1997-11-25 06:05:25 +08:00
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/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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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1998-04-13 13:44:11 +08:00
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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1997-11-25 06:05:25 +08:00
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*/
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#ifndef __DRAW_CORE_H__
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#define __DRAW_CORE_H__
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#include "tools.h"
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/* drawing states */
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#define INVISIBLE 0
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#define VISIBLE 1
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/* Structure definitions */
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typedef struct _draw_core DrawCore;
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typedef void (* DrawCoreDraw) (Tool *);
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struct _draw_core
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{
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GdkGC * gc; /* Grahpics context for drawing functions */
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GdkWindow * win; /* Window to draw draw operation to */
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int draw_state; /* Current state in the drawing process */
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int line_width; /**/
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int line_style; /**/
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int cap_style; /* line attributes */
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int join_style; /**/
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int paused_count; /* count to keep track of multiple pauses */
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gpointer data; /* data to pass to draw_func */
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DrawCoreDraw draw_func; /* Member function for actual drawing */
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};
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/* draw core functions */
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DrawCore * draw_core_new (DrawCoreDraw);
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void draw_core_start (DrawCore *, GdkWindow *, Tool *);
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void draw_core_stop (DrawCore *, Tool *);
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void draw_core_pause (DrawCore *, Tool *);
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void draw_core_resume (DrawCore *, Tool *);
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void draw_core_free (DrawCore *);
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#endif /* __DRAW_CORE_H__ */
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