/* edge version for lasso select. we assume boundbox check was done */
int BLI_lasso_is_edge_inside(int mcords[][2], short moves,
int x0, int y0, int x1, int y1,
const int error_value)
{
int v1[2], v2[2];
int a;
if (x0 == error_value || x1 == error_value) {
return 0;
}
v1[0] = x0, v1[1] = y0;
v2[0] = x1, v2[1] = y1;
/* check points in lasso */
if (BLI_lasso_is_point_inside(mcords, moves, v1[0], v1[1], error_value)) return 1;
if (BLI_lasso_is_point_inside(mcords, moves, v2[0], v2[1], error_value)) return 1;
/* no points in lasso, so we have to intersect with lasso edge */
if (isect_line_line_v2_int(mcords[0], mcords[moves - 1], v1, v2) > 0) return 1;
for (a = 0; a < moves - 1; a++) {
if (isect_line_line_v2_int(mcords[a], mcords[a + 1], v1, v2) > 0) return 1;
}
return 0;
}
/* edge version for lasso select. we assume boundbox check was done */
bool BLI_lasso_is_edge_inside(const int mcords[][2], const unsigned int moves,
int x0, int y0, int x1, int y1,
const int error_value)
{
int v1[2], v2[2];
unsigned int a;
if (x0 == error_value || x1 == error_value || moves == 0) {
return false;
}
v1[0] = x0, v1[1] = y0;
v2[0] = x1, v2[1] = y1;
/* check points in lasso */
if (BLI_lasso_is_point_inside(mcords, moves, v1[0], v1[1], error_value)) return true;
if (BLI_lasso_is_point_inside(mcords, moves, v2[0], v2[1], error_value)) return true;
/* no points in lasso, so we have to intersect with lasso edge */
if (isect_seg_seg_v2_int(mcords[0], mcords[moves - 1], v1, v2) > 0) return true;
for (a = 0; a < moves - 1; a++) {
if (isect_seg_seg_v2_int(mcords[a], mcords[a + 1], v1, v2) > 0) return true;
}
return false;
}
static bool do_lasso_select_node(bContext *C, const int mcords[][2], short moves, short select)
{
SpaceNode *snode = CTX_wm_space_node(C);
bNode *node;
ARegion *ar = CTX_wm_region(C);
rcti rect;
bool changed = false;
/* get rectangle from operator */
BLI_lasso_boundbox(&rect, mcords, moves);
/* do actual selection */
for (node = snode->edittree->nodes.first; node; node = node->next) {
int screen_co[2];
const float cent[2] = {BLI_rctf_cent_x(&node->totr),
BLI_rctf_cent_y(&node->totr)};
/* marker in screen coords */
if (UI_view2d_view_to_region_clip(&ar->v2d, cent[0], cent[1], &screen_co[0], &screen_co[1]) &&
BLI_rcti_isect_pt(&rect, screen_co[0], screen_co[1]) &&
BLI_lasso_is_point_inside(mcords, moves, screen_co[0], screen_co[1], INT_MAX))
{
nodeSetSelected(node, select);
changed = true;
}
}
if (changed) {
WM_event_add_notifier(C, NC_NODE | NA_SELECTED, NULL);
}
return changed;
}
static bool do_lasso_select_mask(bContext *C, const int mcords[][2], short moves, short select)
{
ScrArea *sa = CTX_wm_area(C);
ARegion *ar = CTX_wm_region(C);
Mask *mask = CTX_data_edit_mask(C);
MaskLayer *masklay;
int i;
rcti rect;
bool changed = false;
/* get rectangle from operator */
BLI_lasso_boundbox(&rect, mcords, moves);
/* do actual selection */
for (masklay = mask->masklayers.first; masklay; masklay = masklay->next) {
MaskSpline *spline;
if (masklay->restrictflag & (MASK_RESTRICT_VIEW | MASK_RESTRICT_SELECT)) {
continue;
}
for (spline = masklay->splines.first; spline; spline = spline->next) {
MaskSplinePoint *points_array = BKE_mask_spline_point_array(spline);
for (i = 0; i < spline->tot_point; i++) {
MaskSplinePoint *point = &spline->points[i];
MaskSplinePoint *point_deform = &points_array[i];
/* TODO: handles? */
/* TODO: uw? */
float screen_co[2];
/* point in screen coords */
ED_mask_point_pos__reverse(sa, ar,
point_deform->bezt.vec[1][0], point_deform->bezt.vec[1][1],
&screen_co[0], &screen_co[1]);
if (BLI_rcti_isect_pt(&rect, screen_co[0], screen_co[1]) &&
BLI_lasso_is_point_inside(mcords, moves, screen_co[0], screen_co[1], INT_MAX))
{
BKE_mask_point_select_set(point, select);
BKE_mask_point_select_set_handle(point, MASK_WHICH_HANDLE_BOTH, select);
}
changed = true;
}
}
}
if (changed) {
ED_mask_select_flush_all(mask);
WM_event_add_notifier(C, NC_MASK | ND_SELECT, mask);
}
return changed;
}
static int do_lasso_select_marker(bContext *C, int mcords[][2], short moves, short select)
{
SpaceClip *sc = CTX_wm_space_clip(C);
ARegion *ar = CTX_wm_region(C);
MovieClip *clip = ED_space_clip_get_clip(sc);
MovieTracking *tracking = &clip->tracking;
MovieTrackingTrack *track;
ListBase *tracksbase = BKE_tracking_get_active_tracks(tracking);
rcti rect;
int change = FALSE;
int framenr = ED_space_clip_get_clip_frame_number(sc);
/* get rectangle from operator */
BLI_lasso_boundbox(&rect, mcords, moves);
/* do actual selection */
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
float screen_co[2];
/* marker in screen coords */
ED_clip_point_stable_pos__reverse(sc, ar, marker->pos, screen_co);
if (BLI_in_rcti(&rect, screen_co[0], screen_co[1]) &&
BLI_lasso_is_point_inside(mcords, moves, screen_co[0], screen_co[1], V2D_IS_CLIPPED))
{
if (select)
BKE_tracking_track_flag_set(track, TRACK_AREA_ALL, SELECT);
else
BKE_tracking_track_flag_clear(track, TRACK_AREA_ALL, SELECT);
}
change = TRUE;
}
}
track = track->next;
}
if (change) {
BKE_tracking_dopesheet_tag_update(tracking);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, NULL);
}
return change;
}
/**
* only called from #ok_bezier_region_lasso
*/
static bool bezier_region_lasso_test(
const struct KeyframeEdit_LassoData *data_lasso,
const float xy[2])
{
if (BLI_rctf_isect_pt_v(data_lasso->rectf_scaled, xy)) {
float xy_view[2];
BLI_rctf_transform_pt_v(data_lasso->rectf_view, data_lasso->rectf_scaled, xy_view, xy);
if (BLI_lasso_is_point_inside(data_lasso->mcords, data_lasso->mcords_tot, xy_view[0], xy_view[1], INT_MAX)) {
return true;
}
}
return false;
}
static int do_lasso_select_marker(bContext *C, const int mcords[][2], const short moves, bool select)
{
SpaceClip *sc = CTX_wm_space_clip(C);
ARegion *ar = CTX_wm_region(C);
MovieClip *clip = ED_space_clip_get_clip(sc);
MovieTracking *tracking = &clip->tracking;
MovieTrackingTrack *track;
MovieTrackingPlaneTrack *plane_track;
ListBase *tracksbase = BKE_tracking_get_active_tracks(tracking);
ListBase *plane_tracks_base = BKE_tracking_get_active_plane_tracks(tracking);
rcti rect;
bool changed = false;
int framenr = ED_space_clip_get_clip_frame_number(sc);
/* get rectangle from operator */
BLI_lasso_boundbox(&rect, mcords, moves);
/* do actual selection */
track = tracksbase->first;
while (track) {
if ((track->flag & TRACK_HIDDEN) == 0) {
MovieTrackingMarker *marker = BKE_tracking_marker_get(track, framenr);
if (MARKER_VISIBLE(sc, track, marker)) {
float screen_co[2];
/* marker in screen coords */
ED_clip_point_stable_pos__reverse(sc, ar, marker->pos, screen_co);
if (BLI_rcti_isect_pt(&rect, screen_co[0], screen_co[1]) &&
BLI_lasso_is_point_inside(mcords, moves, screen_co[0], screen_co[1], V2D_IS_CLIPPED))
{
if (select)
BKE_tracking_track_flag_set(track, TRACK_AREA_ALL, SELECT);
else
BKE_tracking_track_flag_clear(track, TRACK_AREA_ALL, SELECT);
}
changed = true;
}
}
track = track->next;
}
for (plane_track = plane_tracks_base->first;
plane_track;
plane_track = plane_track->next)
{
if ((plane_track->flag & PLANE_TRACK_HIDDEN) == 0) {
MovieTrackingPlaneMarker *plane_marker =
BKE_tracking_plane_marker_get(plane_track, framenr);
int i;
for (i = 0; i < 4; i++) {
float screen_co[2];
/* marker in screen coords */
ED_clip_point_stable_pos__reverse(sc, ar, plane_marker->corners[i], screen_co);
if (BLI_rcti_isect_pt(&rect, screen_co[0], screen_co[1]) &&
BLI_lasso_is_point_inside(mcords, moves, screen_co[0], screen_co[1], V2D_IS_CLIPPED))
{
if (select) {
plane_track->flag |= SELECT;
}
else {
plane_track->flag &= ~SELECT;
}
}
}
changed = true;
}
}
if (changed) {
BKE_tracking_dopesheet_tag_update(tracking);
WM_event_add_notifier(C, NC_GEOM | ND_SELECT, NULL);
}
return changed;
}