Package org.apache.fop.fonts

Class GlyphMapping

  • public class GlyphMapping
extends java.lang.Object
    Stores the mapping of a text fragment to glyphs, along with various information.

    • Constructor Summary

      Constructors 
      Constructor Description
      GlyphMapping​(int startIndex, int endIndex, int wordSpaceCount, int letterSpaceCount, MinOptMax areaIPD, boolean isHyphenated, boolean isSpace, boolean breakOppAfter, Font font, int level, int[][] gposAdjustments)  
      GlyphMapping​(int startIndex, int endIndex, int wordSpaceCount, int letterSpaceCount, MinOptMax areaIPD, boolean isHyphenated, boolean isSpace, boolean breakOppAfter, Font font, int level, int[][] gposAdjustments, java.lang.String mapping, java.util.List associations)  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addToAreaIPD​(MinOptMax idp)  
      private static void addToLetterAdjust​(MinOptMax[] letterSpaceAdjustArray, int index, int width)  
      static GlyphMapping doGlyphMapping​(TextFragment text, int startIndex, int endIndex, Font font, MinOptMax letterSpaceIPD, MinOptMax[] letterSpaceAdjustArray, char precedingChar, char breakOpportunityChar, boolean endsWithHyphen, int level, boolean dontOptimizeForIdentityMapping, boolean retainAssociations, boolean retainControls)  
      private static int[][] getKerningAdjustments​(java.lang.CharSequence mcs, Font font, int[][] gpa)
      Given a mapped character sequence MCS, obtain glyph position adjustments from the font's kerning data.
      int getWordLength()
      Obtain number of 'characters' contained in word.
      static boolean isSpace​(char ch)
      Indicates whether a character is a space in terms of this layout manager.
      private static GlyphMapping processWordMapping​(TextFragment text, int startIndex, int endIndex, Font font, char breakOpportunityChar, boolean endsWithHyphen, int level, boolean dontOptimizeForIdentityMapping, boolean retainAssociations, boolean retainControls)  
      private static GlyphMapping processWordNoMapping​(TextFragment text, int startIndex, int endIndex, Font font, MinOptMax letterSpaceIPD, MinOptMax[] letterSpaceAdjustArray, char precedingChar, char breakOpportunityChar, boolean endsWithHyphen, int level)  
      java.lang.String toString()  
      private static boolean useKerningAdjustments​(Font font, java.lang.String script, java.lang.String language)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Field Detail

      • LOG

        private static final org.apache.commons.logging.Log LOG

      • startIndex

        public final int startIndex
        Inclusive.

      • endIndex

        public final int endIndex
        Exclusive.

      • wordCharLength

        private int wordCharLength

      • wordSpaceCount

        public final int wordSpaceCount

      • letterSpaceCount

        public int letterSpaceCount

      • isHyphenated

        public final boolean isHyphenated

      • isSpace

        public final boolean isSpace

      • breakOppAfter

        public boolean breakOppAfter

      • font

        public final Font font

      • level

        public final int level

      • gposAdjustments

        public final int[][] gposAdjustments

      • mapping

        public java.lang.String mapping

      • associations

        public java.util.List associations

    • Constructor Detail

      • GlyphMapping

        public GlyphMapping​(int startIndex,
                    int endIndex,
                    int wordSpaceCount,
                    int letterSpaceCount,
                    MinOptMax areaIPD,
                    boolean isHyphenated,
                    boolean isSpace,
                    boolean breakOppAfter,
                    Font font,
                    int level,
                    int[][] gposAdjustments)

      • GlyphMapping

        public GlyphMapping​(int startIndex,
                    int endIndex,
                    int wordSpaceCount,
                    int letterSpaceCount,
                    MinOptMax areaIPD,
                    boolean isHyphenated,
                    boolean isSpace,
                    boolean breakOppAfter,
                    Font font,
                    int level,
                    int[][] gposAdjustments,
                    java.lang.String mapping,
                    java.util.List associations)

    • Method Detail

      • doGlyphMapping

        public static GlyphMapping doGlyphMapping​(TextFragment text,
                                          int startIndex,
                                          int endIndex,
                                          Font font,
                                          MinOptMax letterSpaceIPD,
                                          MinOptMax[] letterSpaceAdjustArray,
                                          char precedingChar,
                                          char breakOpportunityChar,
                                          boolean endsWithHyphen,
                                          int level,
                                          boolean dontOptimizeForIdentityMapping,
                                          boolean retainAssociations,
                                          boolean retainControls)

      • processWordMapping

        private static GlyphMapping processWordMapping​(TextFragment text,
                                               int startIndex,
                                               int endIndex,
                                               Font font,
                                               char breakOpportunityChar,
                                               boolean endsWithHyphen,
                                               int level,
                                               boolean dontOptimizeForIdentityMapping,
                                               boolean retainAssociations,
                                               boolean retainControls)

      • useKerningAdjustments

        private static boolean useKerningAdjustments​(Font font,
                                             java.lang.String script,
                                             java.lang.String language)

      • getKerningAdjustments

        private static int[][] getKerningAdjustments​(java.lang.CharSequence mcs,
                                             Font font,
                                             int[][] gpa)
        Given a mapped character sequence MCS, obtain glyph position adjustments from the font's kerning data.
        Parameters:
        mcs - mapped character sequence
        font - applicable font
        Returns:
        glyph position adjustments (or null if no kerning)

      • processWordNoMapping

        private static GlyphMapping processWordNoMapping​(TextFragment text,
                                                 int startIndex,
                                                 int endIndex,
                                                 Font font,
                                                 MinOptMax letterSpaceIPD,
                                                 MinOptMax[] letterSpaceAdjustArray,
                                                 char precedingChar,
                                                 char breakOpportunityChar,
                                                 boolean endsWithHyphen,
                                                 int level)

      • addToLetterAdjust

        private static void addToLetterAdjust​(MinOptMax[] letterSpaceAdjustArray,
                                      int index,
                                      int width)

      • isSpace

        public static boolean isSpace​(char ch)
        Indicates whether a character is a space in terms of this layout manager.
        Parameters:
        ch - the character
        Returns:
        true if it's a space

      • getWordLength

        public int getWordLength()
        Obtain number of 'characters' contained in word. If word is mapped, then this number may be less than or greater than the original length (breakIndex - startIndex). We compute and memoize thius length upon first invocation of this method.

      • addToAreaIPD

        public void addToAreaIPD​(MinOptMax idp)

      • toString

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