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 SkSVGDOM_DEFINED
9 #define SkSVGDOM_DEFINED
10 
11 #include "include/core/SkFontMgr.h"
12 #include "include/core/SkRefCnt.h"
13 #include "include/core/SkSize.h"
14 #include "include/private/SkTemplates.h"
15 #include "modules/skresources/include/SkResources.h"
16 #include "modules/svg/include/SkSVGIDMapper.h"
17 
18 class SkCanvas;
19 class SkDOM;
20 class SkStream;
21 class SkSVGNode;
22 class SkSVGSVG;
23 
24 class SkSVGDOM : public SkRefCnt {
25 public:
26     class Builder final {
27     public:
28         /**
29          * Specify a font manager for loading SVG fonts.
30          */
31         Builder& setFontManager(sk_sp<SkFontMgr>);
32 
33         /**
34          * Specify a resource provider for loading images etc.
35          */
36         Builder& setResourceProvider(sk_sp<skresources::ResourceProvider>);
37 
38         sk_sp<SkSVGDOM> make(SkStream&) const;
39 
40     private:
41         sk_sp<SkFontMgr>                     fFontMgr;
42         sk_sp<skresources::ResourceProvider> fResourceProvider;
43     };
44 
MakeFromStream(SkStream & str)45     static sk_sp<SkSVGDOM> MakeFromStream(SkStream& str) {
46         return Builder().make(str);
47     }
48 
49     const SkSize& containerSize() const;
50     void setContainerSize(const SkSize&);
51 
52     // Returns the node with the given id, or nullptr if not found.
53     sk_sp<SkSVGNode>* findNodeById(const char* id);
54 
55     void render(SkCanvas*) const;
56 
57 private:
58     SkSVGDOM(sk_sp<SkSVGSVG>, sk_sp<SkFontMgr>, sk_sp<skresources::ResourceProvider>,
59              SkSVGIDMapper&&);
60 
61     const sk_sp<SkSVGSVG>                      fRoot;
62     const sk_sp<SkFontMgr>                     fFontMgr;
63     const sk_sp<skresources::ResourceProvider> fResourceProvider;
64     const SkSVGIDMapper                        fIDMapper;
65 
66     SkSize                 fContainerSize;
67 };
68 
69 #endif // SkSVGDOM_DEFINED
70