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Line

Description

HTk's line canvas item. A line object on a canvas widget.

Synopsis

module CanvasItem data ArrowHead = BothEnds | LastEnd | FirstEnd | NoHead data CapStyle = CapRound | CapProjecting | CapButt data JoinStyle = JoinRound | JoinMiter | JoinBevel data Line createLine :: Canvas -> [Config Line] -> IO Line arrowshape :: ArrowShape -> Config Line getArrowshape :: Line -> IO ArrowShape arrowstyle :: ArrowHead -> Config Line getArrowstyle :: Line -> IO ArrowHead capstyle :: CapStyle -> Config Line getCapstyle :: Line -> IO CapStyle joinstyle :: JoinStyle -> Config Line getJoinstyle :: Line -> IO JoinStyle

Documentation

module CanvasItem

data ArrowHead

The ArrowHead datatype (see Line.arrowstyle). Constructors BothEnds LastEnd FirstEnd NoHead Instances GUIValue ArrowHead Read ArrowHead Show ArrowHead

data CapStyle

Constructors CapRound CapProjecting CapButt Instances GUIValue CapStyle Read CapStyle Show CapStyle

data JoinStyle

Constructors JoinRound JoinMiter JoinBevel Instances GUIValue JoinStyle Read JoinStyle Show JoinStyle

data Line

The Line datatype.

createLine

:: Canvas the parent canvas. -> [Config Line] the list of configuration options for this line item. -> IO Line A line item. Constructs a new line item.

arrowshape :: ArrowShape -> Config Line

Sets the shape of the arrows at the ends of a line.

getArrowshape :: Line -> IO ArrowShape

Gets the shape of the arrows at the end of a line.

arrowstyle :: ArrowHead -> Config Line

getArrowstyle :: Line -> IO ArrowHead

Gets the style of the arrows at the ends of a line.

capstyle :: CapStyle -> Config Line

Sets the capstyle at the ends of a line (butt, projecting or round).

getCapstyle :: Line -> IO CapStyle

Gets the capstyle at the ends of a line.

joinstyle :: JoinStyle -> Config Line

Sets the joinstyle between the line segments (bevel, miter or round).

getJoinstyle :: Line -> IO JoinStyle

Gets the joinstyle between the line segments.

Produced by Haddock version 0.3