5.3 DUIM-Sheets Module
<medium>
Open abstract instantiable class
Summary
The class of all mediums.
Superclasses
<object>
Init-keywords
None.
Library
duim-sheets
Module
duim-sheets
Description
The class of all mediums.
Mediums have the following elements associated with them:
- A drawing plane, to which text and lines may be drawn
- A foreground color, which describes the default color of anything drawn on the drawing plane
- A background color, which describes the background color of the drawing plane
- A transformation which describes the position of the drawing plane relative to the sheet which is its parent
- A clipping region, on which any editing operations (such as cutting, copying, or pasting) will have effect.
- A line style that describes the appearance of any lines drawn on the drawing plane
- A text style that describes the appearance of any text written to the drawing plane
Operations
The following operations are exported from the DUIM-Sheets module.
beep clear-box display do-with-drawing-options do-with-text-style do-with-transform force-display handle-repaint medium? medium-background medium-background-setter medium-brush medium-brush-setter medium-clipping-region medium-clipping-region-setter medium-default-text-style medium-default-text-style-setter medium-drawable medium-drawable-setter medium-foreground medium-foreground-setter medium-merged-text-style medium-pen medium-pen-setter medium-pixmap medium-pixmap-setter medium-sheet medium-text-style medium-text-style-setter medium-transform medium-transform-setter portsynchronize-display text-size
The following operations are exported from the DUIM-Graphics module.
copy-area copy-from-pixmap copy-to-pixmap do-with-output-to-pixmap draw-bezier-curve draw-image make-pixmap
The following operations are exported from the DUIM-Extended-Geometry module.