diff options
Diffstat (limited to 'libX11/src/DrPoint.c')
-rw-r--r-- | libX11/src/DrPoint.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/libX11/src/DrPoint.c b/libX11/src/DrPoint.c new file mode 100644 index 000000000..6ad067848 --- /dev/null +++ b/libX11/src/DrPoint.c @@ -0,0 +1,99 @@ +/* $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; +} + |