Add matrix operations to C canvas API

include/c/sk_canvas.h

Index: include/c/sk_canvas.h
diff --git a/include/c/sk_canvas.h b/include/c/sk_canvas.h
index 32743e954274f658e435f7218520e3d410dd3386..88eb3dcdef17f95c0120d4c393eb96cb376a2df9 100644
--- a/include/c/sk_canvas.h
+++ b/include/c/sk_canvas.h
@@ -25,6 +25,10 @@ void sk_canvas_rotate_degrees(sk_canvas_t*, float degrees);
 void sk_canvas_rotate_radians(sk_canvas_t*, float radians);
 void sk_canvas_skew(sk_canvas_t*, float sx, float sy);
 
+void sk_canvas_concat_matrix(sk_canvas_t*, const sk_matrix_t*);
+void sk_canvas_set_matrix(sk_canvas_t*, const sk_matrix_t*);

[reed1, 2014/12/02 15:52:31]

We want to deprecate setMatrix and resetMatrix, so lets only expose concat at
the C level.

+void sk_canvas_reset_matrix(sk_canvas_t*);
+
 void sk_canvas_draw_paint(sk_canvas_t*, const sk_paint_t*);
 void sk_canvas_draw_rect(sk_canvas_t*, const sk_rect_t*, const sk_paint_t*);
 void sk_canvas_draw_oval(sk_canvas_t*, const sk_rect_t*, const sk_paint_t*);