[xps] Fix internal links that point to a source that is not a document

[evince.git] / backend / pdf / ev-poppler.cc

diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc
index dc253c70d142b80d7202c70e8cc86f96d78f7c79..d68c7b173a97219f9fe2d2f9231bbfffba5e6e4b 100644 (file)
--- 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-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"
 #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_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);
 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);


@@ -145,8 +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_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,
                                 EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
                                                                 pdf_document_document_links_iface_init);
                                 EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,


@@ -403,6 +399,102 @@ pdf_document_render (EvDocument      *document,
                                width, height, rc);
 }
 
                                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 *
 /* 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 *


@@ -825,6 +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_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;
        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;


@@ -1165,36 +1258,7 @@ build_tree (PdfDocument      *pdf_document,
                if (!action)
                        continue;
 
                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)
                if (!link || strlen (ev_link_get_title (link)) <= 0) {
                        poppler_action_free (action);
                        if (link)


@@ -1305,6 +1369,25 @@ pdf_document_links_find_link_dest (EvDocumentLinks  *document_links,
        return ev_dest;
 }
 
        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)
 {
 static void
 pdf_document_document_links_iface_init (EvDocumentLinksInterface *iface)
 {


@@ -1312,6 +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->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 *
 }
 
 static EvMappingList *


@@ -1381,116 +1465,6 @@ pdf_document_document_images_iface_init (EvDocumentImagesInterface *iface)
        iface->get_image = pdf_document_images_get_image;
 }
 
        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;
-       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);
-       }
-
-        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_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface)
-{
-       iface->get_thumbnail = pdf_document_thumbnails_get_thumbnail;
-}
-
-

 static GList *
 pdf_document_find_find_text (EvDocumentFind *document_find,
                             EvPage         *page,
 static GList *
 pdf_document_find_find_text (EvDocumentFind *document_find,
                             EvPage         *page,