"
COPYRIGHT (c) 1997 by eXept Software AG / 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.
"
"{ Package: 'stx:libview' }"
"{ NameSpace: Smalltalk }"
Depth1Image subclass:#ImageMask
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'Graphics-Images'
!
!ImageMask class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 1997 by eXept Software AG / 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
"
instances of this class represent image masks;
if added to an image (via #mask:), only pixels for which the
corresponding mask pixel is 1 are drawn.
ImageMask does not add anything new - basically, it is a Depth1Image.
[See also:]
Image ImageReader
[author:]
Claus Gittinger
"
! !
!ImageMask methodsFor:'initialization'!
initialize
super initialize.
bitsPerSample := #(1).
samplesPerPixel := 1.
"Modified: / 26-09-2017 / 17:10:18 / stefan"
! !
!ImageMask methodsFor:'private'!
colormapFromImage:anImage
"I have no colormap"
photometric := #blackIs0.
^ self
"Created: / 18.5.1999 / 20:09:25 / cg"
! !
!ImageMask methodsFor:'queries'!
isMask
^ true
"Created: 22.4.1997 / 14:12:20 / cg"
! !
!ImageMask class methodsFor:'documentation'!
version
^ '$Header$'
! !