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-rw-r--r--libX11/src/DrPoints.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/libX11/src/DrPoints.c b/libX11/src/DrPoints.c
new file mode 100644
index 000000000..aff96ba68
--- /dev/null
+++ b/libX11/src/DrPoints.c
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+/* $Xorg: DrPoints.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/DrPoints.c,v 1.3 2001/01/17 19:41:34 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+int
+XDrawPoints(
+ register Display *dpy,
+ Drawable d,
+ GC gc,
+ XPoint *points,
+ int n_points,
+ int mode) /* CoordMode */
+{
+ register xPolyPointReq *req;
+ register long nbytes;
+ int n;
+ int xoff, yoff;
+ XPoint pt;
+
+ xoff = yoff = 0;
+ LockDisplay(dpy);
+ FlushGC(dpy, gc);
+ while (n_points) {
+ GetReq(PolyPoint, req);
+ req->drawable = d;
+ req->gc = gc->gid;
+ req->coordMode = mode;
+ n = n_points;
+ if (!dpy->bigreq_size && n > (dpy->max_request_size - req->length))
+ n = dpy->max_request_size - req->length;
+ SetReqLen(req, n, n);
+ nbytes = ((long)n) << 2; /* watch out for macros... */
+ if (xoff || yoff) {
+ pt.x = xoff + points->x;
+ pt.y = yoff + points->y;
+ Data16 (dpy, (short *) &pt, 4);
+ if (nbytes > 4) {
+ Data16 (dpy, (short *) (points + 1), nbytes - 4);
+ }
+ } else {
+ Data16 (dpy, (short *) points, nbytes);
+ }
+ n_points -= n;
+ if (n_points && (mode == CoordModePrevious)) {
+ register XPoint *pptr = points;
+ points += n;
+ while (pptr != points) {
+ xoff += pptr->x;
+ yoff += pptr->y;
+ pptr++;
+ }
+ } else
+ points += n;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return 1;
+}