Category : Printer + Display Graphics
Archive   : RAD386.ZIP
Filename : RENDER.H

#define VT_PER 'v' /* perspective */
#define VT_PAR 'l' /* parallel */
#define VT_SPL 's' /* Special */

/* Output Format */
#define Rle 0
#define Radiance 1
#define Sunraster 2
#define Raw 3
#define Text 4
extern int output_format;

/* View Format */

#define MAXFRAMES 100
/* #define MAX_DIRECTION_SAMPLES 4 */
/* Shading Type */
#define FLAT 0
#define GOURAUD 1
#define GOURAUD_PLUS 2
/* Render Type */
#define Surface_Only 0
#define Volume_Only 1
#define Surface_n_Volume 2
typedef struct {
int nframes,rows,cols,shading_type,render_type;
Point3 eye_point[MAXFRAMES];
Vector3 view_direction[MAXFRAMES],
delta_u[MAXFRAMES],delta_v[MAXFRAMES];
}ViewParameter;
typedef struct {
double color[MAXCHANNELS];
}Pixel;
extern ViewParameter view;