Package org.openpdf.renderer.pattern

Class PDFPattern

java.lang.Object
org.openpdf.renderer.pattern.PDFPattern
Direct Known Subclasses:
PatternType1, PatternType2
public abstract class PDFPattern extends Object
The abstract superclass of all PDF Pattern types

  • Field Details

    • type

      private int type
      the pattern type (1 or 2)

    • xform

      private AffineTransform xform
      the matrix to transform from pattern space to PDF space

  • Constructor Details

    • PDFPattern

      protected PDFPattern(int type)
      Creates a new instance of PDFPattern

  • Method Details

    • getPattern

      public static PDFPattern getPattern(PDFObject patternObj, Map resources) throws IOException
      Read a pattern from the given pattern stream
      Throws:
      IOException

    • getPatternType

      public int getPatternType()
      Get the type of this pattern

    • getTransform

      public AffineTransform getTransform()
      Get the transform associated with this pattern

    • setTransform

      protected void setTransform(AffineTransform xform)
      Set the transform associated with this pattern

    • parse

      protected abstract void parse(PDFObject patternObj, Map resources) throws IOException
      Parse the pattern-specific information from the pdf object
      Parameters:
      patternObj - the pdfobject with data for this pattern
      Throws:
      IOException

    • getPaint

      public abstract PDFPaint getPaint(PDFPaint basePaint)
      Returns paint that represents the selected pattern
      Parameters:
      basePaint - the background paint color, or null for none