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_POPPLER_PAGE_RENDER_FOR_PRINTING)) && (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
  53 #define HAVE_CAIRO_PRINT
  54 #endif
  55
  56 #if POPPLER_MAJOR_VERSION <= 6 || (POPPLER_MAJOR_VERSION == 7 && POPPLER_MINOR_VERSION < 2)
  57 #define POPPLER_HAS_GDK
  58 #else
  59 #ifdef POPPLER_WITH_GDK
  60 #define POPPLER_HAS_GDK
  61 #endif
  62 #endif
  63
  64 typedef struct {
  65         PdfDocument *document;
  66         char *text;
  67         GList **pages;
  68         guint idle;
  69         int start_page;
  70         int search_page;
  71 } PdfDocumentSearch;
  72
  73 typedef struct {
  74         EvFileExporterFormat format;
  75
  76         /* Pages per sheet */
  77         gint pages_per_sheet;
  78         gint pages_printed;
  79         gint pages_x;
  80         gint pages_y;
  81         gdouble paper_width;
  82         gdouble paper_height;
  83
  84 #ifdef HAVE_CAIRO_PRINT
  85         cairo_t *cr;
  86 #else
  87         PopplerPSFile *ps_file;
  88 #endif
  89 } PdfPrintContext;
  90
  91 struct _PdfDocumentClass
  92 {
  93         GObjectClass parent_class;
  94 };
  95
  96 struct _PdfDocument
  97 {
  98         GObject parent_instance;
  99
 100         PopplerDocument *document;
 101         gchar *password;
 102
 103         PopplerFontInfo *font_info;
 104         PopplerFontsIter *fonts_iter;
 105         int fonts_scanned_pages;
 106
 107         PdfDocumentSearch *search;
 108         PdfPrintContext *print_ctx;
 109 };
 110
 111 static void pdf_document_document_iface_init            (EvDocumentIface           *iface);
 112 static void pdf_document_security_iface_init            (EvDocumentSecurityIface   *iface);
 113 static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
 114 static void pdf_document_document_links_iface_init      (EvDocumentLinksIface      *iface);
 115 static void pdf_document_document_images_iface_init     (EvDocumentImagesIface     *iface);
 116 static void pdf_document_document_forms_iface_init      (EvDocumentFormsIface      *iface);
 117 static void pdf_document_document_fonts_iface_init      (EvDocumentFontsIface      *iface);
 118 static void pdf_document_find_iface_init                (EvDocumentFindIface       *iface);
 119 static void pdf_document_file_exporter_iface_init       (EvFileExporterIface       *iface);
 120 static void pdf_selection_iface_init                    (EvSelectionIface          *iface);
 121 static void pdf_document_page_transition_iface_init     (EvDocumentTransitionIface *iface);
 122 static void pdf_document_thumbnails_get_dimensions      (EvDocumentThumbnails      *document_thumbnails,
 123                                                          EvRenderContext           *rc,
 124                                                          gint                      *width,
 125                                                          gint                      *height);
 126 static int  pdf_document_get_n_pages                    (EvDocument                *document);
 127
 128 static EvLinkDest *ev_link_dest_from_dest   (PdfDocument       *pdf_document,
 129                                              PopplerDest       *dest);
 130 static EvLink     *ev_link_from_action      (PdfDocument       *pdf_document,
 131                                              PopplerAction     *action);
 132 static void        pdf_document_search_free (PdfDocumentSearch *search);
 133 static void        pdf_print_context_free   (PdfPrintContext   *ctx);
 134
 135 EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
 136                          {
 137                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
 138                                                                  pdf_document_security_iface_init);
 139                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 140                                                                  pdf_document_document_thumbnails_iface_init);
 141                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
 142                                                                  pdf_document_document_links_iface_init);
 143                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
 144                                                                  pdf_document_document_images_iface_init);
 145                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FORMS,
 146                                                                  pdf_document_document_forms_iface_init);
 147                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
 148                                                                  pdf_document_document_fonts_iface_init);
 149                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
 150                                                                  pdf_document_find_iface_init);
 151                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
 152                                                                  pdf_document_file_exporter_iface_init);
 153                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
 154                                                                  pdf_selection_iface_init);
 155                                  EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
 156                                                                  pdf_document_page_transition_iface_init);
 157                          });
 158
 159 static void
 160 set_rc_data (PdfDocument     *pdf_document,
 161              EvRenderContext *rc)
 162 {
 163         if (rc->data == NULL) {
 164                 rc->data = poppler_document_get_page (pdf_document->document,
 165                                                       rc->page);
 166                 rc->destroy = g_object_unref;
 167         } else {
 168                 g_assert (rc->page == poppler_page_get_index (POPPLER_PAGE (rc->data)));
 169         }
 170 }
 171
 172 static void
 173 pdf_document_search_free (PdfDocumentSearch   *search)
 174 {
 175         PdfDocument *pdf_document = search->document;
 176         int n_pages;
 177         int i;
 178
 179         if (search->idle != 0)
 180                 g_source_remove (search->idle);
 181
 182         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 183         for (i = 0; i < n_pages; i++) {
 184                 g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
 185                 g_list_free (search->pages[i]);
 186         }
 187         g_free (search->pages);
 188
 189         g_free (search->text);
 190         g_free (search);
 191 }
 192
 193 static void
 194 pdf_document_dispose (GObject *object)
 195 {
 196         PdfDocument *pdf_document = PDF_DOCUMENT(object);
 197
 198         if (pdf_document->print_ctx) {
 199                 pdf_print_context_free (pdf_document->print_ctx);
 200                 pdf_document->print_ctx = NULL;
 201         }
 202
 203         if (pdf_document->search) {
 204                 pdf_document_search_free (pdf_document->search);
 205                 pdf_document->search = NULL;
 206         }
 207
 208         if (pdf_document->document) {
 209                 g_object_unref (pdf_document->document);
 210         }
 211
 212         if (pdf_document->font_info) {
 213                 poppler_font_info_free (pdf_document->font_info);
 214         }
 215
 216         if (pdf_document->fonts_iter) {
 217                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 218         }
 219
 220         G_OBJECT_CLASS (pdf_document_parent_class)->dispose (object);
 221 }
 222
 223 static void
 224 pdf_document_class_init (PdfDocumentClass *klass)
 225 {
 226         GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
 227
 228         g_object_class->dispose = pdf_document_dispose;
 229 }
 230
 231 static void
 232 pdf_document_init (PdfDocument *pdf_document)
 233 {
 234         pdf_document->password = NULL;
 235 }
 236
 237 static void
 238 convert_error (GError  *poppler_error,
 239                GError **error)
 240 {
 241         if (poppler_error == NULL)
 242                 return;
 243
 244         if (poppler_error->domain == POPPLER_ERROR) {
 245                 /* convert poppler errors into EvDocument errors */
 246                 gint code = EV_DOCUMENT_ERROR_INVALID;
 247                 if (poppler_error->code == POPPLER_ERROR_INVALID)
 248                         code = EV_DOCUMENT_ERROR_INVALID;
 249                 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
 250                         code = EV_DOCUMENT_ERROR_ENCRYPTED;
 251
 252
 253                 g_set_error (error,
 254                              EV_DOCUMENT_ERROR,
 255                              code,
 256                              poppler_error->message,
 257                              NULL);
 258         } else {
 259                 g_propagate_error (error, poppler_error);
 260         }
 261 }
 262
 263
 264 /* EvDocument */
 265 static gboolean
 266 pdf_document_save (EvDocument  *document,
 267                    const char  *uri,
 268                    GError     **error)
 269 {
 270         gboolean retval;
 271         GError *poppler_error = NULL;
 272
 273         retval = poppler_document_save (PDF_DOCUMENT (document)->document,
 274                                         uri,
 275                                         &poppler_error);
 276         if (! retval)
 277                 convert_error (poppler_error, error);
 278
 279         return retval;
 280 }
 281
 282 static gboolean
 283 pdf_document_load (EvDocument   *document,
 284                    const char   *uri,
 285                    GError      **error)
 286 {
 287         GError *poppler_error = NULL;
 288         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 289
 290         pdf_document->document =
 291                 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
 292
 293         if (pdf_document->document == NULL) {
 294                 convert_error (poppler_error, error);
 295                 return FALSE;
 296         }
 297
 298         return TRUE;
 299 }
 300
 301 static int
 302 pdf_document_get_n_pages (EvDocument *document)
 303 {
 304         return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 305 }
 306
 307 static void
 308 pdf_document_get_page_size (EvDocument   *document,
 309                             int           page,
 310                             double       *width,
 311                             double       *height)
 312 {
 313         PdfDocument *pdf_document = PDF_DOCUMENT (document);
 314         PopplerPage *poppler_page;
 315
 316         poppler_page = poppler_document_get_page (pdf_document->document, page);
 317         poppler_page_get_size (poppler_page, width, height);
 318         g_object_unref (poppler_page);
 319 }
 320
 321 static char *
 322 pdf_document_get_page_label (EvDocument *document,
 323                              int         page)
 324 {
 325         PopplerPage *poppler_page;
 326         char *label = NULL;
 327
 328         poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
 329                                                   page);
 330
 331         g_object_get (G_OBJECT (poppler_page),
 332                       "label", &label,
 333                       NULL);
 334         g_object_unref (poppler_page);
 335
 336         return label;
 337 }
 338
 339 static gboolean
 340 pdf_document_has_attachments (EvDocument *document)
 341 {
 342         PdfDocument *pdf_document;
 343
 344         pdf_document = PDF_DOCUMENT (document);
 345
 346         return poppler_document_has_attachments (pdf_document->document);
 347 }
 348
 349 struct SaveToBufferData {
 350         gchar *buffer;
 351         gsize len, max;
 352 };
 353
 354 static gboolean
 355 attachment_save_to_buffer_callback (const gchar  *buf,
 356                                     gsize         count,
 357                                     gpointer      user_data,
 358                                     GError      **error)
 359 {
 360         struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
 361         gchar *new_buffer;
 362         gsize new_max;
 363
 364         if (sdata->len + count > sdata->max) {
 365                 new_max = MAX (sdata->max * 2, sdata->len + count);
 366                 new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
 367
 368                 sdata->buffer = new_buffer;
 369                 sdata->max = new_max;
 370         }
 371
 372         memcpy (sdata->buffer + sdata->len, buf, count);
 373         sdata->len += count;
 374
 375         return TRUE;
 376 }
 377
 378 static gboolean
 379 attachment_save_to_buffer (PopplerAttachment  *attachment,
 380                            gchar             **buffer,
 381                            gsize              *buffer_size,
 382                            GError            **error)
 383 {
 384         static const gint initial_max = 1024;
 385         struct SaveToBufferData sdata;
 386
 387         *buffer = NULL;
 388         *buffer_size = 0;
 389
 390         sdata.buffer = (gchar *) g_malloc (initial_max);
 391         sdata.max = initial_max;
 392         sdata.len = 0;
 393
 394         if (! poppler_attachment_save_to_callback (attachment,
 395                                                    attachment_save_to_buffer_callback,
 396                                                    &sdata,
 397                                                    error)) {
 398                 g_free (sdata.buffer);
 399                 return FALSE;
 400         }
 401
 402         *buffer = sdata.buffer;
 403         *buffer_size = sdata.len;
 404
 405         return TRUE;
 406 }
 407
 408 static GList *
 409 pdf_document_get_attachments (EvDocument *document)
 410 {
 411         PdfDocument *pdf_document;
 412         GList *attachments;
 413         GList *list;
 414         GList *retval = NULL;
 415
 416         pdf_document = PDF_DOCUMENT (document);
 417
 418         if (!pdf_document_has_attachments (document))
 419                 return NULL;
 420
 421         attachments = poppler_document_get_attachments (pdf_document->document);
 422
 423         for (list = attachments; list; list = list->next) {
 424                 PopplerAttachment *attachment;
 425                 EvAttachment *ev_attachment;
 426                 gchar *data = NULL;
 427                 gsize size;
 428                 GError *error = NULL;
 429
 430                 attachment = (PopplerAttachment *) list->data;
 431
 432                 if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
 433                         ev_attachment = ev_attachment_new (attachment->name,
 434                                                            attachment->description,
 435                                                            attachment->mtime,
 436                                                            attachment->ctime,
 437                                                            size, data);
 438
 439                         retval = g_list_prepend (retval, ev_attachment);
 440                 } else {
 441                         if (error) {
 442                                 g_warning ("%s", error->message);
 443                                 g_error_free (error);
 444
 445                                 g_free (data);
 446                         }
 447                 }
 448
 449                 g_object_unref (attachment);
 450         }
 451
 452         return g_list_reverse (retval);
 453 }
 454
 455 static cairo_surface_t *
 456 pdf_page_render (PopplerPage     *page,
 457                  gint             width,
 458                  gint             height,
 459                  EvRenderContext *rc)
 460 {
 461         cairo_surface_t *surface;
 462
 463 #ifdef HAVE_POPPLER_PAGE_RENDER
 464         cairo_t *cr;
 465
 466         surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
 467                                               width, height);
 468         memset (cairo_image_surface_get_data (surface), 0xff,
 469                 cairo_image_surface_get_height (surface) *
 470                 cairo_image_surface_get_stride (surface));
 471
 472         cr = cairo_create (surface);
 473         switch (rc->rotation) {
 474                 case 90:
 475                         cairo_translate (cr, width, 0);
 476                         break;
 477                 case 180:
 478                         cairo_translate (cr, width, height);
 479                         break;
 480                 case 270:
 481                         cairo_translate (cr, 0, height);
 482                         break;
 483                 default:
 484                         cairo_translate (cr, 0, 0);
 485         }
 486         cairo_scale (cr, rc->scale, rc->scale);
 487         cairo_rotate (cr, rc->rotation * G_PI / 180.0);
 488         poppler_page_render (page, cr);
 489         cairo_destroy (cr);
 490 #else /* HAVE_POPPLER_PAGE_RENDER */
 491         GdkPixbuf *pixbuf;
 492
 493         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
 494                                  FALSE, 8,
 495                                  width, height);
 496
 497         poppler_page_render_to_pixbuf (page,
 498                                        0, 0,
 499                                        width, height,
 500                                        rc->scale,
 501                                        rc->rotation,
 502                                        pixbuf);
 503         surface = ev_document_misc_surface_from_pixbuf (pixbuf);
 504         g_object_unref (pixbuf);
 505 #endif /* HAVE_POPPLER_PAGE_RENDER */
 506
 507         return surface;
 508 }
 509
 510 static cairo_surface_t *
 511 pdf_document_render (EvDocument      *document,
 512                      EvRenderContext *rc)
 513 {
 514         PdfDocument *pdf_document;
 515         double width_points, height_points;
 516         gint width, height;
 517
 518         pdf_document = PDF_DOCUMENT (document);
 519
 520         set_rc_data (pdf_document, rc);
 521
 522         poppler_page_get_size (POPPLER_PAGE (rc->data),
 523                                &width_points, &height_points);
 524
 525         if (rc->rotation == 90 || rc->rotation == 270) {
 526                 width = (int) ((height_points * rc->scale) + 0.5);
 527                 height = (int) ((width_points * rc->scale) + 0.5);
 528         } else {
 529                 width = (int) ((width_points * rc->scale) + 0.5);
 530                 height = (int) ((height_points * rc->scale) + 0.5);
 531         }
 532
 533         return pdf_page_render (POPPLER_PAGE (rc->data),
 534                                 width, height, rc);
 535 }
 536
 537 /* EvDocumentSecurity */
 538
 539 static gboolean
 540 pdf_document_has_document_security (EvDocumentSecurity *document_security)
 541 {
 542         /* FIXME: do we really need to have this? */
 543         return FALSE;
 544 }
 545
 546 static void
 547 pdf_document_set_password (EvDocumentSecurity *document_security,
 548                            const char         *password)
 549 {
 550         PdfDocument *document = PDF_DOCUMENT (document_security);
 551
 552         if (document->password)
 553                 g_free (document->password);
 554
 555         document->password = g_strdup (password);
 556 }
 557
 558 static EvDocumentInfo *
 559 pdf_document_get_info (EvDocument *document)
 560 {
 561         EvDocumentInfo *info;
 562         PopplerPageLayout layout;
 563         PopplerPageMode mode;
 564         PopplerViewerPreferences view_prefs;
 565         PopplerPermissions permissions;
 566
 567         info = g_new0 (EvDocumentInfo, 1);
 568
 569         info->fields_mask = EV_DOCUMENT_INFO_TITLE |
 570                             EV_DOCUMENT_INFO_FORMAT |
 571                             EV_DOCUMENT_INFO_AUTHOR |
 572                             EV_DOCUMENT_INFO_SUBJECT |
 573                             EV_DOCUMENT_INFO_KEYWORDS |
 574                             EV_DOCUMENT_INFO_LAYOUT |
 575                             EV_DOCUMENT_INFO_START_MODE |
 576                             EV_DOCUMENT_INFO_PERMISSIONS |
 577                             EV_DOCUMENT_INFO_UI_HINTS |
 578                             EV_DOCUMENT_INFO_CREATOR |
 579                             EV_DOCUMENT_INFO_PRODUCER |
 580                             EV_DOCUMENT_INFO_CREATION_DATE |
 581                             EV_DOCUMENT_INFO_MOD_DATE |
 582                             EV_DOCUMENT_INFO_LINEARIZED |
 583                             EV_DOCUMENT_INFO_N_PAGES |
 584                             EV_DOCUMENT_INFO_SECURITY |
 585                             EV_DOCUMENT_INFO_PAPER_SIZE;
 586
 587         g_object_get (PDF_DOCUMENT (document)->document,
 588                       "title", &(info->title),
 589                       "format", &(info->format),
 590                       "author", &(info->author),
 591                       "subject", &(info->subject),
 592                       "keywords", &(info->keywords),
 593                       "page-mode", &mode,
 594                       "page-layout", &layout,
 595                       "viewer-preferences", &view_prefs,
 596                       "permissions", &permissions,
 597                       "creator", &(info->creator),
 598                       "producer", &(info->producer),
 599                       "creation-date", &(info->creation_date),
 600                       "mod-date", &(info->modified_date),
 601                       "linearized", &(info->linearized),
 602                       NULL);
 603
 604         pdf_document_get_page_size(document, 0,
 605                                    &(info->paper_width),
 606                                    &(info->paper_height));
 607
 608         // Convert to mm.
 609         info->paper_width = info->paper_width / 72.0f * 25.4f;
 610         info->paper_height = info->paper_height / 72.0f * 25.4f;
 611
 612         switch (layout) {
 613                 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
 614                         info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
 615                         break;
 616                 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
 617                         info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
 618                         break;
 619                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
 620                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
 621                         break;
 622                 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
 623                         info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
 624                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
 625                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
 626                         break;
 627                 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
 628                         info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
 629                         break;
 630                 default:
 631                         break;
 632         }
 633
 634         switch (mode) {
 635                 case POPPLER_PAGE_MODE_NONE:
 636                         info->mode = EV_DOCUMENT_MODE_NONE;
 637                         break;
 638                 case POPPLER_PAGE_MODE_USE_THUMBS:
 639                         info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
 640                         break;
 641                 case POPPLER_PAGE_MODE_USE_OC:
 642                         info->mode = EV_DOCUMENT_MODE_USE_OC;
 643                         break;
 644                 case POPPLER_PAGE_MODE_FULL_SCREEN:
 645                         info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
 646                         break;
 647                 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
 648                         info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
 649                 default:
 650                         break;
 651         }
 652
 653         info->ui_hints = 0;
 654         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
 655                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
 656         }
 657         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
 658                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
 659         }
 660         if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
 661                 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
 662         }
 663         if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
 664                 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
 665         }
 666         if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
 667                 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
 668         }
 669         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
 670                 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
 671         }
 672         if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
 673                 info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
 674         }
 675
 676         info->permissions = 0;
 677         if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
 678                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
 679         }
 680         if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
 681                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
 682         }
 683         if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
 684                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
 685         }
 686         if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
 687                 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
 688         }
 689
 690         info->n_pages = ev_document_get_n_pages (document);
 691
 692         if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
 693                 /* translators: this is the document security state */
 694                 info->security = g_strdup (_("Yes"));
 695         } else {
 696                 /* translators: this is the document security state */
 697                 info->security = g_strdup (_("No"));
 698         }
 699
 700         return info;
 701 }
 702
 703 static void
 704 pdf_document_document_iface_init (EvDocumentIface *iface)
 705 {
 706         iface->save = pdf_document_save;
 707         iface->load = pdf_document_load;
 708         iface->get_n_pages = pdf_document_get_n_pages;
 709         iface->get_page_size = pdf_document_get_page_size;
 710         iface->get_page_label = pdf_document_get_page_label;
 711         iface->has_attachments = pdf_document_has_attachments;
 712         iface->get_attachments = pdf_document_get_attachments;
 713         iface->render = pdf_document_render;
 714         iface->get_info = pdf_document_get_info;
 715 };
 716
 717 static void
 718 pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
 719 {
 720         iface->has_document_security = pdf_document_has_document_security;
 721         iface->set_password = pdf_document_set_password;
 722 }
 723
 724 static gdouble
 725 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
 726 {
 727         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 728         int n_pages;
 729
 730         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
 731
 732         return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
 733 }
 734
 735 static gboolean
 736 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
 737                          int              n_pages)
 738 {
 739         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 740         gboolean result;
 741
 742         g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
 743
 744         if (pdf_document->font_info == NULL) {
 745                 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
 746         }
 747
 748         if (pdf_document->fonts_iter) {
 749                 poppler_fonts_iter_free (pdf_document->fonts_iter);
 750         }
 751
 752         pdf_document->fonts_scanned_pages += n_pages;
 753
 754         result = poppler_font_info_scan (pdf_document->font_info, n_pages,
 755                                          &pdf_document->fonts_iter);
 756         if (!result) {
 757                 pdf_document->fonts_scanned_pages = 0;
 758                 poppler_font_info_free (pdf_document->font_info);
 759                 pdf_document->font_info = NULL;
 760         }
 761
 762         return result;
 763 }
 764
 765 static const char *
 766 font_type_to_string (PopplerFontType type)
 767 {
 768         switch (type) {
 769                 case POPPLER_FONT_TYPE_TYPE1:
 770                         return _("Type 1");
 771                 case POPPLER_FONT_TYPE_TYPE1C:
 772                         return _("Type 1C");
 773                 case POPPLER_FONT_TYPE_TYPE3:
 774                         return _("Type 3");
 775                 case POPPLER_FONT_TYPE_TRUETYPE:
 776                         return _("TrueType");
 777                 case POPPLER_FONT_TYPE_CID_TYPE0:
 778                         return _("Type 1 (CID)");
 779                 case POPPLER_FONT_TYPE_CID_TYPE0C:
 780                         return _("Type 1C (CID)");
 781                 case POPPLER_FONT_TYPE_CID_TYPE2:
 782                         return _("TrueType (CID)");
 783                 default:
 784                         return _("Unknown font type");
 785         }
 786 }
 787
 788 static void
 789 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
 790                                GtkTreeModel    *model)
 791 {
 792         PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
 793         PopplerFontsIter *iter = pdf_document->fonts_iter;
 794
 795         g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
 796
 797         if (!iter)
 798                 return;
 799
 800         do {
 801                 GtkTreeIter list_iter;
 802                 const char *name;
 803                 const char *type;
 804                 const char *embedded;
 805                 char *details;
 806
 807                 name = poppler_fonts_iter_get_name (iter);
 808
 809                 if (name == NULL) {
 810                         name = _("No name");
 811                 }
 812
 813                 type = font_type_to_string (
 814                         poppler_fonts_iter_get_font_type (iter));
 815
 816                 if (poppler_fonts_iter_is_embedded (iter)) {
 817                         if (poppler_fonts_iter_is_subset (iter))
 818                                 embedded = _("Embedded subset");
 819                         else
 820                                 embedded = _("Embedded");
 821                 } else {
 822                         embedded = _("Not embedded");
 823                 }
 824
 825                 details = g_markup_printf_escaped ("%s\n%s", type, embedded);
 826
 827                 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
 828                 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
 829                                     EV_DOCUMENT_FONTS_COLUMN_NAME, name,
 830                                     EV_DOCUMENT_FONTS_COLUMN_DETAILS, details,
 831                                     -1);
 832
 833                 g_free (details);
 834         } while (poppler_fonts_iter_next (iter));
 835 }
 836
 837 static void
 838 pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface)
 839 {
 840         iface->fill_model = pdf_document_fonts_fill_model;
 841         iface->scan = pdf_document_fonts_scan;
 842         iface->get_progress = pdf_document_fonts_get_progress;
 843 }
 844
 845 static gboolean
 846 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
 847 {
 848         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
 849         PopplerIndexIter *iter;
 850
 851         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
 852
 853         iter = poppler_index_iter_new (pdf_document->document);
 854         if (iter == NULL)
 855                 return FALSE;
 856         poppler_index_iter_free (iter);
 857
 858         return TRUE;
 859 }
 860
 861 static EvLinkDest *
 862 ev_link_dest_from_dest (PdfDocument *pdf_document,
 863                         PopplerDest *dest)
 864 {
 865         EvLinkDest *ev_dest = NULL;
 866         const char *unimplemented_dest = NULL;
 867
 868         g_assert (dest != NULL);
 869
 870         switch (dest->type) {
 871                 case POPPLER_DEST_XYZ: {
 872                         PopplerPage *poppler_page;
 873                         double height;
 874
 875                         poppler_page = poppler_document_get_page (pdf_document->document,
 876                                                                   MAX (0, dest->page_num - 1));
 877                         poppler_page_get_size (poppler_page, NULL, &height);
 878                         ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
 879                                                         dest->left,
 880                                                         height - dest->top,
 881                                                         dest->zoom,
 882                                                         dest->change_left,
 883                                                         dest->change_top,
 884                                                         dest->change_zoom);
 885                         g_object_unref (poppler_page);
 886                 }
 887                         break;
 888                 case POPPLER_DEST_FIT:
 889                         ev_dest = ev_link_dest_new_fit (dest->page_num - 1);
 890                         break;
 891                 case POPPLER_DEST_FITH: {
 892                         PopplerPage *poppler_page;
 893                         double height;
 894
 895                         poppler_page = poppler_document_get_page (pdf_document->document,
 896                                                                   MAX (0, dest->page_num - 1));
 897                         poppler_page_get_size (poppler_page, NULL, &height);
 898                         ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
 899                                                          height - dest->top,
 900                                                          dest->change_top);
 901                         g_object_unref (poppler_page);
 902                 }
 903                         break;
 904                 case POPPLER_DEST_FITV:
 905                         ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
 906                                                          dest->left,
 907                                                          dest->change_left);
 908                         break;
 909                 case POPPLER_DEST_FITR: {
 910                         PopplerPage *poppler_page;
 911                         double height;
 912
 913                         poppler_page = poppler_document_get_page (pdf_document->document,
 914                                                                   MAX (0, dest->page_num - 1));
 915                         poppler_page_get_size (poppler_page, NULL, &height);
 916                         ev_dest = ev_link_dest_new_fitr (dest->page_num - 1,
 917                                                          dest->left,
 918                                                          height - dest->bottom,
 919                                                          dest->right,
 920                                                          height - dest->top);
 921                         g_object_unref (poppler_page);
 922                 }
 923                         break;
 924                 case POPPLER_DEST_FITB:
 925                         unimplemented_dest = "POPPLER_DEST_FITB";
 926                         break;
 927                 case POPPLER_DEST_FITBH:
 928                         unimplemented_dest = "POPPLER_DEST_FITBH";
 929                         break;
 930                 case POPPLER_DEST_FITBV:
 931                         unimplemented_dest = "POPPLER_DEST_FITBV";
 932                         break;
 933                 case POPPLER_DEST_NAMED:
 934                         ev_dest = ev_link_dest_new_named (dest->named_dest);
 935                         break;
 936                 case POPPLER_DEST_UNKNOWN:
 937                         unimplemented_dest = "POPPLER_DEST_UNKNOWN";
 938                         break;
 939         }
 940
 941         if (unimplemented_dest) {
 942                 g_warning ("Unimplemented destination: %s, please post a "
 943                            "bug report in Evince bugzilla "
 944                            "(http://bugzilla.gnome.org) with a testcase.",
 945                            unimplemented_dest);
 946         }
 947
 948         if (!ev_dest)
 949                 ev_dest = ev_link_dest_new_page (dest->page_num - 1);
 950
 951         return ev_dest;
 952 }
 953
 954 static EvLink *
 955 ev_link_from_action (PdfDocument   *pdf_document,
 956                      PopplerAction *action)
 957 {
 958         EvLink       *link = NULL;
 959         EvLinkAction *ev_action = NULL;
 960         const char   *unimplemented_action = NULL;
 961
 962         switch (action->type) {
 963                 case POPPLER_ACTION_GOTO_DEST: {
 964                         EvLinkDest *dest;
 965
 966                         dest = ev_link_dest_from_dest (pdf_document, action->goto_dest.dest);
 967                         ev_action = ev_link_action_new_dest (dest);
 968                 }
 969                         break;
 970                 case POPPLER_ACTION_GOTO_REMOTE: {
 971                         EvLinkDest *dest;
 972
 973                         dest = ev_link_dest_from_dest (pdf_document, action->goto_remote.dest);
 974                         ev_action = ev_link_action_new_remote (dest,
 975                                                                action->goto_remote.file_name);
 976
 977                 }
 978                         break;
 979                 case POPPLER_ACTION_LAUNCH:
 980                         ev_action = ev_link_action_new_launch (action->launch.file_name,
 981                                                                action->launch.params);
 982                         break;
 983                 case POPPLER_ACTION_URI:
 984                         ev_action = ev_link_action_new_external_uri (action->uri.uri);
 985                         break;
 986                 case POPPLER_ACTION_NAMED:
 987                         ev_action = ev_link_action_new_named (action->named.named_dest);
 988                         break;
 989                 case POPPLER_ACTION_MOVIE:
 990                         unimplemented_action = "POPPLER_ACTION_MOVIE";
 991                         break;
 992                 case POPPLER_ACTION_UNKNOWN:
 993                         unimplemented_action = "POPPLER_ACTION_UNKNOWN";
 994         }
 995
 996         if (unimplemented_action) {
 997                 g_warning ("Unimplemented action: %s, please post a bug report "
 998                            "in Evince bugzilla (http://bugzilla.gnome.org) "
 999                            "with a testcase.", unimplemented_action);
1000         }
1001
1002         link = ev_link_new (action->any.title, ev_action);
1003
1004         return link;
1005 }
1006
1007 static void
1008 build_tree (PdfDocument      *pdf_document,
1009             GtkTreeModel     *model,
1010             GtkTreeIter      *parent,
1011             PopplerIndexIter *iter)
1012 {
1013
1014         do {
1015                 GtkTreeIter tree_iter;
1016                 PopplerIndexIter *child;
1017                 PopplerAction *action;
1018                 EvLink *link = NULL;
1019                 gboolean expand;
1020                 char *title_markup;
1021
1022                 action = poppler_index_iter_get_action (iter);
1023                 expand = poppler_index_iter_is_open (iter);
1024
1025                 if (!action)
1026                         continue;
1027
1028                 switch (action->type) {
1029                         case POPPLER_ACTION_GOTO_DEST: {
1030                                 /* For bookmarks, solve named destinations */
1031                                 if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
1032                                         PopplerDest *dest;
1033                                         EvLinkDest *ev_dest = NULL;
1034                                         EvLinkAction *ev_action;
1035
1036                                         dest = poppler_document_find_dest (pdf_document->document,
1037                                                                            action->goto_dest.dest->named_dest);
1038                                         if (!dest) {
1039                                                 link = ev_link_from_action (pdf_document, action);
1040                                                 break;
1041                                         }
1042
1043                                         ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1044                                         poppler_dest_free (dest);
1045
1046                                         ev_action = ev_link_action_new_dest (ev_dest);
1047                                         link = ev_link_new (action->any.title, ev_action);
1048                                 } else {
1049                                         link = ev_link_from_action (pdf_document, action);
1050                                 }
1051                         }
1052                                 break;
1053                         default:
1054                                 link = ev_link_from_action (pdf_document, action);
1055                                 break;
1056                 }
1057
1058                 if (!link || strlen (ev_link_get_title (link)) <= 0) {
1059                         poppler_action_free (action);
1060                         if (link)
1061                                 g_object_unref (link);
1062
1063                         continue;
1064                 }
1065
1066                 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
1067                 title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
1068
1069                 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
1070                                     EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
1071                                     EV_DOCUMENT_LINKS_COLUMN_LINK, link,
1072                                     EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
1073                                     -1);
1074
1075                 g_free (title_markup);
1076                 g_object_unref (link);
1077
1078                 child = poppler_index_iter_get_child (iter);
1079                 if (child)
1080                         build_tree (pdf_document, model, &tree_iter, child);
1081                 poppler_index_iter_free (child);
1082                 poppler_action_free (action);
1083
1084         } while (poppler_index_iter_next (iter));
1085 }
1086
1087 static GtkTreeModel *
1088 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
1089 {
1090         PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
1091         GtkTreeModel *model = NULL;
1092         PopplerIndexIter *iter;
1093
1094         g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
1095
1096         iter = poppler_index_iter_new (pdf_document->document);
1097         /* Create the model if we have items*/
1098         if (iter != NULL) {
1099                 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
1100                                                              G_TYPE_STRING,
1101                                                              G_TYPE_OBJECT,
1102                                                              G_TYPE_BOOLEAN,
1103                                                              G_TYPE_STRING);
1104                 build_tree (pdf_document, model, NULL, iter);
1105                 poppler_index_iter_free (iter);
1106         }
1107
1108         return model;
1109 }
1110
1111 static GList *
1112 pdf_document_links_get_links (EvDocumentLinks *document_links,
1113                               gint             page)
1114 {
1115         PdfDocument *pdf_document;
1116         PopplerPage *poppler_page;
1117         GList *retval = NULL;
1118         GList *mapping_list;
1119         GList *list;
1120         double height;
1121
1122         pdf_document = PDF_DOCUMENT (document_links);
1123         poppler_page = poppler_document_get_page (pdf_document->document,
1124                                                   page);
1125         mapping_list = poppler_page_get_link_mapping (poppler_page);
1126         poppler_page_get_size (poppler_page, NULL, &height);
1127
1128         for (list = mapping_list; list; list = list->next) {
1129                 PopplerLinkMapping *link_mapping;
1130                 EvLinkMapping *ev_link_mapping;
1131
1132                 link_mapping = (PopplerLinkMapping *)list->data;
1133                 ev_link_mapping = g_new (EvLinkMapping, 1);
1134                 ev_link_mapping->link = ev_link_from_action (pdf_document,
1135                                                              link_mapping->action);
1136                 ev_link_mapping->x1 = link_mapping->area.x1;
1137                 ev_link_mapping->x2 = link_mapping->area.x2;
1138                 /* Invert this for X-style coordinates */
1139                 ev_link_mapping->y1 = height - link_mapping->area.y2;
1140                 ev_link_mapping->y2 = height - link_mapping->area.y1;
1141
1142                 retval = g_list_prepend (retval, ev_link_mapping);
1143         }
1144
1145         poppler_page_free_link_mapping (mapping_list);
1146         g_object_unref (poppler_page);
1147
1148         return g_list_reverse (retval);
1149 }
1150
1151 static EvLinkDest *
1152 pdf_document_links_find_link_dest (EvDocumentLinks  *document_links,
1153                                    const gchar      *link_name)
1154 {
1155         PdfDocument *pdf_document;
1156         PopplerDest *dest;
1157         EvLinkDest *ev_dest = NULL;
1158
1159         pdf_document = PDF_DOCUMENT (document_links);
1160         dest = poppler_document_find_dest (pdf_document->document,
1161                                            link_name);
1162         if (dest) {
1163                 ev_dest = ev_link_dest_from_dest (pdf_document, dest);
1164                 poppler_dest_free (dest);
1165         }
1166
1167         return ev_dest;
1168 }
1169
1170 static void
1171 pdf_document_document_links_iface_init (EvDocumentLinksIface *iface)
1172 {
1173         iface->has_document_links = pdf_document_links_has_document_links;
1174         iface->get_links_model = pdf_document_links_get_links_model;
1175         iface->get_links = pdf_document_links_get_links;
1176         iface->find_link_dest = pdf_document_links_find_link_dest;
1177 }
1178
1179 static GList *
1180 pdf_document_images_get_image_mapping (EvDocumentImages *document_images,
1181                                        gint              page)
1182 {
1183         GList *retval = NULL;
1184         PdfDocument *pdf_document;
1185         PopplerPage *poppler_page;
1186         GList *mapping_list;
1187         GList *list;
1188
1189         pdf_document = PDF_DOCUMENT (document_images);
1190         poppler_page = poppler_document_get_page (pdf_document->document, page);
1191         mapping_list = poppler_page_get_image_mapping (poppler_page);
1192
1193         for (list = mapping_list; list; list = list->next) {
1194                 PopplerImageMapping *image_mapping;
1195                 EvImageMapping *ev_image_mapping;
1196
1197                 image_mapping = (PopplerImageMapping *)list->data;
1198
1199                 ev_image_mapping = g_new (EvImageMapping, 1);
1200 #ifdef HAVE_POPPLER_PAGE_GET_IMAGE
1201                 ev_image_mapping->image = ev_image_new (page, image_mapping->image_id);
1202 #elif POPPLER_HAS_CAIRO
1203                 ev_image_mapping->image = ev_image_new_from_pixbuf (image_mapping->image);
1204 #endif
1205                 ev_image_mapping->x1 = image_mapping->area.x1;
1206                 ev_image_mapping->x2 = image_mapping->area.x2;
1207                 ev_image_mapping->y1 = image_mapping->area.y1;
1208                 ev_image_mapping->y2 = image_mapping->area.y2;
1209
1210                 retval = g_list_prepend (retval, ev_image_mapping);
1211         }
1212
1213         poppler_page_free_image_mapping (mapping_list);
1214         g_object_unref (poppler_page);
1215
1216         return g_list_reverse (retval);
1217 }
1218
1219 GdkPixbuf *
1220 pdf_document_images_get_image (EvDocumentImages *document_images,
1221                                EvImage          *image)
1222 {
1223 #ifdef HAVE_POPPLER_PAGE_GET_IMAGE
1224         PdfDocument     *pdf_document;
1225         PopplerPage     *poppler_page;
1226         cairo_surface_t *surface;
1227         GdkPixbuf       *retval = NULL;
1228
1229         pdf_document = PDF_DOCUMENT (document_images);
1230         poppler_page = poppler_document_get_page (pdf_document->document,
1231                                                   ev_image_get_page (image));
1232
1233         surface = poppler_page_get_image (poppler_page, ev_image_get_id (image));
1234         if (surface) {
1235                 retval = ev_document_misc_pixbuf_from_surface (surface);
1236                 cairo_surface_destroy (surface);
1237         }
1238
1239         g_object_unref (poppler_page);
1240
1241         return retval;
1242 #else
1243         return GDK_PIXBUF (g_object_ref (ev_image_get_pixbuf (image)));
1244 #endif /* HAVE_POPPLER_PAGE_GET_IMAGE */
1245 }
1246
1247 static void
1248 pdf_document_document_images_iface_init (EvDocumentImagesIface *iface)
1249 {
1250         iface->get_image_mapping = pdf_document_images_get_image_mapping;
1251         iface->get_image = pdf_document_images_get_image;
1252 }
1253
1254 static GdkPixbuf *
1255 make_thumbnail_for_page (PdfDocument     *pdf_document,
1256                          PopplerPage     *poppler_page,
1257                          EvRenderContext *rc)
1258 {
1259         GdkPixbuf *pixbuf;
1260         int width, height;
1261
1262         pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document),
1263                                                 rc, &width, &height);
1264 #ifdef POPPLER_HAS_GDK
1265         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
1266                                  width, height);
1267         gdk_pixbuf_fill (pixbuf, 0xffffffff);
1268
1269         ev_document_fc_mutex_lock ();
1270         poppler_page_render_to_pixbuf (poppler_page, 0, 0,
1271                                        width, height,
1272                                        rc->scale, rc->rotation, pixbuf);
1273         ev_document_fc_mutex_unlock ();
1274 #else
1275         cairo_surface_t *surface;
1276
1277         ev_document_fc_mutex_lock ();
1278         surface = pdf_page_render (poppler_page, width, height, rc);
1279         ev_document_fc_mutex_unlock ();
1280
1281         pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1282         cairo_surface_destroy (surface);
1283 #endif /* POPPLER_HAS_GDK */
1284
1285         return pixbuf;
1286 }
1287
1288 static GdkPixbuf *
1289 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
1290                                        EvRenderContext      *rc,
1291                                        gboolean              border)
1292 {
1293         PdfDocument *pdf_document;
1294         PopplerPage *poppler_page;
1295         GdkPixbuf *pixbuf = NULL;
1296         GdkPixbuf *border_pixbuf;
1297
1298         pdf_document = PDF_DOCUMENT (document_thumbnails);
1299
1300         poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
1301         g_return_val_if_fail (poppler_page != NULL, NULL);
1302
1303 #if POPPLER_MAJOR_VERSION <= 6 || (POPPLER_MAJOR_VERSION == 7 && POPPLER_MINOR_VERSION < 2)
1304         pixbuf = poppler_page_get_thumbnail (poppler_page);
1305 #else
1306 #ifdef POPPLER_HAS_GDK
1307         pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page);
1308 #else
1309         cairo_surface_t *surface;
1310
1311         surface = poppler_page_get_thumbnail (poppler_page);
1312         if (surface) {
1313                 pixbuf = ev_document_misc_pixbuf_from_surface (surface);
1314                 cairo_surface_destroy (surface);
1315         }
1316 #endif
1317 #endif
1318
1319         if (pixbuf) {
1320                 /* Rotate provided thumbnail if needed */
1321                 GdkPixbuf *rotated_pixbuf;
1322
1323                 rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
1324                                                            (GdkPixbufRotation) (360 - rc->rotation));
1325                 g_object_unref (pixbuf);
1326                 pixbuf = rotated_pixbuf;
1327         } else {
1328                 /* There is no provided thumbnail.  We need to make one. */
1329                 pixbuf = make_thumbnail_for_page (pdf_document, poppler_page, rc);
1330         }
1331
1332         if (border) {
1333                 border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
1334                 g_object_unref (pixbuf);
1335                 pixbuf = border_pixbuf;
1336         }
1337
1338         g_object_unref (poppler_page);
1339
1340         return pixbuf;
1341 }
1342
1343 static void
1344 pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
1345                                         EvRenderContext      *rc,
1346                                         gint                 *width,
1347                                         gint                 *height)
1348 {
1349         PdfDocument *pdf_document;
1350         PopplerPage *poppler_page;
1351         gint has_thumb;
1352
1353         pdf_document = PDF_DOCUMENT (document_thumbnails);
1354         poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
1355
1356         g_return_if_fail (poppler_page != NULL);
1357
1358         has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
1359
1360         if (!has_thumb) {
1361                 double page_width, page_height;
1362
1363                 poppler_page_get_size (poppler_page, &page_width, &page_height);
1364
1365                 *width = (gint) MAX (page_width * rc->scale, 1);
1366                 *height = (gint) MAX (page_height * rc->scale, 1);
1367         }
1368
1369         if (rc->rotation == 90 || rc->rotation == 270) {
1370                 gint  temp;
1371
1372                 temp = *width;
1373                 *width = *height;
1374                 *height = temp;
1375         }
1376
1377         g_object_unref (poppler_page);
1378 }
1379
1380 static void
1381 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
1382 {
1383         iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
1384         iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
1385 }
1386
1387
1388 static gboolean
1389 pdf_document_search_idle_callback (void *data)
1390 {
1391         PdfDocumentSearch *search = (PdfDocumentSearch*) data;
1392         PdfDocument *pdf_document = search->document;
1393         int n_pages;
1394         GList *matches;
1395         PopplerPage *page;
1396
1397         page = poppler_document_get_page (search->document->document,
1398                                           search->search_page);
1399
1400         ev_document_doc_mutex_lock ();
1401         matches = poppler_page_find_text (page, search->text);
1402         ev_document_doc_mutex_unlock ();
1403
1404         g_object_unref (page);
1405
1406         search->pages[search->search_page] = matches;
1407         ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
1408                                   search->search_page);
1409
1410         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
1411         search->search_page += 1;
1412         if (search->search_page == n_pages) {
1413                 /* wrap around */
1414                 search->search_page = 0;
1415         }
1416
1417         if (search->search_page != search->start_page) {
1418                 return TRUE;
1419         }
1420
1421         /* We're done. */
1422         search->idle = 0; /* will return FALSE to remove */
1423         return FALSE;
1424 }
1425
1426
1427 static PdfDocumentSearch *
1428 pdf_document_search_new (PdfDocument *pdf_document,
1429                          int          start_page,
1430                          const char  *text)
1431 {
1432         PdfDocumentSearch *search;
1433         int n_pages;
1434         int i;
1435
1436         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
1437
1438         search = g_new0 (PdfDocumentSearch, 1);
1439
1440         search->text = g_strdup (text);
1441         search->pages = g_new0 (GList *, n_pages);
1442         search->document = pdf_document;
1443
1444         /* We add at low priority so the progress bar repaints */
1445         search->idle = g_idle_add_full (G_PRIORITY_LOW,
1446                                         pdf_document_search_idle_callback,
1447                                         search,
1448                                         NULL);
1449
1450         search->start_page = start_page;
1451         search->search_page = start_page;
1452
1453         return search;
1454 }
1455
1456 static void
1457 pdf_document_find_begin (EvDocumentFind   *document,
1458                          int               page,
1459                          const char       *search_string,
1460                          gboolean          case_sensitive)
1461 {
1462         PdfDocument *pdf_document = PDF_DOCUMENT (document);
1463
1464         /* FIXME handle case_sensitive (right now XPDF
1465          * code is always case insensitive for ASCII
1466          * and case sensitive for all other languaages)
1467          */
1468
1469         if (pdf_document->search &&
1470             strcmp (search_string, pdf_document->search->text) == 0)
1471                 return;
1472
1473         if (pdf_document->search)
1474                 pdf_document_search_free (pdf_document->search);
1475
1476         pdf_document->search = pdf_document_search_new (pdf_document,
1477                                                         page,
1478                                                         search_string);
1479 }
1480
1481 static int
1482 pdf_document_find_get_n_results (EvDocumentFind *document_find, int page)
1483 {
1484         PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
1485
1486         if (search) {
1487                 return g_list_length (search->pages[page]);
1488         } else {
1489                 return 0;
1490         }
1491 }
1492
1493 static gboolean
1494 pdf_document_find_get_result (EvDocumentFind *document_find,
1495                               int             page,
1496                               int             n_result,
1497                               EvRectangle    *rectangle)
1498 {
1499         PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
1500         PdfDocumentSearch *search = pdf_document->search;
1501         PopplerPage *poppler_page;
1502         PopplerRectangle *r;
1503         double height;
1504
1505         if (search == NULL)
1506                 return FALSE;
1507
1508         r = (PopplerRectangle *) g_list_nth_data (search->pages[page],
1509                                                   n_result);
1510         if (r == NULL)
1511                 return FALSE;
1512
1513         poppler_page = poppler_document_get_page (pdf_document->document, page);
1514         poppler_page_get_size (poppler_page, NULL, &height);
1515         rectangle->x1 = r->x1;
1516         rectangle->y1 = height - r->y2;
1517         rectangle->x2 = r->x2;
1518         rectangle->y2 = height - r->y1;
1519         g_object_unref (poppler_page);
1520
1521         return TRUE;
1522 }
1523
1524 static int
1525 pdf_document_find_page_has_results (EvDocumentFind *document_find,
1526                                     int             page)
1527 {
1528         PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
1529
1530         return search && search->pages[page] != NULL;
1531 }
1532
1533 static double
1534 pdf_document_find_get_progress (EvDocumentFind *document_find)
1535 {
1536         PdfDocumentSearch *search;
1537         int n_pages, pages_done;
1538
1539         search = PDF_DOCUMENT (document_find)->search;
1540
1541         if (search == NULL) {
1542                 return 0;
1543         }
1544
1545         n_pages = pdf_document_get_n_pages (EV_DOCUMENT (document_find));
1546         if (search->search_page > search->start_page) {
1547                 pages_done = search->search_page - search->start_page + 1;
1548         } else if (search->search_page == search->start_page) {
1549                 pages_done = n_pages;
1550         } else {
1551                 pages_done = n_pages - search->start_page + search->search_page;
1552         }
1553
1554         return pages_done / (double) n_pages;
1555 }
1556
1557 static void
1558 pdf_document_find_cancel (EvDocumentFind *document)
1559 {
1560         PdfDocument *pdf_document = PDF_DOCUMENT (document);
1561
1562         if (pdf_document->search) {
1563                 pdf_document_search_free (pdf_document->search);
1564                 pdf_document->search = NULL;
1565         }
1566 }
1567
1568 static void
1569 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1570 {
1571         iface->begin = pdf_document_find_begin;
1572         iface->get_n_results = pdf_document_find_get_n_results;
1573         iface->get_result = pdf_document_find_get_result;
1574         iface->page_has_results = pdf_document_find_page_has_results;
1575         iface->get_progress = pdf_document_find_get_progress;
1576         iface->cancel = pdf_document_find_cancel;
1577 }
1578
1579 static void
1580 pdf_print_context_free (PdfPrintContext *ctx)
1581 {
1582         if (!ctx)
1583                 return;
1584
1585 #ifdef HAVE_CAIRO_PRINT
1586         if (ctx->cr) {
1587                 cairo_destroy (ctx->cr);
1588                 ctx->cr = NULL;
1589         }
1590 #else
1591         if (ctx->ps_file) {
1592                 poppler_ps_file_free (ctx->ps_file);
1593                 ctx->ps_file = NULL;
1594         }
1595 #endif
1596         g_free (ctx);
1597 }
1598
1599 static void
1600 pdf_document_file_exporter_begin (EvFileExporter        *exporter,
1601                                   EvFileExporterContext *fc)
1602 {
1603         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1604         PdfPrintContext *ctx;
1605 #ifdef HAVE_CAIRO_PRINT
1606         gdouble width, height;
1607         cairo_surface_t *surface = NULL;
1608 #endif
1609
1610         if (pdf_document->print_ctx)
1611                 pdf_print_context_free (pdf_document->print_ctx);
1612         pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
1613         ctx = pdf_document->print_ctx;
1614         ctx->format = fc->format;
1615
1616 #ifdef HAVE_CAIRO_PRINT
1617         ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
1618
1619         ctx->paper_width = fc->paper_width;
1620         ctx->paper_height = fc->paper_height;
1621
1622         switch (fc->pages_per_sheet) {
1623                 default:
1624                 case 1:
1625                         ctx->pages_x = 1;
1626                         ctx->pages_y = 1;
1627                         break;
1628                 case 2:
1629                         ctx->pages_x = 1;
1630                         ctx->pages_y = 2;
1631                         break;
1632                 case 4:
1633                         ctx->pages_x = 2;
1634                         ctx->pages_y = 2;
1635                         break;
1636                 case 6:
1637                         ctx->pages_x = 2;
1638                         ctx->pages_y = 3;
1639                         break;
1640                 case 9:
1641                         ctx->pages_x = 3;
1642                         ctx->pages_y = 3;
1643                         break;
1644                 case 16:
1645                         ctx->pages_x = 4;
1646                         ctx->pages_y = 4;
1647                         break;
1648         }
1649
1650         ctx->pages_printed = 0;
1651
1652         switch (fc->format) {
1653                 case EV_FILE_FORMAT_PS:
1654 #ifdef HAVE_CAIRO_PS
1655                         surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1656 #endif
1657                         break;
1658                 case EV_FILE_FORMAT_PDF:
1659 #ifdef HAVE_CAIRO_PDF
1660                         surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
1661 #endif
1662                         break;
1663                 default:
1664                         g_assert_not_reached ();
1665         }
1666
1667         ctx->cr = cairo_create (surface);
1668         cairo_surface_destroy (surface);
1669
1670 #else /* HAVE_CAIRO_PRINT */
1671         if (ctx->format == EV_FILE_FORMAT_PS) {
1672                 ctx->ps_file = poppler_ps_file_new (pdf_document->document,
1673                                                     fc->filename, fc->first_page,
1674                                                     fc->last_page - fc->first_page + 1);
1675                 poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
1676                 poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
1677         }
1678 #endif /* HAVE_CAIRO_PRINT */
1679 }
1680
1681 static void
1682 pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
1683 {
1684         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1685         PdfPrintContext *ctx = pdf_document->print_ctx;
1686
1687         g_return_if_fail (pdf_document->print_ctx != NULL);
1688
1689         ctx->pages_printed = 0;
1690
1691 #ifdef HAVE_CAIRO_PRINT
1692         if (ctx->paper_width > ctx->paper_height) {
1693                 if (ctx->format == EV_FILE_FORMAT_PS) {
1694                         cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
1695                                                    ctx->paper_height,
1696                                                    ctx->paper_width);
1697                 } else if (ctx->format == EV_FILE_FORMAT_PDF) {
1698                         cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
1699                                                     ctx->paper_height,
1700                                                     ctx->paper_width);
1701                 }
1702         }
1703 #endif /* HAVE_CAIRO_PRINT */
1704 }
1705
1706 static void
1707 pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
1708                                     EvRenderContext *rc)
1709 {
1710         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1711         PdfPrintContext *ctx = pdf_document->print_ctx;
1712         PopplerPage *poppler_page;
1713 #ifdef HAVE_CAIRO_PRINT
1714         gdouble  page_width, page_height;
1715         gint     x, y;
1716         gboolean rotate;
1717         gdouble  width, height;
1718         gdouble  pwidth, pheight;
1719         gdouble  xscale, yscale;
1720 #endif
1721
1722         g_return_if_fail (pdf_document->print_ctx != NULL);
1723
1724         poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
1725
1726 #ifdef HAVE_CAIRO_PRINT
1727         x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
1728         y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
1729         poppler_page_get_size (poppler_page, &page_width, &page_height);
1730
1731         if (page_width > page_height && page_width > ctx->paper_width) {
1732                 rotate = TRUE;
1733         } else {
1734                 rotate = FALSE;
1735         }
1736
1737         /* Use always portrait mode and rotate when necessary */
1738         if (ctx->paper_width > ctx->paper_height) {
1739                 width = ctx->paper_height;
1740                 height = ctx->paper_width;
1741                 rotate = !rotate;
1742         } else {
1743                 width = ctx->paper_width;
1744                 height = ctx->paper_height;
1745         }
1746
1747         if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
1748                 rotate = !rotate;
1749         }
1750
1751         if (rotate) {
1752                 gint tmp1;
1753                 gdouble tmp2;
1754
1755                 tmp1 = x;
1756                 x = y;
1757                 y = tmp1;
1758
1759                 tmp2 = page_width;
1760                 page_width = page_height;
1761                 page_height = tmp2;
1762         }
1763
1764         pwidth = width / ctx->pages_x;
1765         pheight = height / ctx->pages_y;
1766
1767         if ((page_width > pwidth || page_height > pheight) ||
1768             (page_width < pwidth && page_height < pheight)) {
1769                 xscale = pwidth / page_width;
1770                 yscale = pheight / page_height;
1771
1772                 if (yscale < xscale) {
1773                         xscale = yscale;
1774                 } else {
1775                         yscale = xscale;
1776                 }
1777
1778         } else {
1779                 xscale = yscale = 1;
1780         }
1781
1782         /* TODO: center */
1783
1784         cairo_save (ctx->cr);
1785         if (rotate) {
1786                 cairo_matrix_t matrix;
1787
1788                 cairo_translate (ctx->cr, (2 * y + 1) * pwidth, 0);
1789                 cairo_matrix_init (&matrix,
1790                                    0,  1,
1791                                    -1,  0,
1792                                    0,  0);
1793                 cairo_transform (ctx->cr, &matrix);
1794         }
1795
1796         cairo_translate (ctx->cr,
1797                          x * (rotate ? pheight : pwidth),
1798                          y * (rotate ? pwidth : pheight));
1799         cairo_scale (ctx->cr, xscale, yscale);
1800
1801 #ifdef HAVE_POPPLER_PAGE_RENDER_FOR_PRINTING
1802         poppler_page_render_for_printing (poppler_page, ctx->cr);
1803 #else
1804 #ifdef HAVE_POPPLER_PAGE_RENDER
1805         poppler_page_render (poppler_page, ctx->cr);
1806 #endif
1807 #endif
1808
1809         ctx->pages_printed++;
1810
1811         cairo_restore (ctx->cr);
1812 #else /* HAVE_CAIRO_PRINT */
1813         if (ctx->format == EV_FILE_FORMAT_PS)
1814                 poppler_page_render_to_ps (poppler_page, ctx->ps_file);
1815 #endif /* HAVE_CAIRO_PRINT */
1816
1817         g_object_unref (poppler_page);
1818 }
1819
1820 static void
1821 pdf_document_file_exporter_end_page (EvFileExporter *exporter)
1822 {
1823         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1824         PdfPrintContext *ctx = pdf_document->print_ctx;
1825
1826         g_return_if_fail (pdf_document->print_ctx != NULL);
1827
1828 #ifdef HAVE_CAIRO_PRINT
1829         cairo_show_page (ctx->cr);
1830 #endif
1831 }
1832
1833 static void
1834 pdf_document_file_exporter_end (EvFileExporter *exporter)
1835 {
1836         PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1837
1838         pdf_print_context_free (pdf_document->print_ctx);
1839         pdf_document->print_ctx = NULL;
1840 }
1841
1842 static EvFileExporterCapabilities
1843 pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
1844 {
1845         return  (EvFileExporterCapabilities) (
1846                 EV_FILE_EXPORTER_CAN_PAGE_SET |
1847                 EV_FILE_EXPORTER_CAN_COPIES |
1848                 EV_FILE_EXPORTER_CAN_COLLATE |
1849                 EV_FILE_EXPORTER_CAN_REVERSE |
1850                 EV_FILE_EXPORTER_CAN_SCALE |
1851 #ifdef HAVE_CAIRO_PRINT
1852 #ifdef HAVE_POPPLER_PAGE_RENDER
1853 #if GTK_CHECK_VERSION (2, 11, 1)
1854                 EV_FILE_EXPORTER_CAN_NUMBER_UP |
1855 #endif
1856 #endif
1857 #endif
1858
1859 #ifdef HAVE_CAIRO_PDF
1860 #ifdef HAVE_POPPLER_PAGE_RENDER
1861                 EV_FILE_EXPORTER_CAN_GENERATE_PDF |
1862 #endif
1863 #endif
1864                 EV_FILE_EXPORTER_CAN_GENERATE_PS);
1865 }
1866
1867 static void
1868 pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
1869 {
1870         iface->begin = pdf_document_file_exporter_begin;
1871         iface->begin_page = pdf_document_file_exporter_begin_page;
1872         iface->do_page = pdf_document_file_exporter_do_page;
1873         iface->end_page = pdf_document_file_exporter_end_page;
1874         iface->end = pdf_document_file_exporter_end;
1875         iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
1876 }
1877
1878 static void
1879 pdf_selection_render_selection (EvSelection      *selection,
1880                                 EvRenderContext  *rc,
1881                                 cairo_surface_t **surface,
1882                                 EvRectangle      *points,
1883                                 EvRectangle      *old_points,
1884                                 EvSelectionStyle  style,
1885                                 GdkColor         *text,
1886                                 GdkColor         *base)
1887 {
1888         PdfDocument *pdf_document;
1889         double width_points, height_points;
1890         gint width, height;
1891
1892         pdf_document = PDF_DOCUMENT (selection);
1893         set_rc_data (pdf_document, rc);
1894
1895         poppler_page_get_size (POPPLER_PAGE (rc->data),
1896                                &width_points, &height_points);
1897         width = (int) ((width_points * rc->scale) + 0.5);
1898         height = (int) ((height_points * rc->scale) + 0.5);
1899
1900 #ifdef HAVE_POPPLER_PAGE_RENDER
1901         cairo_t *cr;
1902
1903 #if POPPLER_MAJOR_VERSION <= 6 || (POPPLER_MAJOR_VERSION == 7 && POPPLER_MINOR_VERSION < 2)
1904         GdkColor text_color, base_color;
1905
1906         text_color = *text;
1907         base_color = *base;
1908 #else
1909         PopplerColor text_color, base_color;
1910
1911         text_color.red = text->red;
1912         text_color.green = text->green;
1913         text_color.blue = text->blue;
1914
1915         base_color.red = base->red;
1916         base_color.green = base->green;
1917         base_color.blue = base->blue;
1918 #endif
1919
1920         if (*surface == NULL) {
1921                 *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
1922                                                        width, height);
1923
1924         }
1925
1926         cr = cairo_create (*surface);
1927         cairo_scale (cr, rc->scale, rc->scale);
1928         cairo_surface_set_device_offset (*surface, 0, 0);
1929         memset (cairo_image_surface_get_data (*surface), 0x00,
1930                 cairo_image_surface_get_height (*surface) *
1931                 cairo_image_surface_get_stride (*surface));
1932         poppler_page_render_selection (POPPLER_PAGE (rc->data),
1933                                        cr,
1934                                        (PopplerRectangle *)points,
1935                                        (PopplerRectangle *)old_points,
1936                                        (PopplerSelectionStyle)style,
1937                                        &text_color,
1938                                        &base_color);
1939         cairo_destroy (cr);
1940 #else /* HAVE_POPPLER_PAGE_RENDER */
1941         GdkPixbuf *pixbuf;
1942
1943         pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
1944                                  TRUE, 8,
1945                                  width, height);
1946
1947         poppler_page_render_selection_to_pixbuf (POPPLER_PAGE (rc->data),
1948                                                  rc->scale, rc->rotation, pixbuf,
1949                                                  (PopplerRectangle *)points,
1950                                                  (PopplerRectangle *)old_points,
1951                                                  (PopplerSelectionStyle)style,
1952                                                  text,
1953                                                  base);
1954         if (*surface)
1955                 cairo_surface_destroy (*surface);
1956         *surface = ev_document_misc_surface_from_pixbuf (pixbuf);
1957         g_object_unref (pixbuf);
1958 #endif /* HAVE_POPPLER_PAGE_RENDER */
1959 }
1960
1961 static gchar *
1962 pdf_selection_get_selected_text (EvSelection     *selection,
1963                                  EvRenderContext *rc,
1964                                  EvSelectionStyle style,
1965                                  EvRectangle     *points)
1966 {
1967         PdfDocument *pdf_document = PDF_DOCUMENT (selection);
1968         PopplerPage *poppler_page;
1969         PopplerRectangle r;
1970         double height;
1971         char *retval;
1972
1973         poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
1974         g_return_val_if_fail (poppler_page != NULL, NULL);
1975
1976         poppler_page_get_size (poppler_page, NULL, &height);
1977         r.x1 = points->x1;
1978         r.y1 = height - points->y2;
1979         r.x2 = points->x2;
1980         r.y2 = height - points->y1;
1981
1982         retval = poppler_page_get_text (poppler_page,
1983                                         (PopplerSelectionStyle)style,
1984                                         &r);
1985
1986         g_object_unref (poppler_page);
1987
1988         return retval;
1989 }
1990
1991 static GdkRegion *
1992 create_gdk_region_from_poppler_region (GList *region)
1993 {
1994         GList *l;
1995         GdkRegion *retval;
1996
1997         retval = gdk_region_new ();
1998
1999         for (l = region; l; l = g_list_next (l)) {
2000                 PopplerRectangle *rectangle;
2001                 GdkRectangle      rect;
2002
2003                 rectangle = (PopplerRectangle *)l->data;
2004
2005                 rect.x = (gint) rectangle->x1;
2006                 rect.y = (gint) rectangle->y1;
2007                 rect.width  = (gint) (rectangle->x2 - rectangle->x1);
2008                 rect.height = (gint) (rectangle->y2 - rectangle->y1);
2009                 gdk_region_union_with_rect (retval, &rect);
2010
2011                 poppler_rectangle_free (rectangle);
2012         }
2013
2014         return retval;
2015 }
2016
2017 static GdkRegion *
2018 pdf_selection_get_selection_region (EvSelection     *selection,
2019                                     EvRenderContext *rc,
2020                                     EvSelectionStyle style,
2021                                     EvRectangle     *points)
2022 {
2023         PdfDocument *pdf_document;
2024         GdkRegion   *retval;
2025
2026         pdf_document = PDF_DOCUMENT (selection);
2027
2028         set_rc_data (pdf_document, rc);
2029
2030 #if POPPLER_MAJOR_VERSION <= 6 || (POPPLER_MAJOR_VERSION == 7 && POPPLER_MINOR_VERSION < 2)
2031         retval = poppler_page_get_selection_region (POPPLER_PAGE (rc->data),
2032                                                     rc->scale,
2033                                                     (PopplerSelectionStyle)style,
2034                                                     (PopplerRectangle *) points);
2035 #else
2036         GList *region;
2037
2038         region = poppler_page_get_selection_region (POPPLER_PAGE (rc->data),
2039                                                     rc->scale,
2040                                                     (PopplerSelectionStyle)style,
2041                                                     (PopplerRectangle *) points);
2042         retval = create_gdk_region_from_poppler_region (region);
2043         g_list_free (region);
2044 #endif
2045
2046         return retval;
2047 }
2048
2049 static GdkRegion *
2050 pdf_selection_get_selection_map (EvSelection     *selection,
2051                                  EvRenderContext *rc)
2052 {
2053         PdfDocument *pdf_document;
2054         PopplerPage *poppler_page;
2055         PopplerRectangle points;
2056         GList *region;
2057         GdkRegion *retval;
2058
2059         pdf_document = PDF_DOCUMENT (selection);
2060         poppler_page = poppler_document_get_page (pdf_document->document,
2061                                                   rc->page);
2062
2063         points.x1 = 0.0;
2064         points.y1 = 0.0;
2065         poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
2066
2067 #if POPPLER_MAJOR_VERSION <= 6 || (POPPLER_MAJOR_VERSION == 7 && POPPLER_MINOR_VERSION < 2)
2068         retval = poppler_page_get_selection_region (poppler_page, 1.0,
2069                                                     POPPLER_SELECTION_GLYPH,
2070                                                     &points);
2071 #else
2072         region = poppler_page_get_selection_region (poppler_page, 1.0,
2073                                                     POPPLER_SELECTION_GLYPH,
2074                                                     &points);
2075         retval = create_gdk_region_from_poppler_region (region);
2076         g_list_free (region);
2077 #endif
2078         g_object_unref (poppler_page);
2079
2080         return retval;
2081 }
2082
2083 static void
2084 pdf_selection_iface_init (EvSelectionIface *iface)
2085 {
2086         iface->render_selection = pdf_selection_render_selection;
2087         iface->get_selected_text = pdf_selection_get_selected_text;
2088         iface->get_selection_region = pdf_selection_get_selection_region;
2089         iface->get_selection_map = pdf_selection_get_selection_map;
2090 }
2091
2092 /* Page Transitions */
2093 static gdouble
2094 pdf_document_get_page_duration (EvDocumentTransition *trans,
2095                                 gint                  page)
2096 {
2097         PdfDocument *pdf_document;
2098         PopplerPage *poppler_page;
2099         gdouble      duration = -1;
2100
2101         pdf_document = PDF_DOCUMENT (trans);
2102         poppler_page = poppler_document_get_page (pdf_document->document, page);
2103         if (!poppler_page)
2104                 return -1;
2105
2106         duration = poppler_page_get_duration (poppler_page);
2107         g_object_unref (poppler_page);
2108
2109         return duration;
2110 }
2111
2112 static EvTransitionEffect *
2113 pdf_document_get_effect (EvDocumentTransition *trans,
2114                          gint                  page)
2115 {
2116         PdfDocument            *pdf_document;
2117         PopplerPage            *poppler_page;
2118         PopplerPageTransition  *page_transition;
2119         EvTransitionEffect     *effect;
2120
2121         pdf_document = PDF_DOCUMENT (trans);
2122         poppler_page = poppler_document_get_page (pdf_document->document, page);
2123
2124         if (!poppler_page)
2125                 return NULL;
2126
2127         page_transition = poppler_page_get_transition (poppler_page);
2128
2129         if (!page_transition) {
2130                 g_object_unref (poppler_page);
2131                 return NULL;
2132         }
2133
2134         /* enums in PopplerPageTransition match the EvTransitionEffect ones */
2135         effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
2136                                            "alignment", page_transition->alignment,
2137                                            "direction", page_transition->direction,
2138                                            "duration", page_transition->duration,
2139                                            "angle", page_transition->angle,
2140                                            "scale", page_transition->scale,
2141                                            "rectangular", page_transition->rectangular,
2142                                            NULL);
2143
2144         poppler_page_transition_free (page_transition);
2145         g_object_unref (poppler_page);
2146
2147         return effect;
2148 }
2149
2150 static void
2151 pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
2152 {
2153         iface->get_page_duration = pdf_document_get_page_duration;
2154         iface->get_effect = pdf_document_get_effect;
2155 }
2156
2157 /* Forms */
2158 static void
2159 pdf_document_get_crop_box (EvDocument  *document,
2160                            int          page,
2161                            EvRectangle *rect)
2162 {
2163         PdfDocument *pdf_document;
2164         PopplerPage *poppler_page;
2165         PopplerRectangle poppler_rect;
2166
2167         pdf_document = PDF_DOCUMENT (document);
2168         poppler_page = poppler_document_get_page (pdf_document->document, page);
2169         poppler_page_get_crop_box (poppler_page, &poppler_rect);
2170         rect->x1 = poppler_rect.x1;
2171         rect->x2 = poppler_rect.x2;
2172         rect->y1 = poppler_rect.y1;
2173         rect->y2 = poppler_rect.y2;
2174 }
2175
2176 static EvFormField *
2177 ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
2178 {
2179         EvFormField *ev_field = NULL;
2180         gint         id;
2181         gdouble      font_size;
2182         gboolean     is_read_only;
2183
2184         id = poppler_form_field_get_id (poppler_field);
2185         font_size = poppler_form_field_get_font_size (poppler_field);
2186         is_read_only = poppler_form_field_is_read_only (poppler_field);
2187
2188         switch (poppler_form_field_get_field_type (poppler_field)) {
2189                 case POPPLER_FORM_FIELD_TEXT: {
2190                         EvFormFieldText    *field_text;
2191                         EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
2192
2193                         switch (poppler_form_field_text_get_text_type (poppler_field)) {
2194                                 case POPPLER_FORM_TEXT_NORMAL:
2195                                         ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
2196                                         break;
2197                                 case POPPLER_FORM_TEXT_MULTILINE:
2198                                         ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
2199                                         break;
2200                                 case POPPLER_FORM_TEXT_FILE_SELECT:
2201                                         ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
2202                                         break;
2203                         }
2204
2205                         ev_field = ev_form_field_text_new (id, ev_text_type);
2206                         field_text = EV_FORM_FIELD_TEXT (ev_field);
2207
2208                         field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
2209                         field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
2210                         field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
2211                         field_text->is_password = poppler_form_field_text_is_password (poppler_field);
2212                         field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
2213                         field_text->text = poppler_form_field_text_get_text (poppler_field);
2214
2215                 }
2216                         break;
2217                 case POPPLER_FORM_FIELD_BUTTON: {
2218                         EvFormFieldButton    *field_button;
2219                         EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2220
2221                         switch (poppler_form_field_button_get_button_type (poppler_field)) {
2222                                 case POPPLER_FORM_BUTTON_PUSH:
2223                                         ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
2224                                         break;
2225                                 case POPPLER_FORM_BUTTON_CHECK:
2226                                         ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
2227                                         break;
2228                                 case POPPLER_FORM_BUTTON_RADIO:
2229                                         ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
2230                                         break;
2231                         }
2232
2233                         ev_field = ev_form_field_button_new (id, ev_button_type);
2234                         field_button = EV_FORM_FIELD_BUTTON (ev_field);
2235
2236                         field_button->state = poppler_form_field_button_get_state (poppler_field);
2237                 }
2238                         break;
2239                 case POPPLER_FORM_FIELD_CHOICE: {
2240                         EvFormFieldChoice    *field_choice;
2241                         EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2242
2243                         switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
2244                                 case POPPLER_FORM_CHOICE_COMBO:
2245                                         ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
2246                                         break;
2247                                 case EV_FORM_FIELD_CHOICE_LIST:
2248                                         ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
2249                                         break;
2250                         }
2251
2252                         ev_field = ev_form_field_choice_new (id, ev_choice_type);
2253                         field_choice = EV_FORM_FIELD_CHOICE (ev_field);
2254
2255                         field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
2256                         field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
2257                         field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
2258                         field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
2259
2260                         /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
2261                         field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
2262                         if (field_choice->is_editable)
2263                                 field_choice->text = poppler_form_field_choice_get_text (poppler_field);
2264                 }
2265                         break;
2266                 case POPPLER_FORM_FIELD_SIGNATURE:
2267                         /* TODO */
2268                         ev_field = ev_form_field_signature_new (id);
2269                         break;
2270                 case POPPLER_FORM_FIELD_UNKNOWN:
2271                         return NULL;
2272         }
2273
2274         ev_field->font_size = font_size;
2275         ev_field->is_read_only = is_read_only;
2276
2277         return ev_field;
2278 }
2279
2280 static GList *
2281 pdf_document_forms_get_form_fields (EvDocumentForms *document,
2282                                     gint             page)
2283 {
2284         PdfDocument *pdf_document;
2285         PopplerPage *poppler_page;
2286         GList *retval = NULL;
2287         GList *fields;
2288         GList *list;
2289         double height;
2290
2291         pdf_document = PDF_DOCUMENT (document);
2292         poppler_page = poppler_document_get_page (pdf_document->document, page);
2293         fields = poppler_page_get_form_field_mapping (poppler_page);
2294         poppler_page_get_size (poppler_page, NULL, &height);
2295
2296         for (list = fields; list; list = list->next) {
2297                 PopplerFormFieldMapping *mapping;
2298                 EvFormFieldMapping *field_mapping;
2299                 EvFormField *ev_field;
2300
2301                 mapping = (PopplerFormFieldMapping *)list->data;
2302
2303                 ev_field = ev_form_field_from_poppler_field (mapping->field);
2304                 if (!ev_field)
2305                         continue;
2306
2307                 field_mapping = g_new0 (EvFormFieldMapping, 1);
2308                 field_mapping->x1 = mapping->area.x1;
2309                 field_mapping->x2 = mapping->area.x2;
2310                 field_mapping->y1 = height - mapping->area.y2;
2311                 field_mapping->y2 = height - mapping->area.y1;
2312                 field_mapping->field = ev_field;
2313                 field_mapping->field->page = page;
2314
2315                 retval = g_list_prepend (retval, field_mapping);
2316         }
2317
2318         poppler_page_free_form_field_mapping (fields);
2319         g_object_unref (poppler_page);
2320
2321         return g_list_reverse (retval);
2322 }
2323
2324 static gchar *
2325 pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
2326                                              EvFormField     *field)
2327
2328 {
2329         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2330         PopplerFormField *poppler_field;
2331         gchar *text;
2332
2333         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2334         if (!poppler_field)
2335                 return NULL;
2336
2337         text = poppler_form_field_text_get_text (poppler_field);
2338         g_object_unref (poppler_field);
2339
2340         return text;
2341 }
2342
2343 static void
2344 pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
2345                                              EvFormField     *field,
2346                                              const gchar     *text)
2347 {
2348         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2349         PopplerFormField *poppler_field;
2350
2351         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2352         if (!poppler_field)
2353                 return;
2354         poppler_form_field_text_set_text (poppler_field, text);
2355         g_object_unref (poppler_field);
2356 }
2357
2358 static void
2359 pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
2360                                                 EvFormField     *field,
2361                                                 gboolean         state)
2362 {
2363         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2364         PopplerFormField *poppler_field;
2365
2366         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2367         if (!poppler_field)
2368                 return;
2369
2370         poppler_form_field_button_set_state (poppler_field, state);
2371         g_object_unref (poppler_field);
2372 }
2373
2374 static gboolean
2375 pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
2376                                                 EvFormField     *field)
2377 {
2378         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2379         PopplerFormField *poppler_field;
2380         gboolean state;
2381
2382         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2383         if (!poppler_field)
2384                 return FALSE;
2385
2386         state = poppler_form_field_button_get_state (poppler_field);
2387         g_object_unref (poppler_field);
2388
2389         return state;
2390 }
2391
2392 static gchar *
2393 pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
2394                                                EvFormField     *field,
2395                                                gint             index)
2396 {
2397         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2398         PopplerFormField *poppler_field;
2399         gchar *text;
2400
2401         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2402         if (!poppler_field)
2403                 return NULL;
2404
2405         text = poppler_form_field_choice_get_item (poppler_field, index);
2406         g_object_unref (poppler_field);
2407
2408         return text;
2409 }
2410
2411 static int
2412 pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
2413                                                   EvFormField     *field)
2414 {
2415         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2416         PopplerFormField *poppler_field;
2417         gint n_items;
2418
2419         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2420         if (!poppler_field)
2421                 return -1;
2422
2423         n_items = poppler_form_field_choice_get_n_items (poppler_field);
2424         g_object_unref (poppler_field);
2425
2426         return n_items;
2427 }
2428
2429 static gboolean
2430 pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
2431                                                        EvFormField     *field,
2432                                                        gint             index)
2433 {
2434         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2435         PopplerFormField *poppler_field;
2436         gboolean selected;
2437
2438         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2439         if (!poppler_field)
2440                 return FALSE;
2441
2442         selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
2443         g_object_unref (poppler_field);
2444
2445         return selected;
2446 }
2447
2448 static void
2449 pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
2450                                                   EvFormField     *field,
2451                                                   gint             index)
2452 {
2453         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2454         PopplerFormField *poppler_field;
2455
2456         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2457         if (!poppler_field)
2458                 return;
2459
2460         poppler_form_field_choice_select_item (poppler_field, index);
2461         g_object_unref (poppler_field);
2462 }
2463
2464 static void
2465 pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
2466                                                   EvFormField     *field,
2467                                                   gint             index)
2468 {
2469         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2470         PopplerFormField *poppler_field;
2471
2472         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2473         if (!poppler_field)
2474                 return;
2475
2476         poppler_form_field_choice_toggle_item (poppler_field, index);
2477         g_object_unref (poppler_field);
2478 }
2479
2480 static void
2481 pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
2482                                                    EvFormField     *field)
2483 {
2484         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2485         PopplerFormField *poppler_field;
2486
2487         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2488         if (!poppler_field)
2489                 return;
2490
2491         poppler_form_field_choice_unselect_all (poppler_field);
2492         g_object_unref (poppler_field);
2493 }
2494
2495 static void
2496 pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
2497                                                EvFormField     *field,
2498                                                const gchar     *text)
2499 {
2500         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2501         PopplerFormField *poppler_field;
2502
2503         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2504         if (!poppler_field)
2505                 return;
2506
2507         poppler_form_field_choice_set_text (poppler_field, text);
2508         g_object_unref (poppler_field);
2509 }
2510
2511 static gchar *
2512 pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
2513                                                EvFormField     *field)
2514 {
2515         PdfDocument *pdf_document = PDF_DOCUMENT (document);
2516         PopplerFormField *poppler_field;
2517         gchar *text;
2518
2519         poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
2520         if (!poppler_field)
2521                 return NULL;
2522
2523         text = poppler_form_field_choice_get_text (poppler_field);
2524         g_object_unref (poppler_field);
2525
2526         return text;
2527 }
2528
2529 static void
2530 pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
2531 {
2532         iface->get_form_fields = pdf_document_forms_get_form_fields;
2533         iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
2534         iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
2535         iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
2536         iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
2537         iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
2538         iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
2539         iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
2540         iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
2541         iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
2542         iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
2543         iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
2544         iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
2545 }
2546