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.

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

Eq ColourMode

Ord ColourMode

Read ColourMode

Internal.

Show ColourMode

Internal.

GUIValue ColourMode

Internal.

colourmode :: ColourMode -> CreationConfig PostScript

Sets the colourmode.