glviewvol
annotate src/renderer.cc @ 10:89efc666105c
mostly done
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Wed, 31 Dec 2014 05:21:47 +0200 |
| parents | f22be47a3572 |
| children | 773f89037a35 |
| 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@10 | 13 |
| nuclear@10 | 14 zscale = 1.0; |
| nuclear@0 | 15 } |
| nuclear@0 | 16 |
| nuclear@0 | 17 Renderer::~Renderer() |
| nuclear@0 | 18 { |
| nuclear@0 | 19 destroy(); |
| nuclear@0 | 20 } |
| nuclear@0 | 21 |
| nuclear@0 | 22 bool Renderer::init() |
| nuclear@0 | 23 { |
| nuclear@0 | 24 return true; |
| nuclear@0 | 25 } |
| nuclear@0 | 26 |
| nuclear@0 | 27 void Renderer::destroy() |
| nuclear@0 | 28 { |
| nuclear@0 | 29 } |
| nuclear@0 | 30 |
| nuclear@0 | 31 void Renderer::set_volume(Volume *vol) |
| nuclear@0 | 32 { |
| nuclear@0 | 33 this->vol = vol; |
| nuclear@0 | 34 } |
| nuclear@0 | 35 |
| nuclear@0 | 36 Volume *Renderer::get_volume() const |
| nuclear@0 | 37 { |
| nuclear@0 | 38 return vol; |
| nuclear@0 | 39 } |
| nuclear@0 | 40 |
| nuclear@10 | 41 void Renderer::set_zscale(float zs) |
| nuclear@10 | 42 { |
| nuclear@10 | 43 zscale = zs; |
| nuclear@10 | 44 } |
| nuclear@10 | 45 |
| nuclear@10 | 46 float Renderer::get_zscale() const |
| nuclear@10 | 47 { |
| nuclear@10 | 48 return zscale; |
| nuclear@10 | 49 } |
| nuclear@10 | 50 |
| nuclear@6 | 51 void Renderer::set_transfer_function(TransferFunc *xfer) |
| nuclear@4 | 52 { |
| nuclear@6 | 53 this->xfer = xfer; |
| nuclear@4 | 54 } |
| nuclear@4 | 55 |
| nuclear@6 | 56 TransferFunc *Renderer::get_transfer_function() const |
| nuclear@4 | 57 { |
| nuclear@6 | 58 return xfer; |
| nuclear@5 | 59 } |
| nuclear@5 | 60 |
| nuclear@4 | 61 void Renderer::set_clipping_plane(int idx, float nx, float ny, float nz, float dist) |
| nuclear@4 | 62 { |
| nuclear@4 | 63 float len = sqrt(nx * nx + ny * ny + nz * nz); |
| nuclear@4 | 64 if(len != 0.0) { |
| nuclear@4 | 65 nx /= len; |
| nuclear@4 | 66 ny /= len; |
| nuclear@4 | 67 nz /= len; |
| nuclear@4 | 68 } |
| nuclear@4 | 69 clip_plane[idx][0] = nx; |
| nuclear@4 | 70 clip_plane[idx][1] = ny; |
| nuclear@4 | 71 clip_plane[idx][2] = nz; |
| nuclear@4 | 72 clip_plane[idx][3] = dist; |
| nuclear@4 | 73 } |
| nuclear@4 | 74 |
| nuclear@4 | 75 void Renderer::disable_clipping_plane(int idx) |
| nuclear@4 | 76 { |
| nuclear@4 | 77 clip_plane[idx][0] = clip_plane[idx][2] = 0; |
| nuclear@4 | 78 clip_plane[idx][1] = 1; |
| nuclear@4 | 79 clip_plane[idx][3] = -1; |
| nuclear@4 | 80 } |
| nuclear@4 | 81 |
| nuclear@0 | 82 void Renderer::reshape(int x, int y) |
| nuclear@0 | 83 { |
| nuclear@0 | 84 view_width = x; |
| nuclear@0 | 85 view_height = y; |
| nuclear@0 | 86 } |
| nuclear@0 | 87 |
| nuclear@0 | 88 void Renderer::update(unsigned int msec) |
| nuclear@0 | 89 { |
| nuclear@0 | 90 } |