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[wxWidgets.git] / include / wx / cairo.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/cairo.h
// Purpose:     Cairo library
// Author:      Anthony Bretaudeau
// Created:     2007-08-25
// RCS-ID:      $Id: cairo.h 47254 2007-08-25 10:09:52Z VS $
// Copyright:   (c) Anthony Bretaudeau
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_CAIRO_H_BASE_
#define _WX_CAIRO_H_BASE_

// for now GTK+ only
#ifndef wxUSE_CAIRO
    #ifdef __WXGTK210__
        #define wxUSE_CAIRO 1
    #else
        #define wxUSE_CAIRO 0
    #endif
#endif

#if wxUSE_CAIRO

#include "wx/dynlib.h"
#include <cairo.h>


class wxCairoLibrary
{
public:
    // return the pointer to the global instance of this class or NULL if we
    // failed to load/initialize it
    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();
    bool InitializeMethods();

    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_t *cr, double xc, double yc, double radius, double angle1, double angle2), (cr, xc, yc, radius, angle1, angle2) )
    wxDL_VOIDMETHOD_DEFINE( cairo_arc_negative,
        (cairo_t *cr, double xc, double yc, double radius, double angle1, double angle2), (cr, xc, yc, radius, angle1, angle2) )
    wxDL_VOIDMETHOD_DEFINE( cairo_clip,
        (cairo_t *cr), (cr) )
    wxDL_VOIDMETHOD_DEFINE( cairo_close_path,
        (cairo_t *cr), (cr) )
    wxDL_METHOD_DEFINE( cairo_t*, cairo_create,
        (cairo_surface_t *target), (target), NULL)
    wxDL_VOIDMETHOD_DEFINE( cairo_curve_to,
        (cairo_t *cr, double x1, double y1, double x2, double y2, double x3, double y3), (cr, x1, y1, x2, y2, x3, y3) )
    wxDL_VOIDMETHOD_DEFINE( cairo_destroy,
        (cairo_t *cr), (cr) )
    wxDL_VOIDMETHOD_DEFINE( cairo_fill,
        (cairo_t *cr), (cr) )
    wxDL_VOIDMETHOD_DEFINE( cairo_fill_preserve,
        (cairo_t *cr), (cr) )
    wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_get_target,
        (cairo_t *cr), (cr), NULL)
    wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_image_surface_create_for_data,
        (unsigned char *data, cairo_format_t format, int width, int height, int stride), (data, format, width, height, stride), NULL)
    wxDL_VOIDMETHOD_DEFINE( cairo_line_to,
        (cairo_t *cr, double x, double y), (cr, x, y) )
    wxDL_VOIDMETHOD_DEFINE( cairo_move_to,
        (cairo_t *cr, double x, double y), (cr, x, y) )
    wxDL_VOIDMETHOD_DEFINE( cairo_new_path,
        (cairo_t *cr), (cr) )
    wxDL_VOIDMETHOD_DEFINE( cairo_paint,
        (cairo_t *cr), (cr) )
    wxDL_VOIDMETHOD_DEFINE( cairo_pattern_add_color_stop_rgba,
        (cairo_pattern_t *pattern, double offset, double red, double green, double blue, double alpha), (pattern, offset, red, green, blue, alpha) )
    wxDL_METHOD_DEFINE( cairo_pattern_t*, cairo_pattern_create_for_surface,
        (cairo_surface_t *surface), (surface), NULL)
    wxDL_METHOD_DEFINE( cairo_pattern_t*, cairo_pattern_create_linear,
        (double x0, double y0, double x1, double y1), (x0, y0, x1, y1), NULL)
    wxDL_METHOD_DEFINE( cairo_pattern_t*, cairo_pattern_create_radial,
        (double cx0, double cy0, double radius0, double cx1, double cy1, double radius1), (cx0, cy0, radius0, cx1, cy1, radius1), NULL)
    wxDL_VOIDMETHOD_DEFINE( cairo_pattern_destroy,
        (cairo_pattern_t *pattern), (pattern) )
    wxDL_VOIDMETHOD_DEFINE( cairo_pattern_set_extend,
        (cairo_pattern_t *pattern, cairo_extend_t extend), (pattern, extend) )
    wxDL_VOIDMETHOD_DEFINE( cairo_pattern_set_filter,
        (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_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,
        (cairo_t *cr), (cr) )
    wxDL_METHOD_DEFINE( cairo_surface_t*, cairo_surface_create_similar,
        (cairo_surface_t *other, cairo_content_t content, int width, int height), (other, content, width, height), NULL)
    wxDL_VOIDMETHOD_DEFINE( cairo_surface_destroy,
        (cairo_surface_t *surface), (surface) )
    wxDL_VOIDMETHOD_DEFINE( cairo_translate,
        (cairo_t *cr, double tx, double ty), (cr, tx, ty) )

    wxDL_VOIDMETHOD_DEFINE( pango_cairo_update_layout,
        (cairo_t *cr, PangoLayout *layout), (cr, layout) )
    wxDL_VOIDMETHOD_DEFINE( pango_cairo_show_layout,
        (cairo_t *cr, PangoLayout *layout), (cr, layout) )

    DECLARE_NO_COPY_CLASS(wxCairoLibrary)
};

#endif // wxUSE_CAIRO

#endif // _WX_CAIRO_H_BASE_