--- ray/src/rt/text.c 1994/04/14 04:50:37 2.13 +++ ray/src/rt/text.c 1996/06/22 09:48:52 2.16 @@ -1,4 +1,4 @@ -/* Copyright (c) 1992 Regents of the University of California */ +/* Copyright (c) 1995 Regents of the University of California */ #ifndef lint static char SCCSid[] = "$SunId$ LBL"; @@ -6,8 +6,6 @@ static char SCCSid[] = "$SunId$ LBL"; /* * text.c - functions for text patterns and mixtures. - * - * 11/12/86 */ #include "ray.h" @@ -45,8 +43,10 @@ static char SCCSid[] = "$SunId$ LBL"; * [spacing] * * Colortext is identical, except colors are given rather than - * brightnesses. Mixtext has foreground and background modifiers: + * brightnesses. * + * Mixtext has foreground and background modifiers: + * * modifier mixtext id * 4+ foremod backmod fontfile text.. * 0 @@ -86,7 +86,7 @@ TEXT *gettext(); TLINE *tlalloc(); -text(m, r) +do_text(m, r) register OBJREC *m; RAY *r; { @@ -114,8 +114,7 @@ RAY *r; objerror(m, USER, "inappropriate modifier"); return(1); } - } - if (m->otype == PAT_BTEXT) { + } else if (m->otype == PAT_BTEXT) { if (foreground) scalecolor(r->pcol, m->oargs.farg[9]); else @@ -225,7 +224,7 @@ register OBJREC *tm; /* compute character spacing */ i = sndx(tm); d = i < tm->oargs.nfargs ? tm->oargs.farg[i] : 0.0; - i = d * 256.0; + i = d * 255.0; t->tl.width = 0; for (tlp = t->tl.next; tlp != NULL; tlp = tlp->next) { if (i < 0) @@ -281,15 +280,15 @@ OBJREC *m; x = DOT(v, tp->right); i = sndx(m); if (i < m->oargs.nfargs) - x *= tp->f->mwidth + 256.*fabs(m->oargs.farg[i]); + x *= tp->f->mwidth + 255.*fabs(m->oargs.farg[i]); else - x *= 256.; + x *= 255.; h = x; i = y = DOT(v, tp->down); if (x < 0.0 || y < 0.0) return(0); x -= (double)h; - y = ((i+1) - y)*256.; + y = ((i+1) - y)*255.; /* find the line position */ for (tlp = tp->tl.next; tlp != NULL; tlp = tlp->next) if (--i < 0) @@ -297,7 +296,7 @@ OBJREC *m; if (tlp == NULL || h >= tlp->width) return(0); for (i = 0; (h -= tlp->spc[i]) >= 0; i++) - if (h < 256 && inglyph(h+x, y, + if (h < 255 && inglyph(h+x, y, tp->f->fg[TLSTR(tlp)[i]&0xff])) return(1); return(0); @@ -305,7 +304,7 @@ OBJREC *m; inglyph(x, y, gl) /* (x,y) within font glyph gl? */ -double x, y; /* real coordinates in range [0,256) */ +double x, y; /* real coordinates in range [0,255) */ register GLYPH *gl; { int n, ncross;