1 /*
2  * Copyright (c) 2024 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 KNUCKLE_GIVERGENT_POINT_H
17 #define KNUCKLE_GIVERGENT_POINT_H
18 
19 #include "draw/canvas.h"
20 #include "image/bitmap.h"
21 #include "pipeline/rs_recording_canvas.h"
22 #include "render/rs_pixel_map_util.h"
23 #include "utils/matrix.h"
24 
25 namespace OHOS {
26 namespace MMI {
27 namespace {
28 constexpr int32_t DEFAULT_LIFESPAN { -1 };
29 } // namespace
30 
31 class KnuckleDivergentPoint {
32 public:
33     explicit KnuckleDivergentPoint(std::shared_ptr<OHOS::Media::PixelMap> pixelMap);
34     ~KnuckleDivergentPoint() = default;
35     void Update();
36     void Clear();
37     void Draw(Rosen::ExtendRecordingCanvas* canvas);
38     void Reset(double pointX, double pointY);
39     bool IsEnded() const;
40 
41 private:
42     double moveVelocityX_ { 0.0 };
43     double moveVelocityY_ { 0.0 };
44     double pointX_ { 0.0 };
45     double pointY_ { 0.0 };
46     int32_t lifespan_ { DEFAULT_LIFESPAN };
47     std::shared_ptr<OHOS::Media::PixelMap> traceShadow_ { nullptr };
48     Rosen::Drawing::Matrix traceMatrix_;
49     OHOS::Rosen::Drawing::Brush brush_;
50 };
51 } // namespace MMI
52 } // namespace OHOS
53 #endif // KNUCKLE_GIVERGENT_POINT_H
54