1/*
2 * Copyright 2021 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 SkSVGImage_DEFINED
9#define SkSVGImage_DEFINED
10
11#include "modules/svg/include/SkSVGTransformableNode.h"
12#include "modules/svg/include/SkSVGTypes.h"
13
14namespace skresources {
15class ResourceProvider;
16}
17
18class SkSVGImage final : public SkSVGTransformableNode {
19public:
20    static sk_sp<SkSVGImage> Make() {
21        return sk_sp<SkSVGImage>(new SkSVGImage());
22    }
23
24    void appendChild(sk_sp<SkSVGNode>) override {
25        SkDebugf("cannot append child nodes to this element.\n");
26    }
27
28    bool onPrepareToRender(SkSVGRenderContext*) const override;
29    void onRender(const SkSVGRenderContext&) const override;
30    SkPath onAsPath(const SkSVGRenderContext&) const override;
31    SkRect onObjectBoundingBox(const SkSVGRenderContext&) const override;
32
33    struct ImageInfo {
34        sk_sp<SkImage> fImage;
35        SkRect         fDst;
36    };
37    static ImageInfo LoadImage(const sk_sp<skresources::ResourceProvider>&,
38                               const SkSVGIRI&,
39                               const SkRect&,
40                               SkSVGPreserveAspectRatio);
41
42    SVG_ATTR(X                  , SkSVGLength             , SkSVGLength(0))
43    SVG_ATTR(Y                  , SkSVGLength             , SkSVGLength(0))
44    SVG_ATTR(Width              , SkSVGLength             , SkSVGLength(0))
45    SVG_ATTR(Height             , SkSVGLength             , SkSVGLength(0))
46    SVG_ATTR(Href               , SkSVGIRI                , SkSVGIRI())
47    SVG_ATTR(PreserveAspectRatio, SkSVGPreserveAspectRatio, SkSVGPreserveAspectRatio())
48
49protected:
50    bool parseAndSetAttribute(const char*, const char*) override;
51
52private:
53    SkSVGImage() : INHERITED(SkSVGTag::kImage) {}
54
55    using INHERITED = SkSVGTransformableNode;
56};
57
58#endif  // SkSVGImage_DEFINED
59