tLayer

type tLayer = record

  front: pLayer;

Link to next layer (in front of the current one)

  back: pLayer;

Link to the previous layer (behind the current one)

  ClipRect: pClipRect;

Read by roms to find first cliprect

  rp: Pointer;

Ignored by roms, I hope

  bounds: tRectangle;

Ignored by roms

  reserved: array [0..3] of Byte;

  priority: Word;

system use only

  Flags: Word;

obscured ?, Virtual BitMap?

  SuperBitMap: pBitMap;

  SuperClipRect: pClipRect;

Super bitmap cliprects if VBitMap <> 0 else damage cliprect list for refresh

  Window: Pointer;

Reserved for user interface use

  Scroll_X: Word;

  Scroll_Y: Word;

  cr: pClipRect;

used by dedice

  cr2: pClipRect;

used by dedice

  crnew: pClipRect;

used by dedice

  SuperSaveClipRects: pClipRect;

preallocated Clip rects

  _cliprects: pClipRect;

System use during refresh

  LayerInfo: Pointer;

Points to head of the list

  Lock: tSignalSemaphore;

  BackFill: pHook;

  reserved1: LongWord;

  ClipRegion: Pointer;

  saveClipRects: Pointer;

Used to back out when in trouble

  Width: SmallInt;

Width of layer

  Height: SmallInt;

Height of Layer

  reserved2: array [0..17] of Byte;

  DamageList: Pointer;

List of rectangles to refreshthrough

end;