]> www.fi.muni.cz Git - evince.git/blobdiff - pdf/ev-poppler.cc
Translation updated by Wouter Bolsterlee.
[evince.git] / pdf / ev-poppler.cc
index bbcb978120ff4a82f2025302ede323cab6803b71..a4be75ee9b7eb6323039b9e64fbe5fdec46e6c9f 100644 (file)
@@ -34,6 +34,7 @@
 #include "ev-document-security.h"
 #include "ev-document-thumbnails.h"
 #include "ev-selection.h"
+#include "ev-attachment.h"
 
 typedef struct {
        PdfDocument *document;
@@ -313,7 +314,122 @@ pdf_document_get_links (EvDocument *document,
 
        return g_list_reverse (retval);
 }
+
+static gboolean
+pdf_document_has_attachments (EvDocument *document)
+{
+       PdfDocument *pdf_document;
+
+       pdf_document = PDF_DOCUMENT (document);
+
+       return poppler_document_has_attachments (pdf_document->document);
+}
+
+struct SaveToBufferData {
+       gchar *buffer;
+       gsize len, max;
+};
+
+static gboolean
+attachment_save_to_buffer_callback (const gchar  *buf,
+                                   gsize         count,
+                                   gpointer      user_data,
+                                   GError      **error)
+{
+       struct SaveToBufferData *sdata = (SaveToBufferData *)user_data;
+       gchar *new_buffer;
+       gsize new_max;
+
+       if (sdata->len + count > sdata->max) {
+               new_max = MAX (sdata->max * 2, sdata->len + count);
+               new_buffer = (gchar *)g_realloc (sdata->buffer, new_max);
+
+               sdata->buffer = new_buffer;
+               sdata->max = new_max;
+       }
+       
+       memcpy (sdata->buffer + sdata->len, buf, count);
+       sdata->len += count;
+       
+       return TRUE;
+}
+
+static gboolean
+attachment_save_to_buffer (PopplerAttachment  *attachment,
+                          gchar             **buffer,
+                          gsize              *buffer_size,
+                          GError            **error)
+{
+       static const gint initial_max = 1024;
+       struct SaveToBufferData sdata;
+
+       *buffer = NULL;
+       *buffer_size = 0;
+
+       sdata.buffer = (gchar *) g_malloc (initial_max);
+       sdata.max = initial_max;
+       sdata.len = 0;
+
+       if (! poppler_attachment_save_to_callback (attachment,
+                                                  attachment_save_to_buffer_callback,
+                                                  &sdata,
+                                                  error)) {
+               g_free (sdata.buffer);
+               return FALSE;
+       }
+
+       *buffer = sdata.buffer;
+       *buffer_size = sdata.len;
+       
+       return TRUE;
+}
+
+static GList *
+pdf_document_get_attachments (EvDocument *document)
+{
+       PdfDocument *pdf_document;
+       GList *attachments;
+       GList *list;
+       GList *retval = NULL;
+
+       pdf_document = PDF_DOCUMENT (document);
+
+       if (!pdf_document_has_attachments (document))
+               return NULL;
+
+       attachments = poppler_document_get_attachments (pdf_document->document);
+       
+       for (list = attachments; list; list = list->next) {
+               PopplerAttachment *attachment;
+               EvAttachment *ev_attachment;
+               gchar *data = NULL;
+               gsize size;
+               GError *error = NULL;
+
+               attachment = (PopplerAttachment *) list->data;
+
+               if (attachment_save_to_buffer (attachment, &data, &size, &error)) {
+                       ev_attachment = ev_attachment_new (attachment->name,
+                                                          attachment->description,
+                                                          attachment->mtime,
+                                                          attachment->ctime,
+                                                          size, data);
                        
+                       retval = g_list_prepend (retval, ev_attachment);
+               } else {
+                       if (error) {
+                               g_warning ("%s", error->message);
+                               g_error_free (error);
+
+                               g_free (data);
+                       }
+               }
+
+               g_object_unref (attachment);
+       }
+
+       return g_list_reverse (retval);
+}
 
 static GdkPixbuf *
 pdf_document_render_pixbuf (EvDocument   *document,
@@ -551,6 +667,8 @@ pdf_document_document_iface_init (EvDocumentIface *iface)
        iface->get_page_size = pdf_document_get_page_size;
        iface->get_page_label = pdf_document_get_page_label;
        iface->get_links = pdf_document_get_links;
+       iface->has_attachments = pdf_document_has_attachments;
+       iface->get_attachments = pdf_document_get_attachments;
        iface->render_pixbuf = pdf_document_render_pixbuf;
        iface->get_text = pdf_document_get_text;
        iface->can_get_text = pdf_document_can_get_text;
@@ -702,19 +820,108 @@ pdf_document_links_has_document_links (EvDocumentLinks *document_links)
        return TRUE;
 }
 
+static EvLink *
+ev_link_from_dest (PopplerAction *action)
+{
+       EvLink *link = NULL;
+       const char *unimplemented_dest = NULL;
+
+       switch (action->goto_dest.dest->type) {
+       case POPPLER_DEST_UNKNOWN:
+               unimplemented_dest = "POPPLER_DEST_UNKNOWN";
+               break;
+       case POPPLER_DEST_XYZ:
+               link = ev_link_new_page_xyz (action->any.title,
+                                            action->goto_dest.dest->page_num - 1,
+                                            action->goto_dest.dest->left,
+                                            action->goto_dest.dest->top,
+                                            action->goto_dest.dest->zoom);
+               break;
+       case POPPLER_DEST_FIT:
+               link = ev_link_new_page_fit (action->any.title,
+                                            action->goto_dest.dest->page_num - 1);
+               break;
+       case POPPLER_DEST_FITH:
+               link = ev_link_new_page_fith (action->any.title,
+                                             action->goto_dest.dest->page_num - 1,
+                                             action->goto_dest.dest->top);
+               break;
+       case POPPLER_DEST_FITV:
+               link = ev_link_new_page_fitv (action->any.title,
+                                             action->goto_dest.dest->page_num - 1,
+                                             action->goto_dest.dest->left);
+               break;
+       case POPPLER_DEST_FITR:
+               link = ev_link_new_page_fitr (action->any.title,
+                                             action->goto_dest.dest->page_num - 1,
+                                             action->goto_dest.dest->left,
+                                             action->goto_dest.dest->bottom,
+                                             action->goto_dest.dest->right,
+                                             action->goto_dest.dest->top);
+               break;
+       case POPPLER_DEST_FITB:
+               unimplemented_dest = "POPPLER_DEST_FITB";
+               break;
+       case POPPLER_DEST_FITBH:
+               unimplemented_dest = "POPPLER_DEST_FITBH";
+               break;
+       case POPPLER_DEST_FITBV:
+               unimplemented_dest = "POPPLER_DEST_FITBV";
+               break;
+       }
+
+       if (unimplemented_dest) {
+               g_warning ("Unimplemented destination: %s, please post a bug report with a testcase.",
+                          unimplemented_dest);
+       }
+
+       if (link == NULL) {
+               link = ev_link_new_page (action->any.title, action->goto_dest.dest->page_num - 1);
+       }
+
+       return link;
+}
+
 static EvLink *
 ev_link_from_action (PopplerAction *action)
 {
-       EvLink *link;
+       EvLink *link = NULL;
        const char *title;
+       const char *unimplemented_action = NULL;
 
        title = action->any.title;
-       
-       if (action->type == POPPLER_ACTION_GOTO_DEST) {
-               link = ev_link_new_page (title, action->goto_dest.dest->page_num - 1);
-       } else if (action->type == POPPLER_ACTION_URI) {
+
+       switch (action->type) {
+       case POPPLER_ACTION_UNKNOWN:
+               link = ev_link_new_title (title);
+               break;
+       case POPPLER_ACTION_GOTO_DEST:
+               link = ev_link_from_dest (action);
+               break;
+       case POPPLER_ACTION_GOTO_REMOTE:
+               unimplemented_action = "POPPLER_ACTION_GOTO_REMOTE";
+               break;
+       case POPPLER_ACTION_LAUNCH:
+               link = ev_link_new_launch (title, action->launch.file_name,
+                                          action->launch.params);
+               break;
+       case POPPLER_ACTION_URI:
                link = ev_link_new_external (title, action->uri.uri);
-       } else {
+               break;
+       case POPPLER_ACTION_NAMED:
+               unimplemented_action = "POPPLER_ACTION_NAMED";
+               break;
+       case POPPLER_ACTION_MOVIE:
+               unimplemented_action = "POPPLER_ACTION_MOVIE";
+               break;
+       }
+
+       if (unimplemented_action) {
+               g_warning ("Unimplemented action: %s, please post a bug report with a testcase.",
+                          unimplemented_action);
+       }
+
+       if (link == NULL) {
                link = ev_link_new_title (title);
        }
 
@@ -738,16 +945,22 @@ build_tree (PdfDocument      *pdf_document,
                action = poppler_index_iter_get_action (iter);
                expand = poppler_index_iter_is_open (iter);
                if (action) {
+                       char *title_markup;
+
                        gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
                        link = ev_link_from_action (action);
                        poppler_action_free (action);
+                       title_markup = g_markup_escape_text (ev_link_get_title (link), -1);
 
                        gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
-                                           EV_DOCUMENT_LINKS_COLUMN_MARKUP, ev_link_get_title (link),
+                                           EV_DOCUMENT_LINKS_COLUMN_MARKUP, title_markup,
                                            EV_DOCUMENT_LINKS_COLUMN_LINK, link,
                                            EV_DOCUMENT_LINKS_COLUMN_EXPAND, expand,
                                            -1);
+
+                       g_free (title_markup);
                        g_object_unref (link);
+
                        child = poppler_index_iter_get_child (iter);
                        if (child)
                                build_tree (pdf_document, model, &tree_iter, child);
@@ -791,11 +1004,10 @@ static GdkPixbuf *
 make_thumbnail_for_size (PdfDocument   *pdf_document,
                         gint           page,
                         int            rotation,
-                        gint           size,
-                        gboolean       border)
+                        gint           size)
 {
        PopplerPage *poppler_page;
-       GdkPixbuf *pixbuf, *sub_pixbuf;
+       GdkPixbuf *pixbuf;
        int width, height;
        double scale;
        gdouble unscaled_width, unscaled_height;
@@ -808,38 +1020,25 @@ make_thumbnail_for_size (PdfDocument   *pdf_document,
        poppler_page_get_size (poppler_page, &unscaled_width, &unscaled_height);
        scale = width / unscaled_width;
 
-       if (border) {
-               pixbuf = ev_document_misc_get_thumbnail_frame (width, height, rotation, NULL);
-
-               width = gdk_pixbuf_get_width (pixbuf);
-               height = gdk_pixbuf_get_height (pixbuf);
-               sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
-                                                      1, 1,
-                                                      width - 1, height - 1);
-       } else {
-               /* rotate */
-               if (rotation == 90 || rotation == 270) {
-                       int temp;
-                       temp = width;
-                       width = height;
-                       height = temp;
-               }
-
-               pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
-                                        width, height);
-               gdk_pixbuf_fill (pixbuf, 0xffffffff);
-               sub_pixbuf = gdk_pixbuf_new_subpixbuf (pixbuf,
-                                                      0, 0,
-                                                      width, height);
+       /* rotate */
+       if (rotation == 90 || rotation == 270) {
+               int temp;
+               temp = width;
+               width = height;
+               height = temp;
        }
 
+       pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
+                                width, height);
+       gdk_pixbuf_fill (pixbuf, 0xffffffff);
+
        poppler_page_render_to_pixbuf (poppler_page, 0, 0,
                                       width, height,
-                                      scale, rotation, sub_pixbuf);
-
-       g_object_unref (G_OBJECT (sub_pixbuf));
+                                      scale, rotation, pixbuf);
+       
 
        g_object_unref (poppler_page);
+
        return pixbuf;
 }
 
@@ -848,11 +1047,12 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails
                                       gint                  page,
                                       gint                  rotation,
                                       gint                  size,
-                                      gboolean              border)
+                                      gboolean              border)
 {
        PdfDocument *pdf_document;
        PopplerPage *poppler_page;
        GdkPixbuf *pixbuf;
+       GdkPixbuf *border_pixbuf;
 
        pdf_document = PDF_DOCUMENT (document_thumbnails);
 
@@ -861,20 +1061,17 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails
 
        pixbuf = poppler_page_get_thumbnail (poppler_page);
        
-       if (pixbuf != NULL) {
-               /* The document provides its own thumbnails. */
-               if (border) {
-                       GdkPixbuf *real_pixbuf;
-
-                       real_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, rotation, pixbuf);
-                       g_object_unref (pixbuf);
-                       pixbuf = real_pixbuf;
-               }
-       } else {
+       if (pixbuf == NULL) {
                /* There is no provided thumbnail.  We need to make one. */
-               pixbuf = make_thumbnail_for_size (pdf_document, page, rotation, size, border);
+               pixbuf = make_thumbnail_for_size (pdf_document, page, rotation, size);
        }
 
+        if (border) {          
+               border_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, rotation, pixbuf);
+               g_object_unref (pixbuf);
+               pixbuf = border_pixbuf;
+       }               
+
        g_object_unref (poppler_page);
        
        return pixbuf;
@@ -904,13 +1101,8 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail
                double page_width, page_height;
 
                poppler_page_get_size (poppler_page, &page_width, &page_height);
-               if (page_width > page_height) {
-                       *width = size;
-                       *height = (int) (size * page_height / page_width);
-               } else {
-                       *width = (int) (size * page_width / page_height);
-                       *height = size;
-               }
+               *width = size;
+               *height = (int) (size * page_height / page_width);
        }
        g_object_unref (poppler_page);
 }
@@ -1069,9 +1261,7 @@ pdf_document_find_page_has_results (EvDocumentFind *document_find,
 {
        PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
 
-       g_return_val_if_fail (search != NULL, FALSE);
-
-       return search->pages[page] != NULL;
+       return search && search->pages[page] != NULL;
 }
 
 double