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