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-rw-r--r--libX11/src/DrArc.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/libX11/src/DrArc.c b/libX11/src/DrArc.c
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+/* $Xorg: DrArc.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/DrArc.c,v 1.3 2001/01/17 19:41:34 dawes Exp $ */
+
+/* Note to future maintainers: XDrawArc does NOT batch successive PolyArc
+ requests into a single request like XDrawLine, XDrawPoint, etc.
+ We don't do this because X_PolyArc applies the GC's join-style if
+ the last point in one arc coincides with the first point in another.
+ The client wouldn't expect this and would have no easy way to defeat it. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+int
+XDrawArc(
+ register Display *dpy,
+ Drawable d,
+ GC gc,
+ int x,
+ int y, /* INT16 */
+ unsigned int width,
+ unsigned int height, /* CARD16 */
+ int angle1,
+ int angle2) /* INT16 */
+{
+ register xPolyArcReq *req;
+ register xArc *arc;
+#ifdef MUSTCOPY
+ xArc arcdata;
+ long len = SIZEOF(xArc);
+
+ arc = &arcdata;
+#endif /* MUSTCOPY */
+
+ LockDisplay(dpy);
+ FlushGC(dpy, gc);
+ GetReqExtra (PolyArc, SIZEOF(xArc), req);
+
+ req->drawable = d;
+ req->gc = gc->gid;
+
+#ifndef MUSTCOPY
+ arc = (xArc *) NEXTPTR(req,xPolyArcReq);
+#endif /* MUSTCOPY */
+
+ arc->x = x;
+ arc->y = y;
+ arc->width = width;
+ arc->height = height;
+ arc->angle1 = angle1;
+ arc->angle2 = angle2;
+
+#ifdef MUSTCOPY
+ dpy->bufptr -= SIZEOF(xArc);
+ Data (dpy, (char *) arc, len);
+#endif /* MUSTCOPY */
+
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return 1;
+}