Java™ Platform
Standard Ed. 6

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 fonts, see the Apple TrueType Reference Manual ( http://fonts.apple.com/TTRefMan/index.html ).


Field Summary
static int TAG_ACNT
          Accent attachment.
static int TAG_AVAR
          Axis variaiton.
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
 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.

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Constant Field Values

TAG_HEAD

static final int TAG_HEAD
Font header. Table tag "head" in the Open Type Specification.

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Constant Field Values

TAG_NAME

static final int TAG_NAME
Naming table. Table tag "name" in the Open Type Specification.

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Constant Field Values

TAG_GLYF

static final int TAG_GLYF
Glyph data. Table tag "glyf" in the Open Type Specification.

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Constant Field Values

TAG_MAXP

static final int TAG_MAXP
Maximum profile. Table tag "maxp" in the Open Type Specification.

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Constant Field Values

TAG_PREP

static final int TAG_PREP
CVT preprogram. Table tag "prep" in the Open Type Specification.

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Constant Field Values

TAG_HMTX

static final int TAG_HMTX
Horizontal metrics. Table tag "hmtx" in the Open Type Specification.

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Constant Field Values

TAG_KERN

static final int TAG_KERN
Kerning. Table tag "kern" in the Open Type Specification.

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Constant Field Values

TAG_HDMX

static final int TAG_HDMX
Horizontal device metrics. Table tag "hdmx" in the Open Type Specification.

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Constant Field Values

TAG_LOCA

static final int TAG_LOCA
Index to location. Table tag "loca" in the Open Type Specification.

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Constant Field Values

TAG_POST

static final int TAG_POST
PostScript Information. Table tag "post" in the Open Type Specification.

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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.

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Constant Field Values

TAG_CVT

static final int TAG_CVT
Control value table. Table tag "cvt " in the Open Type Specification.

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Constant Field Values

TAG_GASP

static final int TAG_GASP
Grid-fitting and scan conversion procedure. Table tag "gasp" in the Open Type Specification.

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Constant Field Values

TAG_VDMX

static final int TAG_VDMX
Vertical device metrics. Table tag "VDMX" in the Open Type Specification.

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Constant Field Values

TAG_VMTX

static final int TAG_VMTX
Vertical metrics. Table tag "vmtx" in the Open Type Specification.

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Constant Field Values

TAG_VHEA

static final int TAG_VHEA
Vertical metrics header. Table tag "vhea" in the Open Type Specification.

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Constant Field Values

TAG_HHEA

static final int TAG_HHEA
Horizontal metrics header. Table tag "hhea" in the Open Type Specification.

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Constant Field Values

TAG_TYP1

static final int TAG_TYP1
Adobe Type 1 font data. Table tag "typ1" in the Open Type Specification.

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Constant Field Values

TAG_BSLN

static final int TAG_BSLN
Baseline table. Table tag "bsln" in the Open Type Specification.

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Constant Field Values

TAG_GSUB

static final int TAG_GSUB
Glyph substitution. Table tag "GSUB" in the Open Type Specification.

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Constant Field Values

TAG_DSIG

static final int TAG_DSIG
Digital signature. Table tag "DSIG" in the Open Type Specification.

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Constant Field Values

TAG_FPGM

static final int TAG_FPGM
Font program. Table tag "fpgm" in the Open Type Specification.

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Constant Field Values

TAG_FVAR

static final int TAG_FVAR
Font variation. Table tag "fvar" in the Open Type Specification.

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Constant Field Values

TAG_GVAR

static final int TAG_GVAR
Glyph variation. Table tag "gvar" in the Open Type Specification.

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Constant Field Values

TAG_CFF

static final int TAG_CFF
Compact font format (Type1 font). Table tag "CFF " in the Open Type Specification.

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Constant Field Values

TAG_MMSD

static final int TAG_MMSD
Multiple master supplementary data. Table tag "MMSD" in the Open Type Specification.

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Constant Field Values

TAG_MMFX

static final int TAG_MMFX
Multiple master font metrics. Table tag "MMFX" in the Open Type Specification.

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Constant Field Values

TAG_BASE

static final int TAG_BASE
Baseline data. Table tag "BASE" in the Open Type Specification.

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Constant Field Values

TAG_GDEF

static final int TAG_GDEF
Glyph definition. Table tag "GDEF" in the Open Type Specification.

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Constant Field Values

TAG_GPOS

static final int TAG_GPOS
Glyph positioning. Table tag "GPOS" in the Open Type Specification.

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Constant Field Values

TAG_JSTF

static final int TAG_JSTF
Justification. Table tag "JSTF" in the Open Type Specification.

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Constant Field Values

TAG_EBDT

static final int TAG_EBDT
Embedded bitmap data. Table tag "EBDT" in the Open Type Specification.

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Constant Field Values

TAG_EBLC

static final int TAG_EBLC
Embedded bitmap location. Table tag "EBLC" in the Open Type Specification.

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Constant Field Values

TAG_EBSC

static final int TAG_EBSC
Embedded bitmap scaling. Table tag "EBSC" in the Open Type Specification.

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Constant Field Values

TAG_LTSH

static final int TAG_LTSH
Linear threshold. Table tag "LTSH" in the Open Type Specification.

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Constant Field Values

TAG_PCLT

static final int TAG_PCLT
PCL 5 data. Table tag "PCLT" in the Open Type Specification.

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Constant Field Values

TAG_ACNT

static final int TAG_ACNT
Accent attachment. Table tag "acnt" in the Open Type Specification.

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Constant Field Values

TAG_AVAR

static final int TAG_AVAR
Axis variaiton. 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.

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Constant Field Values

TAG_BLOC

static final int TAG_BLOC
Bitmap location. Table tag "bloc" in the Open Type Specification.

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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.

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Constant Field Values

TAG_OPBD

static final int TAG_OPBD
Optical bounds. Table tag "opbd" in the Open Type Specification.

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Constant Field Values

TAG_PROP

static final int TAG_PROP
Glyph properties. Table tag "prop" in the Open Type Specification.

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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.

Java™ Platform
Standard Ed. 6

Submit a bug or feature
For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.


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