XFontSetExtents(3X11) XLIB FUNCTIONS XFontSetExtents(3X11)NAME
XFontSetExtents - XFontSetExtents structure
STRUCTURES
The XFontSetExtents structure contains:
typedef struct {
XRectangle max_ink_extent;
XRectangle max_logical_extent;
} 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 max_ink_extent 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 XmbTextExtents and XwcTextExtents for detailed semantics.
The max_logical_extent member gives the maximum extent, over all drawable characters, of the rectangles that specify minimum spacing to
other graphical features, relative to a constant origin. Other graphical features drawn by the client, for example, a border surrounding
the text, should not intersect this rectangle. The max_logical_extent member 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(3X11), XExtentsOfFontSet(3X11), XFontsOfFontSet(3X11)
Xlib - C Language X Interface
X Version 11 Release 6.6 XFontSetExtents(3X11)
Check Out this Related Man Page
XFontSetExtents(3X11)XFontSetExtents(3X11)NAME
XFontSetExtents - XFontSetExtents structure
DESCRIPTION
The XFontSetExtents structure contains:
typedef struct {
XRectangle max_ink_extent; /* over all drawable
characters */
XRectangle max_logical_extent; /* 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 max_ink_extent 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 XmbTextExtents(3X11) and XwcTextExtents(3X11) for detailed semantics.
The max_logical_extent member gives the maximum extent, over all drawable characters, of the rectangles that specify minimum spacing to
other graphical features, relative to a constant origin. Other graphical features drawn by the client, for example, a border surrounding
the text, should not intersect this rectangle. The max_logical_extent member 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(3X11), XExtentsOfFontSet(3X11), XFontsOfFontSet(3X11)
Xlib -- C Language X Interface
XFontSetExtents(3X11)
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