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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_MovieClipAttributeOperation.h"
extern "C" {
#include "BKE_tracking.h"
#include "BKE_movieclip.h"
}
MovieClipAttributeOperation::MovieClipAttributeOperation() : NodeOperation()
{
this->addOutputSocket(COM_DT_VALUE);
this->m_valueSet = false;
this->m_framenumber = 0;
this->m_attribute = MCA_X;
}
void MovieClipAttributeOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
{
if (!this->m_valueSet) {
float loc[2], scale, angle;
loc[0] = 0.0f;
loc[1] = 0.0f;
scale = 1.0f;
angle = 0.0f;
if (this->m_clip) {
int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_clip, this->m_framenumber);
BKE_tracking_stabilization_data_get(&this->m_clip->tracking, clip_framenr, getWidth(), getHeight(), loc, &scale, &angle);
}
switch (this->m_attribute) {
case MCA_SCALE:
this->m_value = scale;
break;
case MCA_ANGLE:
this->m_value = angle;
break;
case MCA_X:
this->m_value = loc[0];
break;
case MCA_Y:
this->m_value = loc[1];
break;
}
this->m_valueSet = true;
}
outputValue[0] = this->m_value;
}
void MovieClipAttributeOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
{
resolution[0] = preferredResolution[0];
resolution[1] = preferredResolution[1];
}
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