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.
20 #include <glib/gi18n.h>
22 #include "gpdf-g-switch.h"
23 #include "pdf-document.h"
24 #include "ev-ps-exporter.h"
25 #include "ev-document-find.h"
26 #include "gpdf-g-switch.h"
27 #include "ev-document-bookmarks.h"
28 #include "ev-document-misc.h"
29 #include "ev-document-thumbnails.h"
31 #include "GlobalParams.h"
32 #include "GDKSplashOutputDev.h"
35 #include "UnicodeMap.h"
36 #include "GlobalParams.h"
39 #include "goo/GList.h"
40 #include "PSOutputDev.h"
49 PdfDocument *document;
53 /* full results are only possible for the rendered current page */
55 GArray *current_page_results;
56 guchar *other_page_flags; /* length n_pages + 1, first element ignored */
57 int start_page; /* skip this one as we iterate, since we did it first */
58 int search_page; /* the page we're searching now */
59 TextOutputDev *output_dev;
62 typedef struct _PdfDocumentClass PdfDocumentClass;
64 #define PDF_DOCUMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PDF_TYPE_DOCUMENT, PdfDocumentClass))
65 #define PDF_IS_DOCUMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PDF_TYPE_DOCUMENT))
66 #define PDF_DOCUMENT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PDF_TYPE_DOCUMENT, PdfDocumentClass))
68 struct _PdfDocumentClass
70 GObjectClass parent_class;
75 GObject parent_instance;
83 GDKSplashOutputDev *out;
90 PdfDocumentSearch *search;
93 static void pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface);
94 static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
95 static void pdf_document_document_iface_init (EvDocumentIface *iface);
96 static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface);
97 static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
98 static void pdf_document_search_free (PdfDocumentSearch *search);
99 static void pdf_document_search_page_changed (PdfDocumentSearch *search);
101 G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
103 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
104 pdf_document_document_iface_init);
105 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_BOOKMARKS,
106 pdf_document_document_bookmarks_iface_init);
107 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
108 pdf_document_document_thumbnails_iface_init);
109 G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
110 pdf_document_ps_exporter_iface_init);
111 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
112 pdf_document_find_iface_init);
116 document_validate_page (PdfDocument *pdf_document)
118 if (!pdf_document->page_valid) {
119 pdf_document->doc->displayPage (pdf_document->out, pdf_document->page,
120 72 * pdf_document->scale,
121 72 * pdf_document->scale,
124 pdf_document->page_valid = TRUE;
126 /* Update the search results available to the app since
127 * we only provide full results on the current page
129 if (pdf_document->search)
130 pdf_document_search_page_changed (pdf_document->search);
133 return pdf_document->page_valid;
137 pdf_document_load (EvDocument *document,
141 PdfDocument *pdf_document = PDF_DOCUMENT (document);
149 globalParams = new GlobalParams("/etc/xpdfrc");
150 globalParams->setupBaseFontsFc(NULL);
153 if (! pdf_document->umap) {
154 enc = new GString("UTF-8");
155 pdf_document->umap = globalParams->getUnicodeMap(enc);
156 pdf_document->umap->incRefCnt ();
160 filename = g_filename_from_uri (uri, NULL, error);
164 filename_g = new GString (filename);
167 // open the PDF file, assumes ownership of filename_g
168 newDoc = new PDFDoc(filename_g, 0, 0);
170 if (!newDoc->isOk()) {
171 err = newDoc->getErrorCode();
174 /* FIXME: Add a real error enum to EvDocument */
175 g_set_error (error, G_FILE_ERROR,
177 "Failed to load document (error %d) '%s'\n",
184 if (pdf_document->doc)
185 delete pdf_document->doc;
186 pdf_document->doc = newDoc;
188 pdf_document->page = 1;
190 if (pdf_document->out)
191 pdf_document->out->startDoc(pdf_document->doc->getXRef());
193 pdf_document->page_valid = FALSE;
195 g_object_notify (G_OBJECT (pdf_document), "title");
201 pdf_document_save (EvDocument *document,
205 PdfDocument *pdf_document = PDF_DOCUMENT (document);
207 gboolean retval = FALSE;
209 filename = g_filename_from_uri (uri, NULL, error);
210 if (filename != NULL) {
211 GString *fname = new GString (filename);
213 retval = pdf_document->doc->saveAs (fname);
220 pdf_document_get_n_pages (EvDocument *document)
222 PdfDocument *pdf_document = PDF_DOCUMENT (document);
224 if (pdf_document->doc)
225 return pdf_document->doc->getNumPages();
231 pdf_document_set_page (EvDocument *document,
234 PdfDocument *pdf_document = PDF_DOCUMENT (document);
236 page = CLAMP (page, 1, ev_document_get_n_pages (document));
238 if (page != pdf_document->page) {
239 pdf_document->page = page;
240 pdf_document->page_valid = FALSE;
243 ev_document_changed (document);
247 pdf_document_get_page (EvDocument *document)
249 PdfDocument *pdf_document = PDF_DOCUMENT (document);
251 return pdf_document->page;
255 redraw_callback (void *data)
257 /* Need to hook up through a EvDocument callback? */
261 pdf_document_set_target (EvDocument *document,
264 PdfDocument *pdf_document = PDF_DOCUMENT (document);
266 if (pdf_document->target != target) {
267 if (pdf_document->target)
268 g_object_unref (pdf_document->target);
270 pdf_document->target = target;
272 if (pdf_document->target)
273 g_object_ref (pdf_document->target);
275 if (pdf_document->out) {
276 delete pdf_document->out;
277 pdf_document->out = NULL;
280 if (pdf_document->target) {
281 pdf_document->out = new GDKSplashOutputDev (gdk_drawable_get_screen (pdf_document->target),
282 redraw_callback, (void*) document);
284 if (pdf_document->doc)
285 pdf_document->out->startDoc(pdf_document->doc->getXRef());
289 pdf_document->page_valid = FALSE;
294 pdf_document_set_scale (EvDocument *document,
297 PdfDocument *pdf_document = PDF_DOCUMENT (document);
299 if (pdf_document->scale != scale) {
300 pdf_document->scale = scale;
301 pdf_document->page_valid = FALSE;
306 pdf_document_set_page_offset (EvDocument *document,
310 PdfDocument *pdf_document = PDF_DOCUMENT (document);
312 pdf_document->page_x_offset = x;
313 pdf_document->page_y_offset = y;
317 pdf_document_get_page_size (EvDocument *document,
321 PdfDocument *pdf_document = PDF_DOCUMENT (document);
323 if (document_validate_page (pdf_document)) {
325 *width = pdf_document->out->getBitmapWidth();
327 *height = pdf_document->out->getBitmapHeight();
337 pdf_document_render (EvDocument *document,
343 PdfDocument *pdf_document = PDF_DOCUMENT (document);
347 if (!document_validate_page (pdf_document) || !pdf_document->target)
350 page.x = pdf_document->page_x_offset;
351 page.y = pdf_document->page_y_offset;
352 page.width = pdf_document->out->getBitmapWidth();
353 page.height = pdf_document->out->getBitmapHeight();
357 draw.width = clip_width;
358 draw.height = clip_height;
360 if (gdk_rectangle_intersect (&page, &draw, &draw))
361 pdf_document->out->redraw (draw.x - page.x, draw.y - page.y,
362 pdf_document->target,
364 draw.width, draw.height);
368 pdf_document_search_emit_found (PdfDocumentSearch *search)
370 PdfDocument *pdf_document = search->document;
376 n_pages = ev_document_get_n_pages (EV_DOCUMENT (search->document));
377 if (search->search_page > search->start_page) {
378 pages_done = search->search_page - search->start_page;
379 } else if (search->search_page == search->start_page) {
380 pages_done = n_pages;
382 pages_done = n_pages - search->start_page + search->search_page;
385 tmp_results = g_array_new (FALSE, FALSE, sizeof (EvFindResult));
386 g_array_append_vals (tmp_results,
387 search->current_page_results->data,
388 search->current_page_results->len);
390 /* Now append a bogus element for each page that has a result in it,
391 * that is not the current page
394 while (i <= n_pages) {
395 if (i != pdf_document->page &&
396 search->other_page_flags[i]) {
401 /* Use bogus coordinates, again we can't get coordinates
402 * until this is the current page because TextOutputDev
405 result.highlight_area.x = -1;
406 result.highlight_area.y = -1;
407 result.highlight_area.width = 1;
408 result.highlight_area.height = 1;
410 g_array_append_val (tmp_results, result);
416 ev_document_find_found (EV_DOCUMENT_FIND (pdf_document),
417 (EvFindResult*) tmp_results->data,
419 pages_done / (double) n_pages);
421 g_array_free (tmp_results, TRUE);
425 pdf_document_search_page_changed (PdfDocumentSearch *search)
427 PdfDocument *pdf_document = search->document;
430 int xMin, yMin, xMax, yMax;
432 current_page = pdf_document->page;
434 if (!pdf_document->page_valid) {
435 /* we can't do anything until displayPage() */
436 search->current_page = -1;
440 if (search->current_page == current_page)
443 /* We need to create current_page_results for the new current page */
444 g_array_set_size (search->current_page_results, 0);
446 if (pdf_document->out->findText (search->ucs4, search->ucs4_len,
447 gTrue, gTrue, // startAtTop, stopAtBottom
448 gFalse, gFalse, // startAtLast, stopAtLast
449 &xMin, &yMin, &xMax, &yMax)) {
450 result.page_num = pdf_document->page;
452 result.highlight_area.x = xMin;
453 result.highlight_area.y = yMin;
454 result.highlight_area.width = xMax - xMin;
455 result.highlight_area.height = yMax - yMin;
457 g_array_append_val (search->current_page_results, result);
458 /* Now find further results */
460 while (pdf_document->out->findText (search->ucs4, search->ucs4_len,
463 &xMin, &yMin, &xMax, &yMax)) {
465 result.page_num = pdf_document->page;
467 result.highlight_area.x = xMin;
468 result.highlight_area.y = yMin;
469 result.highlight_area.width = xMax - xMin;
470 result.highlight_area.height = yMax - yMin;
472 g_array_append_val (search->current_page_results, result);
476 /* needed for the initial current page since we don't search
479 search->other_page_flags[current_page] =
480 search->current_page_results->len > 0;
482 pdf_document_search_emit_found (search);
486 pdf_document_search_idle_callback (void *data)
488 PdfDocumentSearch *search = (PdfDocumentSearch*) data;
489 PdfDocument *pdf_document = search->document;
491 double xMin, yMin, xMax, yMax;
493 /* Note that PDF page count is 1 through n_pages INCLUSIVE
494 * like a real book. We are looking to add one result for each
495 * page with a match, because the coordinates are meaningless
496 * with TextOutputDev, so we just want to flag matching pages
497 * and then when the user switches to the current page, we
498 * will emit "found" again with the real results.
500 n_pages = ev_document_get_n_pages (EV_DOCUMENT (search->document));
502 if (search->search_page == search->start_page) {
506 if (search->output_dev == 0) {
507 /* First time through here... */
508 search->output_dev = new TextOutputDev (NULL, gTrue, gFalse, gFalse);
509 if (!search->output_dev->isOk()) {
514 pdf_document->doc->displayPage (search->output_dev,
516 72, 72, 0, gTrue, gFalse);
518 if (search->output_dev->findText (search->ucs4,
520 gTrue, gTrue, // startAtTop, stopAtBottom
521 gFalse, gFalse, // startAtLast, stopAtLast
522 &xMin, &yMin, &xMax, &yMax)) {
523 /* This page has results */
524 search->other_page_flags[search->search_page] = TRUE;
527 search->search_page += 1;
528 if (search->search_page > n_pages) {
530 search->search_page = 1;
533 /* We do this even if nothing was found, to update the percent complete */
534 pdf_document_search_emit_found (search);
540 search->idle = 0; /* will return FALSE to remove */
545 pdf_document_find_begin (EvDocumentFind *document,
546 const char *search_string,
547 gboolean case_sensitive)
549 PdfDocument *pdf_document = PDF_DOCUMENT (document);
550 PdfDocumentSearch *search;
555 /* FIXME handle case_sensitive (right now XPDF
556 * code is always case insensitive for ASCII
557 * and case sensitive for all other languaages)
560 g_assert (sizeof (gunichar) == sizeof (Unicode));
561 ucs4 = g_utf8_to_ucs4_fast (search_string, -1,
564 if (pdf_document->search &&
565 pdf_document->search->ucs4_len == ucs4_len &&
566 memcmp (pdf_document->search->ucs4,
568 sizeof (gunichar) * ucs4_len) == 0) {
569 /* Search is unchanged */
574 if (pdf_document->search) {
575 pdf_document_search_free (pdf_document->search);
576 pdf_document->search = NULL;
579 search = g_new0 (PdfDocumentSearch, 1);
582 search->ucs4_len = ucs4_len;
584 search->current_page_results = g_array_new (FALSE,
586 sizeof (EvFindResult));
587 n_pages = ev_document_get_n_pages (EV_DOCUMENT (document));
589 /* This is an array of bool; with the first value ignored
590 * so we can index by the based-at-1 page numbers
592 search->other_page_flags = g_new0 (guchar, n_pages + 1);
594 search->document = pdf_document;
596 /* We add at low priority so the progress bar repaints */
597 search->idle = g_idle_add_full (G_PRIORITY_LOW,
598 pdf_document_search_idle_callback,
602 search->output_dev = 0;
604 search->start_page = pdf_document->page;
605 search->search_page = search->start_page + 1;
606 if (search->search_page > n_pages)
607 search->search_page = 1;
609 search->current_page = -1;
611 pdf_document->search = search;
613 /* Update for the current page right away */
614 pdf_document_search_page_changed (search);
618 pdf_document_find_cancel (EvDocumentFind *document)
620 PdfDocument *pdf_document = PDF_DOCUMENT (document);
622 if (pdf_document->search) {
623 pdf_document_search_free (pdf_document->search);
624 pdf_document->search = NULL;
629 pdf_document_search_free (PdfDocumentSearch *search)
631 if (search->idle != 0)
632 g_source_remove (search->idle);
634 if (search->output_dev)
635 delete search->output_dev;
637 g_array_free (search->current_page_results, TRUE);
638 g_free (search->other_page_flags);
640 g_free (search->ucs4);
645 pdf_document_ps_export_begin (EvPSExporter *exporter, const char *filename)
647 PdfDocument *document = PDF_DOCUMENT (exporter);
649 if (document->ps_out)
650 delete document->ps_out;
652 document->ps_out = new PSOutputDev ((char *)filename, document->doc->getXRef(),
653 document->doc->getCatalog(), 1,
654 ev_document_get_n_pages (EV_DOCUMENT (document)),
659 pdf_document_ps_export_do_page (EvPSExporter *exporter, int page)
661 PdfDocument *document = PDF_DOCUMENT (exporter);
663 document->doc->displayPage (document->ps_out, page,
664 72.0, 72.0, 0, gTrue, gFalse);
668 pdf_document_ps_export_end (EvPSExporter *exporter)
670 PdfDocument *document = PDF_DOCUMENT (exporter);
672 delete document->ps_out;
673 document->ps_out = NULL;
677 /* EvDocumentBookmarks Implementation */
680 /* goo GList, not glib */
687 unicode_to_char (OutlineItem *outline_item,
691 gchar buf[8]; /* 8 is enough for mapping an unicode char to a string */
694 for (i = 0; i < outline_item->getTitleLength(); ++i) {
695 n = uMap->mapUnicode(outline_item->getTitle()[i], buf, sizeof(buf));
699 return g_strdup (gstr.getCString ());
704 pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_bookmarks)
706 PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
709 g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
711 outline = pdf_document->doc->getOutline();
712 if (outline->getItems() != NULL &&
713 outline->getItems()->getLength() > 0)
719 static EvDocumentBookmarksIter *
720 pdf_document_bookmarks_begin_read (EvDocumentBookmarks *document_bookmarks)
722 PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
727 g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), NULL);
729 outline = pdf_document->doc->getOutline();
730 items = outline->getItems();
734 iter = g_new0 (BookmarksIter, 1);
739 return (EvDocumentBookmarksIter *) iter;
743 pdf_document_bookmarks_get_values (EvDocumentBookmarks *document_bookmarks,
744 EvDocumentBookmarksIter *bookmarks_iter,
746 EvDocumentBookmarksType *type,
749 PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
750 BookmarksIter *iter = (BookmarksIter *)bookmarks_iter;
752 LinkAction *link_action;
753 LinkDest *link_dest = NULL;
754 LinkURI *link_uri = NULL;
755 LinkGoTo *link_goto = NULL;
761 g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
762 g_return_val_if_fail (iter != NULL, FALSE);
763 g_return_val_if_fail (title != NULL, FALSE);
764 g_return_val_if_fail (type != NULL, FALSE);
765 g_return_val_if_fail (page != NULL, FALSE);
767 anItem = (OutlineItem *)iter->items->get(iter->index);
768 link_action = anItem->getAction ();
769 link_title = anItem->getTitle ();
772 switch (link_action->getKind ()) {
775 link_goto = dynamic_cast <LinkGoTo *> (link_action);
776 link_dest = link_goto->getDest ();
777 named_dest = link_goto->getNamedDest ();
779 /* Wow! This seems excessively slow on large
780 * documents. I need to investigate more... -jrb */
781 if (link_dest != NULL) {
782 link_dest = link_dest->copy ();
783 } else if (named_dest != NULL) {
784 named_dest = named_dest->copy ();
785 link_dest = pdf_document->doc->findDest (named_dest);
788 if (link_dest != NULL) {
789 if (link_dest->isPageRef ()) {
790 page_ref = link_dest->getPageRef ();
791 page_num = pdf_document->doc->findPage (page_ref.num, page_ref.gen);
793 page_num = link_dest->getPageNum ();
801 link_uri = dynamic_cast <LinkURI *> (link_action);
807 g_warning ("Unknown link action type: %d", link_action->getKind ());
810 *title = g_strdup (unicode_to_char (anItem, pdf_document->umap));
811 } else if (link_title) {
812 *title = g_strdup (unicode_to_char (anItem, pdf_document->umap));
815 *type = EV_DOCUMENT_BOOKMARKS_TYPE_LINK;
821 static EvDocumentBookmarksIter *
822 pdf_document_bookmarks_get_child (EvDocumentBookmarks *document_bookmarks,
823 EvDocumentBookmarksIter *bookmarks_iter)
825 BookmarksIter *iter = (BookmarksIter *)bookmarks_iter;
826 BookmarksIter *child_iter;
829 g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
831 anItem = (OutlineItem *)iter->items->get(iter->index);
833 if (! (anItem->hasKids() && anItem->getKids()) )
836 child_iter = g_new0 (BookmarksIter, 1);
837 child_iter->index = 0;
838 child_iter->level = iter->level + 1;
839 child_iter->items = anItem->getKids ();
840 g_assert (child_iter->items);
842 return (EvDocumentBookmarksIter *) child_iter;
846 pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks,
847 EvDocumentBookmarksIter *bookmarks_iter)
849 BookmarksIter *iter = (BookmarksIter *) bookmarks_iter;
851 g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
854 if (iter->index >= iter->items->getLength())
861 pdf_document_bookmarks_free_iter (EvDocumentBookmarks *document_bookmarks,
862 EvDocumentBookmarksIter *iter)
864 g_return_if_fail (PDF_IS_DOCUMENT (document_bookmarks));
865 g_return_if_fail (iter != NULL);
867 /* FIXME: Should I close all the nodes?? Free them? */
872 pdf_document_finalize (GObject *object)
874 PdfDocument *pdf_document = PDF_DOCUMENT (object);
876 if (pdf_document->umap) {
877 pdf_document->umap->decRefCnt ();
878 pdf_document->umap = NULL;
881 if (pdf_document->search)
882 pdf_document_search_free (pdf_document->search);
884 if (pdf_document->target)
885 g_object_unref (pdf_document->target);
887 if (pdf_document->out)
888 delete pdf_document->out;
889 if (pdf_document->ps_out)
890 delete pdf_document->ps_out;
891 if (pdf_document->doc)
892 delete pdf_document->doc;
897 pdf_document_set_property (GObject *object,
912 has_unicode_marker (GString *string)
914 return ((string->getChar (0) & 0xff) == 0xfe &&
915 (string->getChar (1) & 0xff) == 0xff);
919 pdf_info_dict_get_string (Dict *info_dict, const gchar *key) {
924 g_return_val_if_fail (info_dict != NULL, NULL);
925 g_return_val_if_fail (key != NULL, NULL);
927 if (!info_dict->lookup ((gchar *)key, &obj)->isString ()) {
929 return g_strdup (_("Unknown"));
932 value = obj.getString ();
934 if (has_unicode_marker (value)) {
935 result = g_convert (value->getCString () + 2,
936 value->getLength () - 2,
937 "UTF-8", "UTF-16BE", NULL, NULL, NULL);
939 result = g_strndup (value->getCString (), value->getLength ());
948 pdf_document_get_title (PdfDocument *pdf_document)
953 pdf_document->doc->getDocInfo (&info);
955 if (info.isDict ()) {
956 title = pdf_info_dict_get_string (info.getDict(), "Title");
963 pdf_document_get_text (EvDocument *document, GdkRectangle *rect)
965 PdfDocument *pdf_document = PDF_DOCUMENT (document);
966 GString *sel_text = new GString;
972 x2 = x1 + rect->width;
973 y2 = y1 + rect->height;
975 sel_text = pdf_document->out->getText (x1, y1, x2, y2);
976 text = sel_text->getCString ();
978 return text ? g_strdup (text) : NULL;
982 pdf_document_get_property (GObject *object,
987 PdfDocument *pdf_document = PDF_DOCUMENT (object);
993 title = pdf_document_get_title (pdf_document);
994 g_value_set_string (value, title);
1001 pdf_document_class_init (PdfDocumentClass *klass)
1003 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
1005 gobject_class->finalize = pdf_document_finalize;
1006 gobject_class->get_property = pdf_document_get_property;
1007 gobject_class->set_property = pdf_document_set_property;
1009 g_object_class_override_property (gobject_class, PROP_TITLE, "title");
1013 pdf_document_document_iface_init (EvDocumentIface *iface)
1015 iface->load = pdf_document_load;
1016 iface->save = pdf_document_save;
1017 iface->get_text = pdf_document_get_text;
1018 iface->get_n_pages = pdf_document_get_n_pages;
1019 iface->set_page = pdf_document_set_page;
1020 iface->get_page = pdf_document_get_page;
1021 iface->set_scale = pdf_document_set_scale;
1022 iface->set_target = pdf_document_set_target;
1023 iface->set_page_offset = pdf_document_set_page_offset;
1024 iface->get_page_size = pdf_document_get_page_size;
1025 iface->render = pdf_document_render;
1029 pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface)
1031 iface->begin = pdf_document_ps_export_begin;
1032 iface->do_page = pdf_document_ps_export_do_page;
1033 iface->end = pdf_document_ps_export_end;
1038 pdf_document_find_iface_init (EvDocumentFindIface *iface)
1040 iface->begin = pdf_document_find_begin;
1041 iface->cancel = pdf_document_find_cancel;
1045 pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface)
1047 iface->has_document_bookmarks = pdf_document_bookmarks_has_document_bookmarks;
1048 iface->begin_read = pdf_document_bookmarks_begin_read;
1049 iface->get_values = pdf_document_bookmarks_get_values;
1050 iface->get_child = pdf_document_bookmarks_get_child;
1051 iface->next = pdf_document_bookmarks_next;
1052 iface->free_iter = pdf_document_bookmarks_free_iter;
1057 pdf_document_thumbnails_get_page_pixbuf (PdfDocument *pdf_document,
1058 gdouble scale_factor,
1064 GDKSplashOutputDev *output;
1068 pixmap = gdk_pixmap_new (pdf_document->target,
1071 output = new GDKSplashOutputDev (gdk_drawable_get_screen (pdf_document->target),
1073 output->startDoc (pdf_document->doc->getXRef());
1074 pdf_document->doc->displayPage (output,
1079 output->redraw (0, 0,
1083 pixbuf = gdk_pixbuf_get_from_drawable (NULL,
1089 gdk_drawable_unref (pixmap);
1092 shadow = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf);
1093 g_object_unref (pixbuf);
1099 pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails,
1103 PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails);
1104 GdkPixbuf *thumbnail;
1107 Thumb *thumb = NULL;
1108 gboolean have_ethumbs = FALSE;
1112 /* getPage seems to want page + 1 for some reason; */
1113 the_page = pdf_document->doc->getCatalog ()->getPage (page + 1);
1114 the_page->getThumb(&the_thumb);
1116 page_ratio = the_page->getHeight () / the_page->getWidth ();
1117 dest_height = (gint) (width * page_ratio);
1120 if (!(the_thumb.isNull () || the_thumb.isNone())) {
1121 /* Build the thumbnail object */
1122 thumb = new Thumb(pdf_document->doc->getXRef (),
1125 have_ethumbs = thumb->ok();
1130 GdkPixbuf *tmp_pixbuf;
1132 data = thumb->getPixbufData();
1133 tmp_pixbuf = gdk_pixbuf_new_from_data (data,
1138 thumb->getHeight (),
1139 thumb->getWidth () * 3,
1141 /* FIXME: do we want to check that the thumb's size isn't ridiculous?? */
1142 thumbnail = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
1143 g_object_unref (tmp_pixbuf);
1145 gdouble scale_factor;
1147 scale_factor = (gdouble)width / the_page->getWidth ();
1149 thumbnail = pdf_document_thumbnails_get_page_pixbuf (pdf_document,
1159 pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
1161 iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
1166 pdf_document_init (PdfDocument *pdf_document)
1168 pdf_document->page = 1;
1169 pdf_document->page_x_offset = 0;
1170 pdf_document->page_y_offset = 0;
1171 pdf_document->scale = 1.;
1173 pdf_document->page_valid = FALSE;