src/image.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "image.h"
  24
  25
  26 #include "collect.h"
  27 #include "collect-table.h"
  28 #include "color-man.h"
  29 #include "exif.h"
  30 #include "metadata.h"
  31 #include "histogram.h"
  32 #include "image-load.h"
  33 #include "image-overlay.h"
  34 #include "layout.h"
  35 #include "layout_image.h"
  36 #include "pixbuf-renderer.h"
  37 #include "pixbuf_util.h"
  38 #include "ui_fileops.h"
  39
  40 #include "filedata.h"
  41 #include "filecache.h"
  42
  43 #include <math.h>
  44
  45 static GList *image_list = NULL;
  46
  47 static void image_update_title(ImageWindow *imd);
  48 static void image_read_ahead_start(ImageWindow *imd);
  49 static void image_cache_set(ImageWindow *imd, FileData *fd);
  50
  51 // For draw rectangle function
  52 static gint pixbuf_start_x;
  53 static gint pixbuf_start_y;
  54 static gint image_start_x;
  55 static gint image_start_y;
  56 static gint rect_x1, rect_x2, rect_y1, rect_y2;
  57 static gint rect_id = 0;
  58
  59 /*
  60  *-------------------------------------------------------------------
  61  * 'signals'
  62  *-------------------------------------------------------------------
  63  */
  64
  65 static void image_click_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  66 {
  67         ImageWindow *imd = data;
  68         if (!options->image_lm_click_nav && event->button == MOUSE_BUTTON_MIDDLE)
  69                 {
  70                 imd->mouse_wheel_mode = !imd->mouse_wheel_mode;
  71                 }
  72
  73         if (imd->func_button)
  74                 {
  75                 imd->func_button(imd, event, imd->data_button);
  76                 }
  77 }
  78
  79 static void switch_coords_orientation(ImageWindow *imd, gint x, gint y, gint width, gint height)
  80 {
  81         switch (imd->orientation)
  82                 {
  83                 case EXIF_ORIENTATION_TOP_LEFT:
  84                         /* normal -- nothing to do */
  85                         rect_x1 = image_start_x;
  86                         rect_y1 = image_start_y;
  87                         rect_x2 = x;
  88                         rect_y2 = y;
  89                         break;
  90                 case EXIF_ORIENTATION_TOP_RIGHT:
  91                         /* mirrored */
  92                         rect_x1 = width - x;
  93                         rect_y1 = image_start_y;
  94                         rect_x2 = width - image_start_x;
  95                         rect_y2 = y;
  96                         break;
  97                 case EXIF_ORIENTATION_BOTTOM_RIGHT:
  98                         /* upside down */
  99                         rect_x1 = width - x;
 100                         rect_y1 = height - y;
 101                         rect_x2 = width - image_start_x;
 102                         rect_y2 = height - image_start_y;
 103                         break;
 104                 case EXIF_ORIENTATION_BOTTOM_LEFT:
 105                         /* flipped */
 106                         rect_x1 = image_start_x;
 107                         rect_y1 = height - y;
 108                         rect_x2 = x;
 109                         rect_y2 = height - image_start_y;
 110                         break;
 111                 case EXIF_ORIENTATION_LEFT_TOP:
 112                         /* left mirrored */
 113                         rect_x1 = image_start_y;
 114                         rect_y1 = image_start_x;
 115                         rect_x2 = y;
 116                         rect_y2 = x;
 117                         break;
 118                 case EXIF_ORIENTATION_RIGHT_TOP:
 119                         /* rotated -90 (270) */
 120                         rect_x1 = image_start_y;
 121                         rect_y1 = width - x;
 122                         rect_x2 = y;
 123                         rect_y2 = width - image_start_x;
 124                         break;
 125                 case EXIF_ORIENTATION_RIGHT_BOTTOM:
 126                         /* right mirrored */
 127                         rect_x1 = height - y;
 128                         rect_y1 = width - x;
 129                         rect_x2 = height - image_start_y;
 130                         rect_y2 = width - image_start_x;
 131                         break;
 132                 case EXIF_ORIENTATION_LEFT_BOTTOM:
 133                         /* rotated 90 */
 134                         rect_x1 = height - y;
 135                         rect_y1 = image_start_x;
 136                         rect_x2 = height - image_start_y;
 137                         rect_y2 = x;
 138                         break;
 139                 default:
 140                         /* The other values are out of range */
 141                         break;
 142                 }
 143 }
 144
 145 static void image_press_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
 146 {
 147         ImageWindow *imd = data;
 148         LayoutWindow *lw;
 149         gint x_pixel, y_pixel;
 150
 151         if(options->draw_rectangle)
 152                 {
 153                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 154
 155                 pixbuf_start_x = event->x;
 156                 pixbuf_start_y = event->y;
 157
 158                 if (x_pixel == -1)
 159                         {
 160                         image_start_x = 0;
 161                         }
 162                 else
 163                         {
 164                         image_start_x = x_pixel;
 165                         }
 166
 167                 if (y_pixel == -1)
 168                         {
 169                         image_start_y = 0;
 170                         }
 171                 else
 172                         {
 173                         image_start_y = y_pixel;
 174                         }
 175                 }
 176
 177         if (rect_id)
 178                 {
 179                 pixbuf_renderer_overlay_remove((PixbufRenderer *)imd->pr, rect_id);
 180                 }
 181
 182         lw = layout_find_by_image(imd);
 183         if (lw && event->button == MOUSE_BUTTON_LEFT && event->type == GDK_2BUTTON_PRESS
 184                                                                                                 && !options->image_lm_click_nav)
 185                 {
 186                 if (lw->full_screen)
 187                         layout_image_full_screen_stop(lw);
 188                 }
 189 }
 190
 191 static void image_drag_cb(PixbufRenderer *pr, GdkEventMotion *event, gpointer data)
 192 {
 193         ImageWindow *imd = data;
 194         gint width, height;
 195         gint rect_width;
 196         gint rect_height;
 197         GdkPixbuf *rect_pixbuf;
 198         gint x_pixel, y_pixel;
 199         gint image_x_pixel, image_y_pixel;
 200
 201         if (options->draw_rectangle)
 202                 {
 203                 pixbuf_renderer_get_image_size(pr, &width, &height);
 204                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 205
 206                 if (x_pixel == -1)
 207                         {
 208                         image_x_pixel = width;
 209                         }
 210                 else
 211                         {
 212                         image_x_pixel = x_pixel;
 213                         }
 214
 215                 if (y_pixel == -1)
 216                         {
 217                         image_y_pixel = height;
 218                         }
 219                 else
 220                         {
 221                         image_y_pixel = y_pixel;
 222                         }
 223
 224                 switch_coords_orientation(imd, image_x_pixel, image_y_pixel, width, height);
 225                 if (rect_id)
 226                         {
 227                         pixbuf_renderer_overlay_remove((PixbufRenderer *)imd->pr, rect_id);
 228                         }
 229
 230                 rect_width = pr->drag_last_x - pixbuf_start_x;
 231                 if (rect_width <= 0)
 232                         {
 233                         rect_width = 1;
 234                         }
 235                 rect_height = pr->drag_last_y - pixbuf_start_y;
 236                 if (rect_height <= 0)
 237                         {
 238                         rect_height = 1;
 239                         }
 240
 241                 rect_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, rect_width, rect_height);
 242                 pixbuf_set_rect_fill(rect_pixbuf, 0, 0, rect_width, rect_height, 255, 255, 255, 0);
 243                 pixbuf_set_rect(rect_pixbuf, 1, 1, rect_width-2, rect_height - 2, 0, 0, 0, 255, 1, 1, 1, 1);
 244                 pixbuf_set_rect(rect_pixbuf, 2, 2, rect_width-4, rect_height - 4, 255, 255, 255, 255, 1, 1, 1, 1);
 245
 246                 rect_id = pixbuf_renderer_overlay_add((PixbufRenderer *)imd->pr, rect_pixbuf, pixbuf_start_x, pixbuf_start_y, OVL_NORMAL);
 247                 }
 248
 249         pixbuf_renderer_get_scaled_size(pr, &width, &height);
 250
 251         if (imd->func_drag)
 252                 {
 253                 imd->func_drag(imd, event,
 254                                (gfloat)(pr->drag_last_x - event->x) / width,
 255                                (gfloat)(pr->drag_last_y - event->y) / height,
 256                                imd->data_button);
 257                 }
 258 }
 259
 260 static void image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
 261 {
 262         ImageWindow *imd = data;
 263
 264         if (imd->func_scroll_notify && pr->scale)
 265                 {
 266                 imd->func_scroll_notify(imd,
 267                                         (gint)((gdouble)pr->x_scroll / pr->scale),
 268                                         (gint)((gdouble)pr->y_scroll / pr->scale),
 269                                         (gint)((gdouble)pr->image_width - pr->vis_width / pr->scale),
 270                                         (gint)((gdouble)pr->image_height - pr->vis_height / pr->scale),
 271                                         imd->data_scroll_notify);
 272                 }
 273 }
 274
 275 static void image_update_util(ImageWindow *imd)
 276 {
 277         if (imd->func_update) imd->func_update(imd, imd->data_update);
 278 }
 279
 280
 281 static void image_complete_util(ImageWindow *imd, gboolean preload)
 282 {
 283         if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
 284
 285         DEBUG_1("%s image load completed \"%s\" (%s)", get_exec_time(),
 286                           (preload) ? (imd->read_ahead_fd ? imd->read_ahead_fd->path : "null") :
 287                                       (imd->image_fd ? imd->image_fd->path : "null"),
 288                           (preload) ? "preload" : "current");
 289
 290         if (!preload) imd->completed = TRUE;
 291         if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
 292 }
 293
 294 static void image_render_complete_cb(PixbufRenderer *pr, gpointer data)
 295 {
 296         ImageWindow *imd = data;
 297
 298         image_complete_util(imd, FALSE);
 299 }
 300
 301 static void image_state_set(ImageWindow *imd, ImageState state)
 302 {
 303         if (state == IMAGE_STATE_NONE)
 304                 {
 305                 imd->state = state;
 306                 }
 307         else
 308                 {
 309                 imd->state |= state;
 310                 }
 311         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 312 }
 313
 314 static void image_state_unset(ImageWindow *imd, ImageState state)
 315 {
 316         imd->state &= ~state;
 317         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 318 }
 319
 320 static void image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
 321 {
 322         ImageWindow *imd = data;
 323
 324         if (imd->title_show_zoom) image_update_title(imd);
 325         image_state_set(imd, IMAGE_STATE_IMAGE);
 326         image_update_util(imd);
 327 }
 328
 329 /*
 330  *-------------------------------------------------------------------
 331  * misc
 332  *-------------------------------------------------------------------
 333  */
 334
 335 static void image_update_title(ImageWindow *imd)
 336 {
 337         gchar *title = NULL;
 338         gchar *zoom = NULL;
 339         gchar *collection = NULL;
 340         LayoutWindow *lw;
 341         gchar *lw_ident = NULL;
 342
 343         if (!imd->top_window) return;
 344
 345         if (imd->collection && collection_to_number(imd->collection) >= 0)
 346                 {
 347                 const gchar *name = imd->collection->name;
 348                 if (!name) name = _("Untitled");
 349                 collection = g_strdup_printf(_(" (Collection %s)"), name);
 350                 }
 351
 352         if (imd->title_show_zoom)
 353                 {
 354                 gchar *buf = image_zoom_get_as_text(imd);
 355                 zoom = g_strconcat(" [", buf, "]", NULL);
 356                 g_free(buf);
 357                 }
 358
 359         lw = layout_find_by_image(imd);
 360         if (lw)
 361                 {
 362                 lw_ident = g_strconcat(" (", lw->options.id, ")", NULL);
 363                 }
 364
 365         title = g_strdup_printf("%s%s%s%s%s%s%s",
 366                 imd->title ? imd->title : "",
 367                 imd->image_fd ? imd->image_fd->name : "",
 368                 zoom ? zoom : "",
 369                 collection ? collection : "",
 370                 imd->image_fd ? " - " : "",
 371                 imd->title_right ? imd->title_right : "",
 372                 options->show_window_ids ? (lw_ident ? lw_ident : "") : ""
 373                 );
 374         if (lw_ident)
 375                 {
 376                 g_free(lw_ident);
 377                 }
 378
 379         gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
 380
 381         g_free(title);
 382         g_free(zoom);
 383         g_free(collection);
 384 }
 385
 386 /*
 387  *-------------------------------------------------------------------
 388  * rotation, flip, etc.
 389  *-------------------------------------------------------------------
 390  */
 391 static gboolean image_get_x11_screen_profile(ImageWindow *imd, guchar **screen_profile, gint *screen_profile_len)
 392 {
 393         GdkScreen *screen = gtk_widget_get_screen(imd->widget);;
 394         GdkAtom    type   = GDK_NONE;
 395         gint       format = 0;
 396
 397         return (gdk_property_get(gdk_screen_get_root_window(screen),
 398                                  gdk_atom_intern ("_ICC_PROFILE", FALSE),
 399                                  GDK_NONE,
 400                                  0, 64 * 1024 * 1024, FALSE,
 401                                  &type, &format, screen_profile_len, screen_profile) && *screen_profile_len > 0);
 402 }
 403
 404 static gboolean image_post_process_color(ImageWindow *imd, gint start_row, gboolean run_in_bg)
 405 {
 406         ColorMan *cm;
 407         ColorManProfileType input_type;
 408         ColorManProfileType screen_type;
 409         const gchar *input_file = NULL;
 410         const gchar *screen_file = NULL;
 411         guchar *profile = NULL;
 412         guint profile_len;
 413         guchar *screen_profile = NULL;
 414         gint screen_profile_len;
 415         ExifData *exif;
 416
 417         if (imd->cm) return FALSE;
 418
 419         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 420             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 421                 {
 422                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 423
 424                 if (!is_readable_file(file)) return FALSE;
 425
 426                 input_type = COLOR_PROFILE_FILE;
 427                 input_file = file;
 428                 }
 429         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 430                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 431                 {
 432                 input_type = imd->color_profile_input;
 433                 input_file = NULL;
 434                 }
 435         else
 436                 {
 437                 return FALSE;
 438                 }
 439
 440         if (options->color_profile.use_x11_screen_profile &&
 441             image_get_x11_screen_profile(imd, &screen_profile, &screen_profile_len))
 442                 {
 443                 screen_type = COLOR_PROFILE_MEM;
 444                 DEBUG_1("Using X11 screen profile, length: %d", screen_profile_len);
 445                 }
 446         else if (options->color_profile.screen_file &&
 447             is_readable_file(options->color_profile.screen_file))
 448                 {
 449                 screen_type = COLOR_PROFILE_FILE;
 450                 screen_file = options->color_profile.screen_file;
 451                 }
 452         else
 453                 {
 454                 screen_type = COLOR_PROFILE_SRGB;
 455                 screen_file = NULL;
 456                 }
 457
 458
 459         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 460
 461         exif = exif_read_fd(imd->image_fd);
 462
 463         if (exif)
 464                 {
 465                 profile = exif_get_color_profile(exif, &profile_len);
 466                 if (profile)
 467                         {
 468                         if (!imd->color_profile_use_image)
 469                                 {
 470                                 g_free(profile);
 471                                 profile = NULL;
 472                                 }
 473                         DEBUG_1("Found embedded color profile");
 474                         imd->color_profile_from_image = COLOR_PROFILE_MEM;
 475                         }
 476                 else
 477                         {
 478                         gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 479
 480                         if (interop_index)
 481                                 {
 482                                 /* Exif 2.21 specification */
 483                                 if (!strcmp(interop_index, "R98"))
 484                                         {
 485                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 486                                         DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
 487                                         }
 488                                 else if (!strcmp(interop_index, "R03"))
 489                                         {
 490                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 491                                         DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
 492                                         }
 493                                 g_free(interop_index);
 494                                 }
 495                         else
 496                                 {
 497                                 gint cs;
 498
 499                                 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 500                                 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 501                                 if (cs == 1)
 502                                         {
 503                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 504                                         DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
 505                                         }
 506                                 else if (cs == 2)
 507                                         {
 508                                         /* non-standard way of specifying AdobeRGB (used by some software) */
 509                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 510                                         DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
 511                                         }
 512                                 }
 513
 514                         if (imd->color_profile_use_image && imd->color_profile_from_image != COLOR_PROFILE_NONE)
 515                                {
 516                                input_type = imd->color_profile_from_image;
 517                                input_file = NULL;
 518                                }
 519                         }
 520
 521                 exif_free_fd(imd->image_fd, exif);
 522                 }
 523
 524
 525         if (profile)
 526                 {
 527                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 528                                             profile, profile_len,
 529                                             screen_type, screen_file, screen_profile, screen_profile_len);
 530                 g_free(profile);
 531                 }
 532         else
 533                 {
 534                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 535                                    input_type, input_file,
 536                                    screen_type, screen_file, screen_profile, screen_profile_len);
 537                 }
 538
 539         if (cm)
 540                 {
 541                 if (start_row > 0)
 542                         {
 543                         cm->row = start_row;
 544                         cm->incremental_sync = TRUE;
 545                         }
 546
 547                 imd->cm = (gpointer)cm;
 548                 }
 549
 550         image_update_util(imd);
 551
 552         if (screen_profile)
 553                 {
 554                 g_free(screen_profile);
 555                 screen_profile = NULL;
 556                 }
 557
 558         return !!cm;
 559 }
 560
 561
 562 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 563 {
 564         ImageWindow *imd = (ImageWindow *)data;
 565         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 566         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 567         if (imd->overunderexposed) pixbuf_highlight_overunderexposed(*pixbuf, x, y, w, h);
 568 }
 569
 570 void image_alter_orientation(ImageWindow *imd, FileData *fd_n, AlterType type)
 571 {
 572         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 573         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 574         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 575         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 576         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 577
 578         gint orientation;
 579
 580         if (!imd || !imd->pr || !imd->image_fd || !fd_n) return;
 581
 582         orientation = EXIF_ORIENTATION_TOP_LEFT;
 583         {
 584         if (fd_n->user_orientation)
 585                 {
 586                 orientation = fd_n->user_orientation;
 587                 }
 588         else
 589                 if (options->metadata.write_orientation)
 590                         {
 591                         orientation = metadata_read_int(fd_n, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 592                         }
 593         }
 594
 595         switch (type)
 596                 {
 597                 case ALTER_ROTATE_90:
 598                         orientation = rotate_90[orientation];
 599                         break;
 600                 case ALTER_ROTATE_90_CC:
 601                         orientation = rotate_90_cc[orientation];
 602                         break;
 603                 case ALTER_ROTATE_180:
 604                         orientation = rotate_180[orientation];
 605                         break;
 606                 case ALTER_MIRROR:
 607                         orientation = mirror[orientation];
 608                         break;
 609                 case ALTER_FLIP:
 610                         orientation = flip[orientation];
 611                         break;
 612                 case ALTER_NONE:
 613                         orientation = fd_n->exif_orientation ? fd_n->exif_orientation : 1;
 614                         break;
 615                 default:
 616                         return;
 617                         break;
 618                 }
 619
 620         if (orientation != (fd_n->exif_orientation ? fd_n->exif_orientation : 1))
 621                 {
 622                 if (!options->metadata.write_orientation)
 623                         {
 624                         /* user_orientation does not work together with options->metadata.write_orientation,
 625                            use either one or the other.
 626                            we must however handle switching metadata.write_orientation on and off, therefore
 627                            we just disable referencing new fd's, not unreferencing the old ones
 628                         */
 629                         if (fd_n->user_orientation == 0) file_data_ref(fd_n);
 630                         fd_n->user_orientation = orientation;
 631                         }
 632                 }
 633         else
 634                 {
 635                 if (fd_n->user_orientation != 0) file_data_unref(fd_n);
 636                 fd_n->user_orientation = 0;
 637                 }
 638
 639         if (options->metadata.write_orientation)
 640                 {
 641                 if (type == ALTER_NONE)
 642                         {
 643                         metadata_write_revert(fd_n, ORIENTATION_KEY);
 644                         }
 645                 else
 646                         {
 647                         metadata_write_int(fd_n, ORIENTATION_KEY, orientation);
 648                         }
 649                 }
 650
 651         if (imd->image_fd == fd_n && !(options->metadata.write_orientation && !options->image.exif_rotate_enable))
 652                 {
 653                 imd->orientation = orientation;
 654                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, orientation);
 655                 }
 656 }
 657
 658 void image_set_desaturate(ImageWindow *imd, gboolean desaturate)
 659 {
 660         imd->desaturate = desaturate;
 661         if (imd->cm || imd->desaturate || imd->overunderexposed)
 662                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 663         else
 664                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 665         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 666 }
 667
 668 gboolean image_get_desaturate(ImageWindow *imd)
 669 {
 670         return imd->desaturate;
 671 }
 672
 673 void image_set_overunderexposed(ImageWindow *imd, gboolean overunderexposed)
 674 {
 675         imd->overunderexposed = overunderexposed;
 676         if (imd->cm || imd->desaturate || imd->overunderexposed)
 677                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 678         else
 679                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 680         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 681 }
 682
 683 gboolean image_get_overunderexposed(ImageWindow *imd)
 684 {
 685         return imd->overunderexposed;
 686 }
 687
 688 /*
 689  *-------------------------------------------------------------------
 690  * read ahead (prebuffer)
 691  *-------------------------------------------------------------------
 692  */
 693
 694 static void image_read_ahead_cancel(ImageWindow *imd)
 695 {
 696         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 697
 698         image_loader_free(imd->read_ahead_il);
 699         imd->read_ahead_il = NULL;
 700
 701         file_data_unref(imd->read_ahead_fd);
 702         imd->read_ahead_fd = NULL;
 703 }
 704
 705 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 706 {
 707         ImageWindow *imd = data;
 708
 709         if (!imd->read_ahead_fd || !imd->read_ahead_il) return;
 710
 711         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 712
 713         if (!imd->read_ahead_fd->pixbuf)
 714                 {
 715                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 716                 if (imd->read_ahead_fd->pixbuf)
 717                         {
 718                         g_object_ref(imd->read_ahead_fd->pixbuf);
 719                         image_cache_set(imd, imd->read_ahead_fd);
 720                         }
 721                 }
 722         image_loader_free(imd->read_ahead_il);
 723         imd->read_ahead_il = NULL;
 724
 725         image_complete_util(imd, TRUE);
 726 }
 727
 728 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 729 {
 730         /* we even treat errors as success, maybe at least some of the file was ok */
 731         image_read_ahead_done_cb(il, data);
 732 }
 733
 734 static void image_read_ahead_start(ImageWindow *imd)
 735 {
 736         /* already started ? */
 737         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 738
 739         /* still loading ?, do later */
 740         if (imd->il /*|| imd->cm*/) return;
 741
 742         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 743
 744         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 745
 746         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 747
 748         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 749         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 750
 751         if (!image_loader_start(imd->read_ahead_il))
 752                 {
 753                 image_read_ahead_cancel(imd);
 754                 image_complete_util(imd, TRUE);
 755                 }
 756 }
 757
 758 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 759 {
 760         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 761
 762         image_read_ahead_cancel(imd);
 763
 764         imd->read_ahead_fd = file_data_ref(fd);
 765
 766         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 767
 768         image_read_ahead_start(imd);
 769 }
 770
 771 /*
 772  *-------------------------------------------------------------------
 773  * post buffering
 774  *-------------------------------------------------------------------
 775  */
 776
 777 static void image_cache_release_cb(FileData *fd)
 778 {
 779         g_object_unref(fd->pixbuf);
 780         fd->pixbuf = NULL;
 781 }
 782
 783 static FileCacheData *image_get_cache(void)
 784 {
 785         static FileCacheData *cache = NULL;
 786         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 787         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 788         return cache;
 789 }
 790
 791 static void image_cache_set(ImageWindow *imd, FileData *fd)
 792 {
 793         g_assert(fd->pixbuf);
 794
 795         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 796         file_data_send_notification(fd, NOTIFY_PIXBUF); /* to update histogram */
 797 }
 798
 799 static gint image_cache_get(ImageWindow *imd)
 800 {
 801         gint success;
 802
 803         success = file_cache_get(image_get_cache(), imd->image_fd);
 804         if (success)
 805                 {
 806                 g_assert(imd->image_fd->pixbuf);
 807                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 808                 }
 809
 810 //      file_cache_dump(image_get_cache());
 811         return success;
 812 }
 813
 814 /*
 815  *-------------------------------------------------------------------
 816  * loading
 817  *-------------------------------------------------------------------
 818  */
 819
 820 static void image_load_pixbuf_ready(ImageWindow *imd)
 821 {
 822         if (image_get_pixbuf(imd) || !imd->il) return;
 823
 824         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 825 }
 826
 827 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 828 {
 829         ImageWindow *imd = data;
 830         PixbufRenderer *pr;
 831
 832         pr = (PixbufRenderer *)imd->pr;
 833
 834         if (imd->delay_flip &&
 835             pr->pixbuf != image_loader_get_pixbuf(il))
 836                 {
 837                 return;
 838                 }
 839
 840         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 841
 842         pixbuf_renderer_area_changed(pr, x, y, w, h);
 843 }
 844
 845 static void image_load_done_cb(ImageLoader *il, gpointer data)
 846 {
 847         ImageWindow *imd = data;
 848
 849         DEBUG_1("%s image done", get_exec_time());
 850
 851         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 852                 {
 853                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 854                 image_cache_set(imd, imd->image_fd);
 855                 }
 856         /* call the callback triggered by image_state after fd->pixbuf is set */
 857         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 858         image_state_unset(imd, IMAGE_STATE_LOADING);
 859
 860         if (!image_loader_get_pixbuf(imd->il))
 861                 {
 862                 GdkPixbuf *pixbuf;
 863
 864                 switch (imd->image_fd->format_class)
 865                         {
 866                         case FORMAT_CLASS_UNKNOWN:
 867                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_UNKNOWN);
 868                                 break;
 869                         case FORMAT_CLASS_META:
 870                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_METADATA);
 871                                 break;
 872                         case FORMAT_CLASS_VIDEO:
 873                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_VIDEO);
 874                         case FORMAT_CLASS_COLLECTION:
 875                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_COLLECTION);
 876                                 break;
 877                         case FORMAT_CLASS_DOCUMENT:
 878                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_ICON_PDF);
 879                                 break;
 880                         default:
 881                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 882                         }
 883
 884                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 885                 g_object_unref(pixbuf);
 886
 887                 imd->unknown = TRUE;
 888                 }
 889         else if (imd->delay_flip &&
 890             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 891                 {
 892                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 893                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 894                 }
 895
 896         image_loader_free(imd->il);
 897         imd->il = NULL;
 898
 899 //      image_post_process(imd, TRUE);
 900
 901         image_read_ahead_start(imd);
 902 }
 903
 904 static void image_load_size_cb(ImageLoader *il, guint width, guint height, gpointer data)
 905 {
 906         ImageWindow *imd = data;
 907
 908         DEBUG_1("image_load_size_cb: %dx%d", width, height);
 909         pixbuf_renderer_set_size_early((PixbufRenderer *)imd->pr, width, height);
 910 }
 911
 912 static void image_load_error_cb(ImageLoader *il, gpointer data)
 913 {
 914         DEBUG_1("%s image error", get_exec_time());
 915
 916         /* even on error handle it like it was done,
 917          * since we have a pixbuf with _something_ */
 918
 919         image_load_done_cb(il, data);
 920 }
 921
 922 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 923 {
 924         g_assert(imd->il);
 925         if (override_old_signals)
 926                 {
 927                 /* override the old signals */
 928                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 929                 }
 930
 931         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 932         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 933         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 934         g_signal_connect(G_OBJECT(imd->il), "size_prepared", (GCallback)image_load_size_cb, imd);
 935 }
 936
 937 /* this read ahead is located here merely for the callbacks, above */
 938
 939 static gboolean image_read_ahead_check(ImageWindow *imd)
 940 {
 941         if (!imd->read_ahead_fd) return FALSE;
 942         if (imd->il) return FALSE;
 943
 944         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 945                 {
 946                 image_read_ahead_cancel(imd);
 947                 return FALSE;
 948                 }
 949
 950         if (imd->read_ahead_il)
 951                 {
 952                 imd->il = imd->read_ahead_il;
 953                 imd->read_ahead_il = NULL;
 954
 955                 image_load_set_signals(imd, TRUE);
 956
 957                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 958                 image_state_set(imd, IMAGE_STATE_LOADING);
 959
 960                 if (!imd->delay_flip)
 961                         {
 962                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 963                         }
 964
 965                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 966
 967                 file_data_unref(imd->read_ahead_fd);
 968                 imd->read_ahead_fd = NULL;
 969                 return TRUE;
 970                 }
 971         else if (imd->read_ahead_fd->pixbuf)
 972                 {
 973                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 974
 975                 file_data_unref(imd->read_ahead_fd);
 976                 imd->read_ahead_fd = NULL;
 977
 978 //              image_post_process(imd, FALSE);
 979                 return TRUE;
 980                 }
 981
 982         image_read_ahead_cancel(imd);
 983         return FALSE;
 984 }
 985
 986 static gboolean image_load_begin(ImageWindow *imd, FileData *fd)
 987 {
 988         DEBUG_1("%s image begin", get_exec_time());
 989
 990         if (imd->il) return FALSE;
 991
 992         imd->completed = FALSE;
 993         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 994
 995         if (image_cache_get(imd))
 996                 {
 997                 DEBUG_1("from cache: %s", imd->image_fd->path);
 998                 return TRUE;
 999                 }
1000
1001         if (image_read_ahead_check(imd))
1002                 {
1003                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
1004                 return TRUE;
1005                 }
1006
1007         if (!imd->delay_flip && image_get_pixbuf(imd))
1008                 {
1009                 PixbufRenderer *pr;
1010
1011                 pr = PIXBUF_RENDERER(imd->pr);
1012                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1013                 pr->pixbuf = NULL;
1014                 }
1015
1016         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
1017
1018         imd->il = image_loader_new(fd);
1019
1020         image_load_set_signals(imd, FALSE);
1021
1022         if (!image_loader_start(imd->il))
1023                 {
1024                 DEBUG_1("image start error");
1025
1026                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
1027
1028                 image_loader_free(imd->il);
1029                 imd->il = NULL;
1030
1031                 image_complete_util(imd, FALSE);
1032
1033                 return FALSE;
1034                 }
1035
1036         image_state_set(imd, IMAGE_STATE_LOADING);
1037
1038 /*
1039         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
1040                 {
1041                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
1042                 }
1043 */
1044         return TRUE;
1045 }
1046
1047 static void image_reset(ImageWindow *imd)
1048 {
1049         /* stops anything currently being done */
1050
1051         DEBUG_1("%s image reset", get_exec_time());
1052
1053         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
1054
1055         image_loader_free(imd->il);
1056         imd->il = NULL;
1057
1058         color_man_free((ColorMan *)imd->cm);
1059         imd->cm = NULL;
1060
1061         imd->delay_alter_type = ALTER_NONE;
1062
1063         image_state_set(imd, IMAGE_STATE_NONE);
1064 }
1065
1066 /*
1067  *-------------------------------------------------------------------
1068  * image changer
1069  *-------------------------------------------------------------------
1070  */
1071
1072 static void image_change_complete(ImageWindow *imd, gdouble zoom)
1073 {
1074         image_reset(imd);
1075         imd->unknown = TRUE;
1076
1077         if (!imd->image_fd)
1078                 {
1079                 image_change_pixbuf(imd, NULL, zoom, FALSE);
1080                 }
1081         else
1082                 {
1083
1084                 if (is_readable_file(imd->image_fd->path))
1085                         {
1086                         PixbufRenderer *pr;
1087
1088                         pr = PIXBUF_RENDERER(imd->pr);
1089                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
1090
1091                         if (image_load_begin(imd, imd->image_fd))
1092                                 {
1093                                 imd->unknown = FALSE;
1094                                 }
1095                         }
1096
1097                 if (imd->unknown == TRUE)
1098                         {
1099                         GdkPixbuf *pixbuf;
1100
1101                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
1102                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
1103                         g_object_unref(pixbuf);
1104                         }
1105                 }
1106
1107         image_update_util(imd);
1108 }
1109
1110 static void image_change_real(ImageWindow *imd, FileData *fd,
1111                               CollectionData *cd, CollectInfo *info, gdouble zoom)
1112 {
1113
1114         imd->collection = cd;
1115         imd->collection_info = info;
1116
1117         if (imd->auto_refresh && imd->image_fd)
1118                 file_data_unregister_real_time_monitor(imd->image_fd);
1119
1120         file_data_unref(imd->image_fd);
1121         imd->image_fd = file_data_ref(fd);
1122
1123
1124         image_change_complete(imd, zoom);
1125
1126         image_update_title(imd);
1127         image_state_set(imd, IMAGE_STATE_IMAGE);
1128
1129         if (imd->auto_refresh && imd->image_fd)
1130                 file_data_register_real_time_monitor(imd->image_fd);
1131 }
1132
1133 /*
1134  *-------------------------------------------------------------------
1135  * focus stuff
1136  *-------------------------------------------------------------------
1137  */
1138
1139 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1140 {
1141         ImageWindow *imd = data;
1142
1143         if (imd->func_focus_in)
1144                 {
1145                 imd->func_focus_in(imd, imd->data_focus_in);
1146                 }
1147
1148         return TRUE;
1149 }
1150
1151 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
1152 {
1153         ImageWindow *imd = data;
1154
1155         if (imd->func_scroll &&
1156             event && event->type == GDK_SCROLL)
1157                 {
1158                 imd->func_scroll(imd, event, imd->data_scroll);
1159                 return TRUE;
1160                 }
1161
1162         return FALSE;
1163 }
1164
1165 /*
1166  *-------------------------------------------------------------------
1167  * public interface
1168  *-------------------------------------------------------------------
1169  */
1170
1171 void image_attach_window(ImageWindow *imd, GtkWidget *window,
1172                          const gchar *title, const gchar *title_right, gboolean show_zoom)
1173 {
1174         LayoutWindow *lw;
1175
1176         imd->top_window = window;
1177         g_free(imd->title);
1178         imd->title = g_strdup(title);
1179         g_free(imd->title_right);
1180         imd->title_right = g_strdup(title_right);
1181         imd->title_show_zoom = show_zoom;
1182
1183         lw = layout_find_by_image(imd);
1184
1185         if (!(options->image.fit_window_to_image && lw && lw->options.tools_float)) window = NULL;
1186
1187         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
1188
1189         image_update_title(imd);
1190 }
1191
1192 void image_set_update_func(ImageWindow *imd,
1193                            void (*func)(ImageWindow *imd, gpointer data),
1194                            gpointer data)
1195 {
1196         imd->func_update = func;
1197         imd->data_update = data;
1198 }
1199
1200 void image_set_complete_func(ImageWindow *imd,
1201                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
1202                              gpointer data)
1203 {
1204         imd->func_complete = func;
1205         imd->data_complete = data;
1206 }
1207
1208 void image_set_state_func(ImageWindow *imd,
1209                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
1210                         gpointer data)
1211 {
1212         imd->func_state = func;
1213         imd->data_state = data;
1214 }
1215
1216
1217 void image_set_button_func(ImageWindow *imd,
1218                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
1219                            gpointer data)
1220 {
1221         imd->func_button = func;
1222         imd->data_button = data;
1223 }
1224
1225 void image_set_drag_func(ImageWindow *imd,
1226                            void (*func)(ImageWindow *, GdkEventMotion *event, gdouble dx, gdouble dy, gpointer),
1227                            gpointer data)
1228 {
1229         imd->func_drag = func;
1230         imd->data_drag = data;
1231 }
1232
1233 void image_set_scroll_func(ImageWindow *imd,
1234                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
1235                            gpointer data)
1236 {
1237         imd->func_scroll = func;
1238         imd->data_scroll = data;
1239 }
1240
1241 void image_set_scroll_notify_func(ImageWindow *imd,
1242                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
1243                                   gpointer data)
1244 {
1245         imd->func_scroll_notify = func;
1246         imd->data_scroll_notify = data;
1247 }
1248
1249 void image_set_focus_in_func(ImageWindow *imd,
1250                            void (*func)(ImageWindow *, gpointer),
1251                            gpointer data)
1252 {
1253         imd->func_focus_in = func;
1254         imd->data_focus_in = data;
1255 }
1256
1257 /* path, name */
1258
1259 const gchar *image_get_path(ImageWindow *imd)
1260 {
1261         if (imd->image_fd == NULL) return NULL;
1262         return imd->image_fd->path;
1263 }
1264
1265 const gchar *image_get_name(ImageWindow *imd)
1266 {
1267         if (imd->image_fd == NULL) return NULL;
1268         return imd->image_fd->name;
1269 }
1270
1271 FileData *image_get_fd(ImageWindow *imd)
1272 {
1273         return imd->image_fd;
1274 }
1275
1276 /* merely changes path string, does not change the image! */
1277 void image_set_fd(ImageWindow *imd, FileData *fd)
1278 {
1279         if (imd->auto_refresh && imd->image_fd)
1280                 file_data_unregister_real_time_monitor(imd->image_fd);
1281
1282         file_data_unref(imd->image_fd);
1283         imd->image_fd = file_data_ref(fd);
1284
1285         image_update_title(imd);
1286         image_state_set(imd, IMAGE_STATE_IMAGE);
1287
1288         if (imd->auto_refresh && imd->image_fd)
1289                 file_data_register_real_time_monitor(imd->image_fd);
1290 }
1291
1292 /* load a new image */
1293
1294 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1295 {
1296         if (imd->image_fd == fd) return;
1297
1298         image_change_real(imd, fd, NULL, NULL, zoom);
1299 }
1300
1301 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1302 {
1303         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1304 }
1305
1306 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1307 {
1308         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1309 }
1310
1311 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1312 {
1313         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1314         /* read_exif and similar functions can actually notice that the file has changed and trigger
1315            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1316            here before it is taken over by the renderer. */
1317         if (pixbuf) g_object_ref(pixbuf);
1318
1319         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1320         if (imd->image_fd)
1321                 {
1322                 if (imd->image_fd->user_orientation)
1323                         {
1324                         imd->orientation = imd->image_fd->user_orientation;
1325                         }
1326                 else if (options->image.exif_rotate_enable)
1327                         {
1328                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1329                         imd->image_fd->exif_orientation = imd->orientation;
1330                         }
1331                 }
1332
1333         if (pixbuf)
1334                 {
1335                 stereo_data = imd->user_stereo;
1336                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1337                         {
1338                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1339                         }
1340                 }
1341
1342         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1343         if (imd->cm)
1344                 {
1345                 color_man_free(imd->cm);
1346                 imd->cm = NULL;
1347                 }
1348
1349         if (lazy)
1350                 {
1351                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1352                 }
1353         else
1354                 {
1355                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1356                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1357                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1358                 }
1359
1360         if (pixbuf) g_object_unref(pixbuf);
1361
1362         if (imd->color_profile_enable)
1363                 {
1364                 image_post_process_color(imd, 0, FALSE); /* TODO: error handling */
1365                 }
1366
1367         if (imd->cm || imd->desaturate || imd->overunderexposed)
1368                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1369
1370         image_state_set(imd, IMAGE_STATE_IMAGE);
1371 }
1372
1373 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1374 {
1375         CollectWindow *cw;
1376
1377         if (!cd || !info || !g_list_find(cd->list, info)) return;
1378
1379         image_change_real(imd, info->fd, cd, info, zoom);
1380         cw = collection_window_find(cd);
1381         if (cw)
1382                 {
1383                 collection_table_set_focus(cw->table, info);
1384                 collection_table_unselect_all(cw->table);
1385                 collection_table_select(cw->table,info);
1386                 }
1387 }
1388
1389 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1390 {
1391         if (collection_to_number(imd->collection) >= 0)
1392                 {
1393                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1394                         {
1395                         if (info) *info = imd->collection_info;
1396                         }
1397                 else
1398                         {
1399                         if (info) *info = NULL;
1400                         }
1401                 return imd->collection;
1402                 }
1403
1404         if (info) *info = NULL;
1405         return NULL;
1406 }
1407
1408 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1409 {
1410         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1411                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1412
1413         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1414                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1415 }
1416
1417 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1418 {
1419         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1420                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1421
1422         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1423                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1424
1425         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1426                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1427 }
1428
1429 /* this is more like a move function
1430  * it moves most data from source to imd
1431  */
1432 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1433 {
1434         if (imd == source) return;
1435
1436         imd->unknown = source->unknown;
1437
1438         imd->collection = source->collection;
1439         imd->collection_info = source->collection_info;
1440
1441         image_loader_free(imd->il);
1442         imd->il = NULL;
1443
1444         image_set_fd(imd, image_get_fd(source));
1445
1446
1447         if (source->il)
1448                 {
1449                 imd->il = source->il;
1450                 source->il = NULL;
1451
1452                 image_loader_sync_data(imd->il, source, imd);
1453
1454                 imd->delay_alter_type = source->delay_alter_type;
1455                 source->delay_alter_type = ALTER_NONE;
1456                 }
1457
1458         imd->color_profile_enable = source->color_profile_enable;
1459         imd->color_profile_input = source->color_profile_input;
1460         imd->color_profile_use_image = source->color_profile_use_image;
1461         color_man_free((ColorMan *)imd->cm);
1462         imd->cm = NULL;
1463         if (source->cm)
1464                 {
1465                 ColorMan *cm;
1466
1467                 imd->cm = source->cm;
1468                 source->cm = NULL;
1469
1470                 cm = (ColorMan *)imd->cm;
1471                 cm->imd = imd;
1472                 cm->func_done_data = imd;
1473                 }
1474
1475         file_data_unref(imd->read_ahead_fd);
1476         source->read_ahead_fd = NULL;
1477
1478         imd->orientation = source->orientation;
1479         imd->desaturate = source->desaturate;
1480
1481         imd->user_stereo = source->user_stereo;
1482
1483         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1484
1485         if (imd->cm || imd->desaturate || imd->overunderexposed)
1486                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1487         else
1488                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1489
1490 }
1491
1492 /* this is  a copy function
1493  * source stays unchanged
1494  */
1495 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1496 {
1497         if (imd == source) return;
1498
1499         imd->unknown = source->unknown;
1500
1501         imd->collection = source->collection;
1502         imd->collection_info = source->collection_info;
1503
1504         image_loader_free(imd->il);
1505         imd->il = NULL;
1506
1507         image_set_fd(imd, image_get_fd(source));
1508
1509
1510         imd->color_profile_enable = source->color_profile_enable;
1511         imd->color_profile_input = source->color_profile_input;
1512         imd->color_profile_use_image = source->color_profile_use_image;
1513         color_man_free((ColorMan *)imd->cm);
1514         imd->cm = NULL;
1515         if (source->cm)
1516                 {
1517                 ColorMan *cm;
1518
1519                 imd->cm = source->cm;
1520                 source->cm = NULL;
1521
1522                 cm = (ColorMan *)imd->cm;
1523                 cm->imd = imd;
1524                 cm->func_done_data = imd;
1525                 }
1526
1527         image_loader_free(imd->read_ahead_il);
1528         imd->read_ahead_il = source->read_ahead_il;
1529         source->read_ahead_il = NULL;
1530         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1531
1532         file_data_unref(imd->read_ahead_fd);
1533         imd->read_ahead_fd = source->read_ahead_fd;
1534         source->read_ahead_fd = NULL;
1535
1536         imd->completed = source->completed;
1537         imd->state = source->state;
1538         source->state = IMAGE_STATE_NONE;
1539
1540         imd->orientation = source->orientation;
1541         imd->desaturate = source->desaturate;
1542
1543         imd->user_stereo = source->user_stereo;
1544
1545         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1546
1547         if (imd->cm || imd->desaturate || imd->overunderexposed)
1548                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1549         else
1550                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1551
1552 }
1553
1554
1555 /* manipulation */
1556
1557 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1558 {
1559         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1560 }
1561
1562 void image_reload(ImageWindow *imd)
1563 {
1564         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1565
1566         image_change_complete(imd, image_zoom_get(imd));
1567 }
1568
1569 void image_scroll(ImageWindow *imd, gint x, gint y)
1570 {
1571         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1572 }
1573
1574 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1575                            gdouble x_align, gdouble y_align)
1576 {
1577         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1578 }
1579
1580 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1581 {
1582         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1583 }
1584
1585 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1586 {
1587         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1588 }
1589
1590 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1591 {
1592         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1593 }
1594
1595 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1596 {
1597         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1598 }
1599
1600 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1601 {
1602         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1603 }
1604
1605 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1606 {
1607         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1608 }
1609
1610 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1611 {
1612         PixbufRenderer *pr;
1613         gdouble zoom;
1614         gint width, height;
1615
1616         pr = (PixbufRenderer *)imd->pr;
1617
1618         if (!pixbuf_renderer_get_pixbuf(pr) ||
1619             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1620
1621         if (vertical)
1622                 {
1623                 zoom = (gdouble)pr->viewport_height / height;
1624                 }
1625         else
1626                 {
1627                 zoom = (gdouble)pr->viewport_width / width;
1628                 }
1629
1630         if (zoom < 1.0)
1631                 {
1632                 zoom = 0.0 - 1.0 / zoom;
1633                 }
1634
1635         pixbuf_renderer_zoom_set(pr, zoom);
1636 }
1637
1638 gdouble image_zoom_get(ImageWindow *imd)
1639 {
1640         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1641 }
1642
1643 gdouble image_zoom_get_real(ImageWindow *imd)
1644 {
1645         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1646 }
1647
1648 gchar *image_zoom_get_as_text(ImageWindow *imd)
1649 {
1650         gdouble zoom;
1651         gdouble scale;
1652         gdouble l = 1.0;
1653         gdouble r = 1.0;
1654         gint pl = 0;
1655         gint pr = 0;
1656         gchar *approx = " ";
1657
1658         zoom = image_zoom_get(imd);
1659         scale = image_zoom_get_real(imd);
1660
1661         if (zoom > 0.0)
1662                 {
1663                 l = zoom;
1664                 }
1665         else if (zoom < 0.0)
1666                 {
1667                 r = 0.0 - zoom;
1668                 }
1669         else if (zoom == 0.0 && scale != 0.0)
1670                 {
1671                 if (scale >= 1.0)
1672                         {
1673                         l = scale;
1674                         }
1675                 else
1676                         {
1677                         r = 1.0 / scale;
1678                         }
1679                 approx = "~";
1680                 }
1681
1682         if (rint(l) != l) pl = 2;
1683         if (rint(r) != r) pr = 2;
1684
1685         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1686 }
1687
1688 gdouble image_zoom_get_default(ImageWindow *imd)
1689 {
1690         gdouble zoom = 1.0;
1691
1692         switch (options->image.zoom_mode)
1693         {
1694         case ZOOM_RESET_ORIGINAL:
1695                 break;
1696         case ZOOM_RESET_FIT_WINDOW:
1697                 zoom = 0.0;
1698                 break;
1699         case ZOOM_RESET_NONE:
1700                 if (imd) zoom = image_zoom_get(imd);
1701                 break;
1702         }
1703
1704         return zoom;
1705 }
1706
1707 /* stereo */
1708 gint image_stereo_get(ImageWindow *imd)
1709 {
1710         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1711 }
1712
1713 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1714 {
1715         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1716         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1717 }
1718
1719 void image_stereo_swap(ImageWindow *imd)
1720 {
1721         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1722         stereo_mode ^= PR_STEREO_SWAP;
1723         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1724 }
1725
1726 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1727 {
1728         return imd->user_stereo;
1729 }
1730
1731 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1732 {
1733         imd->user_stereo = stereo_mode;
1734         image_reload(imd);
1735 }
1736
1737 /* read ahead */
1738
1739 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1740 {
1741         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1742
1743         if (fd)
1744                 {
1745                 if (!file_cache_get(image_get_cache(), fd))
1746                         {
1747                         image_read_ahead_set(imd, fd);
1748                         }
1749                 }
1750         else
1751                 {
1752                 image_read_ahead_cancel(imd);
1753                 }
1754 }
1755
1756 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1757 {
1758         ImageWindow *imd = data;
1759
1760         if (!imd || !image_get_pixbuf(imd) ||
1761             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1762             !imd->image_fd || /* nothing to reload */
1763             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1764             ) return;
1765
1766         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1767                 {
1768                 /* there is no need to reload on NOTIFY_CHANGE,
1769                    modified files should be detacted anyway and NOTIFY_REREAD should be recieved
1770                    or they are removed from the filelist completely on "move" and "delete"
1771                 */
1772                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1773                 image_reload(imd);
1774                 }
1775 }
1776
1777 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1778 {
1779         if (!enable && imd->auto_refresh && imd->image_fd)
1780                 file_data_unregister_real_time_monitor(imd->image_fd);
1781
1782         if (enable && !imd->auto_refresh && imd->image_fd)
1783                 file_data_register_real_time_monitor(imd->image_fd);
1784
1785         imd->auto_refresh = enable;
1786 }
1787
1788 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1789 {
1790         imd->top_window_sync = allow_sync;
1791
1792         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1793 }
1794
1795 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1796 {
1797         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1798 }
1799
1800 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1801 {
1802         GdkColor *color = NULL;
1803
1804         if ((options->image.use_custom_border_color && !fullscreen) ||
1805             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1806                 {
1807                 color = &options->image.border_color;
1808                 }
1809
1810         image_background_set_color(imd, color);
1811 }
1812
1813 void image_color_profile_set(ImageWindow *imd,
1814                              gint input_type,
1815                              gboolean use_image)
1816 {
1817         if (!imd) return;
1818
1819         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1820                 {
1821                 return;
1822                 }
1823
1824         imd->color_profile_input = input_type;
1825         imd->color_profile_use_image = use_image;
1826 }
1827
1828 gboolean image_color_profile_get(ImageWindow *imd,
1829                                  gint *input_type,
1830                                  gboolean *use_image)
1831 {
1832         if (!imd) return FALSE;
1833
1834         if (input_type) *input_type = imd->color_profile_input;
1835         if (use_image) *use_image = imd->color_profile_use_image;
1836
1837         return TRUE;
1838 }
1839
1840 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1841 {
1842         if (!imd) return;
1843
1844         if (imd->color_profile_enable == enable) return;
1845
1846         imd->color_profile_enable = enable;
1847 }
1848
1849 gboolean image_color_profile_get_use(ImageWindow *imd)
1850 {
1851         if (!imd) return FALSE;
1852
1853         return imd->color_profile_enable;
1854 }
1855
1856 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1857 {
1858         ColorMan *cm;
1859         if (!imd) return FALSE;
1860
1861         cm = imd->cm;
1862         if (!cm) return FALSE;
1863         return color_man_get_status(cm, image_profile, screen_profile);
1864
1865 }
1866
1867 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1868 {
1869         if (!imd ||
1870             imd->delay_flip == delay) return;
1871
1872         imd->delay_flip = delay;
1873
1874         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1875
1876         if (!imd->delay_flip && imd->il)
1877                 {
1878                 PixbufRenderer *pr;
1879
1880                 pr = PIXBUF_RENDERER(imd->pr);
1881                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1882                 pr->pixbuf = NULL;
1883
1884                 image_load_pixbuf_ready(imd);
1885                 }
1886 }
1887
1888 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1889 {
1890 #if !GTK_CHECK_VERSION(3,0,0)
1891         GdkScreen *screen;
1892         GdkWindow *rootwindow;
1893         GdkPixmap *pixmap;
1894         GdkPixbuf *pixbuf;
1895         GdkPixbuf *pb;
1896         gint width, height;
1897
1898         if (!imd) return;
1899
1900         pixbuf = image_get_pixbuf(imd);
1901         if (!pixbuf) return;
1902
1903         screen = gtk_widget_get_screen(imd->widget);
1904         rootwindow = gdk_screen_get_root_window(screen);
1905         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1906
1907         if (scaled)
1908                 {
1909                 width = gdk_screen_width();
1910                 height = gdk_screen_height();
1911                 }
1912         else
1913                 {
1914                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1915                 }
1916
1917         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1918
1919         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1920         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1921         gdk_window_clear(rootwindow);
1922         g_object_unref(pb);
1923         g_object_unref(pixmap);
1924
1925         gdk_flush();
1926 #endif
1927 }
1928
1929 void image_select(ImageWindow *imd, gboolean select)
1930 {
1931         if (!imd->has_frame) return;
1932
1933         if (select)
1934                 {
1935                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1936                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1937                 }
1938         else
1939                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1940 }
1941
1942 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1943 {
1944         if (!imd->has_frame) return;
1945
1946         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1947         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1948 }
1949
1950 void image_grab_focus(ImageWindow *imd)
1951 {
1952         if (imd->has_frame)
1953                 {
1954                 gtk_widget_grab_focus(imd->frame);
1955                 }
1956         else
1957                 {
1958                 gtk_widget_grab_focus(imd->widget);
1959                 }
1960 }
1961
1962
1963 /*
1964  *-------------------------------------------------------------------
1965  * prefs sync
1966  *-------------------------------------------------------------------
1967  */
1968
1969 static void image_options_set(ImageWindow *imd)
1970 {
1971         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
1972                                         "zoom_2pass", options->image.zoom_2pass,
1973                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
1974                                         "scroll_reset", options->image.scroll_reset_method,
1975                                         "cache_display", options->image.tile_cache_max,
1976                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
1977                                         "window_limit", options->image.limit_window_size,
1978                                         "window_limit_value", options->image.max_window_size,
1979                                         "autofit_limit", options->image.limit_autofit_size,
1980                                         "autofit_limit_value", options->image.max_autofit_size,
1981                                         "enlargement_limit_value", options->image.max_enlargement_size,
1982
1983                                         NULL);
1984
1985         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
1986
1987         image_stereo_set(imd, options->stereo.mode);
1988         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
1989                                         options->stereo.fixed_w, options->stereo.fixed_h,
1990                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
1991                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
1992 }
1993
1994 void image_options_sync(void)
1995 {
1996         GList *work;
1997
1998         work = image_list;
1999         while (work)
2000                 {
2001                 ImageWindow *imd;
2002
2003                 imd = work->data;
2004                 work = work->next;
2005
2006                 image_options_set(imd);
2007                 }
2008 }
2009
2010 /*
2011  *-------------------------------------------------------------------
2012  * init / destroy
2013  *-------------------------------------------------------------------
2014  */
2015
2016 static void image_free(ImageWindow *imd)
2017 {
2018         image_list = g_list_remove(image_list, imd);
2019
2020         if (imd->auto_refresh && imd->image_fd)
2021                 file_data_unregister_real_time_monitor(imd->image_fd);
2022
2023         file_data_unregister_notify_func(image_notify_cb, imd);
2024
2025         image_reset(imd);
2026
2027         image_read_ahead_cancel(imd);
2028
2029         file_data_unref(imd->image_fd);
2030         g_free(imd->title);
2031         g_free(imd->title_right);
2032         g_free(imd);
2033 }
2034
2035 static void image_destroy_cb(GtkWidget *widget, gpointer data)
2036 {
2037         ImageWindow *imd = data;
2038         image_free(imd);
2039 }
2040 #if GTK_CHECK_VERSION(3,0,0)
2041 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2042 {
2043         GtkAllocation allocation;
2044         gtk_widget_get_allocation(widget, &allocation);
2045         gtk_paint_flat_box(gtk_widget_get_style(widget),
2046                            cr,
2047                            gtk_widget_get_state(widget),
2048                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2049                            widget,
2050                            NULL,
2051                            allocation.x + 3, allocation.y + 3,
2052                            allocation.width - 6, allocation.height - 6);
2053
2054         if (gtk_widget_has_focus(widget))
2055                 {
2056                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
2057                                 widget, "image_window",
2058                                 allocation.x, allocation.y,
2059                                 allocation.width - 1, allocation.height - 1);
2060                 }
2061         else
2062                 {
2063                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
2064                                  widget, "image_window",
2065                                  allocation.x, allocation.y,
2066                                  allocation.width - 1, allocation.height - 1);
2067                 }
2068         return FALSE;
2069 }
2070
2071 #else
2072 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2073 {
2074         GtkAllocation allocation;
2075         gtk_widget_get_allocation(widget, &allocation);
2076         gtk_paint_flat_box(gtk_widget_get_style(widget),
2077                            gtk_widget_get_window(widget),
2078                            gtk_widget_get_state(widget),
2079                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2080                            NULL,
2081                            widget,
2082                            NULL,
2083                            allocation.x + 3, allocation.y + 3,
2084                            allocation.width - 6, allocation.height - 6);
2085
2086         if (gtk_widget_has_focus(widget))
2087                 {
2088                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
2089                                 &event->area, widget, "image_window",
2090                                 allocation.x, allocation.y,
2091                                 allocation.width - 1, allocation.height - 1);
2092                 }
2093         else
2094                 {
2095                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
2096                                  &event->area, widget, "image_window",
2097                                  allocation.x, allocation.y,
2098                                  allocation.width - 1, allocation.height - 1);
2099                 }
2100         return FALSE;
2101 }
2102 #endif
2103
2104
2105 void image_set_frame(ImageWindow *imd, gboolean frame)
2106 {
2107         frame = !!frame;
2108
2109         if (frame == imd->has_frame) return;
2110
2111         gtk_widget_hide(imd->pr);
2112
2113         if (frame)
2114                 {
2115                 imd->frame = gtk_frame_new(NULL);
2116                 DEBUG_NAME(imd->frame);
2117                 g_object_ref(imd->pr);
2118                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
2119                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
2120
2121                 g_object_unref(imd->pr);
2122                 gtk_widget_set_can_focus(imd->frame, TRUE);
2123                 gtk_widget_set_app_paintable(imd->frame, TRUE);
2124
2125 #if GTK_CHECK_VERSION(3,0,0)
2126                 g_signal_connect(G_OBJECT(imd->frame), "draw",
2127                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
2128 #else
2129                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
2130                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
2131 #endif
2132                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
2133                                  G_CALLBACK(image_focus_in_cb), imd);
2134
2135                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
2136                 gtk_widget_show(imd->frame);
2137                 }
2138         else
2139                 {
2140                 g_object_ref(imd->pr);
2141                 if (imd->frame)
2142                         {
2143                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
2144                         gtk_widget_destroy(imd->frame);
2145                         imd->frame = NULL;
2146                         }
2147                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
2148
2149                 g_object_unref(imd->pr);
2150                 }
2151
2152         gtk_widget_show(imd->pr);
2153
2154         imd->has_frame = frame;
2155 }
2156
2157 ImageWindow *image_new(gboolean frame)
2158 {
2159         ImageWindow *imd;
2160
2161         imd = g_new0(ImageWindow, 1);
2162
2163         imd->unknown = TRUE;
2164         imd->has_frame = -1; /* not initialized; for image_set_frame */
2165         imd->delay_alter_type = ALTER_NONE;
2166         imd->state = IMAGE_STATE_NONE;
2167         imd->color_profile_from_image = COLOR_PROFILE_NONE;
2168         imd->orientation = 1;
2169
2170         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
2171         DEBUG_NAME(imd->pr);
2172
2173         image_options_set(imd);
2174
2175         imd->widget = gtk_vbox_new(0, 0);
2176         DEBUG_NAME(imd->widget);
2177
2178         image_set_frame(imd, frame);
2179
2180         image_set_selectable(imd, 0);
2181
2182         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2183                          G_CALLBACK(image_click_cb), imd);
2184         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
2185                          G_CALLBACK(image_press_cb), imd);
2186         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
2187                          G_CALLBACK(image_scroll_notify_cb), imd);
2188
2189         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2190                          G_CALLBACK(image_scroll_cb), imd);
2191
2192         g_signal_connect(G_OBJECT(imd->pr), "destroy",
2193                          G_CALLBACK(image_destroy_cb), imd);
2194
2195         g_signal_connect(G_OBJECT(imd->pr), "zoom",
2196                          G_CALLBACK(image_zoom_cb), imd);
2197         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
2198                          G_CALLBACK(image_render_complete_cb), imd);
2199         g_signal_connect(G_OBJECT(imd->pr), "drag",
2200                          G_CALLBACK(image_drag_cb), imd);
2201
2202         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
2203
2204         image_list = g_list_append(image_list, imd);
2205
2206         return imd;
2207 }
2208
2209 void image_get_rectangle(gint *x1, gint *y1, gint *x2, gint *y2)
2210 {
2211         *x1 = rect_x1;
2212         *y1 = rect_y1;
2213         *x2 = rect_x2;
2214         *y2 = rect_y2;
2215 }
2216
2217 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */