/* * $XConsortium: TextEscBd.c,v 1.11 91/05/02 16:34:15 rws Exp $ *//* * Copyright 1990, 1991 by OMRON Corporation, NTT Software Corporation, *                      and Nippon Telegraph and Telephone Corporation * Copyright 1991 by the Massachusetts Institute of Technology * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the names of OMRON, NTT Software, NTT, and M.I.T. * not be used in advertising or publicity pertaining to distribution of the * software without specific, written prior permission. OMRON, NTT Software, * NTT, and M.I.T. make no representations about the suitability of this * software for any purpose.  It is provided "as is" without express or * implied warranty. * * OMRON, NTT SOFTWARE, NTT, AND M.I.T. DISCLAIM ALL WARRANTIES WITH REGARD * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS, IN NO EVENT SHALL OMRON, NTT SOFTWARE, NTT, OR M.I.T. BE * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. *  *	Author: Li Yuhong	OMRON Corporation *    *//************************************************************************* *                                                                       * *     TextEscapementBody.c -- body of functions:                        * *                               XmbTextEscapement()                     * *                               XwcTextEscapement()                     * *                                                                       * *************************************************************************//*--------------------------- BEGIN -------------------------------------*/#ifdef DecomposeGlyphCharset    XLocale	    xlocale = ((XsiFontSet)font_set)->xlc;    XFontStruct    *fnt;    char            gstr[BUFSIZ];    int		    ctid;    int             glen, escapement;    int             scanned, ret;#ifdef XML    if (!xlocale)	xlocale = _XFallBackConvert();#endif    escapement = 0;    _Xmbinit(xlocale);    _Xctinit(xlocale);    while (text_len > 0) {        /* buffer size */        glen = BUFSIZ;        scanned = 0;        ret = DecomposeGlyphCharset(xlocale, text, text_len,                (unsigned char *)gstr, &glen, &scanned, &ctid);        /*         * if ret is BadEncoding, uncovered wrong codepoint, must stop!         */        if (ret == BadEncoding || scanned == 0)            break;        /*          * if missing font, no drawing or measuring         */        if ((fnt =_XsiQueryFontSetFromId(font_set, ctid)) != NULL) {            /*             * only 1 or 2 byte-encoding font supported by X.             */            if (fnt->min_byte1 == 0 && fnt->max_byte1 == 0) {                escapement += XTextWidth(fnt, gstr, glen);            } else {                escapement += XTextWidth16(fnt, (XChar2b *)gstr, (int)(glen/2));            }        }        if (ret == BadTerminate)            /* The passed string "text" is terminated unexpectly, stop!*/            break;        text += scanned;        text_len -= scanned;    }    return escapement;#endif/*--------------------------- END ---------------------------------------*/