Class: AlphaMask

• Inheritance
• Description
• Related information
• Instance protocol
  • queries

Inheritance:

   Object
   |
   +--Image
      |
      +--Depth8Image
         |
         +--AlphaMask

Package:

stx:libview

Category:

Graphics-Images

Version:

rev: 1.2 date: 1997-04-22 12:17:22

user: cg

file: AlphaMask.st directory: libview

module: stx stc-classLibrary: libview

Author:

Claus Gittinger

Description:

instances of this class will eventually be used to represent an
images alpha channel information;
if added to an image (via #mask:), pixels will be merged with underlying
destination pixels according to the alpha value.
However, alpha-image drawing is not yet implemented in the current version.

AlphaMask does not add anything new - basically, its a depth8-image.

Related information:

    Image
    ImageReader

Instance protocol:

 isMask