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Diffstat (limited to 'src/QuTextExt.c')
-rw-r--r-- | src/QuTextExt.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/QuTextExt.c b/src/QuTextExt.c new file mode 100644 index 00000000..bcf8ee17 --- /dev/null +++ b/src/QuTextExt.c @@ -0,0 +1,90 @@ +/* $Xorg: QuTextExt.c,v 1.5 2001/02/09 02:03:35 xorgcvs Exp $ */ +/* + +Copyright 1986, 1987, 1998 The Open Group + +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. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +*/ + +#define NEED_REPLIES +#include "Xlibint.h" + +#if NeedFunctionPrototypes +XQueryTextExtents ( + register Display *dpy, + Font fid, + register _Xconst char *string, + register int nchars, + int *dir, + int *font_ascent, + int *font_descent, + register XCharStruct *overall) +#else +XQueryTextExtents (dpy, fid, string, nchars, dir, font_ascent, font_descent, + overall) + register Display *dpy; + Font fid; + register char *string; + register int nchars; + int *dir; + int *font_ascent, *font_descent; + register XCharStruct *overall; +#endif +{ + register int i; + register char *ptr; + char *buf; + xQueryTextExtentsReply rep; + long nbytes; + register xQueryTextExtentsReq *req; + + LockDisplay(dpy); + nbytes = nchars << 1; + GetReq(QueryTextExtents, req); + req->fid = fid; + if ((buf = _XAllocScratch (dpy, (unsigned long) nbytes))) { + req->length += (nbytes + 3)>>2; + req->oddLength = nchars & 1; + for (ptr = buf, i = nchars; --i >= 0;) { + *ptr++ = 0; + *ptr++ = *string++; + } + Data (dpy, buf, nbytes); + } + if (!_XReply (dpy, (xReply *)&rep, 0, xTrue) || !buf) { + UnlockDisplay(dpy); + SyncHandle(); + return 0; + } + *dir = rep.drawDirection; + *font_ascent = cvtINT16toInt (rep.fontAscent); + *font_descent = cvtINT16toInt (rep.fontDescent); + overall->ascent = (short) cvtINT16toShort (rep.overallAscent); + overall->descent = (short) cvtINT16toShort (rep.overallDescent); + /* XXX bogus - we're throwing away information!!! */ + overall->width = (short) cvtINT32toInt (rep.overallWidth); + overall->lbearing = (short) cvtINT32toInt (rep.overallLeft); + overall->rbearing = (short) cvtINT32toInt (rep.overallRight); + UnlockDisplay(dpy); + SyncHandle(); + return 1; +} |