backend/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 "config.h"
  21
  22 #include <math.h>
  23 #include <string.h>
  24 #include <gtk/gtk.h>
  25 #include <poppler.h>
  26 #include <poppler-document.h>
  27 #include <poppler-page.h>
  28 #ifdef HAVE_CAIRO_PDF
  29 #include <cairo-pdf.h>
  30 #endif
  31 #ifdef HAVE_CAIRO_PS
  32 #include <cairo-ps.h>
  33 #endif
  34 #include <glib/gi18n.h>
  35
  36 #include "ev-poppler.h"
  37 #include "ev-file-exporter.h"
  38 #include "ev-document-find.h"
  39 #include "ev-document-misc.h"
  40 #include "ev-document-links.h"
  41 #include "ev-document-images.h"
  42 #include "ev-document-fonts.h"
  43 #include "ev-document-security.h"
  44 #include "ev-document-thumbnails.h"
  45 #include "ev-document-transition.h"
  46 #include "ev-document-forms.h"
  47 #include "ev-selection.h"
  48 #include "ev-transition-effect.h"
  49 #include "ev-attachment.h"
  50 #include "ev-image.h"
  51
  52 #if (defined (HAVE_POPPLER_PAGE_RENDER)) && (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
  53 #define HAVE_CAIRO_PRINT
  54 #endif
  55
  56 typedef struct {
  57         PdfDocument *document;
  58         char *text;
  59         GList **pages;
  60         guint idle;
  61         int start_page;
  62         int search_page;
  63 } PdfDocumentSearch;
  64
  65 typedef struct {
  66         EvFileExporterFormat format;
  67
  68         /* Pages per sheet */
  69         gint pages_per_sheet;
  70         gint pages_printed;
  71         gint pages_x;
  72         gint pages_y;
  73         gdouble paper_width;
  74         gdouble paper_height;
  75
  76 #ifdef HAVE_CAIRO_PRINT
  77         cairo_t *cr;
  78 #else
  79         PopplerPSFile *ps_file;
  80 #endif
  81 } PdfPrintContext;
  82
  83 struct _PdfDocumentClass
  84 {
  85         GObjectClass parent_class;
  86 };
  87
  88 struct _PdfDocument
  89 {
  90         GObject parent_instance;
  91
  92         PopplerDocument *document;
  93         gchar *password;
  94
  95         PopplerFontInfo *font_info;
  96         PopplerFontsIter *fonts_iter;
  97         int fonts_scanned_pages;
  98
  99         PdfDocumentSearch *search;
 100         PdfPrintContext *print_ctx;
 101 };
 102
 103 static void pdf_document_document_iface_init            (EvDocumentIface           *iface);
 104 static void pdf_document_security_iface_init            (EvDocumentSecurityIface   *iface);
 105 static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
 106 static void pdf_document_document_links_iface_init      (EvDocumentLinksIface      *iface);
 107 static void pdf_document_document_images_iface_init     (EvDocumentImagesIface     *iface);
 108 static void pdf_document_document_forms_iface_init      (EvDocumentFormsIface      *iface);
 109 static void pdf_document_document_fonts_iface_init      (EvDocumentFontsIface      *iface);
 110 static void pdf_document_find_iface_init                (EvDocumentFindIface       *iface);
 111 static void pdf_document_file_exporter_iface_init       (EvFileExporterIface       *iface);
 112 static void pdf_selection_iface_init                    (EvSelectionIface          *iface);
 113 static void pdf_document_page_transition_iface_init     (EvDocumentTransitionIface *iface);
 114 static void pdf_document_thumbnails_get_dimensions      (EvDocumentThumbnails      *document_thumbnails,
 115                                                          EvRenderContext           *rc,
 116                                                          gint                      *width,
 117                                                          gint                      *height);
 118 static int  pdf_document_get_n_pages                    (EvDocument                *document);
 119
 120 static EvLinkDest *ev_link_dest_from_dest   (PdfDocument       *pdf_document,
 121                                              PopplerDest       *dest);
 122 static EvLink     *ev_link_from_action      (PdfDocument       *pdf_document,
 123                                              PopplerAction     *action);
 124 static void        pdf_document_search_free (PdfDocumentSearch *search);
 125 static void        pdf_print_context_free   (PdfPrintContext   *ctx);
 126
 127 EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
 128                          {
 129                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
 130                                                                  pdf_document_security_iface_init);
 131                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 132                                                                  pdf_document_document_thumbnails_iface_init);
 133                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
 134                                                                  pdf_document_document_links_iface_init);
 135                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
 136                                                                  pdf_document_document_images_iface_init);
 137                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS,
 138                                                                  pdf_document_document_forms_iface_init);
 139                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
 140                                                                  pdf_document_document_fonts_iface_init);
 141                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
 142                                                                  pdf_document_find_iface_init);
 143                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
 144                                                                  pdf_document_file_exporter_iface_init);
 145                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
 146                                                                  pdf_selection_iface_init);
 147                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
 148                                                                  pdf_document_page_transition_iface_init);
 149                          });
 150
 151 static void
 152 pdf_document_search_free (PdfDocumentSearch   *search)
 153 {
 154         PdfDocument *pdf_document = search->document;
 155         int n_pages;
 156         int i;
 157
 158         if (search->idle != 0)
 159                 g_source_remove (search->idle);
 160
 161         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 162         for (i = 0; i < n_pages; i++) {
 163                 g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
 164                 g_list_free (search->pages[i]);
 165         }
 166         g_free (search->pages);
 167
 168         g_free (search->text);
 169         g_free (search);
 170 }
 171
 172 static void
 173 pdf_document_dispose (GObject *object)
 174 {
 175         PdfDocument *pdf_document = PDF_DOCUMENT(object);
 176
 177         if (pdf_document->print_ctx) {
 178                 pdf_print_context_free (pdf_document->print_ctx);
 179                 pdf_document->print_ctx = NULL;
 180         }
 181
 182         if (pdf_document->search) {
 183                 pdf_document_search_free (pdf_document->search);
 184                 pdf_document->search = NULL;
 185         }
 186
 187         if (pdf_document->document) {
 188                 g_object_unref (pdf_document->document);
 189         }
 190
 191         if (pdf_document->font_info) {
 192                 poppler_font_info_free (pdf_document->font_info);
 193         }
 194
 195         if (pdf_document->fonts_iter) {
 196                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 197         }
 198
 199         G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
 200 }
 201
 202 static void
 203 pdf_document_class_init (PdfDocumentClass *klass)
 204 {
 205         GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
 206
 207         g_object_class->dispose = pdf_document_dispose;
 208 }
 209
 210 static void
 211 pdf_document_init (PdfDocument *pdf_document)
 212 {
 213         pdf_document->password = NULL;
 214 }
 215
 216 static void
 217 convert_error (GError  *poppler_error,
 218                GError **error)
 219 {
 220         if (poppler_error == NULL)
 221                 return;
 222
 223         if (poppler_error->domain == POPPLER_ERROR) {
 224                 /* convert poppler errors into EvDocument errors */
 225                 gint code = EV_DOCUMENT_ERROR_INVALID;
 226                 if (poppler_error->code == POPPLER_ERROR_INVALID)
 227                         code = EV_DOCUMENT_ERROR_INVALID;
 228                 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
 229                         code = EV_DOCUMENT_ERROR_ENCRYPTED;
 230
 231
 232                 g_set_error (error,
 233                              EV_DOCUMENT_ERROR,
 234                              code,
 235                              poppler_error->message,
 236                              NULL);
 237         } else {
 238                 g_propagate_error (error, poppler_error);
 239         }
 240 }
 241
 242
 243 /* EvDocument */
 244 static gboolean
 245 pdf_document_save (EvDocument  *document,
 246                    const char  *uri,
 247                    GError     **error)
 248 {
 249         gboolean retval;
 250         GError *poppler_error = NULL;
 251
 252         retval = poppler_document_save (PDF_DOCUMENT (document)->document,
 253                                         uri,
 254                                         &poppler_error);
 255         if (! retval)
 256                 convert_error (poppler_error, error);
 257
 258         return retval;
 259 }
 260
 261 static gboolean
 262 pdf_document_load (EvDocument   *document,
 263                    const char   *uri,
 264                    GError      **error)
 265 {
 266         GError *poppler_error = NULL;
 267         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 268
 269         pdf_document->document =
 270                 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
 271
 272         if (pdf_document->document == NULL) {
 273                 convert_error (poppler_error, error);
 274                 return FALSE;
 275         }
 276
 277         return TRUE;
 278 }
 279
 280 static int
 281 pdf_document_get_n_pages (EvDocument *document)
 282 {
 283         return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 284 }
 285
 286 static EvPage *
 287 pdf_document_get_page (EvDocument *document,
 288                        gint        index)
 289 {
 290         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 291         PopplerPage *poppler_page;
 292         EvPage      *page;
 293
 294         poppler_page = poppler_document_get_page (pdf_document->document, index);
 295         page = ev_page_new (index);
 296         page->backend_page = (EvBackendPage)g_object_ref (poppler_page);
 297         page->backend_destroy_func = (EvBackendPageDestroyFunc)g_object_unref;
 298         g_object_unref (poppler_page);
 299
 300         return page;
 301 }
 302
 303 static void
 304 pdf_document_get_page_size (EvDocument *document,
 305                             EvPage     *page,
 306                             double     *width,
 307                             double     *height)
 308 {
 309         g_return_if_fail (POPPLER_IS_PAGE (page->backend_page));
 310
 311         poppler_page_get_size (POPPLER_PAGE (page->backend_page), width, height);
 312 }
 313
 314 static char *
 315 pdf_document_get_page_label (EvDocument *document,
 316                              EvPage     *page)
 317 {
 318         char *label = NULL;
 319
 320         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
 321
 322         g_object_get (G_OBJECT (page->backend_page),
 323                       "label", &label,
 324                       NULL);
 325         return label;
 326 }
 327
 328 static gboolean
 329 pdf_document_has_attachments (EvDocument *document)
 330 {
 331         PdfDocument *pdf_document;
 332
 333         pdf_document = PDF_DOCUMENT (document);
 334
 335         return poppler_document_has_attachments (pdf_document->document);
 336 }
 337
 338 struct SaveToBufferData {
 339         gchar *buffer;
 340         gsize len, max;
 341 };
 342
 343 static gboolean
 344 attachment_save_to_buffer_callback (const gchar  *buf,
 345                                     gsize         count,
 346                                     gpointer      user_data,
 347                                     GError      **error)
 348 {
 349         struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
 350         gchar *new_buffer;
 351         gsize new_max;
 352
 353         if (sdata->len + count > sdata->max) {
 354                 new_max = MAX (sdata->max * 2, sdata->len + count);
 355                 new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
 356
 357                 sdata->buffer = new_buffer;
 358                 sdata->max = new_max;
 359         }
 360
 361         memcpy (sdata->buffer + sdata->len, buf, count);
 362         sdata->len += count;
 363
 364         return TRUE;
 365 }
 366
 367 static gboolean
 368 attachment_save_to_buffer (PopplerAttachment  *attachment,
 369                            gchar             **buffer,
 370                            gsize              *buffer_size,
 371                            GError            **error)
 372 {
 373         static const gint initial_max = 1024;
 374         struct SaveToBufferData sdata;
 375
 376         *buffer = NULL;
 377         *buffer_size = 0;
 378
 379         sdata.buffer = (gchar *) g_malloc (initial_max);
 380         sdata.max = initial_max;
 381         sdata.len = 0;
 382
 383         if (! poppler_attachment_save_to_callback (attachment,
 384                                                    attachment_save_to_buffer_callback,
 385                                                    &sdata,
 386                                                    error)) {
 387                 g_free (sdata.buffer);
 388                 return FALSE;
 389         }
 390
 391         *buffer = sdata.buffer;
 392         *buffer_size = sdata.len;
 393
 394         return TRUE;
 395 }
 396
 397 static GList *
 398 pdf_document_get_attachments (EvDocument *document)
 399 {
 400         PdfDocument *pdf_document;
 401         GList *attachments;
 402         GList *list;
 403         GList *retval = NULL;
 404
 405         pdf_document = PDF_DOCUMENT (document);
 406
 407         if (!pdf_document_has_attachments (document))
 408                 return NULL;
 409
 410         attachments = poppler_document_get_attachments (pdf_document->document);
 411
 412         for (list = attachments; list; list = list->next) {
 413                 PopplerAttachment *attachment;
 414                 EvAttachment *ev_attachment;
 415                 gchar *data = NULL;
 416                 gsize size;
 417                 GError *error = NULL;
 418
 419                 attachment = (PopplerAttachment *) list->data;
 420
 421                 if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
 422                         ev_attachment = ev_attachment_new (attachment->name,
 423                                                            attachment->description,
 424                                                            attachment->mtime,
 425                                                            attachment->ctime,
 426                                                            size, data);
 427
 428                         retval = g_list_prepend (retval, ev_attachment);
 429                 } else {
 430                         if (error) {
 431                                 g_warning ("%s", error->message);
 432                                 g_error_free (error);
 433
 434                                 g_free (data);
 435                         }
 436                 }
 437
 438                 g_object_unref (attachment);
 439         }
 440
 441         return g_list_reverse (retval);
 442 }
 443
 444 static cairo_surface_t *
 445 pdf_page_render (PopplerPage     *page,
 446                  gint             width,
 447                  gint             height,
 448                  EvRenderContext *rc)
 449 {
 450         cairo_surface_t *surface;
 451
 452 #ifdef HAVE_POPPLER_PAGE_RENDER
 453         cairo_t *cr;
 454
 455         surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
 456                                               width, height);
 457         memset (cairo_image_surface_get_data (surface), 0xff,
 458                 cairo_image_surface_get_height (surface) *
 459                 cairo_image_surface_get_stride (surface));
 460
 461         cr = cairo_create (surface);
 462         switch (rc->rotation) {
 463                 case 90:
 464                         cairo_translate (cr, width, 0);
 465                         break;
 466                 case 180:
 467                         cairo_translate (cr, width, height);
 468                         break;
 469                 case 270:
 470                         cairo_translate (cr, 0, height);
 471                         break;
 472                 default:
 473                         cairo_translate (cr, 0, 0);
 474         }
 475         cairo_scale (cr, rc->scale, rc->scale);
 476         cairo_rotate (cr, rc->rotation * G_PI / 180.0);
 477         poppler_page_render (page, cr);
 478         cairo_destroy (cr);
 479 #else /* HAVE_POPPLER_PAGE_RENDER */
 480         GdkPixbuf *pixbuf;
 481
 482         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
 483                                  FALSE, 8,
 484                                  width, height);
 485
 486         poppler_page_render_to_pixbuf (page,
 487                                        0, 0,
 488                                        width, height,
 489                                        rc->scale,
 490                                        rc->rotation,
 491                                        pixbuf);
 492         surface = ev_document_misc_surface_from_pixbuf (pixbuf);
 493         g_object_unref (pixbuf);
 494 #endif /* HAVE_POPPLER_PAGE_RENDER */
 495
 496         return surface;
 497 }
 498
 499 static cairo_surface_t *
 500 pdf_document_render (EvDocument      *document,
 501                      EvRenderContext *rc)
 502 {
 503         PdfDocument *pdf_document;
 504         PopplerPage *poppler_page;
 505         double width_points, height_points;
 506         gint width, height;
 507
 508         poppler_page = POPPLER_PAGE (rc->page->backend_page);
 509
 510         poppler_page_get_size (poppler_page,
 511                                &width_points, &height_points);
 512
 513         if (rc->rotation == 90 || rc->rotation == 270) {
 514                 width = (int) ((height_points * rc->scale) + 0.5);
 515                 height = (int) ((width_points * rc->scale) + 0.5);
 516         } else {
 517                 width = (int) ((width_points * rc->scale) + 0.5);
 518                 height = (int) ((height_points * rc->scale) + 0.5);
 519         }
 520
 521         return pdf_page_render (poppler_page,
 522                                 width, height, rc);
 523 }
 524
 525 /* EvDocumentSecurity */
 526
 527 static gboolean
 528 pdf_document_has_document_security (EvDocumentSecurity *document_security)
 529 {
 530         /* FIXME: do we really need to have this? */
 531         return FALSE;
 532 }
 533
 534 static void
 535 pdf_document_set_password (EvDocumentSecurity *document_security,
 536                            const char         *password)
 537 {
 538         PdfDocument *document = PDF_DOCUMENT (document_security);
 539
 540         if (document->password)
 541                 g_free (document->password);
 542
 543         document->password = g_strdup (password);
 544 }
 545
 546 static EvDocumentInfo *
 547 pdf_document_get_info (EvDocument *document)
 548 {
 549         EvDocumentInfo *info;
 550         PopplerPageLayout layout;
 551         PopplerPageMode mode;
 552         PopplerViewerPreferences view_prefs;
 553         PopplerPermissions permissions;
 554         EvPage *page;
 555
 556         info = g_new0 (EvDocumentInfo, 1);
 557
 558         info->fields_mask = EV_DOCUMENT_INFO_TITLE |
 559                             EV_DOCUMENT_INFO_FORMAT |
 560                             EV_DOCUMENT_INFO_AUTHOR |
 561                             EV_DOCUMENT_INFO_SUBJECT |
 562                             EV_DOCUMENT_INFO_KEYWORDS |
 563                             EV_DOCUMENT_INFO_LAYOUT |
 564                             EV_DOCUMENT_INFO_START_MODE |
 565                             EV_DOCUMENT_INFO_PERMISSIONS |
 566                             EV_DOCUMENT_INFO_UI_HINTS |
 567                             EV_DOCUMENT_INFO_CREATOR |
 568                             EV_DOCUMENT_INFO_PRODUCER |
 569                             EV_DOCUMENT_INFO_CREATION_DATE |
 570                             EV_DOCUMENT_INFO_MOD_DATE |
 571                             EV_DOCUMENT_INFO_LINEARIZED |
 572                             EV_DOCUMENT_INFO_N_PAGES |
 573                             EV_DOCUMENT_INFO_SECURITY |
 574                             EV_DOCUMENT_INFO_PAPER_SIZE;
 575
 576         g_object_get (PDF_DOCUMENT (document)->document,
 577                       "title", &(info->title),
 578                       "format", &(info->format),
 579                       "author", &(info->author),
 580                       "subject", &(info->subject),
 581                       "keywords", &(info->keywords),
 582                       "page-mode", &mode,
 583                       "page-layout", &layout,
 584                       "viewer-preferences", &view_prefs,
 585                       "permissions", &permissions,
 586                       "creator", &(info->creator),
 587                       "producer", &(info->producer),
 588                       "creation-date", &(info->creation_date),
 589                       "mod-date", &(info->modified_date),
 590                       "linearized", &(info->linearized),
 591                       NULL);
 592
 593         info->n_pages = ev_document_get_n_pages (document);
 594
 595         if (info->n_pages > 0) {
 596                 page = ev_document_get_page (document, 0);
 597                 ev_document_get_page_size (document, page,
 598                                            &(info->paper_width),
 599                                            &(info->paper_height));
 600                 g_object_unref (page);
 601
 602
 603                 // Convert to mm.
 604                 info->paper_width = info->paper_width / 72.0f * 25.4f;
 605                 info->paper_height = info->paper_height / 72.0f * 25.4f;
 606         }
 607
 608         switch (layout) {
 609                 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
 610                         info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
 611                         break;
 612                 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
 613                         info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
 614                         break;
 615                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
 616                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
 617                         break;
 618                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
 619                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
 620                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
 621                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
 622                         break;
 623                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
 624                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
 625                         break;
 626                 default:
 627                         break;
 628         }
 629
 630         switch (mode) {
 631                 case POPPLER_PAGE_MODE_NONE:
 632                         info->mode = EV_DOCUMENT_MODE_NONE;
 633                         break;
 634                 case POPPLER_PAGE_MODE_USE_THUMBS:
 635                         info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
 636                         break;
 637                 case POPPLER_PAGE_MODE_USE_OC:
 638                         info->mode = EV_DOCUMENT_MODE_USE_OC;
 639                         break;
 640                 case POPPLER_PAGE_MODE_FULL_SCREEN:
 641                         info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
 642                         break;
 643                 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
 644                         info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
 645                 default:
 646                         break;
 647         }
 648
 649         info->ui_hints = 0;
 650         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
 651                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
 652         }
 653         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
 654                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
 655         }
 656         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
 657                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
 658         }
 659         if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
 660                 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
 661         }
 662         if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
 663                 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
 664         }
 665         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
 666                 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
 667         }
 668         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
 669                 info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
 670         }
 671
 672         info->permissions = 0;
 673         if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
 674                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
 675         }
 676         if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
 677                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
 678         }
 679         if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
 680                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
 681         }
 682         if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
 683                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
 684         }
 685
 686         if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
 687                 /* translators: this is the document security state */
 688                 info->security = g_strdup (_("Yes"));
 689         } else {
 690                 /* translators: this is the document security state */
 691                 info->security = g_strdup (_("No"));
 692         }
 693
 694         return info;
 695 }
 696
 697 static void
 698 pdf_document_document_iface_init (EvDocumentIface *iface)
 699 {
 700         iface->save = pdf_document_save;
 701         iface->load = pdf_document_load;
 702         iface->get_n_pages = pdf_document_get_n_pages;
 703         iface->get_page = pdf_document_get_page;
 704         iface->get_page_size = pdf_document_get_page_size;
 705         iface->get_page_label = pdf_document_get_page_label;
 706         iface->has_attachments = pdf_document_has_attachments;
 707         iface->get_attachments = pdf_document_get_attachments;
 708         iface->render = pdf_document_render;
 709         iface->get_info = pdf_document_get_info;
 710 };
 711
 712 static void
 713 pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
 714 {
 715         iface->has_document_security = pdf_document_has_document_security;
 716         iface->set_password = pdf_document_set_password;
 717 }
 718
 719 static gdouble
 720 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
 721 {
 722         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 723         int n_pages;
 724
 725         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 726
 727         return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
 728 }
 729
 730 static gboolean
 731 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
 732                          int              n_pages)
 733 {
 734         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 735         gboolean result;
 736
 737         g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
 738
 739         if (pdf_document->font_info == NULL) {
 740                 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
 741         }
 742
 743         if (pdf_document->fonts_iter) {
 744                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 745         }
 746
 747         pdf_document->fonts_scanned_pages += n_pages;
 748
 749         result = poppler_font_info_scan (pdf_document->font_info, n_pages,
 750                                          &pdf_document->fonts_iter);
 751         if (!result) {
 752                 pdf_document->fonts_scanned_pages = 0;
 753                 poppler_font_info_free (pdf_document->font_info);
 754                 pdf_document->font_info = NULL;
 755         }
 756
 757         return result;
 758 }
 759
 760 static const char *
 761 font_type_to_string (PopplerFontType type)
 762 {
 763         switch (type) {
 764                 case POPPLER_FONT_TYPE_TYPE1:
 765                         return _("Type 1");
 766                 case POPPLER_FONT_TYPE_TYPE1C:
 767                         return _("Type 1C");
 768                 case POPPLER_FONT_TYPE_TYPE3:
 769                         return _("Type 3");
 770                 case POPPLER_FONT_TYPE_TRUETYPE:
 771                         return _("TrueType");
 772                 case POPPLER_FONT_TYPE_CID_TYPE0:
 773                         return _("Type 1 (CID)");
 774                 case POPPLER_FONT_TYPE_CID_TYPE0C:
 775                         return _("Type 1C (CID)");
 776                 case POPPLER_FONT_TYPE_CID_TYPE2:
 777                         return _("TrueType (CID)");
 778                 default:
 779                         return _("Unknown font type");
 780         }
 781 }
 782
 783 static void
 784 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
 785                                GtkTreeModel    *model)
 786 {
 787         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 788         PopplerFontsIter *iter = pdf_document->fonts_iter;
 789
 790         g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
 791
 792         if (!iter)
 793                 return;
 794
 795         do {
 796                 GtkTreeIter list_iter;
 797                 const char *name;
 798                 const char *type;
 799                 const char *embedded;
 800                 char *details;
 801
 802                 name = poppler_fonts_iter_get_name (iter);
 803
 804                 if (name == NULL) {
 805                         name = _("No name");
 806                 }
 807
 808                 type = font_type_to_string (
 809                         poppler_fonts_iter_get_font_type (iter));
 810
 811                 if (poppler_fonts_iter_is_embedded (iter)) {
 812                         if (poppler_fonts_iter_is_subset (iter))
 813                                 embedded = _("Embedded subset");
 814                         else
 815                                 embedded = _("Embedded");
 816                 } else {
 817                         embedded = _("Not embedded");
 818                 }
 819
 820                 details = g_markup_printf_escaped ("%s\n%s", type, embedded);
 821
 822                 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
 823                 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
 824                                     EV_DOCUMENT_FONTS_COLUMN_NAME, name,
 825                                     EV_DOCUMENT_FONTS_COLUMN_DETAILS, details,
 826                                     -1);
 827
 828                 g_free (details);
 829         } while (poppler_fonts_iter_next (iter));
 830 }
 831
 832 static void
 833 pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface)
 834 {
 835         iface->fill_model = pdf_document_fonts_fill_model;
 836         iface->scan = pdf_document_fonts_scan;
 837         iface->get_progress = pdf_document_fonts_get_progress;
 838 }
 839
 840 static gboolean
 841 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
 842 {
 843         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
 844         PopplerIndexIter *iter;
 845
 846         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
 847
 848         iter = poppler_index_iter_new (pdf_document->document);
 849         if (iter == NULL)
 850                 return FALSE;
 851         poppler_index_iter_free (iter);
 852
 853         return TRUE;
 854 }
 855
 856 static EvLinkDest *
 857 ev_link_dest_from_dest (PdfDocument *pdf_document,
 858                         PopplerDest *dest)
 859 {
 860         EvLinkDest *ev_dest = NULL;
 861         const char *unimplemented_dest = NULL;
 862
 863         g_assert (dest != NULL);
 864
 865         switch (dest->type) {
 866                 case POPPLER_DEST_XYZ: {
 867                         PopplerPage *poppler_page;
 868                         double height;
 869
 870                         poppler_page = poppler_document_get_page (pdf_document->document,
 871                                                                   MAX (0, dest->page_num - 1));
 872                         poppler_page_get_size (poppler_page, NULL, &height);
 873                         ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
 874                                                         dest->left,
 875                                                         height - dest->top,
 876                                                         dest->zoom,
 877                                                         dest->change_left,
 878                                                         dest->change_top,
 879                                                         dest->change_zoom);
 880                         g_object_unref (poppler_page);
 881                 }
 882                         break;
 883                 case POPPLER_DEST_FIT:
 884                         ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
 885                         break;
 886                 case POPPLER_DEST_FITH: {
 887                         PopplerPage *poppler_page;
 888                         double height;
 889
 890                         poppler_page = poppler_document_get_page (pdf_document->document,
 891                                                                   MAX (0, dest->page_num - 1));
 892                         poppler_page_get_size (poppler_page, NULL, &height);
 893                         ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
 894                                                          height - dest->top,
 895                                                          dest->change_top);
 896                         g_object_unref (poppler_page);
 897                 }
 898                         break;
 899                 case POPPLER_DEST_FITV:
 900                         ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
 901                                                          dest->left,
 902                                                          dest->change_left);
 903                         break;
 904                 case POPPLER_DEST_FITR: {
 905                         PopplerPage *poppler_page;
 906                         double height;
 907
 908                         poppler_page = poppler_document_get_page (pdf_document->document,
 909                                                                   MAX (0, dest->page_num - 1));
 910                         poppler_page_get_size (poppler_page, NULL, &height);
 911                         ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
 912                                                          dest->left,
 913                                                          height - dest->bottom,
 914                                                          dest->right,
 915                                                          height - dest->top);
 916                         g_object_unref (poppler_page);
 917                 }
 918                         break;
 919                 case POPPLER_DEST_FITB:
 920                         unimplemented_dest = "POPPLER_DEST_FITB";
 921                         break;
 922                 case POPPLER_DEST_FITBH:
 923                         unimplemented_dest = "POPPLER_DEST_FITBH";
 924                         break;
 925                 case POPPLER_DEST_FITBV:
 926                         unimplemented_dest = "POPPLER_DEST_FITBV";
 927                         break;
 928                 case POPPLER_DEST_NAMED:
 929                         ev_dest = ev_link_dest_new_named (dest->named_dest);
 930                         break;
 931                 case POPPLER_DEST_UNKNOWN:
 932                         unimplemented_dest = "POPPLER_DEST_UNKNOWN";
 933                         break;
 934         }
 935
 936         if (unimplemented_dest) {
 937                 g_warning ("Unimplemented destination: %s, please post a "
 938                            "bug report in Evince bugzilla "
 939                            "(http://bugzilla.gnome.org) with a testcase.",
 940                            unimplemented_dest);
 941         }
 942
 943         if (!ev_dest)
 944                 ev_dest = ev_link_dest_new_page (dest->page_num - 1);
 945
 946         return ev_dest;
 947 }
 948
 949 static EvLink *
 950 ev_link_from_action (PdfDocument   *pdf_document,
 951                      PopplerAction *action)
 952 {
 953         EvLink       *link = NULL;
 954         EvLinkAction *ev_action = NULL;
 955         const char   *unimplemented_action = NULL;
 956
 957         switch (action->type) {
 958                 case POPPLER_ACTION_NONE:
 959                         break;
 960                 case POPPLER_ACTION_GOTO_DEST: {
 961                         EvLinkDest *dest;
 962
 963                         dest = ev_link_dest_from_dest (pdf_document, action->goto_dest.dest);
 964                         ev_action = ev_link_action_new_dest (dest);
 965                 }
 966                         break;
 967                 case POPPLER_ACTION_GOTO_REMOTE: {
 968                         EvLinkDest *dest;
 969
 970                         dest = ev_link_dest_from_dest (pdf_document, action->goto_remote.dest);
 971                         ev_action = ev_link_action_new_remote (dest,
 972                                                                action->goto_remote.file_name);
 973
 974                 }
 975                         break;
 976                 case POPPLER_ACTION_LAUNCH:
 977                         ev_action = ev_link_action_new_launch (action->launch.file_name,
 978                                                                action->launch.params);
 979                         break;
 980                 case POPPLER_ACTION_URI:
 981                         ev_action = ev_link_action_new_external_uri (action->uri.uri);
 982                         break;
 983                 case POPPLER_ACTION_NAMED:
 984                         ev_action = ev_link_action_new_named (action->named.named_dest);
 985                         break;
 986                 case POPPLER_ACTION_MOVIE:
 987                         unimplemented_action = "POPPLER_ACTION_MOVIE";
 988                         break;
 989                 case POPPLER_ACTION_UNKNOWN:
 990                         unimplemented_action = "POPPLER_ACTION_UNKNOWN";
 991         }
 992
 993         if (unimplemented_action) {
 994                 g_warning ("Unimplemented action: %s, please post a bug report "
 995                            "in Evince bugzilla (http://bugzilla.gnome.org) "
 996                            "with a testcase.", unimplemented_action);
 997         }
 998
 999         link = ev_link_new (action->any.title, ev_action);
1000
1001         return link;
1002 }
1003
1004 static void
1005 build_tree (PdfDocument      *pdf_document,
1006             GtkTreeModel     *model,
1007             GtkTreeIter      *parent,
1008             PopplerIndexIter *iter)
1009 {
1010
1011         do {
1012                 GtkTreeIter tree_iter;
1013                 PopplerIndexIter *child;
1014                 PopplerAction *action;
1015                 EvLink *link = NULL;
1016                 gboolean expand;
1017                 char *title_markup;
1018
1019                 action = poppler_index_iter_get_action (iter);
1020                 expand = poppler_index_iter_is_open (iter);
1021
1022                 if (!action)
1023                         continue;
1024
1025                 switch (action->type) {
1026                         case POPPLER_ACTION_GOTO_DEST: {
1027                                 /* For bookmarks, solve named destinations */
1028                                 if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
1029                                         PopplerDest *dest;
1030                                         EvLinkDest *ev_dest = NULL;
1031                                         EvLinkAction *ev_action;
1032
1033                                         dest = poppler_document_find_dest (pdf_document->document,
1034                                                                            action->goto_dest.dest->named_dest);
1035                                         if (!dest) {
1036                                                 link = ev_link_from_action (pdf_document, action);
1037                                                 break;
1038                                         }
1039
1040                                         ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1041                                         poppler_dest_free (dest);
1042
1043                                         ev_action = ev_link_action_new_dest (ev_dest);
1044                                         link = ev_link_new (action->any.title, ev_action);
1045                                 } else {
1046                                         link = ev_link_from_action (pdf_document, action);
1047                                 }
1048                         }
1049                                 break;
1050                         default:
1051                                 link = ev_link_from_action (pdf_document, action);
1052                                 break;
1053                 }
1054
1055                 if (!link || strlen (ev_link_get_title (link)) <= 0) {
1056                         poppler_action_free (action);
1057                         if (link)
1058                                 g_object_unref (link);
1059
1060                         continue;
1061                 }
1062
1063                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
1064                 title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
1065
1066                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
1067                                     EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
1068                                     EV_DOCUMENT_LINKS_COLUMN_LINK, link,
1069                                     EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
1070                                     -1);
1071
1072                 g_free (title_markup);
1073                 g_object_unref (link);
1074
1075                 child = poppler_index_iter_get_child (iter);
1076                 if (child)
1077                         build_tree (pdf_document, model, &tree_iter, child);
1078                 poppler_index_iter_free (child);
1079                 poppler_action_free (action);
1080
1081         } while (poppler_index_iter_next (iter));
1082 }
1083
1084 static GtkTreeModel *
1085 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
1086 {
1087         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
1088         GtkTreeModel *model = NULL;
1089         PopplerIndexIter *iter;
1090
1091         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
1092
1093         iter = poppler_index_iter_new (pdf_document->document);
1094         /* Create the model if we have items*/
1095         if (iter != NULL) {
1096                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
1097                                                              G_TYPE_STRING,
1098                                                              G_TYPE_OBJECT,
1099                                                              G_TYPE_BOOLEAN,
1100                                                              G_TYPE_STRING);
1101                 build_tree (pdf_document, model, NULL, iter);
1102                 poppler_index_iter_free (iter);
1103         }
1104
1105         return model;
1106 }
1107
1108 static GList *
1109 pdf_document_links_get_links (EvDocumentLinks *document_links,
1110                               gint             page)
1111 {
1112         PdfDocument *pdf_document;
1113         PopplerPage *poppler_page;
1114         GList *retval = NULL;
1115         GList *mapping_list;
1116         GList *list;
1117         double height;
1118
1119         pdf_document = PDF_DOCUMENT (document_links);
1120         poppler_page = poppler_document_get_page (pdf_document->document,
1121                                                   page);
1122         mapping_list = poppler_page_get_link_mapping (poppler_page);
1123         poppler_page_get_size (poppler_page, NULL, &height);
1124
1125         for (list = mapping_list; list; list = list->next) {
1126                 PopplerLinkMapping *link_mapping;
1127                 EvLinkMapping *ev_link_mapping;
1128
1129                 link_mapping = (PopplerLinkMapping *)list->data;
1130                 ev_link_mapping = g_new (EvLinkMapping, 1);
1131                 ev_link_mapping->link = ev_link_from_action (pdf_document,
1132                                                              link_mapping->action);
1133                 ev_link_mapping->x1 = link_mapping->area.x1;
1134                 ev_link_mapping->x2 = link_mapping->area.x2;
1135                 /* Invert this for X-style coordinates */
1136                 ev_link_mapping->y1 = height - link_mapping->area.y2;
1137                 ev_link_mapping->y2 = height - link_mapping->area.y1;
1138
1139                 retval = g_list_prepend (retval, ev_link_mapping);
1140         }
1141
1142         poppler_page_free_link_mapping (mapping_list);
1143         g_object_unref (poppler_page);
1144
1145         return g_list_reverse (retval);
1146 }
1147
1148 static EvLinkDest *
1149 pdf_document_links_find_link_dest (EvDocumentLinks  *document_links,
1150                                    const gchar      *link_name)
1151 {
1152         PdfDocument *pdf_document;
1153         PopplerDest *dest;
1154         EvLinkDest *ev_dest = NULL;
1155
1156         pdf_document = PDF_DOCUMENT (document_links);
1157         dest = poppler_document_find_dest (pdf_document->document,
1158                                            link_name);
1159         if (dest) {
1160                 ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1161                 poppler_dest_free (dest);
1162         }
1163
1164         return ev_dest;
1165 }
1166
1167 static void
1168 pdf_document_document_links_iface_init (EvDocumentLinksIface *iface)
1169 {
1170         iface->has_document_links = pdf_document_links_has_document_links;
1171         iface->get_links_model = pdf_document_links_get_links_model;
1172         iface->get_links = pdf_document_links_get_links;
1173         iface->find_link_dest = pdf_document_links_find_link_dest;
1174 }
1175
1176 static GList *
1177 pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
1178                                        gint              page)
1179 {
1180         GList *retval = NULL;
1181         PdfDocument *pdf_document;
1182         PopplerPage *poppler_page;
1183         GList *mapping_list;
1184         GList *list;
1185
1186         pdf_document = PDF_DOCUMENT (document_images);
1187         poppler_page = poppler_document_get_page (pdf_document->document, page);
1188         mapping_list = poppler_page_get_image_mapping (poppler_page);
1189
1190         for (list = mapping_list; list; list = list->next) {
1191                 PopplerImageMapping *image_mapping;
1192                 EvImageMapping *ev_image_mapping;
1193
1194                 image_mapping = (PopplerImageMapping *)list->data;
1195
1196                 ev_image_mapping = g_new (EvImageMapping, 1);
1197
1198                 ev_image_mapping->image = ev_image_new (page, image_mapping->image_id);
1199                 ev_image_mapping->x1 = image_mapping->area.x1;
1200                 ev_image_mapping->x2 = image_mapping->area.x2;
1201                 ev_image_mapping->y1 = image_mapping->area.y1;
1202                 ev_image_mapping->y2 = image_mapping->area.y2;
1203
1204                 retval = g_list_prepend (retval, ev_image_mapping);
1205         }
1206
1207         poppler_page_free_image_mapping (mapping_list);
1208         g_object_unref (poppler_page);
1209
1210         return g_list_reverse (retval);
1211 }
1212
1213 GdkPixbuf *
1214 pdf_document_images_get_image (EvDocumentImages *document_images,
1215                                EvImage          *image)
1216 {
1217         PdfDocument     *pdf_document;
1218         PopplerPage     *poppler_page;
1219         cairo_surface_t *surface;
1220         GdkPixbuf       *retval = NULL;
1221
1222         pdf_document = PDF_DOCUMENT (document_images);
1223         poppler_page = poppler_document_get_page (pdf_document->document,
1224                                                   ev_image_get_page (image));
1225
1226         surface = poppler_page_get_image (poppler_page, ev_image_get_id (image));
1227         if (surface) {
1228                 retval = ev_document_misc_pixbuf_from_surface (surface);
1229                 cairo_surface_destroy (surface);
1230         }
1231
1232         g_object_unref (poppler_page);
1233
1234         return retval;
1235 }
1236
1237 static void
1238 pdf_document_document_images_iface_init (EvDocumentImagesIface *iface)
1239 {
1240         iface->get_image_mapping = pdf_document_images_get_image_mapping;
1241         iface->get_image = pdf_document_images_get_image;
1242 }
1243
1244 static GdkPixbuf *
1245 make_thumbnail_for_page (PdfDocument     *pdf_document,
1246                          PopplerPage     *poppler_page,
1247                          EvRenderContext *rc)
1248 {
1249         GdkPixbuf *pixbuf;
1250         int width, height;
1251
1252         pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document),
1253                                                 rc, &width, &height);
1254 #ifdef POPPLER_WITH_GDK
1255         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
1256                                  width, height);
1257         gdk_pixbuf_fill (pixbuf, 0xffffffff);
1258
1259         ev_document_fc_mutex_lock ();
1260         poppler_page_render_to_pixbuf (poppler_page, 0, 0,
1261                                        width, height,
1262                                        rc->scale, rc->rotation, pixbuf);
1263         ev_document_fc_mutex_unlock ();
1264 #else
1265         cairo_surface_t *surface;
1266
1267         ev_document_fc_mutex_lock ();
1268         surface = pdf_page_render (poppler_page, width, height, rc);
1269         ev_document_fc_mutex_unlock ();
1270
1271         pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1272         cairo_surface_destroy (surface);
1273 #endif /* POPPLER_WITH_GDK */
1274
1275         return pixbuf;
1276 }
1277
1278 static GdkPixbuf *
1279 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
1280                                        EvRenderContext      *rc,
1281                                        gboolean              border)
1282 {
1283         PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails);
1284         PopplerPage *poppler_page;
1285         GdkPixbuf *pixbuf = NULL;
1286         GdkPixbuf *border_pixbuf;
1287
1288         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1289
1290 #ifdef POPPLER_WITH_GDK
1291         pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page);
1292 #else
1293         cairo_surface_t *surface;
1294
1295         surface = poppler_page_get_thumbnail (poppler_page);
1296         if (surface) {
1297                 pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1298                 cairo_surface_destroy (surface);
1299         }
1300 #endif /* POPPLER_WITH_GDK */
1301
1302         if (pixbuf) {
1303                 /* Rotate provided thumbnail if needed */
1304                 GdkPixbuf *rotated_pixbuf;
1305
1306                 rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
1307                                                            (GdkPixbufRotation) (360 - rc->rotation));
1308                 g_object_unref (pixbuf);
1309                 pixbuf = rotated_pixbuf;
1310         } else {
1311                 /* There is no provided thumbnail.  We need to make one. */
1312                 pixbuf = make_thumbnail_for_page (pdf_document, poppler_page, rc);
1313         }
1314
1315         if (border) {
1316                 border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
1317                 g_object_unref (pixbuf);
1318                 pixbuf = border_pixbuf;
1319         }
1320
1321         return pixbuf;
1322 }
1323
1324 static void
1325 pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
1326                                         EvRenderContext      *rc,
1327                                         gint                 *width,
1328                                         gint                 *height)
1329 {
1330         PopplerPage *poppler_page;
1331         gint has_thumb;
1332
1333         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1334
1335         has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
1336
1337         if (!has_thumb || *width <= 0 || *height <= 0) {
1338                 double page_width, page_height;
1339
1340                 poppler_page_get_size (poppler_page, &page_width, &page_height);
1341
1342                 *width = (gint) MAX (page_width * rc->scale, 1);
1343                 *height = (gint) MAX (page_height * rc->scale, 1);
1344         }
1345
1346         if (rc->rotation == 90 || rc->rotation == 270) {
1347                 gint  temp;
1348
1349                 temp = *width;
1350                 *width = *height;
1351                 *height = temp;
1352         }
1353 }
1354
1355 static void
1356 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
1357 {
1358         iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
1359         iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
1360 }
1361
1362
1363 static GList *
1364 pdf_document_find_find_text (EvDocumentFind *document_find,
1365                              EvPage         *page,
1366                              const gchar    *text,
1367                              gboolean        case_sensitive)
1368 {
1369         GList *matches, *l;
1370         PopplerPage *poppler_page;
1371         gdouble height;
1372
1373         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
1374         g_return_val_if_fail (text != NULL, NULL);
1375
1376         poppler_page = POPPLER_PAGE (page->backend_page);
1377
1378         matches = poppler_page_find_text (poppler_page, text);
1379         if (!matches)
1380                 return NULL;
1381
1382         poppler_page_get_size (poppler_page, NULL, &height);
1383         for (l = matches; l && l->data; l = g_list_next (l)) {
1384                 PopplerRectangle *rect = (PopplerRectangle *)l->data;
1385                 gdouble           tmp;
1386
1387                 tmp = rect->y1;
1388                 rect->y1 = height - rect->y2;
1389                 rect->y2 = height - tmp;
1390         }
1391
1392         return matches;
1393 }
1394
1395 static void
1396 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1397 {
1398         iface->find_text = pdf_document_find_find_text;
1399 }
1400
1401 static void
1402 pdf_print_context_free (PdfPrintContext *ctx)
1403 {
1404         if (!ctx)
1405                 return;
1406
1407 #ifdef HAVE_CAIRO_PRINT
1408         if (ctx->cr) {
1409                 cairo_destroy (ctx->cr);
1410                 ctx->cr = NULL;
1411         }
1412 #else
1413         if (ctx->ps_file) {
1414                 poppler_ps_file_free (ctx->ps_file);
1415                 ctx->ps_file = NULL;
1416         }
1417 #endif
1418         g_free (ctx);
1419 }
1420
1421 static void
1422 pdf_document_file_exporter_begin (EvFileExporter        *exporter,
1423                                   EvFileExporterContext *fc)
1424 {
1425         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1426         PdfPrintContext *ctx;
1427 #ifdef HAVE_CAIRO_PRINT
1428         gdouble width, height;
1429         cairo_surface_t *surface = NULL;
1430 #endif
1431
1432         if (pdf_document->print_ctx)
1433                 pdf_print_context_free (pdf_document->print_ctx);
1434         pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
1435         ctx = pdf_document->print_ctx;
1436         ctx->format = fc->format;
1437
1438 #ifdef HAVE_CAIRO_PRINT
1439         ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
1440
1441         ctx->paper_width = fc->paper_width;
1442         ctx->paper_height = fc->paper_height;
1443
1444         switch (fc->pages_per_sheet) {
1445                 default:
1446                 case 1:
1447                         ctx->pages_x = 1;
1448                         ctx->pages_y = 1;
1449                         break;
1450                 case 2:
1451                         ctx->pages_x = 1;
1452                         ctx->pages_y = 2;
1453                         break;
1454                 case 4:
1455                         ctx->pages_x = 2;
1456                         ctx->pages_y = 2;
1457                         break;
1458                 case 6:
1459                         ctx->pages_x = 2;
1460                         ctx->pages_y = 3;
1461                         break;
1462                 case 9:
1463                         ctx->pages_x = 3;
1464                         ctx->pages_y = 3;
1465                         break;
1466                 case 16:
1467                         ctx->pages_x = 4;
1468                         ctx->pages_y = 4;
1469                         break;
1470         }
1471
1472         ctx->pages_printed = 0;
1473
1474         switch (fc->format) {
1475                 case EV_FILE_FORMAT_PS:
1476 #ifdef HAVE_CAIRO_PS
1477                         surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1478 #endif
1479                         break;
1480                 case EV_FILE_FORMAT_PDF:
1481 #ifdef HAVE_CAIRO_PDF
1482                         surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1483 #endif
1484                         break;
1485                 default:
1486                         g_assert_not_reached ();
1487         }
1488
1489         ctx->cr = cairo_create (surface);
1490         cairo_surface_destroy (surface);
1491
1492 #else /* HAVE_CAIRO_PRINT */
1493         if (ctx->format == EV_FILE_FORMAT_PS) {
1494                 ctx->ps_file = poppler_ps_file_new (pdf_document->document,
1495                                                     fc->filename, fc->first_page,
1496                                                     fc->last_page - fc->first_page + 1);
1497                 poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
1498                 poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
1499         }
1500 #endif /* HAVE_CAIRO_PRINT */
1501 }
1502
1503 static void
1504 pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
1505 {
1506         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1507         PdfPrintContext *ctx = pdf_document->print_ctx;
1508
1509         g_return_if_fail (pdf_document->print_ctx != NULL);
1510
1511         ctx->pages_printed = 0;
1512
1513 #ifdef HAVE_CAIRO_PRINT
1514         if (ctx->paper_width > ctx->paper_height) {
1515                 if (ctx->format == EV_FILE_FORMAT_PS) {
1516                         cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
1517                                                    ctx->paper_height,
1518                                                    ctx->paper_width);
1519                 } else if (ctx->format == EV_FILE_FORMAT_PDF) {
1520                         cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
1521                                                     ctx->paper_height,
1522                                                     ctx->paper_width);
1523                 }
1524         }
1525 #endif /* HAVE_CAIRO_PRINT */
1526 }
1527
1528 static void
1529 pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
1530                                     EvRenderContext *rc)
1531 {
1532         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1533         PdfPrintContext *ctx = pdf_document->print_ctx;
1534         PopplerPage *poppler_page;
1535 #ifdef HAVE_CAIRO_PRINT
1536         gdouble  page_width, page_height;
1537         gint     x, y;
1538         gboolean rotate;
1539         gdouble  width, height;
1540         gdouble  pwidth, pheight;
1541         gdouble  xscale, yscale;
1542 #endif
1543
1544         g_return_if_fail (pdf_document->print_ctx != NULL);
1545
1546         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1547
1548 #ifdef HAVE_CAIRO_PRINT
1549         x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
1550         y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
1551         poppler_page_get_size (poppler_page, &page_width, &page_height);
1552
1553         if (page_width > page_height && page_width > ctx->paper_width) {
1554                 rotate = TRUE;
1555         } else {
1556                 rotate = FALSE;
1557         }
1558
1559         /* Use always portrait mode and rotate when necessary */
1560         if (ctx->paper_width > ctx->paper_height) {
1561                 width = ctx->paper_height;
1562                 height = ctx->paper_width;
1563                 rotate = !rotate;
1564         } else {
1565                 width = ctx->paper_width;
1566                 height = ctx->paper_height;
1567         }
1568
1569         if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
1570                 rotate = !rotate;
1571         }
1572
1573         if (rotate) {
1574                 gint tmp1;
1575                 gdouble tmp2;
1576
1577                 tmp1 = x;
1578                 x = y;
1579                 y = tmp1;
1580
1581                 tmp2 = page_width;
1582                 page_width = page_height;
1583                 page_height = tmp2;
1584         }
1585
1586         pwidth = width / ctx->pages_x;
1587         pheight = height / ctx->pages_y;
1588
1589         if ((page_width > pwidth || page_height > pheight) ||
1590             (page_width < pwidth && page_height < pheight)) {
1591                 xscale = pwidth / page_width;
1592                 yscale = pheight / page_height;
1593
1594                 if (yscale < xscale) {
1595                         xscale = yscale;
1596                 } else {
1597                         yscale = xscale;
1598                 }
1599
1600         } else {
1601                 xscale = yscale = 1;
1602         }
1603
1604         /* TODO: center */
1605
1606         cairo_save (ctx->cr);
1607         if (rotate) {
1608                 cairo_matrix_t matrix;
1609
1610                 cairo_translate (ctx->cr, (2 * y + 1) * pwidth, 0);
1611                 cairo_matrix_init (&matrix,
1612                                    0,  1,
1613                                    -1,  0,
1614                                    0,  0);
1615                 cairo_transform (ctx->cr, &matrix);
1616         }
1617
1618         cairo_translate (ctx->cr,
1619                          x * (rotate ? pheight : pwidth),
1620                          y * (rotate ? pwidth : pheight));
1621         cairo_scale (ctx->cr, xscale, yscale);
1622
1623         poppler_page_render_for_printing (poppler_page, ctx->cr);
1624
1625         ctx->pages_printed++;
1626
1627         cairo_restore (ctx->cr);
1628 #else /* HAVE_CAIRO_PRINT */
1629         if (ctx->format == EV_FILE_FORMAT_PS)
1630                 poppler_page_render_to_ps (poppler_page, ctx->ps_file);
1631 #endif /* HAVE_CAIRO_PRINT */
1632 }
1633
1634 static void
1635 pdf_document_file_exporter_end_page (EvFileExporter *exporter)
1636 {
1637         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1638         PdfPrintContext *ctx = pdf_document->print_ctx;
1639
1640         g_return_if_fail (pdf_document->print_ctx != NULL);
1641
1642 #ifdef HAVE_CAIRO_PRINT
1643         cairo_show_page (ctx->cr);
1644 #endif
1645 }
1646
1647 static void
1648 pdf_document_file_exporter_end (EvFileExporter *exporter)
1649 {
1650         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1651
1652         pdf_print_context_free (pdf_document->print_ctx);
1653         pdf_document->print_ctx = NULL;
1654 }
1655
1656 static EvFileExporterCapabilities
1657 pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
1658 {
1659         return  (EvFileExporterCapabilities) (
1660                 EV_FILE_EXPORTER_CAN_PAGE_SET |
1661                 EV_FILE_EXPORTER_CAN_COPIES |
1662                 EV_FILE_EXPORTER_CAN_COLLATE |
1663                 EV_FILE_EXPORTER_CAN_REVERSE |
1664                 EV_FILE_EXPORTER_CAN_SCALE |
1665 #ifdef HAVE_CAIRO_PRINT
1666 #ifdef HAVE_POPPLER_PAGE_RENDER
1667                 EV_FILE_EXPORTER_CAN_NUMBER_UP |
1668 #endif
1669 #endif
1670
1671 #ifdef HAVE_CAIRO_PDF
1672 #ifdef HAVE_POPPLER_PAGE_RENDER
1673                 EV_FILE_EXPORTER_CAN_GENERATE_PDF |
1674 #endif
1675 #endif
1676                 EV_FILE_EXPORTER_CAN_GENERATE_PS);
1677 }
1678
1679 static void
1680 pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
1681 {
1682         iface->begin = pdf_document_file_exporter_begin;
1683         iface->begin_page = pdf_document_file_exporter_begin_page;
1684         iface->do_page = pdf_document_file_exporter_do_page;
1685         iface->end_page = pdf_document_file_exporter_end_page;
1686         iface->end = pdf_document_file_exporter_end;
1687         iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
1688 }
1689
1690 static void
1691 pdf_selection_render_selection (EvSelection      *selection,
1692                                 EvRenderContext  *rc,
1693                                 cairo_surface_t **surface,
1694                                 EvRectangle      *points,
1695                                 EvRectangle      *old_points,
1696                                 EvSelectionStyle  style,
1697                                 GdkColor         *text,
1698                                 GdkColor         *base)
1699 {
1700         PopplerPage *poppler_page;
1701         double width_points, height_points;
1702         gint width, height;
1703
1704         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1705
1706         poppler_page_get_size (poppler_page,
1707                                &width_points, &height_points);
1708         width = (int) ((width_points * rc->scale) + 0.5);
1709         height = (int) ((height_points * rc->scale) + 0.5);
1710
1711 #ifdef HAVE_POPPLER_PAGE_RENDER
1712         cairo_t *cr;
1713         PopplerColor text_color, base_color;
1714
1715         text_color.red = text->red;
1716         text_color.green = text->green;
1717         text_color.blue = text->blue;
1718
1719         base_color.red = base->red;
1720         base_color.green = base->green;
1721         base_color.blue = base->blue;
1722
1723         if (*surface == NULL) {
1724                 *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
1725                                                        width, height);
1726
1727         }
1728
1729         cr = cairo_create (*surface);
1730         cairo_scale (cr, rc->scale, rc->scale);
1731         cairo_surface_set_device_offset (*surface, 0, 0);
1732         memset (cairo_image_surface_get_data (*surface), 0x00,
1733                 cairo_image_surface_get_height (*surface) *
1734                 cairo_image_surface_get_stride (*surface));
1735         poppler_page_render_selection (poppler_page,
1736                                        cr,
1737                                        (PopplerRectangle *)points,
1738                                        (PopplerRectangle *)old_points,
1739                                        (PopplerSelectionStyle)style,
1740                                        &text_color,
1741                                        &base_color);
1742         cairo_destroy (cr);
1743 #else /* HAVE_POPPLER_PAGE_RENDER */
1744         GdkPixbuf *pixbuf;
1745
1746         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
1747                                  TRUE, 8,
1748                                  width, height);
1749
1750         poppler_page_render_selection_to_pixbuf (poppler_page,
1751                                                  rc->scale, rc->rotation, pixbuf,
1752                                                  (PopplerRectangle *)points,
1753                                                  (PopplerRectangle *)old_points,
1754                                                  (PopplerSelectionStyle)style,
1755                                                  text,
1756                                                  base);
1757         if (*surface)
1758                 cairo_surface_destroy (*surface);
1759         *surface = ev_document_misc_surface_from_pixbuf (pixbuf);
1760         g_object_unref (pixbuf);
1761 #endif /* HAVE_POPPLER_PAGE_RENDER */
1762 }
1763
1764 static gchar *
1765 pdf_selection_get_selected_text (EvSelection     *selection,
1766                                  EvRenderContext *rc,
1767                                  EvSelectionStyle style,
1768                                  EvRectangle     *points)
1769 {
1770         PopplerPage *poppler_page;
1771         PopplerRectangle r;
1772         double height;
1773         char *retval;
1774
1775         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1776
1777         poppler_page_get_size (poppler_page, NULL, &height);
1778         r.x1 = points->x1;
1779         r.y1 = height - points->y2;
1780         r.x2 = points->x2;
1781         r.y2 = height - points->y1;
1782
1783         retval = poppler_page_get_text (poppler_page,
1784                                         (PopplerSelectionStyle)style,
1785                                         &r);
1786
1787         return retval;
1788 }
1789
1790 static GdkRegion *
1791 create_gdk_region_from_poppler_region (GList *region)
1792 {
1793         GList *l;
1794         GdkRegion *retval;
1795
1796         retval = gdk_region_new ();
1797
1798         for (l = region; l; l = g_list_next (l)) {
1799                 PopplerRectangle *rectangle;
1800                 GdkRectangle      rect;
1801
1802                 rectangle = (PopplerRectangle *)l->data;
1803
1804                 rect.x = (gint) rectangle->x1;
1805                 rect.y = (gint) rectangle->y1;
1806                 rect.width  = (gint) (rectangle->x2 - rectangle->x1);
1807                 rect.height = (gint) (rectangle->y2 - rectangle->y1);
1808                 gdk_region_union_with_rect (retval, &rect);
1809
1810                 poppler_rectangle_free (rectangle);
1811         }
1812
1813         return retval;
1814 }
1815
1816 static GdkRegion *
1817 pdf_selection_get_selection_region (EvSelection     *selection,
1818                                     EvRenderContext *rc,
1819                                     EvSelectionStyle style,
1820                                     EvRectangle     *points)
1821 {
1822         PopplerPage *poppler_page;
1823         GdkRegion   *retval;
1824         GList       *region;
1825
1826         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1827
1828         region = poppler_page_get_selection_region (poppler_page,
1829                                                     rc->scale,
1830                                                     (PopplerSelectionStyle)style,
1831                                                     (PopplerRectangle *) points);
1832         retval = create_gdk_region_from_poppler_region (region);
1833         g_list_free (region);
1834
1835         return retval;
1836 }
1837
1838 static GdkRegion *
1839 pdf_selection_get_selection_map (EvSelection     *selection,
1840                                  EvRenderContext *rc)
1841 {
1842         PopplerPage *poppler_page;
1843         PopplerRectangle points;
1844         GList *region;
1845         GdkRegion *retval;
1846
1847         poppler_page = POPPLER_PAGE (rc->page->backend_page);
1848
1849         points.x1 = 0.0;
1850         points.y1 = 0.0;
1851         poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
1852
1853         region = poppler_page_get_selection_region (poppler_page, 1.0,
1854                                                     POPPLER_SELECTION_GLYPH,
1855                                                     &points);
1856         retval = create_gdk_region_from_poppler_region (region);
1857         g_list_free (region);
1858
1859         return retval;
1860 }
1861
1862 static void
1863 pdf_selection_iface_init (EvSelectionIface *iface)
1864 {
1865         iface->render_selection = pdf_selection_render_selection;
1866         iface->get_selected_text = pdf_selection_get_selected_text;
1867         iface->get_selection_region = pdf_selection_get_selection_region;
1868         iface->get_selection_map = pdf_selection_get_selection_map;
1869 }
1870
1871 /* Page Transitions */
1872 static gdouble
1873 pdf_document_get_page_duration (EvDocumentTransition *trans,
1874                                 gint                  page)
1875 {
1876         PdfDocument *pdf_document;
1877         PopplerPage *poppler_page;
1878         gdouble      duration = -1;
1879
1880         pdf_document = PDF_DOCUMENT (trans);
1881         poppler_page = poppler_document_get_page (pdf_document->document, page);
1882         if (!poppler_page)
1883                 return -1;
1884
1885         duration = poppler_page_get_duration (poppler_page);
1886         g_object_unref (poppler_page);
1887
1888         return duration;
1889 }
1890
1891 static EvTransitionEffect *
1892 pdf_document_get_effect (EvDocumentTransition *trans,
1893                          gint                  page)
1894 {
1895         PdfDocument            *pdf_document;
1896         PopplerPage            *poppler_page;
1897         PopplerPageTransition  *page_transition;
1898         EvTransitionEffect     *effect;
1899
1900         pdf_document = PDF_DOCUMENT (trans);
1901         poppler_page = poppler_document_get_page (pdf_document->document, page);
1902
1903         if (!poppler_page)
1904                 return NULL;
1905
1906         page_transition = poppler_page_get_transition (poppler_page);
1907
1908         if (!page_transition) {
1909                 g_object_unref (poppler_page);
1910                 return NULL;
1911         }
1912
1913         /* enums in PopplerPageTransition match the EvTransitionEffect ones */
1914         effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
1915                                            "alignment", page_transition->alignment,
1916                                            "direction", page_transition->direction,
1917                                            "duration", page_transition->duration,
1918                                            "angle", page_transition->angle,
1919                                            "scale", page_transition->scale,
1920                                            "rectangular", page_transition->rectangular,
1921                                            NULL);
1922
1923         poppler_page_transition_free (page_transition);
1924         g_object_unref (poppler_page);
1925
1926         return effect;
1927 }
1928
1929 static void
1930 pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
1931 {
1932         iface->get_page_duration = pdf_document_get_page_duration;
1933         iface->get_effect = pdf_document_get_effect;
1934 }
1935
1936 /* Forms */
1937 static void
1938 pdf_document_get_crop_box (EvDocument  *document,
1939                            int          page,
1940                            EvRectangle *rect)
1941 {
1942         PdfDocument *pdf_document;
1943         PopplerPage *poppler_page;
1944         PopplerRectangle poppler_rect;
1945
1946         pdf_document = PDF_DOCUMENT (document);
1947         poppler_page = poppler_document_get_page (pdf_document->document, page);
1948         poppler_page_get_crop_box (poppler_page, &poppler_rect);
1949         rect->x1 = poppler_rect.x1;
1950         rect->x2 = poppler_rect.x2;
1951         rect->y1 = poppler_rect.y1;
1952         rect->y2 = poppler_rect.y2;
1953 }
1954
1955 static EvFormField *
1956 ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
1957 {
1958         EvFormField *ev_field = NULL;
1959         gint         id;
1960         gdouble      font_size;
1961         gboolean     is_read_only;
1962
1963         id = poppler_form_field_get_id (poppler_field);
1964         font_size = poppler_form_field_get_font_size (poppler_field);
1965         is_read_only = poppler_form_field_is_read_only (poppler_field);
1966
1967         switch (poppler_form_field_get_field_type (poppler_field)) {
1968                 case POPPLER_FORM_FIELD_TEXT: {
1969                         EvFormFieldText    *field_text;
1970                         EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
1971
1972                         switch (poppler_form_field_text_get_text_type (poppler_field)) {
1973                                 case POPPLER_FORM_TEXT_NORMAL:
1974                                         ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
1975                                         break;
1976                                 case POPPLER_FORM_TEXT_MULTILINE:
1977                                         ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
1978                                         break;
1979                                 case POPPLER_FORM_TEXT_FILE_SELECT:
1980                                         ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
1981                                         break;
1982                         }
1983
1984                         ev_field = ev_form_field_text_new (id, ev_text_type);
1985                         field_text = EV_FORM_FIELD_TEXT (ev_field);
1986
1987                         field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
1988                         field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
1989                         field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
1990                         field_text->is_password = poppler_form_field_text_is_password (poppler_field);
1991                         field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
1992                         field_text->text = poppler_form_field_text_get_text (poppler_field);
1993
1994                 }
1995                         break;
1996                 case POPPLER_FORM_FIELD_BUTTON: {
1997                         EvFormFieldButton    *field_button;
1998                         EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
1999
2000                         switch (poppler_form_field_button_get_button_type (poppler_field)) {
2001                                 case POPPLER_FORM_BUTTON_PUSH:
2002                                         ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2003                                         break;
2004                                 case POPPLER_FORM_BUTTON_CHECK:
2005                                         ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
2006                                         break;
2007                                 case POPPLER_FORM_BUTTON_RADIO:
2008                                         ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
2009                                         break;
2010                         }
2011
2012                         ev_field = ev_form_field_button_new (id, ev_button_type);
2013                         field_button = EV_FORM_FIELD_BUTTON (ev_field);
2014
2015                         field_button->state = poppler_form_field_button_get_state (poppler_field);
2016                 }
2017                         break;
2018                 case POPPLER_FORM_FIELD_CHOICE: {
2019                         EvFormFieldChoice    *field_choice;
2020                         EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2021
2022                         switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
2023                                 case POPPLER_FORM_CHOICE_COMBO:
2024                                         ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2025                                         break;
2026                                 case EV_FORM_FIELD_CHOICE_LIST:
2027                                         ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
2028                                         break;
2029                         }
2030
2031                         ev_field = ev_form_field_choice_new (id, ev_choice_type);
2032                         field_choice = EV_FORM_FIELD_CHOICE (ev_field);
2033
2034                         field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
2035                         field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
2036                         field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
2037                         field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
2038
2039                         /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
2040                         field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
2041                         if (field_choice->is_editable)
2042                                 field_choice->text = poppler_form_field_choice_get_text (poppler_field);
2043                 }
2044                         break;
2045                 case POPPLER_FORM_FIELD_SIGNATURE:
2046                         /* TODO */
2047                         ev_field = ev_form_field_signature_new (id);
2048                         break;
2049                 case POPPLER_FORM_FIELD_UNKNOWN:
2050                         return NULL;
2051         }
2052
2053         ev_field->font_size = font_size;
2054         ev_field->is_read_only = is_read_only;
2055
2056         return ev_field;
2057 }
2058
2059 static GList *
2060 pdf_document_forms_get_form_fields (EvDocumentForms *document,
2061                                     EvPage          *page)
2062 {
2063         PopplerPage *poppler_page;
2064         GList *retval = NULL;
2065         GList *fields;
2066         GList *list;
2067         double height;
2068
2069         g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
2070
2071         poppler_page = POPPLER_PAGE (page->backend_page);
2072         fields = poppler_page_get_form_field_mapping (poppler_page);
2073         poppler_page_get_size (poppler_page, NULL, &height);
2074
2075         for (list = fields; list; list = list->next) {
2076                 PopplerFormFieldMapping *mapping;
2077                 EvFormFieldMapping *field_mapping;
2078                 EvFormField *ev_field;
2079
2080                 mapping = (PopplerFormFieldMapping *)list->data;
2081
2082                 ev_field = ev_form_field_from_poppler_field (mapping->field);
2083                 if (!ev_field)
2084                         continue;
2085
2086                 field_mapping = g_new0 (EvFormFieldMapping, 1);
2087                 field_mapping->x1 = mapping->area.x1;
2088                 field_mapping->x2 = mapping->area.x2;
2089                 field_mapping->y1 = height - mapping->area.y2;
2090                 field_mapping->y2 = height - mapping->area.y1;
2091                 field_mapping->field = ev_field;
2092                 field_mapping->field->page = EV_PAGE (g_object_ref (page));
2093
2094                 g_object_set_data_full (G_OBJECT (ev_field),
2095                                         "poppler-field",
2096                                         g_object_ref (mapping->field),
2097                                         (GDestroyNotify) g_object_unref);
2098
2099                 retval = g_list_prepend (retval, field_mapping);
2100         }
2101
2102         poppler_page_free_form_field_mapping (fields);
2103
2104         return g_list_reverse (retval);
2105 }
2106
2107 static gchar *
2108 pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
2109                                              EvFormField     *field)
2110
2111 {
2112         PopplerFormField *poppler_field;
2113         gchar *text;
2114
2115         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2116         if (!poppler_field)
2117                 return NULL;
2118
2119         text = poppler_form_field_text_get_text (poppler_field);
2120
2121         return text;
2122 }
2123
2124 static void
2125 pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
2126                                              EvFormField     *field,
2127                                              const gchar     *text)
2128 {
2129         PopplerFormField *poppler_field;
2130
2131         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2132         if (!poppler_field)
2133                 return;
2134         poppler_form_field_text_set_text (poppler_field, text);
2135 }
2136
2137 static void
2138 pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
2139                                                 EvFormField     *field,
2140                                                 gboolean         state)
2141 {
2142         PopplerFormField *poppler_field;
2143
2144         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2145         if (!poppler_field)
2146                 return;
2147
2148         poppler_form_field_button_set_state (poppler_field, state);
2149 }
2150
2151 static gboolean
2152 pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
2153                                                 EvFormField     *field)
2154 {
2155         PopplerFormField *poppler_field;
2156         gboolean state;
2157
2158         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2159         if (!poppler_field)
2160                 return FALSE;
2161
2162         state = poppler_form_field_button_get_state (poppler_field);
2163
2164         return state;
2165 }
2166
2167 static gchar *
2168 pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
2169                                                EvFormField     *field,
2170                                                gint             index)
2171 {
2172         PopplerFormField *poppler_field;
2173         gchar *text;
2174
2175         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2176         if (!poppler_field)
2177                 return NULL;
2178
2179         text = poppler_form_field_choice_get_item (poppler_field, index);
2180
2181         return text;
2182 }
2183
2184 static int
2185 pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
2186                                                   EvFormField     *field)
2187 {
2188         PopplerFormField *poppler_field;
2189         gint n_items;
2190
2191         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2192         if (!poppler_field)
2193                 return -1;
2194
2195         n_items = poppler_form_field_choice_get_n_items (poppler_field);
2196
2197         return n_items;
2198 }
2199
2200 static gboolean
2201 pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
2202                                                        EvFormField     *field,
2203                                                        gint             index)
2204 {
2205         PopplerFormField *poppler_field;
2206         gboolean selected;
2207
2208         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2209         if (!poppler_field)
2210                 return FALSE;
2211
2212         selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
2213
2214         return selected;
2215 }
2216
2217 static void
2218 pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
2219                                                   EvFormField     *field,
2220                                                   gint             index)
2221 {
2222         PopplerFormField *poppler_field;
2223
2224         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2225         if (!poppler_field)
2226                 return;
2227
2228         poppler_form_field_choice_select_item (poppler_field, index);
2229 }
2230
2231 static void
2232 pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
2233                                                   EvFormField     *field,
2234                                                   gint             index)
2235 {
2236         PopplerFormField *poppler_field;
2237
2238         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2239         if (!poppler_field)
2240                 return;
2241
2242         poppler_form_field_choice_toggle_item (poppler_field, index);
2243 }
2244
2245 static void
2246 pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
2247                                                    EvFormField     *field)
2248 {
2249         PopplerFormField *poppler_field;
2250
2251         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2252         if (!poppler_field)
2253                 return;
2254
2255         poppler_form_field_choice_unselect_all (poppler_field);
2256 }
2257
2258 static void
2259 pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
2260                                                EvFormField     *field,
2261                                                const gchar     *text)
2262 {
2263         PopplerFormField *poppler_field;
2264
2265         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2266         if (!poppler_field)
2267                 return;
2268
2269         poppler_form_field_choice_set_text (poppler_field, text);
2270 }
2271
2272 static gchar *
2273 pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
2274                                                EvFormField     *field)
2275 {
2276         PopplerFormField *poppler_field;
2277         gchar *text;
2278
2279         poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
2280         if (!poppler_field)
2281                 return NULL;
2282
2283         text = poppler_form_field_choice_get_text (poppler_field);
2284
2285         return text;
2286 }
2287
2288 static void
2289 pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
2290 {
2291         iface->get_form_fields = pdf_document_forms_get_form_fields;
2292         iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
2293         iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
2294         iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
2295         iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
2296         iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
2297         iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
2298         iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
2299         iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
2300         iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
2301         iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
2302         iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
2303         iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
2304 }
2305