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-rw-r--r--src/rmd_getzpixmap.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/src/rmd_getzpixmap.c b/src/rmd_getzpixmap.c
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+++ b/src/rmd_getzpixmap.c
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+/******************************************************************************
+* 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;
+}
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