Expand pixelref to return SkImageInfo and rowbytes

include/core/SkBitmap.h

Index: include/core/SkBitmap.h
diff --git a/include/core/SkBitmap.h b/include/core/SkBitmap.h
index cd85b6a9b1ad019102ba93271a6bec69ff4d97a1..c3687253a6a0f60614a19dbd2f6650bda3c06309 100644
--- a/include/core/SkBitmap.h
+++ b/include/core/SkBitmap.h
@@ -237,6 +237,8 @@ public:
     void getBounds(SkRect* bounds) const;
     void getBounds(SkIRect* bounds) const;
 
+    static bool Config2ColorType(Config, SkColorType*);

[mtklein, 2013/12/05 17:43:04]

Seems like this guy can be private or static in the cpp?

[reed1, 2013/12/05 18:44:14]

It is called by other sections of our code, not just SkBitmap.

+
     /** Set the bitmap's config and dimensions. If rowBytes is 0, then
         ComputeRowBytes() is called to compute the optimal value. This resets
         any pixel/colortable ownership, just like reset().
@@ -250,6 +252,13 @@ public:
 
     bool setConfig(const SkImageInfo& info, size_t rowBytes = 0);
 
+    /**
+     *  If the bitmap's config can be represented as SkImageInfo, return true,
+     *  and if info is not-null, set it to the bitmap's info. If it cannot be
+     *  represented as SkImageInfo, return false and ignore the info parameter.
+     */
+    bool asImageInfo(SkImageInfo* info) const;
+
     /** Use this to assign a new pixel address for an existing bitmap. This
         will automatically release any pixelref previously installed. Only call
         this if you are handling ownership/lifetime of the pixel memory.