/* * Authored By Tomas Frydrych * * Copyright (C) 2006, 2007 OpenedHand * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #pragma once #include G_BEGIN_DECLS /* This is used in meta_bezier_advance to represent the full length of the bezier curve. Anything less than that represents a fraction of the length */ #define META_BEZIER_MAX_LENGTH (1 << 18) typedef struct _MetaBezier MetaBezier; typedef struct _MetaBezierKnot MetaBezierKnot; struct _MetaBezierKnot { gint x; gint y; }; MetaBezier *meta_bezier_new (void); void meta_bezier_free (MetaBezier *b); void meta_bezier_advance (const MetaBezier *b, gint L, MetaBezierKnot *knot); void meta_bezier_init (MetaBezier *b, gint x_0, gint y_0, gint x_1, gint y_1, gint x_2, gint y_2, gint x_3, gint y_3); guint meta_bezier_get_length (const MetaBezier *b); G_DEFINE_AUTOPTR_CLEANUP_FUNC (MetaBezier, meta_bezier_free); G_END_DECLS