Implement C path functions

experimental/sk_surface.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef sk_types_DEFINED
 #define sk_types_DEFINED
 
@@ skipping 34 matching lines @@
 typedef struct {
     float   left;
     float   top;
     float   right;
     float   bottom;
 } sk_rect_t;
 
 typedef struct sk_path_t sk_path_t;
 
 sk_path_t* sk_path_new();
+void sk_path_delete(sk_path_t*);
 void sk_path_move_to(sk_path_t*, float x, float y);
 void sk_path_line_to(sk_path_t*, float x, float y);
 void sk_path_quad_to(sk_path_t*, float x0, float y0, float x1, float y1);
-void sk_path_get_bounds(const sk_path_t*, sk_rect_t*);
+void sk_path_close(sk_path_t*);
 
 typedef struct sk_paint_t sk_paint_t;
 
 sk_paint_t* sk_paint_new();
 void sk_paint_delete(sk_paint_t*);
-bool sk_paint_is_antialias(sk_paint_t*);
+bool sk_paint_is_antialias(const sk_paint_t*);
 void sk_paint_set_antialias(sk_paint_t*, bool);
 sk_color_t sk_paint_get_color(const sk_paint_t*);
 void sk_paint_set_color(sk_paint_t*, sk_color_t);
 
 typedef struct sk_canvas_t sk_canvas_t;
 typedef struct sk_image_t sk_image_t;
 
 void sk_canvas_save(sk_canvas_t*);
 void sk_canvas_save_layer(sk_canvas_t*, const sk_rect_t*, const sk_paint_t*);
 void sk_canvas_restore(sk_canvas_t*);
@@ skipping 22 matching lines @@
 sk_canvas_t* sk_surface_get_canvas(sk_surface_t*);
 sk_image_t* sk_surface_new_image_snapshot(sk_surface_t*);
 
 #ifdef __cplusplus
     class SkCanvas;
     void sk_test_capi(SkCanvas*);
 }
 #endif
 
 #endif