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 25 namespace android { 26 namespace uirenderer { 27 28 /////////////////////////////////////////////////////////////////////////////// 29 // Defines 30 /////////////////////////////////////////////////////////////////////////////// 31 32 // Debug 33 #if DEBUG_PATCHES 34 #define PATCH_LOGD(...) ALOGD(__VA_ARGS__) 35 #else 36 #define PATCH_LOGD(...) 37 #endif 38 39 /////////////////////////////////////////////////////////////////////////////// 40 // Cache 41 /////////////////////////////////////////////////////////////////////////////// 42 43 class PatchCache { 44 public: 45 PatchCache(); 46 PatchCache(uint32_t maxCapacity); 47 ~PatchCache(); 48 49 Patch* get(const uint32_t bitmapWidth, const uint32_t 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 getSize()55 uint32_t getSize() const { 56 return mCache.size(); 57 } 58 getMaxSize()59 uint32_t getMaxSize() const { 60 return mMaxEntries; 61 } 62 63 private: 64 /** 65 * Description of a patch. 66 */ 67 struct PatchDescription { PatchDescriptionPatchDescription68 PatchDescription(): bitmapWidth(0), bitmapHeight(0), pixelWidth(0), pixelHeight(0), 69 xCount(0), yCount(0), emptyCount(0), colorKey(0) { 70 } 71 PatchDescriptionPatchDescription72 PatchDescription(const uint32_t bitmapWidth, const uint32_t bitmapHeight, 73 const float pixelWidth, const float pixelHeight, 74 const uint32_t xCount, const uint32_t yCount, 75 const int8_t emptyCount, const uint32_t colorKey): 76 bitmapWidth(bitmapWidth), bitmapHeight(bitmapHeight), 77 pixelWidth(pixelWidth), pixelHeight(pixelHeight), 78 xCount(xCount), yCount(yCount), 79 emptyCount(emptyCount), colorKey(colorKey) { 80 } 81 82 static int compare(const PatchDescription& lhs, const PatchDescription& rhs); 83 84 bool operator==(const PatchDescription& other) const { 85 return compare(*this, other) == 0; 86 } 87 88 bool operator!=(const PatchDescription& other) const { 89 return compare(*this, other) != 0; 90 } 91 strictly_order_typePatchDescription92 friend inline int strictly_order_type(const PatchDescription& lhs, 93 const PatchDescription& rhs) { 94 return PatchDescription::compare(lhs, rhs) < 0; 95 } 96 compare_typePatchDescription97 friend inline int compare_type(const PatchDescription& lhs, 98 const PatchDescription& rhs) { 99 return PatchDescription::compare(lhs, rhs); 100 } 101 102 private: 103 uint32_t bitmapWidth; 104 uint32_t bitmapHeight; 105 float pixelWidth; 106 float pixelHeight; 107 uint32_t xCount; 108 uint32_t yCount; 109 int8_t emptyCount; 110 uint32_t colorKey; 111 112 }; // struct PatchDescription 113 114 uint32_t mMaxEntries; 115 KeyedVector<PatchDescription, Patch*> mCache; 116 117 }; // class PatchCache 118 119 }; // namespace uirenderer 120 }; // namespace android 121 122 #endif // ANDROID_HWUI_PATCH_CACHE_H 123