commit 276826bae2eb6d25c4abb1c5f665d2876c65e50c
author Mathias Agopian <mathias@google.com> Mon Jun 29 18:46:37 2009 -0700
committer Mathias Agopian <mathias@google.com> Mon Jun 29 18:46:37 2009 -0700
tree d4784e3c21f41a2017d1a2c39d7873eca493cdf2
parent 5fc1b60e7f8b19d7d7a2244c0e1e005c7ed91659

Region::makeBoundsSelf() efficiently turns a region to its bounds

include/ui/Region.h

diff --git a/include/ui/Region.h b/include/ui/Region.h
index df455a9..2bcad5b 100644
--- a/include/ui/Region.h
+++ b/include/ui/Region.h
@@ -51,6 +51,9 @@
     inline  Rect        getBounds() const   { return mBounds; }
     inline  Rect        bounds() const      { return getBounds(); }
 
+            // the region becomes its bounds
+            Region&     makeBoundsSelf();
+    
             void        clear();
             void        set(const Rect& r);
             void        set(uint32_t w, uint32_t h);

libs/ui/Region.cpp

diff --git a/libs/ui/Region.cpp b/libs/ui/Region.cpp
index 2e6b241..b400a92 100644
--- a/libs/ui/Region.cpp
+++ b/libs/ui/Region.cpp
@@ -87,6 +87,12 @@
     return *this;
 }
 
+Region& Region::makeBoundsSelf()
+{
+    mStorage.clear();
+    return *this;
+}
+
 void Region::clear()
 {
     mBounds.clear();