xcb_image_text_16 - Online Linux Manual PageSection : 3
Updated : libxcb 1.13.1
Source : X Version 11
Note : XCB Requests

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NAMExcb_image_text_16 − Draws text

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SYNOPSIS#include <xcb/xproto.h>

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Request functionxcb_void_cookie_t xcb_image_text_16(xcb_connection_t *conn, uint8_t string_len, xcb_drawable_t drawable, xcb_gcontext_t gc, int16_t x, int16_t y, const xcb_char2b_t *string);

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REQUEST ARGUMENTSconn The XCB connection to X11. string_len The length of the string in characters. Note that this parameter limited by 255 due to using 8 bits! drawable The drawable (Window or Pixmap) to draw text on. gc The graphics context to use. The following graphics context components are used: plane-mask, foreground, background, font, subwindow-mode, clip-x-origin, clip-y-origin, and clip-mask. x The x coordinate of the first character, relative to the origin of drawable. y The y coordinate of the first character, relative to the origin of drawable. string The string to draw. Only the first 255 characters are relevant due to the data type of string_len. Every character uses 2 bytes (hence the 16 in this request's name).

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DESCRIPTIONFills the destination rectangle with the background pixel from gc, then paints the text with the foreground pixel from gc. The upper-left corner of the filled rectangle is at [x, y - font-ascent]. The width is overall-width, the height is font-ascent + font-descent. The overall-width, font-ascent and font-descent are as returned by xcb_query_text_extents (TODO). Note that using X core fonts is deprecated (but still supported) in favor of client-side rendering using Xft.

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RETURN VALUEReturns 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_image_text_16_checked. See xcb-requests(3) for details.

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ERRORSxcb_drawable_error_t The specified drawable (Window or Pixmap) does not exist. xcb_g_context_error_t The specified graphics context does not exist. xcb_match_error_t TODO: reasons?

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SEE ALSOxcb-requests(3), xcb_image_text_8(3)

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AUTHORGenerated from xproto.xml. Contact xcb@lists.freedesktop.org for corrections and improvements. 0

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Johanes Gumabo

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