diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_BoxMaskOperation.cpp')
| -rw-r--r-- | source/blender/compositor/operations/COM_BoxMaskOperation.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_BoxMaskOperation.cpp b/source/blender/compositor/operations/COM_BoxMaskOperation.cpp new file mode 100644 index 00000000000..44157051089 --- /dev/null +++ b/source/blender/compositor/operations/COM_BoxMaskOperation.cpp @@ -0,0 +1,110 @@ +/* + * 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_BoxMaskOperation.h" +#include "BLI_math.h" +#include "DNA_node_types.h" + +BoxMaskOperation::BoxMaskOperation(): NodeOperation() { + this->addInputSocket(COM_DT_VALUE); + this->addInputSocket(COM_DT_VALUE); + this->addOutputSocket(COM_DT_VALUE); + this->inputMask = NULL; + this->inputValue = NULL; + this->cosine = 0.0f; + this->sine = 0.0f; +} +void BoxMaskOperation::initExecution() { + this->inputMask = this->getInputSocketReader(0); + this->inputValue = this->getInputSocketReader(1); + const double rad = DEG2RAD(this->data->rotation); + this->cosine = cos(rad); + this->sine = sin(rad); + this->aspectRatio = ((float)this->getWidth())/this->getHeight(); +} + +void BoxMaskOperation::executePixel(float* color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]) { + float inputMask[4]; + float inputValue[4]; + + float rx = x/this->getWidth(); + float ry = y/this->getHeight(); + + const float dy = (ry - this->data->y)/this->aspectRatio; + const float dx = rx - this->data->x; + rx = this->data->x+(this->cosine*dx + this->sine*dy); + ry = this->data->y+(-this->sine*dx + this->cosine*dy); + + this->inputMask->read(inputMask, x, y, sampler, inputBuffers); + this->inputValue->read(inputValue, x, y, sampler, inputBuffers); + + float halfHeight = (this->data->height)/2.0f; + float halfWidth = this->data->width/2.0f; + bool inside = rx > this->data->x-halfWidth + && rx < this->data->x+halfWidth + && ry > this->data->y-halfHeight + && ry < this->data->y+halfHeight; + + switch (this->maskType) { + case CMP_NODE_MASKTYPE_ADD: + if (inside) { + color[0] = max(inputMask[0],inputValue[0]); + } else { + color[0] = inputMask[0]; + } + break; + case CMP_NODE_MASKTYPE_SUBTRACT: + if (inside) { + color[0] = inputMask[0]-inputValue[0]; + CLAMP(color[0], 0, 1); + } else { + color[0] = inputMask[0]; + } + break; + case CMP_NODE_MASKTYPE_MULTIPLY: + if (inside) { + color[0] = inputMask[0]*inputValue[0]; + } else { + color[0] = 0; + } + break; + case CMP_NODE_MASKTYPE_NOT: + if (inside) { + if (inputMask[0]>0.0f) { + color[0] = 0; + } else { + color[0] = inputValue[0]; + } + } else { + color[0] = inputMask[0]; + } + break; + } + + +} + +void BoxMaskOperation::deinitExecution() { + this->inputMask = NULL; + this->inputValue = NULL; +} + |