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/*
* 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_MovieDistortionOperation.h"
extern "C" {
#include "BKE_tracking.h"
#include "BKE_movieclip.h"
#include "BLI_linklist.h"
}
vector<DistortionCache*> s_cache;
MovieDistortionOperation::MovieDistortionOperation(bool distortion) : NodeOperation()
{
this->addInputSocket(COM_DT_COLOR);
this->addOutputSocket(COM_DT_COLOR);
this->setResolutionInputSocketIndex(0);
this->inputOperation = NULL;
this->movieClip = NULL;
this->cache = NULL;
this->distortion = distortion;
}
void MovieDistortionOperation::initExecution()
{
this->inputOperation = this->getInputSocketReader(0);
if (this->movieClip) {
MovieClipUser clipUser = {0};
int calibration_width, calibration_height;
BKE_movieclip_user_set_frame(&clipUser, this->framenumber);
BKE_movieclip_get_size(this->movieClip, &clipUser, &calibration_width, &calibration_height);
for (unsigned int i = 0 ; i < s_cache.size() ; i ++) {
DistortionCache *c = (DistortionCache*)s_cache[i];
if (c->isCacheFor(this->movieClip, this->width, this->height,
calibration_width, calibration_height, this->distortion))
{
this->cache = c;
return;
}
}
DistortionCache *newC = new DistortionCache(this->movieClip, this->width, this->height,
calibration_width, calibration_height, this->distortion);
s_cache.push_back(newC);
this->cache = newC;
}
else {
this->cache = NULL;
}
}
void MovieDistortionOperation::deinitExecution()
{
this->inputOperation = NULL;
this->movieClip = NULL;
}
void MovieDistortionOperation::executePixel(float *color,float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
if (this->cache != NULL) {
float u, v;
this->cache->getUV(&this->movieClip->tracking, x, y, &u, &v);
this->inputOperation->read(color, u, v, sampler, inputBuffers);
}
else {
this->inputOperation->read(color, x, y, sampler, inputBuffers);
}
}
bool MovieDistortionOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOperation *readOperation, rcti *output)
{
rcti newInput;
newInput.xmax = input->xmax + 100;
newInput.xmin = input->xmin - 100;
newInput.ymax = input->ymax + 100;
newInput.ymin = input->ymin - 100;
return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}
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