gfx/skia/trunk/include/core/SkUnitMapper.h

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1
2 /*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #ifndef SkUnitMapper_DEFINED
11 #define SkUnitMapper_DEFINED
12
13 #include "SkRefCnt.h"
14 #include "SkScalar.h"
15
16 #include "SkFlattenable.h"
17
18 class SkUnitMapper : public SkFlattenable {
19 public:
20 SK_DECLARE_INST_COUNT(SkUnitMapper)
21
22 SkUnitMapper() {}
23
24 /** Given a value in [0..0xFFFF], return a value in the same range.
25 */
26 virtual uint16_t mapUnit16(uint16_t x) = 0;
27
28 SK_DEFINE_FLATTENABLE_TYPE(SkUnitMapper)
29
30 protected:
31 SkUnitMapper(SkReadBuffer& rb) : SkFlattenable(rb) {}
32
33 private:
34 typedef SkFlattenable INHERITED;
35 };
36
37 #endif

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