Documentation: C API comments in include/

include/c/sk_paint.h

Index: include/c/sk_paint.h
diff --git a/include/c/sk_paint.h b/include/c/sk_paint.h
index 6699fb4f6f7fdd206d813112289d8c6dbba1fdc9..e0886ad349653fe582bc0fa0a136209cb6da7b46 100644
--- a/include/c/sk_paint.h
+++ b/include/c/sk_paint.h
@@ -15,24 +15,78 @@
 
 SK_C_PLUS_PLUS_BEGIN_GUARD
 
+/**
+    Create a new paint with default settings:
+        antialias : false
+        stroke : false
+        stroke width : 0.0f (hairline)
+        stroke miter : 4.0f
+        stroke cap : BUTT_SK_STROKE_CAP
+        stroke join : MITER_SK_STROKE_JOIN
+        color : opaque black
+        shader : NULL
+        maskfilter : NULL
+        xfermode_mode : SRCOVER_SK_XFERMODE_MODE
+*/
 SK_API sk_paint_t* sk_paint_new();
+/**
+    Release the memory storing the sk_paint_t and unref() all
+    associated objects.
+*/
 SK_API void sk_paint_delete(sk_paint_t*);
 
+/**
+    Return true iff the paint has antialiasing enabled.
+*/
 SK_API bool sk_paint_is_antialias(const sk_paint_t*);
+/**
+    Set to true to enable antialiasing, false to disable it on this
+    sk_paint_t.
+*/
 SK_API void sk_paint_set_antialias(sk_paint_t*, bool);
 
+/**
+    Return the paint's curent drawing color.
+*/
 SK_API sk_color_t sk_paint_get_color(const sk_paint_t*);
+/**
+    Set the paint's curent drawing color.
+*/
 SK_API void sk_paint_set_color(sk_paint_t*, sk_color_t);
 
 /* stroke settings */
 
+/**
+    Return true iff stroking is enabled rather than filling on this
+    sk_paint_t.
+*/
 SK_API bool sk_paint_is_stroke(const sk_paint_t*);
+/**
+    Set to true to enable stroking rather than filling with this
+    sk_paint_t.
+*/
 SK_API void sk_paint_set_stroke(sk_paint_t*, bool);
 
+/**
+    Return the width for stroking.  A value of 0 strokes in hairline mode.
+ */
 SK_API float sk_paint_get_stroke_width(const sk_paint_t*);
+/**
+   Set the width for stroking.  A value of 0 strokes in hairline mode
+   (always draw 1-pixel wide, regardless of the matrix).
+ */
 SK_API void sk_paint_set_stroke_width(sk_paint_t*, float width);
 
+/**
+    Return the paint's stroke miter value. This is used to control the
+    behavior of miter joins when the joins angle is sharp.
+*/
 SK_API float sk_paint_get_stroke_miter(const sk_paint_t*);
+/**
+   Set the paint's stroke miter value. This is used to control the
+   behavior of miter joins when the joins angle is sharp. This value
+   must be >= 0.
+*/
 SK_API void sk_paint_set_stroke_miter(sk_paint_t*, float miter);
 
 typedef enum {
@@ -41,7 +95,15 @@ typedef enum {
     SQUARE_SK_STROKE_CAP
 } sk_stroke_cap_t;
 
+/**
+    Return the paint's stroke cap type, controlling how the start and
+    end of stroked lines and paths are treated.
+*/
 SK_API sk_stroke_cap_t sk_paint_get_stroke_cap(const sk_paint_t*);
+/**
+    Set the paint's stroke cap type, controlling how the start and
+    end of stroked lines and paths are treated.
+*/
 SK_API void sk_paint_set_stroke_cap(sk_paint_t*, sk_stroke_cap_t);
 
 typedef enum {
@@ -50,7 +112,15 @@ typedef enum {
     BEVEL_SK_STROKE_JOIN
 } sk_stroke_join_t;
 
+/**
+    Return the paint's stroke join type, specifies the treatment that
+    is applied to corners in paths and rectangles
+ */
 SK_API sk_stroke_join_t sk_paint_get_stroke_join(const sk_paint_t*);
+/**
+    Set the paint's stroke join type, specifies the treatment that
+    is applied to corners in paths and rectangles
+ */
 SK_API void sk_paint_set_stroke_join(sk_paint_t*, sk_stroke_join_t);
 
 /**