1 #include <math.h>

2 #include "renderer.h"

3

4 Renderer::Renderer()

5 {

6 vol = 0;

7 view_width = 512;

8 view_height = 512;

9

10 for(int i=0; i<MAX_CLIP_PLANES; i++) {

11 disable_clipping_plane(i);

12 }

13 }

14

15 Renderer::~Renderer()

16 {

17 destroy();

18 }

19

20 bool Renderer::init()

21 {

22 return true;

23 }

24

25 void Renderer::destroy()

26 {

27 }

28

29 void Renderer::set_volume(Volume *vol)

30 {

31 this->vol = vol;

32 }

33

34 Volume *Renderer::get_volume() const

35 {

36 return vol;

37 }

38

39 void Renderer::set_transfer_function(TransferFunc *xfer)

40 {

41 this->xfer = xfer;

42 }

43

44 TransferFunc *Renderer::get_transfer_function() const

45 {

46 return xfer;

47 }

48

49 void Renderer::set_clipping_plane(int idx, float nx, float ny, float nz, float dist)

50 {

51 float len = sqrt(nx * nx + ny * ny + nz * nz);

52 if(len != 0.0) {

53 nx /= len;

54 ny /= len;

55 nz /= len;

56 }

57 clip_plane[idx][0] = nx;

58 clip_plane[idx][1] = ny;

59 clip_plane[idx][2] = nz;

60 clip_plane[idx][3] = dist;

61 }

62

63 void Renderer::disable_clipping_plane(int idx)

64 {

65 clip_plane[idx][0] = clip_plane[idx][2] = 0;

66 clip_plane[idx][1] = 1;

67 clip_plane[idx][3] = -1;

68 }

69

70 void Renderer::reshape(int x, int y)

71 {

72 view_width = x;

73 view_height = y;

74 }

75

76 void Renderer::update(unsigned int msec)

77 {

78 }