adg/adg-style.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009 Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20
  21 #ifndef __ADG_STYLE_H__
  22 #define __ADG_STYLE_H__
  23
  24 #include <adg/adg-pattern.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29
  30 #define ADG_TYPE_STYLE             (adg_style_get_type())
  31 #define ADG_STYLE(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_STYLE, AdgStyle))
  32 #define ADG_STYLE_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), ADG_TYPE_STYLE, AdgStyleClass))
  33 #define ADG_IS_STYLE(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_STYLE))
  34 #define ADG_IS_STYLE_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), ADG_TYPE_STYLE))
  35 #define ADG_STYLE_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ADG_TYPE_STYLE, AdgStyleClass))
  36
  37 typedef struct _AdgStyle        AdgStyle;
  38 typedef struct _AdgStyleClass   AdgStyleClass;
  39 typedef gint                    AdgStyleId;
  40 typedef gint                    AdgStyleSlot;
  41
  42 struct _AdgStyle {
  43     /*< private >*/
  44     GObject              parent;
  45     gpointer             data;
  46 };
  47
  48 struct _AdgStyleClass {
  49     /*< private >*/
  50     GObjectClass         parent_class;
  51     /*< public >*/
  52     /* Virtual table */
  53     GPtrArray *         (*get_pool)             (void);
  54     void                (*apply)                (AdgStyle       *style,
  55                                                  cairo_t        *cr);
  56 };
  57
  58 GType                   adg_style_get_type      (void) G_GNUC_CONST;
  59 AdgStyleId              adg_style_register_id   (AdgStyle       *style);
  60 AdgStyle *              adg_style_from_id       (GType           type,
  61                                                  AdgStyleId      id);
  62 AdgStyle *              adg_style_get_default   (AdgStyleClass  *klass);
  63
  64 void                    adg_style_apply         (AdgStyle       *style,
  65                                                  cairo_t        *cr);
  66 const AdgPattern *      adg_style_get_pattern   (AdgStyle       *style);
  67 void                    adg_style_set_pattern   (AdgStyle       *style,
  68                                                  AdgPattern     *pattern);
  69
  70
  71 G_END_DECLS
  72
  73
  74 #endif /* __ADG_STYLE_H__ */