src/image.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2009 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 static void image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
  95 {
  96         ImageWindow *imd = data;
  97
  98         if (imd->title_show_zoom) image_update_title(imd);
  99         if (imd->overlay_show_zoom) image_osd_update(imd);
 100
 101         image_update_util(imd);
 102 }
 103
 104 static void image_complete_util(ImageWindow *imd, gint preload)
 105 {
 106         if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
 107
 108         DEBUG_1("%s image load completed \"%s\" (%s)", get_exec_time(),
 109                           (preload) ? (imd->read_ahead_fd ? imd->read_ahead_fd->path : "null") :
 110                                       (imd->image_fd ? imd->image_fd->path : "null"),
 111                           (preload) ? "preload" : "current");
 112
 113         if (!preload) imd->completed = TRUE;
 114         if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
 115 }
 116
 117 static void image_render_complete_cb(PixbufRenderer *pr, gpointer data)
 118 {
 119         ImageWindow *imd = data;
 120
 121         image_complete_util(imd, FALSE);
 122 }
 123
 124 static void image_state_set(ImageWindow *imd, ImageState state)
 125 {
 126         if (state == IMAGE_STATE_NONE)
 127                 {
 128                 imd->state = state;
 129                 }
 130         else
 131                 {
 132                 imd->state |= state;
 133                 }
 134         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 135 }
 136
 137 static void image_state_unset(ImageWindow *imd, ImageState state)
 138 {
 139         imd->state &= ~state;
 140         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 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
 192 static gint image_post_process_color(ImageWindow *imd, gint start_row, gint run_in_bg)
 193 {
 194         ColorMan *cm;
 195         ColorManProfileType input_type;
 196         ColorManProfileType screen_type;
 197         const gchar *input_file;
 198         const gchar *screen_file;
 199         guchar *profile = NULL;
 200         guint profile_len;
 201         ExifData *exif;
 202
 203         if (imd->cm) return FALSE;
 204
 205         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 206             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 207                 {
 208                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 209
 210                 if (!is_readable_file(file)) return FALSE;
 211
 212                 input_type = COLOR_PROFILE_FILE;
 213                 input_file = file;
 214                 }
 215         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 216                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 217                 {
 218                 input_type = imd->color_profile_input;
 219                 input_file = NULL;
 220                 }
 221         else
 222                 {
 223                 return FALSE;
 224                 }
 225
 226         if (imd->color_profile_screen == 1 &&
 227             is_readable_file(options->color_profile.screen_file))
 228                 {
 229                 screen_type = COLOR_PROFILE_FILE;
 230                 screen_file = options->color_profile.screen_file;
 231                 }
 232         else if (imd->color_profile_screen == 0)
 233                 {
 234                 screen_type = COLOR_PROFILE_SRGB;
 235                 screen_file = NULL;
 236                 }
 237         else
 238                 {
 239                 return FALSE;
 240                 }
 241
 242
 243         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 244
 245         exif = exif_read_fd(imd->image_fd);
 246
 247         if (exif)
 248                 {
 249                 gint cs;
 250                 gchar *interop_index;
 251
 252                 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 253                 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 254                 interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 255
 256                 if (cs == 1)
 257                         {
 258                         if (imd->color_profile_use_image)
 259                                 {
 260                                 input_type = COLOR_PROFILE_SRGB;
 261                                 input_file = NULL;
 262                                 }
 263                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 264
 265                         DEBUG_1("Found EXIF ColorSpace of sRGB");
 266                         }
 267                 if (cs == 2 || (interop_index && !strcmp(interop_index, "R03")))
 268                         {
 269                         if (imd->color_profile_use_image)
 270                                 {
 271                                 input_type = COLOR_PROFILE_ADOBERGB;
 272                                 input_file = NULL;
 273                                 }
 274                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 275
 276                         DEBUG_1("Found EXIF ColorSpace of AdobeRGB");
 277                         }
 278
 279                 g_free(interop_index);
 280
 281                 profile = exif_get_color_profile(exif, &profile_len);
 282                 if (profile)
 283                         {
 284                         if (!imd->color_profile_use_image)
 285                                 {
 286                                 g_free(profile);
 287                                 profile = NULL;
 288                                 }
 289                         DEBUG_1("Found embedded color profile");
 290                         imd->color_profile_from_image = COLOR_PROFILE_MEM;
 291                         }
 292
 293                 exif_free_fd(imd->image_fd, exif);
 294                 }
 295
 296
 297         if (profile)
 298                 {
 299                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 300                                             profile, profile_len,
 301                                             screen_type, screen_file);
 302                 g_free(profile);
 303                 }
 304         else
 305                 {
 306                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 307                                    input_type, input_file,
 308                                    screen_type, screen_file);
 309                 }
 310
 311         if (cm)
 312                 {
 313                 if (start_row > 0)
 314                         {
 315                         cm->row = start_row;
 316                         cm->incremental_sync = TRUE;
 317                         }
 318
 319                 imd->cm = (gpointer)cm;
 320 #if 0
 321                 if (run_in_bg) color_man_start_bg(imd->cm, image_post_process_color_cb, imd);
 322 #endif
 323                 return TRUE;
 324                 }
 325
 326         return FALSE;
 327 }
 328
 329
 330 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 331 {
 332         ImageWindow *imd = (ImageWindow *)data;
 333         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 334         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 335
 336 }
 337
 338 void image_alter(ImageWindow *imd, AlterType type)
 339 {
 340         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 341         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 342         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 343         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 344         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 345
 346
 347         if (!imd || !imd->pr || !imd->image_fd) return;
 348
 349         if (imd->orientation < 1 || imd->orientation > 8) imd->orientation = 1;
 350
 351         switch (type)
 352                 {
 353                 case ALTER_ROTATE_90:
 354                         imd->orientation = rotate_90[imd->orientation];
 355                         break;
 356                 case ALTER_ROTATE_90_CC:
 357                         imd->orientation = rotate_90_cc[imd->orientation];
 358                         break;
 359                 case ALTER_ROTATE_180:
 360                         imd->orientation = rotate_180[imd->orientation];
 361                         break;
 362                 case ALTER_MIRROR:
 363                         imd->orientation = mirror[imd->orientation];
 364                         break;
 365                 case ALTER_FLIP:
 366                         imd->orientation = flip[imd->orientation];
 367                         break;
 368                 case ALTER_DESATURATE:
 369                         imd->desaturate = !imd->desaturate;
 370                         break;
 371                 case ALTER_NONE:
 372                         imd->orientation = imd->image_fd->exif_orientation ? imd->image_fd->exif_orientation : 1;
 373                         imd->desaturate = FALSE;
 374                         break;
 375                 default:
 376                         return;
 377                         break;
 378                 }
 379
 380         if (type != ALTER_NONE && type != ALTER_DESATURATE)
 381                 {
 382                 if (imd->image_fd->user_orientation == 0) file_data_ref(imd->image_fd);
 383                 imd->image_fd->user_orientation = imd->orientation;
 384                 }
 385         else
 386                 {
 387                 if (imd->image_fd->user_orientation != 0) file_data_unref(imd->image_fd);
 388                 imd->image_fd->user_orientation = 0;
 389                 }
 390
 391         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 392         if (imd->cm || imd->desaturate)
 393                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 394         else
 395                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 396 }
 397
 398
 399 /*
 400  *-------------------------------------------------------------------
 401  * read ahead (prebuffer)
 402  *-------------------------------------------------------------------
 403  */
 404
 405 static void image_read_ahead_cancel(ImageWindow *imd)
 406 {
 407         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 408
 409         image_loader_free(imd->read_ahead_il);
 410         imd->read_ahead_il = NULL;
 411
 412         file_data_unref(imd->read_ahead_fd);
 413         imd->read_ahead_fd = NULL;
 414 }
 415
 416 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 417 {
 418         ImageWindow *imd = data;
 419
 420         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 421
 422         if (!imd->read_ahead_fd->pixbuf)
 423                 {
 424                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 425                 if (imd->read_ahead_fd->pixbuf)
 426                         {
 427                         g_object_ref(imd->read_ahead_fd->pixbuf);
 428                         image_cache_set(imd, imd->read_ahead_fd);
 429                         }
 430                 }
 431         image_loader_free(imd->read_ahead_il);
 432         imd->read_ahead_il = NULL;
 433
 434         image_complete_util(imd, TRUE);
 435 }
 436
 437 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 438 {
 439         /* we even treat errors as success, maybe at least some of the file was ok */
 440         image_read_ahead_done_cb(il, data);
 441 }
 442
 443 static void image_read_ahead_start(ImageWindow *imd)
 444 {
 445         /* already started ? */
 446         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 447
 448         /* still loading ?, do later */
 449         if (imd->il /*|| imd->cm*/) return;
 450
 451         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 452
 453         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 454
 455         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 456
 457         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 458         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 459
 460         if (!image_loader_start(imd->read_ahead_il))
 461                 {
 462                 image_read_ahead_cancel(imd);
 463                 image_complete_util(imd, TRUE);
 464                 }
 465 }
 466
 467 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 468 {
 469         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 470
 471         image_read_ahead_cancel(imd);
 472
 473         imd->read_ahead_fd = file_data_ref(fd);
 474
 475         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 476
 477         image_read_ahead_start(imd);
 478 }
 479
 480 /*
 481  *-------------------------------------------------------------------
 482  * post buffering
 483  *-------------------------------------------------------------------
 484  */
 485
 486 static void image_cache_release_cb(FileData *fd)
 487 {
 488         g_object_unref(fd->pixbuf);
 489         fd->pixbuf = NULL;
 490 }
 491
 492 static FileCacheData *image_get_cache(void)
 493 {
 494         static FileCacheData *cache = NULL;
 495         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 496         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 497         return cache;
 498 }
 499
 500 static void image_cache_set(ImageWindow *imd, FileData *fd)
 501 {
 502         g_assert(fd->pixbuf);
 503
 504         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 505         file_data_send_notification(fd, NOTIFY_TYPE_INTERNAL); /* to update histogram */
 506 }
 507
 508 static gint image_cache_get(ImageWindow *imd)
 509 {
 510         gint success;
 511
 512         success = file_cache_get(image_get_cache(), imd->image_fd);
 513         if (success)
 514                 {
 515                 g_assert(imd->image_fd->pixbuf);
 516                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 517                 }
 518
 519         file_cache_dump(image_get_cache());
 520         return success;
 521 }
 522
 523 /*
 524  *-------------------------------------------------------------------
 525  * loading
 526  *-------------------------------------------------------------------
 527  */
 528
 529 static void image_load_pixbuf_ready(ImageWindow *imd)
 530 {
 531         if (image_get_pixbuf(imd) || !imd->il) return;
 532
 533         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 534 }
 535
 536 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 537 {
 538         ImageWindow *imd = data;
 539         PixbufRenderer *pr;
 540
 541         pr = (PixbufRenderer *)imd->pr;
 542
 543         if (imd->delay_flip &&
 544             pr->pixbuf != image_loader_get_pixbuf(il))
 545                 {
 546                 return;
 547                 }
 548
 549         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 550
 551         pixbuf_renderer_area_changed(pr, x, y, w, h);
 552 }
 553
 554 static void image_load_done_cb(ImageLoader *il, gpointer data)
 555 {
 556         ImageWindow *imd = data;
 557
 558         DEBUG_1("%s image done", get_exec_time());
 559
 560         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 561                 {
 562                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 563                 image_cache_set(imd, imd->image_fd);
 564                 }
 565         /* call the callback triggered by image_state after fd->pixbuf is set */
 566         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 567         image_state_unset(imd, IMAGE_STATE_LOADING);
 568
 569         if (!image_loader_get_pixbuf(imd->il))
 570                 {
 571                 GdkPixbuf *pixbuf;
 572
 573                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 574                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 575                 g_object_unref(pixbuf);
 576
 577                 imd->unknown = TRUE;
 578                 }
 579         else if (imd->delay_flip &&
 580             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 581                 {
 582                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 583                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 584                 }
 585
 586         image_loader_free(imd->il);
 587         imd->il = NULL;
 588
 589 //      image_post_process(imd, TRUE);
 590
 591         image_read_ahead_start(imd);
 592 }
 593
 594 static void image_load_error_cb(ImageLoader *il, gpointer data)
 595 {
 596         DEBUG_1("%s image error", get_exec_time());
 597
 598         /* even on error handle it like it was done,
 599          * since we have a pixbuf with _something_ */
 600
 601         image_load_done_cb(il, data);
 602 }
 603
 604 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 605 {
 606         g_assert(imd->il);
 607         if (override_old_signals)
 608                 {
 609                 /* override the old signals */
 610                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 611                 }
 612
 613         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 614         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 615         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 616 }
 617
 618 /* this read ahead is located here merely for the callbacks, above */
 619
 620 static gint image_read_ahead_check(ImageWindow *imd)
 621 {
 622         if (!imd->read_ahead_fd) return FALSE;
 623         if (imd->il) return FALSE;
 624
 625         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 626                 {
 627                 image_read_ahead_cancel(imd);
 628                 return FALSE;
 629                 }
 630
 631         if (imd->read_ahead_il)
 632                 {
 633                 imd->il = imd->read_ahead_il;
 634                 imd->read_ahead_il = NULL;
 635
 636                 image_load_set_signals(imd, TRUE);
 637
 638                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 639                 image_state_set(imd, IMAGE_STATE_LOADING);
 640
 641                 if (!imd->delay_flip)
 642                         {
 643                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 644                         }
 645
 646                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 647
 648                 file_data_unref(imd->read_ahead_fd);
 649                 imd->read_ahead_fd = NULL;
 650                 return TRUE;
 651                 }
 652         else if (imd->read_ahead_fd->pixbuf)
 653                 {
 654                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 655
 656                 file_data_unref(imd->read_ahead_fd);
 657                 imd->read_ahead_fd = NULL;
 658
 659 //              image_post_process(imd, FALSE);
 660                 return TRUE;
 661                 }
 662
 663         image_read_ahead_cancel(imd);
 664         return FALSE;
 665 }
 666
 667 static gint image_load_begin(ImageWindow *imd, FileData *fd)
 668 {
 669         DEBUG_1("%s image begin", get_exec_time());
 670
 671         if (imd->il) return FALSE;
 672
 673         imd->completed = FALSE;
 674         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 675
 676         if (image_cache_get(imd))
 677                 {
 678                 DEBUG_1("from cache: %s", imd->image_fd->path);
 679                 return TRUE;
 680                 }
 681
 682         if (image_read_ahead_check(imd))
 683                 {
 684                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 685                 return TRUE;
 686                 }
 687
 688         if (!imd->delay_flip && image_get_pixbuf(imd))
 689                 {
 690                 PixbufRenderer *pr;
 691
 692                 pr = PIXBUF_RENDERER(imd->pr);
 693                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 694                 pr->pixbuf = NULL;
 695                 }
 696
 697         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 698
 699         imd->il = image_loader_new(fd);
 700
 701         image_load_set_signals(imd, FALSE);
 702
 703         if (!image_loader_start(imd->il))
 704                 {
 705                 DEBUG_1("image start error");
 706
 707                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 708
 709                 image_loader_free(imd->il);
 710                 imd->il = NULL;
 711
 712                 image_complete_util(imd, FALSE);
 713
 714                 return FALSE;
 715                 }
 716
 717         image_state_set(imd, IMAGE_STATE_LOADING);
 718
 719 /*
 720         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 721                 {
 722                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 723                 }
 724 */
 725         return TRUE;
 726 }
 727
 728 static void image_reset(ImageWindow *imd)
 729 {
 730         /* stops anything currently being done */
 731
 732         DEBUG_1("%s image reset", get_exec_time());
 733
 734         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 735
 736         image_loader_free(imd->il);
 737         imd->il = NULL;
 738
 739         color_man_free((ColorMan *)imd->cm);
 740         imd->cm = NULL;
 741
 742         imd->delay_alter_type = ALTER_NONE;
 743
 744         image_state_set(imd, IMAGE_STATE_NONE);
 745 }
 746
 747 /*
 748  *-------------------------------------------------------------------
 749  * image changer
 750  *-------------------------------------------------------------------
 751  */
 752
 753 static void image_change_complete(ImageWindow *imd, gdouble zoom, gint new)
 754 {
 755         image_reset(imd);
 756         imd->unknown = TRUE;
 757
 758         if (!imd->image_fd)
 759                 {
 760                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 761                 }
 762         else
 763                 {
 764
 765                 if (is_readable_file(imd->image_fd->path))
 766                         {
 767                         PixbufRenderer *pr;
 768
 769                         pr = PIXBUF_RENDERER(imd->pr);
 770                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 771
 772                         if (image_load_begin(imd, imd->image_fd))
 773                                 {
 774                                 imd->unknown = FALSE;
 775                                 }
 776                         }
 777
 778                 if (imd->unknown == TRUE)
 779                         {
 780                         GdkPixbuf *pixbuf;
 781
 782                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 783                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 784                         g_object_unref(pixbuf);
 785                         }
 786                 }
 787
 788         image_update_util(imd);
 789 }
 790
 791 static void image_change_real(ImageWindow *imd, FileData *fd,
 792                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 793 {
 794
 795         imd->collection = cd;
 796         imd->collection_info = info;
 797
 798         if (imd->auto_refresh && imd->image_fd)
 799                 file_data_unregister_real_time_monitor(imd->image_fd);
 800
 801         file_data_unref(imd->image_fd);
 802         imd->image_fd = file_data_ref(fd);
 803
 804
 805         image_change_complete(imd, zoom, TRUE);
 806
 807         image_update_title(imd);
 808         image_state_set(imd, IMAGE_STATE_IMAGE);
 809
 810         if (imd->auto_refresh && imd->image_fd)
 811                 file_data_register_real_time_monitor(imd->image_fd);
 812 }
 813
 814 /*
 815  *-------------------------------------------------------------------
 816  * focus stuff
 817  *-------------------------------------------------------------------
 818  */
 819
 820 static void image_focus_paint(ImageWindow *imd, gint has_focus, GdkRectangle *area)
 821 {
 822         GtkWidget *widget;
 823
 824         widget = imd->widget;
 825         if (!widget->window) return;
 826
 827         if (has_focus)
 828                 {
 829                 gtk_paint_focus(widget->style, widget->window, GTK_STATE_ACTIVE,
 830                                 area, widget, "image_window",
 831                                 widget->allocation.x, widget->allocation.y,
 832                                 widget->allocation.width - 1, widget->allocation.height - 1);
 833                 }
 834         else
 835                 {
 836                 gtk_paint_shadow(widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN,
 837                                  area, widget, "image_window",
 838                                  widget->allocation.x, widget->allocation.y,
 839                                  widget->allocation.width - 1, widget->allocation.height - 1);
 840                 }
 841 }
 842
 843 static gint image_focus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 844 {
 845         ImageWindow *imd = data;
 846
 847         image_focus_paint(imd, GTK_WIDGET_HAS_FOCUS(widget), &event->area);
 848         return TRUE;
 849 }
 850
 851 static gint image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 852 {
 853         ImageWindow *imd = data;
 854
 855         GTK_WIDGET_SET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 856         image_focus_paint(imd, TRUE, NULL);
 857
 858         return TRUE;
 859 }
 860
 861 static gint image_focus_out_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 862 {
 863         ImageWindow *imd = data;
 864
 865         GTK_WIDGET_UNSET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 866         image_focus_paint(imd, FALSE, NULL);
 867
 868         return TRUE;
 869 }
 870
 871 static gint image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 872 {
 873         ImageWindow *imd = data;
 874
 875         if (imd->func_scroll &&
 876             event && event->type == GDK_SCROLL)
 877                 {
 878                 imd->func_scroll(imd, event, imd->data_scroll);
 879                 return TRUE;
 880                 }
 881
 882         return FALSE;
 883 }
 884
 885 /*
 886  *-------------------------------------------------------------------
 887  * public interface
 888  *-------------------------------------------------------------------
 889  */
 890
 891 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 892                          const gchar *title, const gchar *title_right, gint show_zoom)
 893 {
 894         imd->top_window = window;
 895         g_free(imd->title);
 896         imd->title = g_strdup(title);
 897         g_free(imd->title_right);
 898         imd->title_right = g_strdup(title_right);
 899         imd->title_show_zoom = show_zoom;
 900
 901         if (!options->image.fit_window_to_image) window = NULL;
 902
 903         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 904
 905         image_update_title(imd);
 906 }
 907
 908 void image_set_update_func(ImageWindow *imd,
 909                            void (*func)(ImageWindow *imd, gpointer data),
 910                            gpointer data)
 911 {
 912         imd->func_update = func;
 913         imd->data_update = data;
 914 }
 915
 916 void image_set_complete_func(ImageWindow *imd,
 917                              void (*func)(ImageWindow *imd, gint preload, gpointer data),
 918                              gpointer data)
 919 {
 920         imd->func_complete = func;
 921         imd->data_complete = data;
 922 }
 923
 924 void image_set_state_func(ImageWindow *imd,
 925                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
 926                         gpointer data)
 927 {
 928         imd->func_state = func;
 929         imd->data_state = data;
 930 }
 931
 932
 933 void image_set_button_func(ImageWindow *imd,
 934                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
 935                            gpointer data)
 936 {
 937         imd->func_button = func;
 938         imd->data_button = data;
 939 }
 940
 941 void image_set_drag_func(ImageWindow *imd,
 942                            void (*func)(ImageWindow *, GdkEventButton *event, gdouble dx, gdouble dy, gpointer),
 943                            gpointer data)
 944 {
 945         imd->func_drag = func;
 946         imd->data_drag = data;
 947 }
 948
 949 void image_set_scroll_func(ImageWindow *imd,
 950                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
 951                            gpointer data)
 952 {
 953         imd->func_scroll = func;
 954         imd->data_scroll = data;
 955 }
 956
 957 void image_set_scroll_notify_func(ImageWindow *imd,
 958                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
 959                                   gpointer data)
 960 {
 961         imd->func_scroll_notify = func;
 962         imd->data_scroll_notify = data;
 963 }
 964
 965 /* path, name */
 966
 967 const gchar *image_get_path(ImageWindow *imd)
 968 {
 969         if (imd->image_fd == NULL) return NULL;
 970         return imd->image_fd->path;
 971 }
 972
 973 const gchar *image_get_name(ImageWindow *imd)
 974 {
 975         if (imd->image_fd == NULL) return NULL;
 976         return imd->image_fd->name;
 977 }
 978
 979 FileData *image_get_fd(ImageWindow *imd)
 980 {
 981         return imd->image_fd;
 982 }
 983
 984 /* merely changes path string, does not change the image! */
 985 void image_set_fd(ImageWindow *imd, FileData *fd)
 986 {
 987         if (imd->auto_refresh && imd->image_fd)
 988                 file_data_unregister_real_time_monitor(imd->image_fd);
 989
 990         file_data_unref(imd->image_fd);
 991         imd->image_fd = file_data_ref(fd);
 992
 993         image_update_title(imd);
 994         image_state_set(imd, IMAGE_STATE_IMAGE);
 995
 996         if (imd->auto_refresh && imd->image_fd)
 997                 file_data_register_real_time_monitor(imd->image_fd);
 998 }
 999
1000 /* load a new image */
1001
1002 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1003 {
1004         if (imd->image_fd == fd) return;
1005
1006         image_change_real(imd, fd, NULL, NULL, zoom);
1007 }
1008
1009 gint image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1010 {
1011         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1012 }
1013
1014 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1015 {
1016         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1017 }
1018
1019 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gint lazy)
1020 {
1021
1022
1023         /* read_exif and similar functions can actually notice that the file has changed and triger a notification
1024         that removes the pixbuf from cache and unref it. Therefore we must ref it here before it is taken over by the renderer. */
1025         if (pixbuf) g_object_ref(pixbuf);
1026
1027         if (imd->image_fd)
1028                 {
1029                 if (imd->image_fd->user_orientation)
1030                         {
1031                         imd->orientation = imd->image_fd->user_orientation;
1032                         }
1033                 else if (options->image.exif_rotate_enable)
1034                         {
1035                         imd->orientation = metadata_read_int(imd->image_fd, "Exif.Image.Orientation", EXIF_ORIENTATION_TOP_LEFT);
1036                         imd->image_fd->exif_orientation = imd->orientation;
1037                         }
1038                 }
1039
1040         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1041         if (imd->cm)
1042                 {
1043                 color_man_free(imd->cm);
1044                 imd->cm = NULL;
1045                 }
1046
1047         if (lazy)
1048                 {
1049                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation);
1050                 }
1051         else
1052                 {
1053                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1054                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1055                 }
1056
1057         if (pixbuf) g_object_unref(pixbuf);
1058
1059         if (imd->color_profile_enable)
1060                 {
1061                 image_post_process_color(imd, 0, FALSE); /* TODO: error handling */
1062                 }
1063
1064         if (imd->cm || imd->desaturate)
1065                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1066
1067         image_state_set(imd, IMAGE_STATE_IMAGE);
1068 }
1069
1070 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1071 {
1072         if (!cd || !info || !g_list_find(cd->list, info)) return;
1073
1074         image_change_real(imd, info->fd, cd, info, zoom);
1075 }
1076
1077 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1078 {
1079         if (collection_to_number(imd->collection) >= 0)
1080                 {
1081                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1082                         {
1083                         if (info) *info = imd->collection_info;
1084                         }
1085                 else
1086                         {
1087                         if (info) *info = NULL;
1088                         }
1089                 return imd->collection;
1090                 }
1091
1092         if (info) *info = NULL;
1093         return NULL;
1094 }
1095
1096 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1097 {
1098         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1099                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1100
1101         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1102                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1103 }
1104
1105 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1106 {
1107         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1108                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1109
1110         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1111                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1112
1113         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1114                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1115 }
1116
1117 /* this is more like a move function
1118  * it moves most data from source to imd
1119  */
1120 void image_change_from_image(ImageWindow *imd, ImageWindow *source)
1121 {
1122         if (imd == source) return;
1123
1124         imd->unknown = source->unknown;
1125
1126         imd->collection = source->collection;
1127         imd->collection_info = source->collection_info;
1128
1129         image_loader_free(imd->il);
1130         imd->il = NULL;
1131
1132         image_set_fd(imd, image_get_fd(source));
1133
1134
1135         if (source->il)
1136                 {
1137                 imd->il = source->il;
1138                 source->il = NULL;
1139
1140                 image_loader_sync_data(imd->il, source, imd);
1141
1142                 imd->delay_alter_type = source->delay_alter_type;
1143                 source->delay_alter_type = ALTER_NONE;
1144                 }
1145
1146         imd->color_profile_enable = source->color_profile_enable;
1147         imd->color_profile_input = source->color_profile_input;
1148         imd->color_profile_screen = source->color_profile_screen;
1149         imd->color_profile_use_image = source->color_profile_use_image;
1150         color_man_free((ColorMan *)imd->cm);
1151         imd->cm = NULL;
1152         if (source->cm)
1153                 {
1154                 ColorMan *cm;
1155
1156                 imd->cm = source->cm;
1157                 source->cm = NULL;
1158
1159                 cm = (ColorMan *)imd->cm;
1160                 cm->imd = imd;
1161                 cm->func_done_data = imd;
1162                 }
1163
1164         image_loader_free(imd->read_ahead_il);
1165         imd->read_ahead_il = source->read_ahead_il;
1166         source->read_ahead_il = NULL;
1167         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1168
1169         file_data_unref(imd->read_ahead_fd);
1170         imd->read_ahead_fd = source->read_ahead_fd;
1171         source->read_ahead_fd = NULL;
1172
1173         imd->completed = source->completed;
1174         imd->state = source->state;
1175         source->state = IMAGE_STATE_NONE;
1176
1177         imd->orientation = source->orientation;
1178         imd->desaturate = source->desaturate;
1179
1180         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1181
1182         if (imd->cm || imd->desaturate)
1183                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1184         else
1185                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1186
1187 }
1188
1189 /* manipulation */
1190
1191 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1192 {
1193         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1194 }
1195
1196 void image_reload(ImageWindow *imd)
1197 {
1198         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1199
1200         image_change_complete(imd, image_zoom_get(imd), FALSE);
1201 }
1202
1203 void image_scroll(ImageWindow *imd, gint x, gint y)
1204 {
1205         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1206 }
1207
1208 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1209                            gdouble x_align, gdouble y_align)
1210 {
1211         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1212 }
1213
1214 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1215 {
1216         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1217 }
1218
1219 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1220 {
1221         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1222 }
1223
1224 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1225 {
1226         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1227 }
1228
1229 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1230 {
1231         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1232 }
1233
1234 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1235 {
1236         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1237 }
1238
1239 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1240 {
1241         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1242 }
1243
1244 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1245 {
1246         PixbufRenderer *pr;
1247         gdouble zoom;
1248         gint width, height;
1249
1250         pr = (PixbufRenderer *)imd->pr;
1251
1252         if (!pixbuf_renderer_get_pixbuf(pr) ||
1253             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1254
1255         if (vertical)
1256                 {
1257                 zoom = (gdouble)pr->window_height / height;
1258                 }
1259         else
1260                 {
1261                 zoom = (gdouble)pr->window_width / width;
1262                 }
1263
1264         if (zoom < 1.0)
1265                 {
1266                 zoom = 0.0 - 1.0 / zoom;
1267                 }
1268
1269         pixbuf_renderer_zoom_set(pr, zoom);
1270 }
1271
1272 gdouble image_zoom_get(ImageWindow *imd)
1273 {
1274         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1275 }
1276
1277 gdouble image_zoom_get_real(ImageWindow *imd)
1278 {
1279         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1280 }
1281
1282 gchar *image_zoom_get_as_text(ImageWindow *imd)
1283 {
1284         gdouble zoom;
1285         gdouble scale;
1286         gdouble l = 1.0;
1287         gdouble r = 1.0;
1288         gint pl = 0;
1289         gint pr = 0;
1290         gchar *approx = " ";
1291
1292         zoom = image_zoom_get(imd);
1293         scale = image_zoom_get_real(imd);
1294
1295         if (zoom > 0.0)
1296                 {
1297                 l = zoom;
1298                 }
1299         else if (zoom < 0.0)
1300                 {
1301                 r = 0.0 - zoom;
1302                 }
1303         else if (zoom == 0.0 && scale != 0.0)
1304                 {
1305                 if (scale >= 1.0)
1306                         {
1307                         l = scale;
1308                         }
1309                 else
1310                         {
1311                         r = 1.0 / scale;
1312                         }
1313                 approx = "~";
1314                 }
1315
1316         if (rint(l) != l) pl = 1;
1317         if (rint(r) != r) pr = 1;
1318
1319         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1320 }
1321
1322 gdouble image_zoom_get_default(ImageWindow *imd)
1323 {
1324         gdouble zoom = 1.0;
1325
1326         switch (options->image.zoom_mode)
1327         {
1328         case ZOOM_RESET_ORIGINAL:
1329                 break;
1330         case ZOOM_RESET_FIT_WINDOW:
1331                 zoom = 0.0;
1332                 break;
1333         case ZOOM_RESET_NONE:
1334                 if (imd) zoom = image_zoom_get(imd);
1335                 break;
1336         }
1337
1338         return zoom;
1339 }
1340
1341 /* read ahead */
1342
1343 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1344 {
1345         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1346
1347         if (fd)
1348                 {
1349                 if (!file_cache_get(image_get_cache(), fd))
1350                         {
1351                         image_read_ahead_set(imd, fd);
1352                         }
1353                 }
1354         else
1355                 {
1356                 image_read_ahead_cancel(imd);
1357                 }
1358 }
1359
1360 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1361 {
1362         ImageWindow *imd = data;
1363
1364         if (!imd || !image_get_pixbuf(imd) ||
1365             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1366             !imd->image_fd || /* nothing to reload */
1367             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1368             ) return;
1369
1370         if (type == NOTIFY_TYPE_REREAD && fd == imd->image_fd)
1371                 {
1372                 image_reload(imd);
1373                 }
1374 }
1375
1376 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1377 {
1378         if (!enable && imd->auto_refresh && imd->image_fd)
1379                 file_data_unregister_real_time_monitor(imd->image_fd);
1380
1381         if (enable && !imd->auto_refresh && imd->image_fd)
1382                 file_data_register_real_time_monitor(imd->image_fd);
1383
1384         imd->auto_refresh = enable;
1385 }
1386
1387 void image_top_window_set_sync(ImageWindow *imd, gint allow_sync)
1388 {
1389         imd->top_window_sync = allow_sync;
1390
1391         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1392 }
1393
1394 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1395 {
1396         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1397 }
1398
1399 void image_color_profile_set(ImageWindow *imd,
1400                              gint input_type, gint screen_type,
1401                              gint use_image)
1402 {
1403         if (!imd) return;
1404
1405         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS ||
1406             screen_type < 0 || screen_type > 1)
1407                 {
1408                 return;
1409                 }
1410
1411         imd->color_profile_input = input_type;
1412         imd->color_profile_screen = screen_type;
1413         imd->color_profile_use_image = use_image;
1414 }
1415
1416 gint image_color_profile_get(ImageWindow *imd,
1417                              gint *input_type, gint *screen_type,
1418                              gint *use_image)
1419 {
1420         if (!imd) return FALSE;
1421
1422         if (input_type) *input_type = imd->color_profile_input;
1423         if (screen_type) *screen_type = imd->color_profile_screen;
1424         if (use_image) *use_image = imd->color_profile_use_image;
1425
1426         return TRUE;
1427 }
1428
1429 void image_color_profile_set_use(ImageWindow *imd, gint enable)
1430 {
1431         if (!imd) return;
1432
1433         if (imd->color_profile_enable == enable) return;
1434
1435         imd->color_profile_enable = enable;
1436 }
1437
1438 gint image_color_profile_get_use(ImageWindow *imd)
1439 {
1440         if (!imd) return FALSE;
1441
1442         return imd->color_profile_enable;
1443 }
1444
1445 gint image_color_profile_get_from_image(ImageWindow *imd)
1446 {
1447         if (!imd) return FALSE;
1448
1449         return imd->color_profile_from_image;
1450 }
1451
1452 void image_set_delay_flip(ImageWindow *imd, gint delay)
1453 {
1454         if (!imd ||
1455             imd->delay_flip == delay) return;
1456
1457         imd->delay_flip = delay;
1458
1459         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1460
1461         if (!imd->delay_flip && imd->il)
1462                 {
1463                 PixbufRenderer *pr;
1464
1465                 pr = PIXBUF_RENDERER(imd->pr);
1466                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1467                 pr->pixbuf = NULL;
1468
1469                 image_load_pixbuf_ready(imd);
1470                 }
1471 }
1472
1473 void image_to_root_window(ImageWindow *imd, gint scaled)
1474 {
1475         GdkScreen *screen;
1476         GdkWindow *rootwindow;
1477         GdkPixmap *pixmap;
1478         GdkPixbuf *pixbuf;
1479         GdkPixbuf *pb;
1480         gint width, height;
1481
1482         if (!imd) return;
1483
1484         pixbuf = image_get_pixbuf(imd);
1485         if (!pixbuf) return;
1486
1487         screen = gtk_widget_get_screen(imd->widget);
1488         rootwindow = gdk_screen_get_root_window(screen);
1489         if (gdk_drawable_get_visual(rootwindow) != gdk_visual_get_system()) return;
1490
1491         if (scaled)
1492                 {
1493                 width = gdk_screen_width();
1494                 height = gdk_screen_height();
1495                 }
1496         else
1497                 {
1498                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1499                 }
1500
1501         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1502
1503         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1504         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1505         gdk_window_clear(rootwindow);
1506         g_object_unref(pb);
1507         g_object_unref(pixmap);
1508
1509         gdk_flush();
1510 }
1511
1512 void image_select(ImageWindow *imd, gboolean select)
1513 {
1514         if (!imd->has_frame) return;
1515
1516         if (select)
1517                 {
1518                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1519                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1520                 }
1521         else
1522                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1523 }
1524
1525 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1526 {
1527         if (!imd->has_frame) return;
1528
1529         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1530         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1531 }
1532
1533 /*
1534  *-------------------------------------------------------------------
1535  * prefs sync
1536  *-------------------------------------------------------------------
1537  */
1538
1539 static void image_options_set(ImageWindow *imd)
1540 {
1541         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1542                                         "zoom_2pass", options->image.zoom_2pass,
1543                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1544                                         "dither_quality", options->image.dither_quality,
1545                                         "scroll_reset", options->image.scroll_reset_method,
1546                                         "cache_display", options->image.tile_cache_max,
1547                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1548                                         "window_limit", options->image.limit_window_size,
1549                                         "window_limit_value", options->image.max_window_size,
1550                                         "autofit_limit", options->image.limit_autofit_size,
1551                                         "autofit_limit_value", options->image.max_autofit_size,
1552
1553                                         NULL);
1554
1555         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1556 }
1557
1558 void image_options_sync(void)
1559 {
1560         GList *work;
1561
1562         work = image_list;
1563         while (work)
1564                 {
1565                 ImageWindow *imd;
1566
1567                 imd = work->data;
1568                 work = work->next;
1569
1570                 image_options_set(imd);
1571                 }
1572 }
1573
1574 /*
1575  *-------------------------------------------------------------------
1576  * init / destroy
1577  *-------------------------------------------------------------------
1578  */
1579
1580 static void image_free(ImageWindow *imd)
1581 {
1582         image_list = g_list_remove(image_list, imd);
1583
1584         if (imd->auto_refresh && imd->image_fd)
1585                 file_data_unregister_real_time_monitor(imd->image_fd);
1586
1587         file_data_unregister_notify_func(image_notify_cb, imd);
1588
1589         image_reset(imd);
1590
1591         image_read_ahead_cancel(imd);
1592
1593         file_data_unref(imd->image_fd);
1594         g_free(imd->title);
1595         g_free(imd->title_right);
1596         g_free(imd);
1597 }
1598
1599 static void image_destroy_cb(GtkObject *widget, gpointer data)
1600 {
1601         ImageWindow *imd = data;
1602         image_free(imd);
1603 }
1604
1605 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1606 {
1607         gtk_paint_flat_box(widget->style,
1608                            widget->window,
1609                            widget->state,
1610                            (GTK_FRAME(widget))->shadow_type,
1611                            NULL,
1612                            widget,
1613                            NULL,
1614                            widget->allocation.x + 3, widget->allocation.y + 3,
1615                            widget->allocation.width - 6, widget->allocation.height - 6);
1616
1617
1618         return FALSE;
1619 }
1620
1621
1622 void image_set_frame(ImageWindow *imd, gboolean frame)
1623 {
1624         frame = !!frame;
1625
1626         if (frame == imd->has_frame) return;
1627
1628         gtk_widget_hide(imd->pr);
1629
1630         if (frame)
1631                 {
1632                 imd->frame = gtk_frame_new(NULL);
1633 #if GTK_CHECK_VERSION(2,12,0)
1634                 g_object_ref(imd->pr);
1635 #else
1636                 gtk_widget_ref(imd->pr);
1637 #endif
1638                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1639                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1640
1641 #if GTK_CHECK_VERSION(2,12,0)
1642                 g_object_unref(imd->pr);
1643 #else
1644                 gtk_widget_unref(imd->pr);
1645 #endif
1646                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1647                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1648
1649                 GTK_WIDGET_SET_FLAGS(imd->frame, GTK_CAN_FOCUS);
1650                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1651                                  G_CALLBACK(image_focus_in_cb), imd);
1652                 g_signal_connect(G_OBJECT(imd->frame), "focus_out_event",
1653                                  G_CALLBACK(image_focus_out_cb), imd);
1654
1655                 g_signal_connect_after(G_OBJECT(imd->frame), "expose_event",
1656                                        G_CALLBACK(image_focus_expose), imd);
1657
1658 #if GTK_CHECK_VERSION(2,14,0)
1659                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1660 #else
1661                 gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->frame);
1662 #endif
1663                 gtk_widget_show(imd->frame);
1664                 }
1665         else
1666                 {
1667 #if GTK_CHECK_VERSION(2,12,0)
1668                 g_object_ref(imd->pr);
1669 #else
1670                 gtk_widget_ref(imd->pr);
1671 #endif
1672                 if (imd->frame)
1673                         {
1674                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1675                         gtk_widget_destroy(imd->frame);
1676                         imd->frame = NULL;
1677                         }
1678 #if GTK_CHECK_VERSION(2,14,0)
1679                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1680 #else
1681                 gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->pr);
1682 #endif
1683
1684 #if GTK_CHECK_VERSION(2,12,0)
1685                 g_object_unref(imd->pr);
1686 #else
1687                 gtk_widget_unref(imd->pr);
1688 #endif
1689                 }
1690
1691         gtk_widget_show(imd->pr);
1692
1693         imd->has_frame = frame;
1694 }
1695
1696 ImageWindow *image_new(gint frame)
1697 {
1698         ImageWindow *imd;
1699
1700         imd = g_new0(ImageWindow, 1);
1701
1702         imd->top_window = NULL;
1703         imd->title = NULL;
1704         imd->title_right = NULL;
1705         imd->title_show_zoom = FALSE;
1706
1707         imd->unknown = TRUE;
1708
1709         imd->has_frame = -1; /* not initialized; for image_set_frame */
1710         imd->top_window_sync = FALSE;
1711
1712         imd->delay_alter_type = ALTER_NONE;
1713
1714         imd->read_ahead_il = NULL;
1715         imd->read_ahead_fd = NULL;
1716
1717         imd->completed = FALSE;
1718         imd->state = IMAGE_STATE_NONE;
1719
1720         imd->color_profile_enable = FALSE;
1721         imd->color_profile_input = 0;
1722         imd->color_profile_screen = 0;
1723         imd->color_profile_use_image = FALSE;
1724         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1725
1726         imd->auto_refresh = FALSE;
1727
1728         imd->delay_flip = FALSE;
1729
1730         imd->func_update = NULL;
1731         imd->func_complete = NULL;
1732         imd->func_tile_request = NULL;
1733         imd->func_tile_dispose = NULL;
1734
1735         imd->func_button = NULL;
1736         imd->func_scroll = NULL;
1737
1738         imd->orientation = 1;
1739
1740         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1741
1742         image_options_set(imd);
1743
1744
1745         imd->widget = gtk_vbox_new(0, 0);
1746
1747         image_set_frame(imd, frame);
1748
1749         image_set_selectable(imd, 0);
1750
1751         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1752                          G_CALLBACK(image_click_cb), imd);
1753         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1754                          G_CALLBACK(image_scroll_notify_cb), imd);
1755
1756         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1757                          G_CALLBACK(image_scroll_cb), imd);
1758
1759         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1760                          G_CALLBACK(image_destroy_cb), imd);
1761
1762         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1763                          G_CALLBACK(image_zoom_cb), imd);
1764         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1765                          G_CALLBACK(image_render_complete_cb), imd);
1766         g_signal_connect(G_OBJECT(imd->pr), "drag",
1767                          G_CALLBACK(image_drag_cb), imd);
1768
1769         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
1770
1771         image_list = g_list_append(image_list, imd);
1772
1773         return imd;
1774 }
1775 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */