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xcb_shm_get_image

Section: XCB Requests (3)
Updated: libxcb 1.12
Index Return to Main Contents
 

NAME

xcb_shm_get_image -  

SYNOPSIS

#include <xcb/shm.h>  

Request function

xcb_shm_get_image_cookie_t xcb_shm_get_image(xcb_connection_t *conn, xcb_drawable_t drawable, int16_t x, int16_t y, uint16_t width, uint16_t height, uint32_t plane_mask, uint8_t format, xcb_shm_seg_t shmseg, uint32_t offset);

 

Reply datastructure


typedef struct xcb_shm_get_image_reply_t {
    uint8_t        response_type;
    uint8_t        depth;
    uint16_t       sequence;
    uint32_t       length;
    xcb_visualid_t visual;
    uint32_t       size;
} xcb_shm_get_image_reply_t;
 

Reply function

xcb_shm_get_image_reply_t *xcb_shm_get_image_reply(xcb_connection_t *conn, xcb_shm_get_image_cookie_t cookie, xcb_generic_error_t **e);
 

REQUEST ARGUMENTS

conn
The XCB connection to X11.
drawable
TODO: NOT YET DOCUMENTED.
x
TODO: NOT YET DOCUMENTED.
y
TODO: NOT YET DOCUMENTED.
width
TODO: NOT YET DOCUMENTED.
height
TODO: NOT YET DOCUMENTED.
plane_mask
TODO: NOT YET DOCUMENTED.
format
TODO: NOT YET DOCUMENTED.
shmseg
TODO: NOT YET DOCUMENTED.
offset
TODO: NOT YET DOCUMENTED.
 

REPLY FIELDS

response_type
The type of this reply, in this case XCB_SHM_GET_IMAGE. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other.
sequence
The sequence number of the last request processed by the X11 server.
length
The length of the reply, in words (a word is 4 bytes).
depth
TODO: NOT YET DOCUMENTED.
visual
TODO: NOT YET DOCUMENTED.
size
TODO: NOT YET DOCUMENTED.
 

DESCRIPTION

 

RETURN VALUE

Returns an xcb_shm_get_image_cookie_t. Errors have to be handled when calling the reply function xcb_shm_get_image_reply.

If you want to handle errors in the event loop instead, use xcb_shm_get_image_unchecked. See xcb-requests(3) for details.  

ERRORS

This request does never generate any errors.  

SEE ALSO

 

AUTHOR

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

Index

NAME
SYNOPSIS
Request function
Reply datastructure
Reply function
REQUEST ARGUMENTS
REPLY FIELDS
DESCRIPTION
RETURN VALUE
ERRORS
SEE ALSO
AUTHOR


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