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)) 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         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1356         /* read_exif and similar functions can actually notice that the file has changed and trigger
1357            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1358            here before it is taken over by the renderer. */
1359         if (pixbuf) g_object_ref(pixbuf);
1360
1361         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1362         if (imd->image_fd)
1363                 {
1364                 if (imd->image_fd->user_orientation)
1365                         {
1366                         imd->orientation = imd->image_fd->user_orientation;
1367                         }
1368                 else if (options->image.exif_rotate_enable)
1369                         {
1370                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1371                         imd->image_fd->exif_orientation = imd->orientation;
1372                         }
1373                 }
1374
1375         if (pixbuf)
1376                 {
1377                 stereo_data = imd->user_stereo;
1378                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1379                         {
1380                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1381                         }
1382                 }
1383
1384         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1385         if (imd->cm)
1386                 {
1387                 color_man_free(imd->cm);
1388                 imd->cm = NULL;
1389                 }
1390
1391         if (lazy)
1392                 {
1393                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1394                 }
1395         else
1396                 {
1397                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1398                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1399                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1400                 }
1401
1402         if (pixbuf) g_object_unref(pixbuf);
1403
1404         if (imd->color_profile_enable)
1405                 {
1406                 image_post_process_color(imd, 0, FALSE); /* TODO: error handling */
1407                 }
1408
1409         if (imd->cm || imd->desaturate || imd->overunderexposed)
1410                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1411
1412         image_state_set(imd, IMAGE_STATE_IMAGE);
1413 }
1414
1415 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1416 {
1417         CollectWindow *cw;
1418
1419         if (!cd || !info || !g_list_find(cd->list, info)) return;
1420
1421         image_change_real(imd, info->fd, cd, info, zoom);
1422         cw = collection_window_find(cd);
1423         if (cw)
1424                 {
1425                 collection_table_set_focus(cw->table, info);
1426                 collection_table_unselect_all(cw->table);
1427                 collection_table_select(cw->table,info);
1428                 }
1429
1430         if (info->fd)
1431                 {
1432                 image_chain_append_end(info->fd->path);
1433                 }
1434 }
1435
1436 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1437 {
1438         if (collection_to_number(imd->collection) >= 0)
1439                 {
1440                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1441                         {
1442                         if (info) *info = imd->collection_info;
1443                         }
1444                 else
1445                         {
1446                         if (info) *info = NULL;
1447                         }
1448                 return imd->collection;
1449                 }
1450
1451         if (info) *info = NULL;
1452         return NULL;
1453 }
1454
1455 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1456 {
1457         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1458                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1459
1460         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1461                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1462 }
1463
1464 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1465 {
1466         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1467                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1468
1469         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1470                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1471
1472         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1473                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1474 }
1475
1476 /* this is more like a move function
1477  * it moves most data from source to imd
1478  */
1479 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1480 {
1481         if (imd == source) return;
1482
1483         imd->unknown = source->unknown;
1484
1485         imd->collection = source->collection;
1486         imd->collection_info = source->collection_info;
1487
1488         image_loader_free(imd->il);
1489         imd->il = NULL;
1490
1491         image_set_fd(imd, image_get_fd(source));
1492
1493
1494         if (source->il)
1495                 {
1496                 imd->il = source->il;
1497                 source->il = NULL;
1498
1499                 image_loader_sync_data(imd->il, source, imd);
1500
1501                 imd->delay_alter_type = source->delay_alter_type;
1502                 source->delay_alter_type = ALTER_NONE;
1503                 }
1504
1505         imd->color_profile_enable = source->color_profile_enable;
1506         imd->color_profile_input = source->color_profile_input;
1507         imd->color_profile_use_image = source->color_profile_use_image;
1508         color_man_free((ColorMan *)imd->cm);
1509         imd->cm = NULL;
1510         if (source->cm)
1511                 {
1512                 ColorMan *cm;
1513
1514                 imd->cm = source->cm;
1515                 source->cm = NULL;
1516
1517                 cm = (ColorMan *)imd->cm;
1518                 cm->imd = imd;
1519                 cm->func_done_data = imd;
1520                 }
1521
1522         file_data_unref(imd->read_ahead_fd);
1523         source->read_ahead_fd = NULL;
1524
1525         imd->orientation = source->orientation;
1526         imd->desaturate = source->desaturate;
1527
1528         imd->user_stereo = source->user_stereo;
1529
1530         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1531
1532         if (imd->cm || imd->desaturate || imd->overunderexposed)
1533                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1534         else
1535                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1536
1537 }
1538
1539 /* this is  a copy function
1540  * source stays unchanged
1541  */
1542 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1543 {
1544         if (imd == source) return;
1545
1546         imd->unknown = source->unknown;
1547
1548         imd->collection = source->collection;
1549         imd->collection_info = source->collection_info;
1550
1551         image_loader_free(imd->il);
1552         imd->il = NULL;
1553
1554         image_set_fd(imd, image_get_fd(source));
1555
1556
1557         imd->color_profile_enable = source->color_profile_enable;
1558         imd->color_profile_input = source->color_profile_input;
1559         imd->color_profile_use_image = source->color_profile_use_image;
1560         color_man_free((ColorMan *)imd->cm);
1561         imd->cm = NULL;
1562         if (source->cm)
1563                 {
1564                 ColorMan *cm;
1565
1566                 imd->cm = source->cm;
1567                 source->cm = NULL;
1568
1569                 cm = (ColorMan *)imd->cm;
1570                 cm->imd = imd;
1571                 cm->func_done_data = imd;
1572                 }
1573
1574         image_loader_free(imd->read_ahead_il);
1575         imd->read_ahead_il = source->read_ahead_il;
1576         source->read_ahead_il = NULL;
1577         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1578
1579         file_data_unref(imd->read_ahead_fd);
1580         imd->read_ahead_fd = source->read_ahead_fd;
1581         source->read_ahead_fd = NULL;
1582
1583         imd->completed = source->completed;
1584         imd->state = source->state;
1585         source->state = IMAGE_STATE_NONE;
1586
1587         imd->orientation = source->orientation;
1588         imd->desaturate = source->desaturate;
1589
1590         imd->user_stereo = source->user_stereo;
1591
1592         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1593
1594         if (imd->cm || imd->desaturate || imd->overunderexposed)
1595                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1596         else
1597                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1598
1599 }
1600
1601
1602 /* manipulation */
1603
1604 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1605 {
1606         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1607 }
1608
1609 void image_reload(ImageWindow *imd)
1610 {
1611         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1612
1613         image_change_complete(imd, image_zoom_get(imd));
1614 }
1615
1616 void image_scroll(ImageWindow *imd, gint x, gint y)
1617 {
1618         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1619 }
1620
1621 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1622                            gdouble x_align, gdouble y_align)
1623 {
1624         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1625 }
1626
1627 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1628 {
1629         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1630 }
1631
1632 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1633 {
1634         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1635 }
1636
1637 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1638 {
1639         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1640 }
1641
1642 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1643 {
1644         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1645 }
1646
1647 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1648 {
1649         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1650 }
1651
1652 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1653 {
1654         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1655 }
1656
1657 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1658 {
1659         PixbufRenderer *pr;
1660         gdouble zoom;
1661         gint width, height;
1662
1663         pr = (PixbufRenderer *)imd->pr;
1664
1665         if (!pixbuf_renderer_get_pixbuf(pr) ||
1666             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1667
1668         if (vertical)
1669                 {
1670                 zoom = (gdouble)pr->viewport_height / height;
1671                 }
1672         else
1673                 {
1674                 zoom = (gdouble)pr->viewport_width / width;
1675                 }
1676
1677         if (zoom < 1.0)
1678                 {
1679                 zoom = 0.0 - 1.0 / zoom;
1680                 }
1681
1682         pixbuf_renderer_zoom_set(pr, zoom);
1683 }
1684
1685 gdouble image_zoom_get(ImageWindow *imd)
1686 {
1687         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1688 }
1689
1690 gdouble image_zoom_get_real(ImageWindow *imd)
1691 {
1692         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1693 }
1694
1695 gchar *image_zoom_get_as_text(ImageWindow *imd)
1696 {
1697         gdouble zoom;
1698         gdouble scale;
1699         gdouble l = 1.0;
1700         gdouble r = 1.0;
1701         gint pl = 0;
1702         gint pr = 0;
1703         gchar *approx = " ";
1704
1705         zoom = image_zoom_get(imd);
1706         scale = image_zoom_get_real(imd);
1707
1708         if (zoom > 0.0)
1709                 {
1710                 l = zoom;
1711                 }
1712         else if (zoom < 0.0)
1713                 {
1714                 r = 0.0 - zoom;
1715                 }
1716         else if (zoom == 0.0 && scale != 0.0)
1717                 {
1718                 if (scale >= 1.0)
1719                         {
1720                         l = scale;
1721                         }
1722                 else
1723                         {
1724                         r = 1.0 / scale;
1725                         }
1726                 approx = "~";
1727                 }
1728
1729         if (rint(l) != l) pl = 2;
1730         if (rint(r) != r) pr = 2;
1731
1732         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1733 }
1734
1735 gdouble image_zoom_get_default(ImageWindow *imd)
1736 {
1737         gdouble zoom = 1.0;
1738
1739         switch (options->image.zoom_mode)
1740         {
1741         case ZOOM_RESET_ORIGINAL:
1742                 break;
1743         case ZOOM_RESET_FIT_WINDOW:
1744                 zoom = 0.0;
1745                 break;
1746         case ZOOM_RESET_NONE:
1747                 if (imd) zoom = image_zoom_get(imd);
1748                 break;
1749         }
1750
1751         return zoom;
1752 }
1753
1754 /* stereo */
1755 gint image_stereo_get(ImageWindow *imd)
1756 {
1757         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1758 }
1759
1760 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1761 {
1762         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1763         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1764 }
1765
1766 void image_stereo_swap(ImageWindow *imd)
1767 {
1768         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1769         stereo_mode ^= PR_STEREO_SWAP;
1770         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1771 }
1772
1773 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1774 {
1775         return imd->user_stereo;
1776 }
1777
1778 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1779 {
1780         imd->user_stereo = stereo_mode;
1781         image_reload(imd);
1782 }
1783
1784 /* read ahead */
1785
1786 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1787 {
1788         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1789
1790         if (fd)
1791                 {
1792                 if (!file_cache_get(image_get_cache(), fd))
1793                         {
1794                         image_read_ahead_set(imd, fd);
1795                         }
1796                 }
1797         else
1798                 {
1799                 image_read_ahead_cancel(imd);
1800                 }
1801 }
1802
1803 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1804 {
1805         ImageWindow *imd = data;
1806
1807         if (!imd || !image_get_pixbuf(imd) ||
1808             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1809             !imd->image_fd || /* nothing to reload */
1810             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1811             ) return;
1812
1813         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1814                 {
1815                 /* there is no need to reload on NOTIFY_CHANGE,
1816                    modified files should be detacted anyway and NOTIFY_REREAD should be recieved
1817                    or they are removed from the filelist completely on "move" and "delete"
1818                 */
1819                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1820                 image_reload(imd);
1821                 }
1822 }
1823
1824 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1825 {
1826         if (!enable && imd->auto_refresh && imd->image_fd)
1827                 file_data_unregister_real_time_monitor(imd->image_fd);
1828
1829         if (enable && !imd->auto_refresh && imd->image_fd)
1830                 file_data_register_real_time_monitor(imd->image_fd);
1831
1832         imd->auto_refresh = enable;
1833 }
1834
1835 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1836 {
1837         imd->top_window_sync = allow_sync;
1838
1839         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1840 }
1841
1842 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1843 {
1844         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1845 }
1846
1847 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1848 {
1849         GdkColor *color = NULL;
1850
1851         if ((options->image.use_custom_border_color && !fullscreen) ||
1852             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1853                 {
1854                 color = &options->image.border_color;
1855                 }
1856
1857         image_background_set_color(imd, color);
1858 }
1859
1860 void image_color_profile_set(ImageWindow *imd,
1861                              gint input_type,
1862                              gboolean use_image)
1863 {
1864         if (!imd) return;
1865
1866         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1867                 {
1868                 return;
1869                 }
1870
1871         imd->color_profile_input = input_type;
1872         imd->color_profile_use_image = use_image;
1873 }
1874
1875 gboolean image_color_profile_get(ImageWindow *imd,
1876                                  gint *input_type,
1877                                  gboolean *use_image)
1878 {
1879         if (!imd) return FALSE;
1880
1881         if (input_type) *input_type = imd->color_profile_input;
1882         if (use_image) *use_image = imd->color_profile_use_image;
1883
1884         return TRUE;
1885 }
1886
1887 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1888 {
1889         if (!imd) return;
1890
1891         if (imd->color_profile_enable == enable) return;
1892
1893         imd->color_profile_enable = enable;
1894 }
1895
1896 gboolean image_color_profile_get_use(ImageWindow *imd)
1897 {
1898         if (!imd) return FALSE;
1899
1900         return imd->color_profile_enable;
1901 }
1902
1903 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1904 {
1905         ColorMan *cm;
1906         if (!imd) return FALSE;
1907
1908         cm = imd->cm;
1909         if (!cm) return FALSE;
1910         return color_man_get_status(cm, image_profile, screen_profile);
1911
1912 }
1913
1914 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1915 {
1916         if (!imd ||
1917             imd->delay_flip == delay) return;
1918
1919         imd->delay_flip = delay;
1920
1921         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1922
1923         if (!imd->delay_flip && imd->il)
1924                 {
1925                 PixbufRenderer *pr;
1926
1927                 pr = PIXBUF_RENDERER(imd->pr);
1928                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1929                 pr->pixbuf = NULL;
1930
1931                 image_load_pixbuf_ready(imd);
1932                 }
1933 }
1934
1935 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1936 {
1937 #if !GTK_CHECK_VERSION(3,0,0)
1938         GdkScreen *screen;
1939         GdkWindow *rootwindow;
1940         GdkPixmap *pixmap;
1941         GdkPixbuf *pixbuf;
1942         GdkPixbuf *pb;
1943         gint width, height;
1944
1945         if (!imd) return;
1946
1947         pixbuf = image_get_pixbuf(imd);
1948         if (!pixbuf) return;
1949
1950         screen = gtk_widget_get_screen(imd->widget);
1951         rootwindow = gdk_screen_get_root_window(screen);
1952         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1953
1954         if (scaled)
1955                 {
1956                 width = gdk_screen_width();
1957                 height = gdk_screen_height();
1958                 }
1959         else
1960                 {
1961                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1962                 }
1963
1964         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1965
1966         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1967         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1968         gdk_window_clear(rootwindow);
1969         g_object_unref(pb);
1970         g_object_unref(pixmap);
1971
1972         gdk_flush();
1973 #endif
1974 }
1975
1976 void image_select(ImageWindow *imd, gboolean select)
1977 {
1978         if (!imd->has_frame) return;
1979
1980         if (select)
1981                 {
1982                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1983                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1984                 }
1985         else
1986                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1987 }
1988
1989 void image_set_selectable(ImageWindow *imd, gboolean selectable)
1990 {
1991         if (!imd->has_frame) return;
1992
1993         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
1994         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
1995 }
1996
1997 void image_grab_focus(ImageWindow *imd)
1998 {
1999         if (imd->has_frame)
2000                 {
2001                 gtk_widget_grab_focus(imd->frame);
2002                 }
2003         else
2004                 {
2005                 gtk_widget_grab_focus(imd->widget);
2006                 }
2007 }
2008
2009
2010 /*
2011  *-------------------------------------------------------------------
2012  * prefs sync
2013  *-------------------------------------------------------------------
2014  */
2015
2016 static void image_options_set(ImageWindow *imd)
2017 {
2018         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
2019                                         "zoom_2pass", options->image.zoom_2pass,
2020                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
2021                                         "scroll_reset", options->image.scroll_reset_method,
2022                                         "cache_display", options->image.tile_cache_max,
2023                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
2024                                         "window_limit", options->image.limit_window_size,
2025                                         "window_limit_value", options->image.max_window_size,
2026                                         "autofit_limit", options->image.limit_autofit_size,
2027                                         "autofit_limit_value", options->image.max_autofit_size,
2028                                         "enlargement_limit_value", options->image.max_enlargement_size,
2029
2030                                         NULL);
2031
2032         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
2033
2034         image_stereo_set(imd, options->stereo.mode);
2035         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
2036                                         options->stereo.fixed_w, options->stereo.fixed_h,
2037                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
2038                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
2039 }
2040
2041 void image_options_sync(void)
2042 {
2043         GList *work;
2044
2045         work = image_list;
2046         while (work)
2047                 {
2048                 ImageWindow *imd;
2049
2050                 imd = work->data;
2051                 work = work->next;
2052
2053                 image_options_set(imd);
2054                 }
2055 }
2056
2057 /*
2058  *-------------------------------------------------------------------
2059  * init / destroy
2060  *-------------------------------------------------------------------
2061  */
2062
2063 static void image_free(ImageWindow *imd)
2064 {
2065         image_list = g_list_remove(image_list, imd);
2066
2067         if (imd->auto_refresh && imd->image_fd)
2068                 file_data_unregister_real_time_monitor(imd->image_fd);
2069
2070         file_data_unregister_notify_func(image_notify_cb, imd);
2071
2072         image_reset(imd);
2073
2074         image_read_ahead_cancel(imd);
2075
2076         file_data_unref(imd->image_fd);
2077         g_free(imd->title);
2078         g_free(imd->title_right);
2079         g_free(imd);
2080 }
2081
2082 static void image_destroy_cb(GtkWidget *widget, gpointer data)
2083 {
2084         ImageWindow *imd = data;
2085         image_free(imd);
2086 }
2087 #if GTK_CHECK_VERSION(3,0,0)
2088 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2089 {
2090         GtkAllocation allocation;
2091         gtk_widget_get_allocation(widget, &allocation);
2092         gtk_paint_flat_box(gtk_widget_get_style(widget),
2093                            cr,
2094                            gtk_widget_get_state(widget),
2095                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2096                            widget,
2097                            NULL,
2098                            allocation.x + 3, allocation.y + 3,
2099                            allocation.width - 6, allocation.height - 6);
2100
2101         if (gtk_widget_has_focus(widget))
2102                 {
2103                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
2104                                 widget, "image_window",
2105                                 allocation.x, allocation.y,
2106                                 allocation.width - 1, allocation.height - 1);
2107                 }
2108         else
2109                 {
2110                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
2111                                  widget, "image_window",
2112                                  allocation.x, allocation.y,
2113                                  allocation.width - 1, allocation.height - 1);
2114                 }
2115         return FALSE;
2116 }
2117
2118 #else
2119 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2120 {
2121         GtkAllocation allocation;
2122         gtk_widget_get_allocation(widget, &allocation);
2123         gtk_paint_flat_box(gtk_widget_get_style(widget),
2124                            gtk_widget_get_window(widget),
2125                            gtk_widget_get_state(widget),
2126                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2127                            NULL,
2128                            widget,
2129                            NULL,
2130                            allocation.x + 3, allocation.y + 3,
2131                            allocation.width - 6, allocation.height - 6);
2132
2133         if (gtk_widget_has_focus(widget))
2134                 {
2135                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
2136                                 &event->area, widget, "image_window",
2137                                 allocation.x, allocation.y,
2138                                 allocation.width - 1, allocation.height - 1);
2139                 }
2140         else
2141                 {
2142                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
2143                                  &event->area, widget, "image_window",
2144                                  allocation.x, allocation.y,
2145                                  allocation.width - 1, allocation.height - 1);
2146                 }
2147         return FALSE;
2148 }
2149 #endif
2150
2151
2152 void image_set_frame(ImageWindow *imd, gboolean frame)
2153 {
2154         frame = !!frame;
2155
2156         if (frame == imd->has_frame) return;
2157
2158         gtk_widget_hide(imd->pr);
2159
2160         if (frame)
2161                 {
2162                 imd->frame = gtk_frame_new(NULL);
2163                 DEBUG_NAME(imd->frame);
2164                 g_object_ref(imd->pr);
2165                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
2166                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
2167
2168                 g_object_unref(imd->pr);
2169                 gtk_widget_set_can_focus(imd->frame, TRUE);
2170                 gtk_widget_set_app_paintable(imd->frame, TRUE);
2171
2172 #if GTK_CHECK_VERSION(3,0,0)
2173                 g_signal_connect(G_OBJECT(imd->frame), "draw",
2174                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
2175 #else
2176                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
2177                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
2178 #endif
2179                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
2180                                  G_CALLBACK(image_focus_in_cb), imd);
2181
2182                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
2183                 gtk_widget_show(imd->frame);
2184                 }
2185         else
2186                 {
2187                 g_object_ref(imd->pr);
2188                 if (imd->frame)
2189                         {
2190                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
2191                         gtk_widget_destroy(imd->frame);
2192                         imd->frame = NULL;
2193                         }
2194                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
2195
2196                 g_object_unref(imd->pr);
2197                 }
2198
2199         gtk_widget_show(imd->pr);
2200
2201         imd->has_frame = frame;
2202 }
2203
2204 ImageWindow *image_new(gboolean frame)
2205 {
2206         ImageWindow *imd;
2207
2208         imd = g_new0(ImageWindow, 1);
2209
2210         imd->unknown = TRUE;
2211         imd->has_frame = -1; /* not initialized; for image_set_frame */
2212         imd->delay_alter_type = ALTER_NONE;
2213         imd->state = IMAGE_STATE_NONE;
2214         imd->color_profile_from_image = COLOR_PROFILE_NONE;
2215         imd->orientation = 1;
2216
2217         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
2218         DEBUG_NAME(imd->pr);
2219
2220         image_options_set(imd);
2221
2222         imd->widget = gtk_vbox_new(0, 0);
2223         DEBUG_NAME(imd->widget);
2224
2225         image_set_frame(imd, frame);
2226
2227         image_set_selectable(imd, 0);
2228
2229         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2230                          G_CALLBACK(image_click_cb), imd);
2231         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
2232                          G_CALLBACK(image_press_cb), imd);
2233         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
2234                          G_CALLBACK(image_scroll_notify_cb), imd);
2235
2236         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2237                          G_CALLBACK(image_scroll_cb), imd);
2238
2239         g_signal_connect(G_OBJECT(imd->pr), "destroy",
2240                          G_CALLBACK(image_destroy_cb), imd);
2241
2242         g_signal_connect(G_OBJECT(imd->pr), "zoom",
2243                          G_CALLBACK(image_zoom_cb), imd);
2244         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
2245                          G_CALLBACK(image_render_complete_cb), imd);
2246         g_signal_connect(G_OBJECT(imd->pr), "drag",
2247                          G_CALLBACK(image_drag_cb), imd);
2248
2249         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
2250
2251         image_list = g_list_append(image_list, imd);
2252
2253         return imd;
2254 }
2255
2256 void image_get_rectangle(gint *x1, gint *y1, gint *x2, gint *y2)
2257 {
2258         *x1 = rect_x1;
2259         *y1 = rect_y1;
2260         *x2 = rect_x2;
2261         *y2 = rect_y2;
2262 }
2263
2264 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */