"
COPYRIGHT (c) 1995 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
Color subclass:#ColorValue
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'Graphics-Support'
!
!ColorValue class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1995 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
ColorValue is provided for ST-80 compatibility.
read the section on compatibility issues in the Color class's documentation.
[author:]
Claus Gittinger
"
! !
!ColorValue class methodsFor:'instance creation'!
brightness:grey
"return a grey color.
The grey value is given in 0..1 instead of percent"
^ self scaledGray:(grey * MaxValue) rounded
"
ColorValue brightness:0.5
"
"Modified: 28.5.1996 / 20:53:52 / cg"
!
doesNotUnderstand:aMessage
"catch other instance creation messages"
|clr|
(clr := self name:aMessage selector asString) notNil ifTrue:[
^ clr
].
^ super doesNotUnderstand:aMessage
"
ColorValue royalBlue
ColorValue funnyGreen
"
!
hue:hue saturation:sat brightness:light
"return a color.
The hue, saturation and brightness values are given in 0..1 instead of
degrees / percent"
^ self hue:hue*360 light:light*100 saturation:sat*100
"
ColorValue hue:0 saturation:1 brightness:0.5
"
!
red:r green:g blue:b
"return a color from red, green and blue values.
The arguments, r, g and b must be in the range (0..1)"
^ self
scaledRed:(r * MaxValue) rounded
scaledGreen:(g * MaxValue) rounded
scaledBlue:(b * MaxValue) rounded
"
ColorValue red:0 green:1 blue:0
ColorValue red:0 green:0.5 blue:0
"
! !
!ColorValue methodsFor:'accessing'!
blue
"return the blue component in 0..1"
^ blue / MaxValue
!
green
"return the green component in 0..1"
^ green / MaxValue
!
light
"return the hue component in 0..1"
^ super light / 100.0
"
Color yellow light
ColorValue yellow light
"
"Created: 11.6.1996 / 17:17:39 / cg"
!
red
"return the red component in 0..1"
^ red / MaxValue
!
saturation
"return the saturation component in 0..1"
^ super saturation / 100.0
"
Color yellow saturation
ColorValue yellow saturation
"
"Created: 11.6.1996 / 17:17:57 / cg"
! !
!ColorValue class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libview2/Attic/ClrValue.st,v 1.12 1996-06-12 12:24:09 cg Exp $'
! !