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 /* this read ahead is located here merely for the callbacks, above */
 588
 589 static gint image_read_ahead_check(ImageWindow *imd)
 590 {
 591         if (!imd->read_ahead_fd) return FALSE;
 592         if (imd->il) return FALSE;
 593
 594         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 595                 {
 596                 image_read_ahead_cancel(imd);
 597                 return FALSE;
 598                 }
 599
 600         if (imd->read_ahead_il)
 601                 {
 602                 imd->il = imd->read_ahead_il;
 603                 imd->read_ahead_il = NULL;
 604
 605                 /* override the old signals */
 606                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 607                 g_signal_connect (G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 608                 g_signal_connect (G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 609                 g_signal_connect (G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 610
 611                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 612                 image_state_set(imd, IMAGE_STATE_LOADING);
 613
 614                 if (!imd->delay_flip)
 615                         {
 616                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 617                         }
 618
 619                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 620
 621                 file_data_unref(imd->read_ahead_fd);
 622                 imd->read_ahead_fd = NULL;
 623                 return TRUE;
 624                 }
 625         else if (imd->read_ahead_fd->pixbuf)
 626                 {
 627                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 628
 629                 file_data_unref(imd->read_ahead_fd);
 630                 imd->read_ahead_fd = NULL;
 631
 632 //              image_post_process(imd, FALSE);
 633                 return TRUE;
 634                 }
 635
 636         image_read_ahead_cancel(imd);
 637         return FALSE;
 638 }
 639
 640 static gint image_load_begin(ImageWindow *imd, FileData *fd)
 641 {
 642         DEBUG_1("%s image begin", get_exec_time());
 643
 644         if (imd->il) return FALSE;
 645
 646         imd->completed = FALSE;
 647         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 648
 649         if (image_cache_get(imd))
 650                 {
 651                 DEBUG_1("from cache: %s", imd->image_fd->path);
 652                 return TRUE;
 653                 }
 654
 655         if (image_read_ahead_check(imd))
 656                 {
 657                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 658                 return TRUE;
 659                 }
 660
 661         if (!imd->delay_flip && image_get_pixbuf(imd))
 662                 {
 663                 PixbufRenderer *pr;
 664
 665                 pr = PIXBUF_RENDERER(imd->pr);
 666                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 667                 pr->pixbuf = NULL;
 668                 }
 669
 670         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 671
 672         imd->il = image_loader_new(fd);
 673
 674         g_signal_connect (G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 675         g_signal_connect (G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 676         g_signal_connect (G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 677
 678         if (!image_loader_start(imd->il))
 679                 {
 680                 DEBUG_1("image start error");
 681
 682                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 683
 684                 image_loader_free(imd->il);
 685                 imd->il = NULL;
 686
 687                 image_complete_util(imd, FALSE);
 688
 689                 return FALSE;
 690                 }
 691
 692         image_state_set(imd, IMAGE_STATE_LOADING);
 693
 694 /*
 695         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 696                 {
 697                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 698                 }
 699 */
 700         return TRUE;
 701 }
 702
 703 static void image_reset(ImageWindow *imd)
 704 {
 705         /* stops anything currently being done */
 706
 707         DEBUG_1("%s image reset", get_exec_time());
 708
 709         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 710
 711         image_loader_free(imd->il);
 712         imd->il = NULL;
 713
 714         color_man_free((ColorMan *)imd->cm);
 715         imd->cm = NULL;
 716
 717         imd->delay_alter_type = ALTER_NONE;
 718
 719         image_state_set(imd, IMAGE_STATE_NONE);
 720 }
 721
 722 /*
 723  *-------------------------------------------------------------------
 724  * image changer
 725  *-------------------------------------------------------------------
 726  */
 727
 728 static void image_change_complete(ImageWindow *imd, gdouble zoom, gint new)
 729 {
 730         image_reset(imd);
 731         imd->unknown = TRUE;
 732
 733         if (!imd->image_fd)
 734                 {
 735                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 736                 }
 737         else
 738                 {
 739
 740                 if (isfile(imd->image_fd->path))
 741                         {
 742                         PixbufRenderer *pr;
 743
 744                         pr = PIXBUF_RENDERER(imd->pr);
 745                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 746
 747                         if (image_load_begin(imd, imd->image_fd))
 748                                 {
 749                                 imd->unknown = FALSE;
 750                                 }
 751                         }
 752
 753                 if (imd->unknown == TRUE)
 754                         {
 755                         GdkPixbuf *pixbuf;
 756
 757                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 758                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 759                         g_object_unref(pixbuf);
 760                         }
 761                 }
 762
 763         image_update_util(imd);
 764 }
 765
 766 static void image_change_real(ImageWindow *imd, FileData *fd,
 767                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 768 {
 769
 770         imd->collection = cd;
 771         imd->collection_info = info;
 772
 773         if (imd->auto_refresh && imd->image_fd)
 774                 file_data_unregister_real_time_monitor(imd->image_fd);
 775
 776         file_data_unref(imd->image_fd);
 777         imd->image_fd = file_data_ref(fd);
 778
 779
 780         image_change_complete(imd, zoom, TRUE);
 781
 782         image_update_title(imd);
 783         image_state_set(imd, IMAGE_STATE_IMAGE);
 784
 785         if (imd->auto_refresh && imd->image_fd)
 786                 file_data_register_real_time_monitor(imd->image_fd);
 787 }
 788
 789 /*
 790  *-------------------------------------------------------------------
 791  * focus stuff
 792  *-------------------------------------------------------------------
 793  */
 794
 795 static void image_focus_paint(ImageWindow *imd, gint has_focus, GdkRectangle *area)
 796 {
 797         GtkWidget *widget;
 798
 799         widget = imd->widget;
 800         if (!widget->window) return;
 801
 802         if (has_focus)
 803                 {
 804                 gtk_paint_focus(widget->style, widget->window, GTK_STATE_ACTIVE,
 805                                 area, widget, "image_window",
 806                                 widget->allocation.x, widget->allocation.y,
 807                                 widget->allocation.width - 1, widget->allocation.height - 1);
 808                 }
 809         else
 810                 {
 811                 gtk_paint_shadow(widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN,
 812                                  area, widget, "image_window",
 813                                  widget->allocation.x, widget->allocation.y,
 814                                  widget->allocation.width - 1, widget->allocation.height - 1);
 815                 }
 816 }
 817
 818 static gint image_focus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 819 {
 820         ImageWindow *imd = data;
 821
 822         image_focus_paint(imd, GTK_WIDGET_HAS_FOCUS(widget), &event->area);
 823         return TRUE;
 824 }
 825
 826 static gint image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 827 {
 828         ImageWindow *imd = data;
 829
 830         GTK_WIDGET_SET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 831         image_focus_paint(imd, TRUE, NULL);
 832
 833         return TRUE;
 834 }
 835
 836 static gint image_focus_out_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 837 {
 838         ImageWindow *imd = data;
 839
 840         GTK_WIDGET_UNSET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 841         image_focus_paint(imd, FALSE, NULL);
 842
 843         return TRUE;
 844 }
 845
 846 static gint image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 847 {
 848         ImageWindow *imd = data;
 849
 850         if (imd->func_scroll &&
 851             event && event->type == GDK_SCROLL)
 852                 {
 853                 imd->func_scroll(imd, event, imd->data_scroll);
 854                 return TRUE;
 855                 }
 856
 857         return FALSE;
 858 }
 859
 860 /*
 861  *-------------------------------------------------------------------
 862  * public interface
 863  *-------------------------------------------------------------------
 864  */
 865
 866 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 867                          const gchar *title, const gchar *title_right, gint show_zoom)
 868 {
 869         imd->top_window = window;
 870         g_free(imd->title);
 871         imd->title = g_strdup(title);
 872         g_free(imd->title_right);
 873         imd->title_right = g_strdup(title_right);
 874         imd->title_show_zoom = show_zoom;
 875
 876         if (!options->image.fit_window_to_image) window = NULL;
 877
 878         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 879
 880         image_update_title(imd);
 881 }
 882
 883 void image_set_update_func(ImageWindow *imd,
 884                            void (*func)(ImageWindow *imd, gpointer data),
 885                            gpointer data)
 886 {
 887         imd->func_update = func;
 888         imd->data_update = data;
 889 }
 890
 891 void image_set_complete_func(ImageWindow *imd,
 892                              void (*func)(ImageWindow *imd, gint preload, gpointer data),
 893                              gpointer data)
 894 {
 895         imd->func_complete = func;
 896         imd->data_complete = data;
 897 }
 898
 899 void image_set_state_func(ImageWindow *imd,
 900                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
 901                         gpointer data)
 902 {
 903         imd->func_state = func;
 904         imd->data_state = data;
 905 }
 906
 907
 908 void image_set_button_func(ImageWindow *imd,
 909                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
 910                            gpointer data)
 911 {
 912         imd->func_button = func;
 913         imd->data_button = data;
 914 }
 915
 916 void image_set_drag_func(ImageWindow *imd,
 917                            void (*func)(ImageWindow *, GdkEventButton *event, gdouble dx, gdouble dy, gpointer),
 918                            gpointer data)
 919 {
 920         imd->func_drag = func;
 921         imd->data_drag = data;
 922 }
 923
 924 void image_set_scroll_func(ImageWindow *imd,
 925                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
 926                            gpointer data)
 927 {
 928         imd->func_scroll = func;
 929         imd->data_scroll = data;
 930 }
 931
 932 void image_set_scroll_notify_func(ImageWindow *imd,
 933                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
 934                                   gpointer data)
 935 {
 936         imd->func_scroll_notify = func;
 937         imd->data_scroll_notify = data;
 938 }
 939
 940 /* path, name */
 941
 942 const gchar *image_get_path(ImageWindow *imd)
 943 {
 944         if (imd->image_fd == NULL) return NULL;
 945         return imd->image_fd->path;
 946 }
 947
 948 const gchar *image_get_name(ImageWindow *imd)
 949 {
 950         if (imd->image_fd == NULL) return NULL;
 951         return imd->image_fd->name;
 952 }
 953
 954 FileData *image_get_fd(ImageWindow *imd)
 955 {
 956         return imd->image_fd;
 957 }
 958
 959 /* merely changes path string, does not change the image! */
 960 void image_set_fd(ImageWindow *imd, FileData *fd)
 961 {
 962         if (imd->auto_refresh && imd->image_fd)
 963                 file_data_unregister_real_time_monitor(imd->image_fd);
 964
 965         file_data_unref(imd->image_fd);
 966         imd->image_fd = file_data_ref(fd);
 967
 968         image_update_title(imd);
 969         image_state_set(imd, IMAGE_STATE_IMAGE);
 970
 971         if (imd->auto_refresh && imd->image_fd)
 972                 file_data_register_real_time_monitor(imd->image_fd);
 973 }
 974
 975 /* load a new image */
 976
 977 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
 978 {
 979         if (imd->image_fd == fd) return;
 980
 981         image_change_real(imd, fd, NULL, NULL, zoom);
 982 }
 983
 984 gint image_get_image_size(ImageWindow *imd, gint *width, gint *height)
 985 {
 986         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
 987 }
 988
 989 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
 990 {
 991         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
 992 }
 993
 994 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gint lazy)
 995 {
 996
 997
 998         /* read_exif and similar functions can actually notice that the file has changed and triger a notification
 999         that removes the pixbuf from cache and unref it. Therefore we must ref it here before it is taken over by the renderer. */
1000         if (pixbuf) g_object_ref(pixbuf);
1001
1002         if (imd->image_fd)
1003                 {
1004                 if (imd->image_fd->user_orientation)
1005                         {
1006                         imd->orientation = imd->image_fd->user_orientation;
1007                         }
1008                 else if (options->image.exif_rotate_enable)
1009                         {
1010                         imd->orientation = metadata_read_int(imd->image_fd, "Exif.Image.Orientation", EXIF_ORIENTATION_TOP_LEFT);
1011                         imd->image_fd->exif_orientation = imd->orientation;
1012                         }
1013                 }
1014
1015         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1016         if (imd->cm)
1017                 {
1018                 color_man_free(imd->cm);
1019                 imd->cm = NULL;
1020                 }
1021
1022         if (lazy)
1023                 {
1024                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation);
1025                 }
1026         else
1027                 {
1028                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1029                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1030                 }
1031
1032         if (pixbuf) g_object_unref(pixbuf);
1033
1034         if (imd->color_profile_enable)
1035                 {
1036                 ExifData *exif = NULL;
1037
1038                 if (imd->color_profile_use_image) exif = exif_read_fd(imd->image_fd);
1039
1040                 if (!image_post_process_color(imd, 0, exif, FALSE))
1041                         {
1042                         /* fixme: note error to user */
1043 //                      image_state_set(imd, IMAGE_STATE_COLOR_ADJ);
1044                         }
1045                 if (exif) exif_free_fd(imd->image_fd, exif);
1046
1047                 }
1048
1049         if (imd->cm || imd->desaturate)
1050                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1051
1052         image_state_set(imd, IMAGE_STATE_IMAGE);
1053 }
1054
1055 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1056 {
1057         if (!cd || !info || !g_list_find(cd->list, info)) return;
1058
1059         image_change_real(imd, info->fd, cd, info, zoom);
1060 }
1061
1062 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1063 {
1064         if (collection_to_number(imd->collection) >= 0)
1065                 {
1066                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1067                         {
1068                         if (info) *info = imd->collection_info;
1069                         }
1070                 else
1071                         {
1072                         if (info) *info = NULL;
1073                         }
1074                 return imd->collection;
1075                 }
1076
1077         if (info) *info = NULL;
1078         return NULL;
1079 }
1080
1081 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1082 {
1083         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1084                 g_signal_connect (G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1085
1086         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1087                 g_signal_connect (G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1088 }
1089
1090 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1091 {
1092         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1093                 g_signal_connect (G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1094
1095         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1096                 g_signal_connect (G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1097
1098         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1099                 g_signal_connect (G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1100 }
1101
1102 /* this is more like a move function
1103  * it moves most data from source to imd
1104  */
1105 void image_change_from_image(ImageWindow *imd, ImageWindow *source)
1106 {
1107         if (imd == source) return;
1108
1109         imd->unknown = source->unknown;
1110
1111         imd->collection = source->collection;
1112         imd->collection_info = source->collection_info;
1113
1114         image_loader_free(imd->il);
1115         imd->il = NULL;
1116
1117         image_set_fd(imd, image_get_fd(source));
1118
1119
1120         if (source->il)
1121                 {
1122                 imd->il = source->il;
1123                 source->il = NULL;
1124
1125                 image_loader_sync_data(imd->il, source, imd);
1126
1127                 imd->delay_alter_type = source->delay_alter_type;
1128                 source->delay_alter_type = ALTER_NONE;
1129                 }
1130
1131         imd->color_profile_enable = source->color_profile_enable;
1132         imd->color_profile_input = source->color_profile_input;
1133         imd->color_profile_screen = source->color_profile_screen;
1134         imd->color_profile_use_image = source->color_profile_use_image;
1135         color_man_free((ColorMan *)imd->cm);
1136         imd->cm = NULL;
1137         if (source->cm)
1138                 {
1139                 ColorMan *cm;
1140
1141                 imd->cm = source->cm;
1142                 source->cm = NULL;
1143
1144                 cm = (ColorMan *)imd->cm;
1145                 cm->imd = imd;
1146                 cm->func_done_data = imd;
1147                 }
1148
1149         image_loader_free(imd->read_ahead_il);
1150         imd->read_ahead_il = source->read_ahead_il;
1151         source->read_ahead_il = NULL;
1152         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1153
1154         file_data_unref(imd->read_ahead_fd);
1155         imd->read_ahead_fd = source->read_ahead_fd;
1156         source->read_ahead_fd = NULL;
1157
1158         imd->completed = source->completed;
1159         imd->state = source->state;
1160         source->state = IMAGE_STATE_NONE;
1161
1162         imd->orientation = source->orientation;
1163         imd->desaturate = source->desaturate;
1164
1165         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1166
1167         if (imd->cm || imd->desaturate)
1168                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1169         else
1170                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1171
1172 }
1173
1174 /* manipulation */
1175
1176 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1177 {
1178         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1179 }
1180
1181 void image_reload(ImageWindow *imd)
1182 {
1183         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1184
1185         image_change_complete(imd, image_zoom_get(imd), FALSE);
1186 }
1187
1188 void image_scroll(ImageWindow *imd, gint x, gint y)
1189 {
1190         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1191 }
1192
1193 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1194                            gdouble x_align, gdouble y_align)
1195 {
1196         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1197 }
1198
1199 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1200 {
1201         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1202 }
1203
1204 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1205 {
1206         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1207 }
1208
1209 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1210 {
1211         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1212 }
1213
1214 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1215 {
1216         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1217 }
1218
1219 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1220 {
1221         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1222 }
1223
1224 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1225 {
1226         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1227 }
1228
1229 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1230 {
1231         PixbufRenderer *pr;
1232         gdouble zoom;
1233         gint width, height;
1234
1235         pr = (PixbufRenderer *)imd->pr;
1236
1237         if (!pixbuf_renderer_get_pixbuf(pr) ||
1238             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1239
1240         if (vertical)
1241                 {
1242                 zoom = (gdouble)pr->window_height / height;
1243                 }
1244         else
1245                 {
1246                 zoom = (gdouble)pr->window_width / width;
1247                 }
1248
1249         if (zoom < 1.0)
1250                 {
1251                 zoom = 0.0 - 1.0 / zoom;
1252                 }
1253
1254         pixbuf_renderer_zoom_set(pr, zoom);
1255 }
1256
1257 gdouble image_zoom_get(ImageWindow *imd)
1258 {
1259         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1260 }
1261
1262 gdouble image_zoom_get_real(ImageWindow *imd)
1263 {
1264         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1265 }
1266
1267 gchar *image_zoom_get_as_text(ImageWindow *imd)
1268 {
1269         gdouble zoom;
1270         gdouble scale;
1271         gdouble l = 1.0;
1272         gdouble r = 1.0;
1273         gint pl = 0;
1274         gint pr = 0;
1275         gchar *approx = " ";
1276
1277         zoom = image_zoom_get(imd);
1278         scale = image_zoom_get_real(imd);
1279
1280         if (zoom > 0.0)
1281                 {
1282                 l = zoom;
1283                 }
1284         else if (zoom < 0.0)
1285                 {
1286                 r = 0.0 - zoom;
1287                 }
1288         else if (zoom == 0.0 && scale != 0.0)
1289                 {
1290                 if (scale >= 1.0)
1291                         {
1292                         l = scale;
1293                         }
1294                 else
1295                         {
1296                         r = 1.0 / scale;
1297                         }
1298                 approx = "~";
1299                 }
1300
1301         if (rint(l) != l) pl = 1;
1302         if (rint(r) != r) pr = 1;
1303
1304         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1305 }
1306
1307 gdouble image_zoom_get_default(ImageWindow *imd)
1308 {
1309         gdouble zoom = 1.0;
1310
1311         switch (options->image.zoom_mode)
1312         {
1313         case ZOOM_RESET_ORIGINAL:
1314                 break;
1315         case ZOOM_RESET_FIT_WINDOW:
1316                 zoom = 0.0;
1317                 break;
1318         case ZOOM_RESET_NONE:
1319                 if (imd) zoom = image_zoom_get(imd);
1320                 break;
1321         }
1322
1323         return zoom;
1324 }
1325
1326 /* read ahead */
1327
1328 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1329 {
1330         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1331
1332         if (fd)
1333                 {
1334                 if (!file_cache_get(image_get_cache(), fd))
1335                         {
1336                         image_read_ahead_set(imd, fd);
1337                         }
1338                 }
1339         else
1340                 {
1341                 image_read_ahead_cancel(imd);
1342                 }
1343 }
1344
1345 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1346 {
1347         ImageWindow *imd = data;
1348
1349         if (!imd || !image_get_pixbuf(imd) ||
1350             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1351             !imd->image_fd || /* nothing to reload */
1352             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1353             ) return;
1354
1355         if (type == NOTIFY_TYPE_REREAD && fd == imd->image_fd)
1356                 {
1357                 image_reload(imd);
1358                 }
1359 }
1360
1361 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1362 {
1363         if (!enable && imd->auto_refresh && imd->image_fd)
1364                 file_data_unregister_real_time_monitor(imd->image_fd);
1365
1366         if (enable && !imd->auto_refresh && imd->image_fd)
1367                 file_data_register_real_time_monitor(imd->image_fd);
1368
1369         imd->auto_refresh = enable;
1370 }
1371
1372 void image_top_window_set_sync(ImageWindow *imd, gint allow_sync)
1373 {
1374         imd->top_window_sync = allow_sync;
1375
1376         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1377 }
1378
1379 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1380 {
1381         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1382 }
1383
1384 void image_color_profile_set(ImageWindow *imd,
1385                              gint input_type, gint screen_type,
1386                              gint use_image)
1387 {
1388         if (!imd) return;
1389
1390         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS ||
1391             screen_type < 0 || screen_type > 1)
1392                 {
1393                 return;
1394                 }
1395
1396         imd->color_profile_input = input_type;
1397         imd->color_profile_screen = screen_type;
1398         imd->color_profile_use_image = use_image;
1399 }
1400
1401 gint image_color_profile_get(ImageWindow *imd,
1402                              gint *input_type, gint *screen_type,
1403                              gint *use_image)
1404 {
1405         if (!imd) return FALSE;
1406
1407         if (input_type) *input_type = imd->color_profile_input;
1408         if (screen_type) *screen_type = imd->color_profile_screen;
1409         if (use_image) *use_image = imd->color_profile_use_image;
1410
1411         return TRUE;
1412 }
1413
1414 void image_color_profile_set_use(ImageWindow *imd, gint enable)
1415 {
1416         if (!imd) return;
1417
1418         if (imd->color_profile_enable == enable) return;
1419
1420         imd->color_profile_enable = enable;
1421 }
1422
1423 gint image_color_profile_get_use(ImageWindow *imd)
1424 {
1425         if (!imd) return FALSE;
1426
1427         return imd->color_profile_enable;
1428 }
1429
1430 gint image_color_profile_get_from_image(ImageWindow *imd)
1431 {
1432         if (!imd) return FALSE;
1433
1434         return imd->color_profile_from_image;
1435 }
1436
1437 void image_set_delay_flip(ImageWindow *imd, gint delay)
1438 {
1439         if (!imd ||
1440             imd->delay_flip == delay) return;
1441
1442         imd->delay_flip = delay;
1443
1444         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1445
1446         if (!imd->delay_flip && imd->il)
1447                 {
1448                 PixbufRenderer *pr;
1449
1450                 pr = PIXBUF_RENDERER(imd->pr);
1451                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1452                 pr->pixbuf = NULL;
1453
1454                 image_load_pixbuf_ready(imd);
1455                 }
1456 }
1457
1458 void image_to_root_window(ImageWindow *imd, gint scaled)
1459 {
1460         GdkScreen *screen;
1461         GdkWindow *rootwindow;
1462         GdkPixmap *pixmap;
1463         GdkPixbuf *pixbuf;
1464         GdkPixbuf *pb;
1465         gint width, height;
1466
1467         if (!imd) return;
1468
1469         pixbuf = image_get_pixbuf(imd);
1470         if (!pixbuf) return;
1471
1472         screen = gtk_widget_get_screen(imd->widget);
1473         rootwindow = gdk_screen_get_root_window(screen);
1474         if (gdk_drawable_get_visual(rootwindow) != gdk_visual_get_system()) return;
1475
1476         if (scaled)
1477                 {
1478                 width = gdk_screen_width();
1479                 height = gdk_screen_height();
1480                 }
1481         else
1482                 {
1483                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1484                 }
1485
1486         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1487
1488         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1489         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1490         gdk_window_clear(rootwindow);
1491         g_object_unref(pb);
1492         g_object_unref(pixmap);
1493
1494         gdk_flush();
1495 }
1496
1497 void image_select(ImageWindow *imd, gboolean select)
1498 {
1499         if (imd->has_frame)
1500                 {
1501                 if (select)
1502                         {
1503                         gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1504                         gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1505                         }
1506                 else
1507                         gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1508                 }
1509 }
1510
1511
1512
1513 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1514 {
1515         if (imd->has_frame)
1516                 {
1517                 if (selectable)
1518                         {
1519                         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1520                         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), 4);
1521                         }
1522                 else
1523                         {
1524                         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1525                         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), 0);
1526                         }
1527                 }
1528 }
1529
1530 /*
1531  *-------------------------------------------------------------------
1532  * prefs sync
1533  *-------------------------------------------------------------------
1534  */
1535
1536 static void image_options_set(ImageWindow *imd)
1537 {
1538         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1539                                         "zoom_2pass", options->image.zoom_2pass,
1540                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1541                                         "dither_quality", options->image.dither_quality,
1542                                         "scroll_reset", options->image.scroll_reset_method,
1543                                         "cache_display", options->image.tile_cache_max,
1544                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1545                                         "window_limit", options->image.limit_window_size,
1546                                         "window_limit_value", options->image.max_window_size,
1547                                         "autofit_limit", options->image.limit_autofit_size,
1548                                         "autofit_limit_value", options->image.max_autofit_size,
1549
1550                                         NULL);
1551
1552         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1553 }
1554
1555 void image_options_sync(void)
1556 {
1557         GList *work;
1558
1559         work = image_list;
1560         while (work)
1561                 {
1562                 ImageWindow *imd;
1563
1564                 imd = work->data;
1565                 work = work->next;
1566
1567                 image_options_set(imd);
1568                 }
1569 }
1570
1571 /*
1572  *-------------------------------------------------------------------
1573  * init / destroy
1574  *-------------------------------------------------------------------
1575  */
1576
1577 static void image_free(ImageWindow *imd)
1578 {
1579         image_list = g_list_remove(image_list, imd);
1580
1581         if (imd->auto_refresh && imd->image_fd)
1582                 file_data_unregister_real_time_monitor(imd->image_fd);
1583
1584         file_data_unregister_notify_func(image_notify_cb, imd);
1585
1586         image_reset(imd);
1587
1588         image_read_ahead_cancel(imd);
1589
1590         file_data_unref(imd->image_fd);
1591         g_free(imd->title);
1592         g_free(imd->title_right);
1593         g_free(imd);
1594 }
1595
1596 static void image_destroy_cb(GtkObject *widget, gpointer data)
1597 {
1598         ImageWindow *imd = data;
1599         image_free(imd);
1600 }
1601
1602 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1603 {
1604         gtk_paint_flat_box(widget->style,
1605                            widget->window,
1606                            widget->state,
1607                            (GTK_FRAME(widget))->shadow_type,
1608                            NULL,
1609                            widget,
1610                            NULL,
1611                            widget->allocation.x + 3, widget->allocation.y + 3,
1612                            widget->allocation.width - 6, widget->allocation.height - 6);
1613
1614
1615         return FALSE;
1616 }
1617
1618
1619 void image_set_frame(ImageWindow *imd, gboolean frame)
1620 {
1621         frame = !!frame;
1622
1623         if (frame == imd->has_frame) return;
1624
1625         gtk_widget_hide(imd->pr);
1626
1627         if (frame)
1628                 {
1629                 imd->frame = gtk_frame_new(NULL);
1630 #if GTK_CHECK_VERSION(2,12,0)
1631         g_object_ref(imd->pr);
1632 #else
1633         gtk_widget_ref(imd->pr);
1634 #endif
1635                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1636                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1637
1638 #if GTK_CHECK_VERSION(2,12,0)
1639         g_object_unref(imd->pr);
1640 #else
1641         gtk_widget_unref(imd->pr);
1642 #endif
1643                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1644                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1645
1646                 GTK_WIDGET_SET_FLAGS(imd->frame, GTK_CAN_FOCUS);
1647                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1648                                  G_CALLBACK(image_focus_in_cb), imd);
1649                 g_signal_connect(G_OBJECT(imd->frame), "focus_out_event",
1650                                  G_CALLBACK(image_focus_out_cb), imd);
1651
1652                 g_signal_connect_after(G_OBJECT(imd->frame), "expose_event",
1653                                        G_CALLBACK(image_focus_expose), imd);
1654
1655 #if GTK_CHECK_VERSION(2,14,0)
1656         gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1657 #else
1658         gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->frame);
1659 #endif
1660         gtk_widget_show(imd->frame);
1661                 }
1662         else
1663                 {
1664 #if GTK_CHECK_VERSION(2,12,0)
1665                 g_object_ref(imd->pr);
1666 #else
1667                 gtk_widget_ref(imd->pr);
1668 #endif
1669                 if (imd->frame)
1670                         {
1671                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1672                         gtk_widget_destroy(imd->frame);
1673                         imd->frame = NULL;
1674                         }
1675 #if GTK_CHECK_VERSION(2,14,0)
1676         gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1677 #else
1678                 gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->pr);
1679 #endif
1680
1681 #if GTK_CHECK_VERSION(2,12,0)
1682         g_object_unref(imd->pr);
1683 #else
1684         gtk_widget_unref(imd->pr);
1685 #endif
1686                 }
1687
1688         gtk_widget_show(imd->pr);
1689
1690         imd->has_frame = frame;
1691 }
1692
1693 ImageWindow *image_new(gint frame)
1694 {
1695         ImageWindow *imd;
1696
1697         imd = g_new0(ImageWindow, 1);
1698
1699         imd->top_window = NULL;
1700         imd->title = NULL;
1701         imd->title_right = NULL;
1702         imd->title_show_zoom = FALSE;
1703
1704         imd->unknown = TRUE;
1705
1706         imd->has_frame = -1; /* not initialized; for image_set_frame */
1707         imd->top_window_sync = FALSE;
1708
1709         imd->delay_alter_type = ALTER_NONE;
1710
1711         imd->read_ahead_il = NULL;
1712         imd->read_ahead_fd = NULL;
1713
1714         imd->completed = FALSE;
1715         imd->state = IMAGE_STATE_NONE;
1716
1717         imd->color_profile_enable = FALSE;
1718         imd->color_profile_input = 0;
1719         imd->color_profile_screen = 0;
1720         imd->color_profile_use_image = FALSE;
1721         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1722
1723         imd->auto_refresh = FALSE;
1724
1725         imd->delay_flip = FALSE;
1726
1727         imd->func_update = NULL;
1728         imd->func_complete = NULL;
1729         imd->func_tile_request = NULL;
1730         imd->func_tile_dispose = NULL;
1731
1732         imd->func_button = NULL;
1733         imd->func_scroll = NULL;
1734
1735         imd->orientation = 1;
1736
1737         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1738
1739         image_options_set(imd);
1740
1741
1742         imd->widget = gtk_vbox_new(0, 0);
1743
1744         image_set_frame(imd, frame);
1745
1746         image_set_selectable(imd, 0);
1747
1748         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1749                          G_CALLBACK(image_click_cb), imd);
1750         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1751                          G_CALLBACK(image_scroll_notify_cb), imd);
1752
1753         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1754                          G_CALLBACK(image_scroll_cb), imd);
1755
1756         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1757                          G_CALLBACK(image_destroy_cb), imd);
1758
1759         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1760                          G_CALLBACK(image_zoom_cb), imd);
1761         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1762                          G_CALLBACK(image_render_complete_cb), imd);
1763         g_signal_connect(G_OBJECT(imd->pr), "drag",
1764                          G_CALLBACK(image_drag_cb), imd);
1765
1766         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
1767
1768         image_list = g_list_append(image_list, imd);
1769
1770         return imd;
1771 }
1772 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */