X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Fpdf%2Fev-poppler.cc;h=d68c7b173a97219f9fe2d2f9231bbfffba5e6e4b;hb=e5ff2614f59b0076f8a379e490d387efbf0a1cbc;hp=03931a6d468e206a345ba2443e88a3589ceb6cc8;hpb=9044c5e1f5c37ee9b2e6e4d6dbc0bf1abb09701f;p=evince.git diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc index 03931a6d..d68c7b17 100644 --- a/backend/pdf/ev-poppler.cc +++ b/backend/pdf/ev-poppler.cc @@ -43,7 +43,6 @@ #include "ev-document-images.h" #include "ev-document-fonts.h" #include "ev-document-security.h" -#include "ev-document-thumbnails.h" #include "ev-document-transition.h" #include "ev-document-forms.h" #include "ev-document-layers.h" @@ -115,7 +114,6 @@ struct _PdfDocument }; static void pdf_document_security_iface_init (EvDocumentSecurityInterface *iface); -static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface); static void pdf_document_document_links_iface_init (EvDocumentLinksInterface *iface); static void pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface); static void pdf_document_document_forms_iface_init (EvDocumentFormsInterface *iface); @@ -129,10 +127,6 @@ static void pdf_document_file_exporter_iface_init (EvFileExporterInterfac static void pdf_selection_iface_init (EvSelectionInterface *iface); static void pdf_document_page_transition_iface_init (EvDocumentTransitionInterface *iface); static void pdf_document_text_iface_init (EvDocumentTextInterface *iface); -static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, - EvRenderContext *rc, - gint *width, - gint *height); static int pdf_document_get_n_pages (EvDocument *document); static EvLinkDest *ev_link_dest_from_dest (PdfDocument *pdf_document, @@ -149,8 +143,6 @@ EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document, { EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY, pdf_document_security_iface_init); - EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, - pdf_document_document_thumbnails_iface_init); EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, pdf_document_document_links_iface_init); EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES, @@ -407,6 +399,102 @@ pdf_document_render (EvDocument *document, width, height, rc); } +static GdkPixbuf * +make_thumbnail_for_page (PopplerPage *poppler_page, + EvRenderContext *rc, + gint width, + gint height) +{ + GdkPixbuf *pixbuf; + +#ifdef POPPLER_WITH_GDK + pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, + width, height); + gdk_pixbuf_fill (pixbuf, 0xffffffff); + + ev_document_fc_mutex_lock (); + poppler_page_render_to_pixbuf (poppler_page, 0, 0, + width, height, + rc->scale, rc->rotation, pixbuf); + ev_document_fc_mutex_unlock (); +#else + cairo_surface_t *surface; + + ev_document_fc_mutex_lock (); + surface = pdf_page_render (poppler_page, width, height, rc); + ev_document_fc_mutex_unlock (); + + pixbuf = ev_document_misc_pixbuf_from_surface (surface); + cairo_surface_destroy (surface); +#endif /* POPPLER_WITH_GDK */ + + return pixbuf; +} + +static GdkPixbuf * +pdf_document_get_thumbnail (EvDocument *document, + EvRenderContext *rc) +{ + PdfDocument *pdf_document = PDF_DOCUMENT (document); + PopplerPage *poppler_page; + GdkPixbuf *pixbuf = NULL; + GdkPixbuf *border_pixbuf; + double page_width, page_height; + gint width, height; + + poppler_page = POPPLER_PAGE (rc->page->backend_page); + + poppler_page_get_size (poppler_page, + &page_width, &page_height); + + width = MAX ((gint)(page_width * rc->scale + 0.5), 1); + height = MAX ((gint)(page_height * rc->scale + 0.5), 1); + + if (rc->rotation == 90 || rc->rotation == 270) { + gint temp; + + temp = width; + width = height; + height = temp; + } + +#ifdef POPPLER_WITH_GDK + pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page); +#else + cairo_surface_t *surface; + + surface = poppler_page_get_thumbnail (poppler_page); + if (surface) { + pixbuf = ev_document_misc_pixbuf_from_surface (surface); + cairo_surface_destroy (surface); + } +#endif /* POPPLER_WITH_GDK */ + + if (pixbuf != NULL) { + int thumb_width = (rc->rotation == 90 || rc->rotation == 270) ? + gdk_pixbuf_get_height (pixbuf) : + gdk_pixbuf_get_width (pixbuf); + + if (thumb_width == width) { + GdkPixbuf *rotated_pixbuf; + + rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, + (GdkPixbufRotation) (360 - rc->rotation)); + g_object_unref (pixbuf); + pixbuf = rotated_pixbuf; + } else { + /* The provided thumbnail has a different size */ + g_object_unref (pixbuf); + pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height); + } + } else { + /* There is no provided thumbnail. We need to make one. */ + pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height); + } + + return pixbuf; +} + /* reference: http://www.pdfa.org/lib/exe/fetch.php?id=pdfa%3Aen%3Atechdoc&cache=cache&media=pdfa:techdoc:tn0001_pdfa-1_and_namespaces_2008-03-18.pdf */ static char * @@ -829,6 +917,7 @@ pdf_document_class_init (PdfDocumentClass *klass) ev_document_class->get_page_size = pdf_document_get_page_size; ev_document_class->get_page_label = pdf_document_get_page_label; ev_document_class->render = pdf_document_render; + ev_document_class->get_thumbnail = pdf_document_get_thumbnail; ev_document_class->get_info = pdf_document_get_info; ev_document_class->get_backend_info = pdf_document_get_backend_info; ev_document_class->support_synctex = pdf_document_support_synctex; @@ -1169,36 +1258,7 @@ build_tree (PdfDocument *pdf_document, if (!action) continue; - switch (action->type) { - case POPPLER_ACTION_GOTO_DEST: { - /* For bookmarks, solve named destinations */ - if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) { - PopplerDest *dest; - EvLinkDest *ev_dest = NULL; - EvLinkAction *ev_action; - - dest = poppler_document_find_dest (pdf_document->document, - action->goto_dest.dest->named_dest); - if (!dest) { - link = ev_link_from_action (pdf_document, action); - break; - } - - ev_dest = ev_link_dest_from_dest (pdf_document, dest); - poppler_dest_free (dest); - - ev_action = ev_link_action_new_dest (ev_dest); - link = ev_link_new (action->any.title, ev_action); - } else { - link = ev_link_from_action (pdf_document, action); - } - } - break; - default: - link = ev_link_from_action (pdf_document, action); - break; - } - + link = ev_link_from_action (pdf_document, action); if (!link || strlen (ev_link_get_title (link)) <= 0) { poppler_action_free (action); if (link) @@ -1309,6 +1369,25 @@ pdf_document_links_find_link_dest (EvDocumentLinks *document_links, return ev_dest; } +static gint +pdf_document_links_find_link_page (EvDocumentLinks *document_links, + const gchar *link_name) +{ + PdfDocument *pdf_document; + PopplerDest *dest; + gint retval = -1; + + pdf_document = PDF_DOCUMENT (document_links); + dest = poppler_document_find_dest (pdf_document->document, + link_name); + if (dest) { + retval = dest->page_num - 1; + poppler_dest_free (dest); + } + + return retval; +} + static void pdf_document_document_links_iface_init (EvDocumentLinksInterface *iface) { @@ -1316,6 +1395,7 @@ pdf_document_document_links_iface_init (EvDocumentLinksInterface *iface) iface->get_links_model = pdf_document_links_get_links_model; iface->get_links = pdf_document_links_get_links; iface->find_link_dest = pdf_document_links_find_link_dest; + iface->find_link_page = pdf_document_links_find_link_page; } static EvMappingList * @@ -1385,128 +1465,6 @@ pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface) iface->get_image = pdf_document_images_get_image; } -static GdkPixbuf * -make_thumbnail_for_page (PopplerPage *poppler_page, - EvRenderContext *rc, - gint width, - gint height) -{ - GdkPixbuf *pixbuf; - -#ifdef POPPLER_WITH_GDK - pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, - width, height); - gdk_pixbuf_fill (pixbuf, 0xffffffff); - - ev_document_fc_mutex_lock (); - poppler_page_render_to_pixbuf (poppler_page, 0, 0, - width, height, - rc->scale, rc->rotation, pixbuf); - ev_document_fc_mutex_unlock (); -#else - cairo_surface_t *surface; - - ev_document_fc_mutex_lock (); - surface = pdf_page_render (poppler_page, width, height, rc); - ev_document_fc_mutex_unlock (); - - pixbuf = ev_document_misc_pixbuf_from_surface (surface); - cairo_surface_destroy (surface); -#endif /* POPPLER_WITH_GDK */ - - return pixbuf; -} - -static GdkPixbuf * -pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails, - EvRenderContext *rc, - gboolean border) -{ - PdfDocument *pdf_document = PDF_DOCUMENT (document_thumbnails); - PopplerPage *poppler_page; - GdkPixbuf *pixbuf = NULL; - GdkPixbuf *border_pixbuf; - gint width, height; - - poppler_page = POPPLER_PAGE (rc->page->backend_page); - - pdf_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (pdf_document), - rc, &width, &height); - -#ifdef POPPLER_WITH_GDK - pixbuf = poppler_page_get_thumbnail_pixbuf (poppler_page); -#else - cairo_surface_t *surface; - - surface = poppler_page_get_thumbnail (poppler_page); - if (surface) { - pixbuf = ev_document_misc_pixbuf_from_surface (surface); - cairo_surface_destroy (surface); - } -#endif /* POPPLER_WITH_GDK */ - - if (pixbuf != NULL) { - int thumb_width = (rc->rotation == 90 || rc->rotation == 270) ? - gdk_pixbuf_get_height (pixbuf) : - gdk_pixbuf_get_width (pixbuf); - - if (thumb_width == width) { - GdkPixbuf *rotated_pixbuf; - - rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, - (GdkPixbufRotation) (360 - rc->rotation)); - g_object_unref (pixbuf); - pixbuf = rotated_pixbuf; - } else { - /* The provided thumbnail has a different size */ - g_object_unref (pixbuf); - pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height); - } - } else { - /* There is no provided thumbnail. We need to make one. */ - pixbuf = make_thumbnail_for_page (poppler_page, rc, width, height); - } - - if (border && pixbuf) { - border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, pixbuf); - g_object_unref (pixbuf); - pixbuf = border_pixbuf; - } - - return pixbuf; -} - -static void -pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails, - EvRenderContext *rc, - gint *width, - gint *height) -{ - double page_width, page_height; - - poppler_page_get_size (POPPLER_PAGE (rc->page->backend_page), - &page_width, &page_height); - - *width = MAX ((gint)(page_width * rc->scale + 0.5), 1); - *height = MAX ((gint)(page_height * rc->scale + 0.5), 1); - - if (rc->rotation == 90 || rc->rotation == 270) { - gint temp; - - temp = *width; - *width = *height; - *height = temp; - } -} - -static void -pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface) -{ - iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail; - iface->get_dimensions = pdf_document_thumbnails_get_dimensions; -} - - static GList * pdf_document_find_find_text (EvDocumentFind *document_find, EvPage *page,