Add tag functions to cairo_t and cairo_surface_t

The cairo_tag_begin/cairo_tag_end API is for supporting hyperlinks and
creating tagged PDF files.

The source, ctm, and stroke style are passed to the backend to allow
these parameters to be used to specify hyperlink border attributes.

1 files changed, 11 insertions, 0 deletions

diff --git a/src/cairoint.h b/src/cairoint.h
index efc9ad1fc..f1cd0758e 100644
--- a/src/cairoint.h
+++ b/src/cairoint.h
@@ -1418,6 +1418,17 @@ _cairo_surface_show_text_glyphs (cairo_surface_t	    *surface,
 				 const cairo_clip_t		    *clip);
 
 cairo_private cairo_status_t
+_cairo_surface_tag (cairo_surface_t	        *surface,
+		    cairo_bool_t                 begin,
+		    const char                  *tag_name,
+		    const char                  *attributes,
+		    const cairo_pattern_t	*source,
+		    const cairo_stroke_style_t	*stroke_style,
+		    const cairo_matrix_t	*ctm,
+		    const cairo_matrix_t	*ctm_inverse,
+		    const cairo_clip_t	        *clip);
+
+cairo_private cairo_status_t
 _cairo_surface_acquire_source_image (cairo_surface_t         *surface,
 				     cairo_image_surface_t  **image_out,
 				     void                   **image_extra);