mirror of https://github.com/GNOME/gimp.git
110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
/*
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This is a plug-in for the GIMP.
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*
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* Generates images containing vector type drawings.
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*
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* Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GFIG_DOBJECT_H__
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#define __GFIG_DOBJECT_H__
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struct Dobject; /* fwd declaration for DobjFunc */
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typedef void (*DobjFunc) (struct Dobject *);
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typedef struct Dobject *(*DobjGenFunc) (struct Dobject *);
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typedef struct Dobject *(*DobjLoadFunc) (FILE *);
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typedef void (*DobjSaveFunc) (struct Dobject *, FILE *);
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typedef enum
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{
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LINE,
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CIRCLE,
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ELLIPSE,
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ARC,
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POLY,
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STAR,
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SPIRAL,
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BEZIER,
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MOVE_OBJ,
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MOVE_POINT,
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COPY_OBJ,
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MOVE_COPY_OBJ,
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DEL_OBJ,
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NULL_OPER
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} DobjType;
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typedef struct DobjPoints
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{
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struct DobjPoints *next;
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GdkPoint pnt;
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gint found_me;
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} DobjPoints;
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/* The object itself */
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typedef struct Dobject
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{
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DobjType type; /* What is the type? */
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gint type_data; /* Extra data needed by the object */
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DobjPoints *points; /* List of points */
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DobjFunc drawfunc; /* How do I draw myself */
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DobjFunc paintfunc; /* Draw me on canvas */
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DobjGenFunc copyfunc; /* copy */
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DobjLoadFunc loadfunc; /* Load this type of object */
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DobjSaveFunc savefunc; /* Save me out */
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} Dobject;
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typedef struct DAllObjs
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{
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struct DAllObjs *next;
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Dobject *obj; /* Object on list */
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} DAllObjs;
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/* States of the object */
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#define GFIG_OK 0x0
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#define GFIG_MODIFIED 0x1
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#define GFIG_READONLY 0x2
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extern Dobject *obj_creating;
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void d_pnt_add_line (Dobject *obj,
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gint x,
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gint y,
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gint pos);
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DobjPoints *new_dobjpoint (gint x, gint y);
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void do_save_obj (Dobject *obj, FILE *to);
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DobjPoints *d_copy_dobjpoints (DobjPoints * pnts);
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void free_one_obj (Dobject *obj);
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void d_delete_dobjpoints (DobjPoints * pnts);
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void object_update (GdkPoint *pnt);
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DAllObjs *copy_all_objs (DAllObjs *objs);
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void draw_objects (DAllObjs *objs, gint show_single);
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void object_start (GdkPoint *pnt, gint);
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void object_operation (GdkPoint *pnt, gint);
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void object_operation_start (GdkPoint *pnt, gint shift_down);
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void object_operation_end (GdkPoint *pnt, gint);
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void object_end (GdkPoint *pnt, gint shift_down);
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#endif /* __GFIG_DOBJECT_H__ */
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