PatchCache.h revision 4bb942083a0d4db746adf95349108dd8ef842e32 
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_UI_PATCH_CACHE_H
18#define ANDROID_UI_PATCH_CACHE_H
19
20#include <utils/KeyedVector.h>
21
22#include "Patch.h"
23
24namespace android {
25namespace uirenderer {
26
27///////////////////////////////////////////////////////////////////////////////
28// Defines
29///////////////////////////////////////////////////////////////////////////////
30
31// Debug
32#define DEBUG_PATCHES 1
33
34// Debug
35#if DEBUG_PATCHES
36    #define PATCH_LOGD(...) LOGD(__VA_ARGS__)
37#else
38    #define PATCH_LOGD(...)
39#endif
40
41///////////////////////////////////////////////////////////////////////////////
42// Cache
43///////////////////////////////////////////////////////////////////////////////
44
45class PatchCache {
46public:
47    PatchCache();
48    PatchCache(uint32_t maxCapacity);
49    ~PatchCache();
50
51    Patch* get(const float bitmapWidth, const float bitmapHeight,
52            const float pixelWidth, const float pixelHeight,
53            const int32_t* xDivs, const int32_t* yDivs, const uint32_t* colors,
54            const uint32_t width, const uint32_t height, const int8_t numColors);
55    void clear();
56
57private:
58    uint32_t mMaxEntries;
59    KeyedVector<PatchDescription, Patch*> mCache;
60}; // class PatchCache
61
62}; // namespace uirenderer
63}; // namespace android
64
65#endif // ANDROID_UI_PATCH_CACHE_H
66