HTk.Devices.Printer

This module provides funtionality for postscript export of the contents of canvas widgets.

Documentation

class GUIObject w => HasPostscript w where

Widgets that support postscript export instantiate the class HasPostscript.

Methods

postscript :: w -> [CreationConfig PostScript] -> IO ()

Instances

HasPostscript Canvas

The contents of a canvas is printable.

Methods

postscript :: Canvas -> [CreationConfig PostScript] -> IO ()

data PostScript

The PostScript datatype.

pageheight :: Distance -> CreationConfig PostScript

Sets the page height.

pagewidth :: Distance -> CreationConfig PostScript

Sets the page width.

pagex :: Distance -> CreationConfig PostScript

Sets the output x coordinate of the anchor point.

pagey :: Distance -> CreationConfig PostScript

Sets the output y coordinate of the anchor point.

rotate :: Bool -> CreationConfig PostScript

If True, rotate so that X axis isthe long direction of the page.

pageAnchor :: Anchor -> CreationConfig PostScript

Sets the page anchor.

pswidth :: Distance -> CreationConfig PostScript

Sets the width of the area to print.

psheight :: Distance -> CreationConfig PostScript

Sets the height of the area to print.

pssize :: Size -> CreationConfig PostScript

Sets the width and height of the area to print.

psfile :: String -> CreationConfig PostScript

Sets the filename of the output file.

data ColourMode

The ColourMode datatype.

Constructors

FullColourMode

GrayScaleMode

MonoChromeMode

Instances

Enum ColourMode

Methods

succ :: ColourMode -> ColourMode

pred :: ColourMode -> ColourMode

toEnum :: Int -> ColourMode

fromEnum :: ColourMode -> Int

enumFrom :: ColourMode -> [ColourMode]

enumFromThen :: ColourMode -> ColourMode -> [ColourMode]

enumFromTo :: ColourMode -> ColourMode -> [ColourMode]

enumFromThenTo :: ColourMode -> ColourMode -> ColourMode -> [ColourMode]

Eq ColourMode

Methods

(==) :: ColourMode -> ColourMode -> Bool

(/=) :: ColourMode -> ColourMode -> Bool

Ord ColourMode

Methods

compare :: ColourMode -> ColourMode -> Ordering

(<) :: ColourMode -> ColourMode -> Bool

(<=) :: ColourMode -> ColourMode -> Bool

(>) :: ColourMode -> ColourMode -> Bool

(>=) :: ColourMode -> ColourMode -> Bool

max :: ColourMode -> ColourMode -> ColourMode

min :: ColourMode -> ColourMode -> ColourMode

Read ColourMode

Internal.

Methods

readsPrec :: Int -> ReadS ColourMode

readList :: ReadS [ColourMode]

readPrec :: ReadPrec ColourMode

readListPrec :: ReadPrec [ColourMode]

Show ColourMode

Internal.

Methods

showsPrec :: Int -> ColourMode -> ShowS

show :: ColourMode -> String

showList :: [ColourMode] -> ShowS

GUIValue ColourMode

Internal.

Methods

cdefault :: ColourMode

toGUIValue :: ColourMode -> GUIVALUE

maybeGUIValue :: GUIVALUE -> Maybe ColourMode

fromGUIValue :: GUIVALUE -> ColourMode

colourmode :: ColourMode -> CreationConfig PostScript

Sets the colourmode.