1 /*
2  * Copyright (c) 2022-2024 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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SVG_PARSE_SVG_FE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SVG_PARSE_SVG_FE_H
18 
19 #include "include/core/SkImageFilter.h"
20 
21 #include "frameworks/core/components_ng/svg/parse/svg_attributes_parser.h"
22 #include "frameworks/core/components/declaration/svg/svg_fe_declaration.h"
23 #include "frameworks/core/components_ng/svg/parse/svg_node.h"
24 
25 namespace OHOS::Ace::NG {
26 
27 class SvgFe : public SvgNode {
28     DECLARE_ACE_TYPE(SvgFe, SvgNode);
29 
30 public:
31     SvgFe();
32     ~SvgFe() override = default;
33     static RefPtr<SvgNode> Create();
34 
35     void OnInitStyle() override;
36 
37     void RegisterResult(const std::string& id, std::shared_ptr<RSImageFilter>& imageFilter,
38         std::unordered_map<std::string, std::shared_ptr<RSImageFilter>>& resultHash) const;
39 
40     static void ConverImageFilterColor(std::shared_ptr<RSImageFilter>& imageFilter,
41         const SvgColorInterpolationType& src, const SvgColorInterpolationType& dst);
42 
43     static std::shared_ptr<RSImageFilter> MakeImageFilter(const SvgFeIn& in,
44         std::shared_ptr<RSImageFilter>& imageFilter,
45         std::unordered_map<std::string, std::shared_ptr<RSImageFilter>>& resultHash);
46 
47     void GetImageFilter(std::shared_ptr<RSImageFilter>& imageFilter, SvgColorInterpolationType& currentColor,
48         std::unordered_map<std::string, std::shared_ptr<RSImageFilter>>& resultHash,
49         const Rect& effectFilterArea = {});
50 
51     bool ParseAndSetSpecializedAttr(const std::string& name, const std::string& value) override;
52 
53 protected:
OnAsImageFilter(std::shared_ptr<RSImageFilter> & imageFilter,const SvgColorInterpolationType & srcColor,SvgColorInterpolationType & currentColor,std::unordered_map<std::string,std::shared_ptr<RSImageFilter>> & resultHash)54     virtual void OnAsImageFilter(std::shared_ptr<RSImageFilter>& imageFilter, const SvgColorInterpolationType& srcColor,
55         SvgColorInterpolationType& currentColor,
56         std::unordered_map<std::string, std::shared_ptr<RSImageFilter>>& resultHash) const
57     {}
58 
59     Rect effectFilterArea_;
60     SvgFeCommonAttribute feAttr_;
61 };
62 
63 } // namespace OHOS::Ace::NG
64 
65 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SVG_PARSE_SVG_FE_H
66