141 lines
4.4 KiB
C++
141 lines
4.4 KiB
C++
/*
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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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* Copyright 2012, Blender Foundation.
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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 "BKE_movieclip.h"
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#include "BKE_node.h"
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#include "BKE_tracking.h"
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namespace blender::compositor {
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TrackPositionOperation::TrackPositionOperation()
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{
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this->addOutputSocket(DataType::Value);
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this->m_movieClip = nullptr;
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this->m_framenumber = 0;
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this->m_trackingObjectName[0] = 0;
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this->m_trackName[0] = 0;
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this->m_axis = 0;
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this->m_position = CMP_TRACKPOS_ABSOLUTE;
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this->m_relativeFrame = 0;
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this->m_speed_output = false;
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}
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void TrackPositionOperation::initExecution()
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{
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MovieTracking *tracking = nullptr;
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MovieClipUser user = {0};
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MovieTrackingObject *object;
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zero_v2(this->m_markerPos);
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zero_v2(this->m_relativePos);
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if (!this->m_movieClip) {
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return;
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}
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tracking = &this->m_movieClip->tracking;
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BKE_movieclip_user_set_frame(&user, this->m_framenumber);
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BKE_movieclip_get_size(this->m_movieClip, &user, &this->m_width, &this->m_height);
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object = BKE_tracking_object_get_named(tracking, this->m_trackingObjectName);
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if (object) {
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MovieTrackingTrack *track;
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track = BKE_tracking_track_get_named(tracking, object, this->m_trackName);
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if (track) {
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MovieTrackingMarker *marker;
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int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
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this->m_framenumber);
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marker = BKE_tracking_marker_get(track, clip_framenr);
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copy_v2_v2(this->m_markerPos, marker->pos);
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if (this->m_speed_output) {
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int relative_clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
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this->m_relativeFrame);
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marker = BKE_tracking_marker_get_exact(track, relative_clip_framenr);
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if (marker != nullptr && (marker->flag & MARKER_DISABLED) == 0) {
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copy_v2_v2(this->m_relativePos, marker->pos);
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}
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else {
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copy_v2_v2(this->m_relativePos, this->m_markerPos);
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}
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if (this->m_relativeFrame < this->m_framenumber) {
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swap_v2_v2(this->m_relativePos, this->m_markerPos);
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}
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}
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else if (this->m_position == CMP_TRACKPOS_RELATIVE_START) {
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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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copy_v2_v2(this->m_relativePos, marker->pos);
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break;
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}
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}
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}
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else if (this->m_position == CMP_TRACKPOS_RELATIVE_FRAME) {
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int relative_clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(this->m_movieClip,
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this->m_relativeFrame);
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marker = BKE_tracking_marker_get(track, relative_clip_framenr);
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copy_v2_v2(this->m_relativePos, marker->pos);
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}
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}
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}
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}
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void TrackPositionOperation::executePixelSampled(float output[4],
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float /*x*/,
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float /*y*/,
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PixelSampler /*sampler*/)
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{
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output[0] = this->m_markerPos[this->m_axis] - this->m_relativePos[this->m_axis];
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if (this->m_axis == 0) {
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output[0] *= this->m_width;
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}
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else {
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output[0] *= this->m_height;
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}
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}
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void TrackPositionOperation::determineResolution(unsigned int resolution[2],
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unsigned int preferredResolution[2])
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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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} // namespace blender::compositor
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