Trim the copy of the dst made for dst-reading effects using the clip and dev-bounds of draw.

Adds dev bounds to circles and rects drawn by GrDrawTarget base class (GrIODB already provides rect bounds).

Author: bsalomon@google.com

Reviewed By: robertphilips@google.com,jvanverth@google.com,robertphillips@google.com

Review URL: https://chromiumcodereview.appspot.com/13222004

git-svn-id: http://skia.googlecode.com/svn/trunk@8453 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 8 insertions, 2 deletions

diff --git a/include/core/SkTLazy.h b/include/core/SkTLazy.h
index 2fe05f1db1..0daf98caa7 100644
--- a/include/core/SkTLazy.h
+++ b/include/core/SkTLazy.h
@@ -81,10 +81,16 @@ public:
     bool isValid() const { return NULL != fPtr; }
 
     /**
-     *  Returns either NULL, or a copy of the object that was passed to
-     *  set() or the constructor.
+     * Returns the object. This version should only be called when the caller
+     * knows that the object has been initialized.
      */
     T* get() const { SkASSERT(this->isValid()); return fPtr; }
+    
+    /**
+     * Like above but doesn't assert if object isn't initialized (in which case
+     * NULL is returned).
+     */
+    T* getMaybeNull() const { return fPtr; }
 
 private:
     friend void* operator new<T>(size_t, SkTLazy* lazy);