AllPlanes.c revision 366
/* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons
* to whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* 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
* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Except as contained in this notice, the name of a copyright holder
* shall not be used in advertising or otherwise to promote the sale, use
* or other dealings in this Software without prior written authorization
* of the copyright holder.
*/
#pragma ident "@(#)AllPlanes.c 35.6 08/03/12 SMI"
/*
* AllPlanes.c - the client side interface to the SUN_ALLPLANES extension.
*/
#define NEED_EVENTS
#define NEED_REPLIES
#include <stdio.h>
#include <X11/Xlibint.h>
#include <X11/extensions/Xext.h>
#include <X11/extensions/extutil.h>
#include <X11/extensions/allplanesstr.h>
static int close_display();
static XExtensionInfo *ext_info;
static char *ext_name = ALLPLANESNAME;
static XExtensionHooks ext_hooks = {
NULL, /* create_gc */
NULL, /* copy_gc */
NULL, /* flush_gc */
NULL, /* free_gc */
NULL, /* create_font */
NULL, /* free_font */
close_display, /* close_display */
NULL, /* wire_to_event */
NULL, /* event_to_wire */
NULL, /* error */
NULL, /* error_string */
};
static
XEXT_GENERATE_CLOSE_DISPLAY(close_display,
ext_info)
static
XEXT_GENERATE_FIND_DISPLAY(find_display,
ext_info, ext_name, &ext_hooks,
AllPlanesNumberEvents, NULL)
#define AllPlanesCheckExtension(dpy,i,val) \
XextCheckExtension (dpy, i, ext_name, val)
#define AllPlanesSimpleCheckExtension(dpy,i) \
XextSimpleCheckExtension (dpy, i, ext_name)
/**********************************************************************/
Bool
XAllPlanesQueryExtension(dpy, event_basep, error_basep)
Display *dpy;
int *event_basep,
*error_basep;
{
XExtDisplayInfo *info = find_display(dpy);
if (XextHasExtension(info)) {
*event_basep = info->codes->first_event;
*error_basep = info->codes->first_error;
return True;
} else {
return False;
}
}
Status
XAllPlanesQueryVersion(dpy, major_versionp, minor_versionp)
Display *dpy;
int *major_versionp,
*minor_versionp;
{
XExtDisplayInfo *info = find_display(dpy);
xAllPlanesQueryVersionReply rep;
xAllPlanesQueryVersionReq *req;
AllPlanesCheckExtension(dpy, info, 0);
LockDisplay(dpy);
GetReq(AllPlanesQueryVersion, req);
req->reqType = info->codes->major_opcode;
req->allplanesReqType = X_AllPlanesQueryVersion;
if (!_XReply(dpy, (xReply *) & rep, 0, xTrue)) {
UnlockDisplay(dpy);
SyncHandle();
return 0;
}
*major_versionp = rep.majorVersion;
*minor_versionp = rep.minorVersion;
UnlockDisplay(dpy);
SyncHandle();
return 1;
}
void
XAllPlanesDrawPoints(dpy, d, points, n_points, mode)
Display *dpy;
Drawable d;
XPoint *points;
int n_points;
int mode; /* CoordMode */
{
XExtDisplayInfo *info = find_display(dpy);
xAllPlanesPolyPointReq *req;
long nbytes;
int n;
int xoff,
yoff;
XPoint pt;
AllPlanesSimpleCheckExtension(dpy, info);
xoff = yoff = 0;
LockDisplay(dpy);
while (n_points) {
GetReq(AllPlanesPolyPoint, req);
req->reqType = info->codes->major_opcode;
req->allplanesReqType = X_AllPlanesPolyPoint;
req->drawable = d;
req->coordMode = mode;
n = n_points;
if (n > (dpy->max_request_size - req->length))
n = dpy->max_request_size - req->length;
req->length += n;
nbytes = ((long) n) << 2;
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)) {
XPoint *pptr = points;
points += n;
while (pptr != points) {
xoff += pptr->x;
yoff += pptr->y;
pptr++;
}
} else
points += n;
}
UnlockDisplay(dpy);
SyncHandle();
}
void
XAllPlanesDrawLines(dpy, d, points, npoints, mode)
Display *dpy;
Drawable d;
XPoint *points;
int npoints;
int mode;
{
XExtDisplayInfo *info = find_display(dpy);
xAllPlanesPolyLineReq *req;
long len;
AllPlanesSimpleCheckExtension(dpy, info);
LockDisplay(dpy);
GetReq(AllPlanesPolyLine, req);
req->reqType = info->codes->major_opcode;
req->allplanesReqType = X_AllPlanesPolyLine;
req->drawable = d;
req->coordMode = mode;
if ((req->length + npoints) > 65535)
npoints = 65535 - req->length; /* force BadLength, if possible */
req->length += npoints;
/* each point is 2 16-bit integers */
len = npoints << 2;
Data16(dpy, (short *) points, len);
UnlockDisplay(dpy);
SyncHandle();
}
void
XAllPlanesDrawSegments(dpy, d, segments, nsegments)
Display *dpy;
Drawable d;
XSegment *segments;
int nsegments;
{
XExtDisplayInfo *info = find_display(dpy);
xAllPlanesPolySegmentReq *req;
long len;
int n;
AllPlanesSimpleCheckExtension(dpy, info);
LockDisplay(dpy);
while (nsegments) {
GetReq(AllPlanesPolySegment, req);
req->reqType = info->codes->major_opcode;
req->allplanesReqType = X_AllPlanesPolySegment;
req->drawable = d;
n = nsegments;
len = ((long) n) << 1;
if (len > (dpy->max_request_size - req->length)) {
n = (dpy->max_request_size - req->length) >> 1;
len = ((long) n) << 1;
}
req->length += len;
len <<= 2;
Data16(dpy, (short *) segments, len);
nsegments -= n;
segments += n;
}
UnlockDisplay(dpy);
SyncHandle();
}
void
XAllPlanesDrawRectangles(dpy, d, rects, n_rects)
Display *dpy;
Drawable d;
XRectangle *rects;
int n_rects;
{
XExtDisplayInfo *info = find_display(dpy);
xAllPlanesPolyRectangleReq *req;
long len;
int n;
AllPlanesSimpleCheckExtension(dpy, info);
LockDisplay(dpy);
while (n_rects) {
GetReq(AllPlanesPolyRectangle, req);
req->reqType = info->codes->major_opcode;
req->allplanesReqType = X_AllPlanesPolyRectangle;
req->drawable = d;
n = n_rects;
len = ((long) n) << 1;
if (len > (dpy->max_request_size - req->length)) {
n = (dpy->max_request_size - req->length) >> 1;
len = ((long) n) << 1;
}
req->length += len;
len <<= 2;
Data16(dpy, (short *) rects, len);
n_rects -= n;
rects += n;
}
UnlockDisplay(dpy);
SyncHandle();
}
void
XAllPlanesFillRectangles(dpy, d, rectangles, n_rects)
Display *dpy;
Drawable d;
XRectangle *rectangles;
int n_rects;
{
XExtDisplayInfo *info = find_display(dpy);
xAllPlanesPolyFillRectangleReq *req;
long len;
int n;
AllPlanesSimpleCheckExtension(dpy, info);
LockDisplay(dpy);
while (n_rects) {
GetReq(AllPlanesPolyFillRectangle, req);
req->reqType = info->codes->major_opcode;
req->allplanesReqType = X_AllPlanesPolyFillRectangle;
req->drawable = d;
n = n_rects;
len = ((long) n) << 1;
if (len > (dpy->max_request_size - req->length)) {
n = (dpy->max_request_size - req->length) >> 1;
len = ((long) n) << 1;
}
req->length += len;
len <<= 2;
Data16(dpy, (short *) rectangles, len);
n_rects -= n;
rectangles += n;
}
UnlockDisplay(dpy);
SyncHandle();
}