glviewvol
annotate src/renderer.cc @ 4:04330eb80b36
lots of stuff
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Mon, 29 Dec 2014 05:41:36 +0200 |
| parents | 7bdf40403b9c |
| children | 5417c25cb238 |
| rev | line source |
|---|---|
| nuclear@4 | 1 #include <math.h> |
| nuclear@0 | 2 #include "renderer.h" |
| nuclear@0 | 3 |
| nuclear@0 | 4 Renderer::Renderer() |
| nuclear@0 | 5 { |
| nuclear@0 | 6 vol = 0; |
| nuclear@0 | 7 view_width = 512; |
| nuclear@0 | 8 view_height = 512; |
| nuclear@4 | 9 |
| nuclear@4 | 10 for(int i=0; i<3; i++) { |
| nuclear@4 | 11 xfer[i].set_point(0, 0); |
| nuclear@4 | 12 xfer[i].set_point(1, 1); |
| nuclear@4 | 13 } |
| nuclear@4 | 14 |
| nuclear@4 | 15 for(int i=0; i<MAX_CLIP_PLANES; i++) { |
| nuclear@4 | 16 disable_clipping_plane(i); |
| nuclear@4 | 17 } |
| nuclear@0 | 18 } |
| nuclear@0 | 19 |
| nuclear@0 | 20 Renderer::~Renderer() |
| nuclear@0 | 21 { |
| nuclear@0 | 22 destroy(); |
| nuclear@0 | 23 } |
| nuclear@0 | 24 |
| nuclear@0 | 25 bool Renderer::init() |
| nuclear@0 | 26 { |
| nuclear@0 | 27 return true; |
| nuclear@0 | 28 } |
| nuclear@0 | 29 |
| nuclear@0 | 30 void Renderer::destroy() |
| nuclear@0 | 31 { |
| nuclear@0 | 32 } |
| nuclear@0 | 33 |
| nuclear@0 | 34 void Renderer::set_volume(Volume *vol) |
| nuclear@0 | 35 { |
| nuclear@0 | 36 this->vol = vol; |
| nuclear@0 | 37 } |
| nuclear@0 | 38 |
| nuclear@0 | 39 Volume *Renderer::get_volume() const |
| nuclear@0 | 40 { |
| nuclear@0 | 41 return vol; |
| nuclear@0 | 42 } |
| nuclear@0 | 43 |
| nuclear@4 | 44 Curve &Renderer::transfer_curve(int color) |
| nuclear@4 | 45 { |
| nuclear@4 | 46 return xfer[color]; |
| nuclear@4 | 47 } |
| nuclear@4 | 48 |
| nuclear@4 | 49 const Curve &Renderer::transfer_curve(int color) const |
| nuclear@4 | 50 { |
| nuclear@4 | 51 return xfer[color]; |
| nuclear@4 | 52 } |
| nuclear@4 | 53 |
| nuclear@4 | 54 void Renderer::set_clipping_plane(int idx, float nx, float ny, float nz, float dist) |
| nuclear@4 | 55 { |
| nuclear@4 | 56 float len = sqrt(nx * nx + ny * ny + nz * nz); |
| nuclear@4 | 57 if(len != 0.0) { |
| nuclear@4 | 58 nx /= len; |
| nuclear@4 | 59 ny /= len; |
| nuclear@4 | 60 nz /= len; |
| nuclear@4 | 61 } |
| nuclear@4 | 62 clip_plane[idx][0] = nx; |
| nuclear@4 | 63 clip_plane[idx][1] = ny; |
| nuclear@4 | 64 clip_plane[idx][2] = nz; |
| nuclear@4 | 65 clip_plane[idx][3] = dist; |
| nuclear@4 | 66 } |
| nuclear@4 | 67 |
| nuclear@4 | 68 void Renderer::disable_clipping_plane(int idx) |
| nuclear@4 | 69 { |
| nuclear@4 | 70 clip_plane[idx][0] = clip_plane[idx][2] = 0; |
| nuclear@4 | 71 clip_plane[idx][1] = 1; |
| nuclear@4 | 72 clip_plane[idx][3] = -1; |
| nuclear@4 | 73 } |
| nuclear@4 | 74 |
| nuclear@0 | 75 void Renderer::reshape(int x, int y) |
| nuclear@0 | 76 { |
| nuclear@0 | 77 view_width = x; |
| nuclear@0 | 78 view_height = y; |
| nuclear@0 | 79 } |
| nuclear@0 | 80 |
| nuclear@0 | 81 void Renderer::update(unsigned int msec) |
| nuclear@0 | 82 { |
| nuclear@0 | 83 } |