Remove unused function declarations

These functions have no implementation and are never called.

src/cairo-gstate-private.h

@@ -288,14 +288,6 @@ _cairo_gstate_clip_extents (cairo_gstate_t *gstate,
 cairo_private cairo_rectangle_list_t*
 _cairo_gstate_copy_clip_rectangle_list (cairo_gstate_t *gstate);
 
-cairo_private cairo_status_t
-_cairo_gstate_show_surface (cairo_gstate_t	*gstate,
-			    cairo_surface_t	*surface,
-			    double		 x,
-			    double		 y,
-			    double		width,
-			    double		height);
-
 cairo_private cairo_status_t
 _cairo_gstate_select_font_face (cairo_gstate_t *gstate,
 				const char *family,

src/cairo-recording-surface-private.h

@@ -146,11 +146,6 @@ cairo_private cairo_status_t
 _cairo_recording_surface_replay (cairo_surface_t *surface,
 				 cairo_surface_t *target);
 
-
-cairo_private cairo_status_t
-_cairo_recording_surface_replay_analyze_recording_pattern (cairo_surface_t *surface,
-							   cairo_surface_t *target);
-
 cairo_private cairo_status_t
 _cairo_recording_surface_replay_and_create_regions (cairo_surface_t *surface,
 						    cairo_surface_t *target);

src/cairo-scaled-font-subsets-private.h

@@ -649,23 +649,6 @@ _cairo_type2_charstrings_init (cairo_type2_charstrings_t   *charstrings,
 cairo_private void
 _cairo_type2_charstrings_fini (cairo_type2_charstrings_t *charstrings);
 
-/**
- * _cairo_truetype_create_glyph_to_unicode_map:
- * @font_subset: the #cairo_scaled_font_subset_t to initialize from
- *
- * If possible (depending on the format of the underlying
- * #cairo_scaled_font_t and the font backend in use) assign
- * the unicode character of each glyph in font_subset to
- * fontsubset->to_unicode.
- *
- * Return value: %CAIRO_STATUS_SUCCESS if successful,
- * %CAIRO_INT_STATUS_UNSUPPORTED if the unicode encoding of
- * the glyphs is not available.  Possible  errors include
- * %CAIRO_STATUS_NO_MEMORY.
- **/
-cairo_private cairo_int_status_t
-_cairo_truetype_create_glyph_to_unicode_map (cairo_scaled_font_subset_t	*font_subset);
-
 /**
  * _cairo_truetype_index_to_ucs4:
  * @scaled_font: the #cairo_scaled_font_t

src/cairoint.h

@@ -1965,13 +1965,6 @@ _cairo_pen_fini (cairo_pen_t *pen);
 cairo_private cairo_status_t
 _cairo_pen_add_points (cairo_pen_t *pen, cairo_point_t *point, int num_points);
 
-cairo_private cairo_status_t
-_cairo_pen_add_points_for_slopes (cairo_pen_t *pen,
-				  cairo_point_t *a,
-				  cairo_point_t *b,
-				  cairo_point_t *c,
-				  cairo_point_t *d);
-
 cairo_private int
 _cairo_pen_find_active_cw_vertex_index (const cairo_pen_t *pen,
 					const cairo_slope_t *slope);