1XFontSetExtents(3)              XLIB FUNCTIONS              XFontSetExtents(3)
2
3
4

NAME

6       XFontSetExtents - XFontSetExtents structure
7

STRUCTURES

9       The XFontSetExtents structure contains:
10
11       typedef struct {
12               XRectangle max_ink_extent;      /* over all drawable characters */
13               XRectangle max_logical_extent;  /* over all drawable characters */
14       } XFontSetExtents;
15
16       The XRectangle structures used to return font set metrics are the usual
17       Xlib screen-oriented rectangles with x, y giving the upper left corner,
18       and width and height always positive.
19
20       The  max_ink_extent  member gives the maximum extent, over all drawable
21       characters, of the rectangles that  bound  the  character  glyph  image
22       drawn in the foreground color, relative to a constant origin.  See Xmb‐
23       TextExtents and XwcTextExtents for detailed semantics.
24
25       The max_logical_extent member gives the maximum extent, over all  draw‐
26       able  characters,  of  the  rectangles  that specify minimum spacing to
27       other graphical features, relative to a constant origin.  Other graphi‐
28       cal features drawn by the client, for example, a border surrounding the
29       text, should not intersect this rectangle.  The max_logical_extent mem‐
30       ber should be used to compute minimum interline spacing and the minimum
31       area that must be allowed in a text field to draw a given number of ar‐
32       bitrary characters.
33
34       Due  to  context-dependent  rendering, appending a given character to a
35       string may change the string's extent by  an  amount  other  than  that
36       character's individual extent.
37

SEE ALSO

39       XCreateFontSet(3), XExtentsOfFontSet(3), XFontsOfFontSet(3)
40       Xlib - C Language X Interface
41
42
43
44X Version 11                     libX11 1.8.1               XFontSetExtents(3)
Impressum