Class

Summary

A subclass of pinboard-object which draws a labelled line.

Package

capi

Superclasses

item-pinboard-object
line-pinboard-object

Subclasses

labelled-arrow-pinboard-object

Initargs

:text-foreground

A valid color specification, as defined for the graphics-state parameter foreground .

:text-background

A valid color specification, as defined for the graphics-state parameter foreground , or the keyword :background, or nil.

Accessors

labelled-line-text-foreground
labelled-line-text-background

Description

A subclass of pinboard-object which displays a line and draws a label in the middle of it.

Note that the label text is inherited from item.

text-foreground defines the color of the label text.

text-background defines the background for the text, which is the color used to draw a filled rectangle in the area of the text before drawing the text. The value :background means use the background of the pinboard-layout of the object. The value nil means do not draw a background rectangle. The default value of text-background is :background.

Notes

For a description of color specifications, see Color specs.

Example

(capi:contain

 (make-instance 

  'capi:pinboard-layout

  :description

  (list (make-instance 

         'capi:labelled-line-pinboard-object 

         :text "Labelled Line" 

         :start-x 10 :start-y 10 

         :end-x 80 :end-y 60)

        (make-instance 

         'capi:labelled-arrow-pinboard-object 

         :text "Labelled Arrow" 

         :start-x 10 :start-y 70 

         :end-x 80 :end-y 120

         :head-direction :both))))

See also

graphics-state
pinboard-layout
Creating graphical objects