src/image.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2012 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 "metadata.h"
  22 #include "histogram.h"
  23 #include "image-load.h"
  24 #include "image-overlay.h"
  25 #include "layout.h"
  26 #include "layout_image.h"
  27 #include "pixbuf-renderer.h"
  28 #include "pixbuf_util.h"
  29 #include "ui_fileops.h"
  30
  31 #include "filedata.h"
  32 #include "filecache.h"
  33
  34 #include <math.h>
  35
  36 static GList *image_list = NULL;
  37
  38 static void image_update_title(ImageWindow *imd);
  39 static void image_read_ahead_start(ImageWindow *imd);
  40 static void image_cache_set(ImageWindow *imd, FileData *fd);
  41
  42 /*
  43  *-------------------------------------------------------------------
  44  * 'signals'
  45  *-------------------------------------------------------------------
  46  */
  47
  48 static void image_click_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  49 {
  50         ImageWindow *imd = data;
  51
  52         if (imd->func_button)
  53                 {
  54                 imd->func_button(imd, event, imd->data_button);
  55                 }
  56 }
  57
  58 static void image_drag_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  59 {
  60         ImageWindow *imd = data;
  61         gint width, height;
  62
  63         pixbuf_renderer_get_scaled_size(pr, &width, &height);
  64
  65         if (imd->func_drag)
  66                 {
  67                 imd->func_drag(imd, event,
  68                                (gfloat)(pr->drag_last_x - event->x) / width,
  69                                (gfloat)(pr->drag_last_y - event->y) / height,
  70                                imd->data_button);
  71                 }
  72 }
  73
  74 static void image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
  75 {
  76         ImageWindow *imd = data;
  77
  78         if (imd->func_scroll_notify && pr->scale)
  79                 {
  80                 imd->func_scroll_notify(imd,
  81                                         (gint)((gdouble)pr->x_scroll / pr->scale),
  82                                         (gint)((gdouble)pr->y_scroll / pr->scale),
  83                                         (gint)((gdouble)pr->image_width - pr->vis_width / pr->scale),
  84                                         (gint)((gdouble)pr->image_height - pr->vis_height / pr->scale),
  85                                         imd->data_scroll_notify);
  86                 }
  87 }
  88
  89 static void image_update_util(ImageWindow *imd)
  90 {
  91         if (imd->func_update) imd->func_update(imd, imd->data_update);
  92 }
  93
  94
  95 static void image_complete_util(ImageWindow *imd, gboolean preload)
  96 {
  97         if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
  98
  99         DEBUG_1("%s image load completed \"%s\" (%s)", get_exec_time(),
 100                           (preload) ? (imd->read_ahead_fd ? imd->read_ahead_fd->path : "null") :
 101                                       (imd->image_fd ? imd->image_fd->path : "null"),
 102                           (preload) ? "preload" : "current");
 103
 104         if (!preload) imd->completed = TRUE;
 105         if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
 106 }
 107
 108 static void image_render_complete_cb(PixbufRenderer *pr, gpointer data)
 109 {
 110         ImageWindow *imd = data;
 111
 112         image_complete_util(imd, FALSE);
 113 }
 114
 115 static void image_state_set(ImageWindow *imd, ImageState state)
 116 {
 117         if (state == IMAGE_STATE_NONE)
 118                 {
 119                 imd->state = state;
 120                 }
 121         else
 122                 {
 123                 imd->state |= state;
 124                 }
 125         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 126 }
 127
 128 static void image_state_unset(ImageWindow *imd, ImageState state)
 129 {
 130         imd->state &= ~state;
 131         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 132 }
 133
 134 static void image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
 135 {
 136         ImageWindow *imd = data;
 137
 138         if (imd->title_show_zoom) image_update_title(imd);
 139         image_state_set(imd, IMAGE_STATE_IMAGE);
 140         image_update_util(imd);
 141 }
 142
 143 /*
 144  *-------------------------------------------------------------------
 145  * misc
 146  *-------------------------------------------------------------------
 147  */
 148
 149 static void image_update_title(ImageWindow *imd)
 150 {
 151         gchar *title = NULL;
 152         gchar *zoom = NULL;
 153         gchar *collection = NULL;
 154
 155         if (!imd->top_window) return;
 156
 157         if (imd->collection && collection_to_number(imd->collection) >= 0)
 158                 {
 159                 const gchar *name = imd->collection->name;
 160                 if (!name) name = _("Untitled");
 161                 collection = g_strdup_printf(_(" (Collection %s)"), name);
 162                 }
 163
 164         if (imd->title_show_zoom)
 165                 {
 166                 gchar *buf = image_zoom_get_as_text(imd);
 167                 zoom = g_strconcat(" [", buf, "]", NULL);
 168                 g_free(buf);
 169                 }
 170
 171         title = g_strdup_printf("%s%s%s%s%s%s",
 172                 imd->title ? imd->title : "",
 173                 imd->image_fd ? imd->image_fd->name : "",
 174                 zoom ? zoom : "",
 175                 collection ? collection : "",
 176                 imd->image_fd ? " - " : "",
 177                 imd->title_right ? imd->title_right : "");
 178
 179         gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
 180
 181         g_free(title);
 182         g_free(zoom);
 183         g_free(collection);
 184 }
 185
 186 /*
 187  *-------------------------------------------------------------------
 188  * rotation, flip, etc.
 189  *-------------------------------------------------------------------
 190  */
 191 static gboolean image_get_x11_screen_profile(ImageWindow *imd, guchar **screen_profile, gint *screen_profile_len)
 192 {
 193         GdkScreen *screen = gtk_widget_get_screen(imd->widget);;
 194         GdkAtom    type   = GDK_NONE;
 195         gint       format = 0;
 196
 197         return (gdk_property_get(gdk_screen_get_root_window(screen),
 198                                  gdk_atom_intern ("_ICC_PROFILE", FALSE),
 199                                  GDK_NONE,
 200                                  0, 64 * 1024 * 1024, FALSE,
 201                                  &type, &format, screen_profile_len, screen_profile) && *screen_profile_len > 0);
 202 }
 203
 204 static gboolean image_post_process_color(ImageWindow *imd, gint start_row, gboolean run_in_bg)
 205 {
 206         ColorMan *cm;
 207         ColorManProfileType input_type;
 208         ColorManProfileType screen_type;
 209         const gchar *input_file = NULL;
 210         const gchar *screen_file = NULL;
 211         guchar *profile = NULL;
 212         guint profile_len;
 213         guchar *screen_profile = NULL;
 214         gint screen_profile_len;
 215         ExifData *exif;
 216
 217         if (imd->cm) return FALSE;
 218
 219         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 220             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 221                 {
 222                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 223
 224                 if (!is_readable_file(file)) return FALSE;
 225
 226                 input_type = COLOR_PROFILE_FILE;
 227                 input_file = file;
 228                 }
 229         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 230                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 231                 {
 232                 input_type = imd->color_profile_input;
 233                 input_file = NULL;
 234                 }
 235         else
 236                 {
 237                 return FALSE;
 238                 }
 239
 240         if (options->color_profile.use_x11_screen_profile &&
 241             image_get_x11_screen_profile(imd, &screen_profile, &screen_profile_len))
 242                 {
 243                 screen_type = COLOR_PROFILE_MEM;
 244                 DEBUG_1("Using X11 screen profile, length: %d", screen_profile_len);
 245                 }
 246         else if (options->color_profile.screen_file &&
 247             is_readable_file(options->color_profile.screen_file))
 248                 {
 249                 screen_type = COLOR_PROFILE_FILE;
 250                 screen_file = options->color_profile.screen_file;
 251                 }
 252         else
 253                 {
 254                 screen_type = COLOR_PROFILE_SRGB;
 255                 screen_file = NULL;
 256                 }
 257
 258
 259         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 260
 261         exif = exif_read_fd(imd->image_fd);
 262
 263         if (exif)
 264                 {
 265                 profile = exif_get_color_profile(exif, &profile_len);
 266                 if (profile)
 267                         {
 268                         if (!imd->color_profile_use_image)
 269                                 {
 270                                 g_free(profile);
 271                                 profile = NULL;
 272                                 }
 273                         DEBUG_1("Found embedded color profile");
 274                         imd->color_profile_from_image = COLOR_PROFILE_MEM;
 275                         }
 276                 else
 277                         {
 278                         gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 279
 280                         if (interop_index)
 281                                 {
 282                                 /* Exif 2.21 specification */
 283                                 if (!strcmp(interop_index, "R98"))
 284                                         {
 285                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 286                                         DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
 287                                         }
 288                                 else if (!strcmp(interop_index, "R03"))
 289                                         {
 290                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 291                                         DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
 292                                         }
 293                                 g_free(interop_index);
 294                                 }
 295                         else
 296                                 {
 297                                 gint cs;
 298
 299                                 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 300                                 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 301                                 if (cs == 1)
 302                                         {
 303                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 304                                         DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
 305                                         }
 306                                 else if (cs == 2)
 307                                         {
 308                                         /* non-standard way of specifying AdobeRGB (used by some software) */
 309                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 310                                         DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
 311                                         }
 312                                 }
 313
 314                         if (imd->color_profile_use_image && imd->color_profile_from_image != COLOR_PROFILE_NONE)
 315                                {
 316                                input_type = imd->color_profile_from_image;
 317                                input_file = NULL;
 318                                }
 319                         }
 320
 321                 exif_free_fd(imd->image_fd, exif);
 322                 }
 323
 324
 325         if (profile)
 326                 {
 327                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 328                                             profile, profile_len,
 329                                             screen_type, screen_file, screen_profile, screen_profile_len);
 330                 g_free(profile);
 331                 }
 332         else
 333                 {
 334                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 335                                    input_type, input_file,
 336                                    screen_type, screen_file, screen_profile, screen_profile_len);
 337                 }
 338
 339         if (cm)
 340                 {
 341                 if (start_row > 0)
 342                         {
 343                         cm->row = start_row;
 344                         cm->incremental_sync = TRUE;
 345                         }
 346
 347                 imd->cm = (gpointer)cm;
 348                 }
 349
 350         image_update_util(imd);
 351
 352         if (screen_profile)
 353                 {
 354                 g_free(screen_profile);
 355                 screen_profile = NULL;
 356                 }
 357
 358         return !!cm;
 359 }
 360
 361
 362 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 363 {
 364         ImageWindow *imd = (ImageWindow *)data;
 365         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 366         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 367
 368 }
 369
 370 void image_alter_orientation(ImageWindow *imd, AlterType type)
 371 {
 372         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 373         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 374         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 375         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 376         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 377
 378
 379         if (!imd || !imd->pr || !imd->image_fd) return;
 380
 381         if (imd->orientation < 1 || imd->orientation > 8) imd->orientation = 1;
 382
 383         switch (type)
 384                 {
 385                 case ALTER_ROTATE_90:
 386                         imd->orientation = rotate_90[imd->orientation];
 387                         break;
 388                 case ALTER_ROTATE_90_CC:
 389                         imd->orientation = rotate_90_cc[imd->orientation];
 390                         break;
 391                 case ALTER_ROTATE_180:
 392                         imd->orientation = rotate_180[imd->orientation];
 393                         break;
 394                 case ALTER_MIRROR:
 395                         imd->orientation = mirror[imd->orientation];
 396                         break;
 397                 case ALTER_FLIP:
 398                         imd->orientation = flip[imd->orientation];
 399                         break;
 400                 case ALTER_NONE:
 401                         imd->orientation = imd->image_fd->exif_orientation ? imd->image_fd->exif_orientation : 1;
 402                         break;
 403                 default:
 404                         return;
 405                         break;
 406                 }
 407
 408         if (imd->orientation != imd->image_fd->exif_orientation ? imd->image_fd->exif_orientation : 1)
 409                 {
 410                 if (!options->metadata.write_orientation)
 411                         {
 412                         /* user_orientation does not work together with options->metadata.write_orientation,
 413                            use either one or the other.
 414                            we must however handle switching metadata.write_orientation on and off, therefore
 415                            we just disable referencing new fd's, not unreferencing the old ones
 416                         */
 417                         if (imd->image_fd->user_orientation == 0) file_data_ref(imd->image_fd);
 418                         imd->image_fd->user_orientation = imd->orientation;
 419                         }
 420                 }
 421         else
 422                 {
 423                 if (imd->image_fd->user_orientation != 0) file_data_unref(imd->image_fd);
 424                 imd->image_fd->user_orientation = 0;
 425                 }
 426
 427         if (options->metadata.write_orientation)
 428                 {
 429                 if (type == ALTER_NONE)
 430                         {
 431                         metadata_write_revert(imd->image_fd, ORIENTATION_KEY);
 432                         }
 433                 else
 434                         {
 435                         metadata_write_int(imd->image_fd, ORIENTATION_KEY, imd->orientation);
 436                         }
 437                 }
 438
 439         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 440 }
 441
 442 void image_set_desaturate(ImageWindow *imd, gboolean desaturate)
 443 {
 444         imd->desaturate = desaturate;
 445         if (imd->cm || imd->desaturate)
 446                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 447         else
 448                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 449         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 450 }
 451
 452 gboolean image_get_desaturate(ImageWindow *imd)
 453 {
 454         return imd->desaturate;
 455 }
 456
 457 /*
 458  *-------------------------------------------------------------------
 459  * read ahead (prebuffer)
 460  *-------------------------------------------------------------------
 461  */
 462
 463 static void image_read_ahead_cancel(ImageWindow *imd)
 464 {
 465         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 466
 467         image_loader_free(imd->read_ahead_il);
 468         imd->read_ahead_il = NULL;
 469
 470         file_data_unref(imd->read_ahead_fd);
 471         imd->read_ahead_fd = NULL;
 472 }
 473
 474 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 475 {
 476         ImageWindow *imd = data;
 477
 478         if (!imd->read_ahead_fd || !imd->read_ahead_il) return;
 479
 480         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 481
 482         if (!imd->read_ahead_fd->pixbuf)
 483                 {
 484                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 485                 if (imd->read_ahead_fd->pixbuf)
 486                         {
 487                         g_object_ref(imd->read_ahead_fd->pixbuf);
 488                         image_cache_set(imd, imd->read_ahead_fd);
 489                         }
 490                 }
 491         image_loader_free(imd->read_ahead_il);
 492         imd->read_ahead_il = NULL;
 493
 494         image_complete_util(imd, TRUE);
 495 }
 496
 497 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 498 {
 499         /* we even treat errors as success, maybe at least some of the file was ok */
 500         image_read_ahead_done_cb(il, data);
 501 }
 502
 503 static void image_read_ahead_start(ImageWindow *imd)
 504 {
 505         /* already started ? */
 506         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 507
 508         /* still loading ?, do later */
 509         if (imd->il /*|| imd->cm*/) return;
 510
 511         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 512
 513         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 514
 515         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 516
 517         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 518         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 519
 520         if (!image_loader_start(imd->read_ahead_il))
 521                 {
 522                 image_read_ahead_cancel(imd);
 523                 image_complete_util(imd, TRUE);
 524                 }
 525 }
 526
 527 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 528 {
 529         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 530
 531         image_read_ahead_cancel(imd);
 532
 533         imd->read_ahead_fd = file_data_ref(fd);
 534
 535         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 536
 537         image_read_ahead_start(imd);
 538 }
 539
 540 /*
 541  *-------------------------------------------------------------------
 542  * post buffering
 543  *-------------------------------------------------------------------
 544  */
 545
 546 static void image_cache_release_cb(FileData *fd)
 547 {
 548         g_object_unref(fd->pixbuf);
 549         fd->pixbuf = NULL;
 550 }
 551
 552 static FileCacheData *image_get_cache(void)
 553 {
 554         static FileCacheData *cache = NULL;
 555         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 556         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 557         return cache;
 558 }
 559
 560 static void image_cache_set(ImageWindow *imd, FileData *fd)
 561 {
 562         g_assert(fd->pixbuf);
 563
 564         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 565         file_data_send_notification(fd, NOTIFY_PIXBUF); /* to update histogram */
 566 }
 567
 568 static gint image_cache_get(ImageWindow *imd)
 569 {
 570         gint success;
 571
 572         success = file_cache_get(image_get_cache(), imd->image_fd);
 573         if (success)
 574                 {
 575                 g_assert(imd->image_fd->pixbuf);
 576                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 577                 }
 578
 579 //      file_cache_dump(image_get_cache());
 580         return success;
 581 }
 582
 583 /*
 584  *-------------------------------------------------------------------
 585  * loading
 586  *-------------------------------------------------------------------
 587  */
 588
 589 static void image_load_pixbuf_ready(ImageWindow *imd)
 590 {
 591         if (image_get_pixbuf(imd) || !imd->il) return;
 592
 593         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 594 }
 595
 596 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 597 {
 598         ImageWindow *imd = data;
 599         PixbufRenderer *pr;
 600
 601         pr = (PixbufRenderer *)imd->pr;
 602
 603         if (imd->delay_flip &&
 604             pr->pixbuf != image_loader_get_pixbuf(il))
 605                 {
 606                 return;
 607                 }
 608
 609         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 610
 611         pixbuf_renderer_area_changed(pr, x, y, w, h);
 612 }
 613
 614 static void image_load_done_cb(ImageLoader *il, gpointer data)
 615 {
 616         ImageWindow *imd = data;
 617
 618         DEBUG_1("%s image done", get_exec_time());
 619
 620         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 621                 {
 622                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 623                 image_cache_set(imd, imd->image_fd);
 624                 }
 625         /* call the callback triggered by image_state after fd->pixbuf is set */
 626         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 627         image_state_unset(imd, IMAGE_STATE_LOADING);
 628
 629         if (!image_loader_get_pixbuf(imd->il))
 630                 {
 631                 GdkPixbuf *pixbuf;
 632
 633                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 634                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 635                 g_object_unref(pixbuf);
 636
 637                 imd->unknown = TRUE;
 638                 }
 639         else if (imd->delay_flip &&
 640             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 641                 {
 642                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 643                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 644                 }
 645
 646         image_loader_free(imd->il);
 647         imd->il = NULL;
 648
 649 //      image_post_process(imd, TRUE);
 650
 651         image_read_ahead_start(imd);
 652 }
 653
 654 static void image_load_size_cb(ImageLoader *il, guint width, guint height, gpointer data)
 655 {
 656         ImageWindow *imd = data;
 657
 658         DEBUG_1("image_load_size_cb: %dx%d", width, height);
 659         pixbuf_renderer_set_size_early((PixbufRenderer *)imd->pr, width, height);
 660 }
 661
 662 static void image_load_error_cb(ImageLoader *il, gpointer data)
 663 {
 664         DEBUG_1("%s image error", get_exec_time());
 665
 666         /* even on error handle it like it was done,
 667          * since we have a pixbuf with _something_ */
 668
 669         image_load_done_cb(il, data);
 670 }
 671
 672 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 673 {
 674         g_assert(imd->il);
 675         if (override_old_signals)
 676                 {
 677                 /* override the old signals */
 678                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 679                 }
 680
 681         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 682         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 683         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 684         g_signal_connect(G_OBJECT(imd->il), "size_prepared", (GCallback)image_load_size_cb, imd);
 685 }
 686
 687 /* this read ahead is located here merely for the callbacks, above */
 688
 689 static gboolean image_read_ahead_check(ImageWindow *imd)
 690 {
 691         if (!imd->read_ahead_fd) return FALSE;
 692         if (imd->il) return FALSE;
 693
 694         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 695                 {
 696                 image_read_ahead_cancel(imd);
 697                 return FALSE;
 698                 }
 699
 700         if (imd->read_ahead_il)
 701                 {
 702                 imd->il = imd->read_ahead_il;
 703                 imd->read_ahead_il = NULL;
 704
 705                 image_load_set_signals(imd, TRUE);
 706
 707                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 708                 image_state_set(imd, IMAGE_STATE_LOADING);
 709
 710                 if (!imd->delay_flip)
 711                         {
 712                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 713                         }
 714
 715                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 716
 717                 file_data_unref(imd->read_ahead_fd);
 718                 imd->read_ahead_fd = NULL;
 719                 return TRUE;
 720                 }
 721         else if (imd->read_ahead_fd->pixbuf)
 722                 {
 723                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 724
 725                 file_data_unref(imd->read_ahead_fd);
 726                 imd->read_ahead_fd = NULL;
 727
 728 //              image_post_process(imd, FALSE);
 729                 return TRUE;
 730                 }
 731
 732         image_read_ahead_cancel(imd);
 733         return FALSE;
 734 }
 735
 736 static gboolean image_load_begin(ImageWindow *imd, FileData *fd)
 737 {
 738         DEBUG_1("%s image begin", get_exec_time());
 739
 740         if (imd->il) return FALSE;
 741
 742         imd->completed = FALSE;
 743         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 744
 745         if (image_cache_get(imd))
 746                 {
 747                 DEBUG_1("from cache: %s", imd->image_fd->path);
 748                 return TRUE;
 749                 }
 750
 751         if (image_read_ahead_check(imd))
 752                 {
 753                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 754                 return TRUE;
 755                 }
 756
 757         if (!imd->delay_flip && image_get_pixbuf(imd))
 758                 {
 759                 PixbufRenderer *pr;
 760
 761                 pr = PIXBUF_RENDERER(imd->pr);
 762                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 763                 pr->pixbuf = NULL;
 764                 }
 765
 766         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 767
 768         imd->il = image_loader_new(fd);
 769
 770         image_load_set_signals(imd, FALSE);
 771
 772         if (!image_loader_start(imd->il))
 773                 {
 774                 DEBUG_1("image start error");
 775
 776                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 777
 778                 image_loader_free(imd->il);
 779                 imd->il = NULL;
 780
 781                 image_complete_util(imd, FALSE);
 782
 783                 return FALSE;
 784                 }
 785
 786         image_state_set(imd, IMAGE_STATE_LOADING);
 787
 788 /*
 789         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 790                 {
 791                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 792                 }
 793 */
 794         return TRUE;
 795 }
 796
 797 static void image_reset(ImageWindow *imd)
 798 {
 799         /* stops anything currently being done */
 800
 801         DEBUG_1("%s image reset", get_exec_time());
 802
 803         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 804
 805         image_loader_free(imd->il);
 806         imd->il = NULL;
 807
 808         color_man_free((ColorMan *)imd->cm);
 809         imd->cm = NULL;
 810
 811         imd->delay_alter_type = ALTER_NONE;
 812
 813         image_state_set(imd, IMAGE_STATE_NONE);
 814 }
 815
 816 /*
 817  *-------------------------------------------------------------------
 818  * image changer
 819  *-------------------------------------------------------------------
 820  */
 821
 822 static void image_change_complete(ImageWindow *imd, gdouble zoom)
 823 {
 824         image_reset(imd);
 825         imd->unknown = TRUE;
 826
 827         if (!imd->image_fd)
 828                 {
 829                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 830                 }
 831         else
 832                 {
 833
 834                 if (is_readable_file(imd->image_fd->path))
 835                         {
 836                         PixbufRenderer *pr;
 837
 838                         pr = PIXBUF_RENDERER(imd->pr);
 839                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 840
 841                         if (image_load_begin(imd, imd->image_fd))
 842                                 {
 843                                 imd->unknown = FALSE;
 844                                 }
 845                         }
 846
 847                 if (imd->unknown == TRUE)
 848                         {
 849                         GdkPixbuf *pixbuf;
 850
 851                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 852                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 853                         g_object_unref(pixbuf);
 854                         }
 855                 }
 856
 857         image_update_util(imd);
 858 }
 859
 860 static void image_change_real(ImageWindow *imd, FileData *fd,
 861                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 862 {
 863
 864         imd->collection = cd;
 865         imd->collection_info = info;
 866
 867         if (imd->auto_refresh && imd->image_fd)
 868                 file_data_unregister_real_time_monitor(imd->image_fd);
 869
 870         file_data_unref(imd->image_fd);
 871         imd->image_fd = file_data_ref(fd);
 872
 873
 874         image_change_complete(imd, zoom);
 875
 876         image_update_title(imd);
 877         image_state_set(imd, IMAGE_STATE_IMAGE);
 878
 879         if (imd->auto_refresh && imd->image_fd)
 880                 file_data_register_real_time_monitor(imd->image_fd);
 881 }
 882
 883 /*
 884  *-------------------------------------------------------------------
 885  * focus stuff
 886  *-------------------------------------------------------------------
 887  */
 888
 889 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 890 {
 891         ImageWindow *imd = data;
 892
 893         if (imd->func_focus_in)
 894                 {
 895                 imd->func_focus_in(imd, imd->data_focus_in);
 896                 }
 897
 898         return TRUE;
 899 }
 900
 901 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 902 {
 903         ImageWindow *imd = data;
 904
 905         if (imd->func_scroll &&
 906             event && event->type == GDK_SCROLL)
 907                 {
 908                 imd->func_scroll(imd, event, imd->data_scroll);
 909                 return TRUE;
 910                 }
 911
 912         return FALSE;
 913 }
 914
 915 /*
 916  *-------------------------------------------------------------------
 917  * public interface
 918  *-------------------------------------------------------------------
 919  */
 920
 921 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 922                          const gchar *title, const gchar *title_right, gboolean show_zoom)
 923 {
 924         imd->top_window = window;
 925         g_free(imd->title);
 926         imd->title = g_strdup(title);
 927         g_free(imd->title_right);
 928         imd->title_right = g_strdup(title_right);
 929         imd->title_show_zoom = show_zoom;
 930
 931         if (!options->image.fit_window_to_image) window = NULL;
 932
 933         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 934
 935         image_update_title(imd);
 936 }
 937
 938 void image_set_update_func(ImageWindow *imd,
 939                            void (*func)(ImageWindow *imd, gpointer data),
 940                            gpointer data)
 941 {
 942         imd->func_update = func;
 943         imd->data_update = data;
 944 }
 945
 946 void image_set_complete_func(ImageWindow *imd,
 947                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
 948                              gpointer data)
 949 {
 950         imd->func_complete = func;
 951         imd->data_complete = data;
 952 }
 953
 954 void image_set_state_func(ImageWindow *imd,
 955                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
 956                         gpointer data)
 957 {
 958         imd->func_state = func;
 959         imd->data_state = data;
 960 }
 961
 962
 963 void image_set_button_func(ImageWindow *imd,
 964                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
 965                            gpointer data)
 966 {
 967         imd->func_button = func;
 968         imd->data_button = data;
 969 }
 970
 971 void image_set_drag_func(ImageWindow *imd,
 972                            void (*func)(ImageWindow *, GdkEventButton *event, gdouble dx, gdouble dy, gpointer),
 973                            gpointer data)
 974 {
 975         imd->func_drag = func;
 976         imd->data_drag = data;
 977 }
 978
 979 void image_set_scroll_func(ImageWindow *imd,
 980                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
 981                            gpointer data)
 982 {
 983         imd->func_scroll = func;
 984         imd->data_scroll = data;
 985 }
 986
 987 void image_set_scroll_notify_func(ImageWindow *imd,
 988                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
 989                                   gpointer data)
 990 {
 991         imd->func_scroll_notify = func;
 992         imd->data_scroll_notify = data;
 993 }
 994
 995 void image_set_focus_in_func(ImageWindow *imd,
 996                            void (*func)(ImageWindow *, gpointer),
 997                            gpointer data)
 998 {
 999         imd->func_focus_in = func;
1000         imd->data_focus_in = data;
1001 }
1002
1003 /* path, name */
1004
1005 const gchar *image_get_path(ImageWindow *imd)
1006 {
1007         if (imd->image_fd == NULL) return NULL;
1008         return imd->image_fd->path;
1009 }
1010
1011 const gchar *image_get_name(ImageWindow *imd)
1012 {
1013         if (imd->image_fd == NULL) return NULL;
1014         return imd->image_fd->name;
1015 }
1016
1017 FileData *image_get_fd(ImageWindow *imd)
1018 {
1019         return imd->image_fd;
1020 }
1021
1022 /* merely changes path string, does not change the image! */
1023 void image_set_fd(ImageWindow *imd, FileData *fd)
1024 {
1025         if (imd->auto_refresh && imd->image_fd)
1026                 file_data_unregister_real_time_monitor(imd->image_fd);
1027
1028         file_data_unref(imd->image_fd);
1029         imd->image_fd = file_data_ref(fd);
1030
1031         image_update_title(imd);
1032         image_state_set(imd, IMAGE_STATE_IMAGE);
1033
1034         if (imd->auto_refresh && imd->image_fd)
1035                 file_data_register_real_time_monitor(imd->image_fd);
1036 }
1037
1038 /* load a new image */
1039
1040 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1041 {
1042         if (imd->image_fd == fd) return;
1043
1044         image_change_real(imd, fd, NULL, NULL, zoom);
1045 }
1046
1047 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1048 {
1049         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1050 }
1051
1052 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1053 {
1054         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1055 }
1056
1057 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1058 {
1059         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1060         /* read_exif and similar functions can actually notice that the file has changed and trigger
1061            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1062            here before it is taken over by the renderer. */
1063         if (pixbuf) g_object_ref(pixbuf);
1064
1065         if (imd->image_fd)
1066                 {
1067                 if (imd->image_fd->user_orientation)
1068                         {
1069                         imd->orientation = imd->image_fd->user_orientation;
1070                         }
1071                 else if (options->image.exif_rotate_enable)
1072                         {
1073                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1074                         imd->image_fd->exif_orientation = imd->orientation;
1075                         }
1076                 }
1077
1078         if (pixbuf)
1079                 {
1080                 stereo_data = imd->user_stereo;
1081                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1082                         {
1083                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1084                         }
1085                 }
1086
1087         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1088         if (imd->cm)
1089                 {
1090                 color_man_free(imd->cm);
1091                 imd->cm = NULL;
1092                 }
1093
1094         if (lazy)
1095                 {
1096                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1097                 }
1098         else
1099                 {
1100                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1101                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1102                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1103                 }
1104
1105         if (pixbuf) g_object_unref(pixbuf);
1106
1107         if (imd->color_profile_enable)
1108                 {
1109                 image_post_process_color(imd, 0, FALSE); /* TODO: error handling */
1110                 }
1111
1112         if (imd->cm || imd->desaturate)
1113                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1114
1115         image_state_set(imd, IMAGE_STATE_IMAGE);
1116 }
1117
1118 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1119 {
1120         if (!cd || !info || !g_list_find(cd->list, info)) return;
1121
1122         image_change_real(imd, info->fd, cd, info, zoom);
1123 }
1124
1125 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1126 {
1127         if (collection_to_number(imd->collection) >= 0)
1128                 {
1129                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1130                         {
1131                         if (info) *info = imd->collection_info;
1132                         }
1133                 else
1134                         {
1135                         if (info) *info = NULL;
1136                         }
1137                 return imd->collection;
1138                 }
1139
1140         if (info) *info = NULL;
1141         return NULL;
1142 }
1143
1144 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1145 {
1146         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1147                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1148
1149         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1150                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1151 }
1152
1153 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1154 {
1155         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1156                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1157
1158         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1159                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1160
1161         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1162                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1163 }
1164
1165 /* this is more like a move function
1166  * it moves most data from source to imd
1167  */
1168 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1169 {
1170         if (imd == source) return;
1171
1172         imd->unknown = source->unknown;
1173
1174         imd->collection = source->collection;
1175         imd->collection_info = source->collection_info;
1176
1177         image_loader_free(imd->il);
1178         imd->il = NULL;
1179
1180         image_set_fd(imd, image_get_fd(source));
1181
1182
1183         if (source->il)
1184                 {
1185                 imd->il = source->il;
1186                 source->il = NULL;
1187
1188                 image_loader_sync_data(imd->il, source, imd);
1189
1190                 imd->delay_alter_type = source->delay_alter_type;
1191                 source->delay_alter_type = ALTER_NONE;
1192                 }
1193
1194         imd->color_profile_enable = source->color_profile_enable;
1195         imd->color_profile_input = source->color_profile_input;
1196         imd->color_profile_use_image = source->color_profile_use_image;
1197         color_man_free((ColorMan *)imd->cm);
1198         imd->cm = NULL;
1199
1200         file_data_unref(imd->read_ahead_fd);
1201         source->read_ahead_fd = NULL;
1202
1203         imd->orientation = source->orientation;
1204         imd->desaturate = source->desaturate;
1205
1206         imd->user_stereo = source->user_stereo;
1207
1208         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1209
1210         if (imd->cm || imd->desaturate)
1211                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1212         else
1213                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1214
1215 }
1216
1217 /* this is  a copy function
1218  * source stays unchanged
1219  */
1220 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1221 {
1222         if (imd == source) return;
1223
1224         imd->unknown = source->unknown;
1225
1226         imd->collection = source->collection;
1227         imd->collection_info = source->collection_info;
1228
1229         image_loader_free(imd->il);
1230         imd->il = NULL;
1231
1232         image_set_fd(imd, image_get_fd(source));
1233
1234
1235         imd->color_profile_enable = source->color_profile_enable;
1236         imd->color_profile_input = source->color_profile_input;
1237         imd->color_profile_use_image = source->color_profile_use_image;
1238         color_man_free((ColorMan *)imd->cm);
1239         imd->cm = NULL;
1240         if (source->cm)
1241                 {
1242                 ColorMan *cm;
1243
1244                 imd->cm = source->cm;
1245                 source->cm = NULL;
1246
1247                 cm = (ColorMan *)imd->cm;
1248                 cm->imd = imd;
1249                 cm->func_done_data = imd;
1250                 }
1251
1252         image_loader_free(imd->read_ahead_il);
1253         imd->read_ahead_il = source->read_ahead_il;
1254         source->read_ahead_il = NULL;
1255         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1256
1257         file_data_unref(imd->read_ahead_fd);
1258         imd->read_ahead_fd = source->read_ahead_fd;
1259         source->read_ahead_fd = NULL;
1260
1261         imd->completed = source->completed;
1262         imd->state = source->state;
1263         source->state = IMAGE_STATE_NONE;
1264
1265         imd->orientation = source->orientation;
1266         imd->desaturate = source->desaturate;
1267
1268         imd->user_stereo = source->user_stereo;
1269
1270         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1271
1272         if (imd->cm || imd->desaturate)
1273                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1274         else
1275                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1276
1277 }
1278
1279
1280 /* manipulation */
1281
1282 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1283 {
1284         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1285 }
1286
1287 void image_reload(ImageWindow *imd)
1288 {
1289         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1290
1291         image_change_complete(imd, image_zoom_get(imd));
1292 }
1293
1294 void image_scroll(ImageWindow *imd, gint x, gint y)
1295 {
1296         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1297 }
1298
1299 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1300                            gdouble x_align, gdouble y_align)
1301 {
1302         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1303 }
1304
1305 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1306 {
1307         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1308 }
1309
1310 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1311 {
1312         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1313 }
1314
1315 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1316 {
1317         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1318 }
1319
1320 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1321 {
1322         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1323 }
1324
1325 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1326 {
1327         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1328 }
1329
1330 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1331 {
1332         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1333 }
1334
1335 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1336 {
1337         PixbufRenderer *pr;
1338         gdouble zoom;
1339         gint width, height;
1340
1341         pr = (PixbufRenderer *)imd->pr;
1342
1343         if (!pixbuf_renderer_get_pixbuf(pr) ||
1344             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1345
1346         if (vertical)
1347                 {
1348                 zoom = (gdouble)pr->viewport_height / height;
1349                 }
1350         else
1351                 {
1352                 zoom = (gdouble)pr->viewport_width / width;
1353                 }
1354
1355         if (zoom < 1.0)
1356                 {
1357                 zoom = 0.0 - 1.0 / zoom;
1358                 }
1359
1360         pixbuf_renderer_zoom_set(pr, zoom);
1361 }
1362
1363 gdouble image_zoom_get(ImageWindow *imd)
1364 {
1365         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1366 }
1367
1368 gdouble image_zoom_get_real(ImageWindow *imd)
1369 {
1370         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1371 }
1372
1373 gchar *image_zoom_get_as_text(ImageWindow *imd)
1374 {
1375         gdouble zoom;
1376         gdouble scale;
1377         gdouble l = 1.0;
1378         gdouble r = 1.0;
1379         gint pl = 0;
1380         gint pr = 0;
1381         gchar *approx = " ";
1382
1383         zoom = image_zoom_get(imd);
1384         scale = image_zoom_get_real(imd);
1385
1386         if (zoom > 0.0)
1387                 {
1388                 l = zoom;
1389                 }
1390         else if (zoom < 0.0)
1391                 {
1392                 r = 0.0 - zoom;
1393                 }
1394         else if (zoom == 0.0 && scale != 0.0)
1395                 {
1396                 if (scale >= 1.0)
1397                         {
1398                         l = scale;
1399                         }
1400                 else
1401                         {
1402                         r = 1.0 / scale;
1403                         }
1404                 approx = "~";
1405                 }
1406
1407         if (rint(l) != l) pl = 1;
1408         if (rint(r) != r) pr = 1;
1409
1410         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1411 }
1412
1413 gdouble image_zoom_get_default(ImageWindow *imd)
1414 {
1415         gdouble zoom = 1.0;
1416
1417         switch (options->image.zoom_mode)
1418         {
1419         case ZOOM_RESET_ORIGINAL:
1420                 break;
1421         case ZOOM_RESET_FIT_WINDOW:
1422                 zoom = 0.0;
1423                 break;
1424         case ZOOM_RESET_NONE:
1425                 if (imd) zoom = image_zoom_get(imd);
1426                 break;
1427         }
1428
1429         return zoom;
1430 }
1431
1432 /* stereo */
1433 gint image_stereo_get(ImageWindow *imd)
1434 {
1435         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1436 }
1437
1438 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1439 {
1440         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1441         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1442 }
1443
1444 void image_stereo_swap(ImageWindow *imd)
1445 {
1446         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1447         stereo_mode ^= PR_STEREO_SWAP;
1448         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1449 }
1450
1451 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1452 {
1453         return imd->user_stereo;
1454 }
1455
1456 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1457 {
1458         imd->user_stereo = stereo_mode;
1459         image_reload(imd);
1460 }
1461
1462 /* read ahead */
1463
1464 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1465 {
1466         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1467
1468         if (fd)
1469                 {
1470                 if (!file_cache_get(image_get_cache(), fd))
1471                         {
1472                         image_read_ahead_set(imd, fd);
1473                         }
1474                 }
1475         else
1476                 {
1477                 image_read_ahead_cancel(imd);
1478                 }
1479 }
1480
1481 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1482 {
1483         ImageWindow *imd = data;
1484
1485         if (!imd || !image_get_pixbuf(imd) ||
1486             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1487             !imd->image_fd || /* nothing to reload */
1488             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1489             ) return;
1490
1491         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1492                 {
1493                 /* there is no need to reload on NOTIFY_CHANGE,
1494                    modified files should be detacted anyway and NOTIFY_REREAD should be recieved
1495                    or they are removed from the filelist completely on "move" and "delete"
1496                 */
1497                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1498                 image_reload(imd);
1499                 }
1500 }
1501
1502 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1503 {
1504         if (!enable && imd->auto_refresh && imd->image_fd)
1505                 file_data_unregister_real_time_monitor(imd->image_fd);
1506
1507         if (enable && !imd->auto_refresh && imd->image_fd)
1508                 file_data_register_real_time_monitor(imd->image_fd);
1509
1510         imd->auto_refresh = enable;
1511 }
1512
1513 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1514 {
1515         imd->top_window_sync = allow_sync;
1516
1517         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1518 }
1519
1520 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1521 {
1522         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1523 }
1524
1525 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1526 {
1527         GdkColor *color = NULL;
1528
1529         if ((options->image.use_custom_border_color && !fullscreen) ||
1530             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1531                 {
1532                 color = &options->image.border_color;
1533                 }
1534
1535         image_background_set_color(imd, color);
1536 }
1537
1538 void image_color_profile_set(ImageWindow *imd,
1539                              gint input_type,
1540                              gboolean use_image)
1541 {
1542         if (!imd) return;
1543
1544         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1545                 {
1546                 return;
1547                 }
1548
1549         imd->color_profile_input = input_type;
1550         imd->color_profile_use_image = use_image;
1551 }
1552
1553 gboolean image_color_profile_get(ImageWindow *imd,
1554                                  gint *input_type,
1555                                  gboolean *use_image)
1556 {
1557         if (!imd) return FALSE;
1558
1559         if (input_type) *input_type = imd->color_profile_input;
1560         if (use_image) *use_image = imd->color_profile_use_image;
1561
1562         return TRUE;
1563 }
1564
1565 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1566 {
1567         if (!imd) return;
1568
1569         if (imd->color_profile_enable == enable) return;
1570
1571         imd->color_profile_enable = enable;
1572 }
1573
1574 gboolean image_color_profile_get_use(ImageWindow *imd)
1575 {
1576         if (!imd) return FALSE;
1577
1578         return imd->color_profile_enable;
1579 }
1580
1581 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1582 {
1583         ColorMan *cm;
1584         if (!imd) return FALSE;
1585
1586         cm = imd->cm;
1587         if (!cm) return FALSE;
1588         return color_man_get_status(cm, image_profile, screen_profile);
1589
1590 }
1591
1592 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1593 {
1594         if (!imd ||
1595             imd->delay_flip == delay) return;
1596
1597         imd->delay_flip = delay;
1598
1599         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1600
1601         if (!imd->delay_flip && imd->il)
1602                 {
1603                 PixbufRenderer *pr;
1604
1605                 pr = PIXBUF_RENDERER(imd->pr);
1606                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1607                 pr->pixbuf = NULL;
1608
1609                 image_load_pixbuf_ready(imd);
1610                 }
1611 }
1612
1613 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1614 {
1615 #if !GTK_CHECK_VERSION(3,0,0)
1616         GdkScreen *screen;
1617         GdkWindow *rootwindow;
1618         GdkPixmap *pixmap;
1619         GdkPixbuf *pixbuf;
1620         GdkPixbuf *pb;
1621         gint width, height;
1622
1623         if (!imd) return;
1624
1625         pixbuf = image_get_pixbuf(imd);
1626         if (!pixbuf) return;
1627
1628         screen = gtk_widget_get_screen(imd->widget);
1629         rootwindow = gdk_screen_get_root_window(screen);
1630         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1631
1632         if (scaled)
1633                 {
1634                 width = gdk_screen_width();
1635                 height = gdk_screen_height();
1636                 }
1637         else
1638                 {
1639                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1640                 }
1641
1642         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1643
1644         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1645         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1646         gdk_window_clear(rootwindow);
1647         g_object_unref(pb);
1648         g_object_unref(pixmap);
1649
1650         gdk_flush();
1651 #endif
1652 }
1653
1654 void image_select(ImageWindow *imd, gboolean select)
1655 {
1656         if (!imd->has_frame) return;
1657
1658         if (select)
1659                 {
1660                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1661                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1662                 }
1663         else
1664                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1665 }
1666
1667 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1668 {
1669         if (!imd->has_frame) return;
1670
1671         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1672         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1673 }
1674
1675 void image_grab_focus(ImageWindow *imd)
1676 {
1677         if (imd->has_frame)
1678                 {
1679                 gtk_widget_grab_focus(imd->frame);
1680                 }
1681         else
1682                 {
1683                 gtk_widget_grab_focus(imd->widget);
1684                 }
1685 }
1686
1687
1688 /*
1689  *-------------------------------------------------------------------
1690  * prefs sync
1691  *-------------------------------------------------------------------
1692  */
1693
1694 static void image_options_set(ImageWindow *imd)
1695 {
1696         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1697                                         "zoom_2pass", options->image.zoom_2pass,
1698                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1699                                         "scroll_reset", options->image.scroll_reset_method,
1700                                         "cache_display", options->image.tile_cache_max,
1701                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1702                                         "window_limit", options->image.limit_window_size,
1703                                         "window_limit_value", options->image.max_window_size,
1704                                         "autofit_limit", options->image.limit_autofit_size,
1705                                         "autofit_limit_value", options->image.max_autofit_size,
1706
1707                                         NULL);
1708
1709         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1710
1711         image_stereo_set(imd, options->stereo.mode);
1712         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
1713                                         options->stereo.fixed_w, options->stereo.fixed_h,
1714                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
1715                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
1716 }
1717
1718 void image_options_sync(void)
1719 {
1720         GList *work;
1721
1722         work = image_list;
1723         while (work)
1724                 {
1725                 ImageWindow *imd;
1726
1727                 imd = work->data;
1728                 work = work->next;
1729
1730                 image_options_set(imd);
1731                 }
1732 }
1733
1734 /*
1735  *-------------------------------------------------------------------
1736  * init / destroy
1737  *-------------------------------------------------------------------
1738  */
1739
1740 static void image_free(ImageWindow *imd)
1741 {
1742         image_list = g_list_remove(image_list, imd);
1743
1744         if (imd->auto_refresh && imd->image_fd)
1745                 file_data_unregister_real_time_monitor(imd->image_fd);
1746
1747         file_data_unregister_notify_func(image_notify_cb, imd);
1748
1749         image_reset(imd);
1750
1751         image_read_ahead_cancel(imd);
1752
1753         file_data_unref(imd->image_fd);
1754         g_free(imd->title);
1755         g_free(imd->title_right);
1756         g_free(imd);
1757 }
1758
1759 static void image_destroy_cb(GtkWidget *widget, gpointer data)
1760 {
1761         ImageWindow *imd = data;
1762         image_free(imd);
1763 }
1764 #if GTK_CHECK_VERSION(3,0,0)
1765 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
1766 {
1767         GtkAllocation allocation;
1768         gtk_widget_get_allocation(widget, &allocation);
1769         gtk_paint_flat_box(gtk_widget_get_style(widget),
1770                            cr,
1771                            gtk_widget_get_state(widget),
1772                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
1773                            widget,
1774                            NULL,
1775                            allocation.x + 3, allocation.y + 3,
1776                            allocation.width - 6, allocation.height - 6);
1777
1778         if (gtk_widget_has_focus(widget))
1779                 {
1780                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
1781                                 widget, "image_window",
1782                                 allocation.x, allocation.y,
1783                                 allocation.width - 1, allocation.height - 1);
1784                 }
1785         else
1786                 {
1787                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
1788                                  widget, "image_window",
1789                                  allocation.x, allocation.y,
1790                                  allocation.width - 1, allocation.height - 1);
1791                 }
1792         return FALSE;
1793 }
1794
1795 #else
1796 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1797 {
1798         GtkAllocation allocation;
1799         gtk_widget_get_allocation(widget, &allocation);
1800         gtk_paint_flat_box(gtk_widget_get_style(widget),
1801                            gtk_widget_get_window(widget),
1802                            gtk_widget_get_state(widget),
1803                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
1804                            NULL,
1805                            widget,
1806                            NULL,
1807                            allocation.x + 3, allocation.y + 3,
1808                            allocation.width - 6, allocation.height - 6);
1809
1810         if (gtk_widget_has_focus(widget))
1811                 {
1812                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
1813                                 &event->area, widget, "image_window",
1814                                 allocation.x, allocation.y,
1815                                 allocation.width - 1, allocation.height - 1);
1816                 }
1817         else
1818                 {
1819                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
1820                                  &event->area, widget, "image_window",
1821                                  allocation.x, allocation.y,
1822                                  allocation.width - 1, allocation.height - 1);
1823                 }
1824         return FALSE;
1825 }
1826 #endif
1827
1828
1829 void image_set_frame(ImageWindow *imd, gboolean frame)
1830 {
1831         frame = !!frame;
1832
1833         if (frame == imd->has_frame) return;
1834
1835         gtk_widget_hide(imd->pr);
1836
1837         if (frame)
1838                 {
1839                 imd->frame = gtk_frame_new(NULL);
1840                 g_object_ref(imd->pr);
1841                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1842                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1843
1844                 g_object_unref(imd->pr);
1845                 gtk_widget_set_can_focus(imd->frame, TRUE);
1846                 gtk_widget_set_app_paintable(imd->frame, TRUE);
1847
1848 #if GTK_CHECK_VERSION(3,0,0)
1849                 g_signal_connect(G_OBJECT(imd->frame), "draw",
1850                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
1851 #else
1852                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1853                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1854 #endif
1855                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1856                                  G_CALLBACK(image_focus_in_cb), imd);
1857
1858                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1859                 gtk_widget_show(imd->frame);
1860                 }
1861         else
1862                 {
1863                 g_object_ref(imd->pr);
1864                 if (imd->frame)
1865                         {
1866                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1867                         gtk_widget_destroy(imd->frame);
1868                         imd->frame = NULL;
1869                         }
1870                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1871
1872                 g_object_unref(imd->pr);
1873                 }
1874
1875         gtk_widget_show(imd->pr);
1876
1877         imd->has_frame = frame;
1878 }
1879
1880 ImageWindow *image_new(gboolean frame)
1881 {
1882         ImageWindow *imd;
1883
1884         imd = g_new0(ImageWindow, 1);
1885
1886         imd->unknown = TRUE;
1887         imd->has_frame = -1; /* not initialized; for image_set_frame */
1888         imd->delay_alter_type = ALTER_NONE;
1889         imd->state = IMAGE_STATE_NONE;
1890         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1891         imd->orientation = 1;
1892
1893         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1894
1895         image_options_set(imd);
1896
1897         imd->widget = gtk_vbox_new(0, 0);
1898
1899         image_set_frame(imd, frame);
1900
1901         image_set_selectable(imd, 0);
1902
1903         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1904                          G_CALLBACK(image_click_cb), imd);
1905         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1906                          G_CALLBACK(image_scroll_notify_cb), imd);
1907
1908         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1909                          G_CALLBACK(image_scroll_cb), imd);
1910
1911         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1912                          G_CALLBACK(image_destroy_cb), imd);
1913
1914         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1915                          G_CALLBACK(image_zoom_cb), imd);
1916         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1917                          G_CALLBACK(image_render_complete_cb), imd);
1918         g_signal_connect(G_OBJECT(imd->pr), "drag",
1919                          G_CALLBACK(image_drag_cb), imd);
1920
1921         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
1922
1923         image_list = g_list_append(image_list, imd);
1924
1925         return imd;
1926 }
1927 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */