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102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/* $Xorg: ImText.c,v 1.4 2001/02/09 02:03:34 xorgcvs Exp $ */
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/*
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Copyright 1986, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/* $XFree86: xc/lib/X11/ImText.c,v 1.5 2003/11/17 22:20:07 dawes Exp $ */
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#define NEED_REPLIES
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#include "Xlibint.h"
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int
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XDrawImageString(
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register Display *dpy,
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Drawable d,
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GC gc,
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int x,
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int y,
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_Xconst char *string,
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int length)
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{
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register xImageText8Req *req;
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char *CharacterOffset = (char *)string;
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int FirstTimeThrough = True;
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int lastX = 0;
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LockDisplay(dpy);
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FlushGC(dpy, gc);
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while (length > 0)
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{
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int Unit;
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if (length > 255) Unit = 255;
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else Unit = length;
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if (FirstTimeThrough)
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{
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FirstTimeThrough = False;
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}
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else
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{
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char buf[512];
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char *ptr, *str;
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xQueryTextExtentsReq *qreq;
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xQueryTextExtentsReply rep;
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int i;
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GetReq(QueryTextExtents, qreq);
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qreq->fid = gc->gid;
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qreq->length += (510 + 3)>>2;
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qreq->oddLength = 1;
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str = CharacterOffset - 255;
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for (ptr = buf, i = 255; --i >= 0; ) {
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*ptr++ = 0;
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*ptr++ = *str++;
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}
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Data (dpy, buf, 510);
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if (!_XReply (dpy, (xReply *)&rep, 0, xTrue))
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break;
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x = lastX + cvtINT32toInt (rep.overallWidth);
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}
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GetReq (ImageText8, req);
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req->length += (Unit + 3) >> 2;
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req->nChars = Unit;
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req->drawable = d;
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req->gc = gc->gid;
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req->y = y;
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lastX = req->x = x;
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Data (dpy, CharacterOffset, (long)Unit);
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CharacterOffset += Unit;
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length -= Unit;
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}
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UnlockDisplay(dpy);
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SyncHandle();
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return 0;
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}
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