xref: /aosp_15_r20/external/skia/modules/svg/include/SkSVGCircle.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2016 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 SkSVGCircle_DEFINED
9 #define SkSVGCircle_DEFINED
10 
11 #include "include/core/SkPath.h"
12 #include "include/core/SkRect.h"
13 #include "include/core/SkRefCnt.h"
14 #include "include/core/SkScalar.h"
15 #include "include/private/base/SkAPI.h"
16 #include "modules/svg/include/SkSVGNode.h"
17 #include "modules/svg/include/SkSVGShape.h"
18 #include "modules/svg/include/SkSVGTypes.h"
19 
20 #include <tuple>
21 
22 class SkCanvas;
23 class SkPaint;
24 class SkSVGLengthContext;
25 class SkSVGRenderContext;
26 enum class SkPathFillType;
27 struct SkPoint;
28 
29 class SK_API SkSVGCircle final : public SkSVGShape {
30 public:
Make()31     static sk_sp<SkSVGCircle> Make() { return sk_sp<SkSVGCircle>(new SkSVGCircle()); }
32 
33     SVG_ATTR(Cx, SkSVGLength, SkSVGLength(0))
34     SVG_ATTR(Cy, SkSVGLength, SkSVGLength(0))
35     SVG_ATTR(R , SkSVGLength, SkSVGLength(0))
36 
37 protected:
38     bool parseAndSetAttribute(const char*, const char*) override;
39 
40     void onDraw(SkCanvas*, const SkSVGLengthContext&, const SkPaint&,
41                 SkPathFillType) const override;
42 
43     SkPath onAsPath(const SkSVGRenderContext&) const override;
44 
45     SkRect onObjectBoundingBox(const SkSVGRenderContext&) const override;
46 
47 private:
48     SkSVGCircle();
49 
50     // resolve and return the center and radius values
51     std::tuple<SkPoint, SkScalar> resolve(const SkSVGLengthContext&) const;
52 
53     using INHERITED = SkSVGShape;
54 };
55 
56 #endif // SkSVGCircle_DEFINED
57