Reference IBitmap

  IBitmap = interface(IBitmapData)
  public
    { Create a clone of the bitmap }
    function Clone: IBitmap;
    { Release the image making the bitmap empty }
    procedure Clear;
    { Return a scaled copy of the bitmap }
    function Resample(Width, Height: Integer; Quality: TResampleQuality = rqNormal): IBitmap;
    { Empty is true when the bitmap has no pixels }
    property Empty: Boolean read GetEmpty;
    { A surface for drawing on the bitmap }
    property Surface: ISurface read GetSurface;
    { A rectangle at the origin the size of the bitmap }
    property ClientRect: TRectI read GetClientRect;
    { The format used when saving }
    property Format: TImageFormat read GetFormat write SetFormat;
  end;