mirror of https://github.com/GNOME/gimp.git
120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
/* The GIMP -- an image manipulation program
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*
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* This file Copyright (C) 1999 Simon Budig
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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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/*
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* This function is to get a set of npoints different coordinates for
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* the range from start to end (each in the range from 0 to 1 and
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* start < end.
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* returns the number of created coords. Make sure that the points-
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* Array is allocated.
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*/
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#ifndef __PATH_BEZIER_H__
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#define __PATH_BEZIER_H__
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#include <gdk/gdk.h>
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#include <glib.h>
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#include "path_toolP.h"
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typedef struct
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{
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gdouble x1;
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gdouble y1;
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gdouble x2;
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gdouble y2;
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} PathBezierData;
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guint
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path_bezier_get_points (PathTool *path_tool,
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PathSegment *segment,
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GdkPoint *points,
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guint npoints,
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gdouble start,
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gdouble end);
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void
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path_bezier_get_point (PathTool *path_tool,
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PathSegment *segment,
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gdouble position,
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gdouble *x,
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gdouble *y);
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void
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path_bezier_draw_handles (Tool *tool,
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PathSegment *segment);
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void
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path_bezier_draw_segment (Tool *tool,
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PathSegment *segment);
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gdouble
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path_bezier_on_segment (Tool *tool,
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PathSegment *segment,
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gint x,
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gint y,
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gint halfwidth,
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gint *distance);
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void
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path_bezier_drag_segment (PathTool *path_tool,
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PathSegment *segment,
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gdouble position,
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gdouble dx,
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gdouble dy);
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gint
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path_bezier_on_handles (PathTool *path_tool,
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PathSegment *segment,
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gdouble x,
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gdouble y,
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gdouble halfwidth);
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void
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path_bezier_drag_handles (PathTool *path_tool,
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PathSegment *segment,
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gdouble dx,
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gdouble dy,
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gint handle_id);
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PathSegment *
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path_bezier_insert_anchor (PathTool *path_tool,
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PathSegment *segment,
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gdouble position);
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void
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path_bezier_update_segment (PathTool *path_tool,
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PathSegment *segment);
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void
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path_bezier_flip_segment (PathSegment *segment);
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void
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path_bezier_init_segment (PathSegment *segment);
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void
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path_bezier_cleanup_segment (PathSegment *segment);
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#endif /* __PATH_BEZIER_H__ */
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