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Flip Vertical

Procedura odbija bitmapę względem osi X
procedure FlipVertical(var Bitmap:TBitmap);
var
ByteTop,ByteBottom:^Byte;
ByteTemp:Byte;
H,V:Integer;
begin
for V:=0 to (Bitmap.Height -1 ) div 2 do
  begin
  ByteTop:=Bitmap.ScanLine[V];
  ByteBottom:=Bitmap.ScanLine[Bitmap.Height -1-V];
  for H:=0 to Bitmap.Width *3 -1 do
    begin
    ByteTemp:=ByteTop^;
    ByteTop^:=ByteBottom^;
    ByteBottom^:=ByteTemp;
    inc(ByteTop);
    inc(ByteBottom);
    end;
  end;
end;de
to image delphi flip vertical by drs on May 07, 2007
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