1/*
2 * Copyright 2017 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 SkSVGPattern_DEFINED
9#define SkSVGPattern_DEFINED
10
11#include "SkSVGHiddenContainer.h"
12#include "SkSVGTypes.h"
13
14class SkSVGRenderContext;
15
16class SkSVGPattern final : public SkSVGHiddenContainer {
17public:
18    ~SkSVGPattern() override = default;
19
20    static sk_sp<SkSVGPattern> Make() {
21        return sk_sp<SkSVGPattern>(new SkSVGPattern());
22    }
23
24    void setX(const SkSVGLength&);
25    void setY(const SkSVGLength&);
26    void setWidth(const SkSVGLength&);
27    void setHeight(const SkSVGLength&);
28    void setHref(const SkSVGStringType&);
29    void setPatternTransform(const SkSVGTransformType&);
30
31protected:
32    SkSVGPattern();
33
34    void onSetAttribute(SkSVGAttribute, const SkSVGValue&) override;
35
36    bool onAsPaint(const SkSVGRenderContext&, SkPaint*) const override;
37
38private:
39    struct PatternAttributes {
40        SkTLazy<SkSVGLength>        fX,
41                                    fY,
42                                    fWidth,
43                                    fHeight;
44        SkTLazy<SkSVGTransformType> fPatternTransform;
45    } fAttributes;
46
47    SkSVGStringType    fHref;
48
49    const SkSVGPattern* resolveHref(const SkSVGRenderContext&, PatternAttributes*) const;
50    const SkSVGPattern* hrefTarget(const SkSVGRenderContext&) const;
51
52    // TODO:
53    //   - patternUnits
54    //   - patternContentUnits
55
56    typedef SkSVGHiddenContainer INHERITED;
57};
58
59#endif // SkSVGPattern_DEFINED
60