diff options
author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
---|---|---|
committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/X11/DrLine.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-nx-X11/3.1.0-1.tar.gz nx-libs-nx-X11/3.1.0-1.tar.bz2 nx-libs-nx-X11/3.1.0-1.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/lib/X11/DrLine.c')
-rw-r--r-- | nx-X11/lib/X11/DrLine.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/DrLine.c b/nx-X11/lib/X11/DrLine.c new file mode 100644 index 000000000..59095069b --- /dev/null +++ b/nx-X11/lib/X11/DrLine.c @@ -0,0 +1,100 @@ +/* $Xorg: DrLine.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/DrLine.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 wsize (SIZEOF(xPolySegmentReq) + WLNSPERBATCH * SIZEOF(xSegment)) +#define zsize (SIZEOF(xPolySegmentReq) + ZLNSPERBATCH * SIZEOF(xSegment)) + +int +XDrawLine (dpy, d, gc, x1, y1, x2, y2) + register Display *dpy; + Drawable d; + GC gc; + int x1, y1, x2, y2; +{ + register xSegment *segment; +#ifdef MUSTCOPY + xSegment segmentdata; + long len = SIZEOF(xSegment); + + segment = &segmentdata; +#endif /* not MUSTCOPY */ + + LockDisplay(dpy); + FlushGC(dpy, gc); + + { + register xPolySegmentReq *req = (xPolySegmentReq *) dpy->last_req; + + /* if same as previous request, with same drawable, batch requests */ + if ( + (req->reqType == X_PolySegment) + && (req->drawable == d) + && (req->gc == gc->gid) + && ((dpy->bufptr + SIZEOF(xSegment)) <= dpy->bufmax) + && (((char *)dpy->bufptr - (char *)req) < (gc->values.line_width ? + wsize : zsize)) ) { + req->length += SIZEOF(xSegment) >> 2; +#ifndef MUSTCOPY + segment = (xSegment *) dpy->bufptr; + dpy->bufptr += SIZEOF(xSegment); +#endif /* not MUSTCOPY */ + } + + else { + GetReqExtra (PolySegment, SIZEOF(xSegment), req); + req->drawable = d; + req->gc = gc->gid; +#ifdef MUSTCOPY + dpy->bufptr -= SIZEOF(xSegment); +#else + segment = (xSegment *) NEXTPTR(req,xPolySegmentReq); +#endif /* MUSTCOPY */ + } + + segment->x1 = x1; + segment->y1 = y1; + segment->x2 = x2; + segment->y2 = y2; + +#ifdef MUSTCOPY + Data (dpy, (char *) &segmentdata, len); +#endif /* MUSTCOPY */ + + UnlockDisplay(dpy); + SyncHandle(); + } + return 1; +} + |