glviewvol
annotate src/renderer.cc @ 7:71b479ffb9f7
curve manipulation works
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Tue, 30 Dec 2014 17:28:38 +0200 |
| parents | 5417c25cb238 |
| children | 89efc666105c |
| 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<MAX_CLIP_PLANES; i++) { |
| nuclear@4 | 11 disable_clipping_plane(i); |
| nuclear@4 | 12 } |
| nuclear@0 | 13 } |
| nuclear@0 | 14 |
| nuclear@0 | 15 Renderer::~Renderer() |
| nuclear@0 | 16 { |
| nuclear@0 | 17 destroy(); |
| nuclear@0 | 18 } |
| nuclear@0 | 19 |
| nuclear@0 | 20 bool Renderer::init() |
| nuclear@0 | 21 { |
| nuclear@0 | 22 return true; |
| nuclear@0 | 23 } |
| nuclear@0 | 24 |
| nuclear@0 | 25 void Renderer::destroy() |
| nuclear@0 | 26 { |
| nuclear@0 | 27 } |
| nuclear@0 | 28 |
| nuclear@0 | 29 void Renderer::set_volume(Volume *vol) |
| nuclear@0 | 30 { |
| nuclear@0 | 31 this->vol = vol; |
| nuclear@0 | 32 } |
| nuclear@0 | 33 |
| nuclear@0 | 34 Volume *Renderer::get_volume() const |
| nuclear@0 | 35 { |
| nuclear@0 | 36 return vol; |
| nuclear@0 | 37 } |
| nuclear@0 | 38 |
| nuclear@6 | 39 void Renderer::set_transfer_function(TransferFunc *xfer) |
| nuclear@4 | 40 { |
| nuclear@6 | 41 this->xfer = xfer; |
| nuclear@4 | 42 } |
| nuclear@4 | 43 |
| nuclear@6 | 44 TransferFunc *Renderer::get_transfer_function() const |
| nuclear@4 | 45 { |
| nuclear@6 | 46 return xfer; |
| nuclear@5 | 47 } |
| nuclear@5 | 48 |
| nuclear@4 | 49 void Renderer::set_clipping_plane(int idx, float nx, float ny, float nz, float dist) |
| nuclear@4 | 50 { |
| nuclear@4 | 51 float len = sqrt(nx * nx + ny * ny + nz * nz); |
| nuclear@4 | 52 if(len != 0.0) { |
| nuclear@4 | 53 nx /= len; |
| nuclear@4 | 54 ny /= len; |
| nuclear@4 | 55 nz /= len; |
| nuclear@4 | 56 } |
| nuclear@4 | 57 clip_plane[idx][0] = nx; |
| nuclear@4 | 58 clip_plane[idx][1] = ny; |
| nuclear@4 | 59 clip_plane[idx][2] = nz; |
| nuclear@4 | 60 clip_plane[idx][3] = dist; |
| nuclear@4 | 61 } |
| nuclear@4 | 62 |
| nuclear@4 | 63 void Renderer::disable_clipping_plane(int idx) |
| nuclear@4 | 64 { |
| nuclear@4 | 65 clip_plane[idx][0] = clip_plane[idx][2] = 0; |
| nuclear@4 | 66 clip_plane[idx][1] = 1; |
| nuclear@4 | 67 clip_plane[idx][3] = -1; |
| nuclear@4 | 68 } |
| nuclear@4 | 69 |
| nuclear@0 | 70 void Renderer::reshape(int x, int y) |
| nuclear@0 | 71 { |
| nuclear@0 | 72 view_width = x; |
| nuclear@0 | 73 view_height = y; |
| nuclear@0 | 74 } |
| nuclear@0 | 75 |
| nuclear@0 | 76 void Renderer::update(unsigned int msec) |
| nuclear@0 | 77 { |
| nuclear@0 | 78 } |