--- ray/src/rt/text.c 1999/05/20 13:51:19 2.19 +++ ray/src/rt/text.c 2004/03/30 16:13:01 2.25 @@ -1,17 +1,16 @@ -/* Copyright (c) 1998 Silicon Graphics, Inc. */ - #ifndef lint -static char SCCSid[] = "$SunId$ SGI"; +static const char RCSid[] = "$Id: text.c,v 2.25 2004/03/30 16:13:01 schorsch Exp $"; #endif - /* * text.c - functions for text patterns and mixtures. */ -#include "ray.h" +#include "copyright.h" +#include "ray.h" +#include "paths.h" #include "otypes.h" - +#include "rtotypes.h" #include "font.h" /* @@ -77,18 +76,17 @@ typedef struct { TLINE tl; /* line list */ } TEXT; -extern char *getlibpath(); +static TLINE * tlalloc(char *s); +static TEXT * gettext(OBJREC *tm); +static int intext(FVECT p, OBJREC *m); +static int inglyph(double x, double y, GLYPH *gl); -extern char *fgetword(); -TEXT *gettext(); - -TLINE *tlalloc(); - - -do_text(m, r) -register OBJREC *m; -RAY *r; +extern int +do_text( + register OBJREC *m, + RAY *r +) { FVECT v; int foreground; @@ -135,11 +133,11 @@ RAY *r; } -TLINE * -tlalloc(s) /* allocate and assign text line */ -char *s; +static TLINE * +tlalloc( /* allocate and assign text line */ + char *s +) { - extern char *strcpy(); register int siz; register TLINE *tl; @@ -153,13 +151,13 @@ char *s; } -TEXT * -gettext(tm) /* get text structure for material */ -register OBJREC *tm; +static TEXT * +gettext( /* get text structure for material */ + register OBJREC *tm +) { #define R (tm->oargs.farg+3) #define D (tm->oargs.farg+6) - extern char *strcpy(); FVECT DxR; double d; FILE *fp; @@ -203,7 +201,7 @@ register OBJREC *tm; tlp = tlp->next; } else { /* text file */ if ((s = getpath(tm->oargs.sarg[tndx(tm)], - getlibpath(), R_OK)) == NULL) { + getrlibpath(), R_OK)) == NULL) { sprintf(errmsg, "cannot find text file \"%s\"", tm->oargs.sarg[tndx(tm)]); error(USER, errmsg); @@ -247,8 +245,10 @@ register OBJREC *tm; } -freetext(m) /* free text structures associated with m */ -OBJREC *m; +extern void +freetext( /* free text structures associated with m */ + OBJREC *m +) { register TEXT *tp; register TLINE *tlp; @@ -258,17 +258,20 @@ OBJREC *m; return; while ((tlp = tp->tl.next) != NULL) { tp->tl.next = tlp->next; - free((char *)tlp->spc); - free((char *)tlp); + free((void *)tlp->spc); + free((void *)tlp); } - free((char *)tp); + freefont(tp->f); /* release font reference */ + free((void *)tp); m->os = NULL; } -intext(p, m) /* check to see if p is in text glyph */ -FVECT p; -OBJREC *m; +static int +intext( /* check to see if p is in text glyph */ + FVECT p, + OBJREC *m +) { register TEXT *tp; register TLINE *tlp; @@ -306,9 +309,12 @@ OBJREC *m; } -inglyph(x, y, gl) /* (x,y) within font glyph gl? */ -double x, y; /* real coordinates in range [0,255) */ -register GLYPH *gl; +static int +inglyph( /* (x,y) within font glyph gl? */ + double x, /* real coordinates in range [0,255) */ + double y, + register GLYPH *gl +) { int n, ncross; int xlb, ylb; @@ -331,7 +337,7 @@ register GLYPH *gl; /* positive x axis cross test */ while (n--) { if ((p0[1]<<1 > ylb) ^ (p1[1]<<1 > ylb)) { - tv = p0[0]<<1 > xlb | (p1[0]<<1 > xlb) << 1; + tv = (p0[0]<<1 > xlb) | ((p1[0]<<1 > xlb) << 1); if (tv == 03) ncross++; else if (tv)