Small improvements to SkBitSet:

src/utils/SkBitSet.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkBitSet_DEFINED
@@ skipping 12 matching lines @@
     SkBitSet& operator=(const SkBitSet& rhs);
     bool operator==(const SkBitSet& rhs);
     bool operator!=(const SkBitSet& rhs);
 
     /** Clear all data.
      */
     void clearAll();
 
     /** Set the value of the index-th bit.
      */
-    void setBit(int index, bool value);
+    void setBit(int index, bool value) {
+        uint32_t mask = 1 << (index & 31);
+        uint32_t* chunk = this->internalGet(index);
+        if (value) {
+            *chunk |= mask;
+        } else {
+            *chunk &= ~mask;
+        }
+    }
 
     /** Test if bit index is set.
      */
-    bool isBitSet(int index) const;
+    bool isBitSet(int index) const {
+        uint32_t mask = 1 << (index & 31);
+        return SkToBool(*this->internalGet(index) & mask);
+    }
 
     /** Or bits from source.  false is returned if this doesn't have the same
      *  bit count as source.
      */
     bool orBits(const SkBitSet& source);
 
     /** Export indices of set bits to T array.
      */
     template<typename T>
     void exportTo(SkTDArray<T>* array) const {
@@ skipping 21 matching lines @@
     uint32_t* internalGet(int index) const {
         SkASSERT((size_t)index < fBitCount);
         size_t internalIndex = index / 32;
         SkASSERT(internalIndex < fDwordCount);
         return reinterpret_cast<uint32_t*>(fBitData.get()) + internalIndex;
     }
 };
 
 
 #endif