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/*
* Copyright 2012, 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
* Sergey Sharybin
*/
#include "COM_MaskOperation.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "DNA_scene_types.h"
extern "C" {
#include "BKE_mask.h"
}
MaskOperation::MaskOperation(): NodeOperation()
{
this->addOutputSocket(COM_DT_VALUE);
this->mask = NULL;
this->maskWidth = 0;
this->maskHeight = 0;
this->framenumber = 0;
this->rasterizedMask = NULL;
setComplex(true);
}
void MaskOperation::initExecution()
{
initMutex();
this->rasterizedMask = NULL;
}
void MaskOperation::deinitExecution()
{
if (this->rasterizedMask) {
MEM_freeN(rasterizedMask);
this->rasterizedMask = NULL;
}
}
void *MaskOperation::initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers)
{
if (this->rasterizedMask)
return this->rasterizedMask;
if (!this->mask)
return NULL;
lockMutex();
if (this->rasterizedMask == NULL) {
int width = this->getWidth();
int height = this->getHeight();
float *buffer;
buffer = (float *)MEM_callocN(sizeof(float) * width * height, "rasterized mask");
BKE_mask_rasterize(mask, width, height, buffer, TRUE);
this->rasterizedMask = buffer;
}
unlockMutex();
return this->rasterizedMask;
}
void MaskOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
{
if (maskWidth == 0 || maskHeight == 0) {
NodeOperation::determineResolution(resolution, preferredResolution);
}
else {
unsigned int nr[2];
nr[0] = maskWidth;
nr[1] = maskHeight;
NodeOperation::determineResolution(resolution, nr);
resolution[0] = maskWidth;
resolution[1] = maskHeight;
}
}
void MaskOperation::executePixel(float *color, int x, int y, MemoryBuffer *inputBuffers[], void *data)
{
if (!data) {
color[0] = 0.0f;
}
else {
float *buffer = (float*) data;
int index = (y * this->getWidth() + x);
color[0] = buffer[index];
}
}
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