anchor.diff:        bitmap.Height ,
         stride );
   
  -    { Pixel Format }
  -     m_pixf:=bitmap.PixelFormat;
  +     { Pixel Format }
  +     m_pixf :=  ColorDepthToPixelFormat(bitmap.ColorDepth);
   
        case m_pixf of
         pf24bit :
  
positive.code:    constructor Construct;
     destructor  Destruct;
  
     function  attach(bitmap : TBitmap; flip : boolean ) : boolean;
  
     function  width : int;
     function  height : int;
  
negative.code:    destructor  Destroy; override;
  
    // Vector Graphics Engine Initialization
     function  Attach(bitmap : TfpgImage; flip_y : boolean = false ) : boolean;
  
     procedure ClearAll(c : TAggColor ); overload;
     procedure ClearAll(r ,g ,b : byte; a : byte = 255 ); overload;
  