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1 /*
2  * Copyright (c) 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 #include "render/rs_shadow.h"
17 
18 #include <algorithm>
19 
20 namespace OHOS {
21 namespace Rosen {
RSShadow()22 RSShadow::RSShadow() {}
23 
~RSShadow()24 RSShadow::~RSShadow() {}
25 
SetColor(Color color)26 void RSShadow::SetColor(Color color)
27 {
28     color_ = color;
29 }
30 
SetOffsetX(float offsetX)31 void RSShadow::SetOffsetX(float offsetX)
32 {
33     offsetX_ = offsetX;
34 }
35 
SetOffsetY(float offsetY)36 void RSShadow::SetOffsetY(float offsetY)
37 {
38     offsetY_ = offsetY;
39 }
40 
SetAlpha(float alpha)41 void RSShadow::SetAlpha(float alpha)
42 {
43     color_.SetAlpha(std::clamp(alpha, 0.0f, 1.0f) * UINT8_MAX);
44 }
45 
SetElevation(float elevation)46 void RSShadow::SetElevation(float elevation)
47 {
48     isHardwareAcceleration_ = true;
49     elevation_ = elevation;
50 }
51 
SetRadius(float radius)52 void RSShadow::SetRadius(float radius)
53 {
54     isHardwareAcceleration_ = false;
55     radius_ = radius;
56 }
57 
SetPath(std::shared_ptr<RSPath> path)58 void RSShadow::SetPath(std::shared_ptr<RSPath> path)
59 {
60     path_ = path;
61 }
62 
GetColor() const63 Color RSShadow::GetColor() const
64 {
65     return color_;
66 }
67 
GetOffsetX() const68 float RSShadow::GetOffsetX() const
69 {
70     return offsetX_;
71 }
72 
GetOffsetY() const73 float RSShadow::GetOffsetY() const
74 {
75     return offsetY_;
76 }
77 
GetAlpha() const78 float RSShadow::GetAlpha() const
79 {
80     return static_cast<float>(color_.GetAlpha()) / UINT8_MAX;
81 }
82 
GetElevation() const83 float RSShadow::GetElevation() const
84 {
85     return elevation_;
86 }
87 
GetRadius() const88 float RSShadow::GetRadius() const
89 {
90     return radius_;
91 }
92 
GetPath() const93 std::shared_ptr<RSPath> RSShadow::GetPath() const
94 {
95     return path_;
96 }
97 
IsValid() const98 bool RSShadow::IsValid() const
99 {
100     if (isHardwareAcceleration_) {
101         return GetAlpha() > 0.f;
102     } else {
103         return radius_ > 0.f;
104     }
105 }
106 } // namespace Rosen
107 } // namespace OHOS
108