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.
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)
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.
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.
24 #include <poppler-document.h>
25 #include <poppler-page.h>
26 #include <glib/gi18n.h>
28 #include "ev-poppler.h"
29 #include "ev-ps-exporter.h"
30 #include "ev-document-find.h"
31 #include "ev-document-misc.h"
32 #include "ev-document-links.h"
33 #include "ev-document-fonts.h"
34 #include "ev-document-security.h"
35 #include "ev-document-thumbnails.h"
36 #include "ev-selection.h"
39 PdfDocument *document;
47 struct _PdfDocumentClass
49 GObjectClass parent_class;
54 GObject parent_instance;
56 PopplerDocument *document;
57 PopplerPSFile *ps_file;
60 PopplerOrientation orientation;
61 gboolean orientation_set;
63 PopplerFontInfo *font_info;
64 PopplerFontsIter *fonts_iter;
65 int fonts_scanned_pages;
67 PdfDocumentSearch *search;
70 static void pdf_document_document_iface_init (EvDocumentIface *iface);
71 static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface);
72 static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
73 static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface);
74 static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
75 static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
76 static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface);
77 static void pdf_selection_iface_init (EvSelectionIface *iface);
78 static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
83 static int pdf_document_get_n_pages (EvDocument *document);
85 static EvLink * ev_link_from_action (PopplerAction *action);
86 static void pdf_document_search_free (PdfDocumentSearch *search);
89 G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
91 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
92 pdf_document_document_iface_init);
93 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
94 pdf_document_security_iface_init);
95 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
96 pdf_document_document_thumbnails_iface_init);
97 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
98 pdf_document_document_links_iface_init);
99 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
100 pdf_document_document_fonts_iface_init);
101 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
102 pdf_document_find_iface_init);
103 G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
104 pdf_document_ps_exporter_iface_init);
105 G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
106 pdf_selection_iface_init);
110 pdf_document_search_free (PdfDocumentSearch *search)
112 PdfDocument *pdf_document = search->document;
116 if (search->idle != 0)
117 g_source_remove (search->idle);
119 n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
120 for (i = 0; i < n_pages; i++) {
121 g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
122 g_list_free (search->pages[i]);
125 g_free (search->text);
129 pdf_document_dispose (GObject *object)
131 PdfDocument *pdf_document = PDF_DOCUMENT(object);
133 if (pdf_document->search) {
134 pdf_document_search_free (pdf_document->search);
135 pdf_document->search = NULL;
138 if (pdf_document->document) {
139 g_object_unref (pdf_document->document);
142 if (pdf_document->font_info) {
143 poppler_font_info_free (pdf_document->font_info);
146 if (pdf_document->fonts_iter) {
147 poppler_fonts_iter_free (pdf_document->fonts_iter);
152 pdf_document_class_init (PdfDocumentClass *klass)
154 GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
156 g_object_class->dispose = pdf_document_dispose;
160 pdf_document_init (PdfDocument *pdf_document)
162 pdf_document->password = NULL;
166 convert_error (GError *poppler_error,
169 if (poppler_error == NULL)
172 if (poppler_error->domain == POPPLER_ERROR) {
173 /* convert poppler errors into EvDocument errors */
174 gint code = EV_DOCUMENT_ERROR_INVALID;
175 if (poppler_error->code == POPPLER_ERROR_INVALID)
176 code = EV_DOCUMENT_ERROR_INVALID;
177 else if (poppler_error->code == POPPLER_ERROR_ENCRYPTED)
178 code = EV_DOCUMENT_ERROR_ENCRYPTED;
184 poppler_error->message,
187 g_propagate_error (error, poppler_error);
194 pdf_document_save (EvDocument *document,
199 GError *poppler_error = NULL;
201 retval = poppler_document_save (PDF_DOCUMENT (document)->document,
205 convert_error (poppler_error, error);
210 static PopplerOrientation
211 get_document_orientation (PdfDocument *pdf_document)
213 PopplerOrientation orientation;
216 /* Should prolly be smarter here and check more than first page */
217 page = poppler_document_get_page (pdf_document->document, 0);
219 orientation = poppler_page_get_orientation (page);
221 orientation = POPPLER_ORIENTATION_PORTRAIT;
223 g_object_unref (page);
229 pdf_document_load (EvDocument *document,
233 GError *poppler_error = NULL;
234 PdfDocument *pdf_document = PDF_DOCUMENT (document);
236 pdf_document->document =
237 poppler_document_new_from_file (uri, pdf_document->password, &poppler_error);
239 if (pdf_document->document == NULL) {
240 convert_error (poppler_error, error);
248 pdf_document_get_n_pages (EvDocument *document)
250 return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
253 /* FIXME This should not be necessary, poppler should rember it */
255 set_page_orientation (PdfDocument *pdf_document, PopplerPage *page)
257 if (pdf_document->orientation_set) {
258 poppler_page_set_orientation (page, pdf_document->orientation);
263 pdf_document_get_page_size (EvDocument *document,
268 PdfDocument *pdf_document = PDF_DOCUMENT (document);
269 PopplerPage *poppler_page;
271 poppler_page = poppler_document_get_page (pdf_document->document, page);
272 set_page_orientation (pdf_document, poppler_page);
273 poppler_page_get_size (poppler_page, width, height);
274 g_object_unref (poppler_page);
278 pdf_document_get_page_label (EvDocument *document,
281 PopplerPage *poppler_page;
284 poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
287 g_object_get (G_OBJECT (poppler_page),
290 g_object_unref (poppler_page);
296 pdf_document_get_links (EvDocument *document,
299 PdfDocument *pdf_document;
300 PopplerPage *poppler_page;
301 GList *retval = NULL;
306 pdf_document = PDF_DOCUMENT (document);
307 poppler_page = poppler_document_get_page (pdf_document->document,
309 mapping_list = poppler_page_get_link_mapping (poppler_page);
310 poppler_page_get_size (poppler_page, NULL, &height);
312 for (list = mapping_list; list; list = list->next) {
313 PopplerLinkMapping *link_mapping;
314 EvLinkMapping *ev_link_mapping;
316 link_mapping = (PopplerLinkMapping *)list->data;
317 ev_link_mapping = g_new (EvLinkMapping, 1);
318 ev_link_mapping->link = ev_link_from_action (link_mapping->action);
319 ev_link_mapping->x1 = link_mapping->area.x1;
320 ev_link_mapping->x2 = link_mapping->area.x2;
321 /* Invert this for X-style coordinates */
322 ev_link_mapping->y1 = height - link_mapping->area.y2;
323 ev_link_mapping->y2 = height - link_mapping->area.y1;
325 retval = g_list_prepend (retval, ev_link_mapping);
328 poppler_page_free_link_mapping (mapping_list);
329 g_object_unref (poppler_page);
331 return g_list_reverse (retval);
336 pdf_document_render_pixbuf (EvDocument *document,
339 PdfDocument *pdf_document;
340 PopplerPage *poppler_page;
342 double width_points, height_points;
345 pdf_document = PDF_DOCUMENT (document);
346 poppler_page = poppler_document_get_page (pdf_document->document,
348 set_page_orientation (pdf_document, poppler_page);
350 poppler_page_get_size (poppler_page, &width_points, &height_points);
351 width = (int) ((width_points * rc->scale) + 0.5);
352 height = (int) ((height_points * rc->scale) + 0.5);
354 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
358 poppler_page_render_to_pixbuf (poppler_page,
364 g_object_unref (poppler_page);
369 /* EvDocumentSecurity */
372 pdf_document_has_document_security (EvDocumentSecurity *document_security)
374 /* FIXME: do we really need to have this? */
379 pdf_document_set_password (EvDocumentSecurity *document_security,
380 const char *password)
382 PdfDocument *document = PDF_DOCUMENT (document_security);
384 if (document->password)
385 g_free (document->password);
387 document->password = g_strdup (password);
391 pdf_document_can_get_text (EvDocument *document)
396 static EvDocumentInfo *
397 pdf_document_get_info (EvDocument *document)
399 EvDocumentInfo *info;
400 PopplerPageLayout layout;
401 PopplerPageMode mode;
402 PopplerViewerPreferences view_prefs;
403 PopplerPermissions permissions;
405 info = g_new0 (EvDocumentInfo, 1);
407 info->fields_mask = EV_DOCUMENT_INFO_TITLE |
408 EV_DOCUMENT_INFO_FORMAT |
409 EV_DOCUMENT_INFO_AUTHOR |
410 EV_DOCUMENT_INFO_SUBJECT |
411 EV_DOCUMENT_INFO_KEYWORDS |
412 EV_DOCUMENT_INFO_LAYOUT |
413 EV_DOCUMENT_INFO_START_MODE |
414 EV_DOCUMENT_INFO_PERMISSIONS |
415 EV_DOCUMENT_INFO_UI_HINTS |
416 EV_DOCUMENT_INFO_CREATOR |
417 EV_DOCUMENT_INFO_PRODUCER |
418 EV_DOCUMENT_INFO_CREATION_DATE |
419 EV_DOCUMENT_INFO_MOD_DATE |
420 EV_DOCUMENT_INFO_LINEARIZED |
421 EV_DOCUMENT_INFO_N_PAGES |
422 EV_DOCUMENT_INFO_SECURITY;
425 g_object_get (PDF_DOCUMENT (document)->document,
426 "title", &(info->title),
427 "format", &(info->format),
428 "author", &(info->author),
429 "subject", &(info->subject),
430 "keywords", &(info->keywords),
432 "page-layout", &layout,
433 "viewer-preferences", &view_prefs,
434 "permissions", &permissions,
435 "creator", &(info->creator),
436 "producer", &(info->producer),
437 "creation-date", &(info->creation_date),
438 "mod-date", &(info->modified_date),
439 "linearized", &(info->linearized),
443 case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
444 info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
446 case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
447 info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
449 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
450 info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
452 case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
453 info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
454 case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
455 info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
457 case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
458 info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
465 case POPPLER_PAGE_MODE_NONE:
466 info->mode = EV_DOCUMENT_MODE_NONE;
468 case POPPLER_PAGE_MODE_USE_THUMBS:
469 info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
471 case POPPLER_PAGE_MODE_USE_OC:
472 info->mode = EV_DOCUMENT_MODE_USE_OC;
474 case POPPLER_PAGE_MODE_FULL_SCREEN:
475 info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
477 case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
478 info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
484 if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
485 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
487 if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
488 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
490 if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
491 info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
493 if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
494 info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
496 if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
497 info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
499 if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
500 info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
502 if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
503 info->ui_hints |= EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
506 info->permissions = 0;
507 if (permissions & POPPLER_PERMISSIONS_OK_TO_PRINT) {
508 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_PRINT;
510 if (permissions & POPPLER_PERMISSIONS_OK_TO_MODIFY) {
511 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_MODIFY;
513 if (permissions & POPPLER_PERMISSIONS_OK_TO_COPY) {
514 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_COPY;
516 if (permissions & POPPLER_PERMISSIONS_OK_TO_ADD_NOTES) {
517 info->permissions |= EV_DOCUMENT_PERMISSIONS_OK_TO_ADD_NOTES;
520 info->n_pages = ev_document_get_n_pages (document);
522 if (ev_document_security_has_document_security (EV_DOCUMENT_SECURITY (document))) {
523 /* translators: this is the document security state */
524 info->security = g_strdup (_("Yes"));
526 /* translators: this is the document security state */
527 info->security = g_strdup (_("No"));
534 pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect)
536 PdfDocument *pdf_document = PDF_DOCUMENT (document);
537 PopplerPage *poppler_page;
542 poppler_page = poppler_document_get_page (pdf_document->document, page);
543 set_page_orientation (pdf_document, poppler_page);
544 g_return_val_if_fail (poppler_page != NULL, NULL);
546 poppler_page_get_size (poppler_page, NULL, &height);
548 r.y1 = height - rect->y2;
550 r.y2 = height - rect->y1;
552 text = poppler_page_get_text (poppler_page, &r);
554 g_object_unref (poppler_page);
560 pdf_document_get_orientation (EvDocument *document)
562 EvOrientation result;
563 PdfDocument *pdf_document = PDF_DOCUMENT (document);
565 if (!pdf_document->orientation_set) {
566 pdf_document->orientation = get_document_orientation (pdf_document);
569 switch (pdf_document->orientation) {
570 case POPPLER_ORIENTATION_PORTRAIT:
571 result = EV_ORIENTATION_PORTRAIT;
573 case POPPLER_ORIENTATION_LANDSCAPE:
574 result = EV_ORIENTATION_LANDSCAPE;
576 case POPPLER_ORIENTATION_UPSIDEDOWN:
577 result = EV_ORIENTATION_UPSIDEDOWN;
579 case POPPLER_ORIENTATION_SEASCAPE:
580 result = EV_ORIENTATION_SEASCAPE;
583 g_assert_not_reached ();
590 pdf_document_set_orientation (EvDocument *document, EvOrientation orientation)
592 PdfDocument *pdf_document = PDF_DOCUMENT (document);
593 PopplerOrientation poppler_orientation;
595 switch (orientation) {
596 case EV_ORIENTATION_PORTRAIT:
597 poppler_orientation = POPPLER_ORIENTATION_PORTRAIT;
599 case EV_ORIENTATION_LANDSCAPE:
600 poppler_orientation = POPPLER_ORIENTATION_LANDSCAPE;
602 case EV_ORIENTATION_UPSIDEDOWN:
603 poppler_orientation = POPPLER_ORIENTATION_UPSIDEDOWN;
605 case EV_ORIENTATION_SEASCAPE:
606 poppler_orientation = POPPLER_ORIENTATION_SEASCAPE;
609 g_assert_not_reached ();
612 pdf_document->orientation = poppler_orientation;
613 pdf_document->orientation_set = TRUE;
617 pdf_document_document_iface_init (EvDocumentIface *iface)
619 iface->save = pdf_document_save;
620 iface->load = pdf_document_load;
621 iface->get_n_pages = pdf_document_get_n_pages;
622 iface->get_page_size = pdf_document_get_page_size;
623 iface->get_page_label = pdf_document_get_page_label;
624 iface->get_links = pdf_document_get_links;
625 iface->render_pixbuf = pdf_document_render_pixbuf;
626 iface->get_text = pdf_document_get_text;
627 iface->can_get_text = pdf_document_can_get_text;
628 iface->get_info = pdf_document_get_info;
629 iface->set_orientation = pdf_document_set_orientation;
630 iface->get_orientation = pdf_document_get_orientation;
634 pdf_document_security_iface_init (EvDocumentSecurityIface *iface)
636 iface->has_document_security = pdf_document_has_document_security;
637 iface->set_password = pdf_document_set_password;
641 pdf_document_fonts_get_progress (EvDocumentFonts *document_fonts)
643 PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
646 n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
648 return (double)pdf_document->fonts_scanned_pages / (double)n_pages;
652 pdf_document_fonts_scan (EvDocumentFonts *document_fonts,
655 PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
658 g_return_val_if_fail (PDF_IS_DOCUMENT (document_fonts), FALSE);
660 if (pdf_document->font_info == NULL) {
661 pdf_document->font_info = poppler_font_info_new (pdf_document->document);
664 if (pdf_document->fonts_iter) {
665 poppler_fonts_iter_free (pdf_document->fonts_iter);
668 pdf_document->fonts_scanned_pages += n_pages;
670 result = poppler_font_info_scan (pdf_document->font_info, n_pages,
671 &pdf_document->fonts_iter);
673 pdf_document->fonts_scanned_pages = 0;
674 poppler_font_info_free (pdf_document->font_info);
675 pdf_document->font_info = NULL;
682 pdf_document_fonts_fill_model (EvDocumentFonts *document_fonts,
685 PdfDocument *pdf_document = PDF_DOCUMENT (document_fonts);
686 PopplerFontsIter *iter = pdf_document->fonts_iter;
688 g_return_if_fail (PDF_IS_DOCUMENT (document_fonts));
692 GtkTreeIter list_iter;
695 name = poppler_fonts_iter_get_name (iter);
700 gtk_list_store_append (GTK_LIST_STORE (model), &list_iter);
701 gtk_list_store_set (GTK_LIST_STORE (model), &list_iter,
702 EV_DOCUMENT_FONTS_COLUMN_NAME, name,
704 } while (poppler_fonts_iter_next (iter));
709 pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface)
711 iface->fill_model = pdf_document_fonts_fill_model;
712 iface->scan = pdf_document_fonts_scan;
713 iface->get_progress = pdf_document_fonts_get_progress;
717 pdf_document_links_has_document_links (EvDocumentLinks *document_links)
719 PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
720 PopplerIndexIter *iter;
722 g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE);
724 iter = poppler_index_iter_new (pdf_document->document);
727 poppler_index_iter_free (iter);
733 ev_link_from_action (PopplerAction *action)
738 title = action->any.title;
740 if (action->type == POPPLER_ACTION_GOTO_DEST) {
741 link = ev_link_new_page (title, action->goto_dest.dest->page_num - 1);
742 } else if (action->type == POPPLER_ACTION_URI) {
743 link = ev_link_new_external (title, action->uri.uri);
745 link = ev_link_new_title (title);
752 build_tree (PdfDocument *pdf_document,
755 PopplerIndexIter *iter)
759 GtkTreeIter tree_iter;
760 PopplerIndexIter *child;
761 PopplerAction *action;
765 action = poppler_index_iter_get_action (iter);
766 expand = poppler_index_iter_is_open (iter);
768 gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
769 link = ev_link_from_action (action);
770 poppler_action_free (action);
772 gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
773 EV_DOCUMENT_LINKS_COLUMN_MARKUP, ev_link_get_title (link),
774 EV_DOCUMENT_LINKS_COLUMN_LINK, link,
775 EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
777 g_object_unref (link);
778 child = poppler_index_iter_get_child (iter);
780 build_tree (pdf_document, model, &tree_iter, child);
781 poppler_index_iter_free (child);
783 } while (poppler_index_iter_next (iter));
787 static GtkTreeModel *
788 pdf_document_links_get_links_model (EvDocumentLinks *document_links)
790 PdfDocument *pdf_document = PDF_DOCUMENT (document_links);
791 GtkTreeModel *model = NULL;
792 PopplerIndexIter *iter;
794 g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL);
796 iter = poppler_index_iter_new (pdf_document->document);
797 /* Create the model if we have items*/
799 model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
803 build_tree (pdf_document, model, NULL, iter);
804 poppler_index_iter_free (iter);
811 pdf_document_document_links_iface_init (EvDocumentLinksIface *iface)
813 iface->has_document_links = pdf_document_links_has_document_links;
814 iface->get_links_model = pdf_document_links_get_links_model;
818 make_thumbnail_for_size (PdfDocument *pdf_document,
823 PopplerPage *poppler_page;
824 GdkPixbuf *pixbuf, *sub_pixbuf;
826 int x_offset, y_offset;
828 gdouble unscaled_width, unscaled_height;
830 poppler_page = poppler_document_get_page (pdf_document->document, page);
831 set_page_orientation (pdf_document, poppler_page);
832 g_return_val_if_fail (poppler_page != NULL, NULL);
834 pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), page, size, &width, &height);
835 poppler_page_get_size (poppler_page, &unscaled_width, &unscaled_height);
836 scale = width / unscaled_width;
839 pixbuf = ev_document_misc_get_thumbnail_frame (width, height, NULL);
841 sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
843 width - 1, height - 1);
845 pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
847 gdk_pixbuf_fill (pixbuf, 0xffffffff);
848 sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
853 poppler_page_render_to_pixbuf (poppler_page, 0, 0,
857 g_object_unref (G_OBJECT (sub_pixbuf));
859 g_object_unref (poppler_page);
864 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
869 PdfDocument *pdf_document;
870 PopplerPage *poppler_page;
873 pdf_document = PDF_DOCUMENT (document_thumbnails);
875 poppler_page = poppler_document_get_page (pdf_document->document, page);
876 set_page_orientation (pdf_document, poppler_page);
877 g_return_val_if_fail (poppler_page != NULL, NULL);
879 pixbuf = poppler_page_get_thumbnail (poppler_page);
881 if (pixbuf != NULL) {
882 /* The document provides its own thumbnails. */
884 GdkPixbuf *real_pixbuf;
886 real_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
887 g_object_unref (pixbuf);
888 pixbuf = real_pixbuf;
891 /* There is no provided thumbnail. We need to make one. */
892 pixbuf = make_thumbnail_for_size (pdf_document, page, size, border);
895 g_object_unref (poppler_page);
901 pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
907 PdfDocument *pdf_document;
908 PopplerPage *poppler_page;
911 pdf_document = PDF_DOCUMENT (document_thumbnails);
912 poppler_page = poppler_document_get_page (pdf_document->document, page);
913 set_page_orientation (pdf_document, poppler_page);
915 g_return_if_fail (width != NULL);
916 g_return_if_fail (height != NULL);
917 g_return_if_fail (poppler_page != NULL);
919 has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
922 double page_width, page_height;
924 poppler_page_get_size (poppler_page, &page_width, &page_height);
925 if (page_width > page_height) {
927 *height = (int) (size * page_height / page_width);
929 *width = (int) (size * page_width / page_height);
933 g_object_unref (poppler_page);
937 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
939 iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
940 iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
945 pdf_document_search_idle_callback (void *data)
947 PdfDocumentSearch *search = (PdfDocumentSearch*) data;
948 PdfDocument *pdf_document = search->document;
953 page = poppler_document_get_page (search->document->document,
954 search->search_page);
955 set_page_orientation (pdf_document, page);
957 ev_document_doc_mutex_lock ();
958 matches = poppler_page_find_text (page, search->text);
959 ev_document_doc_mutex_unlock ();
961 g_object_unref (page);
963 search->pages[search->search_page] = matches;
964 ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
965 search->search_page);
967 n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
968 search->search_page += 1;
969 if (search->search_page == n_pages) {
971 search->search_page = 0;
974 if (search->search_page != search->start_page) {
979 search->idle = 0; /* will return FALSE to remove */
984 static PdfDocumentSearch *
985 pdf_document_search_new (PdfDocument *pdf_document,
989 PdfDocumentSearch *search;
993 n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
995 search = g_new0 (PdfDocumentSearch, 1);
997 search->text = g_strdup (text);
998 search->pages = g_new0 (GList *, n_pages);
999 for (i = 0; i < n_pages; i++) {
1000 search->pages[i] = NULL;
1003 search->document = pdf_document;
1005 /* We add at low priority so the progress bar repaints */
1006 search->idle = g_idle_add_full (G_PRIORITY_LOW,
1007 pdf_document_search_idle_callback,
1011 search->start_page = start_page;
1012 search->search_page = start_page;
1018 pdf_document_find_begin (EvDocumentFind *document,
1020 const char *search_string,
1021 gboolean case_sensitive)
1023 PdfDocument *pdf_document = PDF_DOCUMENT (document);
1025 /* FIXME handle case_sensitive (right now XPDF
1026 * code is always case insensitive for ASCII
1027 * and case sensitive for all other languaages)
1030 if (pdf_document->search &&
1031 strcmp (search_string, pdf_document->search->text) == 0)
1034 if (pdf_document->search)
1035 pdf_document_search_free (pdf_document->search);
1037 pdf_document->search = pdf_document_search_new (pdf_document,
1043 pdf_document_find_get_n_results (EvDocumentFind *document_find, int page)
1045 PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
1048 return g_list_length (search->pages[page]);
1055 pdf_document_find_get_result (EvDocumentFind *document_find,
1058 EvRectangle *rectangle)
1060 PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
1061 PdfDocumentSearch *search = pdf_document->search;
1062 PopplerPage *poppler_page;
1063 PopplerRectangle *r;
1069 r = (PopplerRectangle *) g_list_nth_data (search->pages[page],
1074 poppler_page = poppler_document_get_page (pdf_document->document, page);
1075 set_page_orientation (pdf_document, poppler_page);
1076 poppler_page_get_size (poppler_page, NULL, &height);
1077 rectangle->x1 = r->x1;
1078 rectangle->y1 = height - r->y2;
1079 rectangle->x2 = r->x2;
1080 rectangle->y2 = height - r->y1;
1081 g_object_unref (poppler_page);
1087 pdf_document_find_page_has_results (EvDocumentFind *document_find,
1090 PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
1092 g_return_val_if_fail (search != NULL, FALSE);
1094 return search->pages[page] != NULL;
1098 pdf_document_find_get_progress (EvDocumentFind *document_find)
1100 PdfDocumentSearch *search;
1101 int n_pages, pages_done;
1103 search = PDF_DOCUMENT (document_find)->search;
1105 if (search == NULL) {
1109 n_pages = pdf_document_get_n_pages (EV_DOCUMENT (document_find));
1110 if (search->search_page > search->start_page) {
1111 pages_done = search->search_page - search->start_page + 1;
1112 } else if (search->search_page == search->start_page) {
1113 pages_done = n_pages;
1115 pages_done = n_pages - search->start_page + search->search_page;
1118 return pages_done / (double) n_pages;
1122 pdf_document_find_cancel (EvDocumentFind *document)
1124 PdfDocument *pdf_document = PDF_DOCUMENT (document);
1126 if (pdf_document->search) {
1127 pdf_document_search_free (pdf_document->search);
1128 pdf_document->search = NULL;
1133 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1135 iface->begin = pdf_document_find_begin;
1136 iface->get_n_results = pdf_document_find_get_n_results;
1137 iface->get_result = pdf_document_find_get_result;
1138 iface->page_has_results = pdf_document_find_page_has_results;
1139 iface->get_progress = pdf_document_find_get_progress;
1140 iface->cancel = pdf_document_find_cancel;
1144 pdf_document_ps_exporter_begin (EvPSExporter *exporter, const char *filename,
1145 int first_page, int last_page)
1147 PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1149 pdf_document->ps_file = poppler_ps_file_new (pdf_document->document, filename,
1151 last_page - first_page + 1);
1155 pdf_document_ps_exporter_do_page (EvPSExporter *exporter, int page)
1157 PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1158 PopplerPage *poppler_page;
1160 g_return_if_fail (pdf_document->ps_file != NULL);
1162 poppler_page = poppler_document_get_page (pdf_document->document, page);
1163 set_page_orientation (pdf_document, poppler_page);
1164 poppler_page_render_to_ps (poppler_page, pdf_document->ps_file);
1165 g_object_unref (poppler_page);
1169 pdf_document_ps_exporter_end (EvPSExporter *exporter)
1171 PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
1173 poppler_ps_file_free (pdf_document->ps_file);
1174 pdf_document->ps_file = NULL;
1178 pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface)
1180 iface->begin = pdf_document_ps_exporter_begin;
1181 iface->do_page = pdf_document_ps_exporter_do_page;
1182 iface->end = pdf_document_ps_exporter_end;
1187 pdf_selection_render_selection (EvSelection *selection,
1188 EvRenderContext *rc,
1190 EvRectangle *points,
1191 EvRectangle *old_points)
1193 PdfDocument *pdf_document;
1194 PopplerPage *poppler_page;
1195 double width_points, height_points;
1198 pdf_document = PDF_DOCUMENT (selection);
1199 poppler_page = poppler_document_get_page (pdf_document->document,
1201 set_page_orientation (pdf_document, poppler_page);
1203 poppler_page_get_size (poppler_page, &width_points, &height_points);
1204 width = (int) ((width_points * rc->scale) + 0.5);
1205 height = (int) ((height_points * rc->scale) + 0.5);
1207 if (*pixbuf == NULL) {
1208 * pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
1213 poppler_page_render_selection (poppler_page,
1215 (PopplerRectangle *)points,
1216 (PopplerRectangle *)old_points);
1217 g_object_unref (poppler_page);
1223 pdf_selection_get_selection_region (EvSelection *selection,
1224 EvRenderContext *rc,
1225 EvRectangle *points)
1227 PdfDocument *pdf_document;
1228 PopplerPage *poppler_page;
1231 pdf_document = PDF_DOCUMENT (selection);
1232 poppler_page = poppler_document_get_page (pdf_document->document,
1234 set_page_orientation (pdf_document, poppler_page);
1236 retval = poppler_page_get_selection_region (poppler_page, rc->scale, (PopplerRectangle *) points);
1237 g_object_unref (poppler_page);
1243 pdf_selection_iface_init (EvSelectionIface *iface)
1245 iface->render_selection = pdf_selection_render_selection;
1246 iface->get_selection_region = pdf_selection_get_selection_region;
1250 pdf_document_new (void)
1252 return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL));