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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_TrackPositionOperation.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_math_color.h"
#include "DNA_scene_types.h"
extern "C" {
#include "BKE_movieclip.h"
#include "BKE_tracking.h"
}
TrackPositionOperation::TrackPositionOperation() : NodeOperation()
{
this->addOutputSocket(COM_DT_VALUE);
this->movieClip = NULL;
this->framenumber = 0;
this->trackingObject[0] = 0;
this->trackName[0] = 0;
this->axis = 0;
this->relative = false;
}
void TrackPositionOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler)
{
MovieClipUser user = {0};
MovieTracking *tracking = &movieClip->tracking;
MovieTrackingObject *object = BKE_tracking_object_get_named(tracking, this->trackingObject);
MovieTrackingTrack *track;
MovieTrackingMarker *marker;
int width, height;
outputValue[0] = 0.0f;
if (!object)
return;
track = BKE_tracking_track_get_named(tracking, object, this->trackName);
if (!track)
return;
BKE_movieclip_user_set_frame(&user, this->framenumber);
BKE_movieclip_get_size(this->movieClip, &user, &width, &height);
marker = BKE_tracking_marker_get(track, this->framenumber);
outputValue[0] = marker->pos[this->axis];
if (this->relative) {
int i;
for (i = 0; i < track->markersnr; i++) {
marker = &track->markers[i];
if ((marker->flag & MARKER_DISABLED) == 0) {
outputValue[0] -= marker->pos[this->axis];
break;
}
}
}
if (this->axis == 0)
outputValue[0] *= width;
else
outputValue[0] *= height;
}
void TrackPositionOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
{
resolution[0] = preferredResolution[0];
resolution[1] = preferredResolution[1];
}
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