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 "collect-table.h"
  28 #include "color-man.h"
  29 #include "exif.h"
  30 #include "metadata.h"
  31 #include "histogram.h"
  32 #include "image-load.h"
  33 #include "image-overlay.h"
  34 #include "layout.h"
  35 #include "layout_image.h"
  36 #include "pixbuf-renderer.h"
  37 #include "pixbuf_util.h"
  38 #include "ui_fileops.h"
  39
  40 #include "filedata.h"
  41 #include "filecache.h"
  42
  43 #include <math.h>
  44
  45 static GList *image_list = NULL;
  46
  47 static void image_update_title(ImageWindow *imd);
  48 static void image_read_ahead_start(ImageWindow *imd);
  49 static void image_cache_set(ImageWindow *imd, FileData *fd);
  50
  51 /*
  52  *-------------------------------------------------------------------
  53  * 'signals'
  54  *-------------------------------------------------------------------
  55  */
  56
  57 static void image_click_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  58 {
  59         ImageWindow *imd = data;
  60         if (!options->image_lm_click_nav && event->button == MOUSE_BUTTON_MIDDLE)
  61                 {
  62                 imd->mouse_wheel_mode = !imd->mouse_wheel_mode;
  63                 }
  64
  65         if (imd->func_button)
  66                 {
  67                 imd->func_button(imd, event, imd->data_button);
  68                 }
  69 }
  70
  71 static void image_press_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  72 {
  73         ImageWindow *imd = data;
  74         LayoutWindow *lw;
  75
  76         lw = layout_find_by_image(imd);
  77         if (lw && event->button == MOUSE_BUTTON_LEFT && event->type == GDK_2BUTTON_PRESS
  78                                                                                                 && !options->image_lm_click_nav)
  79                 {
  80                 if (lw->full_screen)
  81                         layout_image_full_screen_stop(lw);
  82                 }
  83 }
  84
  85 static void image_drag_cb(PixbufRenderer *pr, GdkEventMotion *event, gpointer data)
  86 {
  87         ImageWindow *imd = data;
  88         gint width, height;
  89
  90         pixbuf_renderer_get_scaled_size(pr, &width, &height);
  91
  92         if (imd->func_drag)
  93                 {
  94                 imd->func_drag(imd, event,
  95                                (gfloat)(pr->drag_last_x - event->x) / width,
  96                                (gfloat)(pr->drag_last_y - event->y) / height,
  97                                imd->data_button);
  98                 }
  99 }
 100
 101 static void image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
 102 {
 103         ImageWindow *imd = data;
 104
 105         if (imd->func_scroll_notify && pr->scale)
 106                 {
 107                 imd->func_scroll_notify(imd,
 108                                         (gint)((gdouble)pr->x_scroll / pr->scale),
 109                                         (gint)((gdouble)pr->y_scroll / pr->scale),
 110                                         (gint)((gdouble)pr->image_width - pr->vis_width / pr->scale),
 111                                         (gint)((gdouble)pr->image_height - pr->vis_height / pr->scale),
 112                                         imd->data_scroll_notify);
 113                 }
 114 }
 115
 116 static void image_update_util(ImageWindow *imd)
 117 {
 118         if (imd->func_update) imd->func_update(imd, imd->data_update);
 119 }
 120
 121
 122 static void image_complete_util(ImageWindow *imd, gboolean preload)
 123 {
 124         if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
 125
 126         DEBUG_1("%s image load completed \"%s\" (%s)", get_exec_time(),
 127                           (preload) ? (imd->read_ahead_fd ? imd->read_ahead_fd->path : "null") :
 128                                       (imd->image_fd ? imd->image_fd->path : "null"),
 129                           (preload) ? "preload" : "current");
 130
 131         if (!preload) imd->completed = TRUE;
 132         if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
 133 }
 134
 135 static void image_render_complete_cb(PixbufRenderer *pr, gpointer data)
 136 {
 137         ImageWindow *imd = data;
 138
 139         image_complete_util(imd, FALSE);
 140 }
 141
 142 static void image_state_set(ImageWindow *imd, ImageState state)
 143 {
 144         if (state == IMAGE_STATE_NONE)
 145                 {
 146                 imd->state = state;
 147                 }
 148         else
 149                 {
 150                 imd->state |= state;
 151                 }
 152         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 153 }
 154
 155 static void image_state_unset(ImageWindow *imd, ImageState state)
 156 {
 157         imd->state &= ~state;
 158         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 159 }
 160
 161 static void image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
 162 {
 163         ImageWindow *imd = data;
 164
 165         if (imd->title_show_zoom) image_update_title(imd);
 166         image_state_set(imd, IMAGE_STATE_IMAGE);
 167         image_update_util(imd);
 168 }
 169
 170 /*
 171  *-------------------------------------------------------------------
 172  * misc
 173  *-------------------------------------------------------------------
 174  */
 175
 176 static void image_update_title(ImageWindow *imd)
 177 {
 178         gchar *title = NULL;
 179         gchar *zoom = NULL;
 180         gchar *collection = NULL;
 181
 182         if (!imd->top_window) return;
 183
 184         if (imd->collection && collection_to_number(imd->collection) >= 0)
 185                 {
 186                 const gchar *name = imd->collection->name;
 187                 if (!name) name = _("Untitled");
 188                 collection = g_strdup_printf(_(" (Collection %s)"), name);
 189                 }
 190
 191         if (imd->title_show_zoom)
 192                 {
 193                 gchar *buf = image_zoom_get_as_text(imd);
 194                 zoom = g_strconcat(" [", buf, "]", NULL);
 195                 g_free(buf);
 196                 }
 197
 198         title = g_strdup_printf("%s%s%s%s%s%s",
 199                 imd->title ? imd->title : "",
 200                 imd->image_fd ? imd->image_fd->name : "",
 201                 zoom ? zoom : "",
 202                 collection ? collection : "",
 203                 imd->image_fd ? " - " : "",
 204                 imd->title_right ? imd->title_right : "");
 205
 206         gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
 207
 208         g_free(title);
 209         g_free(zoom);
 210         g_free(collection);
 211 }
 212
 213 /*
 214  *-------------------------------------------------------------------
 215  * rotation, flip, etc.
 216  *-------------------------------------------------------------------
 217  */
 218 static gboolean image_get_x11_screen_profile(ImageWindow *imd, guchar **screen_profile, gint *screen_profile_len)
 219 {
 220         GdkScreen *screen = gtk_widget_get_screen(imd->widget);;
 221         GdkAtom    type   = GDK_NONE;
 222         gint       format = 0;
 223
 224         return (gdk_property_get(gdk_screen_get_root_window(screen),
 225                                  gdk_atom_intern ("_ICC_PROFILE", FALSE),
 226                                  GDK_NONE,
 227                                  0, 64 * 1024 * 1024, FALSE,
 228                                  &type, &format, screen_profile_len, screen_profile) && *screen_profile_len > 0);
 229 }
 230
 231 static gboolean image_post_process_color(ImageWindow *imd, gint start_row, gboolean run_in_bg)
 232 {
 233         ColorMan *cm;
 234         ColorManProfileType input_type;
 235         ColorManProfileType screen_type;
 236         const gchar *input_file = NULL;
 237         const gchar *screen_file = NULL;
 238         guchar *profile = NULL;
 239         guint profile_len;
 240         guchar *screen_profile = NULL;
 241         gint screen_profile_len;
 242         ExifData *exif;
 243
 244         if (imd->cm) return FALSE;
 245
 246         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 247             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 248                 {
 249                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 250
 251                 if (!is_readable_file(file)) return FALSE;
 252
 253                 input_type = COLOR_PROFILE_FILE;
 254                 input_file = file;
 255                 }
 256         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 257                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 258                 {
 259                 input_type = imd->color_profile_input;
 260                 input_file = NULL;
 261                 }
 262         else
 263                 {
 264                 return FALSE;
 265                 }
 266
 267         if (options->color_profile.use_x11_screen_profile &&
 268             image_get_x11_screen_profile(imd, &screen_profile, &screen_profile_len))
 269                 {
 270                 screen_type = COLOR_PROFILE_MEM;
 271                 DEBUG_1("Using X11 screen profile, length: %d", screen_profile_len);
 272                 }
 273         else if (options->color_profile.screen_file &&
 274             is_readable_file(options->color_profile.screen_file))
 275                 {
 276                 screen_type = COLOR_PROFILE_FILE;
 277                 screen_file = options->color_profile.screen_file;
 278                 }
 279         else
 280                 {
 281                 screen_type = COLOR_PROFILE_SRGB;
 282                 screen_file = NULL;
 283                 }
 284
 285
 286         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 287
 288         exif = exif_read_fd(imd->image_fd);
 289
 290         if (exif)
 291                 {
 292                 profile = exif_get_color_profile(exif, &profile_len);
 293                 if (profile)
 294                         {
 295                         if (!imd->color_profile_use_image)
 296                                 {
 297                                 g_free(profile);
 298                                 profile = NULL;
 299                                 }
 300                         DEBUG_1("Found embedded color profile");
 301                         imd->color_profile_from_image = COLOR_PROFILE_MEM;
 302                         }
 303                 else
 304                         {
 305                         gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 306
 307                         if (interop_index)
 308                                 {
 309                                 /* Exif 2.21 specification */
 310                                 if (!strcmp(interop_index, "R98"))
 311                                         {
 312                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 313                                         DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
 314                                         }
 315                                 else if (!strcmp(interop_index, "R03"))
 316                                         {
 317                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 318                                         DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
 319                                         }
 320                                 g_free(interop_index);
 321                                 }
 322                         else
 323                                 {
 324                                 gint cs;
 325
 326                                 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 327                                 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 328                                 if (cs == 1)
 329                                         {
 330                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 331                                         DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
 332                                         }
 333                                 else if (cs == 2)
 334                                         {
 335                                         /* non-standard way of specifying AdobeRGB (used by some software) */
 336                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 337                                         DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
 338                                         }
 339                                 }
 340
 341                         if (imd->color_profile_use_image && imd->color_profile_from_image != COLOR_PROFILE_NONE)
 342                                {
 343                                input_type = imd->color_profile_from_image;
 344                                input_file = NULL;
 345                                }
 346                         }
 347
 348                 exif_free_fd(imd->image_fd, exif);
 349                 }
 350
 351
 352         if (profile)
 353                 {
 354                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 355                                             profile, profile_len,
 356                                             screen_type, screen_file, screen_profile, screen_profile_len);
 357                 g_free(profile);
 358                 }
 359         else
 360                 {
 361                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 362                                    input_type, input_file,
 363                                    screen_type, screen_file, screen_profile, screen_profile_len);
 364                 }
 365
 366         if (cm)
 367                 {
 368                 if (start_row > 0)
 369                         {
 370                         cm->row = start_row;
 371                         cm->incremental_sync = TRUE;
 372                         }
 373
 374                 imd->cm = (gpointer)cm;
 375                 }
 376
 377         image_update_util(imd);
 378
 379         if (screen_profile)
 380                 {
 381                 g_free(screen_profile);
 382                 screen_profile = NULL;
 383                 }
 384
 385         return !!cm;
 386 }
 387
 388
 389 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 390 {
 391         ImageWindow *imd = (ImageWindow *)data;
 392         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 393         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 394
 395 }
 396
 397 void image_alter_orientation(ImageWindow *imd, FileData *fd_n, AlterType type)
 398 {
 399         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 400         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 401         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 402         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 403         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 404
 405         gint orientation;
 406
 407         if (!imd || !imd->pr || !imd->image_fd || !fd_n) return;
 408
 409         orientation = EXIF_ORIENTATION_TOP_LEFT;
 410         {
 411         if (fd_n->user_orientation)
 412                 {
 413                 orientation = fd_n->user_orientation;
 414                 }
 415         else
 416                 if (options->metadata.write_orientation)
 417                         {
 418                         orientation = metadata_read_int(fd_n, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 419                         }
 420         }
 421
 422         switch (type)
 423                 {
 424                 case ALTER_ROTATE_90:
 425                         orientation = rotate_90[orientation];
 426                         break;
 427                 case ALTER_ROTATE_90_CC:
 428                         orientation = rotate_90_cc[orientation];
 429                         break;
 430                 case ALTER_ROTATE_180:
 431                         orientation = rotate_180[orientation];
 432                         break;
 433                 case ALTER_MIRROR:
 434                         orientation = mirror[orientation];
 435                         break;
 436                 case ALTER_FLIP:
 437                         orientation = flip[orientation];
 438                         break;
 439                 case ALTER_NONE:
 440                         orientation = fd_n->exif_orientation ? fd_n->exif_orientation : 1;
 441                         break;
 442                 default:
 443                         return;
 444                         break;
 445                 }
 446
 447         if (orientation != (fd_n->exif_orientation ? fd_n->exif_orientation : 1))
 448                 {
 449                 if (!options->metadata.write_orientation)
 450                         {
 451                         /* user_orientation does not work together with options->metadata.write_orientation,
 452                            use either one or the other.
 453                            we must however handle switching metadata.write_orientation on and off, therefore
 454                            we just disable referencing new fd's, not unreferencing the old ones
 455                         */
 456                         if (fd_n->user_orientation == 0) file_data_ref(fd_n);
 457                         fd_n->user_orientation = orientation;
 458                         }
 459                 }
 460         else
 461                 {
 462                 if (fd_n->user_orientation != 0) file_data_unref(fd_n);
 463                 fd_n->user_orientation = 0;
 464                 }
 465
 466         if (options->metadata.write_orientation)
 467                 {
 468                 if (type == ALTER_NONE)
 469                         {
 470                         metadata_write_revert(fd_n, ORIENTATION_KEY);
 471                         }
 472                 else
 473                         {
 474                         metadata_write_int(fd_n, ORIENTATION_KEY, orientation);
 475                         }
 476                 }
 477
 478         if (imd->image_fd == fd_n && !(options->metadata.write_orientation && !options->image.exif_rotate_enable))
 479                 {
 480                 imd->orientation = orientation;
 481                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, orientation);
 482                 }
 483 }
 484
 485 void image_set_desaturate(ImageWindow *imd, gboolean desaturate)
 486 {
 487         imd->desaturate = desaturate;
 488         if (imd->cm || imd->desaturate)
 489                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 490         else
 491                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 492         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 493 }
 494
 495 gboolean image_get_desaturate(ImageWindow *imd)
 496 {
 497         return imd->desaturate;
 498 }
 499
 500 /*
 501  *-------------------------------------------------------------------
 502  * read ahead (prebuffer)
 503  *-------------------------------------------------------------------
 504  */
 505
 506 static void image_read_ahead_cancel(ImageWindow *imd)
 507 {
 508         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 509
 510         image_loader_free(imd->read_ahead_il);
 511         imd->read_ahead_il = NULL;
 512
 513         file_data_unref(imd->read_ahead_fd);
 514         imd->read_ahead_fd = NULL;
 515 }
 516
 517 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 518 {
 519         ImageWindow *imd = data;
 520
 521         if (!imd->read_ahead_fd || !imd->read_ahead_il) return;
 522
 523         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 524
 525         if (!imd->read_ahead_fd->pixbuf)
 526                 {
 527                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 528                 if (imd->read_ahead_fd->pixbuf)
 529                         {
 530                         g_object_ref(imd->read_ahead_fd->pixbuf);
 531                         image_cache_set(imd, imd->read_ahead_fd);
 532                         }
 533                 }
 534         image_loader_free(imd->read_ahead_il);
 535         imd->read_ahead_il = NULL;
 536
 537         image_complete_util(imd, TRUE);
 538 }
 539
 540 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 541 {
 542         /* we even treat errors as success, maybe at least some of the file was ok */
 543         image_read_ahead_done_cb(il, data);
 544 }
 545
 546 static void image_read_ahead_start(ImageWindow *imd)
 547 {
 548         /* already started ? */
 549         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 550
 551         /* still loading ?, do later */
 552         if (imd->il /*|| imd->cm*/) return;
 553
 554         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 555
 556         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 557
 558         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 559
 560         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 561         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 562
 563         if (!image_loader_start(imd->read_ahead_il))
 564                 {
 565                 image_read_ahead_cancel(imd);
 566                 image_complete_util(imd, TRUE);
 567                 }
 568 }
 569
 570 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 571 {
 572         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 573
 574         image_read_ahead_cancel(imd);
 575
 576         imd->read_ahead_fd = file_data_ref(fd);
 577
 578         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 579
 580         image_read_ahead_start(imd);
 581 }
 582
 583 /*
 584  *-------------------------------------------------------------------
 585  * post buffering
 586  *-------------------------------------------------------------------
 587  */
 588
 589 static void image_cache_release_cb(FileData *fd)
 590 {
 591         g_object_unref(fd->pixbuf);
 592         fd->pixbuf = NULL;
 593 }
 594
 595 static FileCacheData *image_get_cache(void)
 596 {
 597         static FileCacheData *cache = NULL;
 598         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 599         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 600         return cache;
 601 }
 602
 603 static void image_cache_set(ImageWindow *imd, FileData *fd)
 604 {
 605         g_assert(fd->pixbuf);
 606
 607         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 608         file_data_send_notification(fd, NOTIFY_PIXBUF); /* to update histogram */
 609 }
 610
 611 static gint image_cache_get(ImageWindow *imd)
 612 {
 613         gint success;
 614
 615         success = file_cache_get(image_get_cache(), imd->image_fd);
 616         if (success)
 617                 {
 618                 g_assert(imd->image_fd->pixbuf);
 619                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 620                 }
 621
 622 //      file_cache_dump(image_get_cache());
 623         return success;
 624 }
 625
 626 /*
 627  *-------------------------------------------------------------------
 628  * loading
 629  *-------------------------------------------------------------------
 630  */
 631
 632 static void image_load_pixbuf_ready(ImageWindow *imd)
 633 {
 634         if (image_get_pixbuf(imd) || !imd->il) return;
 635
 636         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 637 }
 638
 639 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 640 {
 641         ImageWindow *imd = data;
 642         PixbufRenderer *pr;
 643
 644         pr = (PixbufRenderer *)imd->pr;
 645
 646         if (imd->delay_flip &&
 647             pr->pixbuf != image_loader_get_pixbuf(il))
 648                 {
 649                 return;
 650                 }
 651
 652         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 653
 654         pixbuf_renderer_area_changed(pr, x, y, w, h);
 655 }
 656
 657 static void image_load_done_cb(ImageLoader *il, gpointer data)
 658 {
 659         ImageWindow *imd = data;
 660
 661         DEBUG_1("%s image done", get_exec_time());
 662
 663         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 664                 {
 665                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 666                 image_cache_set(imd, imd->image_fd);
 667                 }
 668         /* call the callback triggered by image_state after fd->pixbuf is set */
 669         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 670         image_state_unset(imd, IMAGE_STATE_LOADING);
 671
 672         if (!image_loader_get_pixbuf(imd->il))
 673                 {
 674                 GdkPixbuf *pixbuf;
 675
 676                 switch (imd->image_fd->format_class)
 677                         {
 678                         case FORMAT_CLASS_UNKNOWN:
 679                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_UNKNOWN);
 680                                 break;
 681                         case FORMAT_CLASS_META:
 682                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_METADATA);
 683                                 break;
 684                         case FORMAT_CLASS_VIDEO:
 685                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_VIDEO);
 686                                 break;
 687                         default:
 688                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 689                         }
 690
 691                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 692                 g_object_unref(pixbuf);
 693
 694                 imd->unknown = TRUE;
 695                 }
 696         else if (imd->delay_flip &&
 697             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 698                 {
 699                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 700                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 701                 }
 702
 703         image_loader_free(imd->il);
 704         imd->il = NULL;
 705
 706 //      image_post_process(imd, TRUE);
 707
 708         image_read_ahead_start(imd);
 709 }
 710
 711 static void image_load_size_cb(ImageLoader *il, guint width, guint height, gpointer data)
 712 {
 713         ImageWindow *imd = data;
 714
 715         DEBUG_1("image_load_size_cb: %dx%d", width, height);
 716         pixbuf_renderer_set_size_early((PixbufRenderer *)imd->pr, width, height);
 717 }
 718
 719 static void image_load_error_cb(ImageLoader *il, gpointer data)
 720 {
 721         DEBUG_1("%s image error", get_exec_time());
 722
 723         /* even on error handle it like it was done,
 724          * since we have a pixbuf with _something_ */
 725
 726         image_load_done_cb(il, data);
 727 }
 728
 729 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 730 {
 731         g_assert(imd->il);
 732         if (override_old_signals)
 733                 {
 734                 /* override the old signals */
 735                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 736                 }
 737
 738         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 739         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 740         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 741         g_signal_connect(G_OBJECT(imd->il), "size_prepared", (GCallback)image_load_size_cb, imd);
 742 }
 743
 744 /* this read ahead is located here merely for the callbacks, above */
 745
 746 static gboolean image_read_ahead_check(ImageWindow *imd)
 747 {
 748         if (!imd->read_ahead_fd) return FALSE;
 749         if (imd->il) return FALSE;
 750
 751         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 752                 {
 753                 image_read_ahead_cancel(imd);
 754                 return FALSE;
 755                 }
 756
 757         if (imd->read_ahead_il)
 758                 {
 759                 imd->il = imd->read_ahead_il;
 760                 imd->read_ahead_il = NULL;
 761
 762                 image_load_set_signals(imd, TRUE);
 763
 764                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 765                 image_state_set(imd, IMAGE_STATE_LOADING);
 766
 767                 if (!imd->delay_flip)
 768                         {
 769                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 770                         }
 771
 772                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 773
 774                 file_data_unref(imd->read_ahead_fd);
 775                 imd->read_ahead_fd = NULL;
 776                 return TRUE;
 777                 }
 778         else if (imd->read_ahead_fd->pixbuf)
 779                 {
 780                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 781
 782                 file_data_unref(imd->read_ahead_fd);
 783                 imd->read_ahead_fd = NULL;
 784
 785 //              image_post_process(imd, FALSE);
 786                 return TRUE;
 787                 }
 788
 789         image_read_ahead_cancel(imd);
 790         return FALSE;
 791 }
 792
 793 static gboolean image_load_begin(ImageWindow *imd, FileData *fd)
 794 {
 795         DEBUG_1("%s image begin", get_exec_time());
 796
 797         if (imd->il) return FALSE;
 798
 799         imd->completed = FALSE;
 800         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 801
 802         if (image_cache_get(imd))
 803                 {
 804                 DEBUG_1("from cache: %s", imd->image_fd->path);
 805                 return TRUE;
 806                 }
 807
 808         if (image_read_ahead_check(imd))
 809                 {
 810                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 811                 return TRUE;
 812                 }
 813
 814         if (!imd->delay_flip && image_get_pixbuf(imd))
 815                 {
 816                 PixbufRenderer *pr;
 817
 818                 pr = PIXBUF_RENDERER(imd->pr);
 819                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 820                 pr->pixbuf = NULL;
 821                 }
 822
 823         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 824
 825         imd->il = image_loader_new(fd);
 826
 827         image_load_set_signals(imd, FALSE);
 828
 829         if (!image_loader_start(imd->il))
 830                 {
 831                 DEBUG_1("image start error");
 832
 833                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 834
 835                 image_loader_free(imd->il);
 836                 imd->il = NULL;
 837
 838                 image_complete_util(imd, FALSE);
 839
 840                 return FALSE;
 841                 }
 842
 843         image_state_set(imd, IMAGE_STATE_LOADING);
 844
 845 /*
 846         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 847                 {
 848                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 849                 }
 850 */
 851         return TRUE;
 852 }
 853
 854 static void image_reset(ImageWindow *imd)
 855 {
 856         /* stops anything currently being done */
 857
 858         DEBUG_1("%s image reset", get_exec_time());
 859
 860         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 861
 862         image_loader_free(imd->il);
 863         imd->il = NULL;
 864
 865         color_man_free((ColorMan *)imd->cm);
 866         imd->cm = NULL;
 867
 868         imd->delay_alter_type = ALTER_NONE;
 869
 870         image_state_set(imd, IMAGE_STATE_NONE);
 871 }
 872
 873 /*
 874  *-------------------------------------------------------------------
 875  * image changer
 876  *-------------------------------------------------------------------
 877  */
 878
 879 static void image_change_complete(ImageWindow *imd, gdouble zoom)
 880 {
 881         image_reset(imd);
 882         imd->unknown = TRUE;
 883
 884         if (!imd->image_fd)
 885                 {
 886                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 887                 }
 888         else
 889                 {
 890
 891                 if (is_readable_file(imd->image_fd->path))
 892                         {
 893                         PixbufRenderer *pr;
 894
 895                         pr = PIXBUF_RENDERER(imd->pr);
 896                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 897
 898                         if (image_load_begin(imd, imd->image_fd))
 899                                 {
 900                                 imd->unknown = FALSE;
 901                                 }
 902                         }
 903
 904                 if (imd->unknown == TRUE)
 905                         {
 906                         GdkPixbuf *pixbuf;
 907
 908                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 909                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 910                         g_object_unref(pixbuf);
 911                         }
 912                 }
 913
 914         image_update_util(imd);
 915 }
 916
 917 static void image_change_real(ImageWindow *imd, FileData *fd,
 918                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 919 {
 920
 921         imd->collection = cd;
 922         imd->collection_info = info;
 923
 924         if (imd->auto_refresh && imd->image_fd)
 925                 file_data_unregister_real_time_monitor(imd->image_fd);
 926
 927         file_data_unref(imd->image_fd);
 928         imd->image_fd = file_data_ref(fd);
 929
 930
 931         image_change_complete(imd, zoom);
 932
 933         image_update_title(imd);
 934         image_state_set(imd, IMAGE_STATE_IMAGE);
 935
 936         if (imd->auto_refresh && imd->image_fd)
 937                 file_data_register_real_time_monitor(imd->image_fd);
 938 }
 939
 940 /*
 941  *-------------------------------------------------------------------
 942  * focus stuff
 943  *-------------------------------------------------------------------
 944  */
 945
 946 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 947 {
 948         ImageWindow *imd = data;
 949
 950         if (imd->func_focus_in)
 951                 {
 952                 imd->func_focus_in(imd, imd->data_focus_in);
 953                 }
 954
 955         return TRUE;
 956 }
 957
 958 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 959 {
 960         ImageWindow *imd = data;
 961
 962         if (imd->func_scroll &&
 963             event && event->type == GDK_SCROLL)
 964                 {
 965                 imd->func_scroll(imd, event, imd->data_scroll);
 966                 return TRUE;
 967                 }
 968
 969         return FALSE;
 970 }
 971
 972 /*
 973  *-------------------------------------------------------------------
 974  * public interface
 975  *-------------------------------------------------------------------
 976  */
 977
 978 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 979                          const gchar *title, const gchar *title_right, gboolean show_zoom)
 980 {
 981         imd->top_window = window;
 982         g_free(imd->title);
 983         imd->title = g_strdup(title);
 984         g_free(imd->title_right);
 985         imd->title_right = g_strdup(title_right);
 986         imd->title_show_zoom = show_zoom;
 987
 988         if (!options->image.fit_window_to_image) window = NULL;
 989
 990         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 991
 992         image_update_title(imd);
 993 }
 994
 995 void image_set_update_func(ImageWindow *imd,
 996                            void (*func)(ImageWindow *imd, gpointer data),
 997                            gpointer data)
 998 {
 999         imd->func_update = func;
1000         imd->data_update = data;
1001 }
1002
1003 void image_set_complete_func(ImageWindow *imd,
1004                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
1005                              gpointer data)
1006 {
1007         imd->func_complete = func;
1008         imd->data_complete = data;
1009 }
1010
1011 void image_set_state_func(ImageWindow *imd,
1012                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
1013                         gpointer data)
1014 {
1015         imd->func_state = func;
1016         imd->data_state = data;
1017 }
1018
1019
1020 void image_set_button_func(ImageWindow *imd,
1021                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
1022                            gpointer data)
1023 {
1024         imd->func_button = func;
1025         imd->data_button = data;
1026 }
1027
1028 void image_set_drag_func(ImageWindow *imd,
1029                            void (*func)(ImageWindow *, GdkEventMotion *event, gdouble dx, gdouble dy, gpointer),
1030                            gpointer data)
1031 {
1032         imd->func_drag = func;
1033         imd->data_drag = data;
1034 }
1035
1036 void image_set_scroll_func(ImageWindow *imd,
1037                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
1038                            gpointer data)
1039 {
1040         imd->func_scroll = func;
1041         imd->data_scroll = data;
1042 }
1043
1044 void image_set_scroll_notify_func(ImageWindow *imd,
1045                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
1046                                   gpointer data)
1047 {
1048         imd->func_scroll_notify = func;
1049         imd->data_scroll_notify = data;
1050 }
1051
1052 void image_set_focus_in_func(ImageWindow *imd,
1053                            void (*func)(ImageWindow *, gpointer),
1054                            gpointer data)
1055 {
1056         imd->func_focus_in = func;
1057         imd->data_focus_in = data;
1058 }
1059
1060 /* path, name */
1061
1062 const gchar *image_get_path(ImageWindow *imd)
1063 {
1064         if (imd->image_fd == NULL) return NULL;
1065         return imd->image_fd->path;
1066 }
1067
1068 const gchar *image_get_name(ImageWindow *imd)
1069 {
1070         if (imd->image_fd == NULL) return NULL;
1071         return imd->image_fd->name;
1072 }
1073
1074 FileData *image_get_fd(ImageWindow *imd)
1075 {
1076         return imd->image_fd;
1077 }
1078
1079 /* merely changes path string, does not change the image! */
1080 void image_set_fd(ImageWindow *imd, FileData *fd)
1081 {
1082         if (imd->auto_refresh && imd->image_fd)
1083                 file_data_unregister_real_time_monitor(imd->image_fd);
1084
1085         file_data_unref(imd->image_fd);
1086         imd->image_fd = file_data_ref(fd);
1087
1088         image_update_title(imd);
1089         image_state_set(imd, IMAGE_STATE_IMAGE);
1090
1091         if (imd->auto_refresh && imd->image_fd)
1092                 file_data_register_real_time_monitor(imd->image_fd);
1093 }
1094
1095 /* load a new image */
1096
1097 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1098 {
1099         if (imd->image_fd == fd) return;
1100
1101         image_change_real(imd, fd, NULL, NULL, zoom);
1102 }
1103
1104 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1105 {
1106         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1107 }
1108
1109 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1110 {
1111         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1112 }
1113
1114 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1115 {
1116         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1117         /* read_exif and similar functions can actually notice that the file has changed and trigger
1118            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1119            here before it is taken over by the renderer. */
1120         if (pixbuf) g_object_ref(pixbuf);
1121
1122         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1123         if (imd->image_fd)
1124                 {
1125                 if (imd->image_fd->user_orientation)
1126                         {
1127                         imd->orientation = imd->image_fd->user_orientation;
1128                         }
1129                 else if (options->image.exif_rotate_enable)
1130                         {
1131                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1132                         imd->image_fd->exif_orientation = imd->orientation;
1133                         }
1134                 }
1135
1136         if (pixbuf)
1137                 {
1138                 stereo_data = imd->user_stereo;
1139                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1140                         {
1141                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1142                         }
1143                 }
1144
1145         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1146         if (imd->cm)
1147                 {
1148                 color_man_free(imd->cm);
1149                 imd->cm = NULL;
1150                 }
1151
1152         if (lazy)
1153                 {
1154                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1155                 }
1156         else
1157                 {
1158                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1159                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1160                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1161                 }
1162
1163         if (pixbuf) g_object_unref(pixbuf);
1164
1165         if (imd->color_profile_enable)
1166                 {
1167                 image_post_process_color(imd, 0, FALSE); /* TODO: error handling */
1168                 }
1169
1170         if (imd->cm || imd->desaturate)
1171                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1172
1173         image_state_set(imd, IMAGE_STATE_IMAGE);
1174 }
1175
1176 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1177 {
1178         CollectWindow *cw;
1179
1180         if (!cd || !info || !g_list_find(cd->list, info)) return;
1181
1182         image_change_real(imd, info->fd, cd, info, zoom);
1183         cw = collection_window_find(cd);
1184         if (cw)
1185                 {
1186                 collection_table_set_focus(cw->table, info);
1187                 collection_table_unselect_all(cw->table);
1188                 collection_table_select(cw->table,info);
1189                 }
1190 }
1191
1192 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1193 {
1194         if (collection_to_number(imd->collection) >= 0)
1195                 {
1196                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1197                         {
1198                         if (info) *info = imd->collection_info;
1199                         }
1200                 else
1201                         {
1202                         if (info) *info = NULL;
1203                         }
1204                 return imd->collection;
1205                 }
1206
1207         if (info) *info = NULL;
1208         return NULL;
1209 }
1210
1211 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1212 {
1213         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1214                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1215
1216         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1217                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1218 }
1219
1220 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1221 {
1222         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1223                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1224
1225         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1226                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1227
1228         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1229                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1230 }
1231
1232 /* this is more like a move function
1233  * it moves most data from source to imd
1234  */
1235 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1236 {
1237         if (imd == source) return;
1238
1239         imd->unknown = source->unknown;
1240
1241         imd->collection = source->collection;
1242         imd->collection_info = source->collection_info;
1243
1244         image_loader_free(imd->il);
1245         imd->il = NULL;
1246
1247         image_set_fd(imd, image_get_fd(source));
1248
1249
1250         if (source->il)
1251                 {
1252                 imd->il = source->il;
1253                 source->il = NULL;
1254
1255                 image_loader_sync_data(imd->il, source, imd);
1256
1257                 imd->delay_alter_type = source->delay_alter_type;
1258                 source->delay_alter_type = ALTER_NONE;
1259                 }
1260
1261         imd->color_profile_enable = source->color_profile_enable;
1262         imd->color_profile_input = source->color_profile_input;
1263         imd->color_profile_use_image = source->color_profile_use_image;
1264         color_man_free((ColorMan *)imd->cm);
1265         imd->cm = NULL;
1266         if (source->cm)
1267                 {
1268                 ColorMan *cm;
1269
1270                 imd->cm = source->cm;
1271                 source->cm = NULL;
1272
1273                 cm = (ColorMan *)imd->cm;
1274                 cm->imd = imd;
1275                 cm->func_done_data = imd;
1276                 }
1277
1278         file_data_unref(imd->read_ahead_fd);
1279         source->read_ahead_fd = NULL;
1280
1281         imd->orientation = source->orientation;
1282         imd->desaturate = source->desaturate;
1283
1284         imd->user_stereo = source->user_stereo;
1285
1286         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1287
1288         if (imd->cm || imd->desaturate)
1289                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1290         else
1291                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1292
1293 }
1294
1295 /* this is  a copy function
1296  * source stays unchanged
1297  */
1298 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1299 {
1300         if (imd == source) return;
1301
1302         imd->unknown = source->unknown;
1303
1304         imd->collection = source->collection;
1305         imd->collection_info = source->collection_info;
1306
1307         image_loader_free(imd->il);
1308         imd->il = NULL;
1309
1310         image_set_fd(imd, image_get_fd(source));
1311
1312
1313         imd->color_profile_enable = source->color_profile_enable;
1314         imd->color_profile_input = source->color_profile_input;
1315         imd->color_profile_use_image = source->color_profile_use_image;
1316         color_man_free((ColorMan *)imd->cm);
1317         imd->cm = NULL;
1318         if (source->cm)
1319                 {
1320                 ColorMan *cm;
1321
1322                 imd->cm = source->cm;
1323                 source->cm = NULL;
1324
1325                 cm = (ColorMan *)imd->cm;
1326                 cm->imd = imd;
1327                 cm->func_done_data = imd;
1328                 }
1329
1330         image_loader_free(imd->read_ahead_il);
1331         imd->read_ahead_il = source->read_ahead_il;
1332         source->read_ahead_il = NULL;
1333         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1334
1335         file_data_unref(imd->read_ahead_fd);
1336         imd->read_ahead_fd = source->read_ahead_fd;
1337         source->read_ahead_fd = NULL;
1338
1339         imd->completed = source->completed;
1340         imd->state = source->state;
1341         source->state = IMAGE_STATE_NONE;
1342
1343         imd->orientation = source->orientation;
1344         imd->desaturate = source->desaturate;
1345
1346         imd->user_stereo = source->user_stereo;
1347
1348         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1349
1350         if (imd->cm || imd->desaturate)
1351                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1352         else
1353                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1354
1355 }
1356
1357
1358 /* manipulation */
1359
1360 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1361 {
1362         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1363 }
1364
1365 void image_reload(ImageWindow *imd)
1366 {
1367         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1368
1369         image_change_complete(imd, image_zoom_get(imd));
1370 }
1371
1372 void image_scroll(ImageWindow *imd, gint x, gint y)
1373 {
1374         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1375 }
1376
1377 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1378                            gdouble x_align, gdouble y_align)
1379 {
1380         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1381 }
1382
1383 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1384 {
1385         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1386 }
1387
1388 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1389 {
1390         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1391 }
1392
1393 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1394 {
1395         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1396 }
1397
1398 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1399 {
1400         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1401 }
1402
1403 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1404 {
1405         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1406 }
1407
1408 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1409 {
1410         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1411 }
1412
1413 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1414 {
1415         PixbufRenderer *pr;
1416         gdouble zoom;
1417         gint width, height;
1418
1419         pr = (PixbufRenderer *)imd->pr;
1420
1421         if (!pixbuf_renderer_get_pixbuf(pr) ||
1422             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1423
1424         if (vertical)
1425                 {
1426                 zoom = (gdouble)pr->viewport_height / height;
1427                 }
1428         else
1429                 {
1430                 zoom = (gdouble)pr->viewport_width / width;
1431                 }
1432
1433         if (zoom < 1.0)
1434                 {
1435                 zoom = 0.0 - 1.0 / zoom;
1436                 }
1437
1438         pixbuf_renderer_zoom_set(pr, zoom);
1439 }
1440
1441 gdouble image_zoom_get(ImageWindow *imd)
1442 {
1443         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1444 }
1445
1446 gdouble image_zoom_get_real(ImageWindow *imd)
1447 {
1448         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1449 }
1450
1451 gchar *image_zoom_get_as_text(ImageWindow *imd)
1452 {
1453         gdouble zoom;
1454         gdouble scale;
1455         gdouble l = 1.0;
1456         gdouble r = 1.0;
1457         gint pl = 0;
1458         gint pr = 0;
1459         gchar *approx = " ";
1460
1461         zoom = image_zoom_get(imd);
1462         scale = image_zoom_get_real(imd);
1463
1464         if (zoom > 0.0)
1465                 {
1466                 l = zoom;
1467                 }
1468         else if (zoom < 0.0)
1469                 {
1470                 r = 0.0 - zoom;
1471                 }
1472         else if (zoom == 0.0 && scale != 0.0)
1473                 {
1474                 if (scale >= 1.0)
1475                         {
1476                         l = scale;
1477                         }
1478                 else
1479                         {
1480                         r = 1.0 / scale;
1481                         }
1482                 approx = "~";
1483                 }
1484
1485         if (rint(l) != l) pl = 2;
1486         if (rint(r) != r) pr = 2;
1487
1488         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1489 }
1490
1491 gdouble image_zoom_get_default(ImageWindow *imd)
1492 {
1493         gdouble zoom = 1.0;
1494
1495         switch (options->image.zoom_mode)
1496         {
1497         case ZOOM_RESET_ORIGINAL:
1498                 break;
1499         case ZOOM_RESET_FIT_WINDOW:
1500                 zoom = 0.0;
1501                 break;
1502         case ZOOM_RESET_NONE:
1503                 if (imd) zoom = image_zoom_get(imd);
1504                 break;
1505         }
1506
1507         return zoom;
1508 }
1509
1510 /* stereo */
1511 gint image_stereo_get(ImageWindow *imd)
1512 {
1513         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1514 }
1515
1516 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1517 {
1518         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1519         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1520 }
1521
1522 void image_stereo_swap(ImageWindow *imd)
1523 {
1524         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1525         stereo_mode ^= PR_STEREO_SWAP;
1526         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1527 }
1528
1529 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1530 {
1531         return imd->user_stereo;
1532 }
1533
1534 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1535 {
1536         imd->user_stereo = stereo_mode;
1537         image_reload(imd);
1538 }
1539
1540 /* read ahead */
1541
1542 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1543 {
1544         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1545
1546         if (fd)
1547                 {
1548                 if (!file_cache_get(image_get_cache(), fd))
1549                         {
1550                         image_read_ahead_set(imd, fd);
1551                         }
1552                 }
1553         else
1554                 {
1555                 image_read_ahead_cancel(imd);
1556                 }
1557 }
1558
1559 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1560 {
1561         ImageWindow *imd = data;
1562
1563         if (!imd || !image_get_pixbuf(imd) ||
1564             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1565             !imd->image_fd || /* nothing to reload */
1566             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1567             ) return;
1568
1569         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1570                 {
1571                 /* there is no need to reload on NOTIFY_CHANGE,
1572                    modified files should be detacted anyway and NOTIFY_REREAD should be recieved
1573                    or they are removed from the filelist completely on "move" and "delete"
1574                 */
1575                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1576                 image_reload(imd);
1577                 }
1578 }
1579
1580 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1581 {
1582         if (!enable && imd->auto_refresh && imd->image_fd)
1583                 file_data_unregister_real_time_monitor(imd->image_fd);
1584
1585         if (enable && !imd->auto_refresh && imd->image_fd)
1586                 file_data_register_real_time_monitor(imd->image_fd);
1587
1588         imd->auto_refresh = enable;
1589 }
1590
1591 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1592 {
1593         imd->top_window_sync = allow_sync;
1594
1595         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1596 }
1597
1598 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1599 {
1600         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1601 }
1602
1603 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1604 {
1605         GdkColor *color = NULL;
1606
1607         if ((options->image.use_custom_border_color && !fullscreen) ||
1608             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1609                 {
1610                 color = &options->image.border_color;
1611                 }
1612
1613         image_background_set_color(imd, color);
1614 }
1615
1616 void image_color_profile_set(ImageWindow *imd,
1617                              gint input_type,
1618                              gboolean use_image)
1619 {
1620         if (!imd) return;
1621
1622         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1623                 {
1624                 return;
1625                 }
1626
1627         imd->color_profile_input = input_type;
1628         imd->color_profile_use_image = use_image;
1629 }
1630
1631 gboolean image_color_profile_get(ImageWindow *imd,
1632                                  gint *input_type,
1633                                  gboolean *use_image)
1634 {
1635         if (!imd) return FALSE;
1636
1637         if (input_type) *input_type = imd->color_profile_input;
1638         if (use_image) *use_image = imd->color_profile_use_image;
1639
1640         return TRUE;
1641 }
1642
1643 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1644 {
1645         if (!imd) return;
1646
1647         if (imd->color_profile_enable == enable) return;
1648
1649         imd->color_profile_enable = enable;
1650 }
1651
1652 gboolean image_color_profile_get_use(ImageWindow *imd)
1653 {
1654         if (!imd) return FALSE;
1655
1656         return imd->color_profile_enable;
1657 }
1658
1659 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1660 {
1661         ColorMan *cm;
1662         if (!imd) return FALSE;
1663
1664         cm = imd->cm;
1665         if (!cm) return FALSE;
1666         return color_man_get_status(cm, image_profile, screen_profile);
1667
1668 }
1669
1670 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1671 {
1672         if (!imd ||
1673             imd->delay_flip == delay) return;
1674
1675         imd->delay_flip = delay;
1676
1677         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1678
1679         if (!imd->delay_flip && imd->il)
1680                 {
1681                 PixbufRenderer *pr;
1682
1683                 pr = PIXBUF_RENDERER(imd->pr);
1684                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1685                 pr->pixbuf = NULL;
1686
1687                 image_load_pixbuf_ready(imd);
1688                 }
1689 }
1690
1691 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1692 {
1693 #if !GTK_CHECK_VERSION(3,0,0)
1694         GdkScreen *screen;
1695         GdkWindow *rootwindow;
1696         GdkPixmap *pixmap;
1697         GdkPixbuf *pixbuf;
1698         GdkPixbuf *pb;
1699         gint width, height;
1700
1701         if (!imd) return;
1702
1703         pixbuf = image_get_pixbuf(imd);
1704         if (!pixbuf) return;
1705
1706         screen = gtk_widget_get_screen(imd->widget);
1707         rootwindow = gdk_screen_get_root_window(screen);
1708         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1709
1710         if (scaled)
1711                 {
1712                 width = gdk_screen_width();
1713                 height = gdk_screen_height();
1714                 }
1715         else
1716                 {
1717                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1718                 }
1719
1720         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1721
1722         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1723         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1724         gdk_window_clear(rootwindow);
1725         g_object_unref(pb);
1726         g_object_unref(pixmap);
1727
1728         gdk_flush();
1729 #endif
1730 }
1731
1732 void image_select(ImageWindow *imd, gboolean select)
1733 {
1734         if (!imd->has_frame) return;
1735
1736         if (select)
1737                 {
1738                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1739                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1740                 }
1741         else
1742                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1743 }
1744
1745 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1746 {
1747         if (!imd->has_frame) return;
1748
1749         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1750         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1751 }
1752
1753 void image_grab_focus(ImageWindow *imd)
1754 {
1755         if (imd->has_frame)
1756                 {
1757                 gtk_widget_grab_focus(imd->frame);
1758                 }
1759         else
1760                 {
1761                 gtk_widget_grab_focus(imd->widget);
1762                 }
1763 }
1764
1765
1766 /*
1767  *-------------------------------------------------------------------
1768  * prefs sync
1769  *-------------------------------------------------------------------
1770  */
1771
1772 static void image_options_set(ImageWindow *imd)
1773 {
1774         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1775                                         "zoom_2pass", options->image.zoom_2pass,
1776                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1777                                         "scroll_reset", options->image.scroll_reset_method,
1778                                         "cache_display", options->image.tile_cache_max,
1779                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1780                                         "window_limit", options->image.limit_window_size,
1781                                         "window_limit_value", options->image.max_window_size,
1782                                         "autofit_limit", options->image.limit_autofit_size,
1783                                         "autofit_limit_value", options->image.max_autofit_size,
1784                                         "enlargement_limit_value", options->image.max_enlargement_size,
1785
1786                                         NULL);
1787
1788         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1789
1790         image_stereo_set(imd, options->stereo.mode);
1791         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
1792                                         options->stereo.fixed_w, options->stereo.fixed_h,
1793                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
1794                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
1795 }
1796
1797 void image_options_sync(void)
1798 {
1799         GList *work;
1800
1801         work = image_list;
1802         while (work)
1803                 {
1804                 ImageWindow *imd;
1805
1806                 imd = work->data;
1807                 work = work->next;
1808
1809                 image_options_set(imd);
1810                 }
1811 }
1812
1813 /*
1814  *-------------------------------------------------------------------
1815  * init / destroy
1816  *-------------------------------------------------------------------
1817  */
1818
1819 static void image_free(ImageWindow *imd)
1820 {
1821         image_list = g_list_remove(image_list, imd);
1822
1823         if (imd->auto_refresh && imd->image_fd)
1824                 file_data_unregister_real_time_monitor(imd->image_fd);
1825
1826         file_data_unregister_notify_func(image_notify_cb, imd);
1827
1828         image_reset(imd);
1829
1830         image_read_ahead_cancel(imd);
1831
1832         file_data_unref(imd->image_fd);
1833         g_free(imd->title);
1834         g_free(imd->title_right);
1835         g_free(imd);
1836 }
1837
1838 static void image_destroy_cb(GtkWidget *widget, gpointer data)
1839 {
1840         ImageWindow *imd = data;
1841         image_free(imd);
1842 }
1843 #if GTK_CHECK_VERSION(3,0,0)
1844 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
1845 {
1846         GtkAllocation allocation;
1847         gtk_widget_get_allocation(widget, &allocation);
1848         gtk_paint_flat_box(gtk_widget_get_style(widget),
1849                            cr,
1850                            gtk_widget_get_state(widget),
1851                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
1852                            widget,
1853                            NULL,
1854                            allocation.x + 3, allocation.y + 3,
1855                            allocation.width - 6, allocation.height - 6);
1856
1857         if (gtk_widget_has_focus(widget))
1858                 {
1859                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
1860                                 widget, "image_window",
1861                                 allocation.x, allocation.y,
1862                                 allocation.width - 1, allocation.height - 1);
1863                 }
1864         else
1865                 {
1866                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
1867                                  widget, "image_window",
1868                                  allocation.x, allocation.y,
1869                                  allocation.width - 1, allocation.height - 1);
1870                 }
1871         return FALSE;
1872 }
1873
1874 #else
1875 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1876 {
1877         GtkAllocation allocation;
1878         gtk_widget_get_allocation(widget, &allocation);
1879         gtk_paint_flat_box(gtk_widget_get_style(widget),
1880                            gtk_widget_get_window(widget),
1881                            gtk_widget_get_state(widget),
1882                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
1883                            NULL,
1884                            widget,
1885                            NULL,
1886                            allocation.x + 3, allocation.y + 3,
1887                            allocation.width - 6, allocation.height - 6);
1888
1889         if (gtk_widget_has_focus(widget))
1890                 {
1891                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
1892                                 &event->area, widget, "image_window",
1893                                 allocation.x, allocation.y,
1894                                 allocation.width - 1, allocation.height - 1);
1895                 }
1896         else
1897                 {
1898                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
1899                                  &event->area, widget, "image_window",
1900                                  allocation.x, allocation.y,
1901                                  allocation.width - 1, allocation.height - 1);
1902                 }
1903         return FALSE;
1904 }
1905 #endif
1906
1907
1908 void image_set_frame(ImageWindow *imd, gboolean frame)
1909 {
1910         frame = !!frame;
1911
1912         if (frame == imd->has_frame) return;
1913
1914         gtk_widget_hide(imd->pr);
1915
1916         if (frame)
1917                 {
1918                 imd->frame = gtk_frame_new(NULL);
1919                 g_object_ref(imd->pr);
1920                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1921                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1922
1923                 g_object_unref(imd->pr);
1924                 gtk_widget_set_can_focus(imd->frame, TRUE);
1925                 gtk_widget_set_app_paintable(imd->frame, TRUE);
1926
1927 #if GTK_CHECK_VERSION(3,0,0)
1928                 g_signal_connect(G_OBJECT(imd->frame), "draw",
1929                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
1930 #else
1931                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1932                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1933 #endif
1934                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1935                                  G_CALLBACK(image_focus_in_cb), imd);
1936
1937                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1938                 gtk_widget_show(imd->frame);
1939                 }
1940         else
1941                 {
1942                 g_object_ref(imd->pr);
1943                 if (imd->frame)
1944                         {
1945                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1946                         gtk_widget_destroy(imd->frame);
1947                         imd->frame = NULL;
1948                         }
1949                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1950
1951                 g_object_unref(imd->pr);
1952                 }
1953
1954         gtk_widget_show(imd->pr);
1955
1956         imd->has_frame = frame;
1957 }
1958
1959 ImageWindow *image_new(gboolean frame)
1960 {
1961         ImageWindow *imd;
1962
1963         imd = g_new0(ImageWindow, 1);
1964
1965         imd->unknown = TRUE;
1966         imd->has_frame = -1; /* not initialized; for image_set_frame */
1967         imd->delay_alter_type = ALTER_NONE;
1968         imd->state = IMAGE_STATE_NONE;
1969         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1970         imd->orientation = 1;
1971
1972         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1973
1974         image_options_set(imd);
1975
1976         imd->widget = gtk_vbox_new(0, 0);
1977
1978         image_set_frame(imd, frame);
1979
1980         image_set_selectable(imd, 0);
1981
1982         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1983                          G_CALLBACK(image_click_cb), imd);
1984         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
1985                          G_CALLBACK(image_press_cb), imd);
1986         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1987                          G_CALLBACK(image_scroll_notify_cb), imd);
1988
1989         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1990                          G_CALLBACK(image_scroll_cb), imd);
1991
1992         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1993                          G_CALLBACK(image_destroy_cb), imd);
1994
1995         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1996                          G_CALLBACK(image_zoom_cb), imd);
1997         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1998                          G_CALLBACK(image_render_complete_cb), imd);
1999         g_signal_connect(G_OBJECT(imd->pr), "drag",
2000                          G_CALLBACK(image_drag_cb), imd);
2001
2002         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
2003
2004         image_list = g_list_append(image_list, imd);
2005
2006         return imd;
2007 }
2008 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */