1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/volume.inl	Sat Dec 15 23:43:03 2012 +0200
     1.3 @@ -0,0 +1,88 @@
     1.4 +Volume::Volume(int xsz, int ysz, int zsz)
     1.5 +{
     1.6 +	this->xsz = xsz;
     1.7 +	this->ysz = ysz;
     1.8 +	this->zsz = zsz;
     1.9 +	slice_size = xsz * ysz;
    1.10 +
    1.11 +	voxels = new Vector4[xsz * ysz * zsz];
    1.12 +
    1.13 +	// precalculate slice start pointers, cause why not...
    1.14 +	slices = new Vector4*[zsz];
    1.15 +	for(int i=0; i<zsz; i++) {
    1.16 +		slices[i] = voxels + i * slice_size;
    1.17 +	}
    1.18 +}
    1.19 +
    1.20 +Volume::~Volume()
    1.21 +{
    1.22 +	delete [] voxels;
    1.23 +}
    1.24 +
    1.25 +int Volume::get_size(int idx) const
    1.26 +{
    1.27 +	switch(idx) {
    1.28 +	case 0:
    1.29 +		return xsz;
    1.30 +	case 1:
    1.31 +		return ysz;
    1.32 +	case 2:
    1.33 +		return zsz;
    1.34 +	default:
    1.35 +		break;
    1.36 +	}
    1.37 +	return xsz * ysz * zsz;
    1.38 +}
    1.39 +
    1.40 +void Volume::set_voxel(int x, int y, int z, const Vector4 &val)
    1.41 +{
    1.42 +	slices[z][y * xsz + x] = val;
    1.43 +}
    1.44 +
    1.45 +void Volume::set_voxel_color(int x, int y, int z, const Vector3 &col)
    1.46 +{
    1.47 +	Vector4 *ptr = slices[z] + y * xsz + x;
    1.48 +	ptr->x = col.x;
    1.49 +	ptr->y = col.y;
    1.50 +	ptr->z = col.z;
    1.51 +}
    1.52 +
    1.53 +void Volume::set_voxel_alpha(int x, int y, int z, float alpha)
    1.54 +{
    1.55 +	slices[z][y * xsz + x].w = alpha;
    1.56 +}
    1.57 +
    1.58 +
    1.59 +const Vector4 &Volume::get_voxel(int x, int y, int z) const
    1.60 +{
    1.61 +	return slices[z][y * xsz + x];
    1.62 +}
    1.63 +
    1.64 +const Vector3 Volume::get_voxel_color(int x, int y, int z) const
    1.65 +{
    1.66 +	Vector4 *ptr = slices[z] + y * xsz + x;
    1.67 +	return Vector3(ptr->x, ptr->y, ptr->z);
    1.68 +}
    1.69 +
    1.70 +float Volume::get_voxel_alpha(int x, int y, int z) const
    1.71 +{
    1.72 +	return slices[z][y * xsz + x].w;
    1.73 +}
    1.74 +
    1.75 +
    1.76 +Vector4 &Volume::operator [](int idx)
    1.77 +{
    1.78 +	return voxels[idx];
    1.79 +}
    1.80 +
    1.81 +const Vector4 &Volume::operator [](int idx) const
    1.82 +{
    1.83 +	return voxels[idx];
    1.84 +}
    1.85 +
    1.86 +
    1.87 +const Vector4 *Volume::get_data_ptr() const
    1.88 +{
    1.89 +	return voxels;
    1.90 +}
    1.91 +