src/adg/adg-entity.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2021  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 #if !defined(__ADG_H__)
  22 #error "Only <adg.h> can be included directly."
  23 #endif
  24
  25
  26 #ifndef __ADG_ENTITY_H__
  27 #define __ADG_ENTITY_H__
  28
  29
  30 G_BEGIN_DECLS
  31
  32 #define ADG_TYPE_ENTITY             (adg_entity_get_type())
  33 #define ADG_ENTITY(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_ENTITY, AdgEntity))
  34 #define ADG_ENTITY_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), ADG_TYPE_ENTITY, AdgEntityClass))
  35 #define ADG_IS_ENTITY(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_ENTITY))
  36 #define ADG_IS_ENTITY_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), ADG_TYPE_ENTITY))
  37 #define ADG_ENTITY_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ADG_TYPE_ENTITY, AdgEntityClass))
  38
  39
  40 typedef struct _AdgEntity       AdgEntity;
  41 typedef struct _AdgEntityClass  AdgEntityClass;
  42
  43 struct _AdgEntity {
  44     /*< private >*/
  45     GInitiallyUnowned   parent;
  46 };
  47
  48 struct _AdgEntityClass {
  49     /*< private >*/
  50     GInitiallyUnownedClass
  51                         parent_class;
  52     /*< public >*/
  53     /* Signals */
  54     void                (*destroy)              (AdgEntity       *entity);
  55     void                (*parent_set)           (AdgEntity       *entity,
  56                                                  AdgEntity       *old_parent);
  57     void                (*global_changed)       (AdgEntity       *entity);
  58     void                (*local_changed)        (AdgEntity       *entity);
  59     void                (*invalidate)           (AdgEntity       *entity);
  60     void                (*arrange)              (AdgEntity       *entity);
  61     void                (*render)               (AdgEntity       *entity,
  62                                                  cairo_t         *cr);
  63 };
  64
  65
  66 void            adg_switch_extents              (gboolean         state);
  67
  68 GType           adg_entity_get_type             (void);
  69 void            adg_entity_destroy              (AdgEntity       *entity);
  70 void            adg_entity_switch_floating      (AdgEntity       *entity,
  71                                                  gboolean         new_state);
  72 gboolean        adg_entity_has_floating         (AdgEntity       *entity);
  73 AdgCanvas *     adg_entity_get_canvas           (AdgEntity       *entity);
  74 void            adg_entity_set_parent           (AdgEntity       *entity,
  75                                                  AdgEntity       *parent);
  76 AdgEntity *     adg_entity_get_parent           (AdgEntity       *entity);
  77 void            adg_entity_set_global_map       (AdgEntity       *entity,
  78                                                  const cairo_matrix_t *map);
  79 void            adg_entity_transform_global_map (AdgEntity       *entity,
  80                                                  const cairo_matrix_t *transformation,
  81                                                  AdgTransformMode mode);
  82 const cairo_matrix_t *
  83                 adg_entity_get_global_map       (AdgEntity       *entity);
  84 const cairo_matrix_t *
  85                 adg_entity_get_global_matrix    (AdgEntity       *entity);
  86 void            adg_entity_set_local_map        (AdgEntity       *entity,
  87                                                  const cairo_matrix_t *map);
  88 void            adg_entity_transform_local_map  (AdgEntity       *entity,
  89                                                  const cairo_matrix_t *transformation,
  90                                                  AdgTransformMode mode);
  91 const cairo_matrix_t *
  92                 adg_entity_get_local_map        (AdgEntity       *entity);
  93 const cairo_matrix_t *
  94                 adg_entity_get_local_matrix     (AdgEntity       *entity);
  95 void            adg_entity_set_local_mix        (AdgEntity       *entity,
  96                                                  AdgMix           local_mix);
  97 AdgMix          adg_entity_get_local_mix        (AdgEntity       *entity);
  98 void            adg_entity_set_extents          (AdgEntity       *entity,
  99                                                  const CpmlExtents *extents);
 100 const CpmlExtents *
 101                 adg_entity_get_extents          (AdgEntity       *entity);
 102 void            adg_entity_set_style            (AdgEntity       *entity,
 103                                                  AdgDress         dress,
 104                                                  AdgStyle        *style);
 105 AdgStyle *      adg_entity_get_style            (AdgEntity       *entity,
 106                                                  AdgDress         dress);
 107 AdgStyle *      adg_entity_style                (AdgEntity       *entity,
 108                                                  AdgDress         dress);
 109 void            adg_entity_apply_dress          (AdgEntity       *entity,
 110                                                  AdgDress         dress,
 111                                                  cairo_t         *cr);
 112 void            adg_entity_global_changed       (AdgEntity       *entity);
 113 void            adg_entity_local_changed        (AdgEntity       *entity);
 114 void            adg_entity_invalidate           (AdgEntity       *entity);
 115 void            adg_entity_arrange              (AdgEntity       *entity);
 116 void            adg_entity_render               (AdgEntity       *entity,
 117                                                  cairo_t         *cr);
 118 AdgPoint *      adg_entity_point                (AdgEntity       *entity,
 119                                                  AdgPoint        *point,
 120                                                  const AdgPoint  *new_point);
 121
 122 G_END_DECLS
 123
 124
 125 #endif /* __ADG_ENTITY_H__ */