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

conn The XCB connection to X11.

cid The ID with which you will refer to the graphics context,
created by xcb_generate_id.

drawable Drawable to get the root/depth from.

value_mask
TODO: NOT YET DOCUMENTED.

value_list
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

xcb_alloc_error_t
The X server could not allocate the requested resources (no
memory?).

xcb_drawable_error_t
The specified drawable (Window or Pixmap) does not exist.

xcb_font_error_t
TODO: reasons?

xcb_match_error_t
TODO: reasons?

xcb_pixmap_error_t
TODO: reasons?

xcb_value_error_t
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.

X Version 11 libxcb 1.16.1 xcb_create_gc(3)