1a3e0fd82Sopenharmony_ci/* 2a3e0fd82Sopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd. 3a3e0fd82Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4a3e0fd82Sopenharmony_ci * you may not use this file except in compliance with the License. 5a3e0fd82Sopenharmony_ci * You may obtain a copy of the License at 6a3e0fd82Sopenharmony_ci * 7a3e0fd82Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8a3e0fd82Sopenharmony_ci * 9a3e0fd82Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10a3e0fd82Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11a3e0fd82Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12a3e0fd82Sopenharmony_ci * See the License for the specific language governing permissions and 13a3e0fd82Sopenharmony_ci * limitations under the License. 14a3e0fd82Sopenharmony_ci */ 15a3e0fd82Sopenharmony_ci 16a3e0fd82Sopenharmony_ci#ifndef GLYPHS_CACHE_H 17a3e0fd82Sopenharmony_ci#define GLYPHS_CACHE_H 18a3e0fd82Sopenharmony_ci 19a3e0fd82Sopenharmony_ci#include "font/ui_font_header.h" 20a3e0fd82Sopenharmony_ci#include "gfx_utils/heap_base.h" 21a3e0fd82Sopenharmony_ci 22a3e0fd82Sopenharmony_cinamespace OHOS { 23a3e0fd82Sopenharmony_ciclass GlyphsCache : public HeapBase { 24a3e0fd82Sopenharmony_cipublic: 25a3e0fd82Sopenharmony_ci GlyphsCache(); 26a3e0fd82Sopenharmony_ci 27a3e0fd82Sopenharmony_ci GlyphsCache(const GlyphsCache&) = delete; 28a3e0fd82Sopenharmony_ci 29a3e0fd82Sopenharmony_ci GlyphsCache& operator=(const GlyphsCache&) = delete; 30a3e0fd82Sopenharmony_ci 31a3e0fd82Sopenharmony_ci GlyphsCache(const GlyphsCache&&) = delete; 32a3e0fd82Sopenharmony_ci 33a3e0fd82Sopenharmony_ci GlyphsCache& operator=(const GlyphsCache&&) = delete; 34a3e0fd82Sopenharmony_ci 35a3e0fd82Sopenharmony_ci ~GlyphsCache(); 36a3e0fd82Sopenharmony_ci 37a3e0fd82Sopenharmony_ci int8_t CacheInit(); 38a3e0fd82Sopenharmony_ci void ClearCacheFlag(); 39a3e0fd82Sopenharmony_ci GlyphCacheNode* GetNodeFromCache(uint32_t unicode, uint16_t fontKey, uint16_t cacheType); 40a3e0fd82Sopenharmony_ci GlyphCacheNode* GetNodeCacheSpace(uint32_t unicode, uint16_t fontId); 41a3e0fd82Sopenharmony_ci 42a3e0fd82Sopenharmony_ciprivate: 43a3e0fd82Sopenharmony_ci#if (defined(ENABLE_MIX_FONT) && (ENABLE_MIX_FONT == 1)) 44a3e0fd82Sopenharmony_ci static constexpr uint8_t FONT_HASH_SHIFT = 3; 45a3e0fd82Sopenharmony_ci#else 46a3e0fd82Sopenharmony_ci static constexpr uint8_t FONT_HASH_SHIFT = 4; 47a3e0fd82Sopenharmony_ci#endif 48a3e0fd82Sopenharmony_ci static constexpr uint8_t FONT_HASH_NR = 1 << FONT_HASH_SHIFT; 49a3e0fd82Sopenharmony_ci static constexpr uint32_t FONT_HASH_MASK = FONT_HASH_NR - 1; 50a3e0fd82Sopenharmony_ci static constexpr uint8_t UNICODE_HASH_SHIFT = 6; 51a3e0fd82Sopenharmony_ci static constexpr uint8_t UNICODE_HASH_NR = 1 << UNICODE_HASH_SHIFT; 52a3e0fd82Sopenharmony_ci static constexpr uint32_t UNICODE_HASH_MASK = UNICODE_HASH_NR - 1; 53a3e0fd82Sopenharmony_ci static constexpr uint8_t NODE_HASH_SHIFT = 4; 54a3e0fd82Sopenharmony_ci static constexpr uint8_t NODE_HASH_NR = 1 << NODE_HASH_SHIFT; 55a3e0fd82Sopenharmony_ci 56a3e0fd82Sopenharmony_ci using CacheType = GlyphCacheNode[FONT_HASH_NR][UNICODE_HASH_NR][NODE_HASH_NR]; 57a3e0fd82Sopenharmony_ci using CacheState = uint8_t[FONT_HASH_NR][UNICODE_HASH_NR]; 58a3e0fd82Sopenharmony_ci 59a3e0fd82Sopenharmony_ci CacheType* nodeCache_; 60a3e0fd82Sopenharmony_ci CacheState* cacheStatus_; 61a3e0fd82Sopenharmony_ci bool hasInit_; 62a3e0fd82Sopenharmony_ci}; 63a3e0fd82Sopenharmony_ci} // namespace OHOS 64a3e0fd82Sopenharmony_ci#endif /* GLYPHS_CACHE_H */