anchor.diff:    Result := true;
   end;
   
  +class function TCpdfToolbox.RotateClockwisePdf(const aPdfFileName: string; const aAngle : integer): boolean;
  +var
  +  outputString, cmd : string;
  +begin
  +  Result := false;
  +  if not CheckCpdfExePath then
  +    exit;
  +
  +  if not FileExists(aPdfFileName) then
  +  begin
  +    FLastError := SCpdf_error_file_missing + aPdfFileName;
  +    exit;
  +  end;
  +
  +  if aAngle = 0 then
  +  begin
  +    Result := true;
  +    exit;
  +  end;
  +
  +  if (aAngle <> 90) and (aAngle <> 180) and (aAngle <> 270) then
  +  begin
  +    FLastError := SCpdf_error_rotation_angle_invalid + IntToStr(aAngle);
  +    exit;
  +  end;
  +
  +  {$IFDEF UNIX}
  +  if not RunCommand(CpdfExePath, ['-rotateby '  + IntToStr(aAngle), aPdfFileName, '-o', aPdfFileName], outputString, [poStderrToOutPut, poUsePipes, poWaitOnExit]) then
  +  {$ELSE}
  +  cmd := '-rotateby ' + IntToStr(aAngle)  + ' ' + AnsiQuotedStr(UTF8ToWinCP(aPdfFileName),'"') + ' -o "' + aPdfFileName + '"';
  +  if not RunCommand(CpdfExePath, [cmd], outputString, [poNoConsole, poWaitOnExit]) then
  +  {$ENDIF}
  +  begin
  +    {$IFDEF UNIX}
  +    {$IFDEF DEBUG}
  +    writeln(outputString);
  +    {$ENDIF}
  +    {$ENDIF}
  +    FLastError := SCpdf_error_unable_to_run + outputString;
  +    exit;
  +  end;
  +  Result := true;
  +end;
  +
   class function TCpdfToolbox.GetLastError: String;
   begin
     Result := FLastError;
  
positive.code:   SCpdf_error_file_missing = 'Pdf file is missing: ';
    SCpdf_error_unable_to_run = 'Unable to run Cpdf: ';
    SCpdf_error_exe_missing = 'Path value of Cpdf command is wrong or missing: ';
  
  
  type
  
negative.code:     class function CheckCpdfExePath : boolean;
    public
      class function SplitPdfInPages(const aPdfFileName, aPagesFolder, aFileNameTemplate : string): boolean;
      class function RotateClockwisePdf(const aPdfFileName: string; const aAngle : integer): boolean;
      class function GetLastError : String;
    end;
  
  