Namespace Org.Apache.Pdfbox.Pdmodel.Graphics.Pattern Classes PDAbstractPattern https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/graphics/pattern/PDAbstractPattern.html PDShadingPattern https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/graphics/pattern/PDShadingPattern.html PDTilingPattern https://www.javadoc.io/doc/org.apache.pdfbox/pdfbox/3.0.4/org/apache/pdfbox/pdmodel/graphics/pattern/PDTilingPattern.html