brush-list% : class?

superclass: object%

A brush-list% object maintains a list of brush% objects to avoid creating brushes repeatedly. A brush% object in a brush list cannot be mutated.

A global brush list, the-brush-list, is created automatically.

(make-object brush-list%) → (is-a?/c brush-list%)

Creates an empty brush list.

(send a-brush-list find-or-create-brush   color       style)

→ (is-a?/c brush%)

color : (is-a?/c color%)

style   :   (one-of/c 'transparent 'solid 'opaque           'xor 'hilite 'panel           'bdiagonal-hatch 'crossdiag-hatch           'fdiagonal-hatch 'cross-hatch           'horizontal-hatch 'vertical-hatch)

(send a-brush-list find-or-create-brush   color-name       style)

→ (or/c (is-a?/c brush%) false/c)

color-name : string?

style   :   (one-of/c 'transparent 'solid 'opaque           'xor 'hilite 'panel           'bdiagonal-hatch 'crossdiag-hatch           'fdiagonal-hatch 'cross-hatch           'horizontal-hatch 'vertical-hatch)

Finds a brush of the given specification, or creates one and adds it to the list. See brush% for a further explanation of the arguments, which are the same as brush%’s initialization arguments.