xref: /aosp_15_r20/external/skia/modules/svg/include/SkSVGFeMerge.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2024 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef SkSVGFeMerge_DEFINED
9 #define SkSVGFeMerge_DEFINED
10 
11 #include "include/core/SkRefCnt.h"
12 #include "include/private/base/SkAPI.h"
13 #include "modules/svg/include/SkSVGFe.h"
14 #include "modules/svg/include/SkSVGHiddenContainer.h"
15 #include "modules/svg/include/SkSVGNode.h"
16 #include "modules/svg/include/SkSVGTypes.h"
17 
18 #include <vector>
19 
20 class SkImageFilter;
21 class SkSVGFilterContext;
22 class SkSVGRenderContext;
23 
24 // https://www.w3.org/TR/SVG11/filters.html#feMergeNodeElement
25 class SK_API SkSVGFeMergeNode : public SkSVGHiddenContainer {
26 public:
27     static constexpr SkSVGTag tag = SkSVGTag::kFeMergeNode;
28 
Make()29     static sk_sp<SkSVGFeMergeNode> Make() {
30         return sk_sp<SkSVGFeMergeNode>(new SkSVGFeMergeNode());
31     }
32 
33     SVG_ATTR(In, SkSVGFeInputType, SkSVGFeInputType())
34 
35 protected:
36     bool parseAndSetAttribute(const char*, const char*) override;
37 
38 private:
SkSVGFeMergeNode()39     SkSVGFeMergeNode() : INHERITED(tag) {}
40 
41     using INHERITED = SkSVGHiddenContainer;
42 };
43 
44 // https://www.w3.org/TR/SVG11/filters.html#feMergeElement
45 class SK_API SkSVGFeMerge : public SkSVGFe {
46 public:
47     static constexpr SkSVGTag tag = SkSVGTag::kFeMerge;
48 
Make()49     static sk_sp<SkSVGFeMerge> Make() { return sk_sp<SkSVGFeMerge>(new SkSVGFeMerge()); }
50 
51 protected:
52     sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&,
53                                            const SkSVGFilterContext&) const override;
54 
55     std::vector<SkSVGFeInputType> getInputs() const override;
56 
57 private:
SkSVGFeMerge()58     SkSVGFeMerge() : INHERITED(tag) {}
59 
60     using INHERITED = SkSVGFe;
61 };
62 
63 #endif //  SkSVGFeMerge_DEFINED
64