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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/cairo.h
3 // Purpose: Cairo library
4 // Author: Anthony Bretaudeau
5 // Created: 2007-08-25
6 // RCS-ID: $Id: cairo.h 47254 2007-08-25 10:09:52Z VS $
7 // Copyright: (c) Anthony Bretaudeau
8 // Licence: wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10
11 #ifndef _WX_CAIRO_H_BASE_
12 #define _WX_CAIRO_H_BASE_
13
14 // for now GTK+ only
15 #ifndef wxUSE_CAIRO
16 #ifdef __WXGTK210__
17 #define wxUSE_CAIRO 1
18 #else
19 #define wxUSE_CAIRO 0
20 #endif
21 #endif
22
23 #if wxUSE_CAIRO
24
25 #include "wx/dynlib.h"
26 #include <cairo.h>
27
28
29 class wxCairoLibrary
30 {
31 public:
32 // return the pointer to the global instance of this class or NULL if we
33 // failed to load/initialize it
34 static wxCairoLibrary *Get();
35
36
37 // for internal use only
38 static void CleanUp();
39
40 private:
41 // the single wxCairoLibrary instance or NULL
42 static wxCairoLibrary *ms_lib;
43
44 wxCairoLibrary();
45 ~wxCairoLibrary();
46
47 bool IsOk();
48 bool InitializeMethods();
49
50 wxDynamicLibrary m_libCairo;
51 wxDynamicLibrary m_libPangoCairo;
52
53 // true if we successfully loaded the libraries and can use them
54 //
55 // note that this field must have this name as it's used by wxDL_XXX macros
56 bool m_ok;
57
58 public:
59 wxDL_VOIDMETHOD_DEFINE( cairo_arc,
60 (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2), (cr, xc, yc, radius, angle1, angle2) )
61 wxDL_VOIDMETHOD_DEFINE( cairo_arc_negative,
62 (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2), (cr, xc, yc, radius, angle1, angle2) )
63 wxDL_VOIDMETHOD_DEFINE( cairo_clip,
64 (cairo_t *cr), (cr) )
65 wxDL_VOIDMETHOD_DEFINE( cairo_close_path,
66 (cairo_t *cr), (cr) )
67 wxDL_METHOD_DEFINE( cairo_t*, cairo_create,
68 (cairo_surface_t *target), (target), NULL)
69 wxDL_VOIDMETHOD_DEFINE( cairo_curve_to,
70 (cairo_t *cr, double x1, double y1, double x2, double y2, double x3, double y3), (cr, x1, y1, x2, y2, x3, y3) )
71 wxDL_VOIDMETHOD_DEFINE( cairo_destroy,
72 (cairo_t *cr), (cr) )
73 wxDL_VOIDMETHOD_DEFINE( cairo_fill,
74 (cairo_t *cr), (cr) )
75 wxDL_VOIDMETHOD_DEFINE( cairo_fill_preserve,
76 (cairo_t *cr), (cr) )
77 wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_get_target,
78 (cairo_t *cr), (cr), NULL)
79 wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_image_surface_create_for_data,
80 (unsigned char *data, cairo_format_t format, int width, int height, int stride), (data, format, width, height, stride), NULL)
81 wxDL_VOIDMETHOD_DEFINE( cairo_line_to,
82 (cairo_t *cr, double x, double y), (cr, x, y) )
83 wxDL_VOIDMETHOD_DEFINE( cairo_move_to,
84 (cairo_t *cr, double x, double y), (cr, x, y) )
85 wxDL_VOIDMETHOD_DEFINE( cairo_new_path,
86 (cairo_t *cr), (cr) )
87 wxDL_VOIDMETHOD_DEFINE( cairo_paint,
88 (cairo_t *cr), (cr) )
89 wxDL_VOIDMETHOD_DEFINE( cairo_pattern_add_color_stop_rgba,
90 (cairo_pattern_t *pattern, double offset, double red, double green, double blue, double alpha), (pattern, offset, red, green, blue, alpha) )
91 wxDL_METHOD_DEFINE( cairo_pattern_t*, cairo_pattern_create_for_surface,
92 (cairo_surface_t *surface), (surface), NULL)
93 wxDL_METHOD_DEFINE( cairo_pattern_t*, cairo_pattern_create_linear,
94 (double x0, double y0, double x1, double y1), (x0, y0, x1, y1), NULL)
95 wxDL_METHOD_DEFINE( cairo_pattern_t*, cairo_pattern_create_radial,
96 (double cx0, double cy0, double radius0, double cx1, double cy1, double radius1), (cx0, cy0, radius0, cx1, cy1, radius1), NULL)
97 wxDL_VOIDMETHOD_DEFINE( cairo_pattern_destroy,
98 (cairo_pattern_t *pattern), (pattern) )
99 wxDL_VOIDMETHOD_DEFINE( cairo_pattern_set_extend,
100 (cairo_pattern_t *pattern, cairo_extend_t extend), (pattern, extend) )
101 wxDL_VOIDMETHOD_DEFINE( cairo_pattern_set_filter,
102 (cairo_pattern_t *pattern, cairo_filter_t filter), (pattern, filter) )
103 wxDL_VOIDMETHOD_DEFINE( cairo_rectangle,
104 (cairo_t *cr, double x, double y, double width, double height), (cr, x, y, width, height) )
105 wxDL_METHOD_DEFINE( cairo_t*, cairo_reference,
106 (cairo_t *cr), (cr), NULL )
107 wxDL_VOIDMETHOD_DEFINE( cairo_reset_clip,
108 (cairo_t *cr), (cr) )
109 wxDL_VOIDMETHOD_DEFINE( cairo_restore,
110 (cairo_t *cr), (cr) )
111 wxDL_VOIDMETHOD_DEFINE( cairo_rotate,
112 (cairo_t *cr, double angle), (cr, angle) )
113 wxDL_VOIDMETHOD_DEFINE( cairo_save,
114 (cairo_t *cr), (cr) )
115 wxDL_VOIDMETHOD_DEFINE( cairo_scale,
116 (cairo_t *cr, double sx, double sy), (cr, sx, sy) )
117 wxDL_VOIDMETHOD_DEFINE( cairo_set_dash,
118 (cairo_t *cr, const double *dashes, int num_dashes, double offset), (cr, dashes, num_dashes, offset) )
119 wxDL_VOIDMETHOD_DEFINE( cairo_set_fill_rule,
120 (cairo_t *cr, cairo_fill_rule_t fill_rule), (cr, fill_rule) )
121 wxDL_VOIDMETHOD_DEFINE( cairo_set_line_cap,
122 (cairo_t *cr, cairo_line_cap_t line_cap), (cr, line_cap) )
123 wxDL_VOIDMETHOD_DEFINE( cairo_set_line_join,
124 (cairo_t *cr, cairo_line_join_t line_join), (cr, line_join) )
125 wxDL_VOIDMETHOD_DEFINE( cairo_set_line_width,
126 (cairo_t *cr, double width), (cr, width) )
127 wxDL_VOIDMETHOD_DEFINE( cairo_set_operator,
128 (cairo_t *cr, cairo_operator_t op), (cr, op) )
129 wxDL_VOIDMETHOD_DEFINE( cairo_set_source,
130 (cairo_t *cr, cairo_pattern_t *source), (cr, source) )
131 wxDL_VOIDMETHOD_DEFINE( cairo_set_source_rgba,
132 (cairo_t *cr, double red, double green, double blue, double alpha), (cr, red, green, blue, alpha) )
133 wxDL_VOIDMETHOD_DEFINE( cairo_stroke,
134 (cairo_t *cr), (cr) )
135 wxDL_VOIDMETHOD_DEFINE( cairo_stroke_preserve,
136 (cairo_t *cr), (cr) )
137 wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_surface_create_similar,
138 (cairo_surface_t *other, cairo_content_t content, int width, int height), (other, content, width, height), NULL)
139 wxDL_VOIDMETHOD_DEFINE( cairo_surface_destroy,
140 (cairo_surface_t *surface), (surface) )
141 wxDL_VOIDMETHOD_DEFINE( cairo_translate,
142 (cairo_t *cr, double tx, double ty), (cr, tx, ty) )
143
144 wxDL_VOIDMETHOD_DEFINE( pango_cairo_update_layout,
145 (cairo_t *cr, PangoLayout *layout), (cr, layout) )
146 wxDL_VOIDMETHOD_DEFINE( pango_cairo_show_layout,
147 (cairo_t *cr, PangoLayout *layout), (cr, layout) )
148
149 DECLARE_NO_COPY_CLASS(wxCairoLibrary)
150 };
151
152 #endif // wxUSE_CAIRO
153
154 #endif // _WX_CAIRO_H_BASE_