IT. Expert System.

Java Standard Edition (SE)

OpenType


java.awt.font

Interface OpenType



  • public interface OpenType
    The OpenType interface represents OpenType and TrueType fonts. This interface makes it possible to obtain sfnt tables from the font. A particular Font object can implement this interface.

    For more information on TrueType and OpenType fonts, see the OpenType specification. ( http://www.microsoft.com/typography/otspec/ ).

    • Field Summary

      Fields 
      Modifier and Type Field and Description
      static int TAG_ACNT
      Accent attachment.
      static int TAG_AVAR
      Axis variation.
      static int TAG_BASE
      Baseline data.
      static int TAG_BDAT
      Bitmap data.
      static int TAG_BLOC
      Bitmap location.
      static int TAG_BSLN
      Baseline table.
      static int TAG_CFF
      Compact font format (Type1 font).
      static int TAG_CMAP
      Character to glyph mapping.
      static int TAG_CVAR
      CVT variation.
      static int TAG_CVT
      Control value table.
      static int TAG_DSIG
      Digital signature.
      static int TAG_EBDT
      Embedded bitmap data.
      static int TAG_EBLC
      Embedded bitmap location.
      static int TAG_EBSC
      Embedded bitmap scaling.
      static int TAG_FDSC
      Font descriptors.
      static int TAG_FEAT
      Feature name.
      static int TAG_FMTX
      Font metrics.
      static int TAG_FPGM
      Font program.
      static int TAG_FVAR
      Font variation.
      static int TAG_GASP
      Grid-fitting and scan conversion procedure.
      static int TAG_GDEF
      Glyph definition.
      static int TAG_GLYF
      Glyph data.
      static int TAG_GPOS
      Glyph positioning.
      static int TAG_GSUB
      Glyph substitution.
      static int TAG_GVAR
      Glyph variation.
      static int TAG_HDMX
      Horizontal device metrics.
      static int TAG_HEAD
      Font header.
      static int TAG_HHEA
      Horizontal metrics header.
      static int TAG_HMTX
      Horizontal metrics.
      static int TAG_JSTF
      Justification.
      static int TAG_JUST
      Justification.
      static int TAG_KERN
      Kerning.
      static int TAG_LCAR
      Ligature caret.
      static int TAG_LOCA
      Index to location.
      static int TAG_LTSH
      Linear threshold.
      static int TAG_MAXP
      Maximum profile.
      static int TAG_MMFX
      Multiple master font metrics.
      static int TAG_MMSD
      Multiple master supplementary data.
      static int TAG_MORT
      Glyph metamorphosis.
      static int TAG_NAME
      Naming table.
      static int TAG_OPBD
      Optical bounds.
      static int TAG_OS2
      OS/2 and Windows specific metrics.
      static int TAG_PCLT
      PCL 5 data.
      static int TAG_POST
      PostScript Information.
      static int TAG_PREP
      CVT preprogram.
      static int TAG_PROP
      Glyph properties.
      static int TAG_TRAK
      Tracking.
      static int TAG_TYP1
      Adobe Type 1 font data.
      static int TAG_VDMX
      Vertical device metrics.
      static int TAG_VHEA
      Vertical metrics header.
      static int TAG_VMTX
      Vertical metrics.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method and Description
      byte[] getFontTable(int sfntTag)
      Returns the table as an array of bytes for a specified tag.
      byte[] getFontTable(int sfntTag, int offset, int count)
      Returns a subset of the table as an array of bytes for a specified tag.
      byte[] getFontTable(String strSfntTag)
      Returns the table as an array of bytes for a specified tag.
      byte[] getFontTable(String strSfntTag, int offset, int count)
      Returns a subset of the table as an array of bytes for a specified tag.
      int getFontTableSize(int sfntTag)
      Returns the size of the table for a specified tag.
      int getFontTableSize(String strSfntTag)
      Returns the size of the table for a specified tag.
      int getVersion()
      Returns the version of the OpenType font.
    • Field Detail

      • TAG_CMAP

        static final int TAG_CMAP
        Character to glyph mapping. Table tag "cmap" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_HEAD

        static final int TAG_HEAD
        Font header. Table tag "head" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_NAME

        static final int TAG_NAME
        Naming table. Table tag "name" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_GLYF

        static final int TAG_GLYF
        Glyph data. Table tag "glyf" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_MAXP

        static final int TAG_MAXP
        Maximum profile. Table tag "maxp" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_PREP

        static final int TAG_PREP
        CVT preprogram. Table tag "prep" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_HMTX

        static final int TAG_HMTX
        Horizontal metrics. Table tag "hmtx" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_KERN

        static final int TAG_KERN
        Kerning. Table tag "kern" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_HDMX

        static final int TAG_HDMX
        Horizontal device metrics. Table tag "hdmx" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_LOCA

        static final int TAG_LOCA
        Index to location. Table tag "loca" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_POST

        static final int TAG_POST
        PostScript Information. Table tag "post" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_OS2

        static final int TAG_OS2
        OS/2 and Windows specific metrics. Table tag "OS/2" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_CVT

        static final int TAG_CVT
        Control value table. Table tag "cvt " in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_GASP

        static final int TAG_GASP
        Grid-fitting and scan conversion procedure. Table tag "gasp" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_VDMX

        static final int TAG_VDMX
        Vertical device metrics. Table tag "VDMX" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_VMTX

        static final int TAG_VMTX
        Vertical metrics. Table tag "vmtx" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_VHEA

        static final int TAG_VHEA
        Vertical metrics header. Table tag "vhea" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_HHEA

        static final int TAG_HHEA
        Horizontal metrics header. Table tag "hhea" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_TYP1

        static final int TAG_TYP1
        Adobe Type 1 font data. Table tag "typ1" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_BSLN

        static final int TAG_BSLN
        Baseline table. Table tag "bsln" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_GSUB

        static final int TAG_GSUB
        Glyph substitution. Table tag "GSUB" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_DSIG

        static final int TAG_DSIG
        Digital signature. Table tag "DSIG" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_FPGM

        static final int TAG_FPGM
        Font program. Table tag "fpgm" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_FVAR

        static final int TAG_FVAR
        Font variation. Table tag "fvar" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_GVAR

        static final int TAG_GVAR
        Glyph variation. Table tag "gvar" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_CFF

        static final int TAG_CFF
        Compact font format (Type1 font). Table tag "CFF " in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_MMSD

        static final int TAG_MMSD
        Multiple master supplementary data. Table tag "MMSD" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_MMFX

        static final int TAG_MMFX
        Multiple master font metrics. Table tag "MMFX" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_BASE

        static final int TAG_BASE
        Baseline data. Table tag "BASE" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_GDEF

        static final int TAG_GDEF
        Glyph definition. Table tag "GDEF" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_GPOS

        static final int TAG_GPOS
        Glyph positioning. Table tag "GPOS" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_JSTF

        static final int TAG_JSTF
        Justification. Table tag "JSTF" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_EBDT

        static final int TAG_EBDT
        Embedded bitmap data. Table tag "EBDT" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_EBLC

        static final int TAG_EBLC
        Embedded bitmap location. Table tag "EBLC" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_EBSC

        static final int TAG_EBSC
        Embedded bitmap scaling. Table tag "EBSC" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_LTSH

        static final int TAG_LTSH
        Linear threshold. Table tag "LTSH" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_PCLT

        static final int TAG_PCLT
        PCL 5 data. Table tag "PCLT" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_ACNT

        static final int TAG_ACNT
        Accent attachment. Table tag "acnt" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_AVAR

        static final int TAG_AVAR
        Axis variation. Table tag "avar" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_BDAT

        static final int TAG_BDAT
        Bitmap data. Table tag "bdat" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_BLOC

        static final int TAG_BLOC
        Bitmap location. Table tag "bloc" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_CVAR

        static final int TAG_CVAR
        CVT variation. Table tag "cvar" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_FEAT

        static final int TAG_FEAT
        Feature name. Table tag "feat" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_FDSC

        static final int TAG_FDSC
        Font descriptors. Table tag "fdsc" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_FMTX

        static final int TAG_FMTX
        Font metrics. Table tag "fmtx" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_JUST

        static final int TAG_JUST
        Justification. Table tag "just" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_LCAR

        static final int TAG_LCAR
        Ligature caret. Table tag "lcar" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_MORT

        static final int TAG_MORT
        Glyph metamorphosis. Table tag "mort" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_OPBD

        static final int TAG_OPBD
        Optical bounds. Table tag "opbd" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_PROP

        static final int TAG_PROP
        Glyph properties. Table tag "prop" in the Open Type Specification.
        See Also:
        Constant Field Values
      • TAG_TRAK

        static final int TAG_TRAK
        Tracking. Table tag "trak" in the Open Type Specification.
        See Also:
        Constant Field Values
    • Method Detail

      • getVersion

        int getVersion()
        Returns the version of the OpenType font. 1.0 is represented as 0x00010000.
        Returns:
        the version of the OpenType font.
      • getFontTable

        byte[] getFontTable(int sfntTag)
        Returns the table as an array of bytes for a specified tag. Tags for sfnt tables include items like cmap, name and head. The byte array returned is a copy of the font data in memory.
        Parameters:
        sfntTag - a four-character code as a 32-bit integer
        Returns:
        a byte array that is the table that contains the font data corresponding to the specified tag.
      • getFontTable

        byte[] getFontTable(String strSfntTag)
        Returns the table as an array of bytes for a specified tag. Tags for sfnt tables include items like cmap, name and head. The byte array returned is a copy of the font data in memory.
        Parameters:
        strSfntTag - a four-character code as a String
        Returns:
        a byte array that is the table that contains the font data corresponding to the specified tag.
      • getFontTable

        byte[] getFontTable(int sfntTag,
                            int offset,
                            int count)
        Returns a subset of the table as an array of bytes for a specified tag. Tags for sfnt tables include items like cmap, name and head. The byte array returned is a copy of the font data in memory.
        Parameters:
        sfntTag - a four-character code as a 32-bit integer
        offset - index of first byte to return from table
        count - number of bytes to return from table
        Returns:
        a subset of the table corresponding to sfntTag and containing the bytes starting at offset byte and including count bytes.
      • getFontTable

        byte[] getFontTable(String strSfntTag,
                            int offset,
                            int count)
        Returns a subset of the table as an array of bytes for a specified tag. Tags for sfnt tables include items like cmap, name and head. The byte array returned is a copy of the font data in memory.
        Parameters:
        strSfntTag - a four-character code as a String
        offset - index of first byte to return from table
        count - number of bytes to return from table
        Returns:
        a subset of the table corresponding to strSfntTag and containing the bytes starting at offset byte and including count bytes.
      • getFontTableSize

        int getFontTableSize(int sfntTag)
        Returns the size of the table for a specified tag. Tags for sfnt tables include items like cmap, name and head.
        Parameters:
        sfntTag - a four-character code as a 32-bit integer
        Returns:
        the size of the table corresponding to the specified tag.
      • getFontTableSize

        int getFontTableSize(String strSfntTag)
        Returns the size of the table for a specified tag. Tags for sfnt tables include items like cmap, name and head.
        Parameters:
        strSfntTag - a four-character code as a String
        Returns:
        the size of the table corresponding to the specified tag.


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