2. EL 7
  3. libxcb-devel
  4. xcb_create_gc(3)

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xcb_create_gc(3) XCB Requests xcb_create_gc(3)

NAME

xcb_create_gc - Creates a graphics context

SYNOPSIS

#include <xcb/xproto.h>

Request function

xcb_void_cookie_t xcb_create_gc(xcb_connection_t *conn, xcb_gcontext_t cid, xcb_drawable_t drawable, uint32_t value_mask, const void *value_list);

REQUEST ARGUMENTS

The XCB connection to X11.
The ID with which you will refer to the graphics context, created by xcb_generate_id.
Drawable to get the root/depth from.
TODO: NOT YET DOCUMENTED.
TODO: NOT YET DOCUMENTED.

DESCRIPTION

Creates a graphics context. The graphics context can be used with any drawable that has the same root and depth as the specified drawable.

RETURN VALUE

Returns an xcb_void_cookie_t. Errors (if any) have to be handled in the event loop.

If you want to handle errors directly with xcb_request_check instead, use xcb_create_gc_checked. See xcb-requests(3) for details.

ERRORS

The X server could not allocate the requested resources (no memory?).
The specified drawable (Window or Pixmap) does not exist.
TODO: reasons?
TODO: reasons?
TODO: reasons?
TODO: reasons?

SEE ALSO

xcb-requests(3), xcb_generate_id(3)

AUTHOR

Generated from xproto.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.

libxcb 1.13 X Version 11