWidth(); + imageInput.xmin = 0; + imageInput.ymax = operation->getHeight(); + imageInput.ymin = 0; + if (operation->determineDependingAreaOfInterest(&imageInput, readOperation, output) ) { + return true; + } + } + return false; +} + +void* AntiAliasOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers) { + if (this->buffer) {return buffer;} + BLI_mutex_lock(getMutex()); + if (this->buffer == NULL) { + MemoryBuffer* tile = (MemoryBuffer*)valueReader->initializeTileData(rect, memoryBuffers); + int size = tile->getHeight()*tile->getWidth(); + float * input = tile->getBuffer(); + char* valuebuffer = new char[size]; + for (int i = 0 ; i < size ; i ++) { + float in = input[i* COM_NUMBER_OF_CHANNELS]; + if (in < 0.0f) { in = 0.0f;} + if (in > 1.0f) {in = 1.0f;} + valuebuffer[i] = in * 255; + } + antialias_tagbuf(tile->getWidth(), tile->getHeight(), valuebuffer); + this->buffer = valuebuffer; + } + BLI_mutex_unlock(getMutex()); + return this->buffer; +} |