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                         if (g_strcmp0(imd->image_fd->format_name, "heif") == 0)
 593                                 {
 594                                 orientation = EXIF_ORIENTATION_TOP_LEFT;
 595                                 }
 596                         else
 597                                 {
 598                                 orientation = metadata_read_int(fd_n, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 599                                 }
 600                         }
 601         }
 602
 603         switch (type)
 604                 {
 605                 case ALTER_ROTATE_90:
 606                         orientation = rotate_90[orientation];
 607                         break;
 608                 case ALTER_ROTATE_90_CC:
 609                         orientation = rotate_90_cc[orientation];
 610                         break;
 611                 case ALTER_ROTATE_180:
 612                         orientation = rotate_180[orientation];
 613                         break;
 614                 case ALTER_MIRROR:
 615                         orientation = mirror[orientation];
 616                         break;
 617                 case ALTER_FLIP:
 618                         orientation = flip[orientation];
 619                         break;
 620                 case ALTER_NONE:
 621                         orientation = fd_n->exif_orientation ? fd_n->exif_orientation : 1;
 622                         break;
 623                 default:
 624                         return;
 625                         break;
 626                 }
 627
 628         if (orientation != (fd_n->exif_orientation ? fd_n->exif_orientation : 1))
 629                 {
 630                 if (g_strcmp0(fd_n->format_name, "heif") != 0)
 631                         {
 632                         if (!options->metadata.write_orientation)
 633                                 {
 634                                 /* user_orientation does not work together with options->metadata.write_orientation,
 635                                    use either one or the other.
 636                                    we must however handle switching metadata.write_orientation on and off, therefore
 637                                    we just disable referencing new fd's, not unreferencing the old ones
 638                                 */
 639                                 if (fd_n->user_orientation == 0) file_data_ref(fd_n);
 640                                 fd_n->user_orientation = orientation;
 641                                 }
 642                         }
 643                 else
 644                         {
 645                         if (fd_n->user_orientation == 0) file_data_ref(fd_n);
 646                         fd_n->user_orientation = orientation;
 647                         }
 648                 }
 649         else
 650                 {
 651                 if (fd_n->user_orientation != 0) file_data_unref(fd_n);
 652                 fd_n->user_orientation = 0;
 653                 }
 654
 655         if (g_strcmp0(fd_n->format_name, "heif") != 0)
 656                 {
 657                 if (options->metadata.write_orientation)
 658                         {
 659                         if (type == ALTER_NONE)
 660                                 {
 661                                 metadata_write_revert(fd_n, ORIENTATION_KEY);
 662                                 }
 663                         else
 664                                 {
 665                                 metadata_write_int(fd_n, ORIENTATION_KEY, orientation);
 666                                 }
 667                         }
 668                 }
 669
 670         if (imd->image_fd == fd_n && !(options->metadata.write_orientation && !options->image.exif_rotate_enable))
 671                 {
 672                 imd->orientation = orientation;
 673                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, orientation);
 674                 }
 675 }
 676
 677 void image_set_desaturate(ImageWindow *imd, gboolean desaturate)
 678 {
 679         imd->desaturate = desaturate;
 680         if (imd->cm || imd->desaturate || imd->overunderexposed)
 681                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 682         else
 683                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 684         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 685 }
 686
 687 gboolean image_get_desaturate(ImageWindow *imd)
 688 {
 689         return imd->desaturate;
 690 }
 691
 692 void image_set_overunderexposed(ImageWindow *imd, gboolean overunderexposed)
 693 {
 694         imd->overunderexposed = overunderexposed;
 695         if (imd->cm || imd->desaturate || imd->overunderexposed)
 696                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
 697         else
 698                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
 699         pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
 700 }
 701
 702 gboolean image_get_overunderexposed(ImageWindow *imd)
 703 {
 704         return imd->overunderexposed;
 705 }
 706
 707 void image_set_ignore_alpha(ImageWindow *imd, gboolean ignore_alpha)
 708 {
 709    pixbuf_renderer_set_ignore_alpha((PixbufRenderer *)imd->pr, ignore_alpha);
 710 }
 711
 712 /*
 713  *-------------------------------------------------------------------
 714  * read ahead (prebuffer)
 715  *-------------------------------------------------------------------
 716  */
 717
 718 static void image_read_ahead_cancel(ImageWindow *imd)
 719 {
 720         DEBUG_1("%s read ahead cancelled for :%s", get_exec_time(), imd->read_ahead_fd ? imd->read_ahead_fd->path : "null");
 721
 722         image_loader_free(imd->read_ahead_il);
 723         imd->read_ahead_il = NULL;
 724
 725         file_data_unref(imd->read_ahead_fd);
 726         imd->read_ahead_fd = NULL;
 727 }
 728
 729 static void image_read_ahead_done_cb(ImageLoader *il, gpointer data)
 730 {
 731         ImageWindow *imd = data;
 732
 733         if (!imd->read_ahead_fd || !imd->read_ahead_il) return;
 734
 735         DEBUG_1("%s read ahead done for :%s", get_exec_time(), imd->read_ahead_fd->path);
 736
 737         if (!imd->read_ahead_fd->pixbuf)
 738                 {
 739                 imd->read_ahead_fd->pixbuf = image_loader_get_pixbuf(imd->read_ahead_il);
 740                 if (imd->read_ahead_fd->pixbuf)
 741                         {
 742                         g_object_ref(imd->read_ahead_fd->pixbuf);
 743                         image_cache_set(imd, imd->read_ahead_fd);
 744                         }
 745                 }
 746         image_loader_free(imd->read_ahead_il);
 747         imd->read_ahead_il = NULL;
 748
 749         image_complete_util(imd, TRUE);
 750 }
 751
 752 static void image_read_ahead_error_cb(ImageLoader *il, gpointer data)
 753 {
 754         /* we even treat errors as success, maybe at least some of the file was ok */
 755         image_read_ahead_done_cb(il, data);
 756 }
 757
 758 static void image_read_ahead_start(ImageWindow *imd)
 759 {
 760         /* already started ? */
 761         if (!imd->read_ahead_fd || imd->read_ahead_il || imd->read_ahead_fd->pixbuf) return;
 762
 763         /* still loading ?, do later */
 764         if (imd->il /*|| imd->cm*/) return;
 765
 766         DEBUG_1("%s read ahead started for :%s", get_exec_time(), imd->read_ahead_fd->path);
 767
 768         imd->read_ahead_il = image_loader_new(imd->read_ahead_fd);
 769
 770         image_loader_delay_area_ready(imd->read_ahead_il, TRUE); /* we will need the area_ready signals later */
 771
 772         g_signal_connect(G_OBJECT(imd->read_ahead_il), "error", (GCallback)image_read_ahead_error_cb, imd);
 773         g_signal_connect(G_OBJECT(imd->read_ahead_il), "done", (GCallback)image_read_ahead_done_cb, imd);
 774
 775         if (!image_loader_start(imd->read_ahead_il))
 776                 {
 777                 image_read_ahead_cancel(imd);
 778                 image_complete_util(imd, TRUE);
 779                 }
 780 }
 781
 782 static void image_read_ahead_set(ImageWindow *imd, FileData *fd)
 783 {
 784         if (imd->read_ahead_fd && fd && imd->read_ahead_fd == fd) return;
 785
 786         image_read_ahead_cancel(imd);
 787
 788         imd->read_ahead_fd = file_data_ref(fd);
 789
 790         DEBUG_1("read ahead set to :%s", imd->read_ahead_fd->path);
 791
 792         image_read_ahead_start(imd);
 793 }
 794
 795 /*
 796  *-------------------------------------------------------------------
 797  * post buffering
 798  *-------------------------------------------------------------------
 799  */
 800
 801 static void image_cache_release_cb(FileData *fd)
 802 {
 803         g_object_unref(fd->pixbuf);
 804         fd->pixbuf = NULL;
 805 }
 806
 807 static FileCacheData *image_get_cache(void)
 808 {
 809         static FileCacheData *cache = NULL;
 810         if (!cache) cache = file_cache_new(image_cache_release_cb, 1);
 811         file_cache_set_max_size(cache, (gulong)options->image.image_cache_max * 1048576); /* update from options */
 812         return cache;
 813 }
 814
 815 static void image_cache_set(ImageWindow *imd, FileData *fd)
 816 {
 817         g_assert(fd->pixbuf);
 818
 819         file_cache_put(image_get_cache(), fd, (gulong)gdk_pixbuf_get_rowstride(fd->pixbuf) * (gulong)gdk_pixbuf_get_height(fd->pixbuf));
 820         file_data_send_notification(fd, NOTIFY_PIXBUF); /* to update histogram */
 821 }
 822
 823 static gint image_cache_get(ImageWindow *imd)
 824 {
 825         gint success;
 826
 827         success = file_cache_get(image_get_cache(), imd->image_fd);
 828         if (success)
 829                 {
 830                 g_assert(imd->image_fd->pixbuf);
 831                 image_change_pixbuf(imd, imd->image_fd->pixbuf, image_zoom_get(imd), FALSE);
 832                 }
 833
 834 //      file_cache_dump(image_get_cache());
 835         return success;
 836 }
 837
 838 /*
 839  *-------------------------------------------------------------------
 840  * loading
 841  *-------------------------------------------------------------------
 842  */
 843
 844 static void image_load_pixbuf_ready(ImageWindow *imd)
 845 {
 846         if (image_get_pixbuf(imd) || !imd->il) return;
 847
 848         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 849 }
 850
 851 static void image_load_area_cb(ImageLoader *il, guint x, guint y, guint w, guint h, gpointer data)
 852 {
 853         ImageWindow *imd = data;
 854         PixbufRenderer *pr;
 855
 856         pr = (PixbufRenderer *)imd->pr;
 857
 858         if (imd->delay_flip &&
 859             pr->pixbuf != image_loader_get_pixbuf(il))
 860                 {
 861                 return;
 862                 }
 863
 864         if (!pr->pixbuf) image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 865
 866         pixbuf_renderer_area_changed(pr, x, y, w, h);
 867 }
 868
 869 static void image_load_done_cb(ImageLoader *il, gpointer data)
 870 {
 871         ImageWindow *imd = data;
 872
 873         DEBUG_1("%s image done", get_exec_time());
 874
 875         if (options->image.enable_read_ahead && imd->image_fd && !imd->image_fd->pixbuf && image_loader_get_pixbuf(imd->il))
 876                 {
 877                 imd->image_fd->pixbuf = g_object_ref(image_loader_get_pixbuf(imd->il));
 878                 image_cache_set(imd, imd->image_fd);
 879                 }
 880         /* call the callback triggered by image_state after fd->pixbuf is set */
 881         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
 882         image_state_unset(imd, IMAGE_STATE_LOADING);
 883
 884         if (!image_loader_get_pixbuf(imd->il))
 885                 {
 886                 GdkPixbuf *pixbuf;
 887
 888                 switch (imd->image_fd->format_class)
 889                         {
 890                         case FORMAT_CLASS_UNKNOWN:
 891                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_UNKNOWN);
 892                                 break;
 893                         case FORMAT_CLASS_META:
 894                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_METADATA);
 895                                 break;
 896                         case FORMAT_CLASS_VIDEO:
 897                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_VIDEO);
 898                                 break;
 899                         case FORMAT_CLASS_COLLECTION:
 900                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_COLLECTION);
 901                                 break;
 902                         case FORMAT_CLASS_DOCUMENT:
 903                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_ICON_PDF);
 904                                 break;
 905                         default:
 906                                 pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
 907                         }
 908
 909                 image_change_pixbuf(imd, pixbuf, image_zoom_get(imd), FALSE);
 910                 g_object_unref(pixbuf);
 911
 912                 imd->unknown = TRUE;
 913                 }
 914         else if (imd->delay_flip &&
 915             image_get_pixbuf(imd) != image_loader_get_pixbuf(imd->il))
 916                 {
 917                 g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
 918                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), FALSE);
 919                 }
 920
 921         image_loader_free(imd->il);
 922         imd->il = NULL;
 923
 924 //      image_post_process(imd, TRUE);
 925
 926         image_read_ahead_start(imd);
 927 }
 928
 929 static void image_load_size_cb(ImageLoader *il, guint width, guint height, gpointer data)
 930 {
 931         ImageWindow *imd = data;
 932
 933         DEBUG_1("image_load_size_cb: %dx%d", width, height);
 934         pixbuf_renderer_set_size_early((PixbufRenderer *)imd->pr, width, height);
 935 }
 936
 937 static void image_load_error_cb(ImageLoader *il, gpointer data)
 938 {
 939         DEBUG_1("%s image error", get_exec_time());
 940
 941         /* even on error handle it like it was done,
 942          * since we have a pixbuf with _something_ */
 943
 944         image_load_done_cb(il, data);
 945 }
 946
 947 static void image_load_set_signals(ImageWindow *imd, gboolean override_old_signals)
 948 {
 949         g_assert(imd->il);
 950         if (override_old_signals)
 951                 {
 952                 /* override the old signals */
 953                 g_signal_handlers_disconnect_matched(G_OBJECT(imd->il), G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, imd);
 954                 }
 955
 956         g_signal_connect(G_OBJECT(imd->il), "area_ready", (GCallback)image_load_area_cb, imd);
 957         g_signal_connect(G_OBJECT(imd->il), "error", (GCallback)image_load_error_cb, imd);
 958         g_signal_connect(G_OBJECT(imd->il), "done", (GCallback)image_load_done_cb, imd);
 959         g_signal_connect(G_OBJECT(imd->il), "size_prepared", (GCallback)image_load_size_cb, imd);
 960 }
 961
 962 /* this read ahead is located here merely for the callbacks, above */
 963
 964 static gboolean image_read_ahead_check(ImageWindow *imd)
 965 {
 966         if (!imd->read_ahead_fd) return FALSE;
 967         if (imd->il) return FALSE;
 968
 969         if (!imd->image_fd || imd->read_ahead_fd != imd->image_fd)
 970                 {
 971                 image_read_ahead_cancel(imd);
 972                 return FALSE;
 973                 }
 974
 975         if (imd->read_ahead_il)
 976                 {
 977                 imd->il = imd->read_ahead_il;
 978                 imd->read_ahead_il = NULL;
 979
 980                 image_load_set_signals(imd, TRUE);
 981
 982                 g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
 983                 image_state_set(imd, IMAGE_STATE_LOADING);
 984
 985                 if (!imd->delay_flip)
 986                         {
 987                         image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
 988                         }
 989
 990                 image_loader_delay_area_ready(imd->il, FALSE); /* send the delayed area_ready signals */
 991
 992                 file_data_unref(imd->read_ahead_fd);
 993                 imd->read_ahead_fd = NULL;
 994                 return TRUE;
 995                 }
 996         else if (imd->read_ahead_fd->pixbuf)
 997                 {
 998                 image_change_pixbuf(imd, imd->read_ahead_fd->pixbuf, image_zoom_get(imd), FALSE);
 999
1000                 file_data_unref(imd->read_ahead_fd);
1001                 imd->read_ahead_fd = NULL;
1002
1003 //              image_post_process(imd, FALSE);
1004                 return TRUE;
1005                 }
1006
1007         image_read_ahead_cancel(imd);
1008         return FALSE;
1009 }
1010
1011 static gboolean image_load_begin(ImageWindow *imd, FileData *fd)
1012 {
1013         DEBUG_1("%s image begin", get_exec_time());
1014
1015         if (imd->il) return FALSE;
1016
1017         imd->completed = FALSE;
1018         g_object_set(G_OBJECT(imd->pr), "complete", FALSE, NULL);
1019
1020         if (image_cache_get(imd))
1021                 {
1022                 DEBUG_1("from cache: %s", imd->image_fd->path);
1023                 return TRUE;
1024                 }
1025
1026         if (image_read_ahead_check(imd))
1027                 {
1028                 DEBUG_1("from read ahead buffer: %s", imd->image_fd->path);
1029                 return TRUE;
1030                 }
1031
1032         if (!imd->delay_flip && image_get_pixbuf(imd))
1033                 {
1034                 PixbufRenderer *pr;
1035
1036                 pr = PIXBUF_RENDERER(imd->pr);
1037                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1038                 pr->pixbuf = NULL;
1039                 }
1040
1041         g_object_set(G_OBJECT(imd->pr), "loading", TRUE, NULL);
1042
1043         imd->il = image_loader_new(fd);
1044
1045         image_load_set_signals(imd, FALSE);
1046
1047         if (!image_loader_start(imd->il))
1048                 {
1049                 DEBUG_1("image start error");
1050
1051                 g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
1052
1053                 image_loader_free(imd->il);
1054                 imd->il = NULL;
1055
1056                 image_complete_util(imd, FALSE);
1057
1058                 return FALSE;
1059                 }
1060
1061         image_state_set(imd, IMAGE_STATE_LOADING);
1062
1063 /*
1064         if (!imd->delay_flip && !image_get_pixbuf(imd) && image_loader_get_pixbuf(imd->il))
1065                 {
1066                 image_change_pixbuf(imd, image_loader_get_pixbuf(imd->il), image_zoom_get(imd), TRUE);
1067                 }
1068 */
1069         return TRUE;
1070 }
1071
1072 static void image_reset(ImageWindow *imd)
1073 {
1074         /* stops anything currently being done */
1075
1076         DEBUG_1("%s image reset", get_exec_time());
1077
1078         g_object_set(G_OBJECT(imd->pr), "loading", FALSE, NULL);
1079
1080         image_loader_free(imd->il);
1081         imd->il = NULL;
1082
1083         color_man_free((ColorMan *)imd->cm);
1084         imd->cm = NULL;
1085
1086         imd->delay_alter_type = ALTER_NONE;
1087
1088         image_state_set(imd, IMAGE_STATE_NONE);
1089 }
1090
1091 /*
1092  *-------------------------------------------------------------------
1093  * image changer
1094  *-------------------------------------------------------------------
1095  */
1096
1097 static void image_change_complete(ImageWindow *imd, gdouble zoom)
1098 {
1099         image_reset(imd);
1100         imd->unknown = TRUE;
1101
1102         if (!imd->image_fd)
1103                 {
1104                 image_change_pixbuf(imd, NULL, zoom, FALSE);
1105                 }
1106         else
1107                 {
1108
1109                 if (is_readable_file(imd->image_fd->path))
1110                         {
1111                         PixbufRenderer *pr;
1112
1113                         pr = PIXBUF_RENDERER(imd->pr);
1114                         pr->zoom = zoom;        /* store the zoom, needed by the loader */
1115
1116                         /* Disable 2-pass for GIFs. Animated GIFs can flicker when enabled
1117                          * Reduce quality to worst but fastest to avoid dropped frames */
1118                         if (g_ascii_strcasecmp(imd->image_fd->extension, ".GIF") == 0)
1119                                 {
1120                                 g_object_set(G_OBJECT(imd->pr), "zoom_2pass", FALSE, NULL);
1121                                 g_object_set(G_OBJECT(imd->pr), "zoom_quality", GDK_INTERP_NEAREST, NULL);
1122                                 }
1123
1124
1125                         if (image_load_begin(imd, imd->image_fd))
1126                                 {
1127                                 imd->unknown = FALSE;
1128                                 }
1129                         }
1130
1131                 if (imd->unknown == TRUE)
1132                         {
1133                         GdkPixbuf *pixbuf;
1134
1135                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
1136                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
1137                         g_object_unref(pixbuf);
1138                         }
1139                 }
1140
1141         image_update_util(imd);
1142 }
1143
1144 static void image_change_real(ImageWindow *imd, FileData *fd,
1145                               CollectionData *cd, CollectInfo *info, gdouble zoom)
1146 {
1147
1148         imd->collection = cd;
1149         imd->collection_info = info;
1150
1151         if (imd->auto_refresh && imd->image_fd)
1152                 file_data_unregister_real_time_monitor(imd->image_fd);
1153
1154         file_data_unref(imd->image_fd);
1155         imd->image_fd = file_data_ref(fd);
1156
1157
1158         image_change_complete(imd, zoom);
1159
1160         image_update_title(imd);
1161         image_state_set(imd, IMAGE_STATE_IMAGE);
1162
1163         if (imd->auto_refresh && imd->image_fd)
1164                 file_data_register_real_time_monitor(imd->image_fd);
1165 }
1166
1167 /*
1168  *-------------------------------------------------------------------
1169  * focus stuff
1170  *-------------------------------------------------------------------
1171  */
1172
1173 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1174 {
1175         ImageWindow *imd = data;
1176
1177         if (imd->func_focus_in)
1178                 {
1179                 imd->func_focus_in(imd, imd->data_focus_in);
1180                 }
1181
1182         return TRUE;
1183 }
1184
1185 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
1186 {
1187         ImageWindow *imd = data;
1188         gboolean in_lw = FALSE;
1189         gint i = 0;
1190         LayoutWindow *lw = NULL;
1191
1192         if (imd->func_scroll && event && event->type == GDK_SCROLL)
1193                 {
1194                 layout_valid(&lw);
1195                 /* check if the image is in a layout window */
1196                 for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1197                         {
1198                         if (imd == lw->split_images[i])
1199                                 {
1200                                 in_lw = TRUE;
1201                                 break;
1202                                 }
1203                         }
1204
1205                 if (in_lw)
1206                         {
1207                         if (lw->options.split_pane_sync)
1208                                 {
1209                                 for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1210                                         {
1211                                         if (lw->split_images[i])
1212                                                 {
1213                                                 layout_image_activate(lw, i, FALSE);
1214                                                 imd->func_scroll(lw->split_images[i], event, lw->split_images[i]->data_scroll);
1215                                                 }
1216                                         }
1217                                 }
1218                         else
1219                                 {
1220                                 imd->func_scroll(imd, event, imd->data_scroll);
1221                                 }
1222                         return TRUE;
1223                         }
1224                 else
1225                         {
1226                         imd->func_scroll(imd, event, imd->data_scroll);
1227                         return TRUE;
1228                         }
1229                 }
1230
1231         return FALSE;
1232 }
1233
1234 /*
1235  *-------------------------------------------------------------------
1236  * public interface
1237  *-------------------------------------------------------------------
1238  */
1239
1240 void image_attach_window(ImageWindow *imd, GtkWidget *window,
1241                          const gchar *title, const gchar *title_right, gboolean show_zoom)
1242 {
1243         LayoutWindow *lw;
1244
1245         imd->top_window = window;
1246         g_free(imd->title);
1247         imd->title = g_strdup(title);
1248         g_free(imd->title_right);
1249         imd->title_right = g_strdup(title_right);
1250         imd->title_show_zoom = show_zoom;
1251
1252         lw = layout_find_by_image(imd);
1253
1254         if (!(options->image.fit_window_to_image && lw && (lw->options.tools_float || lw->options.tools_hidden))) window = NULL;
1255
1256         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
1257
1258         image_update_title(imd);
1259 }
1260
1261 void image_set_update_func(ImageWindow *imd,
1262                            void (*func)(ImageWindow *imd, gpointer data),
1263                            gpointer data)
1264 {
1265         imd->func_update = func;
1266         imd->data_update = data;
1267 }
1268
1269 void image_set_complete_func(ImageWindow *imd,
1270                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
1271                              gpointer data)
1272 {
1273         imd->func_complete = func;
1274         imd->data_complete = data;
1275 }
1276
1277 void image_set_state_func(ImageWindow *imd,
1278                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
1279                         gpointer data)
1280 {
1281         imd->func_state = func;
1282         imd->data_state = data;
1283 }
1284
1285
1286 void image_set_button_func(ImageWindow *imd,
1287                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
1288                            gpointer data)
1289 {
1290         imd->func_button = func;
1291         imd->data_button = data;
1292 }
1293
1294 void image_set_drag_func(ImageWindow *imd,
1295                            void (*func)(ImageWindow *, GdkEventMotion *event, gdouble dx, gdouble dy, gpointer),
1296                            gpointer data)
1297 {
1298         imd->func_drag = func;
1299         imd->data_drag = data;
1300 }
1301
1302 void image_set_scroll_func(ImageWindow *imd,
1303                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
1304                            gpointer data)
1305 {
1306         imd->func_scroll = func;
1307         imd->data_scroll = data;
1308 }
1309
1310 void image_set_scroll_notify_func(ImageWindow *imd,
1311                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
1312                                   gpointer data)
1313 {
1314         imd->func_scroll_notify = func;
1315         imd->data_scroll_notify = data;
1316 }
1317
1318 void image_set_focus_in_func(ImageWindow *imd,
1319                            void (*func)(ImageWindow *, gpointer),
1320                            gpointer data)
1321 {
1322         imd->func_focus_in = func;
1323         imd->data_focus_in = data;
1324 }
1325
1326 /* path, name */
1327
1328 const gchar *image_get_path(ImageWindow *imd)
1329 {
1330         if (imd->image_fd == NULL) return NULL;
1331         return imd->image_fd->path;
1332 }
1333
1334 const gchar *image_get_name(ImageWindow *imd)
1335 {
1336         if (imd->image_fd == NULL) return NULL;
1337         return imd->image_fd->name;
1338 }
1339
1340 FileData *image_get_fd(ImageWindow *imd)
1341 {
1342         return imd->image_fd;
1343 }
1344
1345 /* merely changes path string, does not change the image! */
1346 void image_set_fd(ImageWindow *imd, FileData *fd)
1347 {
1348         if (imd->auto_refresh && imd->image_fd)
1349                 file_data_unregister_real_time_monitor(imd->image_fd);
1350
1351         file_data_unref(imd->image_fd);
1352         imd->image_fd = file_data_ref(fd);
1353
1354         image_update_title(imd);
1355         image_state_set(imd, IMAGE_STATE_IMAGE);
1356
1357         if (imd->auto_refresh && imd->image_fd)
1358                 file_data_register_real_time_monitor(imd->image_fd);
1359 }
1360
1361 /* load a new image */
1362
1363 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1364 {
1365         if (imd->image_fd == fd) return;
1366
1367         image_change_real(imd, fd, NULL, NULL, zoom);
1368 }
1369
1370 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1371 {
1372         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1373 }
1374
1375 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1376 {
1377         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1378 }
1379
1380 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1381 {
1382         LayoutWindow *lw;
1383         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1384         /* read_exif and similar functions can actually notice that the file has changed and trigger
1385            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1386            here before it is taken over by the renderer. */
1387         if (pixbuf) g_object_ref(pixbuf);
1388
1389         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1390         if (imd->image_fd)
1391                 {
1392                 if (imd->image_fd->user_orientation)
1393                         {
1394                         imd->orientation = imd->image_fd->user_orientation;
1395                         }
1396                 else if (options->image.exif_rotate_enable)
1397                         {
1398                         if (g_strcmp0(imd->image_fd->format_name, "heif") == 0)
1399                                 {
1400                                 imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1401                                 imd->image_fd->exif_orientation = imd->orientation;
1402                                 }
1403                         else
1404                                 {
1405                                 imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1406                                 imd->image_fd->exif_orientation = imd->orientation;
1407                                 }
1408                         }
1409                 }
1410
1411         if (pixbuf)
1412                 {
1413                 stereo_data = imd->user_stereo;
1414                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1415                         {
1416                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1417                         }
1418                 }
1419
1420         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1421         if (imd->cm)
1422                 {
1423                 color_man_free(imd->cm);
1424                 imd->cm = NULL;
1425                 }
1426
1427         if (lazy)
1428                 {
1429                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1430                 }
1431         else
1432                 {
1433                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1434                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1435                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1436                 }
1437
1438         if (pixbuf) g_object_unref(pixbuf);
1439
1440         /* Color correction takes too much time for an animated gif */
1441         lw = layout_find_by_image(imd);
1442         if (imd->color_profile_enable && lw && !lw->animation)
1443                 {
1444                 image_post_process_color(imd, 0, FALSE); /** @todo error handling */
1445                 }
1446
1447         if (imd->cm || imd->desaturate || imd->overunderexposed)
1448                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1449
1450         image_state_set(imd, IMAGE_STATE_IMAGE);
1451 }
1452
1453 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1454 {
1455         CollectWindow *cw;
1456
1457         if (!cd || !info || !g_list_find(cd->list, info)) return;
1458
1459         image_change_real(imd, info->fd, cd, info, zoom);
1460         cw = collection_window_find(cd);
1461         if (cw)
1462                 {
1463                 collection_table_set_focus(cw->table, info);
1464                 collection_table_unselect_all(cw->table);
1465                 collection_table_select(cw->table,info);
1466                 }
1467
1468         if (info->fd)
1469                 {
1470                 image_chain_append_end(info->fd->path);
1471                 }
1472 }
1473
1474 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1475 {
1476         if (collection_to_number(imd->collection) >= 0)
1477                 {
1478                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1479                         {
1480                         if (info) *info = imd->collection_info;
1481                         }
1482                 else
1483                         {
1484                         if (info) *info = NULL;
1485                         }
1486                 return imd->collection;
1487                 }
1488
1489         if (info) *info = NULL;
1490         return NULL;
1491 }
1492
1493 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1494 {
1495         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1496                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1497
1498         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1499                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1500 }
1501
1502 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1503 {
1504         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1505                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1506
1507         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1508                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1509
1510         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1511                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1512 }
1513
1514 /* this is more like a move function
1515  * it moves most data from source to imd
1516  */
1517 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1518 {
1519         if (imd == source) return;
1520
1521         imd->unknown = source->unknown;
1522
1523         imd->collection = source->collection;
1524         imd->collection_info = source->collection_info;
1525
1526         image_loader_free(imd->il);
1527         imd->il = NULL;
1528
1529         image_set_fd(imd, image_get_fd(source));
1530
1531
1532         if (source->il)
1533                 {
1534                 imd->il = source->il;
1535                 source->il = NULL;
1536
1537                 image_loader_sync_data(imd->il, source, imd);
1538
1539                 imd->delay_alter_type = source->delay_alter_type;
1540                 source->delay_alter_type = ALTER_NONE;
1541                 }
1542
1543         imd->color_profile_enable = source->color_profile_enable;
1544         imd->color_profile_input = source->color_profile_input;
1545         imd->color_profile_use_image = source->color_profile_use_image;
1546         color_man_free((ColorMan *)imd->cm);
1547         imd->cm = NULL;
1548         if (source->cm)
1549                 {
1550                 ColorMan *cm;
1551
1552                 imd->cm = source->cm;
1553                 source->cm = NULL;
1554
1555                 cm = (ColorMan *)imd->cm;
1556                 cm->imd = imd;
1557                 cm->func_done_data = imd;
1558                 }
1559
1560         file_data_unref(imd->read_ahead_fd);
1561         source->read_ahead_fd = NULL;
1562
1563         imd->orientation = source->orientation;
1564         imd->desaturate = source->desaturate;
1565
1566         imd->user_stereo = source->user_stereo;
1567
1568         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1569
1570         if (imd->cm || imd->desaturate || imd->overunderexposed)
1571                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1572         else
1573                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1574
1575 }
1576
1577 /* this is  a copy function
1578  * source stays unchanged
1579  */
1580 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1581 {
1582         if (imd == source) return;
1583
1584         imd->unknown = source->unknown;
1585
1586         imd->collection = source->collection;
1587         imd->collection_info = source->collection_info;
1588
1589         image_loader_free(imd->il);
1590         imd->il = NULL;
1591
1592         image_set_fd(imd, image_get_fd(source));
1593
1594
1595         imd->color_profile_enable = source->color_profile_enable;
1596         imd->color_profile_input = source->color_profile_input;
1597         imd->color_profile_use_image = source->color_profile_use_image;
1598         color_man_free((ColorMan *)imd->cm);
1599         imd->cm = NULL;
1600         if (source->cm)
1601                 {
1602                 ColorMan *cm;
1603
1604                 imd->cm = source->cm;
1605                 source->cm = NULL;
1606
1607                 cm = (ColorMan *)imd->cm;
1608                 cm->imd = imd;
1609                 cm->func_done_data = imd;
1610                 }
1611
1612         image_loader_free(imd->read_ahead_il);
1613         imd->read_ahead_il = source->read_ahead_il;
1614         source->read_ahead_il = NULL;
1615         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1616
1617         file_data_unref(imd->read_ahead_fd);
1618         imd->read_ahead_fd = source->read_ahead_fd;
1619         source->read_ahead_fd = NULL;
1620
1621         imd->completed = source->completed;
1622         imd->state = source->state;
1623         source->state = IMAGE_STATE_NONE;
1624
1625         imd->orientation = source->orientation;
1626         imd->desaturate = source->desaturate;
1627
1628         imd->user_stereo = source->user_stereo;
1629
1630         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1631
1632         if (imd->cm || imd->desaturate || imd->overunderexposed)
1633                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1634         else
1635                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1636
1637 }
1638
1639
1640 /* manipulation */
1641
1642 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1643 {
1644         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1645 }
1646
1647 void image_reload(ImageWindow *imd)
1648 {
1649         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1650
1651         image_change_complete(imd, image_zoom_get(imd));
1652 }
1653
1654 void image_scroll(ImageWindow *imd, gint x, gint y)
1655 {
1656         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1657 }
1658
1659 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1660                            gdouble x_align, gdouble y_align)
1661 {
1662         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1663 }
1664
1665 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1666 {
1667         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1668 }
1669
1670 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1671 {
1672         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1673 }
1674
1675 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1676 {
1677         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1678 }
1679
1680 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1681 {
1682         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1683 }
1684
1685 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1686 {
1687         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1688 }
1689
1690 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1691 {
1692         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1693 }
1694
1695 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1696 {
1697         PixbufRenderer *pr;
1698         gdouble zoom;
1699         gint width, height;
1700
1701         pr = (PixbufRenderer *)imd->pr;
1702
1703         if (!pixbuf_renderer_get_pixbuf(pr) ||
1704             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1705
1706         if (vertical)
1707                 {
1708                 zoom = (gdouble)pr->viewport_height / height;
1709                 }
1710         else
1711                 {
1712                 zoom = (gdouble)pr->viewport_width / width;
1713                 }
1714
1715         if (zoom < 1.0)
1716                 {
1717                 zoom = 0.0 - 1.0 / zoom;
1718                 }
1719
1720         pixbuf_renderer_zoom_set(pr, zoom);
1721 }
1722
1723 gdouble image_zoom_get(ImageWindow *imd)
1724 {
1725         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1726 }
1727
1728 gdouble image_zoom_get_real(ImageWindow *imd)
1729 {
1730         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1731 }
1732
1733 gchar *image_zoom_get_as_text(ImageWindow *imd)
1734 {
1735         gdouble zoom;
1736         gdouble scale;
1737         gdouble l = 1.0;
1738         gdouble r = 1.0;
1739         gint pl = 0;
1740         gint pr = 0;
1741         gchar *approx = " ";
1742
1743         zoom = image_zoom_get(imd);
1744         scale = image_zoom_get_real(imd);
1745
1746         if (zoom > 0.0)
1747                 {
1748                 l = zoom;
1749                 }
1750         else if (zoom < 0.0)
1751                 {
1752                 r = 0.0 - zoom;
1753                 }
1754         else if (zoom == 0.0 && scale != 0.0)
1755                 {
1756                 if (scale >= 1.0)
1757                         {
1758                         l = scale;
1759                         }
1760                 else
1761                         {
1762                         r = 1.0 / scale;
1763                         }
1764                 approx = "~";
1765                 }
1766
1767         if (rint(l) != l) pl = 2;
1768         if (rint(r) != r) pr = 2;
1769
1770         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1771 }
1772
1773 gdouble image_zoom_get_default(ImageWindow *imd)
1774 {
1775         gdouble zoom = 1.0;
1776
1777         switch (options->image.zoom_mode)
1778         {
1779         case ZOOM_RESET_ORIGINAL:
1780                 break;
1781         case ZOOM_RESET_FIT_WINDOW:
1782                 zoom = 0.0;
1783                 break;
1784         case ZOOM_RESET_NONE:
1785                 if (imd) zoom = image_zoom_get(imd);
1786                 break;
1787         }
1788
1789         return zoom;
1790 }
1791
1792 /* stereo */
1793 gint image_stereo_get(ImageWindow *imd)
1794 {
1795         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1796 }
1797
1798 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1799 {
1800         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1801         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1802 }
1803
1804 void image_stereo_swap(ImageWindow *imd)
1805 {
1806         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1807         stereo_mode ^= PR_STEREO_SWAP;
1808         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1809 }
1810
1811 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1812 {
1813         return imd->user_stereo;
1814 }
1815
1816 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1817 {
1818         imd->user_stereo = stereo_mode;
1819         image_reload(imd);
1820 }
1821
1822 /* read ahead */
1823
1824 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1825 {
1826         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1827
1828         if (fd)
1829                 {
1830                 if (!file_cache_get(image_get_cache(), fd))
1831                         {
1832                         image_read_ahead_set(imd, fd);
1833                         }
1834                 }
1835         else
1836                 {
1837                 image_read_ahead_cancel(imd);
1838                 }
1839 }
1840
1841 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1842 {
1843         ImageWindow *imd = data;
1844
1845         if (!imd || !image_get_pixbuf(imd) ||
1846             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1847             !imd->image_fd || /* nothing to reload */
1848             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1849             ) return;
1850
1851         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1852                 {
1853                 /* there is no need to reload on NOTIFY_CHANGE,
1854                    modified files should be detacted anyway and NOTIFY_REREAD should be received
1855                    or they are removed from the filelist completely on "move" and "delete"
1856                 */
1857                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1858                 image_reload(imd);
1859                 }
1860 }
1861
1862 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1863 {
1864         if (!enable && imd->auto_refresh && imd->image_fd)
1865                 file_data_unregister_real_time_monitor(imd->image_fd);
1866
1867         if (enable && !imd->auto_refresh && imd->image_fd)
1868                 file_data_register_real_time_monitor(imd->image_fd);
1869
1870         imd->auto_refresh = enable;
1871 }
1872
1873 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1874 {
1875         imd->top_window_sync = allow_sync;
1876
1877         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1878 }
1879
1880 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1881 {
1882         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1883 }
1884
1885 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1886 {
1887         GdkColor *color = NULL;
1888
1889         if ((options->image.use_custom_border_color && !fullscreen) ||
1890             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1891                 {
1892                 color = &options->image.border_color;
1893                 }
1894
1895         image_background_set_color(imd, color);
1896 }
1897
1898 void image_color_profile_set(ImageWindow *imd,
1899                              gint input_type,
1900                              gboolean use_image)
1901 {
1902         if (!imd) return;
1903
1904         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1905                 {
1906                 return;
1907                 }
1908
1909         imd->color_profile_input = input_type;
1910         imd->color_profile_use_image = use_image;
1911 }
1912
1913 gboolean image_color_profile_get(ImageWindow *imd,
1914                                  gint *input_type,
1915                                  gboolean *use_image)
1916 {
1917         if (!imd) return FALSE;
1918
1919         if (input_type) *input_type = imd->color_profile_input;
1920         if (use_image) *use_image = imd->color_profile_use_image;
1921
1922         return TRUE;
1923 }
1924
1925 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1926 {
1927         if (!imd) return;
1928
1929         if (imd->color_profile_enable == enable) return;
1930
1931         imd->color_profile_enable = enable;
1932 }
1933
1934 gboolean image_color_profile_get_use(ImageWindow *imd)
1935 {
1936         if (!imd) return FALSE;
1937
1938         return imd->color_profile_enable;
1939 }
1940
1941 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1942 {
1943         ColorMan *cm;
1944         if (!imd) return FALSE;
1945
1946         cm = imd->cm;
1947         if (!cm) return FALSE;
1948         return color_man_get_status(cm, image_profile, screen_profile);
1949
1950 }
1951
1952 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1953 {
1954         if (!imd ||
1955             imd->delay_flip == delay) return;
1956
1957         imd->delay_flip = delay;
1958
1959         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1960
1961         if (!imd->delay_flip && imd->il)
1962                 {
1963                 PixbufRenderer *pr;
1964
1965                 pr = PIXBUF_RENDERER(imd->pr);
1966                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1967                 pr->pixbuf = NULL;
1968
1969                 image_load_pixbuf_ready(imd);
1970                 }
1971 }
1972
1973 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1974 {
1975 #if !GTK_CHECK_VERSION(3,0,0)
1976         GdkScreen *screen;
1977         GdkWindow *rootwindow;
1978         GdkPixmap *pixmap;
1979         GdkPixbuf *pixbuf;
1980         GdkPixbuf *pb;
1981         gint width, height;
1982
1983         if (!imd) return;
1984
1985         pixbuf = image_get_pixbuf(imd);
1986         if (!pixbuf) return;
1987
1988         screen = gtk_widget_get_screen(imd->widget);
1989         rootwindow = gdk_screen_get_root_window(screen);
1990         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1991
1992         if (scaled)
1993                 {
1994                 width = gdk_screen_width();
1995                 height = gdk_screen_height();
1996                 }
1997         else
1998                 {
1999                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
2000                 }
2001
2002         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
2003
2004         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
2005         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
2006         gdk_window_clear(rootwindow);
2007         g_object_unref(pb);
2008         g_object_unref(pixmap);
2009
2010         gdk_flush();
2011 #endif
2012 }
2013
2014 void image_select(ImageWindow *imd, gboolean select)
2015 {
2016         if (!imd->has_frame) return;
2017
2018         if (select)
2019                 {
2020                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
2021                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
2022                 }
2023         else
2024                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
2025 }
2026
2027 void image_set_selectable(ImageWindow *imd, gboolean selectable)
2028 {
2029         if (!imd->has_frame) return;
2030
2031         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
2032         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
2033 }
2034
2035 void image_grab_focus(ImageWindow *imd)
2036 {
2037         if (imd->has_frame)
2038                 {
2039                 gtk_widget_grab_focus(imd->frame);
2040                 }
2041         else
2042                 {
2043                 gtk_widget_grab_focus(imd->widget);
2044                 }
2045 }
2046
2047
2048 /*
2049  *-------------------------------------------------------------------
2050  * prefs sync
2051  *-------------------------------------------------------------------
2052  */
2053
2054 static void image_options_set(ImageWindow *imd)
2055 {
2056         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
2057                                         "zoom_2pass", options->image.zoom_2pass,
2058                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
2059                                         "scroll_reset", options->image.scroll_reset_method,
2060                                         "cache_display", options->image.tile_cache_max,
2061                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
2062                                         "window_limit", options->image.limit_window_size,
2063                                         "window_limit_value", options->image.max_window_size,
2064                                         "autofit_limit", options->image.limit_autofit_size,
2065                                         "autofit_limit_value", options->image.max_autofit_size,
2066                                         "enlargement_limit_value", options->image.max_enlargement_size,
2067
2068                                         NULL);
2069
2070         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
2071
2072         image_stereo_set(imd, options->stereo.mode);
2073         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
2074                                         options->stereo.fixed_w, options->stereo.fixed_h,
2075                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
2076                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
2077 }
2078
2079 void image_options_sync(void)
2080 {
2081         GList *work;
2082
2083         work = image_list;
2084         while (work)
2085                 {
2086                 ImageWindow *imd;
2087
2088                 imd = work->data;
2089                 work = work->next;
2090
2091                 image_options_set(imd);
2092                 }
2093 }
2094
2095 /*
2096  *-------------------------------------------------------------------
2097  * init / destroy
2098  *-------------------------------------------------------------------
2099  */
2100
2101 static void image_free(ImageWindow *imd)
2102 {
2103         image_list = g_list_remove(image_list, imd);
2104
2105         if (imd->auto_refresh && imd->image_fd)
2106                 file_data_unregister_real_time_monitor(imd->image_fd);
2107
2108         file_data_unregister_notify_func(image_notify_cb, imd);
2109
2110         image_reset(imd);
2111
2112         image_read_ahead_cancel(imd);
2113
2114         file_data_unref(imd->image_fd);
2115         g_free(imd->title);
2116         g_free(imd->title_right);
2117         g_free(imd);
2118 }
2119
2120 static void image_destroy_cb(GtkWidget *widget, gpointer data)
2121 {
2122         ImageWindow *imd = data;
2123         image_free(imd);
2124 }
2125 #if GTK_CHECK_VERSION(3,0,0)
2126 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2127 {
2128         GtkAllocation allocation;
2129         gtk_widget_get_allocation(widget, &allocation);
2130         gtk_paint_flat_box(gtk_widget_get_style(widget),
2131                            cr,
2132                            gtk_widget_get_state(widget),
2133                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2134                            widget,
2135                            NULL,
2136                            allocation.x + 3, allocation.y + 3,
2137                            allocation.width - 6, allocation.height - 6);
2138
2139         if (gtk_widget_has_focus(widget))
2140                 {
2141                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
2142                                 widget, "image_window",
2143                                 allocation.x, allocation.y,
2144                                 allocation.width - 1, allocation.height - 1);
2145                 }
2146         else
2147                 {
2148                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
2149                                  widget, "image_window",
2150                                  allocation.x, allocation.y,
2151                                  allocation.width - 1, allocation.height - 1);
2152                 }
2153         return FALSE;
2154 }
2155
2156 #else
2157 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2158 {
2159         GtkAllocation allocation;
2160         gtk_widget_get_allocation(widget, &allocation);
2161         gtk_paint_flat_box(gtk_widget_get_style(widget),
2162                            gtk_widget_get_window(widget),
2163                            gtk_widget_get_state(widget),
2164                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2165                            NULL,
2166                            widget,
2167                            NULL,
2168                            allocation.x + 3, allocation.y + 3,
2169                            allocation.width - 6, allocation.height - 6);
2170
2171         if (gtk_widget_has_focus(widget))
2172                 {
2173                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
2174                                 &event->area, widget, "image_window",
2175                                 allocation.x, allocation.y,
2176                                 allocation.width - 1, allocation.height - 1);
2177                 }
2178         else
2179                 {
2180                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
2181                                  &event->area, widget, "image_window",
2182                                  allocation.x, allocation.y,
2183                                  allocation.width - 1, allocation.height - 1);
2184                 }
2185         return FALSE;
2186 }
2187 #endif
2188
2189
2190 void image_set_frame(ImageWindow *imd, gboolean frame)
2191 {
2192         frame = !!frame;
2193
2194         if (frame == imd->has_frame) return;
2195
2196         gtk_widget_hide(imd->pr);
2197
2198         if (frame)
2199                 {
2200                 imd->frame = gtk_frame_new(NULL);
2201                 DEBUG_NAME(imd->frame);
2202                 g_object_ref(imd->pr);
2203                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
2204                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
2205
2206                 g_object_unref(imd->pr);
2207                 gtk_widget_set_can_focus(imd->frame, TRUE);
2208                 gtk_widget_set_app_paintable(imd->frame, TRUE);
2209
2210 #if GTK_CHECK_VERSION(3,0,0)
2211                 g_signal_connect(G_OBJECT(imd->frame), "draw",
2212                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
2213 #else
2214                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
2215                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
2216 #endif
2217                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
2218                                  G_CALLBACK(image_focus_in_cb), imd);
2219
2220                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
2221                 gtk_widget_show(imd->frame);
2222                 }
2223         else
2224                 {
2225                 g_object_ref(imd->pr);
2226                 if (imd->frame)
2227                         {
2228                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
2229                         gtk_widget_destroy(imd->frame);
2230                         imd->frame = NULL;
2231                         }
2232                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
2233
2234                 g_object_unref(imd->pr);
2235                 }
2236
2237         gtk_widget_show(imd->pr);
2238
2239         imd->has_frame = frame;
2240 }
2241
2242 ImageWindow *image_new(gboolean frame)
2243 {
2244         ImageWindow *imd;
2245
2246         imd = g_new0(ImageWindow, 1);
2247
2248         imd->unknown = TRUE;
2249         imd->has_frame = -1; /* not initialized; for image_set_frame */
2250         imd->delay_alter_type = ALTER_NONE;
2251         imd->state = IMAGE_STATE_NONE;
2252         imd->color_profile_from_image = COLOR_PROFILE_NONE;
2253         imd->orientation = 1;
2254
2255         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
2256         DEBUG_NAME(imd->pr);
2257
2258         image_options_set(imd);
2259
2260         imd->widget = gtk_vbox_new(0, 0);
2261         DEBUG_NAME(imd->widget);
2262
2263         image_set_frame(imd, frame);
2264
2265         image_set_selectable(imd, 0);
2266
2267         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2268                          G_CALLBACK(image_click_cb), imd);
2269         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
2270                          G_CALLBACK(image_press_cb), imd);
2271         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
2272                          G_CALLBACK(image_scroll_notify_cb), imd);
2273
2274         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2275                          G_CALLBACK(image_scroll_cb), imd);
2276
2277         g_signal_connect(G_OBJECT(imd->pr), "destroy",
2278                          G_CALLBACK(image_destroy_cb), imd);
2279
2280         g_signal_connect(G_OBJECT(imd->pr), "zoom",
2281                          G_CALLBACK(image_zoom_cb), imd);
2282         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
2283                          G_CALLBACK(image_render_complete_cb), imd);
2284         g_signal_connect(G_OBJECT(imd->pr), "drag",
2285                          G_CALLBACK(image_drag_cb), imd);
2286
2287         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
2288
2289         image_list = g_list_append(image_list, imd);
2290
2291         return imd;
2292 }
2293
2294 void image_get_rectangle(gint *x1, gint *y1, gint *x2, gint *y2)
2295 {
2296         *x1 = rect_x1;
2297         *y1 = rect_y1;
2298         *x2 = rect_x2;
2299         *y2 = rect_y2;
2300 }
2301
2302 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */