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