src/image.c

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