Add a way to retrieve a Region as a SharedBuffer
Change-Id: Ia53cb905fbc88f899521658545f990fb9217b1e1
diff --git a/include/ui/Region.h b/include/ui/Region.h
index 46a36ed..0049fde 100644
--- a/include/ui/Region.h
+++ b/include/ui/Region.h
@@ -28,6 +28,7 @@
namespace android {
// ---------------------------------------------------------------------------
+class SharedBuffer;
class String8;
// ---------------------------------------------------------------------------
@@ -106,17 +107,24 @@
/* various ways to access the rectangle list */
+
+ // STL-like iterators
typedef Rect const* const_iterator;
-
- const_iterator begin() const;
- const_iterator end() const;
+ const_iterator begin() const;
+ const_iterator end() const;
+
+ // returns an array of rect which has the same life-time has this
+ // Region object.
+ Rect const* getArray(size_t* count) const;
+
+ // returns a SharedBuffer as well as the number of rects.
+ // ownership is transfered to the caller.
+ // the caller must call SharedBuffer::release() to free the memory.
+ SharedBuffer const* getSharedBuffer(size_t* count) const;
/* no user serviceable parts here... */
- Rect const* getArray(size_t* count) const;
-
-
// add a rectangle to the internal list. This rectangle must
// be sorted in Y and X and must not make the region invalid.
void addRectUnchecked(int l, int t, int r, int b);