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, ExifData *exif, 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
 202         if (imd->cm) return FALSE;
 203
 204         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 205             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 206                 {
 207                 gint n;
 208
 209                 n = imd->color_profile_input - COLOR_PROFILE_FILE;
 210                 if (!options->color_profile.input_file[n] || !options->color_profile.input_file[n][0]) return FALSE;
 211
 212                 input_type = COLOR_PROFILE_FILE;
 213                 input_file = options->color_profile.input_file[n];
 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             options->color_profile.screen_file &&
 228             options->color_profile.screen_file[0])
 229                 {
 230                 screen_type = COLOR_PROFILE_FILE;
 231                 screen_file = options->color_profile.screen_file;
 232                 }
 233         else if (imd->color_profile_screen == 0)
 234                 {
 235                 screen_type = COLOR_PROFILE_SRGB;
 236                 screen_file = NULL;
 237                 }
 238         else
 239                 {
 240                 return FALSE;
 241                 }
 242         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 243
 244         if (imd->color_profile_use_image && exif)
 245                 {
 246                 profile = exif_get_color_profile(exif, &profile_len);
 247                 if (!profile)
 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                                 input_type = COLOR_PROFILE_SRGB;
 259                                 input_file = NULL;
 260                                 imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 261
 262                                 DEBUG_1("Found EXIF ColorSpace of sRGB");
 263                                 }
 264                         if (cs == 2 || (interop_index && !strcmp(interop_index, "R03")))
 265                                 {
 266                                 input_type = COLOR_PROFILE_ADOBERGB;
 267                                 input_file = NULL;
 268                                 imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 269
 270                                 DEBUG_1("Found EXIF ColorSpace of AdobeRGB");
 271                                 }
 272
 273                         g_free(interop_index);
 274                         }
 275                 }
 276
 277         if (profile)
 278                 {
 279                 DEBUG_1("Found embedded color profile");
 280                 imd->color_profile_from_image = COLOR_PROFILE_MEM;
 281
 282                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 283                                             profile, profile_len,
 284                                             screen_type, screen_file);
 285                 g_free(profile);
 286                 }
 287         else
 288                 {
 289                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 290                                    input_type, input_file,
 291                                    screen_type, screen_file);
 292                 }
 293
 294         if (cm)
 295                 {
 296                 if (start_row > 0)
 297                         {
 298                         cm->row = start_row;
 299                         cm->incremental_sync = TRUE;
 300                         }
 301
 302                 imd->cm = (gpointer)cm;
 303 #if 0
 304                 if (run_in_bg) color_man_start_bg(imd->cm, image_post_process_color_cb, imd);
 305 #endif
 306                 return TRUE;
 307                 }
 308
 309         return FALSE;
 310 }
 311
 312
 313 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 314 {
 315         ImageWindow *imd = (ImageWindow *)data;
 316         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 317         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 318
 319 }
 320
 321 void image_alter(ImageWindow *imd, AlterType type)
 322 {
 323         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 324         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 325         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 326         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 327         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 328
 329
 330         if (!imd || !imd->pr || !imd->image_fd) return;
 331
 332         if (imd->orientation < 1 || imd->orientation > 8) imd->orientation = 1;
 333
 334         switch (type)
 335                 {
 336                 case ALTER_ROTATE_90:
 337                         imd->orientation = rotate_90[imd->orientation];
 338                         break;
 339                 case ALTER_ROTATE_90_CC:
 340                         imd->orientation = rotate_90_cc[imd->orientation];
 341                         break;
 342                 case ALTER_ROTATE_180:
 343                         imd->orientation = rotate_180[imd->orientation];
 344                         break;
 345                 case ALTER_MIRROR:
 346                         imd->orientation = mirror[imd->orientation];
 347                         break;
 348                 case ALTER_FLIP:
 349                         imd->orientation = flip[imd->orientation];
 350                         break;
 351                 case ALTER_DESATURATE:
 352                         imd->desaturate = !imd->desaturate;
 353                         break;
 354                 case ALTER_NONE:
 355                         imd->orientation = imd->image_fd->exif_orientation ? imd->image_fd->exif_orientation : 1;
 356                         imd->desaturate = FALSE;
 357                         break;
 358                 default:
 359                         return;
 360                         break;
 361                 }
 362
 363         if (type != ALTER_NONE && type != ALTER_DESATURATE)
 364                 {
 365                 if (imd->image_fd->user_orientation == 0) file_data_ref(imd->image_fd);
 366                 imd->image_fd->user_orientation = imd->orientation;
 367                 }
 368         else
 369                 {
 370                 if (imd->image_fd->user_orientation != 0) file_data_unref(imd->image_fd);
 371                 imd->image_fd->user_orientation = 0;
 372                 }
 373
 374         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 375         if (imd->cm || imd->desaturate)
 376                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 377         else
 378                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 379 }
 380
 381
 382 /*
 383  *-------------------------------------------------------------------
 384  * read ahead (prebuffer)
 385  *-------------------------------------------------------------------
 386  */
 387
 388 static void image_read_ahead_cancel(ImageWindow *imd)
 389 {
 390         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 391
 392         image_loader_free(imd->read_ahead_il);
 393         imd->read_ahead_il = NULL;
 394
 395         file_data_unref(imd->read_ahead_fd);
 396         imd->read_ahead_fd = NULL;
 397 }
 398
 399 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 400 {
 401         ImageWindow *imd = data;
 402
 403         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 404
 405         if (!imd->read_ahead_fd->pixbuf)
 406                 {
 407                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 408                 if (imd->read_ahead_fd->pixbuf)
 409                         {
 410                         g_object_ref(imd->read_ahead_fd->pixbuf);
 411                         image_cache_set(imd, imd->read_ahead_fd);
 412                         }
 413                 }
 414         image_loader_free(imd->read_ahead_il);
 415         imd->read_ahead_il = NULL;
 416
 417         image_complete_util(imd, TRUE);
 418 }
 419
 420 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 421 {
 422         /* we even treat errors as success, maybe at least some of the file was ok */
 423         image_read_ahead_done_cb(il, data);
 424 }
 425
 426 static void image_read_ahead_start(ImageWindow *imd)
 427 {
 428         /* already started ? */
 429         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 430
 431         /* still loading ?, do later */
 432         if (imd->il /*|| imd->cm*/) return;
 433
 434         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 435
 436         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 437
 438         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 439
 440         g_signal_connect (G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 441         g_signal_connect (G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 442
 443         if (!image_loader_start(imd->read_ahead_il))
 444                 {
 445                 image_read_ahead_cancel(imd);
 446                 image_complete_util(imd, TRUE);
 447                 }
 448 }
 449
 450 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 451 {
 452         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 453
 454         image_read_ahead_cancel(imd);
 455
 456         imd->read_ahead_fd = file_data_ref(fd);
 457
 458         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 459
 460         image_read_ahead_start(imd);
 461 }
 462
 463 /*
 464  *-------------------------------------------------------------------
 465  * post buffering
 466  *-------------------------------------------------------------------
 467  */
 468
 469 static void image_cache_release_cb(FileData *fd)
 470 {
 471         g_object_unref(fd->pixbuf);
 472         fd->pixbuf = NULL;
 473 }
 474
 475 static FileCacheData *image_get_cache(void)
 476 {
 477         static FileCacheData *cache = NULL;
 478         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 479         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 480         return cache;
 481 }
 482
 483 static void image_cache_set(ImageWindow *imd, FileData *fd)
 484 {
 485         g_assert(fd->pixbuf);
 486
 487         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 488         file_data_send_notification(fd, NOTIFY_TYPE_INTERNAL); /* to update histogram */
 489 }
 490
 491 static gint image_cache_get(ImageWindow *imd)
 492 {
 493         gint success;
 494
 495         success = file_cache_get(image_get_cache(), imd->image_fd);
 496         if (success)
 497                 {
 498                 g_assert(imd->image_fd->pixbuf);
 499                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 500                 }
 501
 502         file_cache_dump(image_get_cache());
 503         return success;
 504 }
 505
 506 /*
 507  *-------------------------------------------------------------------
 508  * loading
 509  *-------------------------------------------------------------------
 510  */
 511
 512 static void image_load_pixbuf_ready(ImageWindow *imd)
 513 {
 514         if (image_get_pixbuf(imd) || !imd->il) return;
 515
 516         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 517 }
 518
 519 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 520 {
 521         ImageWindow *imd = data;
 522         PixbufRenderer *pr;
 523
 524         pr = (PixbufRenderer *)imd->pr;
 525
 526         if (imd->delay_flip &&
 527             pr->pixbuf != image_loader_get_pixbuf(il))
 528                 {
 529                 return;
 530                 }
 531
 532         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 533
 534         pixbuf_renderer_area_changed(pr, x, y, w, h);
 535 }
 536
 537 static void image_load_done_cb(ImageLoader *il, gpointer data)
 538 {
 539         ImageWindow *imd = data;
 540
 541         DEBUG_1("%s image done", get_exec_time());
 542
 543         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 544                 {
 545                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 546                 image_cache_set(imd, imd->image_fd);
 547                 }
 548         /* call the callback triggered by image_state after fd->pixbuf is set */
 549         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 550         image_state_unset(imd, IMAGE_STATE_LOADING);
 551
 552         if (!image_loader_get_pixbuf(imd->il))
 553                 {
 554                 GdkPixbuf *pixbuf;
 555
 556                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 557                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 558                 g_object_unref(pixbuf);
 559
 560                 imd->unknown = TRUE;
 561                 }
 562         else if (imd->delay_flip &&
 563             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 564                 {
 565                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 566                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 567                 }
 568
 569         image_loader_free(imd->il);
 570         imd->il = NULL;
 571
 572 //      image_post_process(imd, TRUE);
 573
 574         image_read_ahead_start(imd);
 575 }
 576
 577 static void image_load_error_cb(ImageLoader *il, gpointer data)
 578 {
 579         DEBUG_1("%s image error", get_exec_time());
 580
 581         /* even on error handle it like it was done,
 582          * since we have a pixbuf with _something_ */
 583
 584         image_load_done_cb(il, data);
 585 }
 586
 587 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 588 {
 589         g_assert(imd->il);
 590         if (override_old_signals)
 591                 {
 592                 /* override the old signals */
 593                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 594                 }
 595
 596         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 597         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 598         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 599 }
 600
 601 /* this read ahead is located here merely for the callbacks, above */
 602
 603 static gint image_read_ahead_check(ImageWindow *imd)
 604 {
 605         if (!imd->read_ahead_fd) return FALSE;
 606         if (imd->il) return FALSE;
 607
 608         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 609                 {
 610                 image_read_ahead_cancel(imd);
 611                 return FALSE;
 612                 }
 613
 614         if (imd->read_ahead_il)
 615                 {
 616                 imd->il = imd->read_ahead_il;
 617                 imd->read_ahead_il = NULL;
 618
 619                 image_load_set_signals(imd, TRUE);
 620
 621                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 622                 image_state_set(imd, IMAGE_STATE_LOADING);
 623
 624                 if (!imd->delay_flip)
 625                         {
 626                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 627                         }
 628
 629                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 630
 631                 file_data_unref(imd->read_ahead_fd);
 632                 imd->read_ahead_fd = NULL;
 633                 return TRUE;
 634                 }
 635         else if (imd->read_ahead_fd->pixbuf)
 636                 {
 637                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 638
 639                 file_data_unref(imd->read_ahead_fd);
 640                 imd->read_ahead_fd = NULL;
 641
 642 //              image_post_process(imd, FALSE);
 643                 return TRUE;
 644                 }
 645
 646         image_read_ahead_cancel(imd);
 647         return FALSE;
 648 }
 649
 650 static gint image_load_begin(ImageWindow *imd, FileData *fd)
 651 {
 652         DEBUG_1("%s image begin", get_exec_time());
 653
 654         if (imd->il) return FALSE;
 655
 656         imd->completed = FALSE;
 657         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 658
 659         if (image_cache_get(imd))
 660                 {
 661                 DEBUG_1("from cache: %s", imd->image_fd->path);
 662                 return TRUE;
 663                 }
 664
 665         if (image_read_ahead_check(imd))
 666                 {
 667                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 668                 return TRUE;
 669                 }
 670
 671         if (!imd->delay_flip && image_get_pixbuf(imd))
 672                 {
 673                 PixbufRenderer *pr;
 674
 675                 pr = PIXBUF_RENDERER(imd->pr);
 676                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 677                 pr->pixbuf = NULL;
 678                 }
 679
 680         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 681
 682         imd->il = image_loader_new(fd);
 683
 684         image_load_set_signals(imd, FALSE);
 685
 686         if (!image_loader_start(imd->il))
 687                 {
 688                 DEBUG_1("image start error");
 689
 690                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 691
 692                 image_loader_free(imd->il);
 693                 imd->il = NULL;
 694
 695                 image_complete_util(imd, FALSE);
 696
 697                 return FALSE;
 698                 }
 699
 700         image_state_set(imd, IMAGE_STATE_LOADING);
 701
 702 /*
 703         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 704                 {
 705                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 706                 }
 707 */
 708         return TRUE;
 709 }
 710
 711 static void image_reset(ImageWindow *imd)
 712 {
 713         /* stops anything currently being done */
 714
 715         DEBUG_1("%s image reset", get_exec_time());
 716
 717         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 718
 719         image_loader_free(imd->il);
 720         imd->il = NULL;
 721
 722         color_man_free((ColorMan *)imd->cm);
 723         imd->cm = NULL;
 724
 725         imd->delay_alter_type = ALTER_NONE;
 726
 727         image_state_set(imd, IMAGE_STATE_NONE);
 728 }
 729
 730 /*
 731  *-------------------------------------------------------------------
 732  * image changer
 733  *-------------------------------------------------------------------
 734  */
 735
 736 static void image_change_complete(ImageWindow *imd, gdouble zoom, gint new)
 737 {
 738         image_reset(imd);
 739         imd->unknown = TRUE;
 740
 741         if (!imd->image_fd)
 742                 {
 743                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 744                 }
 745         else
 746                 {
 747
 748                 if (isfile(imd->image_fd->path))
 749                         {
 750                         PixbufRenderer *pr;
 751
 752                         pr = PIXBUF_RENDERER(imd->pr);
 753                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 754
 755                         if (image_load_begin(imd, imd->image_fd))
 756                                 {
 757                                 imd->unknown = FALSE;
 758                                 }
 759                         }
 760
 761                 if (imd->unknown == TRUE)
 762                         {
 763                         GdkPixbuf *pixbuf;
 764
 765                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 766                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 767                         g_object_unref(pixbuf);
 768                         }
 769                 }
 770
 771         image_update_util(imd);
 772 }
 773
 774 static void image_change_real(ImageWindow *imd, FileData *fd,
 775                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 776 {
 777
 778         imd->collection = cd;
 779         imd->collection_info = info;
 780
 781         if (imd->auto_refresh && imd->image_fd)
 782                 file_data_unregister_real_time_monitor(imd->image_fd);
 783
 784         file_data_unref(imd->image_fd);
 785         imd->image_fd = file_data_ref(fd);
 786
 787
 788         image_change_complete(imd, zoom, TRUE);
 789
 790         image_update_title(imd);
 791         image_state_set(imd, IMAGE_STATE_IMAGE);
 792
 793         if (imd->auto_refresh && imd->image_fd)
 794                 file_data_register_real_time_monitor(imd->image_fd);
 795 }
 796
 797 /*
 798  *-------------------------------------------------------------------
 799  * focus stuff
 800  *-------------------------------------------------------------------
 801  */
 802
 803 static void image_focus_paint(ImageWindow *imd, gint has_focus, GdkRectangle *area)
 804 {
 805         GtkWidget *widget;
 806
 807         widget = imd->widget;
 808         if (!widget->window) return;
 809
 810         if (has_focus)
 811                 {
 812                 gtk_paint_focus(widget->style, widget->window, GTK_STATE_ACTIVE,
 813                                 area, widget, "image_window",
 814                                 widget->allocation.x, widget->allocation.y,
 815                                 widget->allocation.width - 1, widget->allocation.height - 1);
 816                 }
 817         else
 818                 {
 819                 gtk_paint_shadow(widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN,
 820                                  area, widget, "image_window",
 821                                  widget->allocation.x, widget->allocation.y,
 822                                  widget->allocation.width - 1, widget->allocation.height - 1);
 823                 }
 824 }
 825
 826 static gint image_focus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 827 {
 828         ImageWindow *imd = data;
 829
 830         image_focus_paint(imd, GTK_WIDGET_HAS_FOCUS(widget), &event->area);
 831         return TRUE;
 832 }
 833
 834 static gint image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 835 {
 836         ImageWindow *imd = data;
 837
 838         GTK_WIDGET_SET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 839         image_focus_paint(imd, TRUE, NULL);
 840
 841         return TRUE;
 842 }
 843
 844 static gint image_focus_out_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 845 {
 846         ImageWindow *imd = data;
 847
 848         GTK_WIDGET_UNSET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 849         image_focus_paint(imd, FALSE, NULL);
 850
 851         return TRUE;
 852 }
 853
 854 static gint image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 855 {
 856         ImageWindow *imd = data;
 857
 858         if (imd->func_scroll &&
 859             event && event->type == GDK_SCROLL)
 860                 {
 861                 imd->func_scroll(imd, event, imd->data_scroll);
 862                 return TRUE;
 863                 }
 864
 865         return FALSE;
 866 }
 867
 868 /*
 869  *-------------------------------------------------------------------
 870  * public interface
 871  *-------------------------------------------------------------------
 872  */
 873
 874 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 875                          const gchar *title, const gchar *title_right, gint show_zoom)
 876 {
 877         imd->top_window = window;
 878         g_free(imd->title);
 879         imd->title = g_strdup(title);
 880         g_free(imd->title_right);
 881         imd->title_right = g_strdup(title_right);
 882         imd->title_show_zoom = show_zoom;
 883
 884         if (!options->image.fit_window_to_image) window = NULL;
 885
 886         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 887
 888         image_update_title(imd);
 889 }
 890
 891 void image_set_update_func(ImageWindow *imd,
 892                            void (*func)(ImageWindow *imd, gpointer data),
 893                            gpointer data)
 894 {
 895         imd->func_update = func;
 896         imd->data_update = data;
 897 }
 898
 899 void image_set_complete_func(ImageWindow *imd,
 900                              void (*func)(ImageWindow *imd, gint preload, gpointer data),
 901                              gpointer data)
 902 {
 903         imd->func_complete = func;
 904         imd->data_complete = data;
 905 }
 906
 907 void image_set_state_func(ImageWindow *imd,
 908                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
 909                         gpointer data)
 910 {
 911         imd->func_state = func;
 912         imd->data_state = data;
 913 }
 914
 915
 916 void image_set_button_func(ImageWindow *imd,
 917                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
 918                            gpointer data)
 919 {
 920         imd->func_button = func;
 921         imd->data_button = data;
 922 }
 923
 924 void image_set_drag_func(ImageWindow *imd,
 925                            void (*func)(ImageWindow *, GdkEventButton *event, gdouble dx, gdouble dy, gpointer),
 926                            gpointer data)
 927 {
 928         imd->func_drag = func;
 929         imd->data_drag = data;
 930 }
 931
 932 void image_set_scroll_func(ImageWindow *imd,
 933                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
 934                            gpointer data)
 935 {
 936         imd->func_scroll = func;
 937         imd->data_scroll = data;
 938 }
 939
 940 void image_set_scroll_notify_func(ImageWindow *imd,
 941                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
 942                                   gpointer data)
 943 {
 944         imd->func_scroll_notify = func;
 945         imd->data_scroll_notify = data;
 946 }
 947
 948 /* path, name */
 949
 950 const gchar *image_get_path(ImageWindow *imd)
 951 {
 952         if (imd->image_fd == NULL) return NULL;
 953         return imd->image_fd->path;
 954 }
 955
 956 const gchar *image_get_name(ImageWindow *imd)
 957 {
 958         if (imd->image_fd == NULL) return NULL;
 959         return imd->image_fd->name;
 960 }
 961
 962 FileData *image_get_fd(ImageWindow *imd)
 963 {
 964         return imd->image_fd;
 965 }
 966
 967 /* merely changes path string, does not change the image! */
 968 void image_set_fd(ImageWindow *imd, FileData *fd)
 969 {
 970         if (imd->auto_refresh && imd->image_fd)
 971                 file_data_unregister_real_time_monitor(imd->image_fd);
 972
 973         file_data_unref(imd->image_fd);
 974         imd->image_fd = file_data_ref(fd);
 975
 976         image_update_title(imd);
 977         image_state_set(imd, IMAGE_STATE_IMAGE);
 978
 979         if (imd->auto_refresh && imd->image_fd)
 980                 file_data_register_real_time_monitor(imd->image_fd);
 981 }
 982
 983 /* load a new image */
 984
 985 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
 986 {
 987         if (imd->image_fd == fd) return;
 988
 989         image_change_real(imd, fd, NULL, NULL, zoom);
 990 }
 991
 992 gint image_get_image_size(ImageWindow *imd, gint *width, gint *height)
 993 {
 994         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
 995 }
 996
 997 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
 998 {
 999         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1000 }
1001
1002 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gint lazy)
1003 {
1004
1005
1006         /* read_exif and similar functions can actually notice that the file has changed and triger a notification
1007         that removes the pixbuf from cache and unref it. Therefore we must ref it here before it is taken over by the renderer. */
1008         if (pixbuf) g_object_ref(pixbuf);
1009
1010         if (imd->image_fd)
1011                 {
1012                 if (imd->image_fd->user_orientation)
1013                         {
1014                         imd->orientation = imd->image_fd->user_orientation;
1015                         }
1016                 else if (options->image.exif_rotate_enable)
1017                         {
1018                         imd->orientation = metadata_read_int(imd->image_fd, "Exif.Image.Orientation", EXIF_ORIENTATION_TOP_LEFT);
1019                         imd->image_fd->exif_orientation = imd->orientation;
1020                         }
1021                 }
1022
1023         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1024         if (imd->cm)
1025                 {
1026                 color_man_free(imd->cm);
1027                 imd->cm = NULL;
1028                 }
1029
1030         if (lazy)
1031                 {
1032                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation);
1033                 }
1034         else
1035                 {
1036                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1037                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1038                 }
1039
1040         if (pixbuf) g_object_unref(pixbuf);
1041
1042         if (imd->color_profile_enable)
1043                 {
1044                 ExifData *exif = NULL;
1045
1046                 if (imd->color_profile_use_image) exif = exif_read_fd(imd->image_fd);
1047
1048                 if (!image_post_process_color(imd, 0, exif, FALSE))
1049                         {
1050                         /* fixme: note error to user */
1051 //                      image_state_set(imd, IMAGE_STATE_COLOR_ADJ);
1052                         }
1053                 if (exif) exif_free_fd(imd->image_fd, exif);
1054
1055                 }
1056
1057         if (imd->cm || imd->desaturate)
1058                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1059
1060         image_state_set(imd, IMAGE_STATE_IMAGE);
1061 }
1062
1063 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1064 {
1065         if (!cd || !info || !g_list_find(cd->list, info)) return;
1066
1067         image_change_real(imd, info->fd, cd, info, zoom);
1068 }
1069
1070 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1071 {
1072         if (collection_to_number(imd->collection) >= 0)
1073                 {
1074                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1075                         {
1076                         if (info) *info = imd->collection_info;
1077                         }
1078                 else
1079                         {
1080                         if (info) *info = NULL;
1081                         }
1082                 return imd->collection;
1083                 }
1084
1085         if (info) *info = NULL;
1086         return NULL;
1087 }
1088
1089 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1090 {
1091         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1092                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1093
1094         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1095                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1096 }
1097
1098 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1099 {
1100         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1101                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1102
1103         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1104                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1105
1106         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1107                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1108 }
1109
1110 /* this is more like a move function
1111  * it moves most data from source to imd
1112  */
1113 void image_change_from_image(ImageWindow *imd, ImageWindow *source)
1114 {
1115         if (imd == source) return;
1116
1117         imd->unknown = source->unknown;
1118
1119         imd->collection = source->collection;
1120         imd->collection_info = source->collection_info;
1121
1122         image_loader_free(imd->il);
1123         imd->il = NULL;
1124
1125         image_set_fd(imd, image_get_fd(source));
1126
1127
1128         if (source->il)
1129                 {
1130                 imd->il = source->il;
1131                 source->il = NULL;
1132
1133                 image_loader_sync_data(imd->il, source, imd);
1134
1135                 imd->delay_alter_type = source->delay_alter_type;
1136                 source->delay_alter_type = ALTER_NONE;
1137                 }
1138
1139         imd->color_profile_enable = source->color_profile_enable;
1140         imd->color_profile_input = source->color_profile_input;
1141         imd->color_profile_screen = source->color_profile_screen;
1142         imd->color_profile_use_image = source->color_profile_use_image;
1143         color_man_free((ColorMan *)imd->cm);
1144         imd->cm = NULL;
1145         if (source->cm)
1146                 {
1147                 ColorMan *cm;
1148
1149                 imd->cm = source->cm;
1150                 source->cm = NULL;
1151
1152                 cm = (ColorMan *)imd->cm;
1153                 cm->imd = imd;
1154                 cm->func_done_data = imd;
1155                 }
1156
1157         image_loader_free(imd->read_ahead_il);
1158         imd->read_ahead_il = source->read_ahead_il;
1159         source->read_ahead_il = NULL;
1160         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1161
1162         file_data_unref(imd->read_ahead_fd);
1163         imd->read_ahead_fd = source->read_ahead_fd;
1164         source->read_ahead_fd = NULL;
1165
1166         imd->completed = source->completed;
1167         imd->state = source->state;
1168         source->state = IMAGE_STATE_NONE;
1169
1170         imd->orientation = source->orientation;
1171         imd->desaturate = source->desaturate;
1172
1173         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1174
1175         if (imd->cm || imd->desaturate)
1176                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1177         else
1178                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1179
1180 }
1181
1182 /* manipulation */
1183
1184 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1185 {
1186         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1187 }
1188
1189 void image_reload(ImageWindow *imd)
1190 {
1191         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1192
1193         image_change_complete(imd, image_zoom_get(imd), FALSE);
1194 }
1195
1196 void image_scroll(ImageWindow *imd, gint x, gint y)
1197 {
1198         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1199 }
1200
1201 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1202                            gdouble x_align, gdouble y_align)
1203 {
1204         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1205 }
1206
1207 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1208 {
1209         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1210 }
1211
1212 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1213 {
1214         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1215 }
1216
1217 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1218 {
1219         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1220 }
1221
1222 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1223 {
1224         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1225 }
1226
1227 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1228 {
1229         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1230 }
1231
1232 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1233 {
1234         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1235 }
1236
1237 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1238 {
1239         PixbufRenderer *pr;
1240         gdouble zoom;
1241         gint width, height;
1242
1243         pr = (PixbufRenderer *)imd->pr;
1244
1245         if (!pixbuf_renderer_get_pixbuf(pr) ||
1246             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1247
1248         if (vertical)
1249                 {
1250                 zoom = (gdouble)pr->window_height / height;
1251                 }
1252         else
1253                 {
1254                 zoom = (gdouble)pr->window_width / width;
1255                 }
1256
1257         if (zoom < 1.0)
1258                 {
1259                 zoom = 0.0 - 1.0 / zoom;
1260                 }
1261
1262         pixbuf_renderer_zoom_set(pr, zoom);
1263 }
1264
1265 gdouble image_zoom_get(ImageWindow *imd)
1266 {
1267         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1268 }
1269
1270 gdouble image_zoom_get_real(ImageWindow *imd)
1271 {
1272         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1273 }
1274
1275 gchar *image_zoom_get_as_text(ImageWindow *imd)
1276 {
1277         gdouble zoom;
1278         gdouble scale;
1279         gdouble l = 1.0;
1280         gdouble r = 1.0;
1281         gint pl = 0;
1282         gint pr = 0;
1283         gchar *approx = " ";
1284
1285         zoom = image_zoom_get(imd);
1286         scale = image_zoom_get_real(imd);
1287
1288         if (zoom > 0.0)
1289                 {
1290                 l = zoom;
1291                 }
1292         else if (zoom < 0.0)
1293                 {
1294                 r = 0.0 - zoom;
1295                 }
1296         else if (zoom == 0.0 && scale != 0.0)
1297                 {
1298                 if (scale >= 1.0)
1299                         {
1300                         l = scale;
1301                         }
1302                 else
1303                         {
1304                         r = 1.0 / scale;
1305                         }
1306                 approx = "~";
1307                 }
1308
1309         if (rint(l) != l) pl = 1;
1310         if (rint(r) != r) pr = 1;
1311
1312         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1313 }
1314
1315 gdouble image_zoom_get_default(ImageWindow *imd)
1316 {
1317         gdouble zoom = 1.0;
1318
1319         switch (options->image.zoom_mode)
1320         {
1321         case ZOOM_RESET_ORIGINAL:
1322                 break;
1323         case ZOOM_RESET_FIT_WINDOW:
1324                 zoom = 0.0;
1325                 break;
1326         case ZOOM_RESET_NONE:
1327                 if (imd) zoom = image_zoom_get(imd);
1328                 break;
1329         }
1330
1331         return zoom;
1332 }
1333
1334 /* read ahead */
1335
1336 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1337 {
1338         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1339
1340         if (fd)
1341                 {
1342                 if (!file_cache_get(image_get_cache(), fd))
1343                         {
1344                         image_read_ahead_set(imd, fd);
1345                         }
1346                 }
1347         else
1348                 {
1349                 image_read_ahead_cancel(imd);
1350                 }
1351 }
1352
1353 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1354 {
1355         ImageWindow *imd = data;
1356
1357         if (!imd || !image_get_pixbuf(imd) ||
1358             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1359             !imd->image_fd || /* nothing to reload */
1360             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1361             ) return;
1362
1363         if (type == NOTIFY_TYPE_REREAD && fd == imd->image_fd)
1364                 {
1365                 image_reload(imd);
1366                 }
1367 }
1368
1369 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1370 {
1371         if (!enable && imd->auto_refresh && imd->image_fd)
1372                 file_data_unregister_real_time_monitor(imd->image_fd);
1373
1374         if (enable && !imd->auto_refresh && imd->image_fd)
1375                 file_data_register_real_time_monitor(imd->image_fd);
1376
1377         imd->auto_refresh = enable;
1378 }
1379
1380 void image_top_window_set_sync(ImageWindow *imd, gint allow_sync)
1381 {
1382         imd->top_window_sync = allow_sync;
1383
1384         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1385 }
1386
1387 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1388 {
1389         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1390 }
1391
1392 void image_color_profile_set(ImageWindow *imd,
1393                              gint input_type, gint screen_type,
1394                              gint use_image)
1395 {
1396         if (!imd) return;
1397
1398         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS ||
1399             screen_type < 0 || screen_type > 1)
1400                 {
1401                 return;
1402                 }
1403
1404         imd->color_profile_input = input_type;
1405         imd->color_profile_screen = screen_type;
1406         imd->color_profile_use_image = use_image;
1407 }
1408
1409 gint image_color_profile_get(ImageWindow *imd,
1410                              gint *input_type, gint *screen_type,
1411                              gint *use_image)
1412 {
1413         if (!imd) return FALSE;
1414
1415         if (input_type) *input_type = imd->color_profile_input;
1416         if (screen_type) *screen_type = imd->color_profile_screen;
1417         if (use_image) *use_image = imd->color_profile_use_image;
1418
1419         return TRUE;
1420 }
1421
1422 void image_color_profile_set_use(ImageWindow *imd, gint enable)
1423 {
1424         if (!imd) return;
1425
1426         if (imd->color_profile_enable == enable) return;
1427
1428         imd->color_profile_enable = enable;
1429 }
1430
1431 gint image_color_profile_get_use(ImageWindow *imd)
1432 {
1433         if (!imd) return FALSE;
1434
1435         return imd->color_profile_enable;
1436 }
1437
1438 gint image_color_profile_get_from_image(ImageWindow *imd)
1439 {
1440         if (!imd) return FALSE;
1441
1442         return imd->color_profile_from_image;
1443 }
1444
1445 void image_set_delay_flip(ImageWindow *imd, gint delay)
1446 {
1447         if (!imd ||
1448             imd->delay_flip == delay) return;
1449
1450         imd->delay_flip = delay;
1451
1452         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1453
1454         if (!imd->delay_flip && imd->il)
1455                 {
1456                 PixbufRenderer *pr;
1457
1458                 pr = PIXBUF_RENDERER(imd->pr);
1459                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1460                 pr->pixbuf = NULL;
1461
1462                 image_load_pixbuf_ready(imd);
1463                 }
1464 }
1465
1466 void image_to_root_window(ImageWindow *imd, gint scaled)
1467 {
1468         GdkScreen *screen;
1469         GdkWindow *rootwindow;
1470         GdkPixmap *pixmap;
1471         GdkPixbuf *pixbuf;
1472         GdkPixbuf *pb;
1473         gint width, height;
1474
1475         if (!imd) return;
1476
1477         pixbuf = image_get_pixbuf(imd);
1478         if (!pixbuf) return;
1479
1480         screen = gtk_widget_get_screen(imd->widget);
1481         rootwindow = gdk_screen_get_root_window(screen);
1482         if (gdk_drawable_get_visual(rootwindow) != gdk_visual_get_system()) return;
1483
1484         if (scaled)
1485                 {
1486                 width = gdk_screen_width();
1487                 height = gdk_screen_height();
1488                 }
1489         else
1490                 {
1491                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1492                 }
1493
1494         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1495
1496         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1497         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1498         gdk_window_clear(rootwindow);
1499         g_object_unref(pb);
1500         g_object_unref(pixmap);
1501
1502         gdk_flush();
1503 }
1504
1505 void image_select(ImageWindow *imd, gboolean select)
1506 {
1507         if (imd->has_frame)
1508                 {
1509                 if (select)
1510                         {
1511                         gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1512                         gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1513                         }
1514                 else
1515                         gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1516                 }
1517 }
1518
1519
1520
1521 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1522 {
1523         if (imd->has_frame)
1524                 {
1525                 if (selectable)
1526                         {
1527                         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1528                         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), 4);
1529                         }
1530                 else
1531                         {
1532                         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1533                         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), 0);
1534                         }
1535                 }
1536 }
1537
1538 /*
1539  *-------------------------------------------------------------------
1540  * prefs sync
1541  *-------------------------------------------------------------------
1542  */
1543
1544 static void image_options_set(ImageWindow *imd)
1545 {
1546         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1547                                         "zoom_2pass", options->image.zoom_2pass,
1548                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1549                                         "dither_quality", options->image.dither_quality,
1550                                         "scroll_reset", options->image.scroll_reset_method,
1551                                         "cache_display", options->image.tile_cache_max,
1552                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1553                                         "window_limit", options->image.limit_window_size,
1554                                         "window_limit_value", options->image.max_window_size,
1555                                         "autofit_limit", options->image.limit_autofit_size,
1556                                         "autofit_limit_value", options->image.max_autofit_size,
1557
1558                                         NULL);
1559
1560         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1561 }
1562
1563 void image_options_sync(void)
1564 {
1565         GList *work;
1566
1567         work = image_list;
1568         while (work)
1569                 {
1570                 ImageWindow *imd;
1571
1572                 imd = work->data;
1573                 work = work->next;
1574
1575                 image_options_set(imd);
1576                 }
1577 }
1578
1579 /*
1580  *-------------------------------------------------------------------
1581  * init / destroy
1582  *-------------------------------------------------------------------
1583  */
1584
1585 static void image_free(ImageWindow *imd)
1586 {
1587         image_list = g_list_remove(image_list, imd);
1588
1589         if (imd->auto_refresh && imd->image_fd)
1590                 file_data_unregister_real_time_monitor(imd->image_fd);
1591
1592         file_data_unregister_notify_func(image_notify_cb, imd);
1593
1594         image_reset(imd);
1595
1596         image_read_ahead_cancel(imd);
1597
1598         file_data_unref(imd->image_fd);
1599         g_free(imd->title);
1600         g_free(imd->title_right);
1601         g_free(imd);
1602 }
1603
1604 static void image_destroy_cb(GtkObject *widget, gpointer data)
1605 {
1606         ImageWindow *imd = data;
1607         image_free(imd);
1608 }
1609
1610 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1611 {
1612         gtk_paint_flat_box(widget->style,
1613                            widget->window,
1614                            widget->state,
1615                            (GTK_FRAME(widget))->shadow_type,
1616                            NULL,
1617                            widget,
1618                            NULL,
1619                            widget->allocation.x + 3, widget->allocation.y + 3,
1620                            widget->allocation.width - 6, widget->allocation.height - 6);
1621
1622
1623         return FALSE;
1624 }
1625
1626
1627 void image_set_frame(ImageWindow *imd, gboolean frame)
1628 {
1629         frame = !!frame;
1630
1631         if (frame == imd->has_frame) return;
1632
1633         gtk_widget_hide(imd->pr);
1634
1635         if (frame)
1636                 {
1637                 imd->frame = gtk_frame_new(NULL);
1638 #if GTK_CHECK_VERSION(2,12,0)
1639         g_object_ref(imd->pr);
1640 #else
1641         gtk_widget_ref(imd->pr);
1642 #endif
1643                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1644                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1645
1646 #if GTK_CHECK_VERSION(2,12,0)
1647         g_object_unref(imd->pr);
1648 #else
1649         gtk_widget_unref(imd->pr);
1650 #endif
1651                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1652                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1653
1654                 GTK_WIDGET_SET_FLAGS(imd->frame, GTK_CAN_FOCUS);
1655                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1656                                  G_CALLBACK(image_focus_in_cb), imd);
1657                 g_signal_connect(G_OBJECT(imd->frame), "focus_out_event",
1658                                  G_CALLBACK(image_focus_out_cb), imd);
1659
1660                 g_signal_connect_after(G_OBJECT(imd->frame), "expose_event",
1661                                        G_CALLBACK(image_focus_expose), imd);
1662
1663 #if GTK_CHECK_VERSION(2,14,0)
1664         gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1665 #else
1666         gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->frame);
1667 #endif
1668         gtk_widget_show(imd->frame);
1669                 }
1670         else
1671                 {
1672 #if GTK_CHECK_VERSION(2,12,0)
1673                 g_object_ref(imd->pr);
1674 #else
1675                 gtk_widget_ref(imd->pr);
1676 #endif
1677                 if (imd->frame)
1678                         {
1679                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1680                         gtk_widget_destroy(imd->frame);
1681                         imd->frame = NULL;
1682                         }
1683 #if GTK_CHECK_VERSION(2,14,0)
1684         gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1685 #else
1686                 gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->pr);
1687 #endif
1688
1689 #if GTK_CHECK_VERSION(2,12,0)
1690         g_object_unref(imd->pr);
1691 #else
1692         gtk_widget_unref(imd->pr);
1693 #endif
1694                 }
1695
1696         gtk_widget_show(imd->pr);
1697
1698         imd->has_frame = frame;
1699 }
1700
1701 ImageWindow *image_new(gint frame)
1702 {
1703         ImageWindow *imd;
1704
1705         imd = g_new0(ImageWindow, 1);
1706
1707         imd->top_window = NULL;
1708         imd->title = NULL;
1709         imd->title_right = NULL;
1710         imd->title_show_zoom = FALSE;
1711
1712         imd->unknown = TRUE;
1713
1714         imd->has_frame = -1; /* not initialized; for image_set_frame */
1715         imd->top_window_sync = FALSE;
1716
1717         imd->delay_alter_type = ALTER_NONE;
1718
1719         imd->read_ahead_il = NULL;
1720         imd->read_ahead_fd = NULL;
1721
1722         imd->completed = FALSE;
1723         imd->state = IMAGE_STATE_NONE;
1724
1725         imd->color_profile_enable = FALSE;
1726         imd->color_profile_input = 0;
1727         imd->color_profile_screen = 0;
1728         imd->color_profile_use_image = FALSE;
1729         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1730
1731         imd->auto_refresh = FALSE;
1732
1733         imd->delay_flip = FALSE;
1734
1735         imd->func_update = NULL;
1736         imd->func_complete = NULL;
1737         imd->func_tile_request = NULL;
1738         imd->func_tile_dispose = NULL;
1739
1740         imd->func_button = NULL;
1741         imd->func_scroll = NULL;
1742
1743         imd->orientation = 1;
1744
1745         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1746
1747         image_options_set(imd);
1748
1749
1750         imd->widget = gtk_vbox_new(0, 0);
1751
1752         image_set_frame(imd, frame);
1753
1754         image_set_selectable(imd, 0);
1755
1756         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1757                          G_CALLBACK(image_click_cb), imd);
1758         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1759                          G_CALLBACK(image_scroll_notify_cb), imd);
1760
1761         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1762                          G_CALLBACK(image_scroll_cb), imd);
1763
1764         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1765                          G_CALLBACK(image_destroy_cb), imd);
1766
1767         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1768                          G_CALLBACK(image_zoom_cb), imd);
1769         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1770                          G_CALLBACK(image_render_complete_cb), imd);
1771         g_signal_connect(G_OBJECT(imd->pr), "drag",
1772                          G_CALLBACK(image_drag_cb), imd);
1773
1774         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
1775
1776         image_list = g_list_append(image_list, imd);
1777
1778         return imd;
1779 }
1780 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */