xref: /aosp_15_r20/external/skia/modules/svg/include/SkSVGFeBlend.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2020 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 SkSVGFeBlend_DEFINED
9 #define SkSVGFeBlend_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/SkSVGNode.h"
15 #include "modules/svg/include/SkSVGTypes.h"
16 
17 #include <vector>
18 
19 class SkImageFilter;
20 class SkSVGFilterContext;
21 class SkSVGRenderContext;
22 
23 class SK_API SkSVGFeBlend : public SkSVGFe {
24 public:
25     enum class Mode {
26         kNormal,
27         kMultiply,
28         kScreen,
29         kDarken,
30         kLighten,
31     };
32 
Make()33     static sk_sp<SkSVGFeBlend> Make() { return sk_sp<SkSVGFeBlend>(new SkSVGFeBlend()); }
34 
35     SVG_ATTR(Mode, Mode, Mode::kNormal)
36     SVG_ATTR(In2, SkSVGFeInputType, SkSVGFeInputType())
37 
38 protected:
39     sk_sp<SkImageFilter> onMakeImageFilter(const SkSVGRenderContext&,
40                                            const SkSVGFilterContext&) const override;
41 
getInputs()42     std::vector<SkSVGFeInputType> getInputs() const override {
43         return {this->getIn(), this->getIn2()};
44     }
45 
46     bool parseAndSetAttribute(const char*, const char*) override;
47 
48 private:
SkSVGFeBlend()49     SkSVGFeBlend() : INHERITED(SkSVGTag::kFeBlend) {}
50 
51     using INHERITED = SkSVGFe;
52 };
53 
54 #endif  // SkSVGFeBlend_DEFINED
55