FreeRDP/server/X11/xf_encode.c
2012-01-09 22:08:25 -05:00

50 lines
1.2 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* X11 RemoteFX Encoder
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <X11/Xlib.h>
#include "xf_encode.h"
XImage* xf_snapshot(xfPeerContext* xfp, int x, int y, int width, int height)
{
XImage* image;
xfInfo* xfi = xfp->info;
pthread_mutex_lock(&(xfp->mutex));
if (xfi->use_xshm)
{
XCopyArea(xfi->display, xfi->root_window, xfi->fb_pixmap,
xfi->xdamage_gc, x, y, width, height, x, y);
XSync(xfi->display, False);
image = xfi->fb_image;
}
else
{
image = XGetImage(xfi->display, xfi->root_window,
x, y, width, height, AllPlanes, ZPixmap);
}
pthread_mutex_unlock(&(xfp->mutex));
return image;
}