diff options
Diffstat (limited to 'source/blender/compositor/operations/COM_CropOperation.cpp')
-rw-r--r-- | source/blender/compositor/operations/COM_CropOperation.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_CropOperation.cpp b/source/blender/compositor/operations/COM_CropOperation.cpp new file mode 100644 index 00000000000..a763ded7f52 --- /dev/null +++ b/source/blender/compositor/operations/COM_CropOperation.cpp @@ -0,0 +1,104 @@ +/* + * 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_CropOperation.h" +#include "BLI_math.h" + +CropBaseOperation::CropBaseOperation() :NodeOperation(){ + this->addInputSocket(COM_DT_COLOR, COM_SC_NO_RESIZE); + this->addOutputSocket(COM_DT_COLOR); + this->inputOperation = NULL; + this->settings = NULL; +} + +void CropBaseOperation::updateArea() { + SocketReader * inputReference = this->getInputSocketReader(0); + float width = inputReference->getWidth(); + float height = inputReference->getHeight(); + if (this->relative){ + settings->x1= width * settings->fac_x1; + settings->x2= width * settings->fac_x2; + settings->y1= height * settings->fac_y1; + settings->y2= height * settings->fac_y2; + } + if (width <= settings->x1 + 1) + settings->x1 = width - 1; + if (height <= settings->y1 + 1) + settings->y1 = height - 1; + if (width <= settings->x2 + 1) + settings->x2 = width - 1; + if (height <= settings->y2 + 1) + settings->y2 = height - 1; + + this->xmax = MAX2(settings->x1, settings->x2) + 1; + this->xmin = MIN2(settings->x1, settings->x2); + this->ymax = MAX2(settings->y1, settings->y2) + 1; + this->ymin = MIN2(settings->y1, settings->y2); +} + +void CropBaseOperation::initExecution(){ + this->inputOperation = this->getInputSocketReader(0); + updateArea(); +} + +void CropBaseOperation::deinitExecution(){ + this->inputOperation = NULL; +} + +CropOperation::CropOperation() :CropBaseOperation(){ +} + +void CropOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]){ + if ((x < this->xmax && x >= xmin) && (y < ymax && y >= ymin)){ + inputOperation->read(color, x, y, sampler, inputBuffers); + } else { + color[0] = 0.0f; + color[1] = 0.0f; + color[2] = 0.0f; + color[3] = 0.0f; + } +} + +CropImageOperation::CropImageOperation() :CropBaseOperation(){ +} + +bool CropImageOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output){ + rcti newInput; + + newInput.xmax = input->xmax + this->xmin; + newInput.xmin = input->xmin + this->xmin; + newInput.ymax = input->ymax + this->ymin; + newInput.ymin = input->ymin + this->ymin; + + return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output); +} + +void CropImageOperation::determineResolution(unsigned int resolution[], unsigned int preferedResolution[]){ + NodeOperation::determineResolution(resolution, preferedResolution); + updateArea(); + resolution[0] = this->xmax - this->xmin; + resolution[1] = this->ymax - this->ymin; +} + +void CropImageOperation::executePixel(float *color, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[]){ + this->inputOperation->read(color, (x + this->xmin), (y + this->ymin), sampler, inputBuffers); +} |