79 lines
1.6 KiB
Racket
79 lines
1.6 KiB
Racket
#lang scribble/doc
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@(require "common.rkt")
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@definterface/title[mult-color<%> ()]{
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A @racket[mult-color<%>] object is used to scale the RGB values of a
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@racket[color%] object. A @racket[mult-color<%>] object exist only
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within a @racket[style-delta%] object.
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See also @method[style-delta% get-foreground-mult] and
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@method[style-delta% get-background-mult].
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@defmethod[(get [r (box/c real?)]
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[g (box/c real?)]
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[b (box/c real?)])
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void?]{
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Gets all of the scaling values.
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@boxisfill[@racket[r] @elem{the scaling value for the red component of the color}]
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@boxisfill[@racket[g] @elem{the scaling value for the green component of the color}]
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@boxisfill[@racket[b] @elem{the scaling value for the blue component of the color}]
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}
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@defmethod[(get-b)
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real?]{
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Gets the multiplicative scaling value for the blue component of the color.
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}
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@defmethod[(get-g)
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real?]{
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Gets the multiplicative scaling value for the green component of the color.
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}
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@defmethod[(get-r)
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real?]{
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Gets the multiplicative scaling value for the red component of the color.
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}
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@defmethod[(set [r real?]
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[g real?]
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[b real?])
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void?]{
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Sets all of the scaling values.
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}
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@defmethod[(set-b [v real?])
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void?]{
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Sets the multiplicative scaling value for the blue component of the color.
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}
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@defmethod[(set-g [v real?])
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void?]{
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Sets the multiplicative scaling value for the green component of the
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color.
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}
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@defmethod[(set-r [v real?])
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void?]{
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Sets the additive value for the red component of the color.
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}}
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