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;
};
EvPageCache *
_ev_page_cache_new (EvDocument *document)
{
+ EvDocumentInfo *doc_info;
EvPageCache *page_cache;
EvPageCacheInfo *info;
gint i;
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->title = ev_document_get_title (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) {
+ page_cache->title = g_strdup (doc_info->title);
+ } else {
+ page_cache->title = NULL;
+ }
+ g_free (doc_info);
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;
/* 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);
return 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);
*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)
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)