/*  ----------------------------------------------------------------	Speech Signal Processing Toolkit (SPTK): version 3.0			 SPTK Working Group		   Department of Computer Science		   Nagoya Institute of Technology				and    Interdisciplinary Graduate School of Science and Engineering		   Tokyo Institute of Technology		      Copyright (c) 1984-2000			All Rights Reserved.  Permission is hereby granted, free of charge, to use and  distribute this software and its documentation without  restriction, including without limitation the rights to use,  copy, modify, merge, publish, distribute, sublicense, and/or  sell copies of this work, and to permit persons to whom this  work is furnished to do so, subject to the following conditions:    1. The code must retain the above copyright notice, this list       of conditions and the following disclaimer.    2. Any modifications must be clearly marked as such.  NAGOYA INSTITUTE OF TECHNOLOGY, TOKYO INSITITUTE OF TECHNOLOGY,  SPTK WORKING GROUP, AND THE CONTRIBUTORS TO THIS WORK DISCLAIM  ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT  SHALL NAGOYA INSTITUTE OF TECHNOLOGY, TOKYO INSITITUTE OF  TECHNOLOGY, SPTK WORKING GROUP, NOR THE CONTRIBUTORS BE LIABLE  FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY  DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,  WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS  ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR  PERFORMANCE OF THIS SOFTWARE. ----------------------------------------------------------------*//*************************************************************************									**    Draw a Graph							**									**					1991.1  T.Kobayshi		**					1996.5  K.Koishida		**									**	usage:								**		fdrw [options] [infile] > stdout			**	options:							**		-F F     :  factor				[1]	**		-R R     :  rotation angle                      [0]	**		-o xo yo :  origin in mm                        [20 20] **		-W W     :  width of figure                     [1]	**		-H H     :  height of figure                    [1]	**		-g g     :  draw grid                           [1]	**		-m m     :  line type                           [0]	**		-l l     :  line pitch                          [0]	**		-p p     :  pen number                          [1]	**		-n n     :  number of samples                   [0]	**		-t t     :  coordinate type                     [0]	**		-y y1 y2 :  scaling factor (y1=min, y2=max)     [-1 1]	**		-z z     :  offset for duplication              [0]	**		-b       :  bar graph mode			[FALSE] **									*************************************************************************//*  Standard C Libraries  */#include <stdio.h>#include <stdlib.h>#include <string.h>#include <SPTK.h>typedef enum _Boolean {FA, TR} Boolean;char *BOOL[] = {"FALSE", "TRUE"};/*  Default Values  */#define BAR		FA#define FCT		1.0#define TH		0#define XO		20.0#define YO		25.0#define GTYPE		1#define LTYPE		0#define LPT		0.0#define PENNO		1#define NSMPLS		0#define DZ		0.0#define XSIZE		100.0#define YSIZE		100.0#define CTYPE		0#define YMIN		-1.0#define YMAX		1.0#define	BUF_LNG		5000#define H		2.5#define SC		1.5/*  Command Name  */char	*cmnd;void usage(int status){    fprintf(stderr, "\n");    fprintf(stderr, " %s - draw a graph\n",cmnd);    fprintf(stderr, "\n");    fprintf(stderr, "  usage:\n", cmnd);    fprintf(stderr, "       %s [ options ] [ infile ] > stdout\n", cmnd);    fprintf(stderr, "  options:\n");    fprintf(stderr, "       -F F     : factor                 [%g]\n",FCT);    fprintf(stderr, "       -R R     : rotation angle         [%g]\n",TH);    fprintf(stderr, "       -W W     : width of figure        [1]\n");    fprintf(stderr, "       -H H     : height of figure       [1]\n");    fprintf(stderr, "       -o xo yo : origin in mm           [%g %g]\n",XO,YO);    fprintf(stderr, "       -g g     : draw grid              [%d]\n",GTYPE);    fprintf(stderr, "       -m m     : line type              [%d]\n",LTYPE);    fprintf(stderr, "       -l l     : line pitch             [%g]\n",LPT);    fprintf(stderr, "       -p p     : pen number             [%d]\n",PENNO);    fprintf(stderr, "       -n n     : number of sample       [%d]\n",NSMPLS);    fprintf(stderr, "       -t t     : coordinate type        [%d]\n",CTYPE);    fprintf(stderr, "       -y y1 y2 : scaling factor         [%g %g]\n",YMIN,YMAX);    fprintf(stderr, "       -z z     : offset for duplication [%g]\n",DZ);    fprintf(stderr, "       -b       : bar graph mode         [%s]\n",BOOL[BAR]);    fprintf(stderr, "       -h       : print this message\n");    fprintf(stderr, "  infile:\n");    fprintf(stderr, "       data sequence (float)\n");    fprintf(stderr, "  stdout:\n");    fprintf(stderr, "       plotter command\n");    fprintf(stderr, "\n");    exit(status);}double	fct = FCT, th = TH, lpt = LPT, dz = DZ,         scale = 0, xo = XO, yo = YO, xl = XSIZE, yl = YSIZE,         ymin = YMIN , ymax = YMAX;long	nsmpls = NSMPLS;int	is_hold = BAR, is_y = 0;int	ltype = LTYPE, gtype = GTYPE, penno = PENNO, ctype = CTYPE;int	lmod[] = { 0, 2, 6, 3, 4};float	lpit[] = { 10, 1.6, 10, 3, 5};main(argc, argv)int	argc;char	*argv[];{	FILE *fp = stdin;	register char	*s;	register int	c;	double	atof();        if ((cmnd = strrchr(argv[0], '/')) == NULL)	    cmnd = argv[0];        else	    cmnd++;	while(--argc) {		if(*(s = *++argv) == '-') {			c = *++s;			if(c != 'b' && *++s == '\0') {				s = *++argv;				--argc;			}			switch(c) {			case 'b':				is_hold = 1;				break;			case 'F':				fct = atof(s);				break;			case 'R':				th = atof(s);				break;			case 'o':				xo = atof(s);				yo = atof(*++argv);				--argc;				break;			case 'g':				gtype = atoi(s);				break;			case 'm':				ltype = atoi(s) - 1;				break;			case 'l':				lpt = atof(s);				break;			case 'p':				penno = atoi(s);				break;			case 'n':				nsmpls = atoi(s);				break;			case 'z':				dz = atof(s);				break;			case 'W':				xl = atof(s) * XSIZE;				break;			case 'H':				yl = atof(s) * YSIZE;				break;			case 't':				ctype = (atoi(s) < 0) ? -1 : 1;				break;			case 'y':				is_y = 1;				ymin = atof(s);				ymax = atof(*++argv);				--argc;				break;			case 'h':				usage(0);			default:				usage(1);				break;			}		}		else			fp = getfp(*argv,"r");	}	plots(0x81);	mode(lmod[ltype], (lpt == 0) ? lpit[ltype] : lpt);	plot(xo, yo, -3);	rotate(th);	pen(1);	xl *= fct;	yl *= fct;	if(gtype) {		if(ctype) {			plot(-ctype * yl, 0.0, 2);			plot(-ctype * yl, ctype * xl, 2);			plot(0.0, ctype * xl, 2);			plot(0.0, 0.0, 2);		} else {			plot(xl, 0.0, 2);			plot(xl, yl, 2);			plot(0.0, yl, 2);			plot(0.0, 0.0, 2);		}	}	pen(penno);	while(!feof(fp)) {		draw(fp);		if(dz) {			if(ctype)				plot(-ctype * dz, 0.0, -3);			else				plot(0.0, dz, -3);		}	}	plote();	exit(0);}draw(fp)FILE	*fp;{	register int	k, nitems;	char		buf[64];	int		n, n2;	double		dx, h;	register float	*p;	float		*x, *y;	if((x = calloc(BUF_LNG * 4, sizeof(*x))) == NULL)		return(1);	y = x + BUF_LNG * 2;	if(nsmpls)		dx = xl / (is_hold ? nsmpls : nsmpls - 1);	for(n = 0; n == 0 || (n < nsmpls && !feof(fp)); ) {		if(nsmpls)			nitems = (nsmpls - n > BUF_LNG) ? BUF_LNG : nsmpls - n;		else			nitems = BUF_LNG;		if((nitems = fread(y, sizeof(*y), nitems, fp)) == 0)			break;		if(nsmpls == 0) {			nsmpls = nitems;			dx = xl / (is_hold ? nitems : nitems - 1);		}		if(scale == 0) {			if(!is_y)				for(ymin = ymax = y[0],k = 1; k < nitems; ++k){					if(y[k] < ymin)						ymin = y[k];					else if(y[k] > ymax)						ymax = y[k];				}			if(ymax == ymin) {				ymax += 1;				ymin -= 1;			}			scale = yl / (ymax - ymin);			if(gtype) {				h = H * ((xl > XSIZE) ? XSIZE : xl) / XSIZE;				sprintf(buf, "0 -x- %ld  %g -y- %g",						nsmpls - 1, ymin, ymax);				if(ctype == 0)					symbol(0.0, - h - 2, buf, h, h, 0.0);				else if(ctype > 0)					symbol(h + 2, 0.0, buf, h, h, 90.0);				else					symbol(0.0, h + 2, buf, h, h, 0.0);			}			if(ctype) {				if(ctype > 0)					bound(-yl, 0.0, 0.0, xl);				else					bound(0.0, -xl, yl, 0.0);				plot(ctype * scale * ymin, 0.0, -3);			} else {				bound(0.0, 0.0, xl, yl);				plot(0.0, -scale * ymin, -3);			}			if(gtype && ymin < 0 && ymax > 0) {				plot(0.0, 0.0, 3);				if(gtype > 1) {					if(ctype)						plot(0.0, ctype * xl, 2);					else						plot(xl, 0.0, 2);				} else {					if(ctype)						plot(0.0, ctype * SC * fct, 2);					else						plot(SC * fct, 0.0, 2);				}			}		}		for(k = 0; k < nitems; ++k) {			x[k] = n++ * dx;			y[k] *= scale;		}		if(is_hold) {			for(k = nitems, p = y + nitems * 2; --k >= 0; )	{				*--p = y[k];				*--p = y[k];			}			p = x + nitems * 2;			*--p = n * dx;			for(k = nitems; --k > 0; ) {				*--p = x[k];				*--p = x[k];			}			n2 = 2 * nitems;		} else			n2 = nitems;		if(ctype) {			for(k = 0; k < n2; ++k) {				x[k] *= ctype;				y[k] *= -ctype;			}			if(n != nitems)				plot(y[0], x[0], 2);			line(1, y , x, n2);		} else {			if(n != nitems)				plot(x[0], y[0], 2);			line(1, x , y, n2);		}	}	rstbnd();}