--- ray/src/rt/text.c	2003/02/22 02:07:29	2.20
+++ ray/src/rt/text.c	2004/03/30 16:13:01	2.25
@@ -1,71 +1,16 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: text.c,v 2.20 2003/02/22 02:07:29 greg Exp $";
+static const char	RCSid[] = "$Id: text.c,v 2.25 2004/03/30 16:13:01 schorsch Exp $";
 #endif
 /*
  *  text.c - functions for text patterns and mixtures.
  */
 
-/* ====================================================================
- * The Radiance Software License, Version 1.0
- *
- * Copyright (c) 1990 - 2002 The Regents of the University of California,
- * through Lawrence Berkeley National Laboratory.   All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *         notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- *           if any, must include the following acknowledgment:
- *             "This product includes Radiance software
- *                 (http://radsite.lbl.gov/)
- *                 developed by the Lawrence Berkeley National Laboratory
- *               (http://www.lbl.gov/)."
- *       Alternately, this acknowledgment may appear in the software itself,
- *       if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
- *       and "The Regents of the University of California" must
- *       not be used to endorse or promote products derived from this
- *       software without prior written permission. For written
- *       permission, please contact radiance@radsite.lbl.gov.
- *
- * 5. Products derived from this software may not be called "Radiance",
- *       nor may "Radiance" appear in their name, without prior written
- *       permission of Lawrence Berkeley National Laboratory.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
- * information on Lawrence Berkeley National Laboratory, please see
- * <http://www.lbl.gov/>.
- */
+#include "copyright.h"
 
 #include  "ray.h"
-
+#include  "paths.h"
 #include  "otypes.h"
-
+#include  "rtotypes.h"
 #include  "font.h"
 
 /*
@@ -131,14 +76,17 @@ typedef struct {
 	TLINE  tl;			/* line list */
 }  TEXT;
 
-TEXT  *gettext();
+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);
 
-TLINE  *tlalloc();
 
-
-do_text(m, r)
-register OBJREC  *m;
-RAY  *r;
+extern int
+do_text(
+	register OBJREC  *m,
+	RAY  *r
+)
 {
 	FVECT  v;
 	int  foreground;
@@ -185,9 +133,10 @@ RAY  *r;
 }
 
 
-TLINE *
-tlalloc(s)			/* allocate and assign text line */
-char  *s;
+static TLINE *
+tlalloc(			/* allocate and assign text line */
+	char  *s
+)
 {
 	register int  siz;
 	register TLINE  *tl;
@@ -202,9 +151,10 @@ 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)
@@ -251,7 +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);
@@ -295,8 +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;
@@ -315,9 +267,11 @@ OBJREC  *m;
 }
 
 
-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;
@@ -355,9 +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;
@@ -380,7 +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)