/*
 * a TINY graphics library.
 *
 * Copyright (c) 2000, Edward Patel, All rights reserved.
 *
 */

#ifndef __TINYGL_H__
#define __TINYGL_H__

#ifndef __PILOT_H__
#include <Pilot.h>
#endif /* __PILOT_H__ */

#include "fixlib.h"

Boolean tglFilterEvent(const EventType *pevt);
void tglInit();
void tglShowScreen(Boolean f);
void tglDoubleBuffer(Boolean f);
void tglClear();
void tglCopy();
void tglSwap();
void tglViewport(short x, short y, short w, short h);

void tglLineScreen(short x1, 
		   short y1, 
		   short x2, 
		   short y2);

void tglPointScreen(short x1, 
		    short y1, 
		    short r);

typedef fix_t vector_t[4];

Boolean tglPushMatrix();
Boolean tglPopMatrix();
void tglStipple(short s);
void tglIdent();
void tglScale(fix_t s);
void tglTranslate(fix_t x, fix_t y, fix_t z);
void tglRotX(fix_t a);
void tglRotY(fix_t a);
void tglRotZ(fix_t a);
void tglFrustum(fix_t w, fix_t h, fix_t n, fix_t f);
void tglOrtho(fix_t w, fix_t h, fix_t n, fix_t f);
void tglStipple(short s);
void tglLine(vector_t p1, vector_t p2);
void tglPoint(vector_t v);
Boolean tglPickPoint(vector_t p, short x, short y, fix_t *zbv);
void tglLineStrip(vector_t *t, short num);
void tglTriangleStrip(vector_t *t, short num);
void tglLineIndexedStrip(vector_t *t, short *index, short num);
short tglPickTriangleStrip(vector_t *t, short num, short x, short y);
void tglTriangleIndexedStrip(vector_t *t, short *index, short num);
short tglPickTriangleIndexedStrip(vector_t *t, 
				  short *index, 
				  short num,
				  short x, 
				  short y);
typedef struct {
  short x,y;
  fix_t z;
  Boolean ok;
} proj_entry;

void tglProjPoints(vector_t *v, short num, proj_entry *pr);
void tglInvertString(Boolean f);
/* NOTE! These two has x as character pos in line and y as pixel line */
  void tglPutString(short x, short y, char *str);
  void tglPutInt(short x, short y, unsigned int num);
/* NOTE! An Icon is 16x16 bits and x and y is icon pos. 10x10 */
void tglPutIcon(short x, short y, unsigned char *icon, Boolean inv);

#endif /* __TINYGL_H__ */