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_DRV_H
17 #define UPDATER_UI_GRAPHIC_DRV_H
18 
19 namespace Updater {
20 using GrSurface = struct GrSurface_ {
21     int width {};
22     int height {};
23     unsigned int rowBytes {};
24     unsigned int pixelBytes {};
25 };
26 class GraphicDrv {
27 public:
GraphicDrv()28     GraphicDrv() : fd_(-1) {}
~GraphicDrv()29     virtual ~GraphicDrv() {}
30     virtual bool Init() = 0;
31     virtual void Flip(const uint8_t *buf) = 0;
32     virtual void GetGrSurface(GrSurface &surface) = 0;
33     virtual void Blank(bool blank) = 0;
34     virtual void Exit(void) = 0;
35 protected:
36     int fd_;
37 };
38 }; // namespace Updater
39 #endif
40