static void tracking_error_segment_point_cb(void *userdata,
MovieTrackingTrack *track, MovieTrackingMarker *marker,
int coord, int scene_framenr, float UNUSED(value))
{
if (coord == 1) {
TrackErrorCurveUserData *data = (TrackErrorCurveUserData *) userdata;
float reprojected_position[4], bundle_position[4], marker_position[2], delta[2];
float reprojection_error;
float weight = BKE_tracking_track_get_weight_for_marker(data->clip, track, marker);
if (!data->matrix_initialized || data->matrix_frame != scene_framenr) {
BKE_tracking_get_projection_matrix(data->tracking, data->tracking_object,
scene_framenr, data->width, data->height,
data->projection_matrix);
}
copy_v3_v3(bundle_position, track->bundle_pos);
bundle_position[3] = 1;
mul_v4_m4v4(reprojected_position, data->projection_matrix, bundle_position);
reprojected_position[0] = (reprojected_position[0] /
(reprojected_position[3] * 2.0f) + 0.5f) * data->width;
reprojected_position[1] = (reprojected_position[1] /
(reprojected_position[3] * 2.0f) + 0.5f) * data->height * data->aspy;
BKE_tracking_distort_v2(data->tracking, reprojected_position, reprojected_position);
marker_position[0] = (marker->pos[0] + track->offset[0]) * data->width;
marker_position[1] = (marker->pos[1] + track->offset[1]) * data->height * data->aspy;
sub_v2_v2v2(delta, reprojected_position, marker_position);
reprojection_error = len_v2(delta) * weight;
glVertex2f(scene_framenr, reprojection_error);
}
}
/* Draw all kind of tracks. */
static void draw_tracking_tracks(SpaceClip *sc, Scene *scene, ARegion *ar, MovieClip *clip,
int width, int height, float zoomx, float zoomy)
{
float x, y;
MovieTracking *tracking = &clip->tracking;
ListBase *tracksbase = BKE_tracking_get_active_tracks(tracking);
ListBase *plane_tracks_base = BKE_tracking_get_active_plane_tracks(tracking);
MovieTrackingTrack *track, *act_track;
MovieTrackingPlaneTrack *plane_track, *active_plane_track;
MovieTrackingMarker *marker;
int framenr = ED_space_clip_get_clip_frame_number(sc);
int undistort = sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT;
float *marker_pos = NULL, *fp, *active_pos = NULL, cur_pos[2];
/* ** find window pixel coordinates of origin ** */
/* UI_view2d_view_to_region_no_clip return integer values, this could
* lead to 1px flickering when view is locked to selection during playbeck.
* to avoid this flickering, calculate base point in the same way as it happens
* in UI_view2d_view_to_region_no_clip, but do it in floats here */
UI_view2d_view_to_region_fl(&ar->v2d, 0.0f, 0.0f, &x, &y);
glPushMatrix();
glTranslatef(x, y, 0);
glPushMatrix();
glScalef(zoomx, zoomy, 0);
glMultMatrixf(sc->stabmat);
glScalef(width, height, 0);
act_track = BKE_tracking_track_get_active(tracking);
/* Draw plane tracks */
active_plane_track = BKE_tracking_plane_track_get_active(tracking);
for (plane_track = plane_tracks_base->first;
plane_track;
plane_track = plane_track->next)
{
if ((plane_track->flag & PLANE_TRACK_HIDDEN) == 0) {
draw_plane_track(sc, scene, plane_track, framenr, plane_track == active_plane_track, width, height);
}
}
if (sc->user.render_flag & MCLIP_PROXY_RENDER_UNDISTORT) {
int count = 0;
/* count */
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker))
count++;
}
track = track->next;
}
/* undistort */
if (count) {
marker_pos = MEM_callocN(2 * sizeof(float) * count, "draw_tracking_tracks marker_pos");
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
ED_clip_point_undistorted_pos(sc, marker->pos, fp);
if (track == act_track)
active_pos = fp;
fp += 2;
}
}
track = track->next;
}
}
}
if (sc->flag & SC_SHOW_TRACK_PATH) {
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0)
draw_track_path(sc, clip, track);
track = track->next;
}
}
/* markers outline and non-selected areas */
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
copy_v2_v2(cur_pos, fp ? fp : marker->pos);
draw_marker_outline(sc, track, marker, cur_pos, width, height);
draw_marker_areas(sc, track, marker, cur_pos, width, height, 0, 0);
draw_marker_slide_zones(sc, track, marker, cur_pos, 1, 0, 0, width, height);
draw_marker_slide_zones(sc, track, marker, cur_pos, 0, 0, 0, width, height);
if (fp)
fp += 2;
}
}
track = track->next;
}
/* selected areas only, so selection wouldn't be overlapped by
* non-selected areas */
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
int act = track == act_track;
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
if (!act) {
copy_v2_v2(cur_pos, fp ? fp : marker->pos);
draw_marker_areas(sc, track, marker, cur_pos, width, height, 0, 1);
draw_marker_slide_zones(sc, track, marker, cur_pos, 0, 1, 0, width, height);
}
if (fp)
fp += 2;
}
}
track = track->next;
}
/* active marker would be displayed on top of everything else */
if (act_track) {
if ((act_track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(act_track, framenr);
if (MARKER_VISIBLE(sc, act_track, marker)) {
copy_v2_v2(cur_pos, active_pos ? active_pos : marker->pos);
draw_marker_areas(sc, act_track, marker, cur_pos, width, height, 1, 1);
draw_marker_slide_zones(sc, act_track, marker, cur_pos, 0, 1, 1, width, height);
}
}
}
if (sc->flag & SC_SHOW_BUNDLES) {
MovieTrackingObject *object = BKE_tracking_object_get_active(tracking);
float pos[4], vec[4], mat[4][4], aspy;
glEnable(GL_POINT_SMOOTH);
glPointSize(3.0f);
aspy = 1.0f / clip->tracking.camera.pixel_aspect;
BKE_tracking_get_projection_matrix(tracking, object, framenr, width, height, mat);
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0 && track->flag & TRACK_HAS_BUNDLE) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
float npos[2];
copy_v3_v3(vec, track->bundle_pos);
vec[3] = 1;
mul_v4_m4v4(pos, mat, vec);
pos[0] = (pos[0] / (pos[3] * 2.0f) + 0.5f) * width;
pos[1] = (pos[1] / (pos[3] * 2.0f) + 0.5f) * height * aspy;
BKE_tracking_distort_v2(tracking, pos, npos);
if (npos[0] >= 0.0f && npos[1] >= 0.0f && npos[0] <= width && npos[1] <= height * aspy) {
vec[0] = (marker->pos[0] + track->offset[0]) * width;
vec[1] = (marker->pos[1] + track->offset[1]) * height * aspy;
sub_v2_v2(vec, npos);
if (len_squared_v2(vec) < (3.0f * 3.0f))
glColor3f(0.0f, 1.0f, 0.0f);
else
glColor3f(1.0f, 0.0f, 0.0f);
glBegin(GL_POINTS);
if (undistort)
glVertex3f(pos[0] / width, pos[1] / (height * aspy), 0);
else
glVertex3f(npos[0] / width, npos[1] / (height * aspy), 0);
glEnd();
}
}
}
track = track->next;
}
glPointSize(1.0f);
glDisable(GL_POINT_SMOOTH);
}
glPopMatrix();
if (sc->flag & SC_SHOW_NAMES) {
/* scaling should be cleared before drawing texts, otherwise font would also be scaled */
track = tracksbase->first;
fp = marker_pos;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
int act = track == act_track;
copy_v2_v2(cur_pos, fp ? fp : marker->pos);
draw_marker_texts(sc, track, marker, cur_pos, act, width, height, zoomx, zoomy);
if (fp)
fp += 2;
}
}
track = track->next;
}
}
glPopMatrix();
if (marker_pos)
MEM_freeN(marker_pos);
}
