adg/adg-entity.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2008, 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 Library 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  * Library 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., 59 Temple Place - Suite 330,
  17  * Boston, MA  02111-1307, USA.
  18  */
  19
  20
  21 #ifndef __ADG_ENTITY_H__
  22 #define __ADG_ENTITY_H__
  23
  24 #include <adg/adg-matrix.h>
  25 #include <adg/adg-line-style.h>
  26 #include <adg/adg-font-style.h>
  27 #include <adg/adg-arrow-style.h>
  28 #include <adg/adg-dim-style.h>
  29
  30
  31 G_BEGIN_DECLS
  32
  33
  34 /* Forward declarations */
  35 typedef struct _AdgCanvas       AdgCanvas;
  36
  37
  38 #define ADG_TYPE_ENTITY             (adg_entity_get_type ())
  39 #define ADG_ENTITY(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), ADG_TYPE_ENTITY, AdgEntity))
  40 #define ADG_ENTITY_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), ADG_TYPE_ENTITY, AdgEntityClass))
  41 #define ADG_IS_ENTITY(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ADG_TYPE_ENTITY))
  42 #define ADG_IS_ENTITY_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), ADG_TYPE_ENTITY))
  43 #define ADG_ENTITY_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), ADG_TYPE_ENTITY, AdgEntityClass))
  44
  45
  46 typedef struct _AdgEntity        AdgEntity;
  47 typedef struct _AdgEntityClass   AdgEntityClass;
  48 typedef struct _AdgEntityPrivate AdgEntityPrivate;
  49
  50
  51 struct _AdgEntity
  52 {
  53   GInitiallyUnowned      initially_unowned;
  54
  55   /*< private >*/
  56   AdgEntityPrivate      *priv;
  57 };
  58
  59 struct _AdgEntityClass
  60 {
  61   GInitiallyUnownedClass parent_class;
  62
  63   /* Signals */
  64   void                  (*model_matrix_changed)         (AdgEntity      *entity,
  65                                                          AdgMatrix      *parent_matrix);
  66   void                  (*paper_matrix_changed)         (AdgEntity      *entity,
  67                                                          AdgMatrix      *parent_matrix);
  68   void                  (*render)                       (AdgEntity      *entity,
  69                                                          cairo_t        *cr);
  70
  71   /* Virtual Table */
  72   const AdgLineStyle *  (*get_line_style)               (AdgEntity      *entity);
  73   void                  (*set_line_style)               (AdgEntity      *entity,
  74                                                          AdgLineStyle   *line_style);
  75   const AdgFontStyle *  (*get_font_style)               (AdgEntity      *entity);
  76   void                  (*set_font_style)               (AdgEntity      *entity,
  77                                                          AdgFontStyle   *font_style);
  78   const AdgArrowStyle * (*get_arrow_style)              (AdgEntity      *entity);
  79   void                  (*set_arrow_style)              (AdgEntity      *entity,
  80                                                          AdgArrowStyle  *arrow_style);
  81   const AdgDimStyle *   (*get_dim_style)                (AdgEntity      *entity);
  82   void                  (*set_dim_style)                (AdgEntity      *entity,
  83                                                          AdgDimStyle    *dim_style);
  84   const AdgMatrix *     (*get_model_matrix)             (AdgEntity      *entity);
  85   const AdgMatrix *     (*get_paper_matrix)             (AdgEntity      *entity);
  86 };
  87
  88
  89 #define ADG_CALLBACK(f)             ((AdgCallback) (f))
  90
  91
  92 typedef void (*AdgCallback) (AdgEntity *entity, gpointer user_data);
  93
  94
  95 GType                   adg_entity_get_type             (void) G_GNUC_CONST;
  96 AdgCanvas *             adg_entity_get_canvas           (AdgEntity      *entity);
  97 const AdgMatrix *       adg_entity_get_model_matrix     (AdgEntity      *entity);
  98 const AdgMatrix *       adg_entity_get_paper_matrix     (AdgEntity      *entity);
  99 void                    adg_entity_model_matrix_changed (AdgEntity      *entity,
 100                                                          const AdgMatrix*parent_matrix);
 101 void                    adg_entity_paper_matrix_changed (AdgEntity      *entity,
 102                                                          const AdgMatrix*parent_matrix);
 103 const AdgLineStyle *    adg_entity_get_line_style       (AdgEntity      *entity);
 104 void                    adg_entity_set_line_style       (AdgEntity      *entity,
 105                                                          AdgLineStyle   *line_style);
 106 const AdgFontStyle *    adg_entity_get_font_style       (AdgEntity      *entity);
 107 void                    adg_entity_set_font_style       (AdgEntity      *entity,
 108                                                          AdgFontStyle   *font_style);
 109 const AdgArrowStyle *   adg_entity_get_arrow_style      (AdgEntity      *entity);
 110 void                    adg_entity_set_arrow_style      (AdgEntity      *entity,
 111                                                          AdgArrowStyle  *arrow_style);
 112 const AdgDimStyle *     adg_entity_get_dim_style        (AdgEntity      *entity);
 113 void                    adg_entity_set_dim_style        (AdgEntity      *entity,
 114                                                          AdgDimStyle    *dim_style);
 115 gboolean                adg_entity_model_matrix_applied (AdgEntity      *entity);
 116 gboolean                adg_entity_paper_matrix_applied (AdgEntity      *entity);
 117 gboolean                adg_entity_model_applied        (AdgEntity      *entity);
 118 void                    adg_entity_render               (AdgEntity      *entity,
 119                                                          cairo_t        *cr);
 120
 121
 122 G_END_DECLS
 123
 124
 125 #endif /* __ADG_ENTITY_H__ */