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                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 208
 209                 if (!access_file(file, R_OK)) return FALSE;
 210
 211                 input_type = COLOR_PROFILE_FILE;
 212                 input_file = file;
 213                 }
 214         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 215                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 216                 {
 217                 input_type = imd->color_profile_input;
 218                 input_file = NULL;
 219                 }
 220         else
 221                 {
 222                 return FALSE;
 223                 }
 224
 225         if (imd->color_profile_screen == 1 &&
 226             access_file(options->color_profile.screen_file, R_OK))
 227                 {
 228                 screen_type = COLOR_PROFILE_FILE;
 229                 screen_file = options->color_profile.screen_file;
 230                 }
 231         else if (imd->color_profile_screen == 0)
 232                 {
 233                 screen_type = COLOR_PROFILE_SRGB;
 234                 screen_file = NULL;
 235                 }
 236         else
 237                 {
 238                 return FALSE;
 239                 }
 240         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 241
 242         if (imd->color_profile_use_image && exif)
 243                 {
 244                 profile = exif_get_color_profile(exif, &profile_len);
 245                 if (!profile)
 246                         {
 247                         gint cs;
 248                         gchar *interop_index;
 249
 250                         /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 251                         if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 252                         interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 253
 254                         if (cs == 1)
 255                                 {
 256                                 input_type = COLOR_PROFILE_SRGB;
 257                                 input_file = NULL;
 258                                 imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 259
 260                                 DEBUG_1("Found EXIF ColorSpace of sRGB");
 261                                 }
 262                         if (cs == 2 || (interop_index && !strcmp(interop_index, "R03")))
 263                                 {
 264                                 input_type = COLOR_PROFILE_ADOBERGB;
 265                                 input_file = NULL;
 266                                 imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 267
 268                                 DEBUG_1("Found EXIF ColorSpace of AdobeRGB");
 269                                 }
 270
 271                         g_free(interop_index);
 272                         }
 273                 }
 274
 275         if (profile)
 276                 {
 277                 DEBUG_1("Found embedded color profile");
 278                 imd->color_profile_from_image = COLOR_PROFILE_MEM;
 279
 280                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 281                                             profile, profile_len,
 282                                             screen_type, screen_file);
 283                 g_free(profile);
 284                 }
 285         else
 286                 {
 287                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 288                                    input_type, input_file,
 289                                    screen_type, screen_file);
 290                 }
 291
 292         if (cm)
 293                 {
 294                 if (start_row > 0)
 295                         {
 296                         cm->row = start_row;
 297                         cm->incremental_sync = TRUE;
 298                         }
 299
 300                 imd->cm = (gpointer)cm;
 301 #if 0
 302                 if (run_in_bg) color_man_start_bg(imd->cm, image_post_process_color_cb, imd);
 303 #endif
 304                 return TRUE;
 305                 }
 306
 307         return FALSE;
 308 }
 309
 310
 311 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 312 {
 313         ImageWindow *imd = (ImageWindow *)data;
 314         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 315         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 316
 317 }
 318
 319 void image_alter(ImageWindow *imd, AlterType type)
 320 {
 321         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 322         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 323         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 324         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 325         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 326
 327
 328         if (!imd || !imd->pr || !imd->image_fd) return;
 329
 330         if (imd->orientation < 1 || imd->orientation > 8) imd->orientation = 1;
 331
 332         switch (type)
 333                 {
 334                 case ALTER_ROTATE_90:
 335                         imd->orientation = rotate_90[imd->orientation];
 336                         break;
 337                 case ALTER_ROTATE_90_CC:
 338                         imd->orientation = rotate_90_cc[imd->orientation];
 339                         break;
 340                 case ALTER_ROTATE_180:
 341                         imd->orientation = rotate_180[imd->orientation];
 342                         break;
 343                 case ALTER_MIRROR:
 344                         imd->orientation = mirror[imd->orientation];
 345                         break;
 346                 case ALTER_FLIP:
 347                         imd->orientation = flip[imd->orientation];
 348                         break;
 349                 case ALTER_DESATURATE:
 350                         imd->desaturate = !imd->desaturate;
 351                         break;
 352                 case ALTER_NONE:
 353                         imd->orientation = imd->image_fd->exif_orientation ? imd->image_fd->exif_orientation : 1;
 354                         imd->desaturate = FALSE;
 355                         break;
 356                 default:
 357                         return;
 358                         break;
 359                 }
 360
 361         if (type != ALTER_NONE && type != ALTER_DESATURATE)
 362                 {
 363                 if (imd->image_fd->user_orientation == 0) file_data_ref(imd->image_fd);
 364                 imd->image_fd->user_orientation = imd->orientation;
 365                 }
 366         else
 367                 {
 368                 if (imd->image_fd->user_orientation != 0) file_data_unref(imd->image_fd);
 369                 imd->image_fd->user_orientation = 0;
 370                 }
 371
 372         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 373         if (imd->cm || imd->desaturate)
 374                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 375         else
 376                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 377 }
 378
 379
 380 /*
 381  *-------------------------------------------------------------------
 382  * read ahead (prebuffer)
 383  *-------------------------------------------------------------------
 384  */
 385
 386 static void image_read_ahead_cancel(ImageWindow *imd)
 387 {
 388         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 389
 390         image_loader_free(imd->read_ahead_il);
 391         imd->read_ahead_il = NULL;
 392
 393         file_data_unref(imd->read_ahead_fd);
 394         imd->read_ahead_fd = NULL;
 395 }
 396
 397 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 398 {
 399         ImageWindow *imd = data;
 400
 401         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 402
 403         if (!imd->read_ahead_fd->pixbuf)
 404                 {
 405                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 406                 if (imd->read_ahead_fd->pixbuf)
 407                         {
 408                         g_object_ref(imd->read_ahead_fd->pixbuf);
 409                         image_cache_set(imd, imd->read_ahead_fd);
 410                         }
 411                 }
 412         image_loader_free(imd->read_ahead_il);
 413         imd->read_ahead_il = NULL;
 414
 415         image_complete_util(imd, TRUE);
 416 }
 417
 418 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 419 {
 420         /* we even treat errors as success, maybe at least some of the file was ok */
 421         image_read_ahead_done_cb(il, data);
 422 }
 423
 424 static void image_read_ahead_start(ImageWindow *imd)
 425 {
 426         /* already started ? */
 427         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 428
 429         /* still loading ?, do later */
 430         if (imd->il /*|| imd->cm*/) return;
 431
 432         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 433
 434         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 435
 436         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 437
 438         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 439         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 440
 441         if (!image_loader_start(imd->read_ahead_il))
 442                 {
 443                 image_read_ahead_cancel(imd);
 444                 image_complete_util(imd, TRUE);
 445                 }
 446 }
 447
 448 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 449 {
 450         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 451
 452         image_read_ahead_cancel(imd);
 453
 454         imd->read_ahead_fd = file_data_ref(fd);
 455
 456         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 457
 458         image_read_ahead_start(imd);
 459 }
 460
 461 /*
 462  *-------------------------------------------------------------------
 463  * post buffering
 464  *-------------------------------------------------------------------
 465  */
 466
 467 static void image_cache_release_cb(FileData *fd)
 468 {
 469         g_object_unref(fd->pixbuf);
 470         fd->pixbuf = NULL;
 471 }
 472
 473 static FileCacheData *image_get_cache(void)
 474 {
 475         static FileCacheData *cache = NULL;
 476         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 477         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 478         return cache;
 479 }
 480
 481 static void image_cache_set(ImageWindow *imd, FileData *fd)
 482 {
 483         g_assert(fd->pixbuf);
 484
 485         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 486         file_data_send_notification(fd, NOTIFY_TYPE_INTERNAL); /* to update histogram */
 487 }
 488
 489 static gint image_cache_get(ImageWindow *imd)
 490 {
 491         gint success;
 492
 493         success = file_cache_get(image_get_cache(), imd->image_fd);
 494         if (success)
 495                 {
 496                 g_assert(imd->image_fd->pixbuf);
 497                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 498                 }
 499
 500         file_cache_dump(image_get_cache());
 501         return success;
 502 }
 503
 504 /*
 505  *-------------------------------------------------------------------
 506  * loading
 507  *-------------------------------------------------------------------
 508  */
 509
 510 static void image_load_pixbuf_ready(ImageWindow *imd)
 511 {
 512         if (image_get_pixbuf(imd) || !imd->il) return;
 513
 514         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 515 }
 516
 517 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 518 {
 519         ImageWindow *imd = data;
 520         PixbufRenderer *pr;
 521
 522         pr = (PixbufRenderer *)imd->pr;
 523
 524         if (imd->delay_flip &&
 525             pr->pixbuf != image_loader_get_pixbuf(il))
 526                 {
 527                 return;
 528                 }
 529
 530         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 531
 532         pixbuf_renderer_area_changed(pr, x, y, w, h);
 533 }
 534
 535 static void image_load_done_cb(ImageLoader *il, gpointer data)
 536 {
 537         ImageWindow *imd = data;
 538
 539         DEBUG_1("%s image done", get_exec_time());
 540
 541         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 542                 {
 543                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 544                 image_cache_set(imd, imd->image_fd);
 545                 }
 546         /* call the callback triggered by image_state after fd->pixbuf is set */
 547         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 548         image_state_unset(imd, IMAGE_STATE_LOADING);
 549
 550         if (!image_loader_get_pixbuf(imd->il))
 551                 {
 552                 GdkPixbuf *pixbuf;
 553
 554                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 555                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 556                 g_object_unref(pixbuf);
 557
 558                 imd->unknown = TRUE;
 559                 }
 560         else if (imd->delay_flip &&
 561             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 562                 {
 563                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 564                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 565                 }
 566
 567         image_loader_free(imd->il);
 568         imd->il = NULL;
 569
 570 //      image_post_process(imd, TRUE);
 571
 572         image_read_ahead_start(imd);
 573 }
 574
 575 static void image_load_error_cb(ImageLoader *il, gpointer data)
 576 {
 577         DEBUG_1("%s image error", get_exec_time());
 578
 579         /* even on error handle it like it was done,
 580          * since we have a pixbuf with _something_ */
 581
 582         image_load_done_cb(il, data);
 583 }
 584
 585 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 586 {
 587         g_assert(imd->il);
 588         if (override_old_signals)
 589                 {
 590                 /* override the old signals */
 591                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 592                 }
 593
 594         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 595         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 596         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 597 }
 598
 599 /* this read ahead is located here merely for the callbacks, above */
 600
 601 static gint image_read_ahead_check(ImageWindow *imd)
 602 {
 603         if (!imd->read_ahead_fd) return FALSE;
 604         if (imd->il) return FALSE;
 605
 606         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 607                 {
 608                 image_read_ahead_cancel(imd);
 609                 return FALSE;
 610                 }
 611
 612         if (imd->read_ahead_il)
 613                 {
 614                 imd->il = imd->read_ahead_il;
 615                 imd->read_ahead_il = NULL;
 616
 617                 image_load_set_signals(imd, TRUE);
 618
 619                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 620                 image_state_set(imd, IMAGE_STATE_LOADING);
 621
 622                 if (!imd->delay_flip)
 623                         {
 624                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 625                         }
 626
 627                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 628
 629                 file_data_unref(imd->read_ahead_fd);
 630                 imd->read_ahead_fd = NULL;
 631                 return TRUE;
 632                 }
 633         else if (imd->read_ahead_fd->pixbuf)
 634                 {
 635                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 636
 637                 file_data_unref(imd->read_ahead_fd);
 638                 imd->read_ahead_fd = NULL;
 639
 640 //              image_post_process(imd, FALSE);
 641                 return TRUE;
 642                 }
 643
 644         image_read_ahead_cancel(imd);
 645         return FALSE;
 646 }
 647
 648 static gint image_load_begin(ImageWindow *imd, FileData *fd)
 649 {
 650         DEBUG_1("%s image begin", get_exec_time());
 651
 652         if (imd->il) return FALSE;
 653
 654         imd->completed = FALSE;
 655         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 656
 657         if (image_cache_get(imd))
 658                 {
 659                 DEBUG_1("from cache: %s", imd->image_fd->path);
 660                 return TRUE;
 661                 }
 662
 663         if (image_read_ahead_check(imd))
 664                 {
 665                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
 666                 return TRUE;
 667                 }
 668
 669         if (!imd->delay_flip && image_get_pixbuf(imd))
 670                 {
 671                 PixbufRenderer *pr;
 672
 673                 pr = PIXBUF_RENDERER(imd->pr);
 674                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
 675                 pr->pixbuf = NULL;
 676                 }
 677
 678         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 679
 680         imd->il = image_loader_new(fd);
 681
 682         image_load_set_signals(imd, FALSE);
 683
 684         if (!image_loader_start(imd->il))
 685                 {
 686                 DEBUG_1("image start error");
 687
 688                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 689
 690                 image_loader_free(imd->il);
 691                 imd->il = NULL;
 692
 693                 image_complete_util(imd, FALSE);
 694
 695                 return FALSE;
 696                 }
 697
 698         image_state_set(imd, IMAGE_STATE_LOADING);
 699
 700 /*
 701         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
 702                 {
 703                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 704                 }
 705 */
 706         return TRUE;
 707 }
 708
 709 static void image_reset(ImageWindow *imd)
 710 {
 711         /* stops anything currently being done */
 712
 713         DEBUG_1("%s image reset", get_exec_time());
 714
 715         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 716
 717         image_loader_free(imd->il);
 718         imd->il = NULL;
 719
 720         color_man_free((ColorMan *)imd->cm);
 721         imd->cm = NULL;
 722
 723         imd->delay_alter_type = ALTER_NONE;
 724
 725         image_state_set(imd, IMAGE_STATE_NONE);
 726 }
 727
 728 /*
 729  *-------------------------------------------------------------------
 730  * image changer
 731  *-------------------------------------------------------------------
 732  */
 733
 734 static void image_change_complete(ImageWindow *imd, gdouble zoom, gint new)
 735 {
 736         image_reset(imd);
 737         imd->unknown = TRUE;
 738
 739         if (!imd->image_fd)
 740                 {
 741                 image_change_pixbuf(imd, NULL, zoom, FALSE);
 742                 }
 743         else
 744                 {
 745
 746                 if (isfile(imd->image_fd->path))
 747                         {
 748                         PixbufRenderer *pr;
 749
 750                         pr = PIXBUF_RENDERER(imd->pr);
 751                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
 752
 753                         if (image_load_begin(imd, imd->image_fd))
 754                                 {
 755                                 imd->unknown = FALSE;
 756                                 }
 757                         }
 758
 759                 if (imd->unknown == TRUE)
 760                         {
 761                         GdkPixbuf *pixbuf;
 762
 763                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 764                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
 765                         g_object_unref(pixbuf);
 766                         }
 767                 }
 768
 769         image_update_util(imd);
 770 }
 771
 772 static void image_change_real(ImageWindow *imd, FileData *fd,
 773                               CollectionData *cd, CollectInfo *info, gdouble zoom)
 774 {
 775
 776         imd->collection = cd;
 777         imd->collection_info = info;
 778
 779         if (imd->auto_refresh && imd->image_fd)
 780                 file_data_unregister_real_time_monitor(imd->image_fd);
 781
 782         file_data_unref(imd->image_fd);
 783         imd->image_fd = file_data_ref(fd);
 784
 785
 786         image_change_complete(imd, zoom, TRUE);
 787
 788         image_update_title(imd);
 789         image_state_set(imd, IMAGE_STATE_IMAGE);
 790
 791         if (imd->auto_refresh && imd->image_fd)
 792                 file_data_register_real_time_monitor(imd->image_fd);
 793 }
 794
 795 /*
 796  *-------------------------------------------------------------------
 797  * focus stuff
 798  *-------------------------------------------------------------------
 799  */
 800
 801 static void image_focus_paint(ImageWindow *imd, gint has_focus, GdkRectangle *area)
 802 {
 803         GtkWidget *widget;
 804
 805         widget = imd->widget;
 806         if (!widget->window) return;
 807
 808         if (has_focus)
 809                 {
 810                 gtk_paint_focus(widget->style, widget->window, GTK_STATE_ACTIVE,
 811                                 area, widget, "image_window",
 812                                 widget->allocation.x, widget->allocation.y,
 813                                 widget->allocation.width - 1, widget->allocation.height - 1);
 814                 }
 815         else
 816                 {
 817                 gtk_paint_shadow(widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN,
 818                                  area, widget, "image_window",
 819                                  widget->allocation.x, widget->allocation.y,
 820                                  widget->allocation.width - 1, widget->allocation.height - 1);
 821                 }
 822 }
 823
 824 static gint image_focus_expose(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 825 {
 826         ImageWindow *imd = data;
 827
 828         image_focus_paint(imd, GTK_WIDGET_HAS_FOCUS(widget), &event->area);
 829         return TRUE;
 830 }
 831
 832 static gint image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 833 {
 834         ImageWindow *imd = data;
 835
 836         GTK_WIDGET_SET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 837         image_focus_paint(imd, TRUE, NULL);
 838
 839         return TRUE;
 840 }
 841
 842 static gint image_focus_out_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
 843 {
 844         ImageWindow *imd = data;
 845
 846         GTK_WIDGET_UNSET_FLAGS(imd->widget, GTK_HAS_FOCUS);
 847         image_focus_paint(imd, FALSE, NULL);
 848
 849         return TRUE;
 850 }
 851
 852 static gint image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
 853 {
 854         ImageWindow *imd = data;
 855
 856         if (imd->func_scroll &&
 857             event && event->type == GDK_SCROLL)
 858                 {
 859                 imd->func_scroll(imd, event, imd->data_scroll);
 860                 return TRUE;
 861                 }
 862
 863         return FALSE;
 864 }
 865
 866 /*
 867  *-------------------------------------------------------------------
 868  * public interface
 869  *-------------------------------------------------------------------
 870  */
 871
 872 void image_attach_window(ImageWindow *imd, GtkWidget *window,
 873                          const gchar *title, const gchar *title_right, gint show_zoom)
 874 {
 875         imd->top_window = window;
 876         g_free(imd->title);
 877         imd->title = g_strdup(title);
 878         g_free(imd->title_right);
 879         imd->title_right = g_strdup(title_right);
 880         imd->title_show_zoom = show_zoom;
 881
 882         if (!options->image.fit_window_to_image) window = NULL;
 883
 884         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
 885
 886         image_update_title(imd);
 887 }
 888
 889 void image_set_update_func(ImageWindow *imd,
 890                            void (*func)(ImageWindow *imd, gpointer data),
 891                            gpointer data)
 892 {
 893         imd->func_update = func;
 894         imd->data_update = data;
 895 }
 896
 897 void image_set_complete_func(ImageWindow *imd,
 898                              void (*func)(ImageWindow *imd, gint preload, gpointer data),
 899                              gpointer data)
 900 {
 901         imd->func_complete = func;
 902         imd->data_complete = data;
 903 }
 904
 905 void image_set_state_func(ImageWindow *imd,
 906                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
 907                         gpointer data)
 908 {
 909         imd->func_state = func;
 910         imd->data_state = data;
 911 }
 912
 913
 914 void image_set_button_func(ImageWindow *imd,
 915                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
 916                            gpointer data)
 917 {
 918         imd->func_button = func;
 919         imd->data_button = data;
 920 }
 921
 922 void image_set_drag_func(ImageWindow *imd,
 923                            void (*func)(ImageWindow *, GdkEventButton *event, gdouble dx, gdouble dy, gpointer),
 924                            gpointer data)
 925 {
 926         imd->func_drag = func;
 927         imd->data_drag = data;
 928 }
 929
 930 void image_set_scroll_func(ImageWindow *imd,
 931                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
 932                            gpointer data)
 933 {
 934         imd->func_scroll = func;
 935         imd->data_scroll = data;
 936 }
 937
 938 void image_set_scroll_notify_func(ImageWindow *imd,
 939                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
 940                                   gpointer data)
 941 {
 942         imd->func_scroll_notify = func;
 943         imd->data_scroll_notify = data;
 944 }
 945
 946 /* path, name */
 947
 948 const gchar *image_get_path(ImageWindow *imd)
 949 {
 950         if (imd->image_fd == NULL) return NULL;
 951         return imd->image_fd->path;
 952 }
 953
 954 const gchar *image_get_name(ImageWindow *imd)
 955 {
 956         if (imd->image_fd == NULL) return NULL;
 957         return imd->image_fd->name;
 958 }
 959
 960 FileData *image_get_fd(ImageWindow *imd)
 961 {
 962         return imd->image_fd;
 963 }
 964
 965 /* merely changes path string, does not change the image! */
 966 void image_set_fd(ImageWindow *imd, FileData *fd)
 967 {
 968         if (imd->auto_refresh && imd->image_fd)
 969                 file_data_unregister_real_time_monitor(imd->image_fd);
 970
 971         file_data_unref(imd->image_fd);
 972         imd->image_fd = file_data_ref(fd);
 973
 974         image_update_title(imd);
 975         image_state_set(imd, IMAGE_STATE_IMAGE);
 976
 977         if (imd->auto_refresh && imd->image_fd)
 978                 file_data_register_real_time_monitor(imd->image_fd);
 979 }
 980
 981 /* load a new image */
 982
 983 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
 984 {
 985         if (imd->image_fd == fd) return;
 986
 987         image_change_real(imd, fd, NULL, NULL, zoom);
 988 }
 989
 990 gint image_get_image_size(ImageWindow *imd, gint *width, gint *height)
 991 {
 992         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
 993 }
 994
 995 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
 996 {
 997         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
 998 }
 999
1000 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gint lazy)
1001 {
1002
1003
1004         /* read_exif and similar functions can actually notice that the file has changed and triger a notification
1005         that removes the pixbuf from cache and unref it. Therefore we must ref it here before it is taken over by the renderer. */
1006         if (pixbuf) g_object_ref(pixbuf);
1007
1008         if (imd->image_fd)
1009                 {
1010                 if (imd->image_fd->user_orientation)
1011                         {
1012                         imd->orientation = imd->image_fd->user_orientation;
1013                         }
1014                 else if (options->image.exif_rotate_enable)
1015                         {
1016                         imd->orientation = metadata_read_int(imd->image_fd, "Exif.Image.Orientation", EXIF_ORIENTATION_TOP_LEFT);
1017                         imd->image_fd->exif_orientation = imd->orientation;
1018                         }
1019                 }
1020
1021         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1022         if (imd->cm)
1023                 {
1024                 color_man_free(imd->cm);
1025                 imd->cm = NULL;
1026                 }
1027
1028         if (lazy)
1029                 {
1030                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation);
1031                 }
1032         else
1033                 {
1034                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1035                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1036                 }
1037
1038         if (pixbuf) g_object_unref(pixbuf);
1039
1040         if (imd->color_profile_enable)
1041                 {
1042                 ExifData *exif = NULL;
1043
1044                 if (imd->color_profile_use_image) exif = exif_read_fd(imd->image_fd);
1045
1046                 if (!image_post_process_color(imd, 0, exif, FALSE))
1047                         {
1048                         /* fixme: note error to user */
1049 //                      image_state_set(imd, IMAGE_STATE_COLOR_ADJ);
1050                         }
1051                 if (exif) exif_free_fd(imd->image_fd, exif);
1052
1053                 }
1054
1055         if (imd->cm || imd->desaturate)
1056                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1057
1058         image_state_set(imd, IMAGE_STATE_IMAGE);
1059 }
1060
1061 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1062 {
1063         if (!cd || !info || !g_list_find(cd->list, info)) return;
1064
1065         image_change_real(imd, info->fd, cd, info, zoom);
1066 }
1067
1068 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1069 {
1070         if (collection_to_number(imd->collection) >= 0)
1071                 {
1072                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1073                         {
1074                         if (info) *info = imd->collection_info;
1075                         }
1076                 else
1077                         {
1078                         if (info) *info = NULL;
1079                         }
1080                 return imd->collection;
1081                 }
1082
1083         if (info) *info = NULL;
1084         return NULL;
1085 }
1086
1087 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1088 {
1089         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1090                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1091
1092         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1093                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1094 }
1095
1096 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1097 {
1098         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1099                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1100
1101         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1102                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1103
1104         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1105                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1106 }
1107
1108 /* this is more like a move function
1109  * it moves most data from source to imd
1110  */
1111 void image_change_from_image(ImageWindow *imd, ImageWindow *source)
1112 {
1113         if (imd == source) return;
1114
1115         imd->unknown = source->unknown;
1116
1117         imd->collection = source->collection;
1118         imd->collection_info = source->collection_info;
1119
1120         image_loader_free(imd->il);
1121         imd->il = NULL;
1122
1123         image_set_fd(imd, image_get_fd(source));
1124
1125
1126         if (source->il)
1127                 {
1128                 imd->il = source->il;
1129                 source->il = NULL;
1130
1131                 image_loader_sync_data(imd->il, source, imd);
1132
1133                 imd->delay_alter_type = source->delay_alter_type;
1134                 source->delay_alter_type = ALTER_NONE;
1135                 }
1136
1137         imd->color_profile_enable = source->color_profile_enable;
1138         imd->color_profile_input = source->color_profile_input;
1139         imd->color_profile_screen = source->color_profile_screen;
1140         imd->color_profile_use_image = source->color_profile_use_image;
1141         color_man_free((ColorMan *)imd->cm);
1142         imd->cm = NULL;
1143         if (source->cm)
1144                 {
1145                 ColorMan *cm;
1146
1147                 imd->cm = source->cm;
1148                 source->cm = NULL;
1149
1150                 cm = (ColorMan *)imd->cm;
1151                 cm->imd = imd;
1152                 cm->func_done_data = imd;
1153                 }
1154
1155         image_loader_free(imd->read_ahead_il);
1156         imd->read_ahead_il = source->read_ahead_il;
1157         source->read_ahead_il = NULL;
1158         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1159
1160         file_data_unref(imd->read_ahead_fd);
1161         imd->read_ahead_fd = source->read_ahead_fd;
1162         source->read_ahead_fd = NULL;
1163
1164         imd->completed = source->completed;
1165         imd->state = source->state;
1166         source->state = IMAGE_STATE_NONE;
1167
1168         imd->orientation = source->orientation;
1169         imd->desaturate = source->desaturate;
1170
1171         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1172
1173         if (imd->cm || imd->desaturate)
1174                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1175         else
1176                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1177
1178 }
1179
1180 /* manipulation */
1181
1182 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1183 {
1184         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1185 }
1186
1187 void image_reload(ImageWindow *imd)
1188 {
1189         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1190
1191         image_change_complete(imd, image_zoom_get(imd), FALSE);
1192 }
1193
1194 void image_scroll(ImageWindow *imd, gint x, gint y)
1195 {
1196         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1197 }
1198
1199 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1200                            gdouble x_align, gdouble y_align)
1201 {
1202         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1203 }
1204
1205 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1206 {
1207         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1208 }
1209
1210 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1211 {
1212         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1213 }
1214
1215 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1216 {
1217         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1218 }
1219
1220 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1221 {
1222         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1223 }
1224
1225 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1226 {
1227         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1228 }
1229
1230 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1231 {
1232         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1233 }
1234
1235 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1236 {
1237         PixbufRenderer *pr;
1238         gdouble zoom;
1239         gint width, height;
1240
1241         pr = (PixbufRenderer *)imd->pr;
1242
1243         if (!pixbuf_renderer_get_pixbuf(pr) ||
1244             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1245
1246         if (vertical)
1247                 {
1248                 zoom = (gdouble)pr->window_height / height;
1249                 }
1250         else
1251                 {
1252                 zoom = (gdouble)pr->window_width / width;
1253                 }
1254
1255         if (zoom < 1.0)
1256                 {
1257                 zoom = 0.0 - 1.0 / zoom;
1258                 }
1259
1260         pixbuf_renderer_zoom_set(pr, zoom);
1261 }
1262
1263 gdouble image_zoom_get(ImageWindow *imd)
1264 {
1265         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1266 }
1267
1268 gdouble image_zoom_get_real(ImageWindow *imd)
1269 {
1270         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1271 }
1272
1273 gchar *image_zoom_get_as_text(ImageWindow *imd)
1274 {
1275         gdouble zoom;
1276         gdouble scale;
1277         gdouble l = 1.0;
1278         gdouble r = 1.0;
1279         gint pl = 0;
1280         gint pr = 0;
1281         gchar *approx = " ";
1282
1283         zoom = image_zoom_get(imd);
1284         scale = image_zoom_get_real(imd);
1285
1286         if (zoom > 0.0)
1287                 {
1288                 l = zoom;
1289                 }
1290         else if (zoom < 0.0)
1291                 {
1292                 r = 0.0 - zoom;
1293                 }
1294         else if (zoom == 0.0 && scale != 0.0)
1295                 {
1296                 if (scale >= 1.0)
1297                         {
1298                         l = scale;
1299                         }
1300                 else
1301                         {
1302                         r = 1.0 / scale;
1303                         }
1304                 approx = "~";
1305                 }
1306
1307         if (rint(l) != l) pl = 1;
1308         if (rint(r) != r) pr = 1;
1309
1310         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1311 }
1312
1313 gdouble image_zoom_get_default(ImageWindow *imd)
1314 {
1315         gdouble zoom = 1.0;
1316
1317         switch (options->image.zoom_mode)
1318         {
1319         case ZOOM_RESET_ORIGINAL:
1320                 break;
1321         case ZOOM_RESET_FIT_WINDOW:
1322                 zoom = 0.0;
1323                 break;
1324         case ZOOM_RESET_NONE:
1325                 if (imd) zoom = image_zoom_get(imd);
1326                 break;
1327         }
1328
1329         return zoom;
1330 }
1331
1332 /* read ahead */
1333
1334 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1335 {
1336         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1337
1338         if (fd)
1339                 {
1340                 if (!file_cache_get(image_get_cache(), fd))
1341                         {
1342                         image_read_ahead_set(imd, fd);
1343                         }
1344                 }
1345         else
1346                 {
1347                 image_read_ahead_cancel(imd);
1348                 }
1349 }
1350
1351 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1352 {
1353         ImageWindow *imd = data;
1354
1355         if (!imd || !image_get_pixbuf(imd) ||
1356             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1357             !imd->image_fd || /* nothing to reload */
1358             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1359             ) return;
1360
1361         if (type == NOTIFY_TYPE_REREAD && fd == imd->image_fd)
1362                 {
1363                 image_reload(imd);
1364                 }
1365 }
1366
1367 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1368 {
1369         if (!enable && imd->auto_refresh && imd->image_fd)
1370                 file_data_unregister_real_time_monitor(imd->image_fd);
1371
1372         if (enable && !imd->auto_refresh && imd->image_fd)
1373                 file_data_register_real_time_monitor(imd->image_fd);
1374
1375         imd->auto_refresh = enable;
1376 }
1377
1378 void image_top_window_set_sync(ImageWindow *imd, gint allow_sync)
1379 {
1380         imd->top_window_sync = allow_sync;
1381
1382         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1383 }
1384
1385 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1386 {
1387         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1388 }
1389
1390 void image_color_profile_set(ImageWindow *imd,
1391                              gint input_type, gint screen_type,
1392                              gint use_image)
1393 {
1394         if (!imd) return;
1395
1396         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS ||
1397             screen_type < 0 || screen_type > 1)
1398                 {
1399                 return;
1400                 }
1401
1402         imd->color_profile_input = input_type;
1403         imd->color_profile_screen = screen_type;
1404         imd->color_profile_use_image = use_image;
1405 }
1406
1407 gint image_color_profile_get(ImageWindow *imd,
1408                              gint *input_type, gint *screen_type,
1409                              gint *use_image)
1410 {
1411         if (!imd) return FALSE;
1412
1413         if (input_type) *input_type = imd->color_profile_input;
1414         if (screen_type) *screen_type = imd->color_profile_screen;
1415         if (use_image) *use_image = imd->color_profile_use_image;
1416
1417         return TRUE;
1418 }
1419
1420 void image_color_profile_set_use(ImageWindow *imd, gint enable)
1421 {
1422         if (!imd) return;
1423
1424         if (imd->color_profile_enable == enable) return;
1425
1426         imd->color_profile_enable = enable;
1427 }
1428
1429 gint image_color_profile_get_use(ImageWindow *imd)
1430 {
1431         if (!imd) return FALSE;
1432
1433         return imd->color_profile_enable;
1434 }
1435
1436 gint image_color_profile_get_from_image(ImageWindow *imd)
1437 {
1438         if (!imd) return FALSE;
1439
1440         return imd->color_profile_from_image;
1441 }
1442
1443 void image_set_delay_flip(ImageWindow *imd, gint delay)
1444 {
1445         if (!imd ||
1446             imd->delay_flip == delay) return;
1447
1448         imd->delay_flip = delay;
1449
1450         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1451
1452         if (!imd->delay_flip && imd->il)
1453                 {
1454                 PixbufRenderer *pr;
1455
1456                 pr = PIXBUF_RENDERER(imd->pr);
1457                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1458                 pr->pixbuf = NULL;
1459
1460                 image_load_pixbuf_ready(imd);
1461                 }
1462 }
1463
1464 void image_to_root_window(ImageWindow *imd, gint scaled)
1465 {
1466         GdkScreen *screen;
1467         GdkWindow *rootwindow;
1468         GdkPixmap *pixmap;
1469         GdkPixbuf *pixbuf;
1470         GdkPixbuf *pb;
1471         gint width, height;
1472
1473         if (!imd) return;
1474
1475         pixbuf = image_get_pixbuf(imd);
1476         if (!pixbuf) return;
1477
1478         screen = gtk_widget_get_screen(imd->widget);
1479         rootwindow = gdk_screen_get_root_window(screen);
1480         if (gdk_drawable_get_visual(rootwindow) != gdk_visual_get_system()) return;
1481
1482         if (scaled)
1483                 {
1484                 width = gdk_screen_width();
1485                 height = gdk_screen_height();
1486                 }
1487         else
1488                 {
1489                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1490                 }
1491
1492         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1493
1494         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1495         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1496         gdk_window_clear(rootwindow);
1497         g_object_unref(pb);
1498         g_object_unref(pixmap);
1499
1500         gdk_flush();
1501 }
1502
1503 void image_select(ImageWindow *imd, gboolean select)
1504 {
1505         if (imd->has_frame)
1506                 {
1507                 if (select)
1508                         {
1509                         gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1510                         gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1511                         }
1512                 else
1513                         gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1514                 }
1515 }
1516
1517
1518
1519 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1520 {
1521         if (imd->has_frame)
1522                 {
1523                 if (selectable)
1524                         {
1525                         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1526                         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), 4);
1527                         }
1528                 else
1529                         {
1530                         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1531                         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), 0);
1532                         }
1533                 }
1534 }
1535
1536 /*
1537  *-------------------------------------------------------------------
1538  * prefs sync
1539  *-------------------------------------------------------------------
1540  */
1541
1542 static void image_options_set(ImageWindow *imd)
1543 {
1544         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1545                                         "zoom_2pass", options->image.zoom_2pass,
1546                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1547                                         "dither_quality", options->image.dither_quality,
1548                                         "scroll_reset", options->image.scroll_reset_method,
1549                                         "cache_display", options->image.tile_cache_max,
1550                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1551                                         "window_limit", options->image.limit_window_size,
1552                                         "window_limit_value", options->image.max_window_size,
1553                                         "autofit_limit", options->image.limit_autofit_size,
1554                                         "autofit_limit_value", options->image.max_autofit_size,
1555
1556                                         NULL);
1557
1558         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1559 }
1560
1561 void image_options_sync(void)
1562 {
1563         GList *work;
1564
1565         work = image_list;
1566         while (work)
1567                 {
1568                 ImageWindow *imd;
1569
1570                 imd = work->data;
1571                 work = work->next;
1572
1573                 image_options_set(imd);
1574                 }
1575 }
1576
1577 /*
1578  *-------------------------------------------------------------------
1579  * init / destroy
1580  *-------------------------------------------------------------------
1581  */
1582
1583 static void image_free(ImageWindow *imd)
1584 {
1585         image_list = g_list_remove(image_list, imd);
1586
1587         if (imd->auto_refresh && imd->image_fd)
1588                 file_data_unregister_real_time_monitor(imd->image_fd);
1589
1590         file_data_unregister_notify_func(image_notify_cb, imd);
1591
1592         image_reset(imd);
1593
1594         image_read_ahead_cancel(imd);
1595
1596         file_data_unref(imd->image_fd);
1597         g_free(imd->title);
1598         g_free(imd->title_right);
1599         g_free(imd);
1600 }
1601
1602 static void image_destroy_cb(GtkObject *widget, gpointer data)
1603 {
1604         ImageWindow *imd = data;
1605         image_free(imd);
1606 }
1607
1608 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
1609 {
1610         gtk_paint_flat_box(widget->style,
1611                            widget->window,
1612                            widget->state,
1613                            (GTK_FRAME(widget))->shadow_type,
1614                            NULL,
1615                            widget,
1616                            NULL,
1617                            widget->allocation.x + 3, widget->allocation.y + 3,
1618                            widget->allocation.width - 6, widget->allocation.height - 6);
1619
1620
1621         return FALSE;
1622 }
1623
1624
1625 void image_set_frame(ImageWindow *imd, gboolean frame)
1626 {
1627         frame = !!frame;
1628
1629         if (frame == imd->has_frame) return;
1630
1631         gtk_widget_hide(imd->pr);
1632
1633         if (frame)
1634                 {
1635                 imd->frame = gtk_frame_new(NULL);
1636 #if GTK_CHECK_VERSION(2,12,0)
1637         g_object_ref(imd->pr);
1638 #else
1639         gtk_widget_ref(imd->pr);
1640 #endif
1641                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
1642                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
1643
1644 #if GTK_CHECK_VERSION(2,12,0)
1645         g_object_unref(imd->pr);
1646 #else
1647         gtk_widget_unref(imd->pr);
1648 #endif
1649                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
1650                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
1651
1652                 GTK_WIDGET_SET_FLAGS(imd->frame, GTK_CAN_FOCUS);
1653                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
1654                                  G_CALLBACK(image_focus_in_cb), imd);
1655                 g_signal_connect(G_OBJECT(imd->frame), "focus_out_event",
1656                                  G_CALLBACK(image_focus_out_cb), imd);
1657
1658                 g_signal_connect_after(G_OBJECT(imd->frame), "expose_event",
1659                                        G_CALLBACK(image_focus_expose), imd);
1660
1661 #if GTK_CHECK_VERSION(2,14,0)
1662         gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
1663 #else
1664         gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->frame);
1665 #endif
1666         gtk_widget_show(imd->frame);
1667                 }
1668         else
1669                 {
1670 #if GTK_CHECK_VERSION(2,12,0)
1671                 g_object_ref(imd->pr);
1672 #else
1673                 gtk_widget_ref(imd->pr);
1674 #endif
1675                 if (imd->frame)
1676                         {
1677                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
1678                         gtk_widget_destroy(imd->frame);
1679                         imd->frame = NULL;
1680                         }
1681 #if GTK_CHECK_VERSION(2,14,0)
1682         gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
1683 #else
1684                 gtk_box_pack_start_defaults(GTK_BOX(imd->widget), imd->pr);
1685 #endif
1686
1687 #if GTK_CHECK_VERSION(2,12,0)
1688         g_object_unref(imd->pr);
1689 #else
1690         gtk_widget_unref(imd->pr);
1691 #endif
1692                 }
1693
1694         gtk_widget_show(imd->pr);
1695
1696         imd->has_frame = frame;
1697 }
1698
1699 ImageWindow *image_new(gint frame)
1700 {
1701         ImageWindow *imd;
1702
1703         imd = g_new0(ImageWindow, 1);
1704
1705         imd->top_window = NULL;
1706         imd->title = NULL;
1707         imd->title_right = NULL;
1708         imd->title_show_zoom = FALSE;
1709
1710         imd->unknown = TRUE;
1711
1712         imd->has_frame = -1; /* not initialized; for image_set_frame */
1713         imd->top_window_sync = FALSE;
1714
1715         imd->delay_alter_type = ALTER_NONE;
1716
1717         imd->read_ahead_il = NULL;
1718         imd->read_ahead_fd = NULL;
1719
1720         imd->completed = FALSE;
1721         imd->state = IMAGE_STATE_NONE;
1722
1723         imd->color_profile_enable = FALSE;
1724         imd->color_profile_input = 0;
1725         imd->color_profile_screen = 0;
1726         imd->color_profile_use_image = FALSE;
1727         imd->color_profile_from_image = COLOR_PROFILE_NONE;
1728
1729         imd->auto_refresh = FALSE;
1730
1731         imd->delay_flip = FALSE;
1732
1733         imd->func_update = NULL;
1734         imd->func_complete = NULL;
1735         imd->func_tile_request = NULL;
1736         imd->func_tile_dispose = NULL;
1737
1738         imd->func_button = NULL;
1739         imd->func_scroll = NULL;
1740
1741         imd->orientation = 1;
1742
1743         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
1744
1745         image_options_set(imd);
1746
1747
1748         imd->widget = gtk_vbox_new(0, 0);
1749
1750         image_set_frame(imd, frame);
1751
1752         image_set_selectable(imd, 0);
1753
1754         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1755                          G_CALLBACK(image_click_cb), imd);
1756         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
1757                          G_CALLBACK(image_scroll_notify_cb), imd);
1758
1759         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1760                          G_CALLBACK(image_scroll_cb), imd);
1761
1762         g_signal_connect(G_OBJECT(imd->pr), "destroy",
1763                          G_CALLBACK(image_destroy_cb), imd);
1764
1765         g_signal_connect(G_OBJECT(imd->pr), "zoom",
1766                          G_CALLBACK(image_zoom_cb), imd);
1767         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
1768                          G_CALLBACK(image_render_complete_cb), imd);
1769         g_signal_connect(G_OBJECT(imd->pr), "drag",
1770                          G_CALLBACK(image_drag_cb), imd);
1771
1772         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
1773
1774         image_list = g_list_append(image_list, imd);
1775
1776         return imd;
1777 }
1778 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */