public class GlyphSubstitutionTableReader extends OpenTypeFontTableReader
Parses an OpenTypeFont file and reads the Glyph Substitution Table. This table governs how two or more Glyphs should be merged to a single Glyph. This is especially useful for Asian languages like Bangla, Hindi, etc.
This has been written according to the OPenTypeFont specifications. This may be found here.
LOG, rf, tableLocation
Constructor and Description |
---|
GlyphSubstitutionTableReader(java.lang.String fontFilePath,
int gsubTableLocation,
java.util.Map<java.lang.Integer,java.lang.Character> glyphToCharacterMap,
int[] glyphWidthsByIndex) |
Modifier and Type | Method and Description |
---|---|
java.util.Map<java.lang.String,Glyph> |
getGlyphSubstitutionMap() |
void |
read() |
protected void |
readSubTable(int lookupType,
int subTableLocation) |
getSupportedLanguage, readCoverageFormat, startReadingTable
public GlyphSubstitutionTableReader(java.lang.String fontFilePath, int gsubTableLocation, java.util.Map<java.lang.Integer,java.lang.Character> glyphToCharacterMap, int[] glyphWidthsByIndex) throws java.io.IOException
java.io.IOException
public void read() throws FontReadingException
FontReadingException
public java.util.Map<java.lang.String,Glyph> getGlyphSubstitutionMap() throws FontReadingException
FontReadingException
protected void readSubTable(int lookupType, int subTableLocation) throws java.io.IOException
readSubTable
in class OpenTypeFontTableReader
java.io.IOException
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