X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=pdf%2Fxpdf%2Fpdf-document.cc;h=255c5abd17f1fa6c50cc94c35211c9826c5f71b1;hb=1cb865554fcb40760784a30c7700b6a751567762;hp=284b3710cefe5392775f2a48927a359ec498de5c;hpb=81ab197b294eaaba8b6b99bf2c259c5adb1e2251;p=evince.git diff --git a/pdf/xpdf/pdf-document.cc b/pdf/xpdf/pdf-document.cc index 284b3710..255c5abd 100644 --- a/pdf/xpdf/pdf-document.cc +++ b/pdf/xpdf/pdf-document.cc @@ -24,13 +24,21 @@ #include "ev-ps-exporter.h" #include "ev-document-find.h" #include "gpdf-g-switch.h" +#include "ev-document-links.h" +#include "ev-document-misc.h" +#include "ev-document-security.h" +#include "ev-document-thumbnails.h" #include "GlobalParams.h" #include "GDKSplashOutputDev.h" +#include "SplashBitmap.h" #include "PDFDoc.h" #include "Outline.h" +#include "ErrorCodes.h" #include "UnicodeMap.h" #include "GlobalParams.h" +#include "GfxState.h" +#include "Thumb.h" #include "goo/GList.h" #include "PSOutputDev.h" @@ -48,7 +56,7 @@ typedef struct /* full results are only possible for the rendered current page */ int current_page; GArray *current_page_results; - guchar *other_page_flags; /* length n_pages + 1, first element ignored */ + int *other_page_flags; /* length n_pages + 1, first element ignored */ int start_page; /* skip this one as we iterate, since we did it first */ int search_page; /* the page we're searching now */ TextOutputDev *output_dev; @@ -78,32 +86,56 @@ struct _PdfDocument GDKSplashOutputDev *out; PSOutputDev *ps_out; PDFDoc *doc; + Links *links; UnicodeMap *umap; + gchar *password; gboolean page_valid; PdfDocumentSearch *search; }; -static void pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface); -static void pdf_document_document_iface_init (EvDocumentIface *iface); -static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface); -static void pdf_document_find_iface_init (EvDocumentFindIface *iface); -static void pdf_document_search_free (PdfDocumentSearch *search); -static void pdf_document_search_page_changed (PdfDocumentSearch *search); +static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface); +static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); +static void pdf_document_document_iface_init (EvDocumentIface *iface); +static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface); +static void pdf_document_find_iface_init (EvDocumentFindIface *iface); +static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface); +static void pdf_document_search_free (PdfDocumentSearch *search); +static void pdf_document_search_page_changed (PdfDocumentSearch *search); + G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT, { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, pdf_document_document_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_BOOKMARKS, - pdf_document_document_bookmarks_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, + pdf_document_document_links_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, + pdf_document_document_thumbnails_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER, pdf_document_ps_exporter_iface_init); G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, pdf_document_find_iface_init); + G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY, + pdf_document_security_iface_init); }); +static void +document_init_links (PdfDocument *pdf_document) +{ + Page *page; + Object obj; + + if (pdf_document->links) { + delete pdf_document->links; + } + page = pdf_document->doc->getCatalog ()->getPage (pdf_document->page); + pdf_document->links = new Links (page->getAnnots (&obj), + pdf_document->doc->getCatalog ()->getBaseURI ()); + obj.free (); +} + static gboolean document_validate_page (PdfDocument *pdf_document) { @@ -113,15 +145,19 @@ document_validate_page (PdfDocument *pdf_document) 72 * pdf_document->scale, 0, gTrue, gTrue); + document_init_links (pdf_document); + pdf_document->page_valid = TRUE; + ev_document_changed (EV_DOCUMENT (pdf_document)); + /* Update the search results available to the app since * we only provide full results on the current page */ if (pdf_document->search) pdf_document_search_page_changed (pdf_document->search); } - + return pdf_document->page_valid; } @@ -135,7 +171,7 @@ pdf_document_load (EvDocument *document, int err; char *filename; GString *filename_g; - GString *enc; + GString *enc; if (!globalParams) { globalParams = new GlobalParams("/etc/xpdfrc"); @@ -145,7 +181,7 @@ pdf_document_load (EvDocument *document, if (! pdf_document->umap) { enc = new GString("UTF-8"); pdf_document->umap = globalParams->getUnicodeMap(enc); - pdf_document->umap->incRefCnt (); + pdf_document->umap->incRefCnt (); delete enc; } @@ -157,18 +193,27 @@ pdf_document_load (EvDocument *document, g_free (filename); // open the PDF file, assumes ownership of filename_g - newDoc = new PDFDoc(filename_g, 0, 0); + GString *password = NULL; + if (pdf_document->password) + password = new GString (pdf_document->password); + newDoc = new PDFDoc(filename_g, password, password); + if (password) + delete password; if (!newDoc->isOk()) { err = newDoc->getErrorCode(); delete newDoc; - - /* FIXME: Add a real error enum to EvDocument */ - g_set_error (error, G_FILE_ERROR, - G_FILE_ERROR_FAILED, - "Failed to load document (error %d) '%s'\n", - err, - uri); + if (err == errEncrypted) { + g_set_error (error, EV_DOCUMENT_ERROR, + EV_DOCUMENT_ERROR_ENCRYPTED, + "Document is encrypted."); + } else { + g_set_error (error, G_FILE_ERROR, + G_FILE_ERROR_FAILED, + "Failed to load document (error %d) '%s'\n", + err, + uri); + } return FALSE; } @@ -189,6 +234,25 @@ pdf_document_load (EvDocument *document, return TRUE; } +static gboolean +pdf_document_save (EvDocument *document, + const char *uri, + GError **error) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + char *filename; + gboolean retval = FALSE; + + filename = g_filename_from_uri (uri, NULL, error); + if (filename != NULL) { + GString *fname = new GString (filename); + + retval = pdf_document->doc->saveAs (fname); + } + + return retval; +} + static int pdf_document_get_n_pages (EvDocument *document) { @@ -212,8 +276,6 @@ pdf_document_set_page (EvDocument *document, pdf_document->page = page; pdf_document->page_valid = FALSE; } - - ev_document_changed (document); } static int @@ -288,21 +350,32 @@ pdf_document_set_page_offset (EvDocument *document, static void pdf_document_get_page_size (EvDocument *document, + int page, int *width, int *height) { PdfDocument *pdf_document = PDF_DOCUMENT (document); + Page *the_page; + + /* set some default values */ + if (width) + *width = 1; + if (height) + *height = 1; - if (document_validate_page (pdf_document)) { + + if (page == -1 && document_validate_page (pdf_document)) { if (width) *width = pdf_document->out->getBitmapWidth(); if (height) *height = pdf_document->out->getBitmapHeight(); - } else { - if (width) - *width = 1; - if (height) - *height = 1; + return; + } + + the_page = pdf_document->doc->getCatalog ()->getPage (page); + if (the_page) { + *width = (int) the_page->getWidth (); + *height = (int) the_page->getHeight (); } } @@ -337,61 +410,76 @@ pdf_document_render (EvDocument *document, draw.width, draw.height); } -static void -pdf_document_search_emit_found (PdfDocumentSearch *search) +double +pdf_document_find_get_progress (EvDocumentFind *document_find) { - PdfDocument *pdf_document = search->document; - int n_pages; - int pages_done; - GArray *tmp_results; - int i; + PdfDocumentSearch *search; + int n_pages, pages_done; - n_pages = ev_document_get_n_pages (EV_DOCUMENT (search->document)); - if (search->search_page > search->start_page) { - pages_done = search->search_page - search->start_page; - } else if (search->search_page == search->start_page) { - pages_done = n_pages; - } else { - pages_done = n_pages - search->start_page + search->search_page; - } + search = PDF_DOCUMENT (document_find)->search; - tmp_results = g_array_new (FALSE, FALSE, sizeof (EvFindResult)); - g_array_append_vals (tmp_results, - search->current_page_results->data, - search->current_page_results->len); + if (search == NULL) { + return 0; + } - /* Now append a bogus element for each page that has a result in it, - * that is not the current page - */ - i = 1; - while (i <= n_pages) { - if (i != pdf_document->page && - search->other_page_flags[i]) { - EvFindResult result; - - result.page_num = i; - - /* Use bogus coordinates, again we can't get coordinates - * until this is the current page because TextOutputDev - * isn't good enough - */ - result.highlight_area.x = -1; - result.highlight_area.y = -1; - result.highlight_area.width = 1; - result.highlight_area.height = 1; - - g_array_append_val (tmp_results, result); - } + n_pages = ev_document_get_n_pages (EV_DOCUMENT (document_find)); + if (search->search_page > search->start_page) { + pages_done = search->search_page - search->start_page + 1; + } else if (search->search_page == search->start_page) { + pages_done = n_pages; + } else { + pages_done = n_pages - search->start_page + search->search_page; + } - ++i; - } - - ev_document_find_found (EV_DOCUMENT_FIND (pdf_document), - (EvFindResult*) tmp_results->data, - tmp_results->len, - pages_done / (double) n_pages); - - g_array_free (tmp_results, TRUE); + return pages_done / (double) n_pages; +} + +int +pdf_document_find_page_has_results (EvDocumentFind *document_find, + int page) +{ + PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search; + + g_return_val_if_fail (search != NULL, FALSE); + + return search->other_page_flags[page]; +} + +int +pdf_document_find_get_n_results (EvDocumentFind *document_find) +{ + PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search; + + if (search) { + return search->current_page_results->len; + } else { + return 0; + } +} + +gboolean +pdf_document_find_get_result (EvDocumentFind *document_find, + int n_result, + GdkRectangle *rectangle) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_find); + PdfDocumentSearch *search = pdf_document->search; + GdkRectangle r; + + if (search != NULL && + n_result < search->current_page_results->len) { + r = g_array_index (search->current_page_results, + GdkRectangle, n_result); + + rectangle->x = r.x + pdf_document->page_x_offset; + rectangle->y = r.y + pdf_document->page_y_offset; + rectangle->width = r.width; + rectangle->height = r.height; + + return TRUE; + } else { + return FALSE; + } } static void @@ -399,7 +487,7 @@ pdf_document_search_page_changed (PdfDocumentSearch *search) { PdfDocument *pdf_document = search->document; int current_page; - EvFindResult result; + GdkRectangle result; int xMin, yMin, xMax, yMax; current_page = pdf_document->page; @@ -409,23 +497,21 @@ pdf_document_search_page_changed (PdfDocumentSearch *search) search->current_page = -1; return; } - + if (search->current_page == current_page) return; - + /* We need to create current_page_results for the new current page */ g_array_set_size (search->current_page_results, 0); - + if (pdf_document->out->findText (search->ucs4, search->ucs4_len, gTrue, gTrue, // startAtTop, stopAtBottom gFalse, gFalse, // startAtLast, stopAtLast &xMin, &yMin, &xMax, &yMax)) { - result.page_num = pdf_document->page; - - result.highlight_area.x = xMin; - result.highlight_area.y = yMin; - result.highlight_area.width = xMax - xMin; - result.highlight_area.height = yMax - yMin; + result.x = xMin; + result.y = yMin; + result.width = xMax - xMin; + result.height = yMax - yMin; g_array_append_val (search->current_page_results, result); /* Now find further results */ @@ -434,25 +520,14 @@ pdf_document_search_page_changed (PdfDocumentSearch *search) gFalse, gTrue, gTrue, gFalse, &xMin, &yMin, &xMax, &yMax)) { + result.x = xMin; + result.y = yMin; + result.width = xMax - xMin; + result.height = yMax - yMin; - result.page_num = pdf_document->page; - - result.highlight_area.x = xMin; - result.highlight_area.y = yMin; - result.highlight_area.width = xMax - xMin; - result.highlight_area.height = yMax - yMin; - g_array_append_val (search->current_page_results, result); } } - - /* needed for the initial current page since we don't search - * it in the idle - */ - search->other_page_flags[current_page] = - search->current_page_results->len > 0; - - pdf_document_search_emit_found (search); } static gboolean @@ -460,7 +535,7 @@ pdf_document_search_idle_callback (void *data) { PdfDocumentSearch *search = (PdfDocumentSearch*) data; PdfDocument *pdf_document = search->document; - int n_pages; + int n_pages, changed_page; double xMin, yMin, xMax, yMax; /* Note that PDF page count is 1 through n_pages INCLUSIVE @@ -472,10 +547,6 @@ pdf_document_search_idle_callback (void *data) */ n_pages = ev_document_get_n_pages (EV_DOCUMENT (search->document)); - if (search->search_page == search->start_page) { - goto end_search; - } - if (search->output_dev == 0) { /* First time through here... */ search->output_dev = new TextOutputDev (NULL, gTrue, gFalse, gFalse); @@ -483,7 +554,7 @@ pdf_document_search_idle_callback (void *data) goto end_search; } } - + pdf_document->doc->displayPage (search->output_dev, search->search_page, 72, 72, 0, gTrue, gFalse); @@ -494,21 +565,26 @@ pdf_document_search_idle_callback (void *data) gFalse, gFalse, // startAtLast, stopAtLast &xMin, &yMin, &xMax, &yMax)) { /* This page has results */ - search->other_page_flags[search->search_page] = TRUE; - } - + search->other_page_flags[search->search_page] = 1; + } else { + search->other_page_flags[search->search_page] = 0; + } + + changed_page = search->start_page; + search->search_page += 1; if (search->search_page > n_pages) { /* wrap around */ search->search_page = 1; } - /* We do this even if nothing was found, to update the percent complete */ - pdf_document_search_emit_found (search); - - return TRUE; + if (search->search_page != search->start_page) { + ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document), + changed_page); + return TRUE; + } - end_search: +end_search: /* We're done. */ search->idle = 0; /* will return FALSE to remove */ return FALSE; @@ -521,7 +597,7 @@ pdf_document_find_begin (EvDocumentFind *document, { PdfDocument *pdf_document = PDF_DOCUMENT (document); PdfDocumentSearch *search; - int n_pages; + int n_pages, i; gunichar *ucs4; glong ucs4_len; @@ -529,7 +605,7 @@ pdf_document_find_begin (EvDocumentFind *document, * code is always case insensitive for ASCII * and case sensitive for all other languaages) */ - + g_assert (sizeof (gunichar) == sizeof (Unicode)); ucs4 = g_utf8_to_ucs4_fast (search_string, -1, &ucs4_len); @@ -548,22 +624,22 @@ pdf_document_find_begin (EvDocumentFind *document, pdf_document_search_free (pdf_document->search); pdf_document->search = NULL; } - + search = g_new0 (PdfDocumentSearch, 1); search->ucs4 = ucs4; search->ucs4_len = ucs4_len; - + search->current_page_results = g_array_new (FALSE, FALSE, - sizeof (EvFindResult)); - n_pages = ev_document_get_n_pages (EV_DOCUMENT (document)); + sizeof (GdkRectangle)); + n_pages = ev_document_get_n_pages (EV_DOCUMENT (document)); + + search->other_page_flags = g_new0 (int, n_pages + 1); + for (i = 0; i <= n_pages; i++) { + search->other_page_flags[i] = -1; + } - /* This is an array of bool; with the first value ignored - * so we can index by the based-at-1 page numbers - */ - search->other_page_flags = g_new0 (guchar, n_pages + 1); - search->document = pdf_document; /* We add at low priority so the progress bar repaints */ @@ -575,20 +651,18 @@ pdf_document_find_begin (EvDocumentFind *document, search->output_dev = 0; search->start_page = pdf_document->page; - search->search_page = search->start_page + 1; - if (search->search_page > n_pages) - search->search_page = 1; + search->search_page = search->start_page; search->current_page = -1; pdf_document->search = search; - + /* Update for the current page right away */ pdf_document_search_page_changed (search); } static void -pdf_document_find_cancel (EvDocumentFind *document) +pdf_document_find_cancel (EvDocumentFind *document) { PdfDocument *pdf_document = PDF_DOCUMENT (document); @@ -606,14 +680,33 @@ pdf_document_search_free (PdfDocumentSearch *search) if (search->output_dev) delete search->output_dev; - + g_array_free (search->current_page_results, TRUE); g_free (search->other_page_flags); - + g_free (search->ucs4); g_free (search); } +static gboolean +pdf_document_has_document_security (EvDocumentSecurity *document_security) +{ + /* FIXME: do we really need to have this? */ + return FALSE; +} + +static void +pdf_document_set_password (EvDocumentSecurity *document_security, + const char *password) +{ + PdfDocument *document = PDF_DOCUMENT (document_security); + + if (document->password) + g_free (document->password); + + document->password = g_strdup (password); +} + static void pdf_document_ps_export_begin (EvPSExporter *exporter, const char *filename) { @@ -625,7 +718,7 @@ pdf_document_ps_export_begin (EvPSExporter *exporter, const char *filename) document->ps_out = new PSOutputDev ((char *)filename, document->doc->getXRef(), document->doc->getCatalog(), 1, ev_document_get_n_pages (EV_DOCUMENT (document)), - psModePS); + psModePS); } static void @@ -647,23 +740,23 @@ pdf_document_ps_export_end (EvPSExporter *exporter) } -/* EvDocumentBookmarks Implementation */ +/* EvDocumentLinks Implementation */ typedef struct { /* goo GList, not glib */ GList *items; int index; int level; -} BookmarksIter; +} LinksIter; static gchar * -unicode_to_char (OutlineItem *outline_item, +unicode_to_char (OutlineItem *outline_item, UnicodeMap *uMap) { GString gstr; gchar buf[8]; /* 8 is enough for mapping an unicode char to a string */ int i, n; - + for (i = 0; i < outline_item->getTitleLength(); ++i) { n = uMap->mapUnicode(outline_item->getTitle()[i], buf, sizeof(buf)); gstr.append(buf, n); @@ -674,12 +767,12 @@ unicode_to_char (OutlineItem *outline_item, static gboolean -pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_bookmarks) +pdf_document_links_has_document_links (EvDocumentLinks *document_links) { - PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks); + PdfDocument *pdf_document = PDF_DOCUMENT (document_links); Outline *outline; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); outline = pdf_document->doc->getOutline(); if (outline->getItems() != NULL && @@ -689,139 +782,137 @@ pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_boo return FALSE; } -static EvDocumentBookmarksIter * -pdf_document_bookmarks_begin_read (EvDocumentBookmarks *document_bookmarks) +static EvDocumentLinksIter * +pdf_document_links_begin_read (EvDocumentLinks *document_links) { - PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks); + PdfDocument *pdf_document = PDF_DOCUMENT (document_links); Outline *outline; - BookmarksIter *iter; + LinksIter *iter; GList *items; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), NULL); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), NULL); outline = pdf_document->doc->getOutline(); items = outline->getItems(); if (! items) return NULL; - iter = g_new0 (BookmarksIter, 1); + iter = g_new0 (LinksIter, 1); iter->items = items; iter->index = 0; iter->level = 0; - return (EvDocumentBookmarksIter *) iter; + return (EvDocumentLinksIter *) iter; } -static gboolean -pdf_document_bookmarks_get_values (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *bookmarks_iter, - char **title, - EvDocumentBookmarksType *type, - gint *page) -{ - PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks); - BookmarksIter *iter = (BookmarksIter *)bookmarks_iter; +static EvLink * +build_link_from_action (PdfDocument *pdf_document, + LinkAction *link_action, + const char *title) +{ + EvLink *link = NULL; + + if (link_action == NULL) { + link = ev_link_new_title (title); + } else if (link_action->getKind () == actionGoTo) { + LinkDest *link_dest; + LinkGoTo *link_goto; + Ref page_ref; + gint page_num = 0; + GString *named_dest; + + link_goto = dynamic_cast (link_action); + link_dest = link_goto->getDest (); + named_dest = link_goto->getNamedDest (); + + /* Wow! This seems excessively slow on large + * documents. I need to investigate more... -jrb */ + if (link_dest != NULL) { + link_dest = link_dest->copy (); + } else if (named_dest != NULL) { + named_dest = named_dest->copy (); + link_dest = pdf_document->doc->findDest (named_dest); + delete named_dest; + } + if (link_dest != NULL) { + if (link_dest->isPageRef ()) { + page_ref = link_dest->getPageRef (); + page_num = pdf_document->doc->findPage (page_ref.num, page_ref.gen); + } else { + page_num = link_dest->getPageNum (); + } + delete link_dest; + } + + link = ev_link_new_page (title, page_num); + } else if (link_action->getKind () == actionURI) { + LinkURI *link_uri; + + link_uri = dynamic_cast (link_action); + link = ev_link_new_external + (title, link_uri->getURI()->getCString()); + } else if (link_action->getKind () == actionNamed) { + /*Skip, for now */ + } + + return link; +} + +/* FIXME This returns a new object every time, probably we should cache it + in the iter */ +static EvLink * +pdf_document_links_get_link (EvDocumentLinks *document_links, + EvDocumentLinksIter *links_iter) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_links); + LinksIter *iter = (LinksIter *)links_iter; OutlineItem *anItem; LinkAction *link_action; - LinkDest *link_dest = NULL; - LinkURI *link_uri = NULL; - LinkGoTo *link_goto = NULL; - GString *named_dest; Unicode *link_title; - Ref page_ref; - gint page_num = -1; + const char *title; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); g_return_val_if_fail (iter != NULL, FALSE); - g_return_val_if_fail (title != NULL, FALSE); - g_return_val_if_fail (type != NULL, FALSE); - g_return_val_if_fail (page != NULL, FALSE); anItem = (OutlineItem *)iter->items->get(iter->index); link_action = anItem->getAction (); - link_title = anItem->getTitle (); - - if (link_action) { - switch (link_action->getKind ()) { - - case actionGoTo: - link_goto = dynamic_cast (link_action); - link_dest = link_goto->getDest (); - named_dest = link_goto->getNamedDest (); - - /* Wow! This seems excessively slow on large - * documents. I need to investigate more... -jrb */ - if (link_dest != NULL) { - link_dest = link_dest->copy (); - } else if (named_dest != NULL) { - named_dest = named_dest->copy (); - link_dest = pdf_document->doc->findDest (named_dest); - delete named_dest; - } - if (link_dest != NULL) { - if (link_dest->isPageRef ()) { - page_ref = link_dest->getPageRef (); - page_num = pdf_document->doc->findPage (page_ref.num, page_ref.gen); - } else { - page_num = link_dest->getPageNum (); - } - - delete link_dest; - } - - break; - case actionURI: - link_uri = dynamic_cast (link_action); - break; - - case actionNamed: - /*Skip, for now */ - default: - g_warning ("Unknown link action type: %d", link_action->getKind ()); - } - - *title = g_strdup (unicode_to_char (anItem, pdf_document->umap)); - } else if (link_title) { - *title = g_strdup (unicode_to_char (anItem, pdf_document->umap)); - } + link_title = anItem->getTitle (); + title = unicode_to_char (anItem, pdf_document->umap); - *type = EV_DOCUMENT_BOOKMARKS_TYPE_LINK; - *page = page_num; - - return TRUE; + return build_link_from_action (pdf_document, link_action, title); } -static EvDocumentBookmarksIter * -pdf_document_bookmarks_get_child (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *bookmarks_iter) +static EvDocumentLinksIter * +pdf_document_links_get_child (EvDocumentLinks *document_links, + EvDocumentLinksIter *links_iter) { - BookmarksIter *iter = (BookmarksIter *)bookmarks_iter; - BookmarksIter *child_iter; + LinksIter *iter = (LinksIter *)links_iter; + LinksIter *child_iter; OutlineItem *anItem; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); anItem = (OutlineItem *)iter->items->get(iter->index); anItem->open (); if (! (anItem->hasKids() && anItem->getKids()) ) return NULL; - child_iter = g_new0 (BookmarksIter, 1); + child_iter = g_new0 (LinksIter, 1); child_iter->index = 0; child_iter->level = iter->level + 1; child_iter->items = anItem->getKids (); g_assert (child_iter->items); - return (EvDocumentBookmarksIter *) child_iter; + return (EvDocumentLinksIter *) child_iter; } static gboolean -pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *bookmarks_iter) +pdf_document_links_next (EvDocumentLinks *document_links, + EvDocumentLinksIter *links_iter) { - BookmarksIter *iter = (BookmarksIter *) bookmarks_iter; + LinksIter *iter = (LinksIter *) links_iter; - g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE); + g_return_val_if_fail (PDF_IS_DOCUMENT (document_links), FALSE); iter->index++; if (iter->index >= iter->items->getLength()) @@ -831,10 +922,10 @@ pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks, } static void -pdf_document_bookmarks_free_iter (EvDocumentBookmarks *document_bookmarks, - EvDocumentBookmarksIter *iter) +pdf_document_links_free_iter (EvDocumentLinks *document_links, + EvDocumentLinksIter *iter) { - g_return_if_fail (PDF_IS_DOCUMENT (document_bookmarks)); + g_return_if_fail (PDF_IS_DOCUMENT (document_links)); g_return_if_fail (iter != NULL); /* FIXME: Should I close all the nodes?? Free them? */ @@ -846,6 +937,10 @@ pdf_document_finalize (GObject *object) { PdfDocument *pdf_document = PDF_DOCUMENT (object); + if (pdf_document->links) { + delete pdf_document->links; + } + if (pdf_document->umap) { pdf_document->umap->decRefCnt (); pdf_document->umap = NULL; @@ -853,7 +948,7 @@ pdf_document_finalize (GObject *object) if (pdf_document->search) pdf_document_search_free (pdf_document->search); - + if (pdf_document->target) g_object_unref (pdf_document->target); @@ -899,7 +994,7 @@ pdf_info_dict_get_string (Dict *info_dict, const gchar *key) { if (!info_dict->lookup ((gchar *)key, &obj)->isString ()) { obj.free (); - return g_strdup (_("Unknown")); + return NULL; } value = obj.getString (); @@ -920,9 +1015,11 @@ pdf_info_dict_get_string (Dict *info_dict, const gchar *key) { static char * pdf_document_get_title (PdfDocument *pdf_document) { - char *title; + char *title = NULL; Object info; + if (pdf_document->doc == NULL) + return NULL; pdf_document->doc->getDocInfo (&info); if (info.isDict ()) { @@ -932,6 +1029,56 @@ pdf_document_get_title (PdfDocument *pdf_document) return title; } +static char * +pdf_document_get_text (EvDocument *document, GdkRectangle *rect) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + GString *sel_text = new GString; + const char *text; + int x1, y1, x2, y2; + + x1 = rect->x + pdf_document->page_x_offset; + y1 = rect->y + pdf_document->page_y_offset; + x2 = x1 + rect->width + pdf_document->page_x_offset; + y2 = y1 + rect->height + pdf_document->page_y_offset; + + sel_text = pdf_document->out->getText (x1, y1, x2, y2); + text = sel_text->getCString (); + + return text ? g_strdup (text) : NULL; +} + +static EvLink * +pdf_document_get_link (EvDocument *document, int x, int y) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + LinkAction *action; + double link_x, link_y; + + if (pdf_document->links == NULL) { + return NULL; + } + + /* Offset */ + link_x = x - pdf_document->page_x_offset; + link_y = y - pdf_document->page_y_offset; + + /* Inverse y */ + link_y = pdf_document->out->getBitmapHeight() - link_y; + + /* Zoom */ + link_x = link_x / pdf_document->scale; + link_y = link_y / pdf_document->scale; + + action = pdf_document->links->find (link_x, link_y); + + if (action) { + return build_link_from_action (pdf_document, action, ""); + } else { + return NULL; + } +} + static void pdf_document_get_property (GObject *object, guint prop_id, @@ -967,6 +1114,9 @@ static void pdf_document_document_iface_init (EvDocumentIface *iface) { iface->load = pdf_document_load; + iface->save = pdf_document_save; + iface->get_text = pdf_document_get_text; + iface->get_link = pdf_document_get_link; iface->get_n_pages = pdf_document_get_n_pages; iface->set_page = pdf_document_set_page; iface->get_page = pdf_document_get_page; @@ -990,18 +1140,211 @@ static void pdf_document_find_iface_init (EvDocumentFindIface *iface) { iface->begin = pdf_document_find_begin; + iface->get_n_results = pdf_document_find_get_n_results; + iface->get_result = pdf_document_find_get_result; + iface->page_has_results = pdf_document_find_page_has_results; + iface->get_progress = pdf_document_find_get_progress; iface->cancel = pdf_document_find_cancel; } static void -pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface) +pdf_document_security_iface_init (EvDocumentSecurityIface *iface) +{ + iface->has_document_security = pdf_document_has_document_security; + iface->set_password = pdf_document_set_password; +} + +static void +pdf_document_document_links_iface_init (EvDocumentLinksIface *iface) +{ + iface->has_document_links = pdf_document_links_has_document_links; + iface->begin_read = pdf_document_links_begin_read; + iface->get_link = pdf_document_links_get_link; + iface->get_child = pdf_document_links_get_child; + iface->next = pdf_document_links_next; + iface->free_iter = pdf_document_links_free_iter; +} + +/* Thumbnails */ + +static GdkPixbuf * +bitmap_to_pixbuf (SplashBitmap *bitmap, + GdkPixbuf *target, + gint x_offset, + gint y_offset) +{ + gint width; + gint height; + SplashColorPtr dataPtr; + int x, y; + + gboolean target_has_alpha; + gint target_rowstride; + guchar *target_data; + + width = bitmap->getWidth (); + height = bitmap->getHeight (); + + if (width + x_offset > gdk_pixbuf_get_width (target)) + width = gdk_pixbuf_get_width (target) - x_offset; + if (height + y_offset > gdk_pixbuf_get_height (target)) + height = gdk_pixbuf_get_height (target) - x_offset; + + target_has_alpha = gdk_pixbuf_get_has_alpha (target); + target_rowstride = gdk_pixbuf_get_rowstride (target); + target_data = gdk_pixbuf_get_pixels (target); + + dataPtr = bitmap->getDataPtr (); + + for (y = 0; y < height; y++) { + SplashRGB8 *p; + SplashRGB8 rgb; + guchar *q; + + p = dataPtr.rgb8 + y * width; + q = target_data + ((y + y_offset) * target_rowstride + + x_offset * (target_has_alpha?4:3)); + for (x = 0; x < width; x++) { + rgb = *p++; + + *q++ = splashRGB8R (rgb); + *q++ = splashRGB8G (rgb); + *q++ = splashRGB8B (rgb); + + if (target_has_alpha) + q++; + } + } + + return target; +} + + +static GdkPixbuf * +pdf_document_thumbnails_get_page_pixbuf (PdfDocument *pdf_document, + gdouble scale_factor, + gint page_num, + gint width, + gint height) +{ + SplashOutputDev *output; + GdkPixbuf *pixbuf; + SplashColor color; + + color.rgb8 = splashMakeRGB8 (255, 255, 255); + + output = new SplashOutputDev (splashModeRGB8, gFalse, color); + output->startDoc (pdf_document->doc->getXRef()); + pdf_document->doc->displayPage (output, + page_num + 1, + 72*scale_factor, + 72*scale_factor, + 0, gTrue, gFalse); + + pixbuf = ev_document_misc_get_thumbnail_frame (output->getBitmap()->getWidth(), + output->getBitmap()->getHeight(), + NULL); + bitmap_to_pixbuf (output->getBitmap(), pixbuf, 1, 1); + delete output; + + return pixbuf; +} + +static void +pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, + gint page, + gint suggested_width, + gint *width, + gint *height) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails); + Page *the_page; + Object the_thumb; + Thumb *thumb = NULL; + gdouble page_ratio; + + the_page = pdf_document->doc->getCatalog ()->getPage (page); + the_page->getThumb (&the_thumb); + + if (!(the_thumb.isNull () || the_thumb.isNone())) { + /* Build the thumbnail object */ + thumb = new Thumb(pdf_document->doc->getXRef (), + &the_thumb); + + *width = thumb->getWidth (); + *height = thumb->getHeight (); + } else { + page_ratio = the_page->getHeight () / the_page->getWidth (); + *width = suggested_width; + *height = (gint) (suggested_width * page_ratio); + } +} + +static GdkPixbuf * +pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails, + gint page, + gint width) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails); + GdkPixbuf *thumbnail; + Page *the_page; + Object the_thumb; + Thumb *thumb = NULL; + gboolean have_ethumbs = FALSE; + gdouble page_ratio; + gint dest_height; + + /* getPage seems to want page + 1 for some reason; */ + the_page = pdf_document->doc->getCatalog ()->getPage (page + 1); + the_page->getThumb(&the_thumb); + + page_ratio = the_page->getHeight () / the_page->getWidth (); + dest_height = (gint) (width * page_ratio); + + + if (!(the_thumb.isNull () || the_thumb.isNone())) { + /* Build the thumbnail object */ + thumb = new Thumb(pdf_document->doc->getXRef (), + &the_thumb); + + have_ethumbs = thumb->ok(); + } + + if (have_ethumbs) { + guchar *data; + GdkPixbuf *tmp_pixbuf; + + data = thumb->getPixbufData(); + tmp_pixbuf = gdk_pixbuf_new_from_data (data, + GDK_COLORSPACE_RGB, + FALSE, + 8, + thumb->getWidth (), + thumb->getHeight (), + thumb->getWidth () * 3, + NULL, NULL); + /* FIXME: do we want to check that the thumb's size isn't ridiculous?? */ + thumbnail = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf); + g_object_unref (tmp_pixbuf); + } else { + gdouble scale_factor; + + scale_factor = (gdouble)width / the_page->getWidth (); + + thumbnail = pdf_document_thumbnails_get_page_pixbuf (pdf_document, + scale_factor, + page, + width, + dest_height); + } + + return thumbnail; +} +static void +pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface) { - iface->has_document_bookmarks = pdf_document_bookmarks_has_document_bookmarks; - iface->begin_read = pdf_document_bookmarks_begin_read; - iface->get_values = pdf_document_bookmarks_get_values; - iface->get_child = pdf_document_bookmarks_get_child; - iface->next = pdf_document_bookmarks_next; - iface->free_iter = pdf_document_bookmarks_free_iter; + iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail; + iface->get_dimensions = pdf_document_thumbnails_get_dimensions; } @@ -1014,5 +1357,6 @@ pdf_document_init (PdfDocument *pdf_document) pdf_document->scale = 1.; pdf_document->page_valid = FALSE; + pdf_document->password = NULL; }