pdf/ev-poppler.cc

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* pdfdocument.h: Implementation of EvDocument for PDF
   3  * Copyright (C) 2004, Red Hat, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #include <math.h>
  21 #include <string.h>
  22 #include <gtk/gtk.h>
  23 #include <poppler.h>
  24 #include <poppler-document.h>
  25 #include <poppler-page.h>
  26 #include <glib/gi18n.h>
  27
  28 #include "ev-poppler.h"
  29 #include "ev-ps-exporter.h"
  30 #include "ev-document-find.h"
  31 #include "ev-document-misc.h"
  32 #include "ev-document-links.h"
  33 #include "ev-document-fonts.h"
  34 #include "ev-document-security.h"
  35 #include "ev-document-thumbnails.h"
  36 #include "ev-selection.h"
  37
  38 typedef struct {
  39         PdfDocument *document;
  40         char *text;
  41         GList **pages;
  42         guint idle;
  43         int start_page;
  44         int search_page;
  45 } PdfDocumentSearch;
  46
  47 struct _PdfDocumentClass
  48 {
  49         GObjectClass parent_class;
  50 };
  51
  52 struct _PdfDocument
  53 {
  54         GObject parent_instance;
  55
  56         PopplerDocument *document;
  57         PopplerPSFile *ps_file;
  58         gchar *password;
  59
  60         PopplerFontInfo *font_info;
  61         PopplerFontsIter *fonts_iter;
  62         int fonts_scanned_pages;
  63
  64         PdfDocumentSearch *search;
  65 };
  66
  67 static void pdf_document_document_iface_init            (EvDocumentIface           *iface);
  68 static void pdf_document_security_iface_init            (EvDocumentSecurityIface   *iface);
  69 static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
  70 static void pdf_document_document_links_iface_init      (EvDocumentLinksIface      *iface);
  71 static void pdf_document_document_fonts_iface_init      (EvDocumentFontsIface      *iface);
  72 static void pdf_document_find_iface_init                (EvDocumentFindIface       *iface);
  73 static void pdf_document_ps_exporter_iface_init         (EvPSExporterIface         *iface);
  74 static void pdf_selection_iface_init                    (EvSelectionIface          *iface);
  75 static void pdf_document_thumbnails_get_dimensions      (EvDocumentThumbnails      *document_thumbnails,
  76                                                          gint                       page,
  77                                                          gint                       size,
  78                                                          gint                      *width,
  79                                                          gint                      *height);
  80 static int  pdf_document_get_n_pages                    (EvDocument                *document);
  81
  82 static EvLink * ev_link_from_action (PopplerAction *action);
  83 static void pdf_document_search_free (PdfDocumentSearch   *search);
  84
  85
  86 G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
  87                          {
  88                                  G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
  89                                                         pdf_document_document_iface_init);
  90                                  G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
  91                                                         pdf_document_security_iface_init);
  92                                  G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
  93                                                         pdf_document_document_thumbnails_iface_init);
  94                                  G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
  95                                                         pdf_document_document_links_iface_init);
  96                                  G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
  97                                                         pdf_document_document_fonts_iface_init);
  98                                  G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
  99                                                         pdf_document_find_iface_init);
 100                                  G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
 101                                                         pdf_document_ps_exporter_iface_init);
 102                                  G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
 103                                                         pdf_selection_iface_init);
 104                          });
 105
 106 static void
 107 pdf_document_search_free (PdfDocumentSearch   *search)
 108 {
 109         PdfDocument *pdf_document = search->document;
 110         int n_pages;
 111         int i;
 112
 113         if (search->idle != 0)
 114                 g_source_remove (search->idle);
 115
 116         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 117         for (i = 0; i < n_pages; i++) {
 118                 g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
 119                 g_list_free (search->pages[i]);
 120         }
 121
 122         g_free (search->text);
 123 }
 124
 125 static void
 126 pdf_document_dispose (GObject *object)
 127 {
 128         PdfDocument *pdf_document = PDF_DOCUMENT(object);
 129
 130         if (pdf_document->search) {
 131                 pdf_document_search_free (pdf_document->search);
 132                 pdf_document->search = NULL;
 133         }
 134
 135         if (pdf_document->document) {
 136                 g_object_unref (pdf_document->document);
 137         }
 138
 139         if (pdf_document->font_info) {
 140                 poppler_font_info_free (pdf_document->font_info);
 141         }
 142
 143         if (pdf_document->fonts_iter) {
 144                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 145         }
 146 }
 147
 148 static void
 149 pdf_document_class_init (PdfDocumentClass *klass)
 150 {
 151         GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
 152
 153         g_object_class->dispose = pdf_document_dispose;
 154 }
 155
 156 static void
 157 pdf_document_init (PdfDocument *pdf_document)
 158 {
 159         pdf_document->password = NULL;
 160 }
 161
 162 static void
 163 convert_error (GError  *poppler_error,
 164                GError **error)
 165 {
 166         if (poppler_error == NULL)
 167                 return;
 168
 169         if (poppler_error->domain == POPPLER_ERROR) {
 170                 /* convert poppler errors into EvDocument errors */
 171                 gint code = EV_DOCUMENT_ERROR_INVALID;
 172                 if (poppler_error->code == POPPLER_ERROR_INVALID)
 173                         code = EV_DOCUMENT_ERROR_INVALID;
 174                 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
 175                         code = EV_DOCUMENT_ERROR_ENCRYPTED;
 176
 177
 178                 g_set_error (error,
 179                              EV_DOCUMENT_ERROR,
 180                              code,
 181                              poppler_error->message,
 182                              NULL);
 183         } else {
 184                 g_propagate_error (error, poppler_error);
 185         }
 186 }
 187
 188
 189 /* EvDocument */
 190 static gboolean
 191 pdf_document_save (EvDocument  *document,
 192                    const char  *uri,
 193                    GError     **error)
 194 {
 195         gboolean retval;
 196         GError *poppler_error = NULL;
 197
 198         retval = poppler_document_save (PDF_DOCUMENT (document)->document,
 199                                         uri,
 200                                         &poppler_error);
 201         if (! retval)
 202                 convert_error (poppler_error, error);
 203
 204         return retval;
 205 }
 206
 207 static PopplerOrientation
 208 get_document_orientation (PdfDocument *pdf_document)
 209 {
 210         PopplerOrientation orientation;
 211         PopplerPage *page;
 212
 213         /* Should prolly be smarter here and check more than first page */
 214         page = poppler_document_get_page (pdf_document->document, 0);
 215         if (page) {
 216                 orientation = poppler_page_get_orientation (page);
 217         } else {
 218                 orientation = POPPLER_ORIENTATION_PORTRAIT;
 219         }
 220         g_object_unref (page);
 221
 222         return orientation;
 223 }
 224
 225 static gboolean
 226 pdf_document_load (EvDocument   *document,
 227                    const char   *uri,
 228                    GError      **error)
 229 {
 230         GError *poppler_error = NULL;
 231         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 232
 233         pdf_document->document =
 234                 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
 235
 236         if (pdf_document->document == NULL) {
 237                 convert_error (poppler_error, error);
 238                 return FALSE;
 239         }
 240
 241         return TRUE;
 242 }
 243
 244 static int
 245 pdf_document_get_n_pages (EvDocument *document)
 246 {
 247         return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 248 }
 249
 250 /* FIXME This should not be necessary, poppler should rember it */
 251 static void
 252 set_page_orientation (PdfDocument *pdf_document, PopplerPage *page, EvOrientation orientation)
 253 {
 254         PopplerOrientation poppler_orientation;
 255
 256         switch (orientation) {
 257                 case EV_ORIENTATION_PORTRAIT:
 258                         poppler_orientation = POPPLER_ORIENTATION_PORTRAIT;
 259                         break;
 260                 case EV_ORIENTATION_LANDSCAPE:
 261                         poppler_orientation = POPPLER_ORIENTATION_LANDSCAPE;
 262                         break;
 263                 case EV_ORIENTATION_UPSIDEDOWN:
 264                         poppler_orientation = POPPLER_ORIENTATION_UPSIDEDOWN;
 265                         break;
 266                 case EV_ORIENTATION_SEASCAPE:
 267                         poppler_orientation = POPPLER_ORIENTATION_SEASCAPE;
 268                         break;
 269                 default:
 270                         g_assert_not_reached ();
 271         }
 272
 273         poppler_page_set_orientation (page, poppler_orientation);
 274 }
 275
 276 static void
 277 pdf_document_get_page_size (EvDocument   *document,
 278                             int           page,
 279                             double       *width,
 280                             double       *height)
 281 {
 282         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 283         PopplerPage *poppler_page;
 284
 285         poppler_page = poppler_document_get_page (pdf_document->document, page);
 286         poppler_page_get_size (poppler_page, width, height);
 287         g_object_unref (poppler_page);
 288 }
 289
 290 static char *
 291 pdf_document_get_page_label (EvDocument *document,
 292                              int         page)
 293 {
 294         PopplerPage *poppler_page;
 295         char *label = NULL;
 296
 297         poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
 298                                                   page);
 299
 300         g_object_get (G_OBJECT (poppler_page),
 301                       "label", &label,
 302                       NULL);
 303         g_object_unref (poppler_page);
 304
 305         return label;
 306 }
 307
 308 static GList *
 309 pdf_document_get_links (EvDocument *document,
 310                         int         page)
 311 {
 312         PdfDocument *pdf_document;
 313         PopplerPage *poppler_page;
 314         GList *retval = NULL;
 315         GList *mapping_list;
 316         GList *list;
 317         double height;
 318
 319         pdf_document = PDF_DOCUMENT (document);
 320         poppler_page = poppler_document_get_page (pdf_document->document,
 321                                                   page);
 322         mapping_list = poppler_page_get_link_mapping (poppler_page);
 323         poppler_page_get_size (poppler_page, NULL, &height);
 324
 325         for (list = mapping_list; list; list = list->next) {
 326                 PopplerLinkMapping *link_mapping;
 327                 EvLinkMapping *ev_link_mapping;
 328
 329                 link_mapping = (PopplerLinkMapping *)list->data;
 330                 ev_link_mapping = g_new (EvLinkMapping, 1);
 331                 ev_link_mapping->link = ev_link_from_action (link_mapping->action);
 332                 ev_link_mapping->x1 = link_mapping->area.x1;
 333                 ev_link_mapping->x2 = link_mapping->area.x2;
 334                 /* Invert this for X-style coordinates */
 335                 ev_link_mapping->y1 = height - link_mapping->area.y2;
 336                 ev_link_mapping->y2 = height - link_mapping->area.y1;
 337
 338                 retval = g_list_prepend (retval, ev_link_mapping);
 339         }
 340
 341         poppler_page_free_link_mapping (mapping_list);
 342         g_object_unref (poppler_page);
 343
 344         return g_list_reverse (retval);
 345 }
 346
 347
 348 static GdkPixbuf *
 349 pdf_document_render_pixbuf (EvDocument   *document,
 350                             EvRenderContext *rc)
 351 {
 352         PdfDocument *pdf_document;
 353         PopplerPage *poppler_page;
 354         GdkPixbuf *pixbuf;
 355         double width_points, height_points;
 356         gint width, height;
 357
 358         pdf_document = PDF_DOCUMENT (document);
 359         poppler_page = poppler_document_get_page (pdf_document->document,
 360                                                   rc->page);
 361         set_page_orientation (pdf_document, poppler_page, rc->orientation);
 362
 363         poppler_page_get_size (poppler_page, &width_points, &height_points);
 364         width = (int) ((width_points * rc->scale) + 0.5);
 365         height = (int) ((height_points * rc->scale) + 0.5);
 366
 367         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
 368                                  FALSE, 8,
 369                                  width, height);
 370
 371         poppler_page_render_to_pixbuf (poppler_page,
 372                                        0, 0,
 373                                        width, height,
 374                                        rc->scale,
 375                                        pixbuf);
 376
 377         g_object_unref (poppler_page);
 378
 379         return pixbuf;
 380 }
 381
 382 /* EvDocumentSecurity */
 383
 384 static gboolean
 385 pdf_document_has_document_security (EvDocumentSecurity *document_security)
 386 {
 387         /* FIXME: do we really need to have this? */
 388         return FALSE;
 389 }
 390
 391 static void
 392 pdf_document_set_password (EvDocumentSecurity *document_security,
 393                            const char         *password)
 394 {
 395         PdfDocument *document = PDF_DOCUMENT (document_security);
 396
 397         if (document->password)
 398                 g_free (document->password);
 399
 400         document->password = g_strdup (password);
 401 }
 402
 403 static gboolean
 404 pdf_document_can_get_text (EvDocument *document)
 405 {
 406         return TRUE;
 407 }
 408
 409 static EvDocumentInfo *
 410 pdf_document_get_info (EvDocument *document)
 411 {
 412         EvDocumentInfo *info;
 413         PopplerPageLayout layout;
 414         PopplerPageMode mode;
 415         PopplerViewerPreferences view_prefs;
 416         PopplerPermissions permissions;
 417
 418         info = g_new0 (EvDocumentInfo, 1);
 419
 420         info->fields_mask = EV_DOCUMENT_INFO_TITLE |
 421                             EV_DOCUMENT_INFO_FORMAT |
 422                             EV_DOCUMENT_INFO_AUTHOR |
 423                             EV_DOCUMENT_INFO_SUBJECT |
 424                             EV_DOCUMENT_INFO_KEYWORDS |
 425                             EV_DOCUMENT_INFO_LAYOUT |
 426                             EV_DOCUMENT_INFO_START_MODE |
 427                             EV_DOCUMENT_INFO_PERMISSIONS |
 428                             EV_DOCUMENT_INFO_UI_HINTS |
 429                             EV_DOCUMENT_INFO_CREATOR |
 430                             EV_DOCUMENT_INFO_PRODUCER |
 431                             EV_DOCUMENT_INFO_CREATION_DATE |
 432                             EV_DOCUMENT_INFO_MOD_DATE |
 433                             EV_DOCUMENT_INFO_LINEARIZED |
 434                             EV_DOCUMENT_INFO_N_PAGES |
 435                             EV_DOCUMENT_INFO_SECURITY;
 436
 437
 438         g_object_get (PDF_DOCUMENT (document)->document,
 439                       "title", &(info->title),
 440                       "format", &(info->format),
 441                       "author", &(info->author),
 442                       "subject", &(info->subject),
 443                       "keywords", &(info->keywords),
 444                       "page-mode", &mode,
 445                       "page-layout", &layout,
 446                       "viewer-preferences", &view_prefs,
 447                       "permissions", &permissions,
 448                       "creator", &(info->creator),
 449                       "producer", &(info->producer),
 450                       "creation-date", &(info->creation_date),
 451                       "mod-date", &(info->modified_date),
 452                       "linearized", &(info->linearized),
 453                       NULL);
 454
 455         switch (layout) {
 456                 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
 457                         info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
 458                         break;
 459                 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
 460                         info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
 461                         break;
 462                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
 463                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
 464                         break;
 465                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
 466                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
 467                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
 468                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
 469                         break;
 470                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
 471                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
 472                         break;
 473                 default:
 474                         break;
 475         }
 476
 477         switch (mode) {
 478                 case POPPLER_PAGE_MODE_NONE:
 479                         info->mode = EV_DOCUMENT_MODE_NONE;
 480                         break;
 481                 case POPPLER_PAGE_MODE_USE_THUMBS:
 482                         info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
 483                         break;
 484                 case POPPLER_PAGE_MODE_USE_OC:
 485                         info->mode = EV_DOCUMENT_MODE_USE_OC;
 486                         break;
 487                 case POPPLER_PAGE_MODE_FULL_SCREEN:
 488                         info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
 489                         break;
 490                 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
 491                         info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
 492                 default:
 493                         break;
 494         }
 495
 496         info->ui_hints = 0;
 497         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
 498                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
 499         }
 500         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
 501                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
 502         }
 503         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
 504                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
 505         }
 506         if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
 507                 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
 508         }
 509         if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
 510                 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
 511         }
 512         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
 513                 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
 514         }
 515         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
 516                 info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
 517         }
 518
 519         info->permissions = 0;
 520         if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
 521                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
 522         }
 523         if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
 524                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
 525         }
 526         if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
 527                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
 528         }
 529         if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
 530                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
 531         }
 532
 533         info->n_pages = ev_document_get_n_pages (document);
 534
 535         if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
 536                 /* translators: this is the document security state */
 537                 info->security = g_strdup (_("Yes"));
 538         } else {
 539                 /* translators: this is the document security state */
 540                 info->security = g_strdup (_("No"));
 541         }
 542
 543         return info;
 544 }
 545
 546 static char *
 547 pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect)
 548 {
 549         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 550         PopplerPage *poppler_page;
 551         PopplerRectangle r;
 552         double height;
 553         char *text;
 554
 555         poppler_page = poppler_document_get_page (pdf_document->document, page);
 556         g_return_val_if_fail (poppler_page != NULL, NULL);
 557
 558         poppler_page_get_size (poppler_page, NULL, &height);
 559         r.x1 = rect->x1;
 560         r.y1 = height - rect->y2;
 561         r.x2 = rect->x2;
 562         r.y2 = height - rect->y1;
 563
 564         text = poppler_page_get_text (poppler_page, &r);
 565
 566         g_object_unref (poppler_page);
 567
 568         return text;
 569 }
 570
 571 static EvOrientation
 572 pdf_document_get_orientation (EvDocument *document)
 573 {
 574         EvOrientation result;
 575         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 576
 577         switch (get_document_orientation (pdf_document)) {
 578         case POPPLER_ORIENTATION_PORTRAIT:
 579                 result = EV_ORIENTATION_PORTRAIT;
 580                 break;
 581         case POPPLER_ORIENTATION_LANDSCAPE:
 582                 result = EV_ORIENTATION_LANDSCAPE;
 583                 break;
 584         case POPPLER_ORIENTATION_UPSIDEDOWN:
 585                 result = EV_ORIENTATION_UPSIDEDOWN;
 586                 break;
 587         case POPPLER_ORIENTATION_SEASCAPE:
 588                 result = EV_ORIENTATION_SEASCAPE;
 589                 break;
 590         default:
 591                 g_assert_not_reached ();
 592         }
 593
 594         return result;
 595 }
 596
 597 static void
 598 pdf_document_document_iface_init (EvDocumentIface *iface)
 599 {
 600         iface->save = pdf_document_save;
 601         iface->load = pdf_document_load;
 602         iface->get_n_pages = pdf_document_get_n_pages;
 603         iface->get_page_size = pdf_document_get_page_size;
 604         iface->get_page_label = pdf_document_get_page_label;
 605         iface->get_links = pdf_document_get_links;
 606         iface->render_pixbuf = pdf_document_render_pixbuf;
 607         iface->get_text = pdf_document_get_text;
 608         iface->can_get_text = pdf_document_can_get_text;
 609         iface->get_info = pdf_document_get_info;
 610         iface->get_orientation = pdf_document_get_orientation;
 611 };
 612
 613 static void
 614 pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
 615 {
 616         iface->has_document_security = pdf_document_has_document_security;
 617         iface->set_password = pdf_document_set_password;
 618 }
 619
 620 static gdouble
 621 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
 622 {
 623         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 624         int n_pages;
 625
 626         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 627
 628         return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
 629 }
 630
 631 static gboolean
 632 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
 633                          int              n_pages)
 634 {
 635         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 636         gboolean result;
 637
 638         g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
 639
 640         if (pdf_document->font_info == NULL) {
 641                 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
 642         }
 643
 644         if (pdf_document->fonts_iter) {
 645                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 646         }
 647
 648         pdf_document->fonts_scanned_pages += n_pages;
 649
 650         result = poppler_font_info_scan (pdf_document->font_info, n_pages,
 651                                          &pdf_document->fonts_iter);
 652         if (!result) {
 653                 pdf_document->fonts_scanned_pages = 0;
 654                 poppler_font_info_free (pdf_document->font_info);
 655                 pdf_document->font_info = NULL;
 656         }
 657
 658         return result;
 659 }
 660
 661 static const char *
 662 font_type_to_string (PopplerFontType type)
 663 {
 664         switch (type)
 665         {
 666         case POPPLER_FONT_TYPE_TYPE1:
 667                 return _("Type 1");
 668         case POPPLER_FONT_TYPE_TYPE1C:
 669                 return _("Type 1C");
 670         case POPPLER_FONT_TYPE_TYPE3:
 671                 return _("Type 3");
 672         case POPPLER_FONT_TYPE_TRUETYPE:
 673                 return _("TrueType");
 674         case POPPLER_FONT_TYPE_CID_TYPE0:
 675                 return _("Type 1 (CID)");
 676         case POPPLER_FONT_TYPE_CID_TYPE0C:
 677                 return _("Type 1C (CID)");
 678         case POPPLER_FONT_TYPE_CID_TYPE2:
 679                 return _("TrueType (CID)");
 680         default:
 681                 return _("Unknown font type");
 682         }
 683 }
 684
 685 static void
 686 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
 687                                GtkTreeModel    *model)
 688 {
 689         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 690         PopplerFontsIter *iter = pdf_document->fonts_iter;
 691
 692         g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
 693
 694         if (!iter)
 695                 return;
 696
 697         do {
 698                 GtkTreeIter list_iter;
 699                 const char *name;
 700                 const char *type;
 701                 const char *embedded;
 702                 char *details;
 703
 704                 name = poppler_fonts_iter_get_name (iter);
 705
 706                 if (name == NULL) {
 707                         name = _("No name");
 708                 }
 709
 710                 type = font_type_to_string (
 711                         poppler_fonts_iter_get_font_type (iter));
 712
 713                 if (poppler_fonts_iter_is_embedded (iter)) {
 714                         if (poppler_fonts_iter_is_subset (iter))
 715                                 embedded = _("Embedded subset");
 716                         else
 717                                 embedded = _("Embedded");
 718                 } else {
 719                         embedded = _("Not embedded");
 720                 }
 721
 722                 details = g_markup_printf_escaped ("%s\n%s", type, embedded);
 723
 724                 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
 725                 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
 726                                     EV_DOCUMENT_FONTS_COLUMN_NAME, name,
 727                                     EV_DOCUMENT_FONTS_COLUMN_DETAILS, details,
 728                                     -1);
 729
 730                 g_free (details);
 731         } while (poppler_fonts_iter_next (iter));
 732 }
 733
 734 static void
 735 pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface)
 736 {
 737         iface->fill_model = pdf_document_fonts_fill_model;
 738         iface->scan = pdf_document_fonts_scan;
 739         iface->get_progress = pdf_document_fonts_get_progress;
 740 }
 741
 742 static gboolean
 743 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
 744 {
 745         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
 746         PopplerIndexIter *iter;
 747
 748         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
 749
 750         iter = poppler_index_iter_new (pdf_document->document);
 751         if (iter == NULL)
 752                 return FALSE;
 753         poppler_index_iter_free (iter);
 754
 755         return TRUE;
 756 }
 757
 758 static EvLink *
 759 ev_link_from_action (PopplerAction *action)
 760 {
 761         EvLink *link;
 762         const char *title;
 763
 764         title = action->any.title;
 765
 766         if (action->type == POPPLER_ACTION_GOTO_DEST) {
 767                 link = ev_link_new_page (title, action->goto_dest.dest->page_num - 1);
 768         } else if (action->type == POPPLER_ACTION_URI) {
 769                 link = ev_link_new_external (title, action->uri.uri);
 770         } else {
 771                 link = ev_link_new_title (title);
 772         }
 773
 774         return link;
 775 }
 776
 777 static void
 778 build_tree (PdfDocument      *pdf_document,
 779             GtkTreeModel     *model,
 780             GtkTreeIter      *parent,
 781             PopplerIndexIter *iter)
 782 {
 783
 784         do {
 785                 GtkTreeIter tree_iter;
 786                 PopplerIndexIter *child;
 787                 PopplerAction *action;
 788                 EvLink *link;
 789                 gboolean expand;
 790
 791                 action = poppler_index_iter_get_action (iter);
 792                 expand = poppler_index_iter_is_open (iter);
 793                 if (action) {
 794                         gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
 795                         link = ev_link_from_action (action);
 796                         poppler_action_free (action);
 797
 798                         gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
 799                                             EV_DOCUMENT_LINKS_COLUMN_MARKUP, ev_link_get_title (link),
 800                                             EV_DOCUMENT_LINKS_COLUMN_LINK, link,
 801                                             EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
 802                                             -1);
 803                         g_object_unref (link);
 804                         child = poppler_index_iter_get_child (iter);
 805                         if (child)
 806                                 build_tree (pdf_document, model, &tree_iter, child);
 807                         poppler_index_iter_free (child);
 808                 }
 809         } while (poppler_index_iter_next (iter));
 810 }
 811
 812
 813 static GtkTreeModel *
 814 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
 815 {
 816         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
 817         GtkTreeModel *model = NULL;
 818         PopplerIndexIter *iter;
 819
 820         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
 821
 822         iter = poppler_index_iter_new (pdf_document->document);
 823         /* Create the model if we have items*/
 824         if (iter != NULL) {
 825                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
 826                                                              G_TYPE_STRING,
 827                                                              G_TYPE_OBJECT,
 828                                                              G_TYPE_BOOLEAN);
 829                 build_tree (pdf_document, model, NULL, iter);
 830                 poppler_index_iter_free (iter);
 831         }
 832
 833         return model;
 834 }
 835
 836 static void
 837 pdf_document_document_links_iface_init (EvDocumentLinksIface *iface)
 838 {
 839         iface->has_document_links = pdf_document_links_has_document_links;
 840         iface->get_links_model = pdf_document_links_get_links_model;
 841 }
 842
 843 static GdkPixbuf *
 844 make_thumbnail_for_size (PdfDocument   *pdf_document,
 845                          gint           page,
 846                          EvOrientation  orientation,
 847                          gint           size,
 848                          gboolean       border)
 849 {
 850         PopplerPage *poppler_page;
 851         GdkPixbuf *pixbuf, *sub_pixbuf;
 852         int width, height;
 853         double scale;
 854         gdouble unscaled_width, unscaled_height;
 855
 856         poppler_page = poppler_document_get_page (pdf_document->document, page);
 857         set_page_orientation (pdf_document, poppler_page, orientation);
 858         g_return_val_if_fail (poppler_page != NULL, NULL);
 859
 860         pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), page,
 861                                                 size, &width, &height);
 862         poppler_page_get_size (poppler_page, &unscaled_width, &unscaled_height);
 863         scale = width / unscaled_width;
 864
 865         if (border) {
 866                 pixbuf = ev_document_misc_get_thumbnail_frame (width, height, NULL);
 867
 868                 sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
 869                                                        1, 1,
 870                                                        width - 1, height - 1);
 871         } else {
 872                 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 873                                          width, height);
 874                 gdk_pixbuf_fill (pixbuf, 0xffffffff);
 875                 sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
 876                                                        0, 0,
 877                                                        width, height);
 878         }
 879
 880         poppler_page_render_to_pixbuf (poppler_page, 0, 0,
 881                                        width, height,
 882                                        scale, sub_pixbuf);
 883
 884         g_object_unref (G_OBJECT (sub_pixbuf));
 885
 886         g_object_unref (poppler_page);
 887         return pixbuf;
 888 }
 889
 890 static GdkPixbuf *
 891 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
 892                                        gint                  page,
 893                                        EvOrientation         orientation,
 894                                        gint                  size,
 895                                        gboolean              border)
 896 {
 897         PdfDocument *pdf_document;
 898         PopplerPage *poppler_page;
 899         GdkPixbuf *pixbuf;
 900
 901         pdf_document = PDF_DOCUMENT (document_thumbnails);
 902
 903         poppler_page = poppler_document_get_page (pdf_document->document, page);
 904         set_page_orientation (pdf_document, poppler_page, orientation);
 905         g_return_val_if_fail (poppler_page != NULL, NULL);
 906
 907         pixbuf = poppler_page_get_thumbnail (poppler_page);
 908
 909         if (pixbuf != NULL) {
 910                 /* The document provides its own thumbnails. */
 911                 if (border) {
 912                         GdkPixbuf *real_pixbuf;
 913
 914                         real_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
 915                         g_object_unref (pixbuf);
 916                         pixbuf = real_pixbuf;
 917                 }
 918         } else {
 919                 /* There is no provided thumbnail.  We need to make one. */
 920                 pixbuf = make_thumbnail_for_size (pdf_document, page, orientation, size, border);
 921         }
 922
 923         g_object_unref (poppler_page);
 924
 925         return pixbuf;
 926 }
 927
 928 static void
 929 pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
 930                                         gint                  page,
 931                                         gint                  size,
 932                                         gint                 *width,
 933                                         gint                 *height)
 934 {
 935         PdfDocument *pdf_document;
 936         PopplerPage *poppler_page;
 937         gint has_thumb;
 938
 939         pdf_document = PDF_DOCUMENT (document_thumbnails);
 940         poppler_page = poppler_document_get_page (pdf_document->document, page);
 941
 942         g_return_if_fail (width != NULL);
 943         g_return_if_fail (height != NULL);
 944         g_return_if_fail (poppler_page != NULL);
 945
 946         has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
 947
 948         if (!has_thumb) {
 949                 double page_width, page_height;
 950
 951                 poppler_page_get_size (poppler_page, &page_width, &page_height);
 952                 if (page_width > page_height) {
 953                         *width = size;
 954                         *height = (int) (size * page_height / page_width);
 955                 } else {
 956                         *width = (int) (size * page_width / page_height);
 957                         *height = size;
 958                 }
 959         }
 960         g_object_unref (poppler_page);
 961 }
 962
 963 static void
 964 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
 965 {
 966         iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
 967         iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
 968 }
 969
 970
 971 static gboolean
 972 pdf_document_search_idle_callback (void *data)
 973 {
 974         PdfDocumentSearch *search = (PdfDocumentSearch*) data;
 975         PdfDocument *pdf_document = search->document;
 976         int n_pages;
 977         GList *matches;
 978         PopplerPage *page;
 979
 980         page = poppler_document_get_page (search->document->document,
 981                                           search->search_page);
 982
 983         ev_document_doc_mutex_lock ();
 984         matches = poppler_page_find_text (page, search->text);
 985         ev_document_doc_mutex_unlock ();
 986
 987         g_object_unref (page);
 988
 989         search->pages[search->search_page] = matches;
 990         ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
 991                                   search->search_page);
 992
 993         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
 994         search->search_page += 1;
 995         if (search->search_page == n_pages) {
 996                 /* wrap around */
 997                 search->search_page = 0;
 998         }
 999
1000         if (search->search_page != search->start_page) {
1001                 return TRUE;
1002         }
1003
1004         /* We're done. */
1005         search->idle = 0; /* will return FALSE to remove */
1006         return FALSE;
1007 }
1008
1009
1010 static PdfDocumentSearch *
1011 pdf_document_search_new (PdfDocument *pdf_document,
1012                          int          start_page,
1013                          const char  *text)
1014 {
1015         PdfDocumentSearch *search;
1016         int n_pages;
1017         int i;
1018
1019         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
1020
1021         search = g_new0 (PdfDocumentSearch, 1);
1022
1023         search->text = g_strdup (text);
1024         search->pages = g_new0 (GList *, n_pages);
1025         for (i = 0; i < n_pages; i++) {
1026                 search->pages[i] = NULL;
1027         }
1028
1029         search->document = pdf_document;
1030
1031         /* We add at low priority so the progress bar repaints */
1032         search->idle = g_idle_add_full (G_PRIORITY_LOW,
1033                                         pdf_document_search_idle_callback,
1034                                         search,
1035                                         NULL);
1036
1037         search->start_page = start_page;
1038         search->search_page = start_page;
1039
1040         return search;
1041 }
1042
1043 static void
1044 pdf_document_find_begin (EvDocumentFind   *document,
1045                          int               page,
1046                          const char       *search_string,
1047                          gboolean          case_sensitive)
1048 {
1049         PdfDocument *pdf_document = PDF_DOCUMENT (document);
1050
1051         /* FIXME handle case_sensitive (right now XPDF
1052          * code is always case insensitive for ASCII
1053          * and case sensitive for all other languaages)
1054          */
1055
1056         if (pdf_document->search &&
1057             strcmp (search_string, pdf_document->search->text) == 0)
1058                 return;
1059
1060         if (pdf_document->search)
1061                 pdf_document_search_free (pdf_document->search);
1062
1063         pdf_document->search = pdf_document_search_new (pdf_document,
1064                                                         page,
1065                                                         search_string);
1066 }
1067
1068 int
1069 pdf_document_find_get_n_results (EvDocumentFind *document_find, int page)
1070 {
1071         PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
1072
1073         if (search) {
1074                 return g_list_length (search->pages[page]);
1075         } else {
1076                 return 0;
1077         }
1078 }
1079
1080 gboolean
1081 pdf_document_find_get_result (EvDocumentFind *document_find,
1082                               int             page,
1083                               int             n_result,
1084                               EvRectangle    *rectangle)
1085 {
1086         PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
1087         PdfDocumentSearch *search = pdf_document->search;
1088         PopplerPage *poppler_page;
1089         PopplerRectangle *r;
1090         double height;
1091
1092         if (search == NULL)
1093                 return FALSE;
1094
1095         r = (PopplerRectangle *) g_list_nth_data (search->pages[page],
1096                                                   n_result);
1097         if (r == NULL)
1098                 return FALSE;
1099
1100         poppler_page = poppler_document_get_page (pdf_document->document, page);
1101         poppler_page_get_size (poppler_page, NULL, &height);
1102         rectangle->x1 = r->x1;
1103         rectangle->y1 = height - r->y2;
1104         rectangle->x2 = r->x2;
1105         rectangle->y2 = height - r->y1;
1106         g_object_unref (poppler_page);
1107
1108         return TRUE;
1109 }
1110
1111 int
1112 pdf_document_find_page_has_results (EvDocumentFind *document_find,
1113                                     int             page)
1114 {
1115         PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
1116
1117         g_return_val_if_fail (search != NULL, FALSE);
1118
1119         return search->pages[page] != NULL;
1120 }
1121
1122 double
1123 pdf_document_find_get_progress (EvDocumentFind *document_find)
1124 {
1125         PdfDocumentSearch *search;
1126         int n_pages, pages_done;
1127
1128         search = PDF_DOCUMENT (document_find)->search;
1129
1130         if (search == NULL) {
1131                 return 0;
1132         }
1133
1134         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (document_find));
1135         if (search->search_page > search->start_page) {
1136                 pages_done = search->search_page - search->start_page + 1;
1137         } else if (search->search_page == search->start_page) {
1138                 pages_done = n_pages;
1139         } else {
1140                 pages_done = n_pages - search->start_page + search->search_page;
1141         }
1142
1143         return pages_done / (double) n_pages;
1144 }
1145
1146 static void
1147 pdf_document_find_cancel (EvDocumentFind *document)
1148 {
1149         PdfDocument *pdf_document = PDF_DOCUMENT (document);
1150
1151         if (pdf_document->search) {
1152                 pdf_document_search_free (pdf_document->search);
1153                 pdf_document->search = NULL;
1154         }
1155 }
1156
1157 static void
1158 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1159 {
1160         iface->begin = pdf_document_find_begin;
1161         iface->get_n_results = pdf_document_find_get_n_results;
1162         iface->get_result = pdf_document_find_get_result;
1163         iface->page_has_results = pdf_document_find_page_has_results;
1164         iface->get_progress = pdf_document_find_get_progress;
1165         iface->cancel = pdf_document_find_cancel;
1166 }
1167
1168 static void
1169 pdf_document_ps_exporter_begin (EvPSExporter *exporter, const char *filename,
1170                                 int first_page, int last_page,
1171                                 double width, double height, gboolean duplex)
1172 {
1173         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1174
1175         pdf_document->ps_file = poppler_ps_file_new (pdf_document->document, filename,
1176                                                      first_page,
1177                                                      last_page - first_page + 1);
1178         poppler_ps_file_set_paper_size (pdf_document->ps_file, width, height);
1179         poppler_ps_file_set_duplex (pdf_document->ps_file, duplex);
1180 }
1181
1182 static void
1183 pdf_document_ps_exporter_do_page (EvPSExporter *exporter, EvRenderContext *rc)
1184 {
1185         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1186         PopplerPage *poppler_page;
1187
1188         g_return_if_fail (pdf_document->ps_file != NULL);
1189
1190         poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
1191         set_page_orientation (pdf_document, poppler_page, rc->orientation);
1192         poppler_page_render_to_ps (poppler_page, pdf_document->ps_file);
1193         g_object_unref (poppler_page);
1194 }
1195
1196 static void
1197 pdf_document_ps_exporter_end (EvPSExporter *exporter)
1198 {
1199         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1200
1201         poppler_ps_file_free (pdf_document->ps_file);
1202         pdf_document->ps_file = NULL;
1203 }
1204
1205 static void
1206 pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface)
1207 {
1208         iface->begin = pdf_document_ps_exporter_begin;
1209         iface->do_page = pdf_document_ps_exporter_do_page;
1210         iface->end = pdf_document_ps_exporter_end;
1211 }
1212
1213
1214 void
1215 pdf_selection_render_selection (EvSelection      *selection,
1216                                 EvRenderContext  *rc,
1217                                 GdkPixbuf       **pixbuf,
1218                                 EvRectangle      *points,
1219                                 EvRectangle      *old_points)
1220 {
1221         PdfDocument *pdf_document;
1222         PopplerPage *poppler_page;
1223         double width_points, height_points;
1224         gint width, height;
1225
1226         pdf_document = PDF_DOCUMENT (selection);
1227         poppler_page = poppler_document_get_page (pdf_document->document,
1228                                                   rc->page);
1229         set_page_orientation (pdf_document, poppler_page, rc->orientation);
1230
1231         poppler_page_get_size (poppler_page, &width_points, &height_points);
1232         width = (int) ((width_points * rc->scale) + 0.5);
1233         height = (int) ((height_points * rc->scale) + 0.5);
1234
1235         if (*pixbuf == NULL) {
1236                 * pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
1237                                            TRUE, 8,
1238                                            width, height);
1239         }
1240
1241         poppler_page_render_selection (poppler_page,
1242                                        rc->scale, *pixbuf,
1243                                        (PopplerRectangle *)points,
1244                                        (PopplerRectangle *)old_points);
1245         g_object_unref (poppler_page);
1246
1247 }
1248
1249
1250 GdkRegion *
1251 pdf_selection_get_selection_region (EvSelection     *selection,
1252                                     EvRenderContext *rc,
1253                                     EvRectangle     *points)
1254 {
1255         PdfDocument *pdf_document;
1256         PopplerPage *poppler_page;
1257         GdkRegion *retval;
1258
1259         pdf_document = PDF_DOCUMENT (selection);
1260         poppler_page = poppler_document_get_page (pdf_document->document,
1261                                                   rc->page);
1262         set_page_orientation (pdf_document, poppler_page, rc->orientation);
1263
1264         retval = poppler_page_get_selection_region (poppler_page, rc->scale, (PopplerRectangle *) points);
1265         g_object_unref (poppler_page);
1266
1267         return retval;
1268 }
1269
1270 GdkRegion *
1271 pdf_selection_get_selection_map (EvSelection     *selection,
1272                                  EvRenderContext *rc)
1273 {
1274         PdfDocument *pdf_document;
1275         PopplerPage *poppler_page;
1276         PopplerRectangle points;
1277         GdkRegion *retval;
1278
1279         pdf_document = PDF_DOCUMENT (selection);
1280         poppler_page = poppler_document_get_page (pdf_document->document,
1281                                                   rc->page);
1282         set_page_orientation (pdf_document, poppler_page, rc->orientation);
1283
1284         points.x1 = 0.0;
1285         points.y1 = 0.0;
1286         poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
1287         retval = poppler_page_get_selection_region (poppler_page, 1.0, &points);
1288         g_object_unref (poppler_page);
1289
1290         return retval;
1291 }
1292
1293 static void
1294 pdf_selection_iface_init (EvSelectionIface *iface)
1295 {
1296         iface->render_selection = pdf_selection_render_selection;
1297         iface->get_selection_region = pdf_selection_get_selection_region;
1298         iface->get_selection_map = pdf_selection_get_selection_map;
1299 }
1300
1301 PdfDocument *
1302 pdf_document_new (void)
1303 {
1304         return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL));
1305 }