nuclear@12: /*
nuclear@12: glviewvol is an OpenGL 3D volume data viewer
nuclear@12: Copyright (C) 2014  John Tsiombikas <nuclear@member.fsf.org>
nuclear@12: 
nuclear@12: This program is free software: you can redistribute it and/or modify
nuclear@12: it under the terms of the GNU General Public License as published by
nuclear@12: the Free Software Foundation, either version 3 of the License, or
nuclear@12: (at your option) any later version.
nuclear@12: 
nuclear@12: This program is distributed in the hope that it will be useful,
nuclear@12: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@12: GNU General Public License for more details.
nuclear@12: 
nuclear@12: You should have received a copy of the GNU General Public License
nuclear@12: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@12: */
nuclear@4: #ifndef CURVE_H_
nuclear@4: #define CURVE_H_
nuclear@4: 
nuclear@4: #include <vector>
nuclear@4: #include <inttypes.h>
nuclear@4: 
nuclear@4: struct CurvePoint {
nuclear@4: 	uint16_t t_int;	// save time as an integer to allow exact lookup and change
nuclear@4: 	float value;
nuclear@4: };
nuclear@4: 
nuclear@4: class Curve {
nuclear@4: private:
nuclear@4: 	std::vector<CurvePoint> cp;
nuclear@4: 
nuclear@4: public:
nuclear@4: 	void set_point(float t, float val);
nuclear@4: 	void set_point_int(uint16_t ti, float val);
nuclear@4: 
nuclear@4: 	bool delete_point(uint16_t ti);
nuclear@4: 
nuclear@4: 	CurvePoint *get_point(int idx);
nuclear@4: 	const CurvePoint *get_point(int idx) const;
nuclear@4: 	int get_num_points() const;
nuclear@4: 
nuclear@4: 	CurvePoint *get_point_at(uint16_t ti);
nuclear@4: 	const CurvePoint *get_point_at(uint16_t ti) const;
nuclear@4: 
nuclear@4: 	float value(float t) const;
nuclear@4: 	float value_int(uint16_t ti) const;
nuclear@4: };
nuclear@4: 
nuclear@4: #endif	// CURVE_H_