static void calc_ray_shift(rcti *rect, float x, float y, const float source[2], float ray_length)
{
float co[2] = {(float)x, (float)y};
float dir[2], dist;
/* move (x,y) vector toward the source by ray_length distance */
sub_v2_v2v2(dir, co, source);
dist = normalize_v2(dir);
mul_v2_fl(dir, min_ff(dist, ray_length));
sub_v2_v2(co, dir);
int ico[2] = {(int)co[0], (int)co[1]};
BLI_rcti_do_minmax_v(rect, ico);
}
/* 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);
}
static void marker_block_handler(bContext *C, void *arg_cb, int event)
{
MarkerUpdateCb *cb = (MarkerUpdateCb *) arg_cb;
MovieTrackingMarker *marker;
int width, height, ok = FALSE;
BKE_movieclip_get_size(cb->clip, cb->user, &width, &height);
marker = BKE_tracking_marker_ensure(cb->track, cb->framenr);
if (event == B_MARKER_POS) {
marker->pos[0] = cb->marker_pos[0] / width;
marker->pos[1] = cb->marker_pos[1] / height;
/* to update position of "parented" objects */
DAG_id_tag_update(&cb->clip->id, 0);
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, NULL);
ok = TRUE;
}
else if (event == B_MARKER_PAT_DIM) {
float dim[2], pat_dim[2], pat_min[2], pat_max[2];
float scale_x, scale_y;
int a;
BKE_tracking_marker_pattern_minmax(cb->marker, pat_min, pat_max);
sub_v2_v2v2(pat_dim, pat_max, pat_min);
dim[0] = cb->marker_pat[0] / width;
dim[1] = cb->marker_pat[1] / height;
scale_x = dim[0] / pat_dim[0];
scale_y = dim[1] / pat_dim[1];
for (a = 0; a < 4; a++) {
cb->marker->pattern_corners[a][0] *= scale_x;
cb->marker->pattern_corners[a][1] *= scale_y;
}
BKE_tracking_marker_clamp(cb->marker, CLAMP_PAT_DIM);
ok = TRUE;
}
else if (event == B_MARKER_SEARCH_POS) {
float delta[2], side[2];
sub_v2_v2v2(side, cb->marker->search_max, cb->marker->search_min);
mul_v2_fl(side, 0.5f);
delta[0] = cb->marker_search_pos[0] / width;
delta[1] = cb->marker_search_pos[1] / height;
sub_v2_v2v2(cb->marker->search_min, delta, side);
add_v2_v2v2(cb->marker->search_max, delta, side);
BKE_tracking_marker_clamp(cb->marker, CLAMP_SEARCH_POS);
ok = TRUE;
}
else if (event == B_MARKER_SEARCH_DIM) {
float dim[2], search_dim[2];
sub_v2_v2v2(search_dim, cb->marker->search_max, cb->marker->search_min);
dim[0] = cb->marker_search[0] / width;
dim[1] = cb->marker_search[1] / height;
sub_v2_v2(dim, search_dim);
mul_v2_fl(dim, 0.5f);
cb->marker->search_min[0] -= dim[0];
cb->marker->search_min[1] -= dim[1];
cb->marker->search_max[0] += dim[0];
cb->marker->search_max[1] += dim[1];
BKE_tracking_marker_clamp(cb->marker, CLAMP_SEARCH_DIM);
ok = TRUE;
}
else if (event == B_MARKER_FLAG) {
marker->flag = cb->marker_flag;
ok = TRUE;
}
else if (event == B_MARKER_OFFSET) {
float offset[2], delta[2];
int i;
offset[0] = cb->track_offset[0] / width;
offset[1] = cb->track_offset[1] / height;
sub_v2_v2v2(delta, offset, cb->track->offset);
copy_v2_v2(cb->track->offset, offset);
for (i = 0; i < cb->track->markersnr; i++)
sub_v2_v2(cb->track->markers[i].pos, delta);
/* to update position of "parented" objects */
DAG_id_tag_update(&cb->clip->id, 0);
WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, NULL);
ok = TRUE;
}
if (ok)
WM_event_add_notifier(C, NC_MOVIECLIP | NA_EDITED, cb->clip);
}
static void object_warp_transverts(TransVertStore *tvs,
float mat_view[4][4], const float center_view[3],
const float angle_, const float min, const float max)
{
TransVert *tv;
int i;
const float angle = -angle_;
/* cache vars for tiny speedup */
#if 1
const float range = max - min;
const float range_inv = 1.0f / range;
const float min_ofs = min + (0.5f * range);
#endif
float dir_min[2], dir_max[2];
float imat_view[4][4];
invert_m4_m4(imat_view, mat_view);
/* calculate the direction vectors outside min/max range */
{
const float phi = angle * 0.5f;
dir_max[0] = cosf(phi);
dir_max[1] = sinf(phi);
dir_min[0] = -dir_max[0];
dir_min[1] = dir_max[1];
}
tv = tvs->transverts;
for (i = 0; i < tvs->transverts_tot; i++, tv++) {
float co[3], co_add[2];
float val, phi;
/* convert objectspace->viewspace */
mul_v3_m4v3(co, mat_view, tv->loc);
sub_v2_v2(co, center_view);
val = co[0];
/* is overwritten later anyway */
// co[0] = 0.0f;
if (val < min) {
mul_v2_v2fl(co_add, dir_min, min - val);
val = min;
}
else if (val > max) {
mul_v2_v2fl(co_add, dir_max, val - max);
val = max;
}
else {
zero_v2(co_add);
}
/* map from x axis to (-0.5 - 0.5) */
#if 0
val = ((val - min) / (max - min)) - 0.5f;
#else
val = (val - min_ofs) * range_inv;
#endif
/* convert the x axis into a rotation */
phi = val * angle;
co[0] = -sinf(phi) * co[1];
co[1] = cosf(phi) * co[1];
add_v2_v2(co, co_add);
/* convert viewspace->objectspace */
add_v2_v2(co, center_view);
mul_v3_m4v3(tv->loc, imat_view, co);
}
}
static void setup_vertex_point(Mask *mask, MaskSpline *spline, MaskSplinePoint *new_point,
const float point_co[2], const float tangent[2], const float u,
MaskSplinePoint *reference_point, const short reference_adjacent,
const float view_zoom)
{
MaskSplinePoint *prev_point = NULL;
MaskSplinePoint *next_point = NULL;
BezTriple *bezt;
float co[3];
const float len = 10.0; /* default length of handle in pixel space */
copy_v2_v2(co, point_co);
co[2] = 0.0f;
/* point coordinate */
bezt = &new_point->bezt;
bezt->h1 = bezt->h2 = HD_ALIGN;
if (reference_point) {
bezt->h1 = bezt->h2 = MAX2(reference_point->bezt.h2, reference_point->bezt.h1);
}
else if (reference_adjacent) {
if (spline->tot_point != 1) {
int index = (int)(new_point - spline->points);
prev_point = &spline->points[(index - 1) % spline->tot_point];
next_point = &spline->points[(index + 1) % spline->tot_point];
bezt->h1 = bezt->h2 = MAX2(prev_point->bezt.h2, next_point->bezt.h1);
/* note, we may want to copy other attributes later, radius? pressure? color? */
}
}
copy_v3_v3(bezt->vec[0], co);
copy_v3_v3(bezt->vec[1], co);
copy_v3_v3(bezt->vec[2], co);
/* initial offset for handles */
if (spline->tot_point == 1) {
/* first point of splien is aligned horizontally */
bezt->vec[0][0] -= len * view_zoom;
bezt->vec[2][0] += len * view_zoom;
}
else if (tangent) {
float vec[2];
copy_v2_v2(vec, tangent);
mul_v2_fl(vec, len);
sub_v2_v2(bezt->vec[0], vec);
add_v2_v2(bezt->vec[2], vec);
if (reference_adjacent) {
BKE_mask_calc_handle_adjacent_interp(spline, new_point, u);
}
}
else {
/* calculating auto handles works much nicer */
#if 0
/* next points are aligning in the direction of previous/next point */
MaskSplinePoint *point;
float v1[2], v2[2], vec[2];
float dir = 1.0f;
if (new_point == spline->points) {
point = new_point + 1;
dir = -1.0f;
}
else
point = new_point - 1;
if (spline->tot_point < 3) {
v1[0] = point->bezt.vec[1][0] * width;
v1[1] = point->bezt.vec[1][1] * height;
v2[0] = new_point->bezt.vec[1][0] * width;
v2[1] = new_point->bezt.vec[1][1] * height;
}
else {
if (new_point == spline->points) {
v1[0] = spline->points[1].bezt.vec[1][0] * width;
v1[1] = spline->points[1].bezt.vec[1][1] * height;
v2[0] = spline->points[spline->tot_point - 1].bezt.vec[1][0] * width;
v2[1] = spline->points[spline->tot_point - 1].bezt.vec[1][1] * height;
}
else {
v1[0] = spline->points[0].bezt.vec[1][0] * width;
v1[1] = spline->points[0].bezt.vec[1][1] * height;
v2[0] = spline->points[spline->tot_point - 2].bezt.vec[1][0] * width;
v2[1] = spline->points[spline->tot_point - 2].bezt.vec[1][1] * height;
}
}
sub_v2_v2v2(vec, v1, v2);
mul_v2_fl(vec, len * dir / len_v2(vec));
vec[0] /= width;
vec[1] /= height;
add_v2_v2(bezt->vec[0], vec);
sub_v2_v2(bezt->vec[2], vec);
#else
BKE_mask_calc_handle_point_auto(spline, new_point, TRUE);
BKE_mask_calc_handle_adjacent_interp(spline, new_point, u);
#endif
}
BKE_mask_parent_init(&new_point->parent);
/* select new point */
MASKPOINT_SEL_ALL(new_point);
ED_mask_select_flush_all(mask);
}
