pdf: add document outline API

1 files changed, 22 insertions, 0 deletions

diff --git a/src/cairo-pdf-surface-private.h b/src/cairo-pdf-surface-private.h
index cbe4599a1..010b127de 100644
--- a/src/cairo-pdf-surface-private.h
+++ b/src/cairo-pdf-surface-private.h
@@ -193,6 +193,19 @@ typedef struct _cairo_pdf_named_dest {
     cairo_bool_t referenced;
 } cairo_pdf_named_dest_t;
 
+typedef struct _cairo_pdf_outline_entry {
+    char *name;
+    char *dest;
+    cairo_pdf_outline_flags_t flags;
+    cairo_pdf_resource_t res;
+    struct _cairo_pdf_outline_entry *parent;
+    struct _cairo_pdf_outline_entry *first_child;
+    struct _cairo_pdf_outline_entry *last_child;
+    struct _cairo_pdf_outline_entry *next;
+    struct _cairo_pdf_outline_entry *prev;
+    int count;
+} cairo_pdf_outline_entry_t;
+
 typedef struct _cairo_pdf_interchange {
     cairo_tag_stack_t analysis_tag_stack;
     cairo_tag_stack_t render_tag_stack;
@@ -211,6 +224,7 @@ typedef struct _cairo_pdf_interchange {
     cairo_pdf_named_dest_t **sorted_dests;
     cairo_pdf_resource_t dests_res;
     int annot_page;
+    cairo_array_t outline; /* array of pointers to cairo_pdf_outline_entry_t; */
 
 } cairo_pdf_interchange_t;
 
@@ -298,6 +312,7 @@ struct _cairo_pdf_surface {
     int page_parent_tree; /* -1 if not used */
     cairo_array_t page_annots;
     cairo_bool_t tagged;
+    cairo_pdf_resource_t outlines_dict_res;
     cairo_pdf_resource_t names_dict_res;
 
     cairo_surface_t *paginated_surface;
@@ -344,5 +359,12 @@ _cairo_pdf_interchange_write_page_objects (cairo_pdf_surface_t *surface);
 cairo_private cairo_int_status_t
 _cairo_pdf_interchange_write_document_objects (cairo_pdf_surface_t *surface);
 
+cairo_private cairo_int_status_t
+_cairo_pdf_interchange_add_outline (cairo_pdf_surface_t        *surface,
+				    int                         parent_id,
+				    const char                 *name,
+				    const char                 *dest,
+				    cairo_pdf_outline_flags_t   flags,
+				    int                        *id);
 
 #endif /* CAIRO_PDF_SURFACE_PRIVATE_H */