mirror of https://github.com/GNOME/gimp.git
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* 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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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_INK_TOOL_H__
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#define __GIMP_INK_TOOL_H__
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#include "gimptool.h"
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#include "gimpinktool-blob.h" /* only used by ink */
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#define DIST_SMOOTHER_BUFFER 10
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#define TIME_SMOOTHER_BUFFER 10
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#define GIMP_TYPE_INK_TOOL (gimp_ink_tool_get_type ())
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#define GIMP_INK_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_INK_TOOL, GimpInkTool))
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#define GIMP_INK_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_INK_TOOL, GimpInkToolClass))
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#define GIMP_IS_INK_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_INK_TOOL))
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#define GIMP_IS_INK_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_INK_TOOL))
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#define GIMP_INK_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_INK_TOOL, GimpInkToolClass))
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typedef struct _GimpInkTool GimpInkTool;
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typedef struct _GimpInkToolClass GimpInkToolClass;
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struct _GimpInkTool
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{
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GimpTool parent_instance;
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Blob *last_blob; /* blob for last cursor position */
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gint x1, y1; /* image space coordinate */
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gint x2, y2; /* image space coords */
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/* circular distance history buffer */
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gdouble dt_buffer[DIST_SMOOTHER_BUFFER];
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gint dt_index;
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/* circular timing history buffer */
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guint32 ts_buffer[TIME_SMOOTHER_BUFFER];
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gint ts_index;
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gdouble last_time; /* previous time of a motion event */
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gdouble lastx, lasty; /* previous position of a motion event */
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gboolean init_velocity;
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};
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struct _GimpInkToolClass
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{
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GimpToolClass parent_class;
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};
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void gimp_ink_tool_register (Gimp *gimp);
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GType gimp_ink_tool_get_type (void);
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#endif /* __GIMP_INK_TOOL_H__ */
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