X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=backend%2Fev-page-cache.c;h=8fb8bcd17f6b4e6b189eece16653dfe578d57afa;hb=2cb9212432df8a72a106f76619db52ce9031f667;hp=935347e19430c9ee4e899ea68c94041a73b37a60;hpb=6b05feae2e57d126f57a1f40527ff387070e9a73;p=evince.git

diff --git a/backend/ev-page-cache.c b/backend/ev-page-cache.c
index 935347e1..8fb8bcd1 100644
--- a/backend/ev-page-cache.c
+++ b/backend/ev-page-cache.c
@@ -19,11 +19,18 @@ struct _EvPageCache
 	int n_pages;
 	char *title;
 	char **page_labels;
-
+	
+	gboolean has_labels;
 	gboolean uniform;
+	
 	double uniform_width;
 	double uniform_height;
 
+	double max_width_page_width;
+	double max_width_page_height;
+	double max_height_page_width;
+	double max_height_page_height;
+
 	EvPageCacheInfo *size_cache;
 };
 
@@ -96,14 +103,19 @@ _ev_page_cache_new (EvDocument *document)
 
 	page_cache = (EvPageCache *) g_object_new (EV_TYPE_PAGE_CACHE, NULL);
 
-	g_mutex_lock (EV_DOC_MUTEX);
+	ev_document_doc_mutex_lock ();
 
 	/* We read page information out of the document */
 
 	/* Assume all pages are the same size until proven otherwise */
 	page_cache->uniform = TRUE;
+	page_cache->has_labels = FALSE;
 	page_cache->n_pages = ev_document_get_n_pages (document);
 	page_cache->page_labels = g_new0 (char *, page_cache->n_pages);
+	page_cache->max_width_page_width = 0;
+	page_cache->max_width_page_height = 0;
+	page_cache->max_height_page_width = 0;
+	page_cache->max_height_page_height = 0;
 
 	doc_info = ev_document_get_info (document);
 	if (doc_info->fields_mask & EV_DOCUMENT_INFO_TITLE) {
@@ -116,9 +128,29 @@ _ev_page_cache_new (EvDocument *document)
 	for (i = 0; i < page_cache->n_pages; i++) {
 		double page_width = 0;
 		double page_height = 0;
-
+		
 		ev_document_get_page_size (document, i, &page_width, &page_height);
-		page_cache->page_labels[i] = ev_document_get_page_label (document, i);
+
+	    	page_cache->page_labels[i] = ev_document_get_page_label (document, i);
+
+		if (!page_cache->has_labels && page_cache->page_labels[i] != NULL) {
+			gchar *expected_label;
+			
+			expected_label = g_strdup_printf ("%d", i + 1);
+			if (strcmp (expected_label, page_cache->page_labels[i]))  
+				page_cache->has_labels = TRUE;
+			g_free (expected_label);
+		}
+
+		if (page_width > page_cache->max_width_page_width) {
+			page_cache->max_width_page_width = page_width;
+			page_cache->max_width_page_height = page_height;
+		}
+
+		if (page_height > page_cache->max_height_page_height) {
+			page_cache->max_height_page_width = page_width;
+			page_cache->max_height_page_height = page_height;
+		}
 
 		if (i == 0) {
 			page_cache->uniform_width = page_width;
@@ -151,8 +183,10 @@ _ev_page_cache_new (EvDocument *document)
 	/* make some sanity check assertions */
 	if (! page_cache->uniform)
 		g_assert (page_cache->size_cache != NULL);
+	if (page_cache->uniform)
+		g_assert (page_cache->uniform_width > 0 && page_cache->uniform_height > 0);
 
-	g_mutex_unlock (EV_DOC_MUTEX);
+	ev_document_doc_mutex_unlock ();
 
 	if (page_cache->n_pages > 0)
 		ev_page_cache_set_current_page (page_cache, 0);
@@ -202,7 +236,7 @@ ev_page_cache_set_page_label (EvPageCache *page_cache,
 	g_return_val_if_fail (page_label != NULL, FALSE);
 
 	/* First, look for a literal label match */
-	for (i = 0; i < page_cache->n_pages; i ++) {
+	for (i = 0; i < page_cache->n_pages && page_cache->has_labels; i ++) {
 		if (page_cache->page_labels[i] != NULL &&
 		    ! strcmp (page_label, page_cache->page_labels[i])) {
 			ev_page_cache_set_current_page (page_cache, i);
@@ -279,6 +313,39 @@ ev_page_cache_get_size (EvPageCache *page_cache,
 		*height = (*height) * scale;
 
 }
+
+
+/* Note that these aren't necessarily from the same page.
+ */
+void
+ev_page_cache_get_max_width_size (EvPageCache *page_cache,
+				  gfloat       scale,
+				  gint        *width,
+				  gint        *height)
+{
+	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
+
+	if (width)
+		*width = page_cache->max_width_page_width * scale;
+	if (height)
+		*height = page_cache->max_width_page_height * scale;
+}
+
+void
+ev_page_cache_get_max_height_size (EvPageCache *page_cache,
+				   gfloat       scale,
+				   gint        *width,
+				   gint        *height)
+{
+	g_return_if_fail (EV_IS_PAGE_CACHE (page_cache));
+
+	if (width)
+		*width = page_cache->max_height_page_width * scale;
+	if (height)
+		*height = page_cache->max_height_page_height * scale;
+}
+
+
 gchar *
 ev_page_cache_get_page_label (EvPageCache *page_cache,
 			      gint         page)
@@ -292,6 +359,12 @@ ev_page_cache_get_page_label (EvPageCache *page_cache,
 	return g_strdup (page_cache->page_labels[page]);
 }
 
+gboolean
+ev_page_cache_has_nonnumeric_page_labels (EvPageCache *page_cache)
+{
+	g_return_val_if_fail (EV_IS_PAGE_CACHE (page_cache), FALSE);
+	return page_cache->has_labels;
+}
 
 gboolean
 ev_page_cache_next_page (EvPageCache *page_cache)