diff options
Diffstat (limited to 'source/blender/editors/space_clip/clip_graph_draw.c')
| -rw-r--r-- | source/blender/editors/space_clip/clip_graph_draw.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/source/blender/editors/space_clip/clip_graph_draw.c b/source/blender/editors/space_clip/clip_graph_draw.c new file mode 100644 index 00000000000..7b14783d4ca --- /dev/null +++ b/source/blender/editors/space_clip/clip_graph_draw.c @@ -0,0 +1,255 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2011 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Blender Foundation, + * Sergey Sharybin + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/space_clip/clip_graph_draw.c + * \ingroup spclip + */ + +#include "DNA_movieclip_types.h" +#include "DNA_scene_types.h" +#include "DNA_object_types.h" /* SELECT */ + +#include "MEM_guardedalloc.h" + +#include "BKE_context.h" +#include "BKE_movieclip.h" +#include "BKE_tracking.h" + +#include "BLI_utildefines.h" +#include "BLI_math.h" +#include "BLI_string.h" + +#include "ED_screen.h" +#include "ED_clip.h" + +#include "BIF_gl.h" + +#include "WM_types.h" + +#include "UI_interface.h" +#include "UI_resources.h" +#include "UI_view2d.h" + +#include "BLF_api.h" + +#include "clip_intern.h" // own include + +static void draw_curve_knot(float x, float y, float xscale, float yscale, float hsize) +{ + static GLuint displist=0; + + /* initialise round circle shape */ + if (displist == 0) { + GLUquadricObj *qobj; + + displist= glGenLists(1); + glNewList(displist, GL_COMPILE); + + qobj= gluNewQuadric(); + gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); + gluDisk(qobj, 0, 0.7, 8, 1); + gluDeleteQuadric(qobj); + + glEndList(); + } + + glPushMatrix(); + + glTranslatef(x, y, 0.0f); + glScalef(1.0f/xscale*hsize, 1.0f/yscale*hsize, 1.0f); + glCallList(displist); + + glPopMatrix(); +} + +static void draw_graph_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, (float)sc->user.framenr * xscale, 18); + + /* restore view transform */ + glScalef(xscale, 1.0, 1.0); +} + +static void tracking_segment_point_cb(void *UNUSED(userdata), MovieTrackingTrack *UNUSED(track), + MovieTrackingMarker *marker, int UNUSED(coord), float val) +{ + glVertex2f(marker->framenr, val); +} + +void tracking_segment_start_cb(void *userdata, MovieTrackingTrack *track, int coord) +{ + static float colors[2][3] = {{1.0f, 0.0f, 0.0f}, + {0.0f, 1.0f, 0.0f}}; + float col[4]; + + copy_v3_v3(col, colors[coord]); + + if(track==userdata) { + col[3]= 1.0f; + glLineWidth(2.0f); + } else { + col[3]= 0.5f; + glLineWidth(1.0f); + } + + glColor4fv(col); + + glBegin(GL_LINE_STRIP); +} + +void tracking_segment_end_cb(void *UNUSED(userdata)) +{ + glEnd(); + + glLineWidth(1.0f); +} + +static void tracking_segment_knot_cb(void *userdata, MovieTrackingTrack *track, + MovieTrackingMarker *marker, int UNUSED(coord), float val) +{ + struct { MovieTrackingTrack *act_track; int sel; float xscale, yscale, hsize; } *data = userdata; + int sel= 0; + + if(track!=data->act_track) + return; + + sel= (marker->flag&MARKER_GRAPH_SEL) ? 1 : 0; + + if(sel == data->sel) { + if(sel) UI_ThemeColor(TH_HANDLE_VERTEX_SELECT); + else UI_ThemeColor(TH_HANDLE_VERTEX); + + draw_curve_knot(marker->framenr, val, data->xscale, data->yscale, data->hsize); + } +} + +static void draw_tracks_curves(View2D *v2d, SpaceClip *sc) +{ + MovieClip *clip= ED_space_clip(sc); + MovieTracking *tracking= &clip->tracking; + int width, height; + struct { MovieTrackingTrack *act_track; int sel; float xscale, yscale, hsize; } userdata; + + BKE_movieclip_get_size(clip, &sc->user, &width, &height); + + if(!width || !height) + return; + + /* non-selected knot handles */ + userdata.hsize= UI_GetThemeValuef(TH_HANDLE_VERTEX_SIZE); + userdata.sel= 0; + userdata.act_track= clip->tracking.act_track; + UI_view2d_getscale(v2d, &userdata.xscale, &userdata.yscale); + clip_graph_tracking_values_iterate(sc, &userdata, tracking_segment_knot_cb, NULL, NULL); + + /* draw graph lines */ + glEnable(GL_BLEND); + clip_graph_tracking_values_iterate(sc, tracking->act_track, tracking_segment_point_cb, tracking_segment_start_cb, tracking_segment_end_cb); + glDisable(GL_BLEND); + + /* selected knot handles on top of curves */ + userdata.sel= 1; + clip_graph_tracking_values_iterate(sc, &userdata, tracking_segment_knot_cb, NULL, NULL); +} + +static void draw_frame_curves(SpaceClip *sc) +{ + MovieClip *clip= ED_space_clip(sc); + MovieTracking *tracking= &clip->tracking; + MovieTrackingReconstruction *reconstruction= &tracking->reconstruction; + int i, lines= 0, prevfra= 0; + + glColor3f(0.0f, 0.0f, 1.0f); + + for(i= 0; i<reconstruction->camnr; i++) { + MovieReconstructedCamera *camera= &reconstruction->cameras[i]; + + if(lines && camera->framenr!=prevfra+1) { + glEnd(); + lines= 0; + } + + if(!lines) { + glBegin(GL_LINE_STRIP); + lines= 1; + } + + glVertex2f(camera->framenr, camera->error); + + prevfra= camera->framenr; + } + + if(lines) + glEnd(); +} + +void clip_draw_graph(SpaceClip *sc, ARegion *ar, Scene *scene) +{ + View2D *v2d= &ar->v2d; + View2DGrid *grid; + short unitx= V2D_UNIT_FRAMESCALE, unity= V2D_UNIT_VALUES; + + /* grid */ + grid= UI_view2d_grid_calc(scene, v2d, unitx, V2D_GRID_NOCLAMP, unity, V2D_GRID_NOCLAMP, ar->winx, ar->winy); + UI_view2d_grid_draw(v2d, grid, V2D_GRIDLINES_ALL); + UI_view2d_grid_free(grid); + + if(sc->flag&SC_SHOW_GRAPH_TRACKS) + draw_tracks_curves(v2d, sc); + + if(sc->flag&SC_SHOW_GRAPH_FRAMES) + draw_frame_curves(sc); + + /* current frame */ + draw_graph_cfra(sc, ar, scene); +} |