src/image.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "image.h"
  24
  25
  26 #include "collect.h"
  27 #include "color-man.h"
  28 #include "exif.h"
  29 #include "metadata.h"
  30 #include "histogram.h"
  31 #include "image-load.h"
  32 #include "image-overlay.h"
  33 #include "layout.h"
  34 #include "layout_image.h"
  35 #include "pixbuf-renderer.h"
  36 #include "pixbuf_util.h"
  37 #include "ui_fileops.h"
  38
  39 #include "filedata.h"
  40 #include "filecache.h"
  41
  42 #include <math.h>
  43
  44 static GList *image_list = NULL;
  45
  46 static void image_update_title(ImageWindow *imd);
  47 static void image_read_ahead_start(ImageWindow *imd);
  48 static void image_cache_set(ImageWindow *imd, FileData *fd);
  49
  50 /*
  51  *-------------------------------------------------------------------
  52  * 'signals'
  53  *-------------------------------------------------------------------
  54  */
  55
  56 static void image_click_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  57 {
  58         ImageWindow *imd = data;
  59         if (!options->image_lm_click_nav && event->button == MOUSE_BUTTON_MIDDLE)
  60                 {
  61                 imd->mouse_wheel_mode = !imd->mouse_wheel_mode;
  62                 }
  63
  64         if (imd->func_button)
  65                 {
  66                 imd->func_button(imd, event, imd->data_button);
  67                 }
  68 }
  69
  70 static void image_press_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  71 {
  72         ImageWindow *imd = data;
  73         LayoutWindow *lw;
  74
  75         lw = layout_find_by_image(imd);
  76         if (event->button == MOUSE_BUTTON_LEFT && event->type == GDK_2BUTTON_PRESS  && !options->image_lm_click_nav)
  77                 {
  78                 if (lw->full_screen)
  79                         layout_image_full_screen_stop(lw);
  80                 }
  81 }
  82
  83 static void image_drag_cb(PixbufRenderer *pr, GdkEventMotion *event, gpointer data)
  84 {
  85         ImageWindow *imd = data;
  86         gint width, height;
  87
  88         pixbuf_renderer_get_scaled_size(pr, &width, &height);
  89
  90         if (imd->func_drag)
  91                 {
  92                 imd->func_drag(imd, event,
  93                                (gfloat)(pr->drag_last_x - event->x) / width,
  94                                (gfloat)(pr->drag_last_y - event->y) / height,
  95                                imd->data_button);
  96                 }
  97 }
  98
  99 static void image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
 100 {
 101         ImageWindow *imd = data;
 102
 103         if (imd->func_scroll_notify && pr->scale)
 104                 {
 105                 imd->func_scroll_notify(imd,
 106                                         (gint)((gdouble)pr->x_scroll / pr->scale),
 107                                         (gint)((gdouble)pr->y_scroll / pr->scale),
 108                                         (gint)((gdouble)pr->image_width - pr->vis_width / pr->scale),
 109                                         (gint)((gdouble)pr->image_height - pr->vis_height / pr->scale),
 110                                         imd->data_scroll_notify);
 111                 }
 112 }
 113
 114 static void image_update_util(ImageWindow *imd)
 115 {
 116         if (imd->func_update) imd->func_update(imd, imd->data_update);
 117 }
 118
 119
 120 static void image_complete_util(ImageWindow *imd, gboolean preload)
 121 {
 122         if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
 123
 124         DEBUG_1("%s image load completed \"%s\" (%s)", get_exec_time(),
 125                           (preload) ? (imd->read_ahead_fd ? imd->read_ahead_fd->path : "null") :
 126                                       (imd->image_fd ? imd->image_fd->path : "null"),
 127                           (preload) ? "preload" : "current");
 128
 129         if (!preload) imd->completed = TRUE;
 130         if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
 131 }
 132
 133 static void image_render_complete_cb(PixbufRenderer *pr, gpointer data)
 134 {
 135         ImageWindow *imd = data;
 136
 137         image_complete_util(imd, FALSE);
 138 }
 139
 140 static void image_state_set(ImageWindow *imd, ImageState state)
 141 {
 142         if (state == IMAGE_STATE_NONE)
 143                 {
 144                 imd->state = state;
 145                 }
 146         else
 147                 {
 148                 imd->state |= state;
 149                 }
 150         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 151 }
 152
 153 static void image_state_unset(ImageWindow *imd, ImageState state)
 154 {
 155         imd->state &= ~state;
 156         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 157 }
 158
 159 static void image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
 160 {
 161         ImageWindow *imd = data;
 162
 163         if (imd->title_show_zoom) image_update_title(imd);
 164         image_state_set(imd, IMAGE_STATE_IMAGE);
 165         image_update_util(imd);
 166 }
 167
 168 /*
 169  *-------------------------------------------------------------------
 170  * misc
 171  *-------------------------------------------------------------------
 172  */
 173
 174 static void image_update_title(ImageWindow *imd)
 175 {
 176         gchar *title = NULL;
 177         gchar *zoom = NULL;
 178         gchar *collection = NULL;
 179
 180         if (!imd->top_window) return;
 181
 182         if (imd->collection && collection_to_number(imd->collection) >= 0)
 183                 {
 184                 const gchar *name = imd->collection->name;
 185                 if (!name) name = _("Untitled");
 186                 collection = g_strdup_printf(_(" (Collection %s)"), name);
 187                 }
 188
 189         if (imd->title_show_zoom)
 190                 {
 191                 gchar *buf = image_zoom_get_as_text(imd);
 192                 zoom = g_strconcat(" [", buf, "]", NULL);
 193                 g_free(buf);
 194                 }
 195
 196         title = g_strdup_printf("%s%s%s%s%s%s",
 197                 imd->title ? imd->title : "",
 198                 imd->image_fd ? imd->image_fd->name : "",
 199                 zoom ? zoom : "",
 200                 collection ? collection : "",
 201                 imd->image_fd ? " - " : "",
 202                 imd->title_right ? imd->title_right : "");
 203
 204         gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
 205
 206         g_free(title);
 207         g_free(zoom);
 208         g_free(collection);
 209 }
 210
 211 /*
 212  *-------------------------------------------------------------------
 213  * rotation, flip, etc.
 214  *-------------------------------------------------------------------
 215  */
 216 static gboolean image_get_x11_screen_profile(ImageWindow *imd, guchar **screen_profile, gint *screen_profile_len)
 217 {
 218         GdkScreen *screen = gtk_widget_get_screen(imd->widget);;
 219         GdkAtom    type   = GDK_NONE;
 220         gint       format = 0;
 221
 222         return (gdk_property_get(gdk_screen_get_root_window(screen),
 223                                  gdk_atom_intern ("_ICC_PROFILE", FALSE),
 224                                  GDK_NONE,
 225                                  0, 64 * 1024 * 1024, FALSE,
 226                                  &type, &format, screen_profile_len, screen_profile) && *screen_profile_len > 0);
 227 }
 228
 229 static gboolean image_post_process_color(ImageWindow *imd, gint start_row, gboolean run_in_bg)
 230 {
 231         ColorMan *cm;
 232         ColorManProfileType input_type;
 233         ColorManProfileType screen_type;
 234         const gchar *input_file = NULL;
 235         const gchar *screen_file = NULL;
 236         guchar *profile = NULL;
 237         guint profile_len;
 238         guchar *screen_profile = NULL;
 239         gint screen_profile_len;
 240         ExifData *exif;
 241
 242         if (imd->cm) return FALSE;
 243
 244         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 245             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 246                 {
 247                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 248
 249                 if (!is_readable_file(file)) return FALSE;
 250
 251                 input_type = COLOR_PROFILE_FILE;
 252                 input_file = file;
 253                 }
 254         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 255                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 256                 {
 257                 input_type = imd->color_profile_input;
 258                 input_file = NULL;
 259                 }
 260         else
 261                 {
 262                 return FALSE;
 263                 }
 264
 265         if (options->color_profile.use_x11_screen_profile &&
 266             image_get_x11_screen_profile(imd, &screen_profile, &screen_profile_len))
 267                 {
 268                 screen_type = COLOR_PROFILE_MEM;
 269                 DEBUG_1("Using X11 screen profile, length: %d", screen_profile_len);
 270                 }
 271         else if (options->color_profile.screen_file &&
 272             is_readable_file(options->color_profile.screen_file))
 273                 {
 274                 screen_type = COLOR_PROFILE_FILE;
 275                 screen_file = options->color_profile.screen_file;
 276                 }
 277         else
 278                 {
 279                 screen_type = COLOR_PROFILE_SRGB;
 280                 screen_file = NULL;
 281                 }
 282
 283
 284         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 285
 286         exif = exif_read_fd(imd->image_fd);
 287
 288         if (exif)
 289                 {
 290                 profile = exif_get_color_profile(exif, &profile_len);
 291                 if (profile)
 292                         {
 293                         if (!imd->color_profile_use_image)
 294                                 {
 295                                 g_free(profile);
 296                                 profile = NULL;
 297                                 }
 298                         DEBUG_1("Found embedded color profile");
 299                         imd->color_profile_from_image = COLOR_PROFILE_MEM;
 300                         }
 301                 else
 302                         {
 303                         gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 304
 305                         if (interop_index)
 306                                 {
 307                                 /* Exif 2.21 specification */
 308                                 if (!strcmp(interop_index, "R98"))
 309                                         {
 310                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 311                                         DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
 312                                         }
 313                                 else if (!strcmp(interop_index, "R03"))
 314                                         {
 315                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 316                                         DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
 317                                         }
 318                                 g_free(interop_index);
 319                                 }
 320                         else
 321                                 {
 322                                 gint cs;
 323
 324                                 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 325                                 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 326                                 if (cs == 1)
 327                                         {
 328                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 329                                         DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
 330                                         }
 331                                 else if (cs == 2)
 332                                         {
 333                                         /* non-standard way of specifying AdobeRGB (used by some software) */
 334                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 335                                         DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
 336                                         }
 337                                 }
 338
 339                         if (imd->color_profile_use_image && imd->color_profile_from_image != COLOR_PROFILE_NONE)
 340                                {
 341                                input_type = imd->color_profile_from_image;
 342                                input_file = NULL;
 343                                }
 344                         }
 345
 346                 exif_free_fd(imd->image_fd, exif);
 347                 }
 348
 349
 350         if (profile)
 351                 {
 352                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 353                                             profile, profile_len,
 354                                             screen_type, screen_file, screen_profile, screen_profile_len);
 355                 g_free(profile);
 356                 }
 357         else
 358                 {
 359                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 360                                    input_type, input_file,
 361                                    screen_type, screen_file, screen_profile, screen_profile_len);
 362                 }
 363
 364         if (cm)
 365                 {
 366                 if (start_row > 0)
 367                         {
 368                         cm->row = start_row;
 369                         cm->incremental_sync = TRUE;
 370                         }
 371
 372                 imd->cm = (gpointer)cm;
 373                 }
 374
 375         image_update_util(imd);
 376
 377         if (screen_profile)
 378                 {
 379                 g_free(screen_profile);
 380                 screen_profile = NULL;
 381                 }
 382
 383         return !!cm;
 384 }
 385
 386
 387 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 388 {
 389         ImageWindow *imd = (ImageWindow *)data;
 390         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 391         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 392
 393 }
 394
 395 void image_alter_orientation(ImageWindow *imd, FileData *fd_n, AlterType type)
 396 {
 397         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 398         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 399         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 400         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 401         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 402
 403         gint orientation;
 404
 405         if (!imd || !imd->pr || !imd->image_fd || !fd_n) return;
 406
 407         orientation = EXIF_ORIENTATION_TOP_LEFT;
 408         {
 409         if (fd_n->user_orientation)
 410                 {
 411                 orientation = fd_n->user_orientation;
 412                 }
 413         else
 414                 if (options->metadata.write_orientation)
 415                         {
 416                         orientation = metadata_read_int(fd_n, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 417                         }
 418         }
 419
 420         switch (type)
 421                 {
 422                 case ALTER_ROTATE_90:
 423                         orientation = rotate_90[orientation];
 424                         break;
 425                 case ALTER_ROTATE_90_CC:
 426                         orientation = rotate_90_cc[orientation];
 427                         break;
 428                 case ALTER_ROTATE_180:
 429                         orientation = rotate_180[orientation];
 430                         break;
 431                 case ALTER_MIRROR:
 432                         orientation = mirror[orientation];
 433                         break;
 434                 case ALTER_FLIP:
 435                         orientation = flip[orientation];
 436                         break;
 437                 case ALTER_NONE:
 438                         orientation = fd_n->exif_orientation ? fd_n->exif_orientation : 1;
 439                         break;
 440                 default:
 441                         return;
 442                         break;
 443                 }
 444
 445         if (orientation != (fd_n->exif_orientation ? fd_n->exif_orientation : 1))
 446                 {
 447                 if (!options->metadata.write_orientation)
 448                         {
 449                         /* user_orientation does not work together with options->metadata.write_orientation,
 450                            use either one or the other.
 451                            we must however handle switching metadata.write_orientation on and off, therefore
 452                            we just disable referencing new fd's, not unreferencing the old ones
 453                         */
 454                         if (fd_n->user_orientation == 0) file_data_ref(fd_n);
 455                         fd_n->user_orientation = orientation;
 456                         }
 457                 }
 458         else
 459                 {
 460                 if (fd_n->user_orientation != 0) file_data_unref(fd_n);
 461                 fd_n->user_orientation = 0;
 462                 }
 463
 464         if (options->metadata.write_orientation)
 465                 {
 466                 if (type == ALTER_NONE)
 467                         {
 468                         metadata_write_revert(fd_n, ORIENTATION_KEY);
 469                         }
 470                 else
 471                         {
 472                         metadata_write_int(fd_n, ORIENTATION_KEY, orientation);
 473                         }
 474                 }
 475
 476         if (imd->image_fd == fd_n && !(options->metadata.write_orientation && !options->image.exif_rotate_enable))
 477                 {
 478                 imd->orientation = orientation;
 479                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, orientation);
 480                 }
 481 }
 482
 483 void image_set_desaturate(ImageWindow *imd, gboolean desaturate)
 484 {
 485         imd->desaturate = desaturate;
 486         if (imd->cm || imd->desaturate)
 487                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 488         else
 489                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 490         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 491 }
 492
 493 gboolean image_get_desaturate(ImageWindow *imd)
 494 {
 495         return imd->desaturate;
 496 }
 497
 498 /*
 499  *-------------------------------------------------------------------
 500  * read ahead (prebuffer)
 501  *-------------------------------------------------------------------
 502  */
 503
 504 static void image_read_ahead_cancel(ImageWindow *imd)
 505 {
 506         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 507
 508         image_loader_free(imd->read_ahead_il);
 509         imd->read_ahead_il = NULL;
 510
 511         file_data_unref(imd->read_ahead_fd);
 512         imd->read_ahead_fd = NULL;
 513 }
 514
 515 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 516 {
 517         ImageWindow *imd = data;
 518
 519         if (!imd->read_ahead_fd || !imd->read_ahead_il) return;
 520
 521         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 522
 523         if (!imd->read_ahead_fd->pixbuf)
 524                 {
 525                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 526                 if (imd->read_ahead_fd->pixbuf)
 527                         {
 528                         g_object_ref(imd->read_ahead_fd->pixbuf);
 529                         image_cache_set(imd, imd->read_ahead_fd);
 530                         }
 531                 }
 532         image_loader_free(imd->read_ahead_il);
 533         imd->read_ahead_il = NULL;
 534
 535         image_complete_util(imd, TRUE);
 536 }
 537
 538 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 539 {
 540         /* we even treat errors as success, maybe at least some of the file was ok */
 541         image_read_ahead_done_cb(il, data);
 542 }
 543
 544 static void image_read_ahead_start(ImageWindow *imd)
 545 {
 546         /* already started ? */
 547         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 548
 549         /* still loading ?, do later */
 550         if (imd->il /*|| imd->cm*/) return;
 551
 552         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 553
 554         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 555
 556         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 557
 558         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 559         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 560
 561         if (!image_loader_start(imd->read_ahead_il))
 562                 {
 563                 image_read_ahead_cancel(imd);
 564                 image_complete_util(imd, TRUE);
 565                 }
 566 }
 567
 568 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 569 {
 570         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 571
 572         image_read_ahead_cancel(imd);
 573
 574         imd->read_ahead_fd = file_data_ref(fd);
 575
 576         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 577
 578         image_read_ahead_start(imd);
 579 }
 580
 581 /*
 582  *-------------------------------------------------------------------
 583  * post buffering
 584  *-------------------------------------------------------------------
 585  */
 586
 587 static void image_cache_release_cb(FileData *fd)
 588 {
 589         g_object_unref(fd->pixbuf);
 590         fd->pixbuf = NULL;
 591 }
 592
 593 static FileCacheData *image_get_cache(void)
 594 {
 595         static FileCacheData *cache = NULL;
 596         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 597         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 598         return cache;
 599 }
 600
 601 static void image_cache_set(ImageWindow *imd, FileData *fd)
 602 {
 603         g_assert(fd->pixbuf);
 604
 605         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 606         file_data_send_notification(fd, NOTIFY_PIXBUF); /* to update histogram */
 607 }
 608
 609 static gint image_cache_get(ImageWindow *imd)
 610 {
 611         gint success;
 612
 613         success = file_cache_get(image_get_cache(), imd->image_fd);
 614         if (success)
 615                 {
 616                 g_assert(imd->image_fd->pixbuf);
 617                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 618                 }
 619
 620 //      file_cache_dump(image_get_cache());
 621         return success;
 622 }
 623
 624 /*
 625  *-------------------------------------------------------------------
 626  * loading
 627  *-------------------------------------------------------------------
 628  */
 629
 630 static void image_load_pixbuf_ready(ImageWindow *imd)
 631 {
 632         if (image_get_pixbuf(imd) || !imd->il) return;
 633
 634         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 635 }
 636
 637 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 638 {
 639         ImageWindow *imd = data;
 640         PixbufRenderer *pr;
 641
 642         pr = (PixbufRenderer *)imd->pr;
 643
 644         if (imd->delay_flip &&
 645             pr->pixbuf != image_loader_get_pixbuf(il))
 646                 {
 647                 return;
 648                 }
 649
 650         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 651
 652         pixbuf_renderer_area_changed(pr, x, y, w, h);
 653 }
 654
 655 static void image_load_done_cb(ImageLoader *il, gpointer data)
 656 {
 657         ImageWindow *imd = data;
 658
 659         DEBUG_1("%s image done", get_exec_time());
 660
 661         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 662                 {
 663                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 664                 image_cache_set(imd, imd->image_fd);
 665                 }
 666         /* call the callback triggered by image_state after fd->pixbuf is set */
 667         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 668         image_state_unset(imd, IMAGE_STATE_LOADING);
 669
 670         if (!image_loader_get_pixbuf(imd->il))
 671                 {
 672                 GdkPixbuf *pixbuf;
 673
 674                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 675                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 676                 g_object_unref(pixbuf);
 677
 678                 imd->unknown = TRUE;
 679                 }
 680         else if (imd->delay_flip &&
 681             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 682                 {
 683                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 684                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 685                 }
 686
 687         image_loader_free(imd->il);
 688         imd->il = NULL;
 689
 690 //      image_post_process(imd, TRUE);
 691
 692         image_read_ahead_start(imd);
 693 }
 694
 695 static void image_load_size_cb(ImageLoader *il, guint width, guint height, gpointer data)
 696 {
 697         ImageWindow *imd = data;
 698
 699         DEBUG_1("image_load_size_cb: %dx%d", width, height);
 700         pixbuf_renderer_set_size_early((PixbufRenderer *)imd->pr, width, height);
 701 }
 702
 703 static void image_load_error_cb(ImageLoader *il, gpointer data)
 704 {
 705         DEBUG_1("%s image error", get_exec_time());
 706
 707         /* even on error handle it like it was done,
 708          * since we have a pixbuf with _something_ */
 709
 710         image_load_done_cb(il, data);
 711 }
 712
 713 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 714 {
 715         g_assert(imd->il);
 716         if (override_old_signals)
 717                 {
 718                 /* override the old signals */
 719                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 720                 }
 721
 722         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 723         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 724         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 725         g_signal_connect(G_OBJECT(imd->il), "size_prepared", (GCallback)image_load_size_cb, imd);
 726 }
 727
 728 /* this read ahead is located here merely for the callbacks, above */
 729
 730 static gboolean image_read_ahead_check(ImageWindow *imd)
 731 {
 732         if (!imd->read_ahead_fd) return FALSE;
 733         if (imd->il) return FALSE;
 734
 735         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 736                 {
 737                 image_read_ahead_cancel(imd);
 738                 return FALSE;
 739                 }
 740
 741         if (imd->read_ahead_il)
 742                 {
 743                 imd->il = imd->read_ahead_il;
 744                 imd->read_ahead_il = NULL;
 745
 746                 image_load_set_signals(imd, TRUE);
 747
 748                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 749                 image_state_set(imd, IMAGE_STATE_LOADING);
 750
 751                 if (!imd->delay_flip)
 752                         {
 753                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 754                         }
 755
 756                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 757
 758                 file_data_unref(imd->read_ahead_fd);
 759                 imd->read_ahead_fd = NULL;
 760                 return TRUE;
 761                 }
 762         else if (imd->read_ahead_fd->pixbuf)
 763                 {
 764                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 765
 766                 file_data_unref(imd->read_ahead_fd);
 767                 imd->read_ahead_fd = NULL;
 768
 769 //              image_post_process(imd, FALSE);
 770                 return TRUE;
 771                 }
 772
 773         image_read_ahead_cancel(imd);
 774         return FALSE;
 775 }
 776
 777 static gboolean image_load_begin(ImageWindow *imd, FileData *fd)
 778 {
 779         DEBUG_1("%s image begin", get_exec_time());
 780
 781         if (imd->il) return FALSE;
 782
 783         imd->completed = FALSE;
 784         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 785
 786         if (image_cache_get(imd))
 787                 {
 788                 DEBUG_1("from cache: %s", imd->image_fd->path);
 789                 return TRUE;
 790                 }
 791
 792         if (image_read_ahead_check(imd))
 793                 {
 794                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 795                 return TRUE;
 796                 }
 797
 798         if (!imd->delay_flip && image_get_pixbuf(imd))
 799                 {
 800                 PixbufRenderer *pr;
 801
 802                 pr = PIXBUF_RENDERER(imd->pr);
 803                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 804                 pr->pixbuf = NULL;
 805                 }
 806
 807         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 808
 809         imd->il = image_loader_new(fd);
 810
 811         image_load_set_signals(imd, FALSE);
 812
 813         if (!image_loader_start(imd->il))
 814                 {
 815                 DEBUG_1("image start error");
 816
 817                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 818
 819                 image_loader_free(imd->il);
 820                 imd->il = NULL;
 821
 822                 image_complete_util(imd, FALSE);
 823
 824                 return FALSE;
 825                 }
 826
 827         image_state_set(imd, IMAGE_STATE_LOADING);
 828
 829 /*
 830         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 831                 {
 832                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 833                 }
 834 */
 835         return TRUE;
 836 }
 837
 838 static void image_reset(ImageWindow *imd)
 839 {
 840         /* stops anything currently being done */
 841
 842         DEBUG_1("%s image reset", get_exec_time());
 843
 844         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 845
 846         image_loader_free(imd->il);
 847         imd->il = NULL;
 848
 849         color_man_free((ColorMan *)imd->cm);
 850         imd->cm = NULL;
 851
 852         imd->delay_alter_type = ALTER_NONE;
 853
 854         image_state_set(imd, IMAGE_STATE_NONE);
 855 }
 856
 857 /*
 858  *-------------------------------------------------------------------
 859  * image changer
 860  *-------------------------------------------------------------------
 861  */
 862
 863 static void image_change_complete(ImageWindow *imd, gdouble zoom)
 864 {
 865         image_reset(imd);
 866         imd->unknown = TRUE;
 867
 868         if (!imd->image_fd)
 869                 {
 870                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 871                 }
 872         else
 873                 {
 874
 875                 if (is_readable_file(imd->image_fd->path))
 876                         {
 877                         PixbufRenderer *pr;
 878
 879                         pr = PIXBUF_RENDERER(imd->pr);
 880                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 881
 882                         if (image_load_begin(imd, imd->image_fd))
 883                                 {
 884                                 imd->unknown = FALSE;
 885                                 }
 886                         }
 887
 888                 if (imd->unknown == TRUE)
 889                         {
 890                         GdkPixbuf *pixbuf;
 891
 892                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 893                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 894                         g_object_unref(pixbuf);
 895                         }
 896                 }
 897
 898         image_update_util(imd);
 899 }
 900
 901 static void image_change_real(ImageWindow *imd, FileData *fd,
 902                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 903 {
 904
 905         imd->collection = cd;
 906         imd->collection_info = info;
 907
 908         if (imd->auto_refresh && imd->image_fd)
 909                 file_data_unregister_real_time_monitor(imd->image_fd);
 910
 911         file_data_unref(imd->image_fd);
 912         imd->image_fd = file_data_ref(fd);
 913
 914
 915         image_change_complete(imd, zoom);
 916
 917         image_update_title(imd);
 918         image_state_set(imd, IMAGE_STATE_IMAGE);
 919
 920         if (imd->auto_refresh && imd->image_fd)
 921                 file_data_register_real_time_monitor(imd->image_fd);
 922 }
 923
 924 /*
 925  *-------------------------------------------------------------------
 926  * focus stuff
 927  *-------------------------------------------------------------------
 928  */
 929
 930 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 931 {
 932         ImageWindow *imd = data;
 933
 934         if (imd->func_focus_in)
 935                 {
 936                 imd->func_focus_in(imd, imd->data_focus_in);
 937                 }
 938
 939         return TRUE;
 940 }
 941
 942 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 943 {
 944         ImageWindow *imd = data;
 945
 946         if (imd->func_scroll &&
 947             event && event->type == GDK_SCROLL)
 948                 {
 949                 imd->func_scroll(imd, event, imd->data_scroll);
 950                 return TRUE;
 951                 }
 952
 953         return FALSE;
 954 }
 955
 956 /*
 957  *-------------------------------------------------------------------
 958  * public interface
 959  *-------------------------------------------------------------------
 960  */
 961
 962 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 963                          const gchar *title, const gchar *title_right, gboolean show_zoom)
 964 {
 965         imd->top_window = window;
 966         g_free(imd->title);
 967         imd->title = g_strdup(title);
 968         g_free(imd->title_right);
 969         imd->title_right = g_strdup(title_right);
 970         imd->title_show_zoom = show_zoom;
 971
 972         if (!options->image.fit_window_to_image) window = NULL;
 973
 974         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 975
 976         image_update_title(imd);
 977 }
 978
 979 void image_set_update_func(ImageWindow *imd,
 980                            void (*func)(ImageWindow *imd, gpointer data),
 981                            gpointer data)
 982 {
 983         imd->func_update = func;
 984         imd->data_update = data;
 985 }
 986
 987 void image_set_complete_func(ImageWindow *imd,
 988                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
 989                              gpointer data)
 990 {
 991         imd->func_complete = func;
 992         imd->data_complete = data;
 993 }
 994
 995 void image_set_state_func(ImageWindow *imd,
 996                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
 997                         gpointer data)
 998 {
 999         imd->func_state = func;
1000         imd->data_state = data;
1001 }
1002
1003
1004 void image_set_button_func(ImageWindow *imd,
1005                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
1006                            gpointer data)
1007 {
1008         imd->func_button = func;
1009         imd->data_button = data;
1010 }
1011
1012 void image_set_drag_func(ImageWindow *imd,
1013                            void (*func)(ImageWindow *, GdkEventMotion *event, gdouble dx, gdouble dy, gpointer),
1014                            gpointer data)
1015 {
1016         imd->func_drag = func;
1017         imd->data_drag = data;
1018 }
1019
1020 void image_set_scroll_func(ImageWindow *imd,
1021                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
1022                            gpointer data)
1023 {
1024         imd->func_scroll = func;
1025         imd->data_scroll = data;
1026 }
1027
1028 void image_set_scroll_notify_func(ImageWindow *imd,
1029                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
1030                                   gpointer data)
1031 {
1032         imd->func_scroll_notify = func;
1033         imd->data_scroll_notify = data;
1034 }
1035
1036 void image_set_focus_in_func(ImageWindow *imd,
1037                            void (*func)(ImageWindow *, gpointer),
1038                            gpointer data)
1039 {
1040         imd->func_focus_in = func;
1041         imd->data_focus_in = data;
1042 }
1043
1044 /* path, name */
1045
1046 const gchar *image_get_path(ImageWindow *imd)
1047 {
1048         if (imd->image_fd == NULL) return NULL;
1049         return imd->image_fd->path;
1050 }
1051
1052 const gchar *image_get_name(ImageWindow *imd)
1053 {
1054         if (imd->image_fd == NULL) return NULL;
1055         return imd->image_fd->name;
1056 }
1057
1058 FileData *image_get_fd(ImageWindow *imd)
1059 {
1060         return imd->image_fd;
1061 }
1062
1063 /* merely changes path string, does not change the image! */
1064 void image_set_fd(ImageWindow *imd, FileData *fd)
1065 {
1066         if (imd->auto_refresh && imd->image_fd)
1067                 file_data_unregister_real_time_monitor(imd->image_fd);
1068
1069         file_data_unref(imd->image_fd);
1070         imd->image_fd = file_data_ref(fd);
1071
1072         image_update_title(imd);
1073         image_state_set(imd, IMAGE_STATE_IMAGE);
1074
1075         if (imd->auto_refresh && imd->image_fd)
1076                 file_data_register_real_time_monitor(imd->image_fd);
1077 }
1078
1079 /* load a new image */
1080
1081 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1082 {
1083         if (imd->image_fd == fd) return;
1084
1085         image_change_real(imd, fd, NULL, NULL, zoom);
1086 }
1087
1088 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1089 {
1090         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1091 }
1092
1093 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1094 {
1095         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1096 }
1097
1098 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1099 {
1100         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1101         /* read_exif and similar functions can actually notice that the file has changed and trigger
1102            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1103            here before it is taken over by the renderer. */
1104         if (pixbuf) g_object_ref(pixbuf);
1105
1106         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1107         if (imd->image_fd)
1108                 {
1109                 if (imd->image_fd->user_orientation)
1110                         {
1111                         imd->orientation = imd->image_fd->user_orientation;
1112                         }
1113                 else if (options->image.exif_rotate_enable)
1114                         {
1115                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1116                         imd->image_fd->exif_orientation = imd->orientation;
1117                         }
1118                 }
1119
1120         if (pixbuf)
1121                 {
1122                 stereo_data = imd->user_stereo;
1123                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1124                         {
1125                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1126                         }
1127                 }
1128
1129         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1130         if (imd->cm)
1131                 {
1132                 color_man_free(imd->cm);
1133                 imd->cm = NULL;
1134                 }
1135
1136         if (lazy)
1137                 {
1138                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1139                 }
1140         else
1141                 {
1142                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1143                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1144                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1145                 }
1146
1147         if (pixbuf) g_object_unref(pixbuf);
1148
1149         if (imd->color_profile_enable)
1150                 {
1151                 image_post_process_color(imd, 0, FALSE); /* TODO: error handling */
1152                 }
1153
1154         if (imd->cm || imd->desaturate)
1155                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1156
1157         image_state_set(imd, IMAGE_STATE_IMAGE);
1158 }
1159
1160 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1161 {
1162         if (!cd || !info || !g_list_find(cd->list, info)) return;
1163
1164         image_change_real(imd, info->fd, cd, info, zoom);
1165 }
1166
1167 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1168 {
1169         if (collection_to_number(imd->collection) >= 0)
1170                 {
1171                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1172                         {
1173                         if (info) *info = imd->collection_info;
1174                         }
1175                 else
1176                         {
1177                         if (info) *info = NULL;
1178                         }
1179                 return imd->collection;
1180                 }
1181
1182         if (info) *info = NULL;
1183         return NULL;
1184 }
1185
1186 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1187 {
1188         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1189                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1190
1191         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1192                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1193 }
1194
1195 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1196 {
1197         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1198                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1199
1200         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1201                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1202
1203         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1204                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1205 }
1206
1207 /* this is more like a move function
1208  * it moves most data from source to imd
1209  */
1210 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1211 {
1212         if (imd == source) return;
1213
1214         imd->unknown = source->unknown;
1215
1216         imd->collection = source->collection;
1217         imd->collection_info = source->collection_info;
1218
1219         image_loader_free(imd->il);
1220         imd->il = NULL;
1221
1222         image_set_fd(imd, image_get_fd(source));
1223
1224
1225         if (source->il)
1226                 {
1227                 imd->il = source->il;
1228                 source->il = NULL;
1229
1230                 image_loader_sync_data(imd->il, source, imd);
1231
1232                 imd->delay_alter_type = source->delay_alter_type;
1233                 source->delay_alter_type = ALTER_NONE;
1234                 }
1235
1236         imd->color_profile_enable = source->color_profile_enable;
1237         imd->color_profile_input = source->color_profile_input;
1238         imd->color_profile_use_image = source->color_profile_use_image;
1239         color_man_free((ColorMan *)imd->cm);
1240         imd->cm = NULL;
1241         if (source->cm)
1242                 {
1243                 ColorMan *cm;
1244
1245                 imd->cm = source->cm;
1246                 source->cm = NULL;
1247
1248                 cm = (ColorMan *)imd->cm;
1249                 cm->imd = imd;
1250                 cm->func_done_data = imd;
1251                 }
1252
1253         file_data_unref(imd->read_ahead_fd);
1254         source->read_ahead_fd = NULL;
1255
1256         imd->orientation = source->orientation;
1257         imd->desaturate = source->desaturate;
1258
1259         imd->user_stereo = source->user_stereo;
1260
1261         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1262
1263         if (imd->cm || imd->desaturate)
1264                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1265         else
1266                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1267
1268 }
1269
1270 /* this is  a copy function
1271  * source stays unchanged
1272  */
1273 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1274 {
1275         if (imd == source) return;
1276
1277         imd->unknown = source->unknown;
1278
1279         imd->collection = source->collection;
1280         imd->collection_info = source->collection_info;
1281
1282         image_loader_free(imd->il);
1283         imd->il = NULL;
1284
1285         image_set_fd(imd, image_get_fd(source));
1286
1287
1288         imd->color_profile_enable = source->color_profile_enable;
1289         imd->color_profile_input = source->color_profile_input;
1290         imd->color_profile_use_image = source->color_profile_use_image;
1291         color_man_free((ColorMan *)imd->cm);
1292         imd->cm = NULL;
1293         if (source->cm)
1294                 {
1295                 ColorMan *cm;
1296
1297                 imd->cm = source->cm;
1298                 source->cm = NULL;
1299
1300                 cm = (ColorMan *)imd->cm;
1301                 cm->imd = imd;
1302                 cm->func_done_data = imd;
1303                 }
1304
1305         image_loader_free(imd->read_ahead_il);
1306         imd->read_ahead_il = source->read_ahead_il;
1307         source->read_ahead_il = NULL;
1308         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1309
1310         file_data_unref(imd->read_ahead_fd);
1311         imd->read_ahead_fd = source->read_ahead_fd;
1312         source->read_ahead_fd = NULL;
1313
1314         imd->completed = source->completed;
1315         imd->state = source->state;
1316         source->state = IMAGE_STATE_NONE;
1317
1318         imd->orientation = source->orientation;
1319         imd->desaturate = source->desaturate;
1320
1321         imd->user_stereo = source->user_stereo;
1322
1323         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1324
1325         if (imd->cm || imd->desaturate)
1326                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1327         else
1328                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1329
1330 }
1331
1332
1333 /* manipulation */
1334
1335 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1336 {
1337         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1338 }
1339
1340 void image_reload(ImageWindow *imd)
1341 {
1342         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1343
1344         image_change_complete(imd, image_zoom_get(imd));
1345 }
1346
1347 void image_scroll(ImageWindow *imd, gint x, gint y)
1348 {
1349         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1350 }
1351
1352 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1353                            gdouble x_align, gdouble y_align)
1354 {
1355         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1356 }
1357
1358 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1359 {
1360         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1361 }
1362
1363 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1364 {
1365         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1366 }
1367
1368 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1369 {
1370         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1371 }
1372
1373 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1374 {
1375         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1376 }
1377
1378 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1379 {
1380         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1381 }
1382
1383 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1384 {
1385         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1386 }
1387
1388 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1389 {
1390         PixbufRenderer *pr;
1391         gdouble zoom;
1392         gint width, height;
1393
1394         pr = (PixbufRenderer *)imd->pr;
1395
1396         if (!pixbuf_renderer_get_pixbuf(pr) ||
1397             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1398
1399         if (vertical)
1400                 {
1401                 zoom = (gdouble)pr->viewport_height / height;
1402                 }
1403         else
1404                 {
1405                 zoom = (gdouble)pr->viewport_width / width;
1406                 }
1407
1408         if (zoom < 1.0)
1409                 {
1410                 zoom = 0.0 - 1.0 / zoom;
1411                 }
1412
1413         pixbuf_renderer_zoom_set(pr, zoom);
1414 }
1415
1416 gdouble image_zoom_get(ImageWindow *imd)
1417 {
1418         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1419 }
1420
1421 gdouble image_zoom_get_real(ImageWindow *imd)
1422 {
1423         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1424 }
1425
1426 gchar *image_zoom_get_as_text(ImageWindow *imd)
1427 {
1428         gdouble zoom;
1429         gdouble scale;
1430         gdouble l = 1.0;
1431         gdouble r = 1.0;
1432         gint pl = 0;
1433         gint pr = 0;
1434         gchar *approx = " ";
1435
1436         zoom = image_zoom_get(imd);
1437         scale = image_zoom_get_real(imd);
1438
1439         if (zoom > 0.0)
1440                 {
1441                 l = zoom;
1442                 }
1443         else if (zoom < 0.0)
1444                 {
1445                 r = 0.0 - zoom;
1446                 }
1447         else if (zoom == 0.0 && scale != 0.0)
1448                 {
1449                 if (scale >= 1.0)
1450                         {
1451                         l = scale;
1452                         }
1453                 else
1454                         {
1455                         r = 1.0 / scale;
1456                         }
1457                 approx = "~";
1458                 }
1459
1460         if (rint(l) != l) pl = 2;
1461         if (rint(r) != r) pr = 2;
1462
1463         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1464 }
1465
1466 gdouble image_zoom_get_default(ImageWindow *imd)
1467 {
1468         gdouble zoom = 1.0;
1469
1470         switch (options->image.zoom_mode)
1471         {
1472         case ZOOM_RESET_ORIGINAL:
1473                 break;
1474         case ZOOM_RESET_FIT_WINDOW:
1475                 zoom = 0.0;
1476                 break;
1477         case ZOOM_RESET_NONE:
1478                 if (imd) zoom = image_zoom_get(imd);
1479                 break;
1480         }
1481
1482         return zoom;
1483 }
1484
1485 /* stereo */
1486 gint image_stereo_get(ImageWindow *imd)
1487 {
1488         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1489 }
1490
1491 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1492 {
1493         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1494         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1495 }
1496
1497 void image_stereo_swap(ImageWindow *imd)
1498 {
1499         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1500         stereo_mode ^= PR_STEREO_SWAP;
1501         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1502 }
1503
1504 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1505 {
1506         return imd->user_stereo;
1507 }
1508
1509 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1510 {
1511         imd->user_stereo = stereo_mode;
1512         image_reload(imd);
1513 }
1514
1515 /* read ahead */
1516
1517 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1518 {
1519         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1520
1521         if (fd)
1522                 {
1523                 if (!file_cache_get(image_get_cache(), fd))
1524                         {
1525                         image_read_ahead_set(imd, fd);
1526                         }
1527                 }
1528         else
1529                 {
1530                 image_read_ahead_cancel(imd);
1531                 }
1532 }
1533
1534 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1535 {
1536         ImageWindow *imd = data;
1537
1538         if (!imd || !image_get_pixbuf(imd) ||
1539             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1540             !imd->image_fd || /* nothing to reload */
1541             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1542             ) return;
1543
1544         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1545                 {
1546                 /* there is no need to reload on NOTIFY_CHANGE,
1547                    modified files should be detacted anyway and NOTIFY_REREAD should be recieved
1548                    or they are removed from the filelist completely on "move" and "delete"
1549                 */
1550                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1551                 image_reload(imd);
1552                 }
1553 }
1554
1555 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1556 {
1557         if (!enable && imd->auto_refresh && imd->image_fd)
1558                 file_data_unregister_real_time_monitor(imd->image_fd);
1559
1560         if (enable && !imd->auto_refresh && imd->image_fd)
1561                 file_data_register_real_time_monitor(imd->image_fd);
1562
1563         imd->auto_refresh = enable;
1564 }
1565
1566 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1567 {
1568         imd->top_window_sync = allow_sync;
1569
1570         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1571 }
1572
1573 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1574 {
1575         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1576 }
1577
1578 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1579 {
1580         GdkColor *color = NULL;
1581
1582         if ((options->image.use_custom_border_color && !fullscreen) ||
1583             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1584                 {
1585                 color = &options->image.border_color;
1586                 }
1587
1588         image_background_set_color(imd, color);
1589 }
1590
1591 void image_color_profile_set(ImageWindow *imd,
1592                              gint input_type,
1593                              gboolean use_image)
1594 {
1595         if (!imd) return;
1596
1597         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1598                 {
1599                 return;
1600                 }
1601
1602         imd->color_profile_input = input_type;
1603         imd->color_profile_use_image = use_image;
1604 }
1605
1606 gboolean image_color_profile_get(ImageWindow *imd,
1607                                  gint *input_type,
1608                                  gboolean *use_image)
1609 {
1610         if (!imd) return FALSE;
1611
1612         if (input_type) *input_type = imd->color_profile_input;
1613         if (use_image) *use_image = imd->color_profile_use_image;
1614
1615         return TRUE;
1616 }
1617
1618 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1619 {
1620         if (!imd) return;
1621
1622         if (imd->color_profile_enable == enable) return;
1623
1624         imd->color_profile_enable = enable;
1625 }
1626
1627 gboolean image_color_profile_get_use(ImageWindow *imd)
1628 {
1629         if (!imd) return FALSE;
1630
1631         return imd->color_profile_enable;
1632 }
1633
1634 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1635 {
1636         ColorMan *cm;
1637         if (!imd) return FALSE;
1638
1639         cm = imd->cm;
1640         if (!cm) return FALSE;
1641         return color_man_get_status(cm, image_profile, screen_profile);
1642
1643 }
1644
1645 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1646 {
1647         if (!imd ||
1648             imd->delay_flip == delay) return;
1649
1650         imd->delay_flip = delay;
1651
1652         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1653
1654         if (!imd->delay_flip && imd->il)
1655                 {
1656                 PixbufRenderer *pr;
1657
1658                 pr = PIXBUF_RENDERER(imd->pr);
1659                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1660                 pr->pixbuf = NULL;
1661
1662                 image_load_pixbuf_ready(imd);
1663                 }
1664 }
1665
1666 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1667 {
1668 #if !GTK_CHECK_VERSION(3,0,0)
1669         GdkScreen *screen;
1670         GdkWindow *rootwindow;
1671         GdkPixmap *pixmap;
1672         GdkPixbuf *pixbuf;
1673         GdkPixbuf *pb;
1674         gint width, height;
1675
1676         if (!imd) return;
1677
1678         pixbuf = image_get_pixbuf(imd);
1679         if (!pixbuf) return;
1680
1681         screen = gtk_widget_get_screen(imd->widget);
1682         rootwindow = gdk_screen_get_root_window(screen);
1683         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1684
1685         if (scaled)
1686                 {
1687                 width = gdk_screen_width();
1688                 height = gdk_screen_height();
1689                 }
1690         else
1691                 {
1692                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1693                 }
1694
1695         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1696
1697         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1698         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1699         gdk_window_clear(rootwindow);
1700         g_object_unref(pb);
1701         g_object_unref(pixmap);
1702
1703         gdk_flush();
1704 #endif
1705 }
1706
1707 void image_select(ImageWindow *imd, gboolean select)
1708 {
1709         if (!imd->has_frame) return;
1710
1711         if (select)
1712                 {
1713                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1714                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1715                 }
1716         else
1717                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1718 }
1719
1720 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1721 {
1722         if (!imd->has_frame) return;
1723
1724         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1725         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1726 }
1727
1728 void image_grab_focus(ImageWindow *imd)
1729 {
1730         if (imd->has_frame)
1731                 {
1732                 gtk_widget_grab_focus(imd->frame);
1733                 }
1734         else
1735                 {
1736                 gtk_widget_grab_focus(imd->widget);
1737                 }
1738 }
1739
1740
1741 /*
1742  *-------------------------------------------------------------------
1743  * prefs sync
1744  *-------------------------------------------------------------------
1745  */
1746
1747 static void image_options_set(ImageWindow *imd)
1748 {
1749         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1750                                         "zoom_2pass", options->image.zoom_2pass,
1751                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1752                                         "scroll_reset", options->image.scroll_reset_method,
1753                                         "cache_display", options->image.tile_cache_max,
1754                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1755                                         "window_limit", options->image.limit_window_size,
1756                                         "window_limit_value", options->image.max_window_size,
1757                                         "autofit_limit", options->image.limit_autofit_size,
1758                                         "autofit_limit_value", options->image.max_autofit_size,
1759                                         "enlargement_limit_value", options->image.max_enlargement_size,
1760
1761                                         NULL);
1762
1763         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1764
1765         image_stereo_set(imd, options->stereo.mode);
1766         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
1767                                         options->stereo.fixed_w, options->stereo.fixed_h,
1768                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
1769                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
1770 }
1771
1772 void image_options_sync(void)
1773 {
1774         GList *work;
1775
1776         work = image_list;
1777         while (work)
1778                 {
1779                 ImageWindow *imd;
1780
1781                 imd = work->data;
1782                 work = work->next;
1783
1784                 image_options_set(imd);
1785                 }
1786 }
1787
1788 /*
1789  *-------------------------------------------------------------------
1790  * init / destroy
1791  *-------------------------------------------------------------------
1792  */
1793
1794 static void image_free(ImageWindow *imd)
1795 {
1796         image_list = g_list_remove(image_list, imd);
1797
1798         if (imd->auto_refresh && imd->image_fd)
1799                 file_data_unregister_real_time_monitor(imd->image_fd);
1800
1801         file_data_unregister_notify_func(image_notify_cb, imd);
1802
1803         image_reset(imd);
1804
1805         image_read_ahead_cancel(imd);
1806
1807         file_data_unref(imd->image_fd);
1808         g_free(imd->title);
1809         g_free(imd->title_right);
1810         g_free(imd);
1811 }
1812
1813 static void image_destroy_cb(GtkWidget *widget, gpointer data)
1814 {
1815         ImageWindow *imd = data;
1816         image_free(imd);
1817 }
1818 #if GTK_CHECK_VERSION(3,0,0)
1819 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
1820 {
1821         GtkAllocation allocation;
1822         gtk_widget_get_allocation(widget, &allocation);
1823         gtk_paint_flat_box(gtk_widget_get_style(widget),
1824                            cr,
1825                            gtk_widget_get_state(widget),
1826                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
1827                            widget,
1828                            NULL,
1829                            allocation.x + 3, allocation.y + 3,
1830                            allocation.width - 6, allocation.height - 6);
1831
1832         if (gtk_widget_has_focus(widget))
1833                 {
1834                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
1835                                 widget, "image_window",
1836                                 allocation.x, allocation.y,
1837                                 allocation.width - 1, allocation.height - 1);
1838                 }
1839         else
1840                 {
1841                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
1842                                  widget, "image_window",
1843                                  allocation.x, allocation.y,
1844                                  allocation.width - 1, allocation.height - 1);
1845                 }
1846         return FALSE;
1847 }
1848
1849 #else
1850 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1851 {
1852         GtkAllocation allocation;
1853         gtk_widget_get_allocation(widget, &allocation);
1854         gtk_paint_flat_box(gtk_widget_get_style(widget),
1855                            gtk_widget_get_window(widget),
1856                            gtk_widget_get_state(widget),
1857                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
1858                            NULL,
1859                            widget,
1860                            NULL,
1861                            allocation.x + 3, allocation.y + 3,
1862                            allocation.width - 6, allocation.height - 6);
1863
1864         if (gtk_widget_has_focus(widget))
1865                 {
1866                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
1867                                 &event->area, widget, "image_window",
1868                                 allocation.x, allocation.y,
1869                                 allocation.width - 1, allocation.height - 1);
1870                 }
1871         else
1872                 {
1873                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
1874                                  &event->area, widget, "image_window",
1875                                  allocation.x, allocation.y,
1876                                  allocation.width - 1, allocation.height - 1);
1877                 }
1878         return FALSE;
1879 }
1880 #endif
1881
1882
1883 void image_set_frame(ImageWindow *imd, gboolean frame)
1884 {
1885         frame = !!frame;
1886
1887         if (frame == imd->has_frame) return;
1888
1889         gtk_widget_hide(imd->pr);
1890
1891         if (frame)
1892                 {
1893                 imd->frame = gtk_frame_new(NULL);
1894                 g_object_ref(imd->pr);
1895                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1896                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1897
1898                 g_object_unref(imd->pr);
1899                 gtk_widget_set_can_focus(imd->frame, TRUE);
1900                 gtk_widget_set_app_paintable(imd->frame, TRUE);
1901
1902 #if GTK_CHECK_VERSION(3,0,0)
1903                 g_signal_connect(G_OBJECT(imd->frame), "draw",
1904                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
1905 #else
1906                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1907                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1908 #endif
1909                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1910                                  G_CALLBACK(image_focus_in_cb), imd);
1911
1912                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1913                 gtk_widget_show(imd->frame);
1914                 }
1915         else
1916                 {
1917                 g_object_ref(imd->pr);
1918                 if (imd->frame)
1919                         {
1920                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1921                         gtk_widget_destroy(imd->frame);
1922                         imd->frame = NULL;
1923                         }
1924                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1925
1926                 g_object_unref(imd->pr);
1927                 }
1928
1929         gtk_widget_show(imd->pr);
1930
1931         imd->has_frame = frame;
1932 }
1933
1934 ImageWindow *image_new(gboolean frame)
1935 {
1936         ImageWindow *imd;
1937
1938         imd = g_new0(ImageWindow, 1);
1939
1940         imd->unknown = TRUE;
1941         imd->has_frame = -1; /* not initialized; for image_set_frame */
1942         imd->delay_alter_type = ALTER_NONE;
1943         imd->state = IMAGE_STATE_NONE;
1944         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1945         imd->orientation = 1;
1946
1947         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1948
1949         image_options_set(imd);
1950
1951         imd->widget = gtk_vbox_new(0, 0);
1952
1953         image_set_frame(imd, frame);
1954
1955         image_set_selectable(imd, 0);
1956
1957         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1958                          G_CALLBACK(image_click_cb), imd);
1959         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
1960                          G_CALLBACK(image_press_cb), imd);
1961         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1962                          G_CALLBACK(image_scroll_notify_cb), imd);
1963
1964         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1965                          G_CALLBACK(image_scroll_cb), imd);
1966
1967         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1968                          G_CALLBACK(image_destroy_cb), imd);
1969
1970         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1971                          G_CALLBACK(image_zoom_cb), imd);
1972         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1973                          G_CALLBACK(image_render_complete_cb), imd);
1974         g_signal_connect(G_OBJECT(imd->pr), "drag",
1975                          G_CALLBACK(image_drag_cb), imd);
1976
1977         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
1978
1979         image_list = g_list_append(image_list, imd);
1980
1981         return imd;
1982 }
1983 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */