Class: FixedPalette

• Inheritance
• Description
• Related information
• Class protocol
  • instance creation
• Instance protocol
  • initialization
  • printing & storing
  • queries

Inheritance:

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

Package:

stx:libview

Category:

Graphics-Images-Support

Version:

rev: 1.6 date: 2017/08/25 10:38:12

user: cg

file: FixedPalette.st directory: libview

module: stx stc-classLibrary: libview

Description:

This class will (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

Related information:

    Color
    Image
    Form

Class protocol:

 redShift: reds redMask: redm greenShift: grns greenMask: grnm blueShift: blus blueMask: blum

Instance protocol:

 redShift: rs redMask: rm greenShift: gs greenMask: gm blueShift: bs blueMask: bm

 displayString

 printOn: aStream

 storeInstVarsOn: aStream

 storeOn: aStream

 alphaByteAt: index

return the (simulated) alphaByte at index.
Notice that index is 1..

 bitsAlpha

 bitsBlue

 bitsGreen

 bitsRed

 blueByteAt: index

return the (simulated) blueByte at index.
Notice that index is 1..

usage example(s):

(FixedPalette redShift:16 redMask:16rFF greenShift:8 greenMask:16rFF blueShift:0 blueMask:16rFF) blueByteAt:16rFFFFFF+1 (FixedPalette redShift:10 redMask:16r1F greenShift:5 greenMask:16r1F blueShift:0 blueMask:16r1F) blueByteAt:16r7FFF+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) blueByteAt:16rFFFF+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) blueByteAt:0+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) blueByteAt:16r7FFF+1

 greenByteAt: index

return the (simulated) greenByte at index.
Notice that index is 1..

usage example(s):

(FixedPalette redShift:16 redMask:16rFF greenShift:8 greenMask:16rFF blueShift:0 blueMask:16rFF) greenByteAt:16rFFFFFF+1 (FixedPalette redShift:10 redMask:16r1F greenShift:5 greenMask:16r1F blueShift:0 blueMask:16r1F) greenByteAt:16r7FFF+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) greenByteAt:16rFFFF+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) greenByteAt:0+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) greenByteAt:16r7FFF+1

 isFixedPalette

 redByteAt: index

return the (simulated) redByte at index.
Notice that index is 1..

usage example(s):

(FixedPalette redShift:16 redMask:16rFF greenShift:8 greenMask:16rFF blueShift:0 blueMask:16rFF) redByteAt:16rFFFFFF+1 (FixedPalette redShift:10 redMask:16r1F greenShift:5 greenMask:16r1F blueShift:0 blueMask:16r1F) redByteAt:16r7FFF+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) redByteAt:16rFFFF+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) redByteAt:0+1 (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) redByteAt:16r7FFF+1

 size

return the number of (simulated) colors in this colormap

usage example(s):

(FixedPalette redShift:16 redMask:16rFF greenShift:8 greenMask:16rFF blueShift:0 blueMask:16rFF) size (FixedPalette redShift:10 redMask:16r1F greenShift:5 greenMask:16r1F blueShift:0 blueMask:16r1F) size (FixedPalette redShift:11 redMask:16r1F greenShift:5 greenMask:16r3F blueShift:0 blueMask:16r1F) size