cinelerra/mtimebar.C

   1 #include "bcsignals.h"
   2 #include "clip.h"
   3 #include "cwindow.h"
   4 #include "edl.h"
   5 #include "edlsession.h"
   6 #include "localsession.h"
   7 #include "maincursor.h"
   8 #include "mainsession.h"
   9 #include "mbuttons.h"
  10 #include "mtimebar.h"
  11 #include "mwindowgui.h"
  12 #include "mwindow.h"
  13 #include "patchbay.h"
  14 #include "preferences.h"
  15 #include "theme.h"
  16 #include "trackcanvas.h"
  17 #include "tracks.h"
  18 #include "transportque.h"
  19 #include "zoombar.h"
  20
  21
  22
  23 MTimeBar::MTimeBar(MWindow *mwindow,
  24         MWindowGUI *gui,
  25         int x,
  26         int y,
  27         int w,
  28         int h)
  29  : TimeBar(mwindow, gui, x, y, w, h)
  30 {
  31         this->gui = gui;
  32 }
  33
  34
  35 int64_t MTimeBar::position_to_pixel(double position)
  36 {
  37         return (int64_t)(position *
  38                 mwindow->edl->session->sample_rate /
  39                 mwindow->edl->local_session->zoom_sample -
  40                 mwindow->edl->local_session->view_start);
  41 }
  42
  43
  44 void MTimeBar::stop_playback()
  45 {
  46         gui->unlock_window();
  47         gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
  48         gui->lock_window();
  49 }
  50
  51 #define TEXT_MARGIN 4
  52 #define TICK_SPACING 5
  53 #define LINE_MARGIN 3
  54 #define TICK_MARGIN 16
  55 void MTimeBar::draw_time()
  56 {
  57
  58         char string[BCTEXTLEN];
  59         int sample_rate = mwindow->edl->session->sample_rate;
  60         double frame_rate = mwindow->edl->session->frame_rate;
  61         int64_t windowspan = 0;
  62 // Seconds between text markings
  63         double text_interval = 3600.0;
  64 // Seconds between tick marks
  65         double tick_interval = 3600.0;
  66         int64_t timescale2 = 0;
  67         float timescale3 = 0;
  68         int pixel = 0;
  69
  70
  71 // Calculate tick mark spacing, number spacing, and starting point based
  72 // on zoom, time format, project settings.
  73
  74 // If the time format is for audio, mark round numbers of samples based on
  75 // samplerate.
  76 // Fow low zoom, mark tens of samples.
  77
  78 // If the time format is for video, mark round number of frames based on
  79 // framerate.
  80 // For low zoom, mark individual frames.
  81
  82         windowspan = mwindow->edl->local_session->zoom_sample * get_w();
  83
  84
  85         draw_range();
  86
  87
  88
  89
  90
  91 // Number of seconds per pixel
  92         double time_per_pixel = (double)mwindow->edl->local_session->zoom_sample /
  93                 sample_rate;
  94 // Seconds in each frame
  95         double frame_seconds = (double)1.0 / frame_rate;
  96 // Starting time of view in seconds.
  97         double view_start = mwindow->edl->local_session->view_start * time_per_pixel;
  98 // Ending time of view in seconds
  99         double view_end = (double)(mwindow->edl->local_session->view_start +
 100                 get_w()) * time_per_pixel;
 101 // Get minimum distance between text marks
 102         int min_pixels1 = get_text_width(MEDIUMFONT,
 103                 Units::totext(string,
 104                         view_start,
 105                         mwindow->edl->session->time_format,
 106                         sample_rate,
 107                         mwindow->edl->session->frame_rate,
 108                         mwindow->edl->session->frames_per_foot)) + TEXT_MARGIN;
 109         int min_pixels2 = get_text_width(MEDIUMFONT,
 110                 Units::totext(string,
 111                         view_end,
 112                         mwindow->edl->session->time_format,
 113                         sample_rate,
 114                         mwindow->edl->session->frame_rate,
 115                         mwindow->edl->session->frames_per_foot)) + TEXT_MARGIN;
 116         int min_pixels = (int)MAX(min_pixels1, min_pixels2);
 117
 118
 119 // Minimum seconds between text marks
 120         double min_time = (double)min_pixels *
 121                 mwindow->edl->local_session->zoom_sample /
 122                 sample_rate;
 123
 124
 125 // Get first text mark on or before window start
 126         int64_t starting_mark = 0;
 127
 128         int progression = 1;
 129
 130 // Default text spacing
 131         text_interval = 0.5;
 132         double prev_text_interval = 1.0;
 133
 134         while(text_interval >= min_time)
 135         {
 136                 prev_text_interval = text_interval;
 137                 if(progression == 0)
 138                 {
 139                         text_interval /= 2;
 140                         progression++;
 141                 }
 142                 else
 143                 if(progression == 1)
 144                 {
 145                         text_interval /= 2;
 146                         progression++;
 147                 }
 148                 else
 149                 if(progression == 2)
 150                 {
 151                         text_interval /= 2.5;
 152                         progression = 0;
 153                 }
 154         }
 155
 156         text_interval = prev_text_interval;
 157
 158         if(1 >= min_time)
 159                 ;
 160         else
 161         if(2 >= min_time)
 162                 text_interval = 2;
 163         else
 164         if(5 >= min_time)
 165                 text_interval = 5;
 166         else
 167         if(10 >= min_time)
 168                 text_interval = 10;
 169         else
 170         if(15 >= min_time)
 171                 text_interval = 15;
 172         else
 173         if(20 >= min_time)
 174                 text_interval = 20;
 175         else
 176         if(30 >= min_time)
 177                 text_interval = 30;
 178         else
 179         if(60 >= min_time)
 180                 text_interval = 60;
 181         else
 182         if(120 >= min_time)
 183                 text_interval = 120;
 184         else
 185         if(300 >= min_time)
 186                 text_interval = 300;
 187         else
 188         if(600 >= min_time)
 189                 text_interval = 600;
 190         else
 191         if(1200 >= min_time)
 192                 text_interval = 1200;
 193         else
 194         if(1800 >= min_time)
 195                 text_interval = 1800;
 196         else
 197         if(3600 >= min_time)
 198                 text_interval = 3600;
 199
 200 // Set text interval
 201         switch(mwindow->edl->session->time_format)
 202         {
 203                 case TIME_FEET_FRAMES:
 204                 {
 205                         double foot_seconds = frame_seconds * mwindow->edl->session->frames_per_foot;
 206                         if(frame_seconds >= min_time)
 207                                 text_interval = frame_seconds;
 208                         else
 209                         if(foot_seconds / 8.0 > min_time)
 210                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot / 8.0;
 211                         else
 212                         if(foot_seconds / 4.0 > min_time)
 213                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot / 4.0;
 214                         else
 215                         if(foot_seconds / 2.0 > min_time)
 216                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot / 2.0;
 217                         else
 218                         if(foot_seconds > min_time)
 219                                 text_interval = frame_seconds * mwindow->edl->session->frames_per_foot;
 220                         else
 221                         if(foot_seconds * 2 >= min_time)
 222                                 text_interval = foot_seconds * 2;
 223                         else
 224                         if(foot_seconds * 5 >= min_time)
 225                                 text_interval = foot_seconds * 5;
 226                         else
 227                         {
 228
 229                                 for(int factor = 10, progression = 0; factor <= 100000; )
 230                                 {
 231                                         if(foot_seconds * factor >= min_time)
 232                                         {
 233                                                 text_interval = foot_seconds * factor;
 234                                                 break;
 235                                         }
 236
 237                                         if(progression == 0)
 238                                         {
 239                                                 factor = (int)(factor * 2.5);
 240                                                 progression++;
 241                                         }
 242                                         else
 243                                         if(progression == 1)
 244                                         {
 245                                                 factor = (int)(factor * 2);
 246                                                 progression++;
 247                                         }
 248                                         else
 249                                         if(progression == 2)
 250                                         {
 251                                                 factor = (int)(factor * 2);
 252                                                 progression = 0;
 253                                         }
 254                                 }
 255
 256                         }
 257                         break;
 258                 }
 259
 260                 case TIME_FRAMES:
 261                 case TIME_HMSF:
 262 // One frame per text mark
 263                         if(frame_seconds >= min_time)
 264                                 text_interval = frame_seconds;
 265                         else
 266                         if(frame_seconds * 2 >= min_time)
 267                                 text_interval = frame_seconds * 2;
 268                         else
 269                         if(frame_seconds * 5 >= min_time)
 270                                 text_interval = frame_seconds * 5;
 271                         else
 272                         {
 273
 274                                 for(int factor = 10, progression = 0; factor <= 100000; )
 275                                 {
 276                                         if(frame_seconds * factor >= min_time)
 277                                         {
 278                                                 text_interval = frame_seconds * factor;
 279                                                 break;
 280                                         }
 281
 282                                         if(progression == 0)
 283                                         {
 284                                                 factor = (int)(factor * 2.5);
 285                                                 progression++;
 286                                         }
 287                                         else
 288                                         if(progression == 1)
 289                                         {
 290                                                 factor = (int)(factor * 2);
 291                                                 progression++;
 292                                         }
 293                                         else
 294                                         if(progression == 2)
 295                                         {
 296                                                 factor = (int)(factor * 2);
 297                                                 progression = 0;
 298                                         }
 299                                 }
 300
 301                         }
 302                         break;
 303
 304                 default:
 305                         break;
 306         }
 307
 308 // Sanity
 309         while(text_interval < min_time)
 310         {
 311                 text_interval *= 2;
 312         }
 313
 314 // Set tick interval
 315         tick_interval = text_interval;
 316
 317         switch(mwindow->edl->session->time_format)
 318         {
 319                 case TIME_HMSF:
 320                 case TIME_FEET_FRAMES:
 321                 case TIME_FRAMES:
 322                         if(frame_seconds / time_per_pixel > TICK_SPACING)
 323                                 tick_interval = frame_seconds;
 324                         break;
 325         }
 326
 327 // Get first text mark on or before window start
 328         starting_mark = (int64_t)((double)mwindow->edl->local_session->view_start *
 329                 time_per_pixel / text_interval);
 330
 331         double start_position = (double)starting_mark * text_interval;
 332         int64_t iteration = 0;
 333
 334
 335 //printf("text_interval=%f\n", text_interval);
 336         while(start_position + text_interval * iteration < view_end)
 337         {
 338                 double position1 = start_position + text_interval * iteration;
 339                 int pixel = (int64_t)(position1 / time_per_pixel) -
 340                         mwindow->edl->local_session->view_start;
 341                 int pixel1 = pixel;
 342
 343                 Units::totext(string,
 344                         position1,
 345                         mwindow->edl->session->time_format,
 346                         sample_rate,
 347                         mwindow->edl->session->frame_rate,
 348                         mwindow->edl->session->frames_per_foot);
 349                 set_color(get_resources()->default_text_color);
 350                 set_font(MEDIUMFONT);
 351
 352                 draw_text(pixel + TEXT_MARGIN, get_text_ascent(MEDIUMFONT), string);
 353                 draw_line(pixel, LINE_MARGIN, pixel, get_h() - 2);
 354
 355                 double position2 = start_position + text_interval * (iteration + 1);
 356                 int pixel2 = (int64_t)(position2 / time_per_pixel) -
 357                         mwindow->edl->local_session->view_start;
 358
 359                 for(double tick_position = position1;
 360                         tick_position < position2;
 361                         tick_position += tick_interval)
 362                 {
 363                         pixel = (int64_t)(tick_position / time_per_pixel) -
 364                                 mwindow->edl->local_session->view_start;
 365                         if(labs(pixel - pixel1) > 1 &&
 366                                 labs(pixel - pixel2) > 1)
 367                                 draw_line(pixel, TICK_MARGIN, pixel, get_h() - 2);
 368                 }
 369                 iteration++;
 370         }
 371
 372
 373 }
 374
 375 void MTimeBar::draw_range()
 376 {
 377         int x1 = 0, x2 = 0;
 378         if(mwindow->edl->tracks->total_playable_vtracks() &&
 379                 mwindow->preferences->use_brender)
 380         {
 381                 double time_per_pixel = (double)mwindow->edl->local_session->zoom_sample /
 382                         mwindow->edl->session->sample_rate;
 383                 x1 = (int)(mwindow->edl->session->brender_start / time_per_pixel) -
 384                         mwindow->edl->local_session->view_start;
 385                 x2 = (int)(mwindow->session->brender_end / time_per_pixel) -
 386                         mwindow->edl->local_session->view_start;
 387         }
 388
 389         if(x2 > x1 &&
 390                 x1 < get_w() &&
 391                 x2 > 0)
 392         {
 393                 draw_top_background(get_parent(), 0, 0, x1, get_h());
 394
 395                 draw_3segmenth(x1, 0, x2 - x1, mwindow->theme->get_image("timebar_brender"));
 396
 397                 draw_top_background(get_parent(), x2, 0, get_w() - x2, get_h());
 398         }
 399         else
 400                 draw_top_background(get_parent(), 0, 0, get_w(), get_h());
 401 //printf("MTimeBar::draw_range %f %f\n", mwindow->session->brender_end, time_per_pixel);
 402 }
 403
 404 void MTimeBar::select_label(double position)
 405 {
 406         EDL *edl = mwindow->edl;
 407
 408         mwindow->gui->unlock_window();
 409         mwindow->gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
 410         mwindow->gui->lock_window();
 411
 412         position = mwindow->edl->align_to_frame(position, 1);
 413
 414         if(shift_down())
 415         {
 416                 if(position > edl->local_session->get_selectionend(1) / 2 +
 417                         edl->local_session->get_selectionstart(1) / 2)
 418                 {
 419
 420                         edl->local_session->set_selectionend(position);
 421                 }
 422                 else
 423                 {
 424                         edl->local_session->set_selectionstart(position);
 425                 }
 426         }
 427         else
 428         {
 429                 edl->local_session->set_selectionstart(position);
 430                 edl->local_session->set_selectionend(position);
 431         }
 432
 433 // Que the CWindow
 434         mwindow->cwindow->update(1, 0, 0, 0, 1);
 435         mwindow->gui->cursor->hide(0);
 436         mwindow->gui->cursor->draw(1);
 437         mwindow->gui->canvas->activate();
 438         mwindow->gui->zoombar->update();
 439         mwindow->gui->patchbay->update();
 440         mwindow->update_plugin_guis();
 441         update_highlights();
 442         mwindow->gui->canvas->flash();
 443 }
 444
 445
 446 int MTimeBar::resize_event()
 447 {
 448         reposition_window(mwindow->theme->mtimebar_x,
 449                 mwindow->theme->mtimebar_y,
 450                 mwindow->theme->mtimebar_w,
 451                 mwindow->theme->mtimebar_h);
 452         update();
 453         return 1;
 454 }
 455
 456 int MTimeBar::test_preview(int buttonpress)
 457 {
 458         int result = 0;
 459         return result;
 460 }
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