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                         /* Disable 2-pass for GIFs. Animated GIFs can flicker when enabled
1099                          * Reduce quality to worst but fastest to avoid dropped frames */
1100                         if (g_ascii_strcasecmp(imd->image_fd->extension, ".GIF") == 0)
1101                                 {
1102                                 g_object_set(G_OBJECT(imd->pr), "zoom_2pass", FALSE, NULL);
1103                                 g_object_set(G_OBJECT(imd->pr), "zoom_quality", GDK_INTERP_NEAREST, NULL);
1104                                 }
1105
1106
1107                         if (image_load_begin(imd, imd->image_fd))
1108                                 {
1109                                 imd->unknown = FALSE;
1110                                 }
1111                         }
1112
1113                 if (imd->unknown == TRUE)
1114                         {
1115                         GdkPixbuf *pixbuf;
1116
1117                         pixbuf = pixbuf_inline(PIXBUF_INLINE_BROKEN);
1118                         image_change_pixbuf(imd, pixbuf, zoom, FALSE);
1119                         g_object_unref(pixbuf);
1120                         }
1121                 }
1122
1123         image_update_util(imd);
1124 }
1125
1126 static void image_change_real(ImageWindow *imd, FileData *fd,
1127                               CollectionData *cd, CollectInfo *info, gdouble zoom)
1128 {
1129
1130         imd->collection = cd;
1131         imd->collection_info = info;
1132
1133         if (imd->auto_refresh && imd->image_fd)
1134                 file_data_unregister_real_time_monitor(imd->image_fd);
1135
1136         file_data_unref(imd->image_fd);
1137         imd->image_fd = file_data_ref(fd);
1138
1139
1140         image_change_complete(imd, zoom);
1141
1142         image_update_title(imd);
1143         image_state_set(imd, IMAGE_STATE_IMAGE);
1144
1145         if (imd->auto_refresh && imd->image_fd)
1146                 file_data_register_real_time_monitor(imd->image_fd);
1147 }
1148
1149 /*
1150  *-------------------------------------------------------------------
1151  * focus stuff
1152  *-------------------------------------------------------------------
1153  */
1154
1155 static gboolean image_focus_in_cb(GtkWidget *widget, GdkEventFocus *event, gpointer data)
1156 {
1157         ImageWindow *imd = data;
1158
1159         if (imd->func_focus_in)
1160                 {
1161                 imd->func_focus_in(imd, imd->data_focus_in);
1162                 }
1163
1164         return TRUE;
1165 }
1166
1167 static gboolean image_scroll_cb(GtkWidget *widget, GdkEventScroll *event, gpointer data)
1168 {
1169         ImageWindow *imd = data;
1170         gboolean in_lw = FALSE;
1171         gint i = 0;
1172         LayoutWindow *lw = NULL;
1173
1174         if (imd->func_scroll && event && event->type == GDK_SCROLL)
1175                 {
1176                 layout_valid(&lw);
1177                 /* check if the image is in a layout window */
1178                 for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1179                         {
1180                         if (imd == lw->split_images[i])
1181                                 {
1182                                 in_lw = TRUE;
1183                                 break;
1184                                 }
1185                         }
1186
1187                 if (in_lw)
1188                         {
1189                         if (lw->options.split_pane_sync)
1190                                 {
1191                                 for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1192                                         {
1193                                         if (lw->split_images[i])
1194                                                 {
1195                                                 layout_image_activate(lw, i, FALSE);
1196                                                 imd->func_scroll(lw->split_images[i], event, lw->split_images[i]->data_scroll);
1197                                                 }
1198                                         }
1199                                 }
1200                         else
1201                                 {
1202                                 imd->func_scroll(imd, event, imd->data_scroll);
1203                                 }
1204                         return TRUE;
1205                         }
1206                 else
1207                         {
1208                         imd->func_scroll(imd, event, imd->data_scroll);
1209                         return TRUE;
1210                         }
1211                 }
1212
1213         return FALSE;
1214 }
1215
1216 /*
1217  *-------------------------------------------------------------------
1218  * public interface
1219  *-------------------------------------------------------------------
1220  */
1221
1222 void image_attach_window(ImageWindow *imd, GtkWidget *window,
1223                          const gchar *title, const gchar *title_right, gboolean show_zoom)
1224 {
1225         LayoutWindow *lw;
1226
1227         imd->top_window = window;
1228         g_free(imd->title);
1229         imd->title = g_strdup(title);
1230         g_free(imd->title_right);
1231         imd->title_right = g_strdup(title_right);
1232         imd->title_show_zoom = show_zoom;
1233
1234         lw = layout_find_by_image(imd);
1235
1236         if (!(options->image.fit_window_to_image && lw && (lw->options.tools_float || lw->options.tools_hidden))) window = NULL;
1237
1238         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)window);
1239
1240         image_update_title(imd);
1241 }
1242
1243 void image_set_update_func(ImageWindow *imd,
1244                            void (*func)(ImageWindow *imd, gpointer data),
1245                            gpointer data)
1246 {
1247         imd->func_update = func;
1248         imd->data_update = data;
1249 }
1250
1251 void image_set_complete_func(ImageWindow *imd,
1252                              void (*func)(ImageWindow *imd, gboolean preload, gpointer data),
1253                              gpointer data)
1254 {
1255         imd->func_complete = func;
1256         imd->data_complete = data;
1257 }
1258
1259 void image_set_state_func(ImageWindow *imd,
1260                         void (*func)(ImageWindow *imd, ImageState state, gpointer data),
1261                         gpointer data)
1262 {
1263         imd->func_state = func;
1264         imd->data_state = data;
1265 }
1266
1267
1268 void image_set_button_func(ImageWindow *imd,
1269                            void (*func)(ImageWindow *, GdkEventButton *event, gpointer),
1270                            gpointer data)
1271 {
1272         imd->func_button = func;
1273         imd->data_button = data;
1274 }
1275
1276 void image_set_drag_func(ImageWindow *imd,
1277                            void (*func)(ImageWindow *, GdkEventMotion *event, gdouble dx, gdouble dy, gpointer),
1278                            gpointer data)
1279 {
1280         imd->func_drag = func;
1281         imd->data_drag = data;
1282 }
1283
1284 void image_set_scroll_func(ImageWindow *imd,
1285                            void (*func)(ImageWindow *, GdkEventScroll *event, gpointer),
1286                            gpointer data)
1287 {
1288         imd->func_scroll = func;
1289         imd->data_scroll = data;
1290 }
1291
1292 void image_set_scroll_notify_func(ImageWindow *imd,
1293                                   void (*func)(ImageWindow *imd, gint x, gint y, gint width, gint height, gpointer data),
1294                                   gpointer data)
1295 {
1296         imd->func_scroll_notify = func;
1297         imd->data_scroll_notify = data;
1298 }
1299
1300 void image_set_focus_in_func(ImageWindow *imd,
1301                            void (*func)(ImageWindow *, gpointer),
1302                            gpointer data)
1303 {
1304         imd->func_focus_in = func;
1305         imd->data_focus_in = data;
1306 }
1307
1308 /* path, name */
1309
1310 const gchar *image_get_path(ImageWindow *imd)
1311 {
1312         if (imd->image_fd == NULL) return NULL;
1313         return imd->image_fd->path;
1314 }
1315
1316 const gchar *image_get_name(ImageWindow *imd)
1317 {
1318         if (imd->image_fd == NULL) return NULL;
1319         return imd->image_fd->name;
1320 }
1321
1322 FileData *image_get_fd(ImageWindow *imd)
1323 {
1324         return imd->image_fd;
1325 }
1326
1327 /* merely changes path string, does not change the image! */
1328 void image_set_fd(ImageWindow *imd, FileData *fd)
1329 {
1330         if (imd->auto_refresh && imd->image_fd)
1331                 file_data_unregister_real_time_monitor(imd->image_fd);
1332
1333         file_data_unref(imd->image_fd);
1334         imd->image_fd = file_data_ref(fd);
1335
1336         image_update_title(imd);
1337         image_state_set(imd, IMAGE_STATE_IMAGE);
1338
1339         if (imd->auto_refresh && imd->image_fd)
1340                 file_data_register_real_time_monitor(imd->image_fd);
1341 }
1342
1343 /* load a new image */
1344
1345 void image_change_fd(ImageWindow *imd, FileData *fd, gdouble zoom)
1346 {
1347         if (imd->image_fd == fd) return;
1348
1349         image_change_real(imd, fd, NULL, NULL, zoom);
1350 }
1351
1352 gboolean image_get_image_size(ImageWindow *imd, gint *width, gint *height)
1353 {
1354         return pixbuf_renderer_get_image_size(PIXBUF_RENDERER(imd->pr), width, height);
1355 }
1356
1357 GdkPixbuf *image_get_pixbuf(ImageWindow *imd)
1358 {
1359         return pixbuf_renderer_get_pixbuf((PixbufRenderer *)imd->pr);
1360 }
1361
1362 void image_change_pixbuf(ImageWindow *imd, GdkPixbuf *pixbuf, gdouble zoom, gboolean lazy)
1363 {
1364         LayoutWindow *lw;
1365         StereoPixbufData stereo_data = STEREO_PIXBUF_DEFAULT;
1366         /* read_exif and similar functions can actually notice that the file has changed and trigger
1367            a notification that removes the pixbuf from cache and unrefs it. Therefore we must ref it
1368            here before it is taken over by the renderer. */
1369         if (pixbuf) g_object_ref(pixbuf);
1370
1371         imd->orientation = EXIF_ORIENTATION_TOP_LEFT;
1372         if (imd->image_fd)
1373                 {
1374                 if (imd->image_fd->user_orientation)
1375                         {
1376                         imd->orientation = imd->image_fd->user_orientation;
1377                         }
1378                 else if (options->image.exif_rotate_enable)
1379                         {
1380                         imd->orientation = metadata_read_int(imd->image_fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
1381                         imd->image_fd->exif_orientation = imd->orientation;
1382                         }
1383                 }
1384
1385         if (pixbuf)
1386                 {
1387                 stereo_data = imd->user_stereo;
1388                 if (stereo_data == STEREO_PIXBUF_DEFAULT)
1389                         {
1390                         stereo_data = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(pixbuf), "stereo_data"));
1391                         }
1392                 }
1393
1394         pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, FALSE);
1395         if (imd->cm)
1396                 {
1397                 color_man_free(imd->cm);
1398                 imd->cm = NULL;
1399                 }
1400
1401         if (lazy)
1402                 {
1403                 pixbuf_renderer_set_pixbuf_lazy((PixbufRenderer *)imd->pr, pixbuf, zoom, imd->orientation, stereo_data);
1404                 }
1405         else
1406                 {
1407                 pixbuf_renderer_set_pixbuf((PixbufRenderer *)imd->pr, pixbuf, zoom);
1408                 pixbuf_renderer_set_orientation((PixbufRenderer *)imd->pr, imd->orientation);
1409                 pixbuf_renderer_set_stereo_data((PixbufRenderer *)imd->pr, stereo_data);
1410                 }
1411
1412         if (pixbuf) g_object_unref(pixbuf);
1413
1414         /* Color correction takes too much time for an animated gif */
1415         lw = layout_find_by_image(imd);
1416         if (imd->color_profile_enable && lw && !lw->animation)
1417                 {
1418                 image_post_process_color(imd, 0, FALSE); /** @todo error handling */
1419                 }
1420
1421         if (imd->cm || imd->desaturate || imd->overunderexposed)
1422                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1423
1424         image_state_set(imd, IMAGE_STATE_IMAGE);
1425 }
1426
1427 void image_change_from_collection(ImageWindow *imd, CollectionData *cd, CollectInfo *info, gdouble zoom)
1428 {
1429         CollectWindow *cw;
1430
1431         if (!cd || !info || !g_list_find(cd->list, info)) return;
1432
1433         image_change_real(imd, info->fd, cd, info, zoom);
1434         cw = collection_window_find(cd);
1435         if (cw)
1436                 {
1437                 collection_table_set_focus(cw->table, info);
1438                 collection_table_unselect_all(cw->table);
1439                 collection_table_select(cw->table,info);
1440                 }
1441
1442         if (info->fd)
1443                 {
1444                 image_chain_append_end(info->fd->path);
1445                 }
1446 }
1447
1448 CollectionData *image_get_collection(ImageWindow *imd, CollectInfo **info)
1449 {
1450         if (collection_to_number(imd->collection) >= 0)
1451                 {
1452                 if (g_list_find(imd->collection->list, imd->collection_info) != NULL)
1453                         {
1454                         if (info) *info = imd->collection_info;
1455                         }
1456                 else
1457                         {
1458                         if (info) *info = NULL;
1459                         }
1460                 return imd->collection;
1461                 }
1462
1463         if (info) *info = NULL;
1464         return NULL;
1465 }
1466
1467 static void image_loader_sync_read_ahead_data(ImageLoader *il, gpointer old_data, gpointer data)
1468 {
1469         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_error_cb, old_data))
1470                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_read_ahead_error_cb, data);
1471
1472         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_read_ahead_done_cb, old_data))
1473                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_read_ahead_done_cb, data);
1474 }
1475
1476 static void image_loader_sync_data(ImageLoader *il, gpointer old_data, gpointer data)
1477 {
1478         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_area_cb, old_data))
1479                 g_signal_connect(G_OBJECT(il), "area_ready", (GCallback)image_load_area_cb, data);
1480
1481         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_error_cb, old_data))
1482                 g_signal_connect(G_OBJECT(il), "error", (GCallback)image_load_error_cb, data);
1483
1484         if (g_signal_handlers_disconnect_by_func(G_OBJECT(il), (GCallback)image_load_done_cb, old_data))
1485                 g_signal_connect(G_OBJECT(il), "done", (GCallback)image_load_done_cb, data);
1486 }
1487
1488 /* this is more like a move function
1489  * it moves most data from source to imd
1490  */
1491 void image_move_from_image(ImageWindow *imd, ImageWindow *source)
1492 {
1493         if (imd == source) return;
1494
1495         imd->unknown = source->unknown;
1496
1497         imd->collection = source->collection;
1498         imd->collection_info = source->collection_info;
1499
1500         image_loader_free(imd->il);
1501         imd->il = NULL;
1502
1503         image_set_fd(imd, image_get_fd(source));
1504
1505
1506         if (source->il)
1507                 {
1508                 imd->il = source->il;
1509                 source->il = NULL;
1510
1511                 image_loader_sync_data(imd->il, source, imd);
1512
1513                 imd->delay_alter_type = source->delay_alter_type;
1514                 source->delay_alter_type = ALTER_NONE;
1515                 }
1516
1517         imd->color_profile_enable = source->color_profile_enable;
1518         imd->color_profile_input = source->color_profile_input;
1519         imd->color_profile_use_image = source->color_profile_use_image;
1520         color_man_free((ColorMan *)imd->cm);
1521         imd->cm = NULL;
1522         if (source->cm)
1523                 {
1524                 ColorMan *cm;
1525
1526                 imd->cm = source->cm;
1527                 source->cm = NULL;
1528
1529                 cm = (ColorMan *)imd->cm;
1530                 cm->imd = imd;
1531                 cm->func_done_data = imd;
1532                 }
1533
1534         file_data_unref(imd->read_ahead_fd);
1535         source->read_ahead_fd = NULL;
1536
1537         imd->orientation = source->orientation;
1538         imd->desaturate = source->desaturate;
1539
1540         imd->user_stereo = source->user_stereo;
1541
1542         pixbuf_renderer_move(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1543
1544         if (imd->cm || imd->desaturate || imd->overunderexposed)
1545                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1546         else
1547                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1548
1549 }
1550
1551 /* this is  a copy function
1552  * source stays unchanged
1553  */
1554 void image_copy_from_image(ImageWindow *imd, ImageWindow *source)
1555 {
1556         if (imd == source) return;
1557
1558         imd->unknown = source->unknown;
1559
1560         imd->collection = source->collection;
1561         imd->collection_info = source->collection_info;
1562
1563         image_loader_free(imd->il);
1564         imd->il = NULL;
1565
1566         image_set_fd(imd, image_get_fd(source));
1567
1568
1569         imd->color_profile_enable = source->color_profile_enable;
1570         imd->color_profile_input = source->color_profile_input;
1571         imd->color_profile_use_image = source->color_profile_use_image;
1572         color_man_free((ColorMan *)imd->cm);
1573         imd->cm = NULL;
1574         if (source->cm)
1575                 {
1576                 ColorMan *cm;
1577
1578                 imd->cm = source->cm;
1579                 source->cm = NULL;
1580
1581                 cm = (ColorMan *)imd->cm;
1582                 cm->imd = imd;
1583                 cm->func_done_data = imd;
1584                 }
1585
1586         image_loader_free(imd->read_ahead_il);
1587         imd->read_ahead_il = source->read_ahead_il;
1588         source->read_ahead_il = NULL;
1589         if (imd->read_ahead_il) image_loader_sync_read_ahead_data(imd->read_ahead_il, source, imd);
1590
1591         file_data_unref(imd->read_ahead_fd);
1592         imd->read_ahead_fd = source->read_ahead_fd;
1593         source->read_ahead_fd = NULL;
1594
1595         imd->completed = source->completed;
1596         imd->state = source->state;
1597         source->state = IMAGE_STATE_NONE;
1598
1599         imd->orientation = source->orientation;
1600         imd->desaturate = source->desaturate;
1601
1602         imd->user_stereo = source->user_stereo;
1603
1604         pixbuf_renderer_copy(PIXBUF_RENDERER(imd->pr), PIXBUF_RENDERER(source->pr));
1605
1606         if (imd->cm || imd->desaturate || imd->overunderexposed)
1607                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, image_post_process_tile_color_cb, (gpointer) imd, (imd->cm != NULL) );
1608         else
1609                 pixbuf_renderer_set_post_process_func((PixbufRenderer *)imd->pr, NULL, NULL, TRUE);
1610
1611 }
1612
1613
1614 /* manipulation */
1615
1616 void image_area_changed(ImageWindow *imd, gint x, gint y, gint width, gint height)
1617 {
1618         pixbuf_renderer_area_changed((PixbufRenderer *)imd->pr, x, y, width, height);
1619 }
1620
1621 void image_reload(ImageWindow *imd)
1622 {
1623         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1624
1625         image_change_complete(imd, image_zoom_get(imd));
1626 }
1627
1628 void image_scroll(ImageWindow *imd, gint x, gint y)
1629 {
1630         pixbuf_renderer_scroll((PixbufRenderer *)imd->pr, x, y);
1631 }
1632
1633 void image_scroll_to_point(ImageWindow *imd, gint x, gint y,
1634                            gdouble x_align, gdouble y_align)
1635 {
1636         pixbuf_renderer_scroll_to_point((PixbufRenderer *)imd->pr, x, y, x_align, y_align);
1637 }
1638
1639 void image_get_scroll_center(ImageWindow *imd, gdouble *x, gdouble *y)
1640 {
1641         pixbuf_renderer_get_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1642 }
1643
1644 void image_set_scroll_center(ImageWindow *imd, gdouble x, gdouble y)
1645 {
1646         pixbuf_renderer_set_scroll_center(PIXBUF_RENDERER(imd->pr), x, y);
1647 }
1648
1649 void image_zoom_adjust(ImageWindow *imd, gdouble increment)
1650 {
1651         pixbuf_renderer_zoom_adjust((PixbufRenderer *)imd->pr, increment);
1652 }
1653
1654 void image_zoom_adjust_at_point(ImageWindow *imd, gdouble increment, gint x, gint y)
1655 {
1656         pixbuf_renderer_zoom_adjust_at_point((PixbufRenderer *)imd->pr, increment, x, y);
1657 }
1658
1659 void image_zoom_set_limits(ImageWindow *imd, gdouble min, gdouble max)
1660 {
1661         pixbuf_renderer_zoom_set_limits((PixbufRenderer *)imd->pr, min, max);
1662 }
1663
1664 void image_zoom_set(ImageWindow *imd, gdouble zoom)
1665 {
1666         pixbuf_renderer_zoom_set((PixbufRenderer *)imd->pr, zoom);
1667 }
1668
1669 void image_zoom_set_fill_geometry(ImageWindow *imd, gboolean vertical)
1670 {
1671         PixbufRenderer *pr;
1672         gdouble zoom;
1673         gint width, height;
1674
1675         pr = (PixbufRenderer *)imd->pr;
1676
1677         if (!pixbuf_renderer_get_pixbuf(pr) ||
1678             !pixbuf_renderer_get_image_size(pr, &width, &height)) return;
1679
1680         if (vertical)
1681                 {
1682                 zoom = (gdouble)pr->viewport_height / height;
1683                 }
1684         else
1685                 {
1686                 zoom = (gdouble)pr->viewport_width / width;
1687                 }
1688
1689         if (zoom < 1.0)
1690                 {
1691                 zoom = 0.0 - 1.0 / zoom;
1692                 }
1693
1694         pixbuf_renderer_zoom_set(pr, zoom);
1695 }
1696
1697 gdouble image_zoom_get(ImageWindow *imd)
1698 {
1699         return pixbuf_renderer_zoom_get((PixbufRenderer *)imd->pr);
1700 }
1701
1702 gdouble image_zoom_get_real(ImageWindow *imd)
1703 {
1704         return pixbuf_renderer_zoom_get_scale((PixbufRenderer *)imd->pr);
1705 }
1706
1707 gchar *image_zoom_get_as_text(ImageWindow *imd)
1708 {
1709         gdouble zoom;
1710         gdouble scale;
1711         gdouble l = 1.0;
1712         gdouble r = 1.0;
1713         gint pl = 0;
1714         gint pr = 0;
1715         gchar *approx = " ";
1716
1717         zoom = image_zoom_get(imd);
1718         scale = image_zoom_get_real(imd);
1719
1720         if (zoom > 0.0)
1721                 {
1722                 l = zoom;
1723                 }
1724         else if (zoom < 0.0)
1725                 {
1726                 r = 0.0 - zoom;
1727                 }
1728         else if (zoom == 0.0 && scale != 0.0)
1729                 {
1730                 if (scale >= 1.0)
1731                         {
1732                         l = scale;
1733                         }
1734                 else
1735                         {
1736                         r = 1.0 / scale;
1737                         }
1738                 approx = "~";
1739                 }
1740
1741         if (rint(l) != l) pl = 2;
1742         if (rint(r) != r) pr = 2;
1743
1744         return g_strdup_printf("%.*f :%s%.*f", pl, l, approx, pr, r);
1745 }
1746
1747 gdouble image_zoom_get_default(ImageWindow *imd)
1748 {
1749         gdouble zoom = 1.0;
1750
1751         switch (options->image.zoom_mode)
1752         {
1753         case ZOOM_RESET_ORIGINAL:
1754                 break;
1755         case ZOOM_RESET_FIT_WINDOW:
1756                 zoom = 0.0;
1757                 break;
1758         case ZOOM_RESET_NONE:
1759                 if (imd) zoom = image_zoom_get(imd);
1760                 break;
1761         }
1762
1763         return zoom;
1764 }
1765
1766 /* stereo */
1767 gint image_stereo_get(ImageWindow *imd)
1768 {
1769         return pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1770 }
1771
1772 void image_stereo_set(ImageWindow *imd, gint stereo_mode)
1773 {
1774         DEBUG_1("Setting stereo mode %04x for imd %p", stereo_mode, imd);
1775         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1776 }
1777
1778 void image_stereo_swap(ImageWindow *imd)
1779 {
1780         gint stereo_mode = pixbuf_renderer_stereo_get((PixbufRenderer *)imd->pr);
1781         stereo_mode ^= PR_STEREO_SWAP;
1782         pixbuf_renderer_stereo_set((PixbufRenderer *)imd->pr, stereo_mode);
1783 }
1784
1785 StereoPixbufData image_stereo_pixbuf_get(ImageWindow *imd)
1786 {
1787         return imd->user_stereo;
1788 }
1789
1790 void image_stereo_pixbuf_set(ImageWindow *imd, StereoPixbufData stereo_mode)
1791 {
1792         imd->user_stereo = stereo_mode;
1793         image_reload(imd);
1794 }
1795
1796 /* read ahead */
1797
1798 void image_prebuffer_set(ImageWindow *imd, FileData *fd)
1799 {
1800         if (pixbuf_renderer_get_tiles((PixbufRenderer *)imd->pr)) return;
1801
1802         if (fd)
1803                 {
1804                 if (!file_cache_get(image_get_cache(), fd))
1805                         {
1806                         image_read_ahead_set(imd, fd);
1807                         }
1808                 }
1809         else
1810                 {
1811                 image_read_ahead_cancel(imd);
1812                 }
1813 }
1814
1815 static void image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1816 {
1817         ImageWindow *imd = data;
1818
1819         if (!imd || !image_get_pixbuf(imd) ||
1820             /* imd->il || */ /* loading in progress - do not check - it should start from the beginning anyway */
1821             !imd->image_fd || /* nothing to reload */
1822             imd->state == IMAGE_STATE_NONE /* loading not started, no need to reload */
1823             ) return;
1824
1825         if ((type & NOTIFY_REREAD) && fd == imd->image_fd)
1826                 {
1827                 /* there is no need to reload on NOTIFY_CHANGE,
1828                    modified files should be detacted anyway and NOTIFY_REREAD should be received
1829                    or they are removed from the filelist completely on "move" and "delete"
1830                 */
1831                 DEBUG_1("Notify image: %s %04x", fd->path, type);
1832                 image_reload(imd);
1833                 }
1834 }
1835
1836 void image_auto_refresh_enable(ImageWindow *imd, gboolean enable)
1837 {
1838         if (!enable && imd->auto_refresh && imd->image_fd)
1839                 file_data_unregister_real_time_monitor(imd->image_fd);
1840
1841         if (enable && !imd->auto_refresh && imd->image_fd)
1842                 file_data_register_real_time_monitor(imd->image_fd);
1843
1844         imd->auto_refresh = enable;
1845 }
1846
1847 void image_top_window_set_sync(ImageWindow *imd, gboolean allow_sync)
1848 {
1849         imd->top_window_sync = allow_sync;
1850
1851         g_object_set(G_OBJECT(imd->pr), "window_fit", allow_sync, NULL);
1852 }
1853
1854 void image_background_set_color(ImageWindow *imd, GdkColor *color)
1855 {
1856         pixbuf_renderer_set_color((PixbufRenderer *)imd->pr, color);
1857 }
1858
1859 void image_background_set_color_from_options(ImageWindow *imd, gboolean fullscreen)
1860 {
1861         GdkColor *color = NULL;
1862
1863         if ((options->image.use_custom_border_color && !fullscreen) ||
1864             (options->image.use_custom_border_color_in_fullscreen && fullscreen))
1865                 {
1866                 color = &options->image.border_color;
1867                 }
1868
1869         image_background_set_color(imd, color);
1870 }
1871
1872 void image_color_profile_set(ImageWindow *imd,
1873                              gint input_type,
1874                              gboolean use_image)
1875 {
1876         if (!imd) return;
1877
1878         if (input_type < 0 || input_type >= COLOR_PROFILE_FILE + COLOR_PROFILE_INPUTS)
1879                 {
1880                 return;
1881                 }
1882
1883         imd->color_profile_input = input_type;
1884         imd->color_profile_use_image = use_image;
1885 }
1886
1887 gboolean image_color_profile_get(ImageWindow *imd,
1888                                  gint *input_type,
1889                                  gboolean *use_image)
1890 {
1891         if (!imd) return FALSE;
1892
1893         if (input_type) *input_type = imd->color_profile_input;
1894         if (use_image) *use_image = imd->color_profile_use_image;
1895
1896         return TRUE;
1897 }
1898
1899 void image_color_profile_set_use(ImageWindow *imd, gboolean enable)
1900 {
1901         if (!imd) return;
1902
1903         if (imd->color_profile_enable == enable) return;
1904
1905         imd->color_profile_enable = enable;
1906 }
1907
1908 gboolean image_color_profile_get_use(ImageWindow *imd)
1909 {
1910         if (!imd) return FALSE;
1911
1912         return imd->color_profile_enable;
1913 }
1914
1915 gboolean image_color_profile_get_status(ImageWindow *imd, gchar **image_profile, gchar **screen_profile)
1916 {
1917         ColorMan *cm;
1918         if (!imd) return FALSE;
1919
1920         cm = imd->cm;
1921         if (!cm) return FALSE;
1922         return color_man_get_status(cm, image_profile, screen_profile);
1923
1924 }
1925
1926 void image_set_delay_flip(ImageWindow *imd, gboolean delay)
1927 {
1928         if (!imd ||
1929             imd->delay_flip == delay) return;
1930
1931         imd->delay_flip = delay;
1932
1933         g_object_set(G_OBJECT(imd->pr), "delay_flip", delay, NULL);
1934
1935         if (!imd->delay_flip && imd->il)
1936                 {
1937                 PixbufRenderer *pr;
1938
1939                 pr = PIXBUF_RENDERER(imd->pr);
1940                 if (pr->pixbuf) g_object_unref(pr->pixbuf);
1941                 pr->pixbuf = NULL;
1942
1943                 image_load_pixbuf_ready(imd);
1944                 }
1945 }
1946
1947 void image_to_root_window(ImageWindow *imd, gboolean scaled)
1948 {
1949 #if !GTK_CHECK_VERSION(3,0,0)
1950         GdkScreen *screen;
1951         GdkWindow *rootwindow;
1952         GdkPixmap *pixmap;
1953         GdkPixbuf *pixbuf;
1954         GdkPixbuf *pb;
1955         gint width, height;
1956
1957         if (!imd) return;
1958
1959         pixbuf = image_get_pixbuf(imd);
1960         if (!pixbuf) return;
1961
1962         screen = gtk_widget_get_screen(imd->widget);
1963         rootwindow = gdk_screen_get_root_window(screen);
1964         if (gdk_window_get_visual(rootwindow) != gdk_visual_get_system()) return;
1965
1966         if (scaled)
1967                 {
1968                 width = gdk_screen_width();
1969                 height = gdk_screen_height();
1970                 }
1971         else
1972                 {
1973                 pixbuf_renderer_get_scaled_size((PixbufRenderer *)imd->pr, &width, &height);
1974                 }
1975
1976         pb = gdk_pixbuf_scale_simple(pixbuf, width, height, (GdkInterpType)options->image.zoom_quality);
1977
1978         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, NULL, 128);
1979         gdk_window_set_back_pixmap(rootwindow, pixmap, FALSE);
1980         gdk_window_clear(rootwindow);
1981         g_object_unref(pb);
1982         g_object_unref(pixmap);
1983
1984         gdk_flush();
1985 #endif
1986 }
1987
1988 void image_select(ImageWindow *imd, gboolean select)
1989 {
1990         if (!imd->has_frame) return;
1991
1992         if (select)
1993                 {
1994                 gtk_widget_set_state(imd->widget, GTK_STATE_SELECTED);
1995                 gtk_widget_set_state(imd->pr, GTK_STATE_NORMAL); /* do not propagate */
1996                 }
1997         else
1998                 gtk_widget_set_state(imd->widget, GTK_STATE_NORMAL);
1999 }
2000
2001 void image_set_selectable(ImageWindow *imd, gboolean selectable)
2002 {
2003         if (!imd->has_frame) return;
2004
2005         gtk_frame_set_shadow_type(GTK_FRAME(imd->frame), GTK_SHADOW_NONE);
2006         gtk_container_set_border_width(GTK_CONTAINER(imd->frame), selectable ? 4 : 0);
2007 }
2008
2009 void image_grab_focus(ImageWindow *imd)
2010 {
2011         if (imd->has_frame)
2012                 {
2013                 gtk_widget_grab_focus(imd->frame);
2014                 }
2015         else
2016                 {
2017                 gtk_widget_grab_focus(imd->widget);
2018                 }
2019 }
2020
2021
2022 /*
2023  *-------------------------------------------------------------------
2024  * prefs sync
2025  *-------------------------------------------------------------------
2026  */
2027
2028 static void image_options_set(ImageWindow *imd)
2029 {
2030         g_object_set(G_OBJECT(imd->pr), "zoom_quality", options->image.zoom_quality,
2031                                         "zoom_2pass", options->image.zoom_2pass,
2032                                         "zoom_expand", options->image.zoom_to_fit_allow_expand,
2033                                         "scroll_reset", options->image.scroll_reset_method,
2034                                         "cache_display", options->image.tile_cache_max,
2035                                         "window_fit", (imd->top_window_sync && options->image.fit_window_to_image),
2036                                         "window_limit", options->image.limit_window_size,
2037                                         "window_limit_value", options->image.max_window_size,
2038                                         "autofit_limit", options->image.limit_autofit_size,
2039                                         "autofit_limit_value", options->image.max_autofit_size,
2040                                         "enlargement_limit_value", options->image.max_enlargement_size,
2041
2042                                         NULL);
2043
2044         pixbuf_renderer_set_parent((PixbufRenderer *)imd->pr, (GtkWindow *)imd->top_window);
2045
2046         image_stereo_set(imd, options->stereo.mode);
2047         pixbuf_renderer_stereo_fixed_set((PixbufRenderer *)imd->pr,
2048                                         options->stereo.fixed_w, options->stereo.fixed_h,
2049                                         options->stereo.fixed_x1, options->stereo.fixed_y1,
2050                                         options->stereo.fixed_x2, options->stereo.fixed_y2);
2051 }
2052
2053 void image_options_sync(void)
2054 {
2055         GList *work;
2056
2057         work = image_list;
2058         while (work)
2059                 {
2060                 ImageWindow *imd;
2061
2062                 imd = work->data;
2063                 work = work->next;
2064
2065                 image_options_set(imd);
2066                 }
2067 }
2068
2069 /*
2070  *-------------------------------------------------------------------
2071  * init / destroy
2072  *-------------------------------------------------------------------
2073  */
2074
2075 static void image_free(ImageWindow *imd)
2076 {
2077         image_list = g_list_remove(image_list, imd);
2078
2079         if (imd->auto_refresh && imd->image_fd)
2080                 file_data_unregister_real_time_monitor(imd->image_fd);
2081
2082         file_data_unregister_notify_func(image_notify_cb, imd);
2083
2084         image_reset(imd);
2085
2086         image_read_ahead_cancel(imd);
2087
2088         file_data_unref(imd->image_fd);
2089         g_free(imd->title);
2090         g_free(imd->title_right);
2091         g_free(imd);
2092 }
2093
2094 static void image_destroy_cb(GtkWidget *widget, gpointer data)
2095 {
2096         ImageWindow *imd = data;
2097         image_free(imd);
2098 }
2099 #if GTK_CHECK_VERSION(3,0,0)
2100 gboolean selectable_frame_draw_cb(GtkWidget *widget, cairo_t *cr, gpointer data)
2101 {
2102         GtkAllocation allocation;
2103         gtk_widget_get_allocation(widget, &allocation);
2104         gtk_paint_flat_box(gtk_widget_get_style(widget),
2105                            cr,
2106                            gtk_widget_get_state(widget),
2107                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2108                            widget,
2109                            NULL,
2110                            allocation.x + 3, allocation.y + 3,
2111                            allocation.width - 6, allocation.height - 6);
2112
2113         if (gtk_widget_has_focus(widget))
2114                 {
2115                 gtk_paint_focus(gtk_widget_get_style(widget), cr, GTK_STATE_ACTIVE,
2116                                 widget, "image_window",
2117                                 allocation.x, allocation.y,
2118                                 allocation.width - 1, allocation.height - 1);
2119                 }
2120         else
2121                 {
2122                 gtk_paint_shadow(gtk_widget_get_style(widget), cr, GTK_STATE_NORMAL, GTK_SHADOW_IN,
2123                                  widget, "image_window",
2124                                  allocation.x, allocation.y,
2125                                  allocation.width - 1, allocation.height - 1);
2126                 }
2127         return FALSE;
2128 }
2129
2130 #else
2131 gboolean selectable_frame_expose_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
2132 {
2133         GtkAllocation allocation;
2134         gtk_widget_get_allocation(widget, &allocation);
2135         gtk_paint_flat_box(gtk_widget_get_style(widget),
2136                            gtk_widget_get_window(widget),
2137                            gtk_widget_get_state(widget),
2138                            gtk_frame_get_shadow_type(GTK_FRAME(widget)),
2139                            NULL,
2140                            widget,
2141                            NULL,
2142                            allocation.x + 3, allocation.y + 3,
2143                            allocation.width - 6, allocation.height - 6);
2144
2145         if (gtk_widget_has_focus(widget))
2146                 {
2147                 gtk_paint_focus(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_ACTIVE,
2148                                 &event->area, widget, "image_window",
2149                                 allocation.x, allocation.y,
2150                                 allocation.width - 1, allocation.height - 1);
2151                 }
2152         else
2153                 {
2154                 gtk_paint_shadow(gtk_widget_get_style(widget), gtk_widget_get_window(widget), GTK_STATE_NORMAL, GTK_SHADOW_IN,
2155                                  &event->area, widget, "image_window",
2156                                  allocation.x, allocation.y,
2157                                  allocation.width - 1, allocation.height - 1);
2158                 }
2159         return FALSE;
2160 }
2161 #endif
2162
2163
2164 void image_set_frame(ImageWindow *imd, gboolean frame)
2165 {
2166         frame = !!frame;
2167
2168         if (frame == imd->has_frame) return;
2169
2170         gtk_widget_hide(imd->pr);
2171
2172         if (frame)
2173                 {
2174                 imd->frame = gtk_frame_new(NULL);
2175                 DEBUG_NAME(imd->frame);
2176                 g_object_ref(imd->pr);
2177                 if (imd->has_frame != -1) gtk_container_remove(GTK_CONTAINER(imd->widget), imd->pr);
2178                 gtk_container_add(GTK_CONTAINER(imd->frame), imd->pr);
2179
2180                 g_object_unref(imd->pr);
2181                 gtk_widget_set_can_focus(imd->frame, TRUE);
2182                 gtk_widget_set_app_paintable(imd->frame, TRUE);
2183
2184 #if GTK_CHECK_VERSION(3,0,0)
2185                 g_signal_connect(G_OBJECT(imd->frame), "draw",
2186                                  G_CALLBACK(selectable_frame_draw_cb), NULL);
2187 #else
2188                 g_signal_connect(G_OBJECT(imd->frame), "expose_event",
2189                                  G_CALLBACK(selectable_frame_expose_cb), NULL);
2190 #endif
2191                 g_signal_connect(G_OBJECT(imd->frame), "focus_in_event",
2192                                  G_CALLBACK(image_focus_in_cb), imd);
2193
2194                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->frame, TRUE, TRUE, 0);
2195                 gtk_widget_show(imd->frame);
2196                 }
2197         else
2198                 {
2199                 g_object_ref(imd->pr);
2200                 if (imd->frame)
2201                         {
2202                         gtk_container_remove(GTK_CONTAINER(imd->frame), imd->pr);
2203                         gtk_widget_destroy(imd->frame);
2204                         imd->frame = NULL;
2205                         }
2206                 gtk_box_pack_start(GTK_BOX(imd->widget), imd->pr, TRUE, TRUE, 0);
2207
2208                 g_object_unref(imd->pr);
2209                 }
2210
2211         gtk_widget_show(imd->pr);
2212
2213         imd->has_frame = frame;
2214 }
2215
2216 ImageWindow *image_new(gboolean frame)
2217 {
2218         ImageWindow *imd;
2219
2220         imd = g_new0(ImageWindow, 1);
2221
2222         imd->unknown = TRUE;
2223         imd->has_frame = -1; /* not initialized; for image_set_frame */
2224         imd->delay_alter_type = ALTER_NONE;
2225         imd->state = IMAGE_STATE_NONE;
2226         imd->color_profile_from_image = COLOR_PROFILE_NONE;
2227         imd->orientation = 1;
2228
2229         imd->pr = GTK_WIDGET(pixbuf_renderer_new());
2230         DEBUG_NAME(imd->pr);
2231
2232         image_options_set(imd);
2233
2234         imd->widget = gtk_vbox_new(0, 0);
2235         DEBUG_NAME(imd->widget);
2236
2237         image_set_frame(imd, frame);
2238
2239         image_set_selectable(imd, 0);
2240
2241         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2242                          G_CALLBACK(image_click_cb), imd);
2243         g_signal_connect(G_OBJECT(imd->pr), "button_press_event",
2244                          G_CALLBACK(image_press_cb), imd);
2245         g_signal_connect(G_OBJECT(imd->pr), "scroll_notify",
2246                          G_CALLBACK(image_scroll_notify_cb), imd);
2247
2248         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2249                          G_CALLBACK(image_scroll_cb), imd);
2250
2251         g_signal_connect(G_OBJECT(imd->pr), "destroy",
2252                          G_CALLBACK(image_destroy_cb), imd);
2253
2254         g_signal_connect(G_OBJECT(imd->pr), "zoom",
2255                          G_CALLBACK(image_zoom_cb), imd);
2256         g_signal_connect(G_OBJECT(imd->pr), "render_complete",
2257                          G_CALLBACK(image_render_complete_cb), imd);
2258         g_signal_connect(G_OBJECT(imd->pr), "drag",
2259                          G_CALLBACK(image_drag_cb), imd);
2260
2261         file_data_register_notify_func(image_notify_cb, imd, NOTIFY_PRIORITY_LOW);
2262
2263         image_list = g_list_append(image_list, imd);
2264
2265         return imd;
2266 }
2267
2268 void image_get_rectangle(gint *x1, gint *y1, gint *x2, gint *y2)
2269 {
2270         *x1 = rect_x1;
2271         *y1 = rect_y1;
2272         *x2 = rect_x2;
2273         *y2 = rect_y2;
2274 }
2275
2276 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */