xcb_poly_segment(3) XCB Requests xcb_poly_segment(3)NAME
xcb_poly_segment - draw lines
SYNOPSIS
#include <xcb/xproto.h>
Request function
xcb_void_cookie_t xcb_poly_segment(xcb_connection_t *conn,
xcb_drawable_t drawable, xcb_gcontext_t gc,
uint32_t segments_len, const xcb_segment_t *segments);
REQUEST ARGUMENTS
conn The XCB connection to X11.
drawable A drawable (Window or Pixmap) to draw on.
gc The graphics context to use.
TODO: document which attributes of a gc are used
segments_len
The number of xcb_segment_t structures in segments.
segments An array of xcb_segment_t structures.
DESCRIPTION
Draws multiple, unconnected lines. For each segment, a line is drawn
between (x1, y1) and (x2, y2). The lines are drawn in the order listed
in the array of xcb_segment_t structures and does not perform joining
at coincident endpoints. For any given line, a pixel is not drawn more
than once. If lines intersect, the intersecting pixels are drawn multi‐
ple times.
TODO: include the xcb_segment_t data structure
TODO: an example
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_poly_segment_checked. See xcb-requests(3) for details.
ERRORS
xcb_drawable_error_t
The specified drawable does not exist.
xcb_gc_error_t
The specified gc does not exist.
xcb_match_error_t
TODO: reasons?
SEE ALSOxcb-requests(3)AUTHOR
Generated from xproto.xml. Contact xcb@lists.freedesktop.org for cor‐
rections and improvements.
XCB 2013-07-27 xcb_poly_segment(3)
