1fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot/*
2fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Copyright 2010 Google Inc.
3fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot *
4fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * Use of this source code is governed by a BSD-style license that can be
5fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot * found in the LICENSE file.
6fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot */
7fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
8fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
9fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#ifndef SkGradientBitmapCache_DEFINED
10fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#define SkGradientBitmapCache_DEFINED
11fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
12fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#include "SkBitmap.h"
13fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
14fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotclass SkGradientBitmapCache : SkNoncopyable {
15fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotpublic:
16fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    SkGradientBitmapCache(int maxEntries);
17fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    ~SkGradientBitmapCache();
18fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
19fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    bool find(const void* buffer, size_t len, SkBitmap*) const;
20fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    void add(const void* buffer, size_t len, const SkBitmap&);
21fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
22fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robotprivate:
23fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    int fEntryCount;
24fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    const int fMaxEntries;
25fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
26fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    struct Entry;
27fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    mutable Entry*  fHead;
28fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    mutable Entry*  fTail;
29fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
30fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    inline Entry* release(Entry*) const;
31fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    inline void attachToHead(Entry*) const;
32fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
33fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#ifdef SK_DEBUG
34fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    void validate() const;
35fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#else
36fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    void validate() const {}
37fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#endif
38fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
39fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    class AutoValidate : SkNoncopyable {
40fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    public:
41fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot        AutoValidate(const SkGradientBitmapCache* bc) : fBC(bc) { bc->validate(); }
42fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot        ~AutoValidate() { fBC->validate(); }
43fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    private:
44fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot        const SkGradientBitmapCache* fBC;
45fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot    };
46fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot};
47fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot
48fe17456d5e528078ce69b5f15cf7adf1fab963fandroid-build-team Robot#endif
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