101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
/*
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* Copyright 2012, Blender Foundation.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor:
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* Jeroen Bakker
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* Monique Dewanchand
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* Sergey Sharybin
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*/
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#include "COM_TrackPositionOperation.h"
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#include "MEM_guardedalloc.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_math_color.h"
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#include "DNA_scene_types.h"
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extern "C" {
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#include "BKE_movieclip.h"
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#include "BKE_tracking.h"
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}
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TrackPositionOperation::TrackPositionOperation() : NodeOperation()
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{
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this->addOutputSocket(COM_DT_VALUE);
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this->movieClip = NULL;
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this->framenumber = 0;
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this->trackingObject[0] = 0;
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this->trackName[0] = 0;
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this->axis = 0;
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this->relative = false;
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}
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void TrackPositionOperation::executePixel(float *outputValue, float x, float y, PixelSampler sampler, MemoryBuffer *inputBuffers[])
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{
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MovieClipUser user = {0};
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MovieTracking *tracking = &movieClip->tracking;
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MovieTrackingObject *object = BKE_tracking_object_get_named(tracking, this->trackingObject);
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MovieTrackingTrack *track;
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MovieTrackingMarker *marker;
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int width, height;
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outputValue[0] = 0.0f;
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if (!object)
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return;
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track = BKE_tracking_track_get_named(tracking, object, this->trackName);
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if (!track)
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return;
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BKE_movieclip_user_set_frame(&user, this->framenumber);
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BKE_movieclip_get_size(this->movieClip, &user, &width, &height);
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marker = BKE_tracking_marker_get(track, this->framenumber);
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outputValue[0] = marker->pos[this->axis];
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if (this->relative) {
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int i;
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for (i = 0; i < track->markersnr; i++) {
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marker = &track->markers[i];
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if ((marker->flag & MARKER_DISABLED) == 0) {
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outputValue[0] -= marker->pos[this->axis];
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break;
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}
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}
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}
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if (this->axis == 0)
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outputValue[0] *= width;
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else
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outputValue[0] *= height;
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}
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void TrackPositionOperation::determineResolution(unsigned int resolution[], unsigned int preferredResolution[])
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{
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resolution[0] = preferredResolution[0];
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resolution[1] = preferredResolution[1];
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}
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