1 /*

2 glviewvol is an OpenGL 3D volume data viewer

3 Copyright (C) 2014 John Tsiombikas <nuclear@member.fsf.org>

4

5 This program is free software: you can redistribute it and/or modify

6 it under the terms of the GNU General Public License as published by

7 the Free Software Foundation, either version 3 of the License, or

8 (at your option) any later version.

9

10 This program is distributed in the hope that it will be useful,

11 but WITHOUT ANY WARRANTY; without even the implied warranty of

12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

13 GNU General Public License for more details.

14

15 You should have received a copy of the GNU General Public License

16 along with this program. If not, see <http://www.gnu.org/licenses/>.

17 */

18 #ifndef CURVE_H_

19 #define CURVE_H_

20

21 #include <vector>

22 #include <inttypes.h>

23

24 struct CurvePoint {

25 uint16_t t_int; // save time as an integer to allow exact lookup and change

26 float value;

27 };

28

29 class Curve {

30 private:

31 std::vector<CurvePoint> cp;

32

33 public:

34 void set_point(float t, float val);

35 void set_point_int(uint16_t ti, float val);

36

37 bool delete_point(uint16_t ti);

38

39 CurvePoint *get_point(int idx);

40 const CurvePoint *get_point(int idx) const;

41 int get_num_points() const;

42

43 CurvePoint *get_point_at(uint16_t ti);

44 const CurvePoint *get_point_at(uint16_t ti) const;

45

46 float value(float t) const;

47 float value_int(uint16_t ti) const;

48 };

49

50 #endif // CURVE_H_