void clip_draw_cfra(SpaceClip *sc, ARegion *ar, Scene *scene)
{
View2D *v2d = &ar->v2d;
float xscale, yscale;
float vec[2];
/* Draw a light green line to indicate current frame */
vec[0] = (float)(sc->user.framenr * scene->r.framelen);
UI_ThemeColor(TH_CFRAME);
glLineWidth(2.0);
glBegin(GL_LINE_STRIP);
vec[1] = v2d->cur.ymin;
glVertex2fv(vec);
vec[1] = v2d->cur.ymax;
glVertex2fv(vec);
glEnd();
glLineWidth(1.0);
UI_view2d_view_orthoSpecial(ar, v2d, 1);
/* because the frame number text is subject to the same scaling as the contents of the view */
UI_view2d_getscale(v2d, &xscale, &yscale);
glScalef(1.0f / xscale, 1.0f, 1.0f);
clip_draw_curfra_label(sc->user.framenr, (float)sc->user.framenr * xscale, 18);
/* restore view transform */
glScalef(xscale, 1.0, 1.0);
}
static void draw_movieclip_cache(SpaceClip *sc, ARegion *ar, MovieClip *clip, Scene *scene)
{
float x;
int *points, totseg, i, a;
float sfra = SFRA, efra = EFRA, framelen = ar->winx / (efra - sfra + 1);
MovieTrackingTrack *act_track = BKE_tracking_track_get_active(&clip->tracking);
MovieTrackingReconstruction *reconstruction = BKE_tracking_get_active_reconstruction(&clip->tracking);
glEnable(GL_BLEND);
/* cache background */
glColor4ub(128, 128, 255, 64);
glRecti(0, 0, ar->winx, 8);
/* cached segments -- could be usefu lto debug caching strategies */
BKE_movieclip_get_cache_segments(clip, &sc->user, &totseg, &points);
if (totseg) {
glColor4ub(128, 128, 255, 128);
for (a = 0; a < totseg; a++) {
float x1, x2;
x1 = (points[a * 2] - sfra) / (efra - sfra + 1) * ar->winx;
x2 = (points[a * 2 + 1] - sfra + 1) / (efra - sfra + 1) * ar->winx;
glRecti(x1, 0, x2, 8);
}
}
/* track */
if (act_track) {
MovieTrackingTrack *track = act_track;
for (i = sfra - clip->start_frame + 1, a = 0; i <= efra - clip->start_frame + 1; i++) {
int framenr;
MovieTrackingMarker *marker;
while (a < track->markersnr) {
if (track->markers[a].framenr >= i)
break;
if (a < track->markersnr - 1 && track->markers[a + 1].framenr > i)
break;
a++;
}
if (a < track->markersnr)
marker = &track->markers[a];
else
marker = &track->markers[track->markersnr - 1];
if ((marker->flag & MARKER_DISABLED) == 0) {
framenr = marker->framenr;
if (framenr != i)
glColor4ub(128, 128, 0, 96);
else if ((marker->flag & MARKER_TRACKED) == 0)
glColor4ub(255, 255, 0, 196);
else
glColor4ub(255, 255, 0, 96);
glRecti((i - sfra + clip->start_frame - 1) * framelen, 0, (i - sfra + clip->start_frame) * framelen, 4);
}
}
}
/* failed frames */
if (reconstruction->flag & TRACKING_RECONSTRUCTED) {
int n = reconstruction->camnr;
MovieReconstructedCamera *cameras = reconstruction->cameras;
glColor4ub(255, 0, 0, 96);
for (i = sfra, a = 0; i <= efra; i++) {
int ok = FALSE;
while (a < n) {
if (cameras[a].framenr == i) {
ok = TRUE;
break;
}
else if (cameras[a].framenr > i) {
break;
}
a++;
}
if (!ok)
glRecti((i - sfra + clip->start_frame - 1) * framelen, 0, (i - sfra + clip->start_frame) * framelen, 8);
}
}
glDisable(GL_BLEND);
/* current frame */
x = (sc->user.framenr - sfra) / (efra - sfra + 1) * ar->winx;
UI_ThemeColor(TH_CFRAME);
glRecti(x, 0, x + framelen, 8);
clip_draw_curfra_label(sc, x, 8.0f);
/* movie clip animation */
if ((sc->mode == SC_MODE_MASKEDIT) && sc->mask_info.mask) {
MaskLayer *masklay = BKE_mask_layer_active(sc->mask_info.mask);
if (masklay) {
MaskLayerShape *masklay_shape;
glColor4ub(255, 175, 0, 255);
glBegin(GL_LINES);
for (masklay_shape = masklay->splines_shapes.first;
masklay_shape;
masklay_shape = masklay_shape->next)
{
i = masklay_shape->frame;
/* glRecti((i - sfra) * framelen, 0, (i - sfra + 1) * framelen, 4); */
/* use a line so we always see the keyframes */
glVertex2i((i - sfra) * framelen, 0);
glVertex2i((i - sfra) * framelen, (i == CFRA) ? 22 : 10);
}
glEnd();
}
}
}
