protected PDFunctionType3() 
{
        super( 3 );
}

Constructor to create a new blank type 3 function.

 public PDFunctionType3(COSDictionary functionDictionary) 
{
        super( functionDictionary );
}

Constructor.

Parameters:

functionDictionary - The prepopulated function dictionary.

 public COSArray Eval(COSArray input) throws IOException 
{
        //This function is known as a "stitching" function. Based on the input, it decides which child function to call.
        //See PDF Reference section 3.9.3.
        PDFunction F=null;
        float x = ((COSFloat)input.get(0)).floatValue();
        COSArray Domain = getDomainForInput(1).getCOSArray();
        if (getBounds().size() == 0)
        {
            F = PDFunction.create(getFunctions().get(0));
        }
        else
        {
            //check boundary conditions first ...
            if (x <  ((COSFloat)Domain.get(0)).floatValue())
                F = PDFunction.create(getFunctions().get(0));
            else if (x  > ((COSFloat)Domain.get(1)).floatValue())
                F = PDFunction.create(getFunctions().get(getFunctions().size()-1));
            else
            {
                float[] fBounds = getBounds().toFloatArray();
                for (int k = 0; k< getBounds().size(); k++){
                    if (x < = fBounds[k])
                    {
                        F = PDFunction.create(getFunctions().get(k));
                        break;
                    }
                }
                if(F==null) //must be in last partition
                {
                    F = PDFunction.create(getFunctions().get(getFunctions().size()-1));
                }
            }
        }
        return F.Eval(input);
}

{@inheritDoc}

 protected COSArray getBounds() 
{
        return (COSArray)(getCOSDictionary().getDictionaryObject( COSName.getPDFName( "Bounds" )  ));
}

 protected COSArray getEncode() 
{
        return (COSArray)(getCOSDictionary().getDictionaryObject( COSName.getPDFName( "Encode" )  ));
}

 protected COSArray getFunctions() 
{
        return (COSArray)(getCOSDictionary().getDictionaryObject( COSName.getPDFName( "Functions" )  ));
}