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#include "copyright.h" |
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#include "ray.h" |
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#include "paths.h" |
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#include "otypes.h" |
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#include "rtotypes.h" |
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#include "font.h" |
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/* |
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TLINE tl; /* line list */ |
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} TEXT; |
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TEXT *gettext(); |
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static TLINE * tlalloc(char *s); |
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static TEXT * gettext(OBJREC *tm); |
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static int intext(FVECT p, OBJREC *m); |
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static int inglyph(double x, double y, GLYPH *gl); |
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TLINE *tlalloc(); |
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do_text(m, r) |
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register OBJREC *m; |
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RAY *r; |
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int |
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do_text( |
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OBJREC *m, |
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RAY *r |
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) |
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{ |
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FVECT v; |
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int foreground; |
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return(1); |
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} |
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} else if (m->otype == PAT_BTEXT) { |
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if (foreground) |
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scalecolor(r->pcol, m->oargs.farg[9]); |
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else |
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scalecolor(r->pcol, m->oargs.farg[10]); |
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if (foreground) { |
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scalescolor(r->pcol, m->oargs.farg[9]); |
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} else { |
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scalescolor(r->pcol, m->oargs.farg[10]); |
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} |
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} else { /* PAT_CTEXT */ |
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COLOR cval; |
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SCOLOR scval; |
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if (foreground) |
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setcolor(cval, m->oargs.farg[9], |
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setscolor(scval, m->oargs.farg[9], |
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m->oargs.farg[10], |
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m->oargs.farg[11]); |
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else |
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setcolor(cval, m->oargs.farg[12], |
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setscolor(scval, m->oargs.farg[12], |
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m->oargs.farg[13], |
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m->oargs.farg[14]); |
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multcolor(r->pcol, cval); |
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smultscolor(r->pcol, scval); |
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} |
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return(0); |
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} |
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TLINE * |
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tlalloc(s) /* allocate and assign text line */ |
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char *s; |
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static TLINE * |
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tlalloc( /* allocate and assign text line */ |
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char *s |
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) |
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{ |
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register int siz; |
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register TLINE *tl; |
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int siz; |
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TLINE *tl; |
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siz = strlen(s) + 1; |
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if ((tl=(TLINE *)malloc(sizeof(TLINE)+siz)) == NULL || |
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} |
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TEXT * |
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gettext(tm) /* get text structure for material */ |
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register OBJREC *tm; |
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static TEXT * |
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gettext( /* get text structure for material */ |
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OBJREC *tm |
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) |
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{ |
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#define R (tm->oargs.farg+3) |
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#define D (tm->oargs.farg+6) |
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FILE *fp; |
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char linbuf[512]; |
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TEXT *t; |
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register int i; |
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register TLINE *tlp; |
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register char *s; |
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int i; |
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TLINE *tlp; |
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char *s; |
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if ((t = (TEXT *)tm->os) != NULL) |
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return(t); |
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getrlibpath(), R_OK)) == NULL) { |
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sprintf(errmsg, "cannot find text file \"%s\"", |
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tm->oargs.sarg[tndx(tm)]); |
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error(USER, errmsg); |
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error(SYSTEM, errmsg); |
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} |
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if ((fp = fopen(s, "r")) == NULL) { |
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sprintf(errmsg, "cannot open text file \"%s\"", s); |
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tlp->next = NULL; |
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/* get the font */ |
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t->f = getfont(tm->oargs.sarg[fndx(tm)]); |
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if (!t->f) |
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objerror(tm, USER, "font load error"); |
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/* compute character spacing */ |
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i = sndx(tm); |
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d = i < tm->oargs.nfargs ? tm->oargs.farg[i] : 0.0; |
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} |
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freetext(m) /* free text structures associated with m */ |
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OBJREC *m; |
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void |
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freetext( /* free text structures associated with m */ |
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OBJREC *m |
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) |
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{ |
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register TEXT *tp; |
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register TLINE *tlp; |
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TEXT *tp; |
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TLINE *tlp; |
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tp = (TEXT *)m->os; |
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if (tp == NULL) |
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} |
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intext(p, m) /* check to see if p is in text glyph */ |
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FVECT p; |
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OBJREC *m; |
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static int |
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intext( /* check to see if p is in text glyph */ |
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FVECT p, |
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OBJREC *m |
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) |
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{ |
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< |
register TEXT *tp; |
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register TLINE *tlp; |
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TEXT *tp; |
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TLINE *tlp; |
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FVECT v; |
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double y, x; |
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register int i, h; |
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int i, h; |
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/* first, compute position in text */ |
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tp = gettext(m); |
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v[0] = p[0] - m->oargs.farg[0]; |
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} |
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inglyph(x, y, gl) /* (x,y) within font glyph gl? */ |
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double x, y; /* real coordinates in range [0,255) */ |
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register GLYPH *gl; |
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> |
static int |
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inglyph( /* (x,y) within font glyph gl? */ |
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double x, /* real coordinates in range [0,255) */ |
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double y, |
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GLYPH *gl |
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) |
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{ |
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int n, ncross; |
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int xlb, ylb; |
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int tv; |
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register GORD *p0, *p1; |
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GORD *p0, *p1; |
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if (gl == NULL) |
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return(0); |
