diff options
Diffstat (limited to 'nx-X11/lib/X11/DrPoints.c')
-rw-r--r-- | nx-X11/lib/X11/DrPoints.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/DrPoints.c b/nx-X11/lib/X11/DrPoints.c new file mode 100644 index 000000000..287fa057d --- /dev/null +++ b/nx-X11/lib/X11/DrPoints.c @@ -0,0 +1,85 @@ +/* + +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. + +*/ + +#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; +} |