/* Steven Andrews, 2/03 */
/* Header for opengl2.c */
/* See documentation called opengl2 doc */
/* Copyright 2003 by Steven Andrews.  Permission is granted
   for non-commercial use of and modifications to the code. */

#ifndef __opengl2_h
#define __opengl2_h

/* If the OpenGL graphics libraries are unavailable, comment out the following
lines (most functions here will become non-active).  Also, note that different
names may be required for OpenGL header files, such as <GL/gl.h> */
#include <gl.h>
#include <glut.h>

/* If the libtiff library is unavailable, comment out the following line. */
#include "tiffio.h"

void gl2Initialize(float xlo,float xhi,float ylo,float yhi,float zlo,float zhi);
void gl2glutInit(int *argc,char **argv);
int gl2State(int state);
float gl2GetNumber(char *variable);
int gl2SetOptionInt(char *option,int value);
float gl2SetOptionFlt(char *option,float value);
char *gl2SetOptionStr(char *option,char *value);
void gl2SetKeyPush(unsigned char key);
void gl2SetColor(char c);

float gl2FindRotate(float *vect1,float *vect2,float *axis);
double gl2FindRotateD(double *vect1,double *vect2,double *axis);
void gl2DrawBox(float *pt1,float *pt2,int dim);
void gl2DrawBoxD(double *pt1,double *pt2,int dim);
void gl2DrawGrid(float *pt1,float *pt2,int *n,int dim);
void gl2DrawGridD(double *pt1,double *pt2,int *n,int dim);
void gl2DrawCircle(float *cent,float radius,int slices,char style);
void gl2DrawCircleD(double *cent,double radius,int slices,char style);
void gl2DrawArc(float *cent,float radius,float theta1,float theta2,int slices,char style);
void gl2DrawArcD(double *cent,double radius,double theta1,double theta2,int slices,char style);
void gl2DrawHemisphere(float radius,int slices,int stacks,int frontin);
void gl2DrawCylinder(float baseRadius,float topRadius,float height,int slices,int stacks,int frontin);
void gl2DrawSphere(float radius,int slices,int stacks,int frontin);
void gl2DrawEcoli(float radius,float length,int slices,int stacks,int frontin);
void gl2PlotData(float *xdata,float *ydata,int nx,int nycol,char *style);
void gl2PlotPts(float **data,int *ser,int nser,int npts,float **color,float *size,char style);
void gl2PlotPtsD(double **data,int *ser,int nser,int npts,double **color,double *size,char style);
void gl2PlotSurf(float *xdata,float *ydata,float **zdata,int nx,int ny,int nz,char *style);

#endif