Package org.apache.fop.complexscripts.bidi

Class InlineRun

  • public class InlineRun
extends java.lang.Object
    The InlineRun class is a utility class, the instances of which are used to capture a sequence of reordering levels associated with an inline area.

    This work was originally authored by Glenn Adams (gadams@apache.org).

    • Constructor Summary

      Constructors 
      Constructor Description
      InlineRun​(InlineArea inline, int[] levels)
      Primary constructor.
      InlineRun​(InlineArea inline, int level, int count)
      Alternate constructor.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object o)  
      private java.lang.String generateLevels​(int[] levels)  
      InlineArea getInline()
      Obtain inline area that generated this inline run.
      int getMaxLevel()
      Obtain maximum bidi level for this run.
      int getMinLevel()
      Obtain minimum bidi level for this run.
      int hashCode()  
      boolean isHomogenous()
      Determine if this run has homogenous (same valued) bidi levels.
      private static int[] makeLevels​(int level, int count)  
      boolean maybeNeedsMirroring()
      Determine if run needs mirroring.
      void maybeReverseWord​(boolean mirror)
      Reverse inline area if it is a word area and it requires reversal.
      void reverse()
      Reverse run (by incrementing reversal count, not actually reversing).
      private void setMinMax​(int[] levels)  
      java.util.List split()
      Split this inline run into homogenous runs.
      java.lang.String toString()  
      void updateMinMax​(int[] mm)
      Update a min/max array to correspond with this run's min/max values.

      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • levels

        private int[] levels

      • minLevel

        private int minLevel

      • maxLevel

        private int maxLevel

      • reversals

        private int reversals

    • Constructor Detail

      • InlineRun

        public InlineRun​(InlineArea inline,
                 int[] levels)
        Primary constructor.
        Parameters:
        inline - which generated this inline run
        levels - levels array

      • InlineRun

        public InlineRun​(InlineArea inline,
                 int level,
                 int count)
        Alternate constructor.
        Parameters:
        inline - which generated this inline run
        level - for each index
        count - of indices

    • Method Detail

      • getInline

        public InlineArea getInline()
        Obtain inline area that generated this inline run.
        Returns:
        inline area that generated this inline run.

      • getMinLevel

        public int getMinLevel()
        Obtain minimum bidi level for this run.
        Returns:
        minimum bidi level

      • getMaxLevel

        public int getMaxLevel()
        Obtain maximum bidi level for this run.
        Returns:
        maximum bidi level

      • setMinMax

        private void setMinMax​(int[] levels)

      • isHomogenous

        public boolean isHomogenous()
        Determine if this run has homogenous (same valued) bidi levels.
        Returns:
        true if homogenous

      • split

        public java.util.List split()
        Split this inline run into homogenous runs.
        Returns:
        list of new runs

      • updateMinMax

        public void updateMinMax​(int[] mm)
        Update a min/max array to correspond with this run's min/max values.
        Parameters:
        mm - reference to min/max array

      • maybeNeedsMirroring

        public boolean maybeNeedsMirroring()
        Determine if run needs mirroring.
        Returns:
        true if run is homogenous and (positive) odd (i.e., right to left)

      • reverse

        public void reverse()
        Reverse run (by incrementing reversal count, not actually reversing).

      • maybeReverseWord

        public void maybeReverseWord​(boolean mirror)
        Reverse inline area if it is a word area and it requires reversal.
        Parameters:
        mirror - if true then also mirror characters

      • equals

        public boolean equals​(java.lang.Object o)
        Overrides:
        equals in class java.lang.Object

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • generateLevels

        private java.lang.String generateLevels​(int[] levels)

      • makeLevels

        private static int[] makeLevels​(int level,
                                int count)