Constructor Detail

• ExtGStateValidationProcess

  public ExtGStateValidationProcess()

Method Detail

• validate

  public void validate(PreflightContext context)
                throws ValidationException

  Validate the ExtGState dictionaries.

  Parameters:

  context - the context which contains the Resource dictionary.

  Throws:

  ValidationException - thrown if a the Extended Graphic State isn't valid.

• extractExtGStateDictionaries

  public List<COSDictionary> extractExtGStateDictionaries(PreflightContext context,
                                                 COSDictionary egsEntry)
                                                   throws ValidationException

  Create a list of ExtGState dictionaries using the given Resource dictionary and the COSDocument.

  Parameters:

  context - the context which contains the Resource dictionary.

  egsEntry - a resource COSDictionary.

  Returns:

  the list of ExtGState dictionaries.

  Throws:

  ValidationException - thrown if a the Extended Graphic State isn't valid.

• validateTransparencyRules

  protected void validateTransparencyRules(PreflightContext context,
                               List<COSDictionary> listOfExtGState)

  Validate transparency rules in all ExtGState dictionaries of this container.

  Parameters:

  context - the preflight context.

  listOfExtGState - a list of ExtGState COSDictionaries.

• validateFonts

  protected void validateFonts(PreflightContext context,
                   List<COSDictionary> listOfExtGState)
                        throws ValidationException

  Validate fonts in all ExtGState dictionaries of this container.

  Parameters:

  context - the preflight context.

  listOfExtGState - a list of ExtGState COSDictionaries.

  Throws:

  ValidationException

• checkTRKey

  protected void checkTRKey(PreflightContext context,
                COSDictionary egs)

  Check the TR entry. A valid ExtGState hasn't TR entry.

  Parameters:

  context - the preflight context

  egs - the graphic state to check

• checkTR2Key

  protected void checkTR2Key(PreflightContext context,
                 COSDictionary egs)

  Check the TR2 entry. A valid ExtGState hasn't TR2 entry or a TR2 entry equals to "default".

  Parameters:

  context - the preflight context

  egs - the graphic state to check