1 /*
2  * Copyright (c) 2020-2021 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 GRAPHIC_LITE_MONITOR_H
17 #define GRAPHIC_LITE_MONITOR_H
18 
19 #include <QtCore/qobject.h>
20 
21 #include "engines/gfx/soft_engine.h"
22 #include "font/ui_font_header.h"
23 
24 namespace OHOS {
25 class Monitor : public QObject, public SoftEngine {
26     Q_OBJECT
27 
28 public:
Monitor()29     Monitor() : fontPsramBaseAddr_{0}, tftFb_{0}, animaterBuffer_{0}, defaultColor_ (0x44) {}
~Monitor()30     virtual ~Monitor() {}
31     static Monitor* GetInstance();
32     void InitHal();
33     void InitFontEngine();
34     void InitImageDecodeAbility();
35     void InitGUI();
36     void GUILoopStart() const;
37     void GUIRefresh();
38     void GUILoopQuit() const;
39     void Flush(const Rect &rect) override;
40     BufferInfo* GetFBBufferInfo() override;
41 signals:
42     void UpdatePaintSignal(uint32_t* tftFb, uint32_t imgWidth, uint32_t imgHeight);
43 
44 protected:
UpdatePaint(uint32_t * tftFb,uint32_t imgWidth,uint32_t imgHeight)45     void UpdatePaint(uint32_t* tftFb, uint32_t imgWidth, uint32_t imgHeight)
46     {
47         emit UpdatePaintSignal(tftFb, imgWidth, imgHeight);
48     }
49 
50 private:
51     static constexpr uint32_t GUI_REFR_PERIOD  = 50; /* ms */
52     uint8_t fontPsramBaseAddr_[MIN_FONT_PSRAM_LENGTH];
53     uint32_t tftFb_[HORIZONTAL_RESOLUTION * VERTICAL_RESOLUTION];
54     uint32_t animaterBuffer_[HORIZONTAL_RESOLUTION * VERTICAL_RESOLUTION];
55     uint32_t defaultColor_;
56     static bool isRegister_;
57 };
58 } // namespace OHOS
59 
60 #endif // GRAPHIC_LITE_MONITOR_H
61