1/*
2 * Copyright (c) 2023 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 CHARGER_GRAPHIC_ENGINE_H
17#define CHARGER_GRAPHIC_ENGINE_H
18
19#include "dev/graphic_dev.h"
20#include "engines/gfx/soft_engine.h"
21#include <memory>
22#include <mutex>
23#include <thread>
24
25namespace OHOS {
26namespace PowerMgr {
27class ChargerGraphicEngine : public OHOS::SoftEngine {
28    static constexpr uint32_t THREAD_USLEEP_TIME = 10000;
29    DISALLOW_COPY_AND_MOVE(ChargerGraphicEngine);
30
31public:
32    ChargerGraphicEngine() = default;
33    virtual ~ChargerGraphicEngine() = default;
34    static ChargerGraphicEngine& GetInstance();
35    void Init(uint32_t bkgColor, uint8_t mode, const char* fontPath, const char* ttfName);
36    void Flush(const OHOS::Rect& flushRect) override;
37    OHOS::BufferInfo* GetFBBufferInfo() override;
38    uint16_t GetScreenWidth() override;
39    uint16_t GetScreenHeight() override;
40
41    static void UsSleep(int usec);
42
43private:
44    void FlushThreadLoop();
45    void InitFontEngine(const char* fontPath, const char* ttfName);
46    void InitImageDecodeAbility();
47    void InitFlushThread();
48    std::thread flushLoop_;
49    std::unique_ptr<OHOS::BufferInfo> buffInfo_ = nullptr;
50    std::unique_ptr<uint8_t[]> virAddr_ = nullptr;
51    std::unique_ptr<GraphicDev> sfDev_ = nullptr;
52    uint32_t bkgColor_ = 0;
53    uint16_t height_ = 0;
54    uint16_t width_ = 0;
55    uint8_t colorMode_ = 0;
56    bool flushStop_ = true;
57    std::mutex mtx_ {};
58};
59} // namespace PowerMgr
60} // namespace OHOS
61#endif
62