static int mouse_select_curve(bContext *C, float co[2], int extend)
{
SpaceClip *sc= CTX_wm_space_clip(C);
MovieClip *clip= ED_space_clip(sc);
MovieTracking *tracking= &clip->tracking;
MovieTrackingTrack *act_track= BKE_tracking_active_track(tracking);
MouseSelectUserData userdata;
mouse_select_init_data(&userdata, co);
clip_graph_tracking_values_iterate(sc, &userdata, find_nearest_tracking_segment_cb, NULL, find_nearest_tracking_segment_end_cb);
if(userdata.track) {
if(extend) {
if(act_track==userdata.track) {
/* currently only single curve can be selected (selected curve represents active track) */
act_track= NULL;
}
}
else if(act_track!=userdata.track) {
MovieTrackingMarker *marker;
SelectUserData selectdata = {SEL_DESELECT};
tracking->act_track= userdata.track;
/* make active track be centered to screen */
marker= BKE_tracking_get_marker(userdata.track, sc->user.framenr);
clip_view_center_to_point(sc, marker->pos[0], marker->pos[1]);
/* deselect all knots on newly selected curve */
clip_graph_tracking_iterate(sc, &selectdata, toggle_selection_cb);
}
return 1;
}
return 0;
}
void BKE_movieclip_update_scopes(MovieClip *clip, MovieClipUser *user, MovieClipScopes *scopes)
{
if (scopes->ok)
return;
if (scopes->track_preview) {
IMB_freeImBuf(scopes->track_preview);
scopes->track_preview = NULL;
}
scopes->marker = NULL;
scopes->track = NULL;
if (clip) {
MovieTrackingTrack *act_track = BKE_tracking_active_track(&clip->tracking);
if (act_track) {
MovieTrackingTrack *track = act_track;
MovieTrackingMarker *marker = BKE_tracking_get_marker(track, user->framenr);
if (marker->flag & MARKER_DISABLED) {
scopes->track_disabled = TRUE;
}
else {
ImBuf *ibuf = BKE_movieclip_get_ibuf(clip, user);
scopes->track_disabled = FALSE;
if (ibuf && (ibuf->rect || ibuf->rect_float)) {
ImBuf *tmpibuf;
MovieTrackingMarker undist_marker = *marker;
if (user->render_flag & MCLIP_PROXY_RENDER_UNDISTORT) {
int width, height;
float aspy = 1.0f / clip->tracking.camera.pixel_aspect;
BKE_movieclip_get_size(clip, user, &width, &height);
undist_marker.pos[0] *= width;
undist_marker.pos[1] *= height * aspy;
BKE_tracking_invert_intrinsics(&clip->tracking, undist_marker.pos, undist_marker.pos);
undist_marker.pos[0] /= width;
undist_marker.pos[1] /= height * aspy;
}
/* NOTE: margin should be kept in sync with value from ui_draw_but_TRACKPREVIEW */
tmpibuf = BKE_tracking_get_pattern_imbuf(ibuf, track, &undist_marker, 3 /* margin */,
1 /* anchor */, scopes->track_pos, NULL);
if (tmpibuf->rect_float)
IMB_rect_from_float(tmpibuf);
if (tmpibuf->rect)
scopes->track_preview = tmpibuf;
else
IMB_freeImBuf(tmpibuf);
}
IMB_freeImBuf(ibuf);
}
if ((track->flag & TRACK_LOCKED) == 0) {
scopes->marker = marker;
scopes->track = track;
scopes->slide_scale[0] = track->pat_max[0] - track->pat_min[0];
scopes->slide_scale[1] = track->pat_max[1] - track->pat_min[1];
}
}
}
scopes->framenr = user->framenr;
scopes->ok = TRUE;
}
