Subversion Repositories planix.SVN

#include <u.h>

#include <libc.h>

#include <stdio.h>

#include <draw.h>

#include <event.h>

#define SCX(A) ((((A) - e1->xmin)*e1->scalex  + e1->left)+.5)

#define SCY(A) ((((A) - e1->ymin)*e1->scaley + e1->bottom)+.5)

#define	SCR(A) ((A)*e1->scalex+.5)

#define unorm(y)	(double)(e1->sidey - y)

#define	BIGINT	0x3FFFFFFF	/* a large, but valid, int */

extern struct penvir {

	double left, bottom;

	double xmin, ymin;

	double scalex, scaley;

	double sidex, sidey;

	double copyx, copyy;

	double quantum;

	double grade;

	int pgap;

	double pslant;

	int pmode, foregr, backgr;

} *e0, *e1, *esave;

#define RADIAN 57.3	/* radians per degree */

struct seg {

	int x, y, X, Y;

	char stat;

};

/*

 * display parameters

 */

int clipminx, clipminy, clipmaxx, clipmaxy;	/* clipping rectangle */

int mapminx, mapminy, mapmaxx, mapmaxy;		/* centered square */

/*

 * Prototypes

 */

#include "../plot.h"

void m_clrwin(int, int, int, int, int);

void m_finish(void);

void m_initialize(char *);

int m_text(int, int, char *, char *, int, int, int);

void m_vector(int, int, int, int, int);

void m_swapbuf(void);

void m_dblbuf(void);

int bcolor(char *);

void sscpy(struct penvir *, struct penvir *);

Image *getcolor(int);