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-rw-r--r--libX11/src/DrPoint.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/libX11/src/DrPoint.c b/libX11/src/DrPoint.c
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+++ b/libX11/src/DrPoint.c
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+/* $Xorg: DrPoint.c,v 1.4 2001/02/09 02:03:32 xorgcvs Exp $ */
+/*
+
+Copyright 1986, 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.
+
+*/
+/* $XFree86: xc/lib/X11/DrPoint.c,v 1.3 2001/01/17 19:41:34 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+/* precompute the maximum size of batching request allowed */
+
+#define size (SIZEOF(xPolyPointReq) + PTSPERBATCH * SIZEOF(xPoint))
+
+int
+XDrawPoint(
+ register Display *dpy,
+ Drawable d,
+ GC gc,
+ int x,
+ int y) /* INT16 */
+{
+ xPoint *point;
+#ifdef MUSTCOPY
+ xPoint pointdata;
+ long len = SIZEOF(xPoint);
+
+ point = &pointdata;
+#endif /* MUSTCOPY */
+
+ LockDisplay(dpy);
+ FlushGC(dpy, gc);
+
+ {
+ register xPolyPointReq *req = (xPolyPointReq *) dpy->last_req;
+
+
+ /* if same as previous request, with same drawable, batch requests */
+ if (
+ (req->reqType == X_PolyPoint)
+ && (req->drawable == d)
+ && (req->gc == gc->gid)
+ && (req->coordMode == CoordModeOrigin)
+ && ((dpy->bufptr + SIZEOF(xPoint)) <= dpy->bufmax)
+ && (((char *)dpy->bufptr - (char *)req) < size) ) {
+ req->length += SIZEOF(xPoint) >> 2;
+#ifndef MUSTCOPY
+ point = (xPoint *) dpy->bufptr;
+ dpy->bufptr += SIZEOF(xPoint);
+#endif /* not MUSTCOPY */
+ }
+
+ else {
+ GetReqExtra(PolyPoint, 4, req); /* 1 point = 4 bytes */
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->coordMode = CoordModeOrigin;
+#ifdef MUSTCOPY
+ dpy->bufptr -= SIZEOF(xPoint);
+#else
+ point = (xPoint *) NEXTPTR(req,xPolyPointReq);
+#endif /* MUSTCOPY */
+ }
+
+ point->x = x;
+ point->y = y;
+
+#ifdef MUSTCOPY
+ Data (dpy, (char *) point, len);
+#endif /* MUSTCOPY */
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return 1;
+}
+