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Documentation of class 'FixedPaletteWithAlpha':

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Class: FixedPaletteWithAlpha


Inheritance:

   Object
   |
   +--Collection
      |
      +--SequenceableCollection
         |
         +--Colormap
            |
            +--ColorPalette
               |
               +--FixedPalette
                  |
                  +--FixedPaletteWithAlpha

Package:
stx:libview
Category:
Graphics-Images-Support
Version:
rev: 1.6 date: 2021/11/15 22:48:14
user: cg
file: FixedPaletteWithAlpha.st directory: libview
module: stx stc-classLibrary: libview

Description:


This class may (sooner or later) take over and/or redefine some of the Colormap functionality.
This migration will be done both to cleanup the code and for VW compatibility.

Notice: For now, the whole functionality is still in Colormap

copyright

COPYRIGHT (c) 2016 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.

Instance protocol:

accessing
o  alphaShift: alphaShiftArg alphaMask: alphaMaskArg

printing & storing
o  size
return the number of (simulated) colors in this colormap

o  storeInstVarsOn: aStream

queries
o  alphaByteAt: index
return the (simulated) alphaByte at index.
Notice that index is 1..

o  bitsAlpha



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