add asScalars() to document when we want to treat SkPoint or SkRect as an array

of SkScalars.
Review URL: https://codereview.chromium.org/12530010

git-svn-id: http://skia.googlecode.com/svn/trunk@8041 2bbb7eff-a529-9590-31e7-b0007b416f81

2 files changed, 10 insertions, 0 deletions

diff --git a/include/core/SkPoint.h b/include/core/SkPoint.h
index a6a8e730c2..5eca72f6b6 100644
--- a/include/core/SkPoint.h
+++ b/include/core/SkPoint.h
@@ -504,6 +504,11 @@ struct SK_API SkPoint {
             fY = -tmp;
         }
     }
+
+    /**
+     *  cast-safe way to treat the point as an array of (2) SkScalars.
+     */
+    const SkScalar* asScalars() const { return &fX; }
 };
 
 typedef SkPoint SkVector;
diff --git a/include/core/SkRect.h b/include/core/SkRect.h
index e6efed56d5..ae0ac4f9e8 100644
--- a/include/core/SkRect.h
+++ b/include/core/SkRect.h
@@ -769,6 +769,11 @@ struct SK_API SkRect {
      *  other. When this returns, left <= right && top <= bottom
      */
     void sort();
+    
+    /**
+     *  cast-safe way to treat the rect as an array of (4) SkScalars.
+     */
+    const SkScalar* asScalars() const { return &fLeft; }
 };
 
 #endif