nuclear@3: #include <stdio.h>
nuclear@0: #include "opengl.h"
nuclear@0: #include "dicomview.h"
nuclear@1: #include "rend_fast.h"
nuclear@3: #include "opt.h"
nuclear@3: #include "volume.h"
nuclear@0: 
nuclear@1: static int win_width, win_height;
nuclear@0: static float cam_theta, cam_phi, cam_dist = 6;
nuclear@0: 
nuclear@1: static Renderer *rend;
nuclear@3: static Volume *vol;
nuclear@1: 
nuclear@0: extern "C" {
nuclear@0: 
nuclear@0: int init()
nuclear@0: {
nuclear@3: 	if(!opt.fname) {
nuclear@3: 		fprintf(stderr, "you must specify the volume data filename\n");
nuclear@1: 		return -1;
nuclear@1: 	}
nuclear@1: 
nuclear@3: 	switch(opt.rend_type) {
nuclear@3: 	case REND_FAST:
nuclear@3: 		rend = new RendererFast;
nuclear@3: 		break;
nuclear@3: 	default:
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	if(!rend->init()) {
nuclear@3: 		fprintf(stderr, "renderer initialization failed\n");
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	VoxelVolume *voxvol = new VoxelVolume;
nuclear@3: 	if(!voxvol->load(opt.fname)) {
nuclear@3: 		fprintf(stderr, "failed to load volume data from: %s\n", opt.fname);
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 	vol = voxvol;
nuclear@3: 	rend->set_volume(vol);
nuclear@3: 
nuclear@1: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: void cleanup()
nuclear@0: {
nuclear@1: 	rend->destroy();
nuclear@1: 	delete rend;
nuclear@3: 	delete vol;
nuclear@0: }
nuclear@0: 
nuclear@0: void ev_display()
nuclear@0: {
nuclear@0: 	glClear(GL_COLOR_BUFFER_BIT);
nuclear@1: 
nuclear@1: 	rend->update(0);
nuclear@1: 	rend->render();
nuclear@0: }
nuclear@0: 
nuclear@0: void ev_reshape(int x, int y)
nuclear@0: {
nuclear@0: 	win_width = x;
nuclear@0: 	win_height = y;
nuclear@0: 
nuclear@1: 	glViewport(0, 0, x, y);
nuclear@0: }
nuclear@0: 
nuclear@1: void ev_keyboard(int key, int press, int x, int y)
nuclear@1: {
nuclear@1: 	if(press) {
nuclear@1: 		switch(key) {
nuclear@1: 		case 27:
nuclear@1: 			quit();
nuclear@1: 		}
nuclear@1: 	}
nuclear@1: }
nuclear@1: 
nuclear@1: void ev_mouse_button(int bn, int press, int x, int y)
nuclear@1: {
nuclear@1: }
nuclear@1: 
nuclear@1: void ev_mouse_motion(int x, int y)
nuclear@1: {
nuclear@1: }
nuclear@0: 
nuclear@0: }	// extern "C"