1 #ifndef __SP_GRADIENT_H__
2 #define __SP_GRADIENT_H__
4 /** \file
5 * SVG <stop> <linearGradient> and <radialGradient> implementation
6 *
7 * Authors:
8 * Lauris Kaplinski <lauris@kaplinski.com>
9 *
10 * Copyright (C) 1999-2002 Lauris Kaplinski
11 * Copyright (C) 2000-2001 Ximian, Inc.
12 *
13 * Released under GNU GPL, read the file 'COPYING' for more information
14 */
16 #include <gdk/gdktypes.h>
17 #include "libnr/nr-matrix.h"
18 #include "sp-paint-server.h"
19 #include "sp-gradient-spread.h"
20 #include "sp-gradient-units.h"
21 #include "sp-gradient-vector.h"
23 #include <sigc++/connection.h>
25 struct SPGradientReference;
27 typedef enum {
28 SP_GRADIENT_TYPE_UNKNOWN,
29 SP_GRADIENT_TYPE_LINEAR,
30 SP_GRADIENT_TYPE_RADIAL
31 } SPGradientType;
33 typedef enum {
34 SP_GRADIENT_STATE_UNKNOWN,
35 SP_GRADIENT_STATE_VECTOR,
36 SP_GRADIENT_STATE_PRIVATE
37 } SPGradientState;
39 typedef enum {
40 POINT_LG_P1,
41 POINT_LG_P2,
42 POINT_RG_CENTER,
43 POINT_RG_R1,
44 POINT_RG_R2,
45 POINT_RG_FOCUS
46 } GrPoint;
48 /**
49 * Gradient
50 *
51 * Implement spread, stops list
52 * \todo fixme: Implement more here (Lauris)
53 */
54 struct SPGradient : public SPPaintServer {
55 /** Reference (href) */
56 SPGradientReference *ref;
57 /** State in Inkscape gradient system */
58 guint state : 2;
59 /** gradientUnits attribute */
60 SPGradientUnits units;
61 guint units_set : 1;
62 /** gradientTransform attribute */
63 NR::Matrix gradientTransform;
64 guint gradientTransform_set : 1;
65 /** spreadMethod attribute */
66 SPGradientSpread spread;
67 guint spread_set : 1;
68 /** Gradient stops */
69 guint has_stops : 1;
70 /** Composed vector */
71 SPGradientVector vector;
72 /** Rendered color array (4 * 1024 bytes) */
73 guchar *color;
75 sigc::connection modified_connection;
76 };
78 /**
79 * The SPGradient vtable.
80 */
81 struct SPGradientClass {
82 SPPaintServerClass parent_class;
83 };
86 #include "sp-gradient-fns.h"
88 #endif /* !__SP_GRADIENT_H__ */
90 /*
91 Local Variables:
92 mode:c++
93 c-file-style:"stroustrup"
94 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
95 indent-tabs-mode:nil
96 fill-column:99
97 End:
98 */
99 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :