+static GdkPixbuf *
+pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
+ gint page,
+ gint width)
+{
+ PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+ GdkPixbuf *pixbuf;
+ gdouble scale_factor;
+ gint height;
+
+ scale_factor = (gdouble)width / gdk_pixbuf_get_width (pixbuf_document->pixbuf);
+
+ height = gdk_pixbuf_get_height (pixbuf_document->pixbuf) * scale_factor;
+
+ pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf, width, height,
+ GDK_INTERP_BILINEAR);
+
+ return pixbuf;
+}
+
+static void
+pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
+ gint page,
+ gint suggested_width,
+ gint *width,
+ gint *height)
+{
+ PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+ gdouble page_ratio;
+
+ page_ratio = ((double)gdk_pixbuf_get_height (pixbuf_document->pixbuf)) /
+ gdk_pixbuf_get_width (pixbuf_document->pixbuf);
+ *width = suggested_width;
+ *height = (gint) (suggested_width * page_ratio);
+}
+
+static void
+pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
+{
+ iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
+ iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
+}
+
+