11ab64890Smrg/*
21ab64890Smrg
31ab64890SmrgCopyright 1986, 1987, 1998  The Open Group
41ab64890Smrg
51ab64890SmrgPermission to use, copy, modify, distribute, and sell this software and its
61ab64890Smrgdocumentation for any purpose is hereby granted without fee, provided that
71ab64890Smrgthe above copyright notice appear in all copies and that both that
81ab64890Smrgcopyright notice and this permission notice appear in supporting
91ab64890Smrgdocumentation.
101ab64890Smrg
111ab64890SmrgThe above copyright notice and this permission notice shall be included in
121ab64890Smrgall copies or substantial portions of the Software.
131ab64890Smrg
141ab64890SmrgTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
151ab64890SmrgIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
161ab64890SmrgFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
171ab64890SmrgOPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
181ab64890SmrgAN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
191ab64890SmrgCONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
201ab64890Smrg
211ab64890SmrgExcept as contained in this notice, the name of The Open Group shall not be
221ab64890Smrgused in advertising or otherwise to promote the sale, use or other dealings
231ab64890Smrgin this Software without prior written authorization from The Open Group.
241ab64890Smrg
251ab64890Smrg*/
261ab64890Smrg
271ab64890Smrg#ifdef HAVE_CONFIG_H
281ab64890Smrg#include <config.h>
291ab64890Smrg#endif
301ab64890Smrg#include "Xlibint.h"
311ab64890Smrg
321ab64890Smrgint
331ab64890SmrgXQueryTextExtents (
341ab64890Smrg    register Display *dpy,
351ab64890Smrg    Font fid,
361ab64890Smrg    register _Xconst char *string,
371ab64890Smrg    register int nchars,
381ab64890Smrg    int *dir,
391ab64890Smrg    int *font_ascent,
401ab64890Smrg    int *font_descent,
411ab64890Smrg    register XCharStruct *overall)
421ab64890Smrg{
431ab64890Smrg    register int i;
441ab64890Smrg    register char *ptr;
451ab64890Smrg    char *buf;
461ab64890Smrg    xQueryTextExtentsReply rep;
471ab64890Smrg    long nbytes;
481ab64890Smrg    register xQueryTextExtentsReq *req;
491ab64890Smrg
501ab64890Smrg    LockDisplay(dpy);
511ab64890Smrg    nbytes = nchars << 1;
521ab64890Smrg    GetReq(QueryTextExtents, req);
531ab64890Smrg    req->fid = fid;
541ab64890Smrg    if ((buf = _XAllocScratch (dpy, (unsigned long) nbytes))) {
551ab64890Smrg	req->length += (nbytes + 3)>>2;
561ab64890Smrg	req->oddLength = nchars & 1;
571ab64890Smrg	for (ptr = buf, i = nchars; --i >= 0;) {
581ab64890Smrg	    *ptr++ = 0;
591ab64890Smrg	    *ptr++ = *string++;
601ab64890Smrg	}
611ab64890Smrg	Data (dpy, buf, nbytes);
621ab64890Smrg    }
631ab64890Smrg    if (!_XReply (dpy, (xReply *)&rep, 0, xTrue) || !buf) {
641ab64890Smrg        UnlockDisplay(dpy);
651ab64890Smrg	SyncHandle();
661ab64890Smrg	return 0;
671ab64890Smrg    }
681ab64890Smrg    *dir = rep.drawDirection;
691ab64890Smrg    *font_ascent = cvtINT16toInt (rep.fontAscent);
701ab64890Smrg    *font_descent = cvtINT16toInt (rep.fontDescent);
711ab64890Smrg    overall->ascent = (short) cvtINT16toShort (rep.overallAscent);
721ab64890Smrg    overall->descent = (short) cvtINT16toShort (rep.overallDescent);
731ab64890Smrg    /* XXX bogus - we're throwing away information!!! */
741ab64890Smrg    overall->width  = (short) cvtINT32toInt (rep.overallWidth);
751ab64890Smrg    overall->lbearing = (short) cvtINT32toInt (rep.overallLeft);
761ab64890Smrg    overall->rbearing = (short) cvtINT32toInt (rep.overallRight);
771ab64890Smrg    UnlockDisplay(dpy);
781ab64890Smrg    SyncHandle();
791ab64890Smrg    return 1;
801ab64890Smrg}
81