X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fbezier.hh;h=681c8c1816450f23bd4b075dbc8551a1ee0b848e;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=60d175a9762106e3876cdfe924a95ec8ffd7a05c;hpb=f2c2c5c43858f323e4708f83fd97e0f38017c275;p=lilypond.git diff --git a/lily/include/bezier.hh b/lily/include/bezier.hh index 60d175a976..681c8c1816 100644 --- a/lily/include/bezier.hh +++ b/lily/include/bezier.hh @@ -1,7 +1,20 @@ /* - bezier.hh -- declare Bezier and Bezier_bow + This file is part of LilyPond, the GNU music typesetter. - (c) 1998--2005 Jan Nieuwenhuizen + Copyright (C) 1998--2015 Jan Nieuwenhuizen + + LilyPond is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + LilyPond 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . */ #ifndef BEZIER_HH @@ -22,31 +35,38 @@ public: void reverse (); void rotate (Real); void translate (Offset); + void subdivide (Real, Bezier *, Bezier *) const; + Bezier extract (Real, Real) const; Real get_other_coordinate (Axis a, Real x) const; - Array solve_point (Axis, Real coordinate) const; - Array solve_derivative (Offset) const; - Interval extent (Axis)const; + vector get_other_coordinates (Axis a, Real x) const; + vector solve_point (Axis, Real coordinate) const; + Real minmax (Axis, Real, Real, Direction) const; + vector solve_derivative (Offset) const; + Interval extent (Axis) const; + Interval control_point_extent (Axis) const; + Polynomial polynomial (Axis)const; Offset curve_point (Real t) const; + Real slope_at_point (Real t) const; Real curve_coordinate (Real t, Axis) const; static const int CONTROL_COUNT = 4; /* Bezier curves always have 4 control points. Making this into an - Array<> gives unnecessary overhead, and makes debugging a royal + vector<> gives unnecessary overhead, and makes debugging a royal pain. */ Offset control_[4]; }; -void scale (Array *array, Real xscale, Real yscale); -void rotate (Array *array, Real phi); -void translate (Array *array, Offset o); +void scale (vector *array, Real xscale, Real yscale); +void rotate (vector *array, Real phi); +void translate (vector *array, Offset o); Bezier slur_shape (Real width, Real height_limit, - Real height_proportion); + Real height_proportion); Real slur_height (Real width, Real height_limit, Real height_proportion); void get_slur_indent_height (Real *indent, Real *height, Real width, Real h_inf, Real r_0);