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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for GIMP.
*
* Generates images containing vector type drawings.
*
* Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __GFIG_DOBJECT_H__
#define __GFIG_DOBJECT_H__
#include "gfig-types.h"
#include "gfig-style.h"
typedef void (*DobjDrawFunc) (GfigObject *, cairo_t *);
typedef void (*DobjFunc) (GfigObject *);
typedef GfigObject *(*DobjGenFunc) (GfigObject *);
typedef struct DobjPoints
{
struct DobjPoints *next;
GdkPoint pnt;
gboolean found_me;
} DobjPoints;
typedef struct
{
DobjType type; /* the object type for this class */
const gchar *name;
/* virtuals */
DobjDrawFunc drawfunc; /* How do I draw myself */
DobjFunc paintfunc; /* Draw me on canvas */
DobjGenFunc copyfunc; /* copy */
void (*update) (GdkPoint *pnt);
} GfigObjectClass;
extern GfigObjectClass dobj_class[10];
/* The object itself */
struct _GfigObject
{
DobjType type; /* What is the type? */
GfigObjectClass *class; /* What class does it belong to? */
gint type_data; /* Extra data needed by the object */
DobjPoints *points; /* List of points */
Style style; /* this object's individual style settings */
gint style_no; /* style index of this specific object */
};
/* States of the object */
#define GFIG_OK 0x0
#define GFIG_MODIFIED 0x1
#define GFIG_READONLY 0x2
extern GfigObject *obj_creating;
extern GfigObject *tmp_line;
DobjPoints *new_dobjpoint (gint x,
gint y);
void do_save_obj (GfigObject *obj,
GString *to);
DobjPoints *d_copy_dobjpoints (DobjPoints *pnts);
void free_one_obj (GfigObject *obj);
void d_delete_dobjpoints (DobjPoints *pnts);
void object_update (GdkPoint *pnt);
GList *copy_all_objs (GList *objs);
void draw_objects (GList *objs,
gboolean show_single,
cairo_t *cr);
GfigObject *d_load_object (gchar *desc,
FILE *fp);
GfigObject *d_new_object (DobjType type,
gint x,
gint y);
void d_save_object (GfigObject *obj,
GString *string);
void free_all_objs (GList *objs);
void clear_undo (void);
void new_obj_2edit (GFigObj *obj);
void gfig_init_object_classes (void);
void d_pnt_add_line (GfigObject *obj,
gint x,
gint y,
gint pos);
#endif /* __GFIG_DOBJECT_H__ */
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