1 #ifndef VOLUME_H_

2 #define VOLUME_H_

3

4 #include <vector>

5 #include "image.h"

6

7 class Mesh;

8

9 class Volume {

10 private:

11 std::vector<Image> slices;

12

13 int width;

14 int height;

15 float zaspect;

16 float x_rot;

17

18 unsigned int vol_tex;

19 mutable bool vol_tex_valid;

20

21 void create_vol_tex() const;

22

23 public:

24 Volume();

25 ~Volume();

26

27 bool load(const char *fname);

28

29 bool push_slice(Image &&slice);

30 const Image *get_slice(int num_slice) const;

31

32 // z must be in [0, 1]

33 const Image *get_slice_by_z(float z) const;

34

35 int get_slice_count() const;

36

37 // z must be in [0, 1]

38 int get_slice_idx_by_z(float z) const;

39

40 unsigned int get_texture() const;

41

42 float get_volume_rotation() const;

43

44 void create_mesh(Mesh *mesh, float tmin, float tmax, int xres, int yres, int zres);

45

46 void draw() const;

47 };

48

49 float transfer_function(float x, float low_thres, float high_thres);

50

51 #endif // VOLUME_H_