diff options
Diffstat (limited to 'src/rmd_getzpixmap.c')
-rw-r--r-- | src/rmd_getzpixmap.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/rmd_getzpixmap.c b/src/rmd_getzpixmap.c new file mode 100644 index 0000000..43465c8 --- /dev/null +++ b/src/rmd_getzpixmap.c @@ -0,0 +1,117 @@ +/****************************************************************************** +* recordMyDesktop * +******************************************************************************* +* * +* Copyright (C) 2006,2007,2008 John Varouhakis * +* * +* * +* This program is free software; you can redistribute it and/or modify * +* it under the terms of the GNU General Public License as published by * +* the Free Software Foundation; either version 2 of the License, or * +* (at your option) any later version. * +* * +* This program is distributed in the hope that it will be useful, * +* but WITHOUT ANY WARRANTY; without even the implied warranty of * +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * +* GNU General Public License for more details. * +* * +* You should have received a copy of the GNU General Public License * +* along with this program; if not, write to the Free Software * +* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * +* * +* * +* * +* For further information contact me at johnvarouhakis@gmail.com * +******************************************************************************/ + +#include "config.h" +#include "rmd_getzpixmap.h" + +#include "rmd_types.h" + + +#include <X11/Xlib.h> +#include <X11/Xlibint.h> +#include <X11/extensions/shmproto.h> +#include <X11/extensions/XShm.h> + + + +int rmdGetZPixmap( Display *dpy, + Window root, + char *data, + int x, + int y, + int width, + int height) { + + xGetImageReply reply; + xGetImageReq *request; + long nbytes; + + LockDisplay(dpy); + GetReq(GetImage, request); + request->drawable = root; + request->x = x; + request->y = y; + request->width = width; + request->height = height; + request->planeMask = AllPlanes; + request->format = ZPixmap; + + if (!_XReply(dpy, (xReply *)&reply, 0, xFalse) || !reply.length) { + UnlockDisplay(dpy); + SyncHandle(); + + return 1; + } + + nbytes = (long)reply.length << 2; + _XReadPad(dpy, data, nbytes); + UnlockDisplay(dpy); + SyncHandle(); + + return 0; +} + +int rmdGetZPixmapSHM( Display *dpy, + Window root, + XShmSegmentInfo *shminfo, + int shm_opcode, + char *data, + int x, + int y, + int width, + int height) { + + xShmGetImageReply reply; + xShmGetImageReq *request = NULL; + + LockDisplay(dpy); + GetReq(ShmGetImage, request); + + request->reqType = shm_opcode; + request->shmReqType = X_ShmGetImage; + request->shmseg = shminfo->shmseg; + + request->drawable = root; + request->x = x; + request->y = y; + request->width = width; + request->height = height; + request->planeMask = AllPlanes; + request->format = ZPixmap; + request->offset = data - shminfo->shmaddr; + + if ((!_XReply(dpy, (xReply *)&reply, 0, xFalse)) || !reply.length) { + UnlockDisplay(dpy); + SyncHandle(); + + return 1; + } + + UnlockDisplay(dpy); + SyncHandle(); + + return 0; +} |