nuclear@4: #include <math.h>
nuclear@0: #include "renderer.h"
nuclear@0: 
nuclear@0: Renderer::Renderer()
nuclear@0: {
nuclear@0: 	vol = 0;
nuclear@0: 	view_width = 512;
nuclear@0: 	view_height = 512;
nuclear@4: 
nuclear@4: 	for(int i=0; i<3; i++) {
nuclear@4: 		xfer[i].set_point(0, 0);
nuclear@4: 		xfer[i].set_point(1, 1);
nuclear@4: 	}
nuclear@4: 
nuclear@5: 	xfer_low = 0.0;
nuclear@5: 	xfer_high = 1.0;
nuclear@5: 
nuclear@4: 	for(int i=0; i<MAX_CLIP_PLANES; i++) {
nuclear@4: 		disable_clipping_plane(i);
nuclear@4: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: Renderer::~Renderer()
nuclear@0: {
nuclear@0: 	destroy();
nuclear@0: }
nuclear@0: 
nuclear@0: bool Renderer::init()
nuclear@0: {
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: void Renderer::destroy()
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: void Renderer::set_volume(Volume *vol)
nuclear@0: {
nuclear@0: 	this->vol = vol;
nuclear@0: }
nuclear@0: 
nuclear@0: Volume *Renderer::get_volume() const
nuclear@0: {
nuclear@0: 	return vol;
nuclear@0: }
nuclear@0: 
nuclear@4: Curve &Renderer::transfer_curve(int color)
nuclear@4: {
nuclear@4: 	return xfer[color];
nuclear@4: }
nuclear@4: 
nuclear@4: const Curve &Renderer::transfer_curve(int color) const
nuclear@4: {
nuclear@4: 	return xfer[color];
nuclear@4: }
nuclear@4: 
nuclear@5: void Renderer::set_simple_transfer(float low, float high)
nuclear@5: {
nuclear@5: 	xfer_low = std::min(low, high);
nuclear@5: 	xfer_high = std::max(low, high);
nuclear@5: }
nuclear@5: 
nuclear@5: void Renderer::get_simple_transfer(float *low, float *high) const
nuclear@5: {
nuclear@5: 	*low = xfer_low;
nuclear@5: 	*high = xfer_high;
nuclear@5: }
nuclear@5: 
nuclear@4: void Renderer::set_clipping_plane(int idx, float nx, float ny, float nz, float dist)
nuclear@4: {
nuclear@4: 	float len = sqrt(nx * nx + ny * ny + nz * nz);
nuclear@4: 	if(len != 0.0) {
nuclear@4: 		nx /= len;
nuclear@4: 		ny /= len;
nuclear@4: 		nz /= len;
nuclear@4: 	}
nuclear@4: 	clip_plane[idx][0] = nx;
nuclear@4: 	clip_plane[idx][1] = ny;
nuclear@4: 	clip_plane[idx][2] = nz;
nuclear@4: 	clip_plane[idx][3] = dist;
nuclear@4: }
nuclear@4: 
nuclear@4: void Renderer::disable_clipping_plane(int idx)
nuclear@4: {
nuclear@4: 	clip_plane[idx][0] = clip_plane[idx][2] = 0;
nuclear@4: 	clip_plane[idx][1] = 1;
nuclear@4: 	clip_plane[idx][3] = -1;
nuclear@4: }
nuclear@4: 
nuclear@0: void Renderer::reshape(int x, int y)
nuclear@0: {
nuclear@0: 	view_width = x;
nuclear@0: 	view_height = y;
nuclear@0: }
nuclear@0: 
nuclear@0: void Renderer::update(unsigned int msec)
nuclear@0: {
nuclear@0: }