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 "history_list.h"
  33 #include "image-load.h"
  34 #include "image-overlay.h"
  35 #include "layout.h"
  36 #include "layout_image.h"
  37 #include "pixbuf-renderer.h"
  38 #include "pixbuf_util.h"
  39 #include "ui_fileops.h"
  40
  41 #include "filedata.h"
  42 #include "filecache.h"
  43
  44 #include <math.h>
  45
  46 static GList *image_list = NULL;
  47
  48 void image_update_title(ImageWindow *imd);
  49 static void image_read_ahead_start(ImageWindow *imd);
  50 static void image_cache_set(ImageWindow *imd, FileData *fd);
  51
  52 // For draw rectangle function
  53 static gint pixbuf_start_x;
  54 static gint pixbuf_start_y;
  55 static gint image_start_x;
  56 static gint image_start_y;
  57 static gint rect_x1, rect_x2, rect_y1, rect_y2;
  58 static gint rect_id = 0;
  59
  60 /*
  61  *-------------------------------------------------------------------
  62  * 'signals'
  63  *-------------------------------------------------------------------
  64  */
  65
  66 static void image_click_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
  67 {
  68         ImageWindow *imd = data;
  69         if (!options->image_lm_click_nav && event->button == MOUSE_BUTTON_MIDDLE)
  70                 {
  71                 imd->mouse_wheel_mode = !imd->mouse_wheel_mode;
  72                 }
  73
  74         if (imd->func_button)
  75                 {
  76                 imd->func_button(imd, event, imd->data_button);
  77                 }
  78 }
  79
  80 static void switch_coords_orientation(ImageWindow *imd, gint x, gint y, gint width, gint height)
  81 {
  82         switch (imd->orientation)
  83                 {
  84                 case EXIF_ORIENTATION_TOP_LEFT:
  85                         /* normal -- nothing to do */
  86                         rect_x1 = image_start_x;
  87                         rect_y1 = image_start_y;
  88                         rect_x2 = x;
  89                         rect_y2 = y;
  90                         break;
  91                 case EXIF_ORIENTATION_TOP_RIGHT:
  92                         /* mirrored */
  93                         rect_x1 = width - x;
  94                         rect_y1 = image_start_y;
  95                         rect_x2 = width - image_start_x;
  96                         rect_y2 = y;
  97                         break;
  98                 case EXIF_ORIENTATION_BOTTOM_RIGHT:
  99                         /* upside down */
 100                         rect_x1 = width - x;
 101                         rect_y1 = height - y;
 102                         rect_x2 = width - image_start_x;
 103                         rect_y2 = height - image_start_y;
 104                         break;
 105                 case EXIF_ORIENTATION_BOTTOM_LEFT:
 106                         /* flipped */
 107                         rect_x1 = image_start_x;
 108                         rect_y1 = height - y;
 109                         rect_x2 = x;
 110                         rect_y2 = height - image_start_y;
 111                         break;
 112                 case EXIF_ORIENTATION_LEFT_TOP:
 113                         /* left mirrored */
 114                         rect_x1 = image_start_y;
 115                         rect_y1 = image_start_x;
 116                         rect_x2 = y;
 117                         rect_y2 = x;
 118                         break;
 119                 case EXIF_ORIENTATION_RIGHT_TOP:
 120                         /* rotated -90 (270) */
 121                         rect_x1 = image_start_y;
 122                         rect_y1 = width - x;
 123                         rect_x2 = y;
 124                         rect_y2 = width - image_start_x;
 125                         break;
 126                 case EXIF_ORIENTATION_RIGHT_BOTTOM:
 127                         /* right mirrored */
 128                         rect_x1 = height - y;
 129                         rect_y1 = width - x;
 130                         rect_x2 = height - image_start_y;
 131                         rect_y2 = width - image_start_x;
 132                         break;
 133                 case EXIF_ORIENTATION_LEFT_BOTTOM:
 134                         /* rotated 90 */
 135                         rect_x1 = height - y;
 136                         rect_y1 = image_start_x;
 137                         rect_x2 = height - image_start_y;
 138                         rect_y2 = x;
 139                         break;
 140                 default:
 141                         /* The other values are out of range */
 142                         break;
 143                 }
 144 }
 145
 146 static void image_press_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
 147 {
 148         ImageWindow *imd = data;
 149         LayoutWindow *lw;
 150         gint x_pixel, y_pixel;
 151
 152         if(options->draw_rectangle)
 153                 {
 154                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 155
 156                 pixbuf_start_x = event->x;
 157                 pixbuf_start_y = event->y;
 158
 159                 if (x_pixel == -1)
 160                         {
 161                         image_start_x = 0;
 162                         }
 163                 else
 164                         {
 165                         image_start_x = x_pixel;
 166                         }
 167
 168                 if (y_pixel == -1)
 169                         {
 170                         image_start_y = 0;
 171                         }
 172                 else
 173                         {
 174                         image_start_y = y_pixel;
 175                         }
 176                 }
 177
 178         if (rect_id)
 179                 {
 180                 pixbuf_renderer_overlay_remove((PixbufRenderer *)imd->pr, rect_id);
 181                 }
 182
 183         lw = layout_find_by_image(imd);
 184         if (lw && event->button == MOUSE_BUTTON_LEFT && event->type == GDK_2BUTTON_PRESS
 185                                                                                                 && !options->image_lm_click_nav)
 186                 {
 187                 if (lw->full_screen)
 188                         layout_image_full_screen_stop(lw);
 189                 }
 190 }
 191
 192 static void image_drag_cb(PixbufRenderer *pr, GdkEventMotion *event, gpointer data)
 193 {
 194         ImageWindow *imd = data;
 195         gint width, height;
 196         gint rect_width;
 197         gint rect_height;
 198         GdkPixbuf *rect_pixbuf;
 199         gint x_pixel, y_pixel;
 200         gint image_x_pixel, image_y_pixel;
 201
 202         if (options->draw_rectangle)
 203                 {
 204                 pixbuf_renderer_get_image_size(pr, &width, &height);
 205                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 206
 207                 if (x_pixel == -1)
 208                         {
 209                         image_x_pixel = width;
 210                         }
 211                 else
 212                         {
 213                         image_x_pixel = x_pixel;
 214                         }
 215
 216                 if (y_pixel == -1)
 217                         {
 218                         image_y_pixel = height;
 219                         }
 220                 else
 221                         {
 222                         image_y_pixel = y_pixel;
 223                         }
 224
 225                 switch_coords_orientation(imd, image_x_pixel, image_y_pixel, width, height);
 226                 if (rect_id)
 227                         {
 228                         pixbuf_renderer_overlay_remove((PixbufRenderer *)imd->pr, rect_id);
 229                         }
 230
 231                 rect_width = pr->drag_last_x - pixbuf_start_x;
 232                 if (rect_width <= 0)
 233                         {
 234                         rect_width = 1;
 235                         }
 236                 rect_height = pr->drag_last_y - pixbuf_start_y;
 237                 if (rect_height <= 0)
 238                         {
 239                         rect_height = 1;
 240                         }
 241
 242                 rect_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, rect_width, rect_height);
 243                 pixbuf_set_rect_fill(rect_pixbuf, 0, 0, rect_width, rect_height, 255, 255, 255, 0);
 244                 pixbuf_set_rect(rect_pixbuf, 1, 1, rect_width-2, rect_height - 2, 0, 0, 0, 255, 1, 1, 1, 1);
 245                 pixbuf_set_rect(rect_pixbuf, 2, 2, rect_width-4, rect_height - 4, 255, 255, 255, 255, 1, 1, 1, 1);
 246
 247                 rect_id = pixbuf_renderer_overlay_add((PixbufRenderer *)imd->pr, rect_pixbuf, pixbuf_start_x, pixbuf_start_y, OVL_NORMAL);
 248                 }
 249
 250         pixbuf_renderer_get_scaled_size(pr, &width, &height);
 251
 252         if (imd->func_drag)
 253                 {
 254                 imd->func_drag(imd, event,
 255                                (gfloat)(pr->drag_last_x - event->x) / width,
 256                                (gfloat)(pr->drag_last_y - event->y) / height,
 257                                imd->data_button);
 258                 }
 259 }
 260
 261 static void image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
 262 {
 263         ImageWindow *imd = data;
 264
 265         if (imd->func_scroll_notify && pr->scale)
 266                 {
 267                 imd->func_scroll_notify(imd,
 268                                         (gint)((gdouble)pr->x_scroll / pr->scale),
 269                                         (gint)((gdouble)pr->y_scroll / pr->scale),
 270                                         (gint)((gdouble)pr->image_width - pr->vis_width / pr->scale),
 271                                         (gint)((gdouble)pr->image_height - pr->vis_height / pr->scale),
 272                                         imd->data_scroll_notify);
 273                 }
 274 }
 275
 276 static void image_update_util(ImageWindow *imd)
 277 {
 278         if (imd->func_update) imd->func_update(imd, imd->data_update);
 279 }
 280
 281
 282 static void image_complete_util(ImageWindow *imd, gboolean preload)
 283 {
 284         if (imd->il && image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il)) return;
 285
 286         DEBUG_1("%s image load completed \"%s\" (%s)", get_exec_time(),
 287                           (preload) ? (imd->read_ahead_fd ? imd->read_ahead_fd->path : "null") :
 288                                       (imd->image_fd ? imd->image_fd->path : "null"),
 289                           (preload) ? "preload" : "current");
 290
 291         if (!preload) imd->completed = TRUE;
 292         if (imd->func_complete) imd->func_complete(imd, preload, imd->data_complete);
 293 }
 294
 295 static void image_render_complete_cb(PixbufRenderer *pr, gpointer data)
 296 {
 297         ImageWindow *imd = data;
 298
 299         image_complete_util(imd, FALSE);
 300 }
 301
 302 static void image_state_set(ImageWindow *imd, ImageState state)
 303 {
 304         if (state == IMAGE_STATE_NONE)
 305                 {
 306                 imd->state = state;
 307                 }
 308         else
 309                 {
 310                 imd->state |= state;
 311                 }
 312         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 313 }
 314
 315 static void image_state_unset(ImageWindow *imd, ImageState state)
 316 {
 317         imd->state &= ~state;
 318         if (imd->func_state) imd->func_state(imd, state, imd->data_state);
 319 }
 320
 321 static void image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
 322 {
 323         ImageWindow *imd = data;
 324
 325         if (imd->title_show_zoom) image_update_title(imd);
 326         image_state_set(imd, IMAGE_STATE_IMAGE);
 327         image_update_util(imd);
 328 }
 329
 330 /*
 331  *-------------------------------------------------------------------
 332  * misc
 333  *-------------------------------------------------------------------
 334  */
 335
 336 void image_update_title(ImageWindow *imd)
 337 {
 338         gchar *title = NULL;
 339         gchar *zoom = NULL;
 340         gchar *collection = NULL;
 341         LayoutWindow *lw;
 342         gchar *lw_ident = NULL;
 343
 344         if (!imd->top_window) return;
 345
 346         if (imd->collection && collection_to_number(imd->collection) >= 0)
 347                 {
 348                 const gchar *name = imd->collection->name;
 349                 if (!name) name = _("Untitled");
 350                 collection = g_strdup_printf(_(" (Collection %s)"), name);
 351                 }
 352
 353         if (imd->title_show_zoom)
 354                 {
 355                 gchar *buf = image_zoom_get_as_text(imd);
 356                 zoom = g_strconcat(" [", buf, "]", NULL);
 357                 g_free(buf);
 358                 }
 359
 360         lw = layout_find_by_image(imd);
 361         if (lw)
 362                 {
 363                 lw_ident = g_strconcat(" (", lw->options.id, ")", NULL);
 364                 }
 365
 366         title = g_strdup_printf("%s%s%s%s%s%s%s",
 367                 imd->title ? imd->title : "",
 368                 imd->image_fd ? imd->image_fd->name : "",
 369                 zoom ? zoom : "",
 370                 collection ? collection : "",
 371                 imd->image_fd ? " - " : "",
 372                 imd->title_right ? imd->title_right : "",
 373                 options->show_window_ids ? (lw_ident ? lw_ident : "") : ""
 374                 );
 375         if (lw_ident)
 376                 {
 377                 g_free(lw_ident);
 378                 }
 379
 380         gtk_window_set_title(GTK_WINDOW(imd->top_window), title);
 381
 382         g_free(title);
 383         g_free(zoom);
 384         g_free(collection);
 385 }
 386
 387 /*
 388  *-------------------------------------------------------------------
 389  * rotation, flip, etc.
 390  *-------------------------------------------------------------------
 391  */
 392 static gboolean image_get_x11_screen_profile(ImageWindow *imd, guchar **screen_profile, gint *screen_profile_len)
 393 {
 394         GdkScreen *screen = gtk_widget_get_screen(imd->widget);;
 395         GdkAtom    type   = GDK_NONE;
 396         gint       format = 0;
 397
 398         return (gdk_property_get(gdk_screen_get_root_window(screen),
 399                                  gdk_atom_intern ("_ICC_PROFILE", FALSE),
 400                                  GDK_NONE,
 401                                  0, 64 * 1024 * 1024, FALSE,
 402                                  &type, &format, screen_profile_len, screen_profile) && *screen_profile_len > 0);
 403 }
 404
 405 static gboolean image_post_process_color(ImageWindow *imd, gint start_row, gboolean run_in_bg)
 406 {
 407         ColorMan *cm;
 408         ColorManProfileType input_type;
 409         ColorManProfileType screen_type;
 410         const gchar *input_file = NULL;
 411         const gchar *screen_file = NULL;
 412         guchar *profile = NULL;
 413         guint profile_len;
 414         guchar *screen_profile = NULL;
 415         gint screen_profile_len;
 416         ExifData *exif;
 417
 418         if (imd->cm) return FALSE;
 419
 420         if (imd->color_profile_input >= COLOR_PROFILE_FILE &&
 421             imd->color_profile_input <  COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
 422                 {
 423                 const gchar *file = options->color_profile.input_file[imd->color_profile_input - COLOR_PROFILE_FILE];
 424
 425                 if (!is_readable_file(file)) return FALSE;
 426
 427                 input_type = COLOR_PROFILE_FILE;
 428                 input_file = file;
 429                 }
 430         else if (imd->color_profile_input >= COLOR_PROFILE_SRGB &&
 431                  imd->color_profile_input <  COLOR_PROFILE_FILE)
 432                 {
 433                 input_type = imd->color_profile_input;
 434                 input_file = NULL;
 435                 }
 436         else
 437                 {
 438                 return FALSE;
 439                 }
 440
 441         if (options->color_profile.use_x11_screen_profile &&
 442             image_get_x11_screen_profile(imd, &screen_profile, &screen_profile_len))
 443                 {
 444                 screen_type = COLOR_PROFILE_MEM;
 445                 DEBUG_1("Using X11 screen profile, length: %d", screen_profile_len);
 446                 }
 447         else if (options->color_profile.screen_file &&
 448             is_readable_file(options->color_profile.screen_file))
 449                 {
 450                 screen_type = COLOR_PROFILE_FILE;
 451                 screen_file = options->color_profile.screen_file;
 452                 }
 453         else
 454                 {
 455                 screen_type = COLOR_PROFILE_SRGB;
 456                 screen_file = NULL;
 457                 }
 458
 459
 460         imd->color_profile_from_image = COLOR_PROFILE_NONE;
 461
 462         exif = exif_read_fd(imd->image_fd);
 463
 464         if (exif)
 465                 {
 466                 profile = exif_get_color_profile(exif, &profile_len);
 467                 if (profile)
 468                         {
 469                         if (!imd->color_profile_use_image)
 470                                 {
 471                                 g_free(profile);
 472                                 profile = NULL;
 473                                 }
 474                         DEBUG_1("Found embedded color profile");
 475                         imd->color_profile_from_image = COLOR_PROFILE_MEM;
 476                         }
 477                 else
 478                         {
 479                         gchar *interop_index = exif_get_data_as_text(exif, "Exif.Iop.InteroperabilityIndex");
 480
 481                         if (interop_index)
 482                                 {
 483                                 /* Exif 2.21 specification */
 484                                 if (!strcmp(interop_index, "R98"))
 485                                         {
 486                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 487                                         DEBUG_1("Found EXIF 2.21 ColorSpace of sRGB");
 488                                         }
 489                                 else if (!strcmp(interop_index, "R03"))
 490                                         {
 491                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 492                                         DEBUG_1("Found EXIF 2.21 ColorSpace of AdobeRGB");
 493                                         }
 494                                 g_free(interop_index);
 495                                 }
 496                         else
 497                                 {
 498                                 gint cs;
 499
 500                                 /* ColorSpace == 1 specifies sRGB per EXIF 2.2 */
 501                                 if (!exif_get_integer(exif, "Exif.Photo.ColorSpace", &cs)) cs = 0;
 502                                 if (cs == 1)
 503                                         {
 504                                         imd->color_profile_from_image = COLOR_PROFILE_SRGB;
 505                                         DEBUG_1("Found EXIF 2.2 ColorSpace of sRGB");
 506                                         }
 507                                 else if (cs == 2)
 508                                         {
 509                                         /* non-standard way of specifying AdobeRGB (used by some software) */
 510                                         imd->color_profile_from_image = COLOR_PROFILE_ADOBERGB;
 511                                         DEBUG_1("Found EXIF 2.2 ColorSpace of AdobeRGB");
 512                                         }
 513                                 }
 514
 515                         if (imd->color_profile_use_image && imd->color_profile_from_image != COLOR_PROFILE_NONE)
 516                                {
 517                                input_type = imd->color_profile_from_image;
 518                                input_file = NULL;
 519                                }
 520                         }
 521
 522                 exif_free_fd(imd->image_fd, exif);
 523                 }
 524
 525
 526         if (profile)
 527                 {
 528                 cm = color_man_new_embedded(run_in_bg ? imd : NULL, NULL,
 529                                             profile, profile_len,
 530                                             screen_type, screen_file, screen_profile, screen_profile_len);
 531                 g_free(profile);
 532                 }
 533         else
 534                 {
 535                 cm = color_man_new(run_in_bg ? imd : NULL, NULL,
 536                                    input_type, input_file,
 537                                    screen_type, screen_file, screen_profile, screen_profile_len);
 538                 }
 539
 540         if (cm)
 541                 {
 542                 if (start_row > 0)
 543                         {
 544                         cm->row = start_row;
 545                         cm->incremental_sync = TRUE;
 546                         }
 547
 548                 imd->cm = (gpointer)cm;
 549                 }
 550
 551         image_update_util(imd);
 552
 553         if (screen_profile)
 554                 {
 555                 g_free(screen_profile);
 556                 screen_profile = NULL;
 557                 }
 558
 559         return !!cm;
 560 }
 561
 562
 563 static void image_post_process_tile_color_cb(PixbufRenderer *pr, GdkPixbuf **pixbuf, gint x, gint y, gint w, gint h, gpointer data)
 564 {
 565         ImageWindow *imd = (ImageWindow *)data;
 566         if (imd->cm) color_man_correct_region(imd->cm, *pixbuf, x, y, w, h);
 567         if (imd->desaturate) pixbuf_desaturate_rect(*pixbuf, x, y, w, h);
 568         if (imd->overunderexposed) pixbuf_highlight_overunderexposed(*pixbuf, x, y, w, h);
 569 }
 570
 571 void image_alter_orientation(ImageWindow *imd, FileData *fd_n, AlterType type)
 572 {
 573         static const gint rotate_90[]    = {1,   6, 7, 8, 5, 2, 3, 4, 1};
 574         static const gint rotate_90_cc[] = {1,   8, 5, 6, 7, 4, 1, 2, 3};
 575         static const gint rotate_180[]   = {1,   3, 4, 1, 2, 7, 8, 5, 6};
 576         static const gint mirror[]       = {1,   2, 1, 4, 3, 6, 5, 8, 7};
 577         static const gint flip[]         = {1,   4, 3, 2, 1, 8, 7, 6, 5};
 578
 579         gint orientation;
 580
 581         if (!imd || !imd->pr || !imd->image_fd || !fd_n) return;
 582
 583         orientation = EXIF_ORIENTATION_TOP_LEFT;
 584         {
 585         if (fd_n->user_orientation)
 586                 {
 587                 orientation = fd_n->user_orientation;
 588                 }
 589         else
 590                 if (options->metadata.write_orientation)
 591                         {
 592                         orientation = metadata_read_int(fd_n, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 593                         }
 594         }
 595
 596         switch (type)
 597                 {
 598                 case ALTER_ROTATE_90:
 599                         orientation = rotate_90[orientation];
 600                         break;
 601                 case ALTER_ROTATE_90_CC:
 602                         orientation = rotate_90_cc[orientation];
 603                         break;
 604                 case ALTER_ROTATE_180:
 605                         orientation = rotate_180[orientation];
 606                         break;
 607                 case ALTER_MIRROR:
 608                         orientation = mirror[orientation];
 609                         break;
 610                 case ALTER_FLIP:
 611                         orientation = flip[orientation];
 612                         break;
 613                 case ALTER_NONE:
 614                         orientation = fd_n->exif_orientation ? fd_n->exif_orientation : 1;
 615                         break;
 616                 default:
 617                         return;
 618                         break;
 619                 }
 620
 621         if (orientation != (fd_n->exif_orientation ? fd_n->exif_orientation : 1))
 622                 {
 623                 if (!options->metadata.write_orientation)
 624                         {
 625                         /* user_orientation does not work together with options->metadata.write_orientation,
 626                            use either one or the other.
 627                            we must however handle switching metadata.write_orientation on and off, therefore
 628                            we just disable referencing new fd's, not unreferencing the old ones
 629                         */
 630                         if (fd_n->user_orientation == 0) file_data_ref(fd_n);
 631                         fd_n->user_orientation = orientation;
 632                         }
 633                 }
 634         else
 635                 {
 636                 if (fd_n->user_orientation != 0) file_data_unref(fd_n);
 637                 fd_n->user_orientation = 0;
 638                 }
 639
 640         if (options->metadata.write_orientation)
 641                 {
 642                 if (type == ALTER_NONE)
 643                         {
 644                         metadata_write_revert(fd_n, ORIENTATION_KEY);
 645                         }
 646                 else
 647                         {
 648                         metadata_write_int(fd_n, ORIENTATION_KEY, orientation);
 649                         }
 650                 }
 651
 652         if (imd->image_fd == fd_n && !(options->metadata.write_orientation && !options->image.exif_rotate_enable))
 653                 {
 654                 imd->orientation = orientation;
 655                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, orientation);
 656                 }
 657 }
 658
 659 void image_set_desaturate(ImageWindow *imd, gboolean desaturate)
 660 {
 661         imd->desaturate = desaturate;
 662         if (imd->cm || imd->desaturate || imd->overunderexposed)
 663                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 664         else
 665                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 666         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 667 }
 668
 669 gboolean image_get_desaturate(ImageWindow *imd)
 670 {
 671         return imd->desaturate;
 672 }
 673
 674 void image_set_overunderexposed(ImageWindow *imd, gboolean overunderexposed)
 675 {
 676         imd->overunderexposed = overunderexposed;
 677         if (imd->cm || imd->desaturate || imd->overunderexposed)
 678                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 679         else
 680                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 681         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 682 }
 683
 684 gboolean image_get_overunderexposed(ImageWindow *imd)
 685 {
 686         return imd->overunderexposed;
 687 }
 688
 689 void image_set_ignore_alpha(ImageWindow *imd, gboolean ignore_alpha)
 690 {
 691    pixbuf_renderer_set_ignore_alpha((PixbufRenderer *)imd->pr, ignore_alpha);
 692 }
 693
 694 /*
 695  *-------------------------------------------------------------------
 696  * read ahead (prebuffer)
 697  *-------------------------------------------------------------------
 698  */
 699
 700 static void image_read_ahead_cancel(ImageWindow *imd)
 701 {
 702         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 703
 704         image_loader_free(imd->read_ahead_il);
 705         imd->read_ahead_il = NULL;
 706
 707         file_data_unref(imd->read_ahead_fd);
 708         imd->read_ahead_fd = NULL;
 709 }
 710
 711 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 712 {
 713         ImageWindow *imd = data;
 714
 715         if (!imd->read_ahead_fd || !imd->read_ahead_il) return;
 716
 717         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 718
 719         if (!imd->read_ahead_fd->pixbuf)
 720                 {
 721                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 722                 if (imd->read_ahead_fd->pixbuf)
 723                         {
 724                         g_object_ref(imd->read_ahead_fd->pixbuf);
 725                         image_cache_set(imd, imd->read_ahead_fd);
 726                         }
 727                 }
 728         image_loader_free(imd->read_ahead_il);
 729         imd->read_ahead_il = NULL;
 730
 731         image_complete_util(imd, TRUE);
 732 }
 733
 734 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 735 {
 736         /* we even treat errors as success, maybe at least some of the file was ok */
 737         image_read_ahead_done_cb(il, data);
 738 }
 739
 740 static void image_read_ahead_start(ImageWindow *imd)
 741 {
 742         /* already started ? */
 743         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 744
 745         /* still loading ?, do later */
 746         if (imd->il /*|| imd->cm*/) return;
 747
 748         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 749
 750         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 751
 752         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 753
 754         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 755         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 756
 757         if (!image_loader_start(imd->read_ahead_il))
 758                 {
 759                 image_read_ahead_cancel(imd);
 760                 image_complete_util(imd, TRUE);
 761                 }
 762 }
 763
 764 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 765 {
 766         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 767
 768         image_read_ahead_cancel(imd);
 769
 770         imd->read_ahead_fd = file_data_ref(fd);
 771
 772         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 773
 774         image_read_ahead_start(imd);
 775 }
 776
 777 /*
 778  *-------------------------------------------------------------------
 779  * post buffering
 780  *-------------------------------------------------------------------
 781  */
 782
 783 static void image_cache_release_cb(FileData *fd)
 784 {
 785         g_object_unref(fd->pixbuf);
 786         fd->pixbuf = NULL;
 787 }
 788
 789 static FileCacheData *image_get_cache(void)
 790 {
 791         static FileCacheData *cache = NULL;
 792         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 793         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 794         return cache;
 795 }
 796
 797 static void image_cache_set(ImageWindow *imd, FileData *fd)
 798 {
 799         g_assert(fd->pixbuf);
 800
 801         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 802         file_data_send_notification(fd, NOTIFY_PIXBUF); /* to update histogram */
 803 }
 804
 805 static gint image_cache_get(ImageWindow *imd)
 806 {
 807         gint success;
 808
 809         success = file_cache_get(image_get_cache(), imd->image_fd);
 810         if (success)
 811                 {
 812                 g_assert(imd->image_fd->pixbuf);
 813                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 814                 }
 815
 816 //      file_cache_dump(image_get_cache());
 817         return success;
 818 }
 819
 820 /*
 821  *-------------------------------------------------------------------
 822  * loading
 823  *-------------------------------------------------------------------
 824  */
 825
 826 static void image_load_pixbuf_ready(ImageWindow *imd)
 827 {
 828         if (image_get_pixbuf(imd) || !imd->il) return;
 829
 830         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 831 }
 832
 833 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 834 {
 835         ImageWindow *imd = data;
 836         PixbufRenderer *pr;
 837
 838         pr = (PixbufRenderer *)imd->pr;
 839
 840         if (imd->delay_flip &&
 841             pr->pixbuf != image_loader_get_pixbuf(il))
 842                 {
 843                 return;
 844                 }
 845
 846         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 847
 848         pixbuf_renderer_area_changed(pr, x, y, w, h);
 849 }
 850
 851 static void image_load_done_cb(ImageLoader *il, gpointer data)
 852 {
 853         ImageWindow *imd = data;
 854
 855         DEBUG_1("%s image done", get_exec_time());
 856
 857         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 858                 {
 859                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 860                 image_cache_set(imd, imd->image_fd);
 861                 }
 862         /* call the callback triggered by image_state after fd->pixbuf is set */
 863         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 864         image_state_unset(imd, IMAGE_STATE_LOADING);
 865
 866         if (!image_loader_get_pixbuf(imd->il))
 867                 {
 868                 GdkPixbuf *pixbuf;
 869
 870                 switch (imd->image_fd->format_class)
 871                         {
 872                         case FORMAT_CLASS_UNKNOWN:
 873                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_UNKNOWN);
 874                                 break;
 875                         case FORMAT_CLASS_META:
 876                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_METADATA);
 877                                 break;
 878                         case FORMAT_CLASS_VIDEO:
 879                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_VIDEO);
 880                                 break;
 881                         case FORMAT_CLASS_COLLECTION:
 882                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_COLLECTION);
 883                                 break;
 884                         case FORMAT_CLASS_DOCUMENT:
 885                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_ICON_PDF);
 886                                 break;
 887                         default:
 888                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 889                         }
 890
 891                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 892                 g_object_unref(pixbuf);
 893
 894                 imd->unknown = TRUE;
 895                 }
 896         else if (imd->delay_flip &&
 897             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 898                 {
 899                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 900                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 901                 }
 902
 903         image_loader_free(imd->il);
 904         imd->il = NULL;
 905
 906 //      image_post_process(imd, TRUE);
 907
 908         image_read_ahead_start(imd);
 909 }
 910
 911 static void image_load_size_cb(ImageLoader *il, guint width, guint height, gpointer data)
 912 {
 913         ImageWindow *imd = data;
 914
 915         DEBUG_1("image_load_size_cb: %dx%d", width, height);
 916         pixbuf_renderer_set_size_early((PixbufRenderer *)imd->pr, width, height);
 917 }
 918
 919 static void image_load_error_cb(ImageLoader *il, gpointer data)
 920 {
 921         DEBUG_1("%s image error", get_exec_time());
 922
 923         /* even on error handle it like it was done,
 924          * since we have a pixbuf with _something_ */
 925
 926         image_load_done_cb(il, data);
 927 }
 928
 929 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 930 {
 931         g_assert(imd->il);
 932         if (override_old_signals)
 933                 {
 934                 /* override the old signals */
 935                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 936                 }
 937
 938         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 939         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 940         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 941         g_signal_connect(G_OBJECT(imd->il), "size_prepared", (GCallback)image_load_size_cb, imd);
 942 }
 943
 944 /* this read ahead is located here merely for the callbacks, above */
 945
 946 static gboolean image_read_ahead_check(ImageWindow *imd)
 947 {
 948         if (!imd->read_ahead_fd) return FALSE;
 949         if (imd->il) return FALSE;
 950
 951         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 952                 {
 953                 image_read_ahead_cancel(imd);
 954                 return FALSE;
 955                 }
 956
 957         if (imd->read_ahead_il)
 958                 {
 959                 imd->il = imd->read_ahead_il;
 960                 imd->read_ahead_il = NULL;
 961
 962                 image_load_set_signals(imd, TRUE);
 963
 964                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 965                 image_state_set(imd, IMAGE_STATE_LOADING);
 966
 967                 if (!imd->delay_flip)
 968                         {
 969                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 970                         }
 971
 972                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 973
 974                 file_data_unref(imd->read_ahead_fd);
 975                 imd->read_ahead_fd = NULL;
 976                 return TRUE;
 977                 }
 978         else if (imd->read_ahead_fd->pixbuf)
 979                 {
 980                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 981
 982                 file_data_unref(imd->read_ahead_fd);
 983                 imd->read_ahead_fd = NULL;
 984
 985 //              image_post_process(imd, FALSE);
 986                 return TRUE;
 987                 }
 988
 989         image_read_ahead_cancel(imd);
 990         return FALSE;
 991 }
 992
 993 static gboolean image_load_begin(ImageWindow *imd, FileData *fd)
 994 {
 995         DEBUG_1("%s image begin", get_exec_time());
 996
 997         if (imd->il) return FALSE;
 998
 999         imd->completed = FALSE;
1000         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
1001
1002         if (image_cache_get(imd))
1003                 {
1004                 DEBUG_1("from cache: %s", imd->image_fd->path);
1005                 return TRUE;
1006                 }
1007
1008         if (image_read_ahead_check(imd))
1009                 {
1010                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
1011                 return TRUE;
1012                 }
1013
1014         if (!imd->delay_flip && image_get_pixbuf(imd))
1015                 {
1016                 PixbufRenderer *pr;
1017
1018                 pr = PIXBUF_RENDERER(imd->pr);
1019                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1020                 pr->pixbuf = NULL;
1021                 }
1022
1023         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
1024
1025         imd->il = image_loader_new(fd);
1026
1027         image_load_set_signals(imd, FALSE);
1028
1029         if (!image_loader_start(imd->il))
1030                 {
1031                 DEBUG_1("image start error");
1032
1033                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
1034
1035                 image_loader_free(imd->il);
1036                 imd->il = NULL;
1037
1038                 image_complete_util(imd, FALSE);
1039
1040                 return FALSE;
1041                 }
1042
1043         image_state_set(imd, IMAGE_STATE_LOADING);
1044
1045 /*
1046         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
1047                 {
1048                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
1049                 }
1050 */
1051         return TRUE;
1052 }
1053
1054 static void image_reset(ImageWindow *imd)
1055 {
1056         /* stops anything currently being done */
1057
1058         DEBUG_1("%s image reset", get_exec_time());
1059
1060         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
1061
1062         image_loader_free(imd->il);
1063         imd->il = NULL;
1064
1065         color_man_free((ColorMan *)imd->cm);
1066         imd->cm = NULL;
1067
1068         imd->delay_alter_type = ALTER_NONE;
1069
1070         image_state_set(imd, IMAGE_STATE_NONE);
1071 }
1072
1073 /*
1074  *-------------------------------------------------------------------
1075  * image changer
1076  *-------------------------------------------------------------------
1077  */
1078
1079 static void image_change_complete(ImageWindow *imd, gdouble zoom)
1080 {
1081         image_reset(imd);
1082         imd->unknown = TRUE;
1083
1084         if (!imd->image_fd)
1085                 {
1086                 image_change_pixbuf(imd, NULL, zoom, FALSE);
1087                 }
1088         else
1089                 {
1090
1091                 if (is_readable_file(imd->image_fd->path))
1092                         {
1093                         PixbufRenderer *pr;
1094
1095                         pr = PIXBUF_RENDERER(imd->pr);
1096                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
1097
1098                         if (image_load_begin(imd, imd->image_fd))
1099                                 {
1100                                 imd->unknown = FALSE;
1101                                 }
1102                         }
1103
1104                 if (imd->unknown == TRUE)
1105                         {
1106                         GdkPixbuf *pixbuf;
1107
1108                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
1109                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
1110                         g_object_unref(pixbuf);
1111                         }
1112                 }
1113
1114         image_update_util(imd);
1115 }
1116
1117 static void image_change_real(ImageWindow *imd, FileData *fd,
1118                               CollectionData *cd, CollectInfo *info, gdouble zoom)
1119 {
1120
1121         imd->collection = cd;
1122         imd->collection_info = info;
1123
1124         if (imd->auto_refresh && imd->image_fd)
1125                 file_data_unregister_real_time_monitor(imd->image_fd);
1126
1127         file_data_unref(imd->image_fd);
1128         imd->image_fd = file_data_ref(fd);
1129
1130
1131         image_change_complete(imd, zoom);
1132
1133         image_update_title(imd);
1134         image_state_set(imd, IMAGE_STATE_IMAGE);
1135
1136         if (imd->auto_refresh && imd->image_fd)
1137                 file_data_register_real_time_monitor(imd->image_fd);
1138 }
1139
1140 /*
1141  *-------------------------------------------------------------------
1142  * focus stuff
1143  *-------------------------------------------------------------------
1144  */
1145
1146 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1147 {
1148         ImageWindow *imd = data;
1149
1150         if (imd->func_focus_in)
1151                 {
1152                 imd->func_focus_in(imd, imd->data_focus_in);
1153                 }
1154
1155         return TRUE;
1156 }
1157
1158 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
1159 {
1160         ImageWindow *imd = data;
1161         gboolean in_lw = FALSE;
1162         gint i = 0;
1163         LayoutWindow *lw = NULL;
1164
1165         if (imd->func_scroll && event && event->type == GDK_SCROLL)
1166                 {
1167                 layout_valid(&lw);
1168                 /* check if the image is in a layout window */
1169                 for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1170                         {
1171                         if (imd == lw->split_images[i])
1172                                 {
1173                                 in_lw = TRUE;
1174                                 break;
1175                                 }
1176                         }
1177
1178                 if (in_lw)
1179                         {
1180                         if (lw->options.split_pane_sync)
1181                                 {
1182                                 for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1183                                         {
1184                                         if (lw->split_images[i])
1185                                                 {
1186                                                 layout_image_activate(lw, i, FALSE);
1187                                                 imd->func_scroll(lw->split_images[i], event, lw->split_images[i]->data_scroll);
1188                                                 }
1189                                         }
1190                                 }
1191                         else
1192                                 {
1193                                 imd->func_scroll(imd, event, imd->data_scroll);
1194                                 }
1195                         return TRUE;
1196                         }
1197                 else
1198                         {
1199                         imd->func_scroll(imd, event, imd->data_scroll);
1200                         return TRUE;
1201                         }
1202                 }
1203
1204         return FALSE;
1205 }
1206
1207 /*
1208  *-------------------------------------------------------------------
1209  * public interface
1210  *-------------------------------------------------------------------
1211  */
1212
1213 void image_attach_window(ImageWindow *imd, GtkWidget *window,
1214                          const gchar *title, const gchar *title_right, gboolean show_zoom)
1215 {
1216         LayoutWindow *lw;
1217
1218         imd->top_window = window;
1219         g_free(imd->title);
1220         imd->title = g_strdup(title);
1221         g_free(imd->title_right);
1222         imd->title_right = g_strdup(title_right);
1223         imd->title_show_zoom = show_zoom;
1224
1225         lw = layout_find_by_image(imd);
1226
1227         if (!(options->image.fit_window_to_image && lw && (lw->options.tools_float || lw->options.tools_hidden))) window = NULL;
1228
1229         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
1230
1231         image_update_title(imd);
1232 }
1233
1234 void image_set_update_func(ImageWindow *imd,
1235                            void (*func)(ImageWindow *imd, gpointer data),
1236                            gpointer data)
1237 {
1238         imd->func_update = func;
1239         imd->data_update = data;
1240 }
1241
1242 void image_set_complete_func(ImageWindow *imd,
1243                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
1244                              gpointer data)
1245 {
1246         imd->func_complete = func;
1247         imd->data_complete = data;
1248 }
1249
1250 void image_set_state_func(ImageWindow *imd,
1251                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
1252                         gpointer data)
1253 {
1254         imd->func_state = func;
1255         imd->data_state = data;
1256 }
1257
1258
1259 void image_set_button_func(ImageWindow *imd,
1260                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
1261                            gpointer data)
1262 {
1263         imd->func_button = func;
1264         imd->data_button = data;
1265 }
1266
1267 void image_set_drag_func(ImageWindow *imd,
1268                            void (*func)(ImageWindow *, GdkEventMotion *event, gdouble dx, gdouble dy, gpointer),
1269                            gpointer data)
1270 {
1271         imd->func_drag = func;
1272         imd->data_drag = data;
1273 }
1274
1275 void image_set_scroll_func(ImageWindow *imd,
1276                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
1277                            gpointer data)
1278 {
1279         imd->func_scroll = func;
1280         imd->data_scroll = data;
1281 }
1282
1283 void image_set_scroll_notify_func(ImageWindow *imd,
1284                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
1285                                   gpointer data)
1286 {
1287         imd->func_scroll_notify = func;
1288         imd->data_scroll_notify = data;
1289 }
1290
1291 void image_set_focus_in_func(ImageWindow *imd,
1292                            void (*func)(ImageWindow *, gpointer),
1293                            gpointer data)
1294 {
1295         imd->func_focus_in = func;
1296         imd->data_focus_in = data;
1297 }
1298
1299 /* path, name */
1300
1301 const gchar *image_get_path(ImageWindow *imd)
1302 {
1303         if (imd->image_fd == NULL) return NULL;
1304         return imd->image_fd->path;
1305 }
1306
1307 const gchar *image_get_name(ImageWindow *imd)
1308 {
1309         if (imd->image_fd == NULL) return NULL;
1310         return imd->image_fd->name;
1311 }
1312
1313 FileData *image_get_fd(ImageWindow *imd)
1314 {
1315         return imd->image_fd;
1316 }
1317
1318 /* merely changes path string, does not change the image! */
1319 void image_set_fd(ImageWindow *imd, FileData *fd)
1320 {
1321         if (imd->auto_refresh && imd->image_fd)
1322                 file_data_unregister_real_time_monitor(imd->image_fd);
1323
1324         file_data_unref(imd->image_fd);
1325         imd->image_fd = file_data_ref(fd);
1326
1327         image_update_title(imd);
1328         image_state_set(imd, IMAGE_STATE_IMAGE);
1329
1330         if (imd->auto_refresh && imd->image_fd)
1331                 file_data_register_real_time_monitor(imd->image_fd);
1332 }
1333
1334 /* load a new image */
1335
1336 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1337 {
1338         if (imd->image_fd == fd) return;
1339
1340         image_change_real(imd, fd, NULL, NULL, zoom);
1341 }
1342
1343 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1344 {
1345         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1346 }
1347
1348 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1349 {
1350         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1351 }
1352
1353 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1354 {
1355         LayoutWindow *lw;
1356         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1357         /* read_exif and similar functions can actually notice that the file has changed and trigger
1358            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1359            here before it is taken over by the renderer. */
1360         if (pixbuf) g_object_ref(pixbuf);
1361
1362         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1363         if (imd->image_fd)
1364                 {
1365                 if (imd->image_fd->user_orientation)
1366                         {
1367                         imd->orientation = imd->image_fd->user_orientation;
1368                         }
1369                 else if (options->image.exif_rotate_enable)
1370                         {
1371                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1372                         imd->image_fd->exif_orientation = imd->orientation;
1373                         }
1374                 }
1375
1376         if (pixbuf)
1377                 {
1378                 stereo_data = imd->user_stereo;
1379                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1380                         {
1381                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1382                         }
1383                 }
1384
1385         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1386         if (imd->cm)
1387                 {
1388                 color_man_free(imd->cm);
1389                 imd->cm = NULL;
1390                 }
1391
1392         if (lazy)
1393                 {
1394                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1395                 }
1396         else
1397                 {
1398                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1399                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1400                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1401                 }
1402
1403         if (pixbuf) g_object_unref(pixbuf);
1404
1405         /* Color correction takes too much time for an animated gif */
1406         lw = layout_find_by_image(imd);
1407         if (imd->color_profile_enable && lw && !lw->animation)
1408                 {
1409                 image_post_process_color(imd, 0, FALSE); /** @todo error handling */
1410                 }
1411
1412         if (imd->cm || imd->desaturate || imd->overunderexposed)
1413                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1414
1415         image_state_set(imd, IMAGE_STATE_IMAGE);
1416 }
1417
1418 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1419 {
1420         CollectWindow *cw;
1421
1422         if (!cd || !info || !g_list_find(cd->list, info)) return;
1423
1424         image_change_real(imd, info->fd, cd, info, zoom);
1425         cw = collection_window_find(cd);
1426         if (cw)
1427                 {
1428                 collection_table_set_focus(cw->table, info);
1429                 collection_table_unselect_all(cw->table);
1430                 collection_table_select(cw->table,info);
1431                 }
1432
1433         if (info->fd)
1434                 {
1435                 image_chain_append_end(info->fd->path);
1436                 }
1437 }
1438
1439 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1440 {
1441         if (collection_to_number(imd->collection) >= 0)
1442                 {
1443                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1444                         {
1445                         if (info) *info = imd->collection_info;
1446                         }
1447                 else
1448                         {
1449                         if (info) *info = NULL;
1450                         }
1451                 return imd->collection;
1452                 }
1453
1454         if (info) *info = NULL;
1455         return NULL;
1456 }
1457
1458 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1459 {
1460         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1461                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1462
1463         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1464                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1465 }
1466
1467 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1468 {
1469         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1470                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1471
1472         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1473                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1474
1475         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1476                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1477 }
1478
1479 /* this is more like a move function
1480  * it moves most data from source to imd
1481  */
1482 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1483 {
1484         if (imd == source) return;
1485
1486         imd->unknown = source->unknown;
1487
1488         imd->collection = source->collection;
1489         imd->collection_info = source->collection_info;
1490
1491         image_loader_free(imd->il);
1492         imd->il = NULL;
1493
1494         image_set_fd(imd, image_get_fd(source));
1495
1496
1497         if (source->il)
1498                 {
1499                 imd->il = source->il;
1500                 source->il = NULL;
1501
1502                 image_loader_sync_data(imd->il, source, imd);
1503
1504                 imd->delay_alter_type = source->delay_alter_type;
1505                 source->delay_alter_type = ALTER_NONE;
1506                 }
1507
1508         imd->color_profile_enable = source->color_profile_enable;
1509         imd->color_profile_input = source->color_profile_input;
1510         imd->color_profile_use_image = source->color_profile_use_image;
1511         color_man_free((ColorMan *)imd->cm);
1512         imd->cm = NULL;
1513         if (source->cm)
1514                 {
1515                 ColorMan *cm;
1516
1517                 imd->cm = source->cm;
1518                 source->cm = NULL;
1519
1520                 cm = (ColorMan *)imd->cm;
1521                 cm->imd = imd;
1522                 cm->func_done_data = imd;
1523                 }
1524
1525         file_data_unref(imd->read_ahead_fd);
1526         source->read_ahead_fd = NULL;
1527
1528         imd->orientation = source->orientation;
1529         imd->desaturate = source->desaturate;
1530
1531         imd->user_stereo = source->user_stereo;
1532
1533         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1534
1535         if (imd->cm || imd->desaturate || imd->overunderexposed)
1536                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1537         else
1538                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1539
1540 }
1541
1542 /* this is  a copy function
1543  * source stays unchanged
1544  */
1545 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1546 {
1547         if (imd == source) return;
1548
1549         imd->unknown = source->unknown;
1550
1551         imd->collection = source->collection;
1552         imd->collection_info = source->collection_info;
1553
1554         image_loader_free(imd->il);
1555         imd->il = NULL;
1556
1557         image_set_fd(imd, image_get_fd(source));
1558
1559
1560         imd->color_profile_enable = source->color_profile_enable;
1561         imd->color_profile_input = source->color_profile_input;
1562         imd->color_profile_use_image = source->color_profile_use_image;
1563         color_man_free((ColorMan *)imd->cm);
1564         imd->cm = NULL;
1565         if (source->cm)
1566                 {
1567                 ColorMan *cm;
1568
1569                 imd->cm = source->cm;
1570                 source->cm = NULL;
1571
1572                 cm = (ColorMan *)imd->cm;
1573                 cm->imd = imd;
1574                 cm->func_done_data = imd;
1575                 }
1576
1577         image_loader_free(imd->read_ahead_il);
1578         imd->read_ahead_il = source->read_ahead_il;
1579         source->read_ahead_il = NULL;
1580         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1581
1582         file_data_unref(imd->read_ahead_fd);
1583         imd->read_ahead_fd = source->read_ahead_fd;
1584         source->read_ahead_fd = NULL;
1585
1586         imd->completed = source->completed;
1587         imd->state = source->state;
1588         source->state = IMAGE_STATE_NONE;
1589
1590         imd->orientation = source->orientation;
1591         imd->desaturate = source->desaturate;
1592
1593         imd->user_stereo = source->user_stereo;
1594
1595         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1596
1597         if (imd->cm || imd->desaturate || imd->overunderexposed)
1598                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1599         else
1600                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1601
1602 }
1603
1604
1605 /* manipulation */
1606
1607 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1608 {
1609         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1610 }
1611
1612 void image_reload(ImageWindow *imd)
1613 {
1614         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1615
1616         image_change_complete(imd, image_zoom_get(imd));
1617 }
1618
1619 void image_scroll(ImageWindow *imd, gint x, gint y)
1620 {
1621         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1622 }
1623
1624 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1625                            gdouble x_align, gdouble y_align)
1626 {
1627         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1628 }
1629
1630 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1631 {
1632         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1633 }
1634
1635 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1636 {
1637         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1638 }
1639
1640 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1641 {
1642         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1643 }
1644
1645 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1646 {
1647         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1648 }
1649
1650 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1651 {
1652         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1653 }
1654
1655 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1656 {
1657         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1658 }
1659
1660 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1661 {
1662         PixbufRenderer *pr;
1663         gdouble zoom;
1664         gint width, height;
1665
1666         pr = (PixbufRenderer *)imd->pr;
1667
1668         if (!pixbuf_renderer_get_pixbuf(pr) ||
1669             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1670
1671         if (vertical)
1672                 {
1673                 zoom = (gdouble)pr->viewport_height / height;
1674                 }
1675         else
1676                 {
1677                 zoom = (gdouble)pr->viewport_width / width;
1678                 }
1679
1680         if (zoom < 1.0)
1681                 {
1682                 zoom = 0.0 - 1.0 / zoom;
1683                 }
1684
1685         pixbuf_renderer_zoom_set(pr, zoom);
1686 }
1687
1688 gdouble image_zoom_get(ImageWindow *imd)
1689 {
1690         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1691 }
1692
1693 gdouble image_zoom_get_real(ImageWindow *imd)
1694 {
1695         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1696 }
1697
1698 gchar *image_zoom_get_as_text(ImageWindow *imd)
1699 {
1700         gdouble zoom;
1701         gdouble scale;
1702         gdouble l = 1.0;
1703         gdouble r = 1.0;
1704         gint pl = 0;
1705         gint pr = 0;
1706         gchar *approx = " ";
1707
1708         zoom = image_zoom_get(imd);
1709         scale = image_zoom_get_real(imd);
1710
1711         if (zoom > 0.0)
1712                 {
1713                 l = zoom;
1714                 }
1715         else if (zoom < 0.0)
1716                 {
1717                 r = 0.0 - zoom;
1718                 }
1719         else if (zoom == 0.0 && scale != 0.0)
1720                 {
1721                 if (scale >= 1.0)
1722                         {
1723                         l = scale;
1724                         }
1725                 else
1726                         {
1727                         r = 1.0 / scale;
1728                         }
1729                 approx = "~";
1730                 }
1731
1732         if (rint(l) != l) pl = 2;
1733         if (rint(r) != r) pr = 2;
1734
1735         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1736 }
1737
1738 gdouble image_zoom_get_default(ImageWindow *imd)
1739 {
1740         gdouble zoom = 1.0;
1741
1742         switch (options->image.zoom_mode)
1743         {
1744         case ZOOM_RESET_ORIGINAL:
1745                 break;
1746         case ZOOM_RESET_FIT_WINDOW:
1747                 zoom = 0.0;
1748                 break;
1749         case ZOOM_RESET_NONE:
1750                 if (imd) zoom = image_zoom_get(imd);
1751                 break;
1752         }
1753
1754         return zoom;
1755 }
1756
1757 /* stereo */
1758 gint image_stereo_get(ImageWindow *imd)
1759 {
1760         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1761 }
1762
1763 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1764 {
1765         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1766         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1767 }
1768
1769 void image_stereo_swap(ImageWindow *imd)
1770 {
1771         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1772         stereo_mode ^= PR_STEREO_SWAP;
1773         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1774 }
1775
1776 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1777 {
1778         return imd->user_stereo;
1779 }
1780
1781 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1782 {
1783         imd->user_stereo = stereo_mode;
1784         image_reload(imd);
1785 }
1786
1787 /* read ahead */
1788
1789 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1790 {
1791         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1792
1793         if (fd)
1794                 {
1795                 if (!file_cache_get(image_get_cache(), fd))
1796                         {
1797                         image_read_ahead_set(imd, fd);
1798                         }
1799                 }
1800         else
1801                 {
1802                 image_read_ahead_cancel(imd);
1803                 }
1804 }
1805
1806 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1807 {
1808         ImageWindow *imd = data;
1809
1810         if (!imd || !image_get_pixbuf(imd) ||
1811             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1812             !imd->image_fd || /* nothing to reload */
1813             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1814             ) return;
1815
1816         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1817                 {
1818                 /* there is no need to reload on NOTIFY_CHANGE,
1819                    modified files should be detacted anyway and NOTIFY_REREAD should be received
1820                    or they are removed from the filelist completely on "move" and "delete"
1821                 */
1822                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1823                 image_reload(imd);
1824                 }
1825 }
1826
1827 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1828 {
1829         if (!enable && imd->auto_refresh && imd->image_fd)
1830                 file_data_unregister_real_time_monitor(imd->image_fd);
1831
1832         if (enable && !imd->auto_refresh && imd->image_fd)
1833                 file_data_register_real_time_monitor(imd->image_fd);
1834
1835         imd->auto_refresh = enable;
1836 }
1837
1838 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1839 {
1840         imd->top_window_sync = allow_sync;
1841
1842         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1843 }
1844
1845 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1846 {
1847         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1848 }
1849
1850 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1851 {
1852         GdkColor *color = NULL;
1853
1854         if ((options->image.use_custom_border_color && !fullscreen) ||
1855             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1856                 {
1857                 color = &options->image.border_color;
1858                 }
1859
1860         image_background_set_color(imd, color);
1861 }
1862
1863 void image_color_profile_set(ImageWindow *imd,
1864                              gint input_type,
1865                              gboolean use_image)
1866 {
1867         if (!imd) return;
1868
1869         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1870                 {
1871                 return;
1872                 }
1873
1874         imd->color_profile_input = input_type;
1875         imd->color_profile_use_image = use_image;
1876 }
1877
1878 gboolean image_color_profile_get(ImageWindow *imd,
1879                                  gint *input_type,
1880                                  gboolean *use_image)
1881 {
1882         if (!imd) return FALSE;
1883
1884         if (input_type) *input_type = imd->color_profile_input;
1885         if (use_image) *use_image = imd->color_profile_use_image;
1886
1887         return TRUE;
1888 }
1889
1890 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1891 {
1892         if (!imd) return;
1893
1894         if (imd->color_profile_enable == enable) return;
1895
1896         imd->color_profile_enable = enable;
1897 }
1898
1899 gboolean image_color_profile_get_use(ImageWindow *imd)
1900 {
1901         if (!imd) return FALSE;
1902
1903         return imd->color_profile_enable;
1904 }
1905
1906 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1907 {
1908         ColorMan *cm;
1909         if (!imd) return FALSE;
1910
1911         cm = imd->cm;
1912         if (!cm) return FALSE;
1913         return color_man_get_status(cm, image_profile, screen_profile);
1914
1915 }
1916
1917 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1918 {
1919         if (!imd ||
1920             imd->delay_flip == delay) return;
1921
1922         imd->delay_flip = delay;
1923
1924         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1925
1926         if (!imd->delay_flip && imd->il)
1927                 {
1928                 PixbufRenderer *pr;
1929
1930                 pr = PIXBUF_RENDERER(imd->pr);
1931                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1932                 pr->pixbuf = NULL;
1933
1934                 image_load_pixbuf_ready(imd);
1935                 }
1936 }
1937
1938 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1939 {
1940 #if !GTK_CHECK_VERSION(3,0,0)
1941         GdkScreen *screen;
1942         GdkWindow *rootwindow;
1943         GdkPixmap *pixmap;
1944         GdkPixbuf *pixbuf;
1945         GdkPixbuf *pb;
1946         gint width, height;
1947
1948         if (!imd) return;
1949
1950         pixbuf = image_get_pixbuf(imd);
1951         if (!pixbuf) return;
1952
1953         screen = gtk_widget_get_screen(imd->widget);
1954         rootwindow = gdk_screen_get_root_window(screen);
1955         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1956
1957         if (scaled)
1958                 {
1959                 width = gdk_screen_width();
1960                 height = gdk_screen_height();
1961                 }
1962         else
1963                 {
1964                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1965                 }
1966
1967         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1968
1969         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1970         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1971         gdk_window_clear(rootwindow);
1972         g_object_unref(pb);
1973         g_object_unref(pixmap);
1974
1975         gdk_flush();
1976 #endif
1977 }
1978
1979 void image_select(ImageWindow *imd, gboolean select)
1980 {
1981         if (!imd->has_frame) return;
1982
1983         if (select)
1984                 {
1985                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1986                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1987                 }
1988         else
1989                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1990 }
1991
1992 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1993 {
1994         if (!imd->has_frame) return;
1995
1996         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1997         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1998 }
1999
2000 void image_grab_focus(ImageWindow *imd)
2001 {
2002         if (imd->has_frame)
2003                 {
2004                 gtk_widget_grab_focus(imd->frame);
2005                 }
2006         else
2007                 {
2008                 gtk_widget_grab_focus(imd->widget);
2009                 }
2010 }
2011
2012
2013 /*
2014  *-------------------------------------------------------------------
2015  * prefs sync
2016  *-------------------------------------------------------------------
2017  */
2018
2019 static void image_options_set(ImageWindow *imd)
2020 {
2021         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
2022                                         "zoom_2pass", options->image.zoom_2pass,
2023                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
2024                                         "scroll_reset", options->image.scroll_reset_method,
2025                                         "cache_display", options->image.tile_cache_max,
2026                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
2027                                         "window_limit", options->image.limit_window_size,
2028                                         "window_limit_value", options->image.max_window_size,
2029                                         "autofit_limit", options->image.limit_autofit_size,
2030                                         "autofit_limit_value", options->image.max_autofit_size,
2031                                         "enlargement_limit_value", options->image.max_enlargement_size,
2032
2033                                         NULL);
2034
2035         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
2036
2037         image_stereo_set(imd, options->stereo.mode);
2038         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
2039                                         options->stereo.fixed_w, options->stereo.fixed_h,
2040                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
2041                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
2042 }
2043
2044 void image_options_sync(void)
2045 {
2046         GList *work;
2047
2048         work = image_list;
2049         while (work)
2050                 {
2051                 ImageWindow *imd;
2052
2053                 imd = work->data;
2054                 work = work->next;
2055
2056                 image_options_set(imd);
2057                 }
2058 }
2059
2060 /*
2061  *-------------------------------------------------------------------
2062  * init / destroy
2063  *-------------------------------------------------------------------
2064  */
2065
2066 static void image_free(ImageWindow *imd)
2067 {
2068         image_list = g_list_remove(image_list, imd);
2069
2070         if (imd->auto_refresh && imd->image_fd)
2071                 file_data_unregister_real_time_monitor(imd->image_fd);
2072
2073         file_data_unregister_notify_func(image_notify_cb, imd);
2074
2075         image_reset(imd);
2076
2077         image_read_ahead_cancel(imd);
2078
2079         file_data_unref(imd->image_fd);
2080         g_free(imd->title);
2081         g_free(imd->title_right);
2082         g_free(imd);
2083 }
2084
2085 static void image_destroy_cb(GtkWidget *widget, gpointer data)
2086 {
2087         ImageWindow *imd = data;
2088         image_free(imd);
2089 }
2090 #if GTK_CHECK_VERSION(3,0,0)
2091 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2092 {
2093         GtkAllocation allocation;
2094         gtk_widget_get_allocation(widget, &allocation);
2095         gtk_paint_flat_box(gtk_widget_get_style(widget),
2096                            cr,
2097                            gtk_widget_get_state(widget),
2098                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2099                            widget,
2100                            NULL,
2101                            allocation.x + 3, allocation.y + 3,
2102                            allocation.width - 6, allocation.height - 6);
2103
2104         if (gtk_widget_has_focus(widget))
2105                 {
2106                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
2107                                 widget, "image_window",
2108                                 allocation.x, allocation.y,
2109                                 allocation.width - 1, allocation.height - 1);
2110                 }
2111         else
2112                 {
2113                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
2114                                  widget, "image_window",
2115                                  allocation.x, allocation.y,
2116                                  allocation.width - 1, allocation.height - 1);
2117                 }
2118         return FALSE;
2119 }
2120
2121 #else
2122 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2123 {
2124         GtkAllocation allocation;
2125         gtk_widget_get_allocation(widget, &allocation);
2126         gtk_paint_flat_box(gtk_widget_get_style(widget),
2127                            gtk_widget_get_window(widget),
2128                            gtk_widget_get_state(widget),
2129                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2130                            NULL,
2131                            widget,
2132                            NULL,
2133                            allocation.x + 3, allocation.y + 3,
2134                            allocation.width - 6, allocation.height - 6);
2135
2136         if (gtk_widget_has_focus(widget))
2137                 {
2138                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
2139                                 &event->area, widget, "image_window",
2140                                 allocation.x, allocation.y,
2141                                 allocation.width - 1, allocation.height - 1);
2142                 }
2143         else
2144                 {
2145                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
2146                                  &event->area, widget, "image_window",
2147                                  allocation.x, allocation.y,
2148                                  allocation.width - 1, allocation.height - 1);
2149                 }
2150         return FALSE;
2151 }
2152 #endif
2153
2154
2155 void image_set_frame(ImageWindow *imd, gboolean frame)
2156 {
2157         frame = !!frame;
2158
2159         if (frame == imd->has_frame) return;
2160
2161         gtk_widget_hide(imd->pr);
2162
2163         if (frame)
2164                 {
2165                 imd->frame = gtk_frame_new(NULL);
2166                 DEBUG_NAME(imd->frame);
2167                 g_object_ref(imd->pr);
2168                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
2169                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
2170
2171                 g_object_unref(imd->pr);
2172                 gtk_widget_set_can_focus(imd->frame, TRUE);
2173                 gtk_widget_set_app_paintable(imd->frame, TRUE);
2174
2175 #if GTK_CHECK_VERSION(3,0,0)
2176                 g_signal_connect(G_OBJECT(imd->frame), "draw",
2177                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
2178 #else
2179                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
2180                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
2181 #endif
2182                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
2183                                  G_CALLBACK(image_focus_in_cb), imd);
2184
2185                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
2186                 gtk_widget_show(imd->frame);
2187                 }
2188         else
2189                 {
2190                 g_object_ref(imd->pr);
2191                 if (imd->frame)
2192                         {
2193                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
2194                         gtk_widget_destroy(imd->frame);
2195                         imd->frame = NULL;
2196                         }
2197                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
2198
2199                 g_object_unref(imd->pr);
2200                 }
2201
2202         gtk_widget_show(imd->pr);
2203
2204         imd->has_frame = frame;
2205 }
2206
2207 ImageWindow *image_new(gboolean frame)
2208 {
2209         ImageWindow *imd;
2210
2211         imd = g_new0(ImageWindow, 1);
2212
2213         imd->unknown = TRUE;
2214         imd->has_frame = -1; /* not initialized; for image_set_frame */
2215         imd->delay_alter_type = ALTER_NONE;
2216         imd->state = IMAGE_STATE_NONE;
2217         imd->color_profile_from_image = COLOR_PROFILE_NONE;
2218         imd->orientation = 1;
2219
2220         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
2221         DEBUG_NAME(imd->pr);
2222
2223         image_options_set(imd);
2224
2225         imd->widget = gtk_vbox_new(0, 0);
2226         DEBUG_NAME(imd->widget);
2227
2228         image_set_frame(imd, frame);
2229
2230         image_set_selectable(imd, 0);
2231
2232         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2233                          G_CALLBACK(image_click_cb), imd);
2234         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
2235                          G_CALLBACK(image_press_cb), imd);
2236         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
2237                          G_CALLBACK(image_scroll_notify_cb), imd);
2238
2239         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2240                          G_CALLBACK(image_scroll_cb), imd);
2241
2242         g_signal_connect(G_OBJECT(imd->pr), "destroy",
2243                          G_CALLBACK(image_destroy_cb), imd);
2244
2245         g_signal_connect(G_OBJECT(imd->pr), "zoom",
2246                          G_CALLBACK(image_zoom_cb), imd);
2247         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
2248                          G_CALLBACK(image_render_complete_cb), imd);
2249         g_signal_connect(G_OBJECT(imd->pr), "drag",
2250                          G_CALLBACK(image_drag_cb), imd);
2251
2252         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
2253
2254         image_list = g_list_append(image_list, imd);
2255
2256         return imd;
2257 }
2258
2259 void image_get_rectangle(gint *x1, gint *y1, gint *x2, gint *y2)
2260 {
2261         *x1 = rect_x1;
2262         *y1 = rect_y1;
2263         *x2 = rect_x2;
2264         *y2 = rect_y2;
2265 }
2266
2267 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */