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authorMathias Agopian <mathias@google.com>2012-08-31 15:41:24 -0700
committerMathias Agopian <mathias@google.com>2012-08-31 18:38:22 -0700
commit2401ead70099c982796ecc3ec63ec8a5570948fc (patch)
tree70b4464149c060bf808a5cb7e15de67b612d3fe1 /libs/ui
parent3ab68558fa5a4b8f792a54965a010f03385bd271 (diff)
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Add a way to retrieve a Region as a SharedBuffer
Change-Id: Ia53cb905fbc88f899521658545f990fb9217b1e1
Diffstat (limited to 'libs/ui')
-rw-r--r--libs/ui/Region.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/libs/ui/Region.cpp b/libs/ui/Region.cpp
index cdc2894..94fb1d5 100644
--- a/libs/ui/Region.cpp
+++ b/libs/ui/Region.cpp
@@ -606,6 +606,18 @@ Rect const* Region::getArray(size_t* count) const {
return b;
}
+SharedBuffer const* Region::getSharedBuffer(size_t* count) const {
+ // We can get to the SharedBuffer of a Vector<Rect> because Rect has
+ // a trivial destructor.
+ SharedBuffer const* sb = SharedBuffer::bufferFromData(mStorage.array());
+ if (count) {
+ size_t numRects = isRect() ? 1 : mStorage.size() - 1;
+ count[0] = numRects;
+ }
+ sb->acquire();
+ return sb;
+}
+
// ----------------------------------------------------------------------------
void Region::dump(String8& out, const char* what, uint32_t flags) const