xref: /aosp_15_r20/external/skia/modules/svg/include/SkSVGContainer.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 SkSVGContainer_DEFINED
9 #define SkSVGContainer_DEFINED
10 
11 #include "include/core/SkPath.h"
12 #include "include/core/SkRect.h"
13 #include "include/core/SkRefCnt.h"
14 #include "include/private/base/SkAPI.h"
15 #include "include/private/base/SkTArray.h"
16 #include "modules/svg/include/SkSVGNode.h"
17 #include "modules/svg/include/SkSVGTransformableNode.h"
18 
19 class SkSVGRenderContext;
20 
21 class SK_API SkSVGContainer : public SkSVGTransformableNode {
22 public:
23     void appendChild(sk_sp<SkSVGNode>) override;
24 
25 protected:
26     explicit SkSVGContainer(SkSVGTag);
27 
28     void onRender(const SkSVGRenderContext&) const override;
29 
30     SkPath onAsPath(const SkSVGRenderContext&) const override;
31 
32     SkRect onObjectBoundingBox(const SkSVGRenderContext&) const override;
33 
34     bool hasChildren() const final;
35 
36     template <typename NodeType, typename Func>
forEachChild(Func func)37     void forEachChild(Func func) const {
38         for (const auto& child : fChildren) {
39             if (child->tag() == NodeType::tag) {
40                 func(static_cast<const NodeType*>(child.get()));
41             }
42         }
43     }
44 
45     // TODO: convert remaining direct users to iterators, and make the container private.
46     skia_private::STArray<1, sk_sp<SkSVGNode>, true> fChildren;
47 
48 private:
49     using INHERITED = SkSVGTransformableNode;
50 };
51 
52 #endif // SkSVGContainer_DEFINED
53