XFontSetExtents(3) XLIB FUNCTIONS XFontSetExtents(3)

NAME
       XFontSetExtents - XFontSetExtents structure

STRUCTURES
       The XFontSetExtents structure contains:

       typedef struct {
               XRectangle maxinkextent;      /* over all drawable characters */
               XRectangle maxlogicalextent;  /* over all drawable characters */
       } XFontSetExtents;

       The XRectangle structures used to return font set metrics are the usual
       Xlib screen-oriented rectangles with x, y giving the upper left corner,
       and width and height always positive.

       The maxinkextent member gives the maximum extent, over all drawable
       characters, of the rectangles that bound the character glyph image
       drawn in the foreground color, relative to a constant origin.  See Xmb‐
       TextExtents and XwcTextExtents for detailed semantics.

       The maxlogicalextent member gives the maximum extent, over all draw‐
       able characters, of the rectangles that specify minimum spacing to
       other graphical features, relative to a constant origin.  Other graphi‐
       cal features drawn by the client, for example, a border surrounding the
       text, should not intersect this rectangle.  The maxlogicalextent mem‐
       ber should be used to compute minimum interline spacing and the minimum
       area that must be allowed in a text field to draw a given number of
       arbitrary characters.

       Due to context-dependent rendering, appending a given character to a
       string may change the string's extent by an amount other than that
       character's individual extent.

SEE ALSO
       XCreateFontSet(3), XExtentsOfFontSet(3), XFontsOfFontSet(3)
       Xlib - C Language X Interface



X Version 11                     libX11 1.6.5               XFontSetExtents(3)