grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 38 insertions, 0 deletions

diff --git a/include/core/SkUnitMapper.h b/include/core/SkUnitMapper.h
new file mode 100644
index 0000000000..5d1ea35882
--- /dev/null
+++ b/include/core/SkUnitMapper.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkUnitMapper_DEFINED
+#define SkUnitMapper_DEFINED
+
+#include "SkRefCnt.h"
+#include "SkScalar.h"
+
+#include "SkFlattenable.h"
+
+class SkUnitMapper : public SkFlattenable {
+public:
+    SkUnitMapper() {}
+
+    /** Given a value in [0..0xFFFF], return a value in the same range.
+    */
+    virtual uint16_t mapUnit16(uint16_t x) = 0;
+    
+protected:
+    SkUnitMapper(SkFlattenableReadBuffer& rb) : SkFlattenable(rb) {}
+};
+
+#endif
+