// Purpose: Cairo library
// Author: Anthony Bretaudeau
// Created: 2007-08-25
-// RCS-ID: $Id: cairo.h 47254 2007-08-25 10:09:52Z VS $
+// RCS-ID: $Id$
// Copyright: (c) Anthony Bretaudeau
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CAIRO_H_BASE_
#define _WX_CAIRO_H_BASE_
- // for now GTK+ only
-#ifdef __WXGTK210__
- #define wxUSE_CAIRO 1
-#endif
-
#if wxUSE_CAIRO
#include "wx/dynlib.h"
class wxCairoLibrary
{
public:
- wxCairoLibrary();
- ~wxCairoLibrary();
+ // return the pointer to the global instance of this class or NULL if we
+ // failed to load/initialize it
+ static wxCairoLibrary *Get();
+
- static wxCairoLibrary* Get();
+ // for internal use only
static void CleanUp();
+private:
+ // the single wxCairoLibrary instance or NULL
+ static wxCairoLibrary *ms_lib;
+
+ wxCairoLibrary();
+ ~wxCairoLibrary();
+
bool IsOk();
- void InitializeMethods();
+ bool InitializeMethods();
-private:
- bool m_ok;
- wxDynamicLibrary *m_cairo_lib;
- wxDynamicLibrary *m_pango_cairo_lib;
-
- static wxCairoLibrary *s_lib;
+ wxDynamicLibrary m_libCairo;
+ wxDynamicLibrary m_libPangoCairo;
+
+ // true if we successfully loaded the libraries and can use them
+ //
+ // note that this field must have this name as it's used by wxDL_XXX macros
+ bool m_ok;
public:
wxDL_VOIDMETHOD_DEFINE( cairo_arc,
(cairo_pattern_t *pattern, cairo_filter_t filter), (pattern, filter) )
wxDL_VOIDMETHOD_DEFINE( cairo_rectangle,
(cairo_t *cr, double x, double y, double width, double height), (cr, x, y, width, height) )
- wxDL_METHOD_DEFINE( void, cairo_reset_clip,
- (cairo_t *cr), (cr), /**/)
- wxDL_METHOD_DEFINE( void, cairo_restore,
- (cairo_t *cr), (cr), /**/)
- wxDL_METHOD_DEFINE( void, cairo_rotate,
- (cairo_t *cr, double angle), (cr, angle), /**/)
- wxDL_METHOD_DEFINE( void, cairo_save,
- (cairo_t *cr), (cr), /**/)
- wxDL_METHOD_DEFINE( void, cairo_scale,
- (cairo_t *cr, double sx, double sy), (cr, sx, sy), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_dash,
- (cairo_t *cr, const double *dashes, int num_dashes, double offset), (cr, dashes, num_dashes, offset), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_fill_rule,
- (cairo_t *cr, cairo_fill_rule_t fill_rule), (cr, fill_rule), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_line_cap,
- (cairo_t *cr, cairo_line_cap_t line_cap), (cr, line_cap), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_line_join,
- (cairo_t *cr, cairo_line_join_t line_join), (cr, line_join), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_line_width,
- (cairo_t *cr, double width), (cr, width), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_operator,
- (cairo_t *cr, cairo_operator_t op), (cr, op), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_source,
- (cairo_t *cr, cairo_pattern_t *source), (cr, source), /**/)
- wxDL_METHOD_DEFINE( void, cairo_set_source_rgba,
- (cairo_t *cr, double red, double green, double blue, double alpha), (cr, red, green, blue, alpha), /**/)
+ wxDL_METHOD_DEFINE( cairo_t*, cairo_reference,
+ (cairo_t *cr), (cr), NULL )
+ wxDL_VOIDMETHOD_DEFINE( cairo_reset_clip,
+ (cairo_t *cr), (cr) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_restore,
+ (cairo_t *cr), (cr) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_rotate,
+ (cairo_t *cr, double angle), (cr, angle) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_save,
+ (cairo_t *cr), (cr) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_scale,
+ (cairo_t *cr, double sx, double sy), (cr, sx, sy) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_dash,
+ (cairo_t *cr, const double *dashes, int num_dashes, double offset), (cr, dashes, num_dashes, offset) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_fill_rule,
+ (cairo_t *cr, cairo_fill_rule_t fill_rule), (cr, fill_rule) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_line_cap,
+ (cairo_t *cr, cairo_line_cap_t line_cap), (cr, line_cap) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_line_join,
+ (cairo_t *cr, cairo_line_join_t line_join), (cr, line_join) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_line_width,
+ (cairo_t *cr, double width), (cr, width) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_operator,
+ (cairo_t *cr, cairo_operator_t op), (cr, op) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_source,
+ (cairo_t *cr, cairo_pattern_t *source), (cr, source) )
+ wxDL_VOIDMETHOD_DEFINE( cairo_set_source_rgba,
+ (cairo_t *cr, double red, double green, double blue, double alpha), (cr, red, green, blue, alpha) )
wxDL_VOIDMETHOD_DEFINE( cairo_stroke,
(cairo_t *cr), (cr) )
wxDL_VOIDMETHOD_DEFINE( cairo_stroke_preserve,
wxDL_VOIDMETHOD_DEFINE( pango_cairo_show_layout,
(cairo_t *cr, PangoLayout *layout), (cr, layout) )
- DECLARE_NO_COPY_CLASS(wxCairoLibrary)
+ wxDECLARE_NO_COPY_CLASS(wxCairoLibrary);
};
-#endif
- // wxUSE_CAIRO
+#endif // wxUSE_CAIRO
-#endif
- // _WX_CAIRO_H_BASE_
+#endif // _WX_CAIRO_H_BASE_