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* 5/20/85 |
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*/ |
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#include <string.h> |
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#include "meta.h" |
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#include "plot.h" |
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#define getsi(f, m) ICONV(geti(f)-(m), size) |
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static short curmod = 0; /* current line drawing mode */ |
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static void convert(FILE *infp); |
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static int geti(FILE *fp); |
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static int quadr(int x, int y, int xp, int yp); |
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static void step(int d); |
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static void linemod(char s[]); |
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static void erase(void); |
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static void space(int xmn, int ymn, int xmx, int ymx); |
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static void move(int x, int y); |
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static void cont(int x, int y); |
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static void line(int x0, int y0, int x1, int y1); |
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static void label(register char *s); |
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static void point(int x, int y); |
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static void arc(int x, int y, int x0, int y0, int x1, int y1); |
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static void circle(int x, int y, int r); |
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main(argc, argv) |
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int argc; |
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char **argv; |
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int |
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main( |
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int argc, |
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char **argv |
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) |
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{ |
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FILE *fp; |
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pglob(PEOF, 0200, NULL); |
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return(0); |
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} |
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} |
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convert(infp) /* convert to meta-file */ |
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FILE *infp; |
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void |
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convert( /* convert to meta-file */ |
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FILE *infp |
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) |
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{ |
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char *fgets(), sbuf[BUFSIZ]; |
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int command; |
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int |
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geti(fp) /* get two-byte integer from file */ |
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register FILE *fp; |
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geti( /* get two-byte integer from file */ |
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register FILE *fp |
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) |
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{ |
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register int i; |
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move(x, y) /* move to new position */ |
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register int x, y; |
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void |
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move( /* move to new position */ |
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register int x, |
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register int y |
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) |
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{ |
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curx = x; |
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cury = y; |
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} |
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cont(x, y) /* draw line to point */ |
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register int x, y; |
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void |
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cont( /* draw line to point */ |
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register int x, |
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register int y |
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) |
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{ |
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plseg(curmod, curx, cury, x, y); |
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curx = x; |
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cury = y; |
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} |
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point(x, y) /* draw a point */ |
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register int x, y; |
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void |
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point( /* draw a point */ |
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register int x, |
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register int y |
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) |
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{ |
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plseg(0, x, y, x, y); |
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curx = x; |
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cury = y; |
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} |
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line(x0, y0, x1, y1) /* draw a line segment */ |
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int x0, y0, x1, y1; |
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void |
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line( /* draw a line segment */ |
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int x0, |
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int y0, |
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int x1, |
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int y1 |
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) |
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{ |
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move(x0, y0); |
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cont(x1, y1); |
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} |
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label(s) /* print a label */ |
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register char *s; |
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void |
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label( /* print a label */ |
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register char *s |
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) |
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{ |
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pprim(PMSTR, 0, curx, cury, curx, cury, s); |
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} |
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static int del = 100; |
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static step(d){ |
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void |
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step( |
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int d |
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) |
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{ |
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del = d; |
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} |
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arc(x,y,x0,y0,x1,y1){ |
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void |
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arc( |
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int x, |
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int y, |
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int x0, |
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int y0, |
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int x1, |
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int y1 |
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) |
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{ |
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double pc; |
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double sqrt(); |
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int flg,m,xc,yc,xs,ys,qs,qf; |
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} |
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} |
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} |
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quadr(x,y,xp,yp){ |
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int |
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quadr( |
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int x, |
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int y, |
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int xp, |
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int yp |
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) |
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{ |
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if(x < xp) |
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if(y <= yp)return(1); |
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else return(4); |
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} |
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circle(x,y,r){ |
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void |
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circle( |
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int x, |
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int y, |
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int r |
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) |
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{ |
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arc(x,y,x+r,y,x+r,y); |
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} |
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erase() /* erase plot */ |
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void |
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erase(void) /* erase plot */ |
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{ |
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pglob(PEOP, 0200, NULL); |
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} |
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linemod(s) /* set line mode according to s */ |
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char s[]; |
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void |
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linemod( /* set line mode according to s */ |
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char s[] |
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) |
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{ |
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switch (s[2]) { |
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case 'l': /* solid */ |
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curmod = 0; |
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error(WARNING, "unknown line mode in linemod"); |
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break; |
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} |
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} |
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space(xmn, ymn, xmx, ymx) /* change space */ |
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int xmn, ymn, xmx, ymx; |
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void |
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space( /* change space */ |
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int xmn, |
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int ymn, |
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int xmx, |
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int ymx |
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) |
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{ |
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if (xmn >= xmx || ymn >= ymx) |
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error(USER, "illegal space specification in space"); |
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xmin = xmn; |
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ymin = ymn; |
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size = min(xmx-xmn, ymx-ymn); |
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} |