Safe Haskell	None
Language	Haskell98

HTk.Kernel.Font

Description

The module Font export basic types and classes concerning font resources.

Synopsis

Documentation

class FontDesignator fh where Source #

Datatypes that describe a font instantiate the class FontDesignator.

Minimal complete definition

toFont

Methods

toFont :: fh -> Font Source #

Instances

FontDesignator String Source #	An X font string represents a font.
Methods toFont :: String -> Font Source #
FontDesignator FontFamily Source #	A `FontFamily` object describes a font (default values set for other parameters).
Methods toFont :: FontFamily -> Font Source #
FontDesignator XFont Source #	An `XFont` object (see type) represents a font.
Methods toFont :: XFont -> Font Source #
FontDesignator Font Source #	A `Font` object itself represents a font.
Methods toFont :: Font -> Font Source #
FontDesignator (FontFamily, Int) Source #	A tuple of `(FontFamily,Int)` describes a font with its font family and points.
Methods toFont :: (FontFamily, Int) -> Font Source #
FontDesignator (FontFamily, FontSlant, Int) Source #	A tuple of `(FontFamily,FontSlant,Int)` describes a font with its font family, font slant and points.
Methods toFont :: (FontFamily, FontSlant, Int) -> Font Source #
FontDesignator (FontFamily, FontWeight, Int) Source #	A tuple of `(FontFamily,FontWeight,Int)` describes a font with its font family, font weight and points.
Methods toFont :: (FontFamily, FontWeight, Int) -> Font Source #

newtype Font Source #

The general Font datatype.

Constructors

Font String

Instances

Read Font Source #	Internal.
Methods readsPrec :: Int -> ReadS Font # readList :: ReadS [Font] # readPrec :: ReadPrec Font # readListPrec :: ReadPrec [Font] #
Show Font Source #	Internal.
Methods showsPrec :: Int -> Font -> ShowS # show :: Font -> String # showList :: [Font] -> ShowS #
GUIValue Font Source #	Internal.
Methods cdefault :: Font Source # toGUIValue :: Font -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe Font Source # fromGUIValue :: GUIVALUE -> Font Source #
FontDesignator Font Source #	A `Font` object itself represents a font.
Methods toFont :: Font -> Font Source #

data XFont Source #

The XFont datatype - representing the elements of an X font string.

Constructors

XFont
Fields foundry :: String family :: Maybe FontFamily weight :: Maybe FontWeight slant :: Maybe FontSlant fontwidth :: Maybe FontWidth pixels :: Maybe Int points :: Maybe Int xres :: Maybe Int yres :: Maybe Int spacing :: Maybe FontSpacing charwidth :: Maybe Int charset :: Maybe String
XFontAlias String

Instances

Read XFont Source #	Internal.
Methods readsPrec :: Int -> ReadS XFont # readList :: ReadS [XFont] # readPrec :: ReadPrec XFont # readListPrec :: ReadPrec [XFont] #
Show XFont Source #	Internal.
Methods showsPrec :: Int -> XFont -> ShowS # show :: XFont -> String # showList :: [XFont] -> ShowS #
GUIValue XFont Source #	Internal.
Methods cdefault :: XFont Source # toGUIValue :: XFont -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe XFont Source # fromGUIValue :: GUIVALUE -> XFont Source #
FontDesignator XFont Source #	An `XFont` object (see type) represents a font.
Methods toFont :: XFont -> Font Source #

xfont :: XFont Source #

Standard font.

data FontFamily Source #

The FontFamily datatype.

Constructors

Lucida
Times
Helvetica
Courier
Symbol
Other String

Instances

Read FontFamily Source #	Internal.
Methods readsPrec :: Int -> ReadS FontFamily # readList :: ReadS [FontFamily] # readPrec :: ReadPrec FontFamily # readListPrec :: ReadPrec [FontFamily] #
Show FontFamily Source #	Internal.
Methods showsPrec :: Int -> FontFamily -> ShowS # show :: FontFamily -> String # showList :: [FontFamily] -> ShowS #
GUIValue FontFamily Source #	Internal.
Methods cdefault :: FontFamily Source # toGUIValue :: FontFamily -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe FontFamily Source # fromGUIValue :: GUIVALUE -> FontFamily Source #
FontDesignator FontFamily Source #	A `FontFamily` object describes a font (default values set for other parameters).
Methods toFont :: FontFamily -> Font Source #
FontDesignator (FontFamily, Int) Source #	A tuple of `(FontFamily,Int)` describes a font with its font family and points.
Methods toFont :: (FontFamily, Int) -> Font Source #
FontDesignator (FontFamily, FontSlant, Int) Source #	A tuple of `(FontFamily,FontSlant,Int)` describes a font with its font family, font slant and points.
Methods toFont :: (FontFamily, FontSlant, Int) -> Font Source #
FontDesignator (FontFamily, FontWeight, Int) Source #	A tuple of `(FontFamily,FontWeight,Int)` describes a font with its font family, font weight and points.
Methods toFont :: (FontFamily, FontWeight, Int) -> Font Source #

data FontWeight Source #

The FontWeight datatype.

Constructors

NormalWeight
Medium
Bold

Instances

Read FontWeight Source #	Internal.
Methods readsPrec :: Int -> ReadS FontWeight # readList :: ReadS [FontWeight] # readPrec :: ReadPrec FontWeight # readListPrec :: ReadPrec [FontWeight] #
Show FontWeight Source #	Internal.
Methods showsPrec :: Int -> FontWeight -> ShowS # show :: FontWeight -> String # showList :: [FontWeight] -> ShowS #
GUIValue FontWeight Source #	Internal.
Methods cdefault :: FontWeight Source # toGUIValue :: FontWeight -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe FontWeight Source # fromGUIValue :: GUIVALUE -> FontWeight Source #
FontDesignator (FontFamily, FontWeight, Int) Source #	A tuple of `(FontFamily,FontWeight,Int)` describes a font with its font family, font weight and points.
Methods toFont :: (FontFamily, FontWeight, Int) -> Font Source #

data FontSlant Source #

The FontSlant datatype.

Constructors

Roman
Italic
Oblique

Instances

Read FontSlant Source #	Internal.
Methods readsPrec :: Int -> ReadS FontSlant # readList :: ReadS [FontSlant] # readPrec :: ReadPrec FontSlant # readListPrec :: ReadPrec [FontSlant] #
Show FontSlant Source #	Internal.
Methods showsPrec :: Int -> FontSlant -> ShowS # show :: FontSlant -> String # showList :: [FontSlant] -> ShowS #
GUIValue FontSlant Source #	Internal.
Methods cdefault :: FontSlant Source # toGUIValue :: FontSlant -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe FontSlant Source # fromGUIValue :: GUIVALUE -> FontSlant Source #
FontDesignator (FontFamily, FontSlant, Int) Source #	A tuple of `(FontFamily,FontSlant,Int)` describes a font with its font family, font slant and points.
Methods toFont :: (FontFamily, FontSlant, Int) -> Font Source #

data FontWidth Source #

The FontWidth datatype.

Constructors

NormalWidth
Condensed
Narrow

Instances

Read FontWidth Source #	Internal.
Methods readsPrec :: Int -> ReadS FontWidth # readList :: ReadS [FontWidth] # readPrec :: ReadPrec FontWidth # readListPrec :: ReadPrec [FontWidth] #
Show FontWidth Source #	Internal.
Methods showsPrec :: Int -> FontWidth -> ShowS # show :: FontWidth -> String # showList :: [FontWidth] -> ShowS #
GUIValue FontWidth Source #	Internal.
Methods cdefault :: FontWidth Source # toGUIValue :: FontWidth -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe FontWidth Source # fromGUIValue :: GUIVALUE -> FontWidth Source #

data FontSpacing Source #

The FontSpacing datatype.

Constructors

MonoSpace
Proportional

Instances

Read FontSpacing Source #	Internal.
Methods readsPrec :: Int -> ReadS FontSpacing # readList :: ReadS [FontSpacing] # readPrec :: ReadPrec FontSpacing # readListPrec :: ReadPrec [FontSpacing] #
Show FontSpacing Source #	Internal.
Methods showsPrec :: Int -> FontSpacing -> ShowS # show :: FontSpacing -> String # showList :: [FontSpacing] -> ShowS #
GUIValue FontSpacing Source #	Internal.
Methods cdefault :: FontSpacing Source # toGUIValue :: FontSpacing -> GUIVALUE Source # maybeGUIValue :: GUIVALUE -> Maybe FontSpacing Source # fromGUIValue :: GUIVALUE -> FontSpacing Source #