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: PRastPort;

Ignored by roms, I hope

  Bounds: TRectangle;

Ignored by roms

  Parent: PLayer;

Private

  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: APTR;

Reserved for user interface use

  Scroll_X: SmallInt;

  Scroll_Y: SmallInt;

  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: PLayer_Info;

Points to head of the list

  Lock: TSignalSemaphore;

  BackFill: PHook;

  VisibleRegion: PRegion;

Private

  ClipRegion: PRegion;

  SaveClipRects: PRegion;

Used to back out when in trouble

  Width: SmallInt;

Width of layer

  Height: SmallInt;

Height of Layer

  Shape: PRegion;

  ShapeRegion: PRegion;

  VisibleShape: PRegion;

  Nesting: Word;

  SuperSaveClipRectCounter: Byte;

  Visible: Byte;

  Reserved2: array [0..1] of Byte;

  DamageList: PRegion;

List of rectangles to refreshthrough

end;