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_COLOR_MATRIX_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SVG_PARSE_SVG_FE_COLOR_MATRIX_H
18 
19 #include "frameworks/core/components_ng/svg/parse/svg_fe.h"
20 
21 namespace OHOS::Ace::NG {
22 
23 class SvgFeColorMatrix : public SvgFe {
24     DECLARE_ACE_TYPE(SvgFeColorMatrix, SvgFe);
25 
26 public:
27     SvgFeColorMatrix();
28     ~SvgFeColorMatrix() override = default;
29     static RefPtr<SvgNode> Create();
30 
31     void MakeMatrix(const std::string& values);
32     void MakeSaturate(const std::string& values);
33     void MakeHueRotate(const std::string& values);
34     void MakeLuminanceToAlpha();
35 
36     void OnInitStyle() override;
37 
38 #ifndef USE_ROSEN_DRAWING
39     void OnAsImageFilter(sk_sp<SkImageFilter>& imageFilter,
40         const ColorInterpolationType& srcColor, ColorInterpolationType& currentColor) const override;
41 #else
42     void OnAsImageFilter(std::shared_ptr<RSImageFilter>& imageFilter,
43         const SvgColorInterpolationType& srcColor, SvgColorInterpolationType& currentColor,
44         std::unordered_map<std::string, std::shared_ptr<RSImageFilter>>& resultHash) const override;
45 #endif
46 
47     bool ParseAndSetSpecializedAttr(const std::string& name, const std::string& value) override;
48 
49 private:
50     // default matrix, don't change the RGBA in origin image
51     std::vector<float> matrix_ = {
52         1, 0, 0, 0, 0,
53         0, 1, 0, 0, 0,
54         0, 0, 1, 0, 0,
55         0, 0, 0, 1, 0
56     }; // 5 * 4 matrix
57     SvgFeColorMatrixAttribute matrixAttr_;
58 };
59 
60 } // namespace OHOS::Ace::NG
61 
62 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_SVG_PARSE_SVG_FE_COLOR_MATRIX_H
63