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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"
extern "C" {
#include "BKE_movieclip.h"
#include "BKE_node.h"
#include "BKE_tracking.h"
}
TrackPositionOperation::TrackPositionOperation() : NodeOperation()
{
this->addOutputSocket(COM_DT_VALUE);
this->m_movieClip = NULL;
this->m_framenumber = 0;
this->m_trackingObjectName[0] = 0;
this->m_trackName[0] = 0;
this->m_axis = 0;
this->m_position = CMP_TRACKPOS_ABSOLUTE;
this->m_relativeFrame = 0;
}
void TrackPositionOperation::initExecution()
{
MovieTracking *tracking = NULL;
MovieClipUser user = {0};
MovieTrackingObject *object;
zero_v2(this->m_markerPos);
zero_v2(this->m_relativePos);
if (!this->m_movieClip)
return;
tracking = &this->m_movieClip->tracking;
BKE_movieclip_user_set_frame(&user, this->m_framenumber);
BKE_movieclip_get_size(this->m_movieClip, &user, &this->m_width, &this->m_height);
object = BKE_tracking_object_get_named(tracking, this->m_trackingObjectName);
if (object) {
MovieTrackingTrack *track;
track = BKE_tracking_track_get_named(tracking, object, this->m_trackName);
if (track) {
MovieTrackingMarker *marker;
int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip, this->m_framenumber);
marker = BKE_tracking_marker_get(track, clip_framenr);
copy_v2_v2(this->m_markerPos, marker->pos);
if (this->m_position == CMP_TRACKPOS_RELATIVE_START) {
int i;
for (i = 0; i < track->markersnr; i++) {
marker = &track->markers[i];
if ((marker->flag & MARKER_DISABLED) == 0) {
copy_v2_v2(this->m_relativePos, marker->pos);
break;
}
}
}
else if (this->m_position == CMP_TRACKPOS_RELATIVE_FRAME) {
int relative_clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
this->m_relativeFrame);
marker = BKE_tracking_marker_get(track, relative_clip_framenr);
copy_v2_v2(this->m_relativePos, marker->pos);
}
}
}
}
void TrackPositionOperation::executePixel(float output[4], float x, float y, PixelSampler sampler)
{
output[0] = this->m_markerPos[this->m_axis] - this->m_relativePos[this->m_axis];
if (this->m_axis == 0)
output[0] *= this->m_width;
else
output[0] *= this->m_height;
}
void TrackPositionOperation::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
{
resolution[0] = preferredResolution[0];
resolution[1] = preferredResolution[1];
}
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