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23 LW-GT Reference Entries

This chapter provides reference entries for the symbols exported from the lw-gt package. This package is for the Graphic Tools, which are interfaces which use Graphics Ports and CAPI. These contain the drawing objects, which add a mechanism to creates a hierarchy of drawing, when a "drawing" is (typically) a simple Graphics Ports drawing operation. The hierarchy specifies the geometry of each node in the hierarchy, so the whole group drawings can be manipulated as a single object.

To use Graphic Tools, you first need to load the module "graphic-tools", like this:

(require "graphic-tools")

See 14 Graphic Tools drawing objects for an overview of Graphic Tools.

See 1 Introduction to the CAPI for an overview of CAPI, and 13 Drawing - Graphics Ports for more information on Graphics Ports.

apply-drawing-object

basic-graph-spec

basic-graph-spec-p

compound-drawing-object

compute-drawing-object-from-data

copy-basic-graph-spec

drawing-object

fit-object

force-objects-redraw

generate-bar-chart

generate-graph-from-graph-spec

generate-graph-from-pairs

generate-grid-lines

generate-labels

geometry-drawing-object

make-absolute-drawing

make-absolute-drawing*

make-a-drawing-call

make-basic-graph-spec

make-draw-arc

make-draw-circle

make-draw-ellipse

make-draw-line

make-draw-lines

make-draw-polygon

make-draw-rectangle

make-draw-string

make-pinboard-objects-displayer

objects-displayer

pinboard-objects-displayer

position-and-fit-object

position-object

recurse-compute-drawing-object

rotate-object

string-drawing-object


CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:33:10