1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /** @file
3  * TODO: insert short description here
4  *//*
5  * Authors: see git history
6  *
7  * Copyright (C) 2018 Authors
8  * Released under GNU GPL v2+, read the file 'COPYING' for more information.
9  */
10 #ifndef SP_RADIAL_GRADIENT_H
11 #define SP_RADIAL_GRADIENT_H
12 
13 /** \file
14  * SPRadialGradient: SVG <radialgradient> implementtion.
15  */
16 
17 #include "sp-gradient.h"
18 #include "svg/svg-length.h"
19 
20 typedef struct _cairo cairo_t;
21 typedef struct _cairo_pattern cairo_pattern_t;
22 
23 #define SP_RADIALGRADIENT(obj) (dynamic_cast<SPRadialGradient*>((SPObject*)obj))
24 #define SP_IS_RADIALGRADIENT(obj) (dynamic_cast<const SPRadialGradient*>((SPObject*)obj) != NULL)
25 
26 /** Radial gradient. */
27 class SPRadialGradient : public SPGradient {
28 public:
29     SPRadialGradient();
30     ~SPRadialGradient() override;
31 
32     SVGLength cx;
33     SVGLength cy;
34     SVGLength r;
35     SVGLength fx;
36     SVGLength fy;
37     SVGLength fr; // Focus radius. Added in SVG 2
38 
39     cairo_pattern_t* pattern_new(cairo_t *ct, Geom::OptRect const &bbox, double opacity) override;
40 
41 protected:
42     void build(SPDocument *document, Inkscape::XML::Node *repr) override;
43     void set(SPAttr key, char const *value) override;
44     void update(SPCtx *ctx, unsigned int flags) override;
45     Inkscape::XML::Node* write(Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, unsigned int flags) override;
46 };
47 
48 #endif /* !SP_RADIAL_GRADIENT_H */
49 
50 /*
51   Local Variables:
52   mode:c++
53   c-file-style:"stroustrup"
54   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
55   indent-tabs-mode:nil
56   fill-column:99
57   End:
58 */
59 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
60