source/blender/src/drawtime.c

   1 /**
   2  * $Id:
   3  *
   4  * ***** BEGIN GPL LICENSE BLOCK *****
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  *
  20  * The Original Code is Copyright (C) 2005 Blender Foundation.
  21  * All rights reserved.
  22  *
  23  * The Original Code is: all of this file.
  24  *
  25  * Contributor(s): none yet.
  26  *
  27  * ***** END GPL LICENSE BLOCK *****
  28  */
  29
  30 #include <math.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include "BLI_blenlib.h"
  39 #include "BLI_arithb.h"
  40
  41 #include "DNA_action_types.h"
  42 #include "DNA_ipo_types.h"
  43 #include "DNA_object_types.h"
  44 #include "DNA_material_types.h"
  45 #include "DNA_scene_types.h"
  46 #include "DNA_space_types.h"
  47 #include "DNA_screen_types.h"
  48
  49 #include "BKE_ipo.h"
  50 #include "BKE_object.h"
  51 #include "BKE_material.h"
  52 #include "BKE_utildefines.h"
  53 #include "BKE_global.h"
  54
  55 #include "BIF_gl.h"
  56 #include "BIF_mywindow.h"
  57 #include "BIF_screen.h"
  58 #include "BIF_resources.h"
  59
  60 #include "BSE_drawipo.h"
  61 #include "BSE_view.h"
  62 #include "BMF_Api.h"
  63
  64 #include "blendef.h"
  65
  66 /* ---- prototypes ------ */
  67 void drawtimespace(ScrArea *, void *);
  68
  69
  70 static void draw_cfra_time(SpaceTime *stime)
  71 {
  72         float vec[2];
  73
  74         vec[0]=  (G.scene->r.cfra);
  75         vec[0]*= G.scene->r.framelen;
  76
  77         vec[1]= G.v2d->cur.ymin;
  78         glColor3ub(0x60, 0xc0, 0x40);   // no theme, should be global color once...
  79         glLineWidth(3.0);
  80
  81         glBegin(GL_LINES);
  82                 glVertex2fv(vec);
  83                 vec[1]= G.v2d->cur.ymax;
  84                 glVertex2fv(vec);
  85         glEnd();
  86
  87         glLineWidth(1.0);
  88
  89         if(stime->flag & TIME_CFRA_NUM) {
  90                 short mval[2];
  91                 float x,  y;
  92                 char str[32];
  93                 /* little box with frame */
  94
  95                 glFlush();      // huhh... without this glColor won't work for the text...
  96                 getmouseco_areawin(mval);
  97
  98                 if(mval[1]>curarea->winy-10) mval[1]= curarea->winy - 13;
  99
 100                 if (curarea->winy < 25) {
 101                         if (mval[1]<17) mval[1]= 17;
 102                 } else if (mval[1]<22) mval[1]= 22;
 103
 104                 areamouseco_to_ipoco(G.v2d, mval, &x, &y);
 105
 106                 if(stime->flag & TIME_DRAWFRAMES)
 107                         sprintf(str, "   %d\n", (G.scene->r.cfra));
 108                 else sprintf(str, "   %.2f\n", (G.scene->r.cfra/(float)G.scene->r.frs_sec));
 109
 110                 /* HACK! somehow the green color won't go away... */
 111                 glColor4ub(0, 0, 0, 0);
 112                 BIF_ThemeColor(TH_TEXT);
 113
 114                 glRasterPos2f(x, y);
 115                 BMF_DrawString(G.fonts, str);
 116
 117         }
 118
 119 }
 120
 121 static void draw_marker(TimeMarker *marker)
 122 {
 123         float xpos, xspace, yspace, xpixels, ypixels;
 124
 125         xpos = marker->frame;
 126         /* no time correction for framelen! space is drawn with old values */
 127
 128         xspace= G.v2d->cur.xmax - G.v2d->cur.xmin;
 129         yspace= G.v2d->cur.ymax - G.v2d->cur.ymin;
 130         xpixels= G.v2d->mask.xmax-G.v2d->mask.xmin;
 131         ypixels= G.v2d->mask.ymax-G.v2d->mask.ymin;
 132
 133         glEnable(GL_BLEND);
 134         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 135
 136         /* 5 px to offset icon to align properly, space / pixels corrects for zoom */
 137         if(marker->flag & SELECT)
 138                 BIF_draw_icon_blended(xpos-(5.0*(xspace/xpixels)), 12.0*yspace/ypixels, ICON_MARKER_HLT, TH_BACK, 0);
 139         else
 140                 BIF_draw_icon_blended(xpos-(5.0*(xspace/xpixels)), 12.0*yspace/ypixels, ICON_MARKER, TH_BACK, 0);
 141
 142         glBlendFunc(GL_ONE, GL_ZERO);
 143         glDisable(GL_BLEND);
 144
 145         /* and the marker name too, shifted slightly to the top-right */
 146         if(marker->name && marker->name[0]) {
 147                 if(marker->flag & SELECT) {
 148                         BIF_ThemeColor(TH_TEXT_HI);
 149                         glRasterPos2f(xpos+(4.0*(xspace/xpixels)),
 150                                         ((ypixels<=39.0)?(ypixels-10.0):29.0)*yspace/ypixels);
 151                 }
 152                 else {
 153                         BIF_ThemeColor(TH_TEXT);
 154                         if((marker->frame <= G.scene->r.cfra) && (marker->frame+5 > G.scene->r.cfra))
 155                                 glRasterPos2f(xpos+(4.0*(xspace/xpixels)),
 156                                                 ((ypixels<=39.0)?(ypixels-10.0):29.0)*yspace/ypixels);
 157                         else
 158                                 glRasterPos2f(xpos+(4.0*(xspace/xpixels)), 17.0*yspace/ypixels);
 159                 }
 160                 BMF_DrawString(G.font, marker->name);
 161         }
 162 }
 163
 164 static void draw_markers_time( void )
 165 {
 166         TimeMarker *marker;
 167
 168         /* unselected markers are drawn at the first time */
 169         for(marker= G.scene->markers.first; marker; marker= marker->next) {
 170                 if(!(marker->flag & SELECT)) draw_marker(marker);
 171         }
 172
 173         /* selected markers are drawn later ... selected markers have to cover unselected
 174          * markers laying at the same position as selected markers
 175          * (jiri: it is hack, it could be solved better) */
 176         for(marker= G.scene->markers.first; marker; marker= marker->next) {
 177                 if(marker->flag & SELECT) draw_marker(marker);
 178         }
 179 }
 180
 181 static void draw_sfra_efra()
 182 {
 183         BIF_ThemeColorShade(TH_BACK, -25);
 184
 185         if (G.scene->r.sfra < G.scene->r.efra) {
 186                 glRectf(G.v2d->cur.xmin, G.v2d->cur.ymin, G.scene->r.sfra, G.v2d->cur.ymax);
 187
 188                 glRectf(G.scene->r.efra, G.v2d->cur.ymin, G.v2d->cur.xmax, G.v2d->cur.ymax);
 189         } else {
 190                 glRectf(G.v2d->cur.xmin, G.v2d->cur.ymin, G.v2d->cur.xmax, G.v2d->cur.ymax);
 191         }
 192
 193         BIF_ThemeColorShade(TH_BACK, -60);
 194         /* thin lines where the actual frames are */
 195         fdrawline(G.scene->r.sfra, G.v2d->cur.ymin, G.scene->r.sfra, G.v2d->cur.ymax);
 196         fdrawline(G.scene->r.efra, G.v2d->cur.ymin, G.scene->r.efra, G.v2d->cur.ymax);
 197
 198         glDisable(GL_BLEND);
 199 }
 200
 201 /*draw all the keys in a list (elems) as lines */
 202 static void draw_key_list(ListBase elems, char col[3])
 203 {
 204         CfraElem *ce;
 205         float drawframe;
 206
 207         ce= elems.first;
 208         while(ce) {
 209                 drawframe = ce->cfra; //not correct for G.scene->r.framelen;
 210                 glColor3ub(col[0], col[1], col[2]);
 211
 212                 fdrawline(drawframe, G.v2d->cur.ymin, drawframe, G.v2d->cur.ymax);
 213
 214                 ce= ce->next;
 215         }
 216 }
 217
 218 static void draw_ob_keys()
 219 {
 220         /*mostly copied from drawobject.c, draw_object() */
 221         Object *ob;
 222         bActionChannel *achan;
 223         bAction *act;
 224         ListBase elems;
 225         int a;
 226         char col[3];
 227
 228         if (OBACT) {
 229                 ob = OBACT;
 230
 231                 if(ob) {
 232                         if(ob!=G.obedit) {
 233                                 if(ob->ipo) {
 234                                         /* convert the ipo to a list of 'current frame elements' */
 235
 236                                         elems.first= elems.last= NULL;
 237                                         make_cfra_list(ob->ipo, &elems);
 238
 239                                         /* draw the list of current frame elements */
 240                                         col[0] = 0xDD; col[1] = 0xD7; col[2] = 0x00;
 241                                         draw_key_list(elems, col);
 242
 243                                         BLI_freelistN(&elems);
 244                                 }
 245
 246                                 if(ob->action) {
 247                                         act = ob->action;
 248
 249                                         /* go through each channel in the action */
 250                                         for (achan=act->chanbase.first; achan; achan=achan->next){
 251                                                 /* convert the ipo to a list of 'current frame elements' */
 252                                                 if(achan->ipo) {
 253                                                         elems.first= elems.last= NULL;
 254                                                         make_cfra_list(achan->ipo, &elems);
 255
 256                                                         col[0] = 0x00; col[1] = 0x82; col[2] = 0x8B;
 257                                                         draw_key_list(elems, col);
 258
 259                                                         BLI_freelistN(&elems);
 260                                                 }
 261                                         }
 262                                 }
 263
 264                                 for(a=0; a<ob->totcol; a++) {
 265                                         Material *ma= give_current_material(ob, a+1);
 266
 267                                         if(ma && ma->ipo) {
 268                                                 elems.first= elems.last= NULL;
 269                                                 make_cfra_list(ma->ipo, &elems);
 270
 271                                                 col[0] = 0xDD; col[1] = 0xA7; col[2] = 0x00;
 272                                                 draw_key_list(elems, col);
 273
 274                                                 BLI_freelistN(&elems);
 275                                         }
 276                                 }
 277
 278                         }
 279                 }
 280         }
 281 }
 282
 283 void drawtimespace(ScrArea *sa, void *spacedata)
 284 {
 285         SpaceTime *stime= sa->spacedata.first;
 286         float col[3];
 287
 288         BIF_GetThemeColor3fv(TH_BACK, col);
 289         glClearColor(col[0], col[1], col[2], 0.0);
 290         glClear(GL_COLOR_BUFFER_BIT);
 291
 292         calc_scrollrcts(sa, &(stime->v2d), curarea->winx, curarea->winy);
 293
 294         myortho2(stime->v2d.cur.xmin, stime->v2d.cur.xmax, stime->v2d.cur.ymin, stime->v2d.cur.ymax);
 295
 296         /* draw darkened area outside of active timeline */
 297         draw_sfra_efra();
 298
 299         /* boundbox_seq(); */
 300         calc_ipogrid();
 301         draw_ipogrid();
 302
 303         draw_cfra_time(spacedata);
 304         draw_ob_keys();
 305         draw_markers_time();
 306
 307         /* restore viewport */
 308         mywinset(curarea->win);
 309
 310         /* ortho at pixel level curarea */
 311         myortho2(-0.375, curarea->winx-0.375, -0.375, curarea->winy-0.375);
 312
 313         /* the bottom with time values */
 314         BIF_ThemeColor(TH_HEADER);
 315         glRectf(0.0f, 0.0f, (float)curarea->winx, 12.0f);
 316         BIF_ThemeColorShade(TH_HEADER, 50);
 317         fdrawline(0.0f, 12.0f, (float)curarea->winx, 12.0f);
 318         draw_view2d_numbers_horiz(stime->flag & TIME_DRAWFRAMES);
 319
 320         draw_area_emboss(sa);
 321         curarea->win_swap= WIN_BACK_OK;
 322 }