1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef UPDATER_UI_GRAPHIC_ENGINE_H 17 #define UPDATER_UI_GRAPHIC_ENGINE_H 18 19 #include <memory> 20 #include <thread> 21 #include "engines/gfx/soft_engine.h" 22 #include "macros.h" 23 #include "surface_dev.h" 24 25 namespace Updater { 26 class GraphicEngine : public OHOS::SoftEngine { 27 static constexpr uint32_t THREAD_USLEEP_TIME = 10000; 28 DISALLOW_COPY_MOVE(GraphicEngine); 29 public: 30 GraphicEngine() = default; 31 virtual ~GraphicEngine() = default; 32 static GraphicEngine &GetInstance(); 33 void Init(uint32_t bkgColor, uint8_t mode, const char *fontPath); 34 void Flush(const OHOS::Rect& flushRect) override; 35 OHOS::BufferInfo *GetFBBufferInfo() override; 36 uint16_t GetScreenWidth() override; 37 uint16_t GetScreenHeight() override; 38 39 private: 40 void FlushThreadLoop() const; 41 void InitFontEngine(const char *fontPath) const; 42 void InitImageDecodeAbility() const; 43 void InitFlushThread(); 44 std::thread flushLoop_; 45 std::unique_ptr<OHOS::BufferInfo> buffInfo_ = nullptr; 46 std::unique_ptr<uint8_t[]> virAddr_ = nullptr; 47 std::unique_ptr<SurfaceDev> sfDev_ = nullptr; 48 uint32_t bkgColor_ = 0; 49 uint16_t height_ = 0; 50 uint16_t width_ = 0; 51 uint8_t colorMode_ = 0; 52 bool flushStop_ = true; 53 }; 54 } // namespace Updater 55 #endif 56