PatchCache.h revision c15008e72ec00ca20a271c3006dac649fd07533b 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_HWUI_PATCH_CACHE_H
18#define ANDROID_HWUI_PATCH_CACHE_H
19
20#include <utils/KeyedVector.h>
21
22#include "Debug.h"
23#include "Patch.h"
24
25namespace android {
26namespace uirenderer {
27
28///////////////////////////////////////////////////////////////////////////////
29// Defines
30///////////////////////////////////////////////////////////////////////////////
31
32// Debug
33#if DEBUG_PATCHES
34    #define PATCH_LOGD(...) LOGD(__VA_ARGS__)
35#else
36    #define PATCH_LOGD(...)
37#endif
38
39///////////////////////////////////////////////////////////////////////////////
40// Cache
41///////////////////////////////////////////////////////////////////////////////
42
43class PatchCache {
44public:
45    PatchCache();
46    PatchCache(uint32_t maxCapacity);
47    ~PatchCache();
48
49    Patch* get(const float bitmapWidth, const float bitmapHeight,
50            const float pixelWidth, const float pixelHeight,
51            const int32_t* xDivs, const int32_t* yDivs, const uint32_t* colors,
52            const uint32_t width, const uint32_t height, const int8_t numColors);
53    void clear();
54
55    uint32_t getSize() const {
56        return mCache.size();
57    }
58
59    uint32_t getMaxSize() const {
60        return mMaxEntries;
61    }
62
63private:
64    uint32_t mMaxEntries;
65    KeyedVector<PatchDescription, Patch*> mCache;
66}; // class PatchCache
67
68}; // namespace uirenderer
69}; // namespace android
70
71#endif // ANDROID_HWUI_PATCH_CACHE_H
72