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 "core/components/common/properties/shadow.h"
17 
18 #include "core/animation/evaluator.h"
19 #include "core/components/common/properties/shadow_config.h"
20 
21 namespace OHOS::Ace {
22 
Blend(const Shadow & to,const Shadow & from,float progress)23 Shadow Shadow::Blend(const Shadow& to, const Shadow& from, float progress)
24 {
25     auto offset = from.offset_ + (to.offset_ - from.offset_) * progress;
26     auto blurRadius = from.blurRadius_ + (to.blurRadius_ - from.blurRadius_) * progress;
27     auto spreadRadius = from.spreadRadius_ + (to.spreadRadius_ - from.spreadRadius_) * progress;
28     LinearEvaluator<Color> evaluator;
29     auto color = evaluator.Evaluate(from.color_, to.color_, progress);
30     return Shadow(blurRadius, spreadRadius, offset, color);
31 }
32 
CreateShadow(ShadowStyle style)33 Shadow Shadow::CreateShadow(ShadowStyle style)
34 {
35     auto colorMode = SystemProperties::GetColorMode();
36     if (colorMode == ColorMode::DARK) {
37         switch (style) {
38             case ShadowStyle::OuterDefaultXS:
39                 return ShadowConfig::DefaultShadowXSDark;
40             case ShadowStyle::OuterDefaultSM:
41                 return ShadowConfig::DefaultShadowSDark;
42             case ShadowStyle::OuterDefaultMD:
43                 return ShadowConfig::DefaultShadowMDark;
44             case ShadowStyle::OuterDefaultLG:
45                 return ShadowConfig::DefaultShadowLDark;
46             case ShadowStyle::OuterFloatingSM:
47                 return ShadowConfig::FloatingShadowSDark;
48             case ShadowStyle::OuterFloatingMD:
49                 return ShadowConfig::FloatingShadowMDark;
50             default:
51                 return ShadowConfig::NoneShadow;
52         }
53     }
54     switch (style) {
55         case ShadowStyle::OuterDefaultXS:
56             return ShadowConfig::DefaultShadowXS;
57         case ShadowStyle::OuterDefaultSM:
58             return ShadowConfig::DefaultShadowS;
59         case ShadowStyle::OuterDefaultMD:
60             return ShadowConfig::DefaultShadowM;
61         case ShadowStyle::OuterDefaultLG:
62             return ShadowConfig::DefaultShadowL;
63         case ShadowStyle::OuterFloatingSM:
64             return ShadowConfig::FloatingShadowS;
65         case ShadowStyle::OuterFloatingMD:
66             return ShadowConfig::FloatingShadowM;
67         default:
68             return ShadowConfig::NoneShadow;
69     }
70     return ShadowConfig::NoneShadow;
71 }
72 } // namespace OHOS::Ace