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 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_IMAGE_IMAGE_THEME_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_IMAGE_IMAGE_THEME_H
18 
19 #include "core/components/theme/theme.h"
20 #include "core/components/theme/theme_constants.h"
21 #include "core/components/theme/theme_constants_defines.h"
22 #include "core/components/theme/theme_manager.h"
23 #include "frameworks/bridge/common/utils/utils.h"
24 
25 namespace OHOS::Ace {
26 
27 /**
28  * ImageTheme defines color and styles of Image. ImageTheme should be built
29  * using ImageTheme::Builder.
30  */
31 class ImageTheme : public virtual Theme {
32     DECLARE_ACE_TYPE(ImageTheme, Theme);
33 
34 public:
35     class Builder {
36     public:
37         Builder() = default;
38         ~Builder() = default;
39 
Build(const RefPtr<ThemeConstants> & themeConstants)40         RefPtr<ImageTheme> Build(const RefPtr<ThemeConstants>& themeConstants) const
41         {
42             RefPtr<ImageTheme> theme = AceType::Claim(new ImageTheme());
43             if (!themeConstants) {
44                 return theme;
45             }
46             auto themeStyle = themeConstants->GetThemeStyle();
47             theme->fillColor_ = themeConstants->GetColor(THEME_IMAGE_FILL_COLOR);
48             ParsePattern(themeConstants, theme);
49             return theme;
50         }
51 
52     private:
ParsePattern(const RefPtr<ThemeConstants> & themeConstants,const RefPtr<ImageTheme> & theme)53         void ParsePattern(const RefPtr<ThemeConstants>& themeConstants, const RefPtr<ImageTheme>& theme) const
54         {
55             RefPtr<ThemeStyle> pattern = themeConstants->GetPatternByName(THEME_PATTERN_IMAGE);
56             if (!pattern) {
57                 LOGW("find pattern of image fail");
58                 return;
59             }
60             theme->fillColor_ = pattern->GetAttr<Color>("fill_color", Color());
61             auto draggable = pattern->GetAttr<std::string>("draggable", "0");
62             theme->draggable_ = StringUtils::StringToInt(draggable);
63             theme->minEdgeAntialiasing_ = pattern->GetAttr<double>("min_edge_antialiasing", 0.0);
64         }
65     };
66 
67     ~ImageTheme() override = default;
68 
GetFillColor()69     const Color& GetFillColor() const
70     {
71         return fillColor_;
72     }
73 
GetDraggable()74     bool GetDraggable() const
75     {
76         return draggable_;
77     }
78 
GetMinEdgeAntialiasing()79     float GetMinEdgeAntialiasing() const
80     {
81         return minEdgeAntialiasing_;
82     }
83 
84 protected:
85     ImageTheme() = default;
86 
87 private:
88     Color fillColor_;
89     bool draggable_ = false;
90     float minEdgeAntialiasing_ = 0.0;
91 };
92 
93 } // namespace OHOS::Ace
94 
95 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_IMAGE_IMAGE_THEME_H
96