Package org.apache.pdfbox.preflight.process.reflect

Class ExtGStateValidationProcess

java.lang.Object
org.apache.pdfbox.preflight.process.AbstractProcess
org.apache.pdfbox.preflight.process.reflect.ExtGStateValidationProcess
All Implemented Interfaces:
ValidationProcess
public class ExtGStateValidationProcess extends AbstractProcess

  • Constructor Details

    • ExtGStateValidationProcess

      public ExtGStateValidationProcess()

  • Method Details

    • 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 an Extended Graphic State isn't valid.

    • extractExtGStateDictionaries

      public List<org.apache.pdfbox.cos.COSDictionary> extractExtGStateDictionaries(org.apache.pdfbox.cos.COSDictionary extGStates) throws ValidationException
      Create a list of ExtGState dictionaries using the given Resource dictionary and the COSDocument.
      Parameters:
      extGStates - a resource COSDictionary.
      Returns:
      the list of ExtGState dictionaries.
      Throws:
      ValidationException - thrown if an Extended Graphic State isn't valid.

    • validateTransparencyRules

      protected void validateTransparencyRules(PreflightContext context, List<org.apache.pdfbox.cos.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<org.apache.pdfbox.cos.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, org.apache.pdfbox.cos.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, org.apache.pdfbox.cos.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