| 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_VOIDMETHOD_DEFINE( cairo_reset_clip, |
| 106 | (cairo_t *cr), (cr) ) |
| 107 | wxDL_VOIDMETHOD_DEFINE( cairo_restore, |
| 108 | (cairo_t *cr), (cr) ) |
| 109 | wxDL_VOIDMETHOD_DEFINE( cairo_rotate, |
| 110 | (cairo_t *cr, double angle), (cr, angle) ) |
| 111 | wxDL_VOIDMETHOD_DEFINE( cairo_save, |
| 112 | (cairo_t *cr), (cr) ) |
| 113 | wxDL_VOIDMETHOD_DEFINE( cairo_scale, |
| 114 | (cairo_t *cr, double sx, double sy), (cr, sx, sy) ) |
| 115 | wxDL_VOIDMETHOD_DEFINE( cairo_set_dash, |
| 116 | (cairo_t *cr, const double *dashes, int num_dashes, double offset), (cr, dashes, num_dashes, offset) ) |
| 117 | wxDL_VOIDMETHOD_DEFINE( cairo_set_fill_rule, |
| 118 | (cairo_t *cr, cairo_fill_rule_t fill_rule), (cr, fill_rule) ) |
| 119 | wxDL_VOIDMETHOD_DEFINE( cairo_set_line_cap, |
| 120 | (cairo_t *cr, cairo_line_cap_t line_cap), (cr, line_cap) ) |
| 121 | wxDL_VOIDMETHOD_DEFINE( cairo_set_line_join, |
| 122 | (cairo_t *cr, cairo_line_join_t line_join), (cr, line_join) ) |
| 123 | wxDL_VOIDMETHOD_DEFINE( cairo_set_line_width, |
| 124 | (cairo_t *cr, double width), (cr, width) ) |
| 125 | wxDL_VOIDMETHOD_DEFINE( cairo_set_operator, |
| 126 | (cairo_t *cr, cairo_operator_t op), (cr, op) ) |
| 127 | wxDL_VOIDMETHOD_DEFINE( cairo_set_source, |
| 128 | (cairo_t *cr, cairo_pattern_t *source), (cr, source) ) |
| 129 | wxDL_VOIDMETHOD_DEFINE( cairo_set_source_rgba, |
| 130 | (cairo_t *cr, double red, double green, double blue, double alpha), (cr, red, green, blue, alpha) ) |
| 131 | wxDL_VOIDMETHOD_DEFINE( cairo_stroke, |
| 132 | (cairo_t *cr), (cr) ) |
| 133 | wxDL_VOIDMETHOD_DEFINE( cairo_stroke_preserve, |
| 134 | (cairo_t *cr), (cr) ) |
| 135 | wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_surface_create_similar, |
| 136 | (cairo_surface_t *other, cairo_content_t content, int width, int height), (other, content, width, height), NULL) |
| 137 | wxDL_VOIDMETHOD_DEFINE( cairo_surface_destroy, |
| 138 | (cairo_surface_t *surface), (surface) ) |
| 139 | wxDL_VOIDMETHOD_DEFINE( cairo_translate, |
| 140 | (cairo_t *cr, double tx, double ty), (cr, tx, ty) ) |
| 141 | |
| 142 | wxDL_VOIDMETHOD_DEFINE( pango_cairo_update_layout, |
| 143 | (cairo_t *cr, PangoLayout *layout), (cr, layout) ) |
| 144 | wxDL_VOIDMETHOD_DEFINE( pango_cairo_show_layout, |
| 145 | (cairo_t *cr, PangoLayout *layout), (cr, layout) ) |
| 146 | |
| 147 | DECLARE_NO_COPY_CLASS(wxCairoLibrary) |
| 148 | }; |
| 149 | |
| 150 | #endif // wxUSE_CAIRO |
| 151 | |
| 152 | #endif // _WX_CAIRO_H_BASE_ |