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Diffstat (limited to 'ksvg/impl/libs/libtext2path/src/BezierPath.h')
-rw-r--r-- | ksvg/impl/libs/libtext2path/src/BezierPath.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/ksvg/impl/libs/libtext2path/src/BezierPath.h b/ksvg/impl/libs/libtext2path/src/BezierPath.h new file mode 100644 index 00000000..1c357abd --- /dev/null +++ b/ksvg/impl/libs/libtext2path/src/BezierPath.h @@ -0,0 +1,56 @@ +/* + Copyright (C) 2003 Nikolas Zimmermann <[email protected]> + This file is part of the KDE project + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + aint with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifndef T2P_BEZIERPATH_H +#define T2P_BEZIERPATH_H + +#include <list> + +namespace T2P +{ + class Point; + class BezierPath + { + public: + BezierPath() { } + virtual ~BezierPath() { } + + /** + * Calculates the arclength from p0 to the point parametrized by 0 <= t <= 1. + */ + virtual double length(double t = 1.0) = 0; + + /** + * Calculates the point, the tangent vector and the normal vector for + * 0 <= t <= 1. The tangent vector and the normal vector are + * normalized (length=1). + */ + virtual void pointTangentNormalAt(double t, Point *p = 0, Point *tn = 0, Point *n = 0) = 0; + + /** + * Calculates the axis-aligned bounding box. + */ + virtual void boundingBox(Point *topLeft, Point *bottomRight) = 0; + }; +} + +#endif + +// vim:ts=4:noet |