Files
gb28181/GB28181Device/media/xcb_util.cpp
2024-12-15 20:42:32 +08:00

61 lines
1.7 KiB
C++

/***************************************************************************************
*
* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
*
* By downloading, copying, installing or using the software you agree to this license.
* If you do not agree to this license, do not download, install,
* copy or use the software.
*
* Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
*
* Redistribution and use in binary forms, with or without modification, are permitted.
*
* 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 "sys_inc.h"
#include "xcb_util.h"
xcb_screen_t * xcb_get_screen(const xcb_setup_t *setup, int screen_num)
{
xcb_screen_iterator_t it = xcb_setup_roots_iterator(setup);
xcb_screen_t *screen = NULL;
for (; it.rem > 0; xcb_screen_next(&it))
{
if (!screen_num)
{
screen = it.data;
break;
}
screen_num--;
}
return screen;
}
xcb_atom_t xcb_get_atom(xcb_connection_t * c, const char * atom_name)
{
xcb_atom_t atom;
xcb_intern_atom_cookie_t cookie;
xcb_intern_atom_reply_t *reply;
cookie = xcb_intern_atom(c, false, strlen(atom_name), atom_name);
reply = xcb_intern_atom_reply(c, cookie, NULL);
if (NULL != reply)
{
atom = reply->atom;
free(reply);
return atom;
}
return 0;
}