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

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

Method Summary

Modifier and Type	Method	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. 1.0 is represented as 0x00010000.

Field Details

TAG_CMAP

static final int TAG_CMAP

Character to glyph mapping. Table tag "cmap" in the Open Type Specification.

See Also:

TAG_HEAD

static final int TAG_HEAD

Font header. Table tag "head" in the Open Type Specification.

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TAG_NAME

static final int TAG_NAME

Naming table. Table tag "name" in the Open Type Specification.

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TAG_GLYF

static final int TAG_GLYF

Glyph data. Table tag "glyf" in the Open Type Specification.

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TAG_MAXP

static final int TAG_MAXP

Maximum profile. Table tag "maxp" in the Open Type Specification.

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TAG_PREP

static final int TAG_PREP

CVT preprogram. Table tag "prep" in the Open Type Specification.

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TAG_HMTX

static final int TAG_HMTX

Horizontal metrics. Table tag "hmtx" in the Open Type Specification.

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TAG_KERN

static final int TAG_KERN

Kerning. Table tag "kern" in the Open Type Specification.

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TAG_HDMX

static final int TAG_HDMX

Horizontal device metrics. Table tag "hdmx" in the Open Type Specification.

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TAG_LOCA

static final int TAG_LOCA

Index to location. Table tag "loca" in the Open Type Specification.

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TAG_POST

static final int TAG_POST

PostScript Information. Table tag "post" in the Open Type Specification.

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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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TAG_CVT

static final int TAG_CVT

Control value table. Table tag "cvt " in the Open Type Specification.

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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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TAG_VDMX

static final int TAG_VDMX

Vertical device metrics. Table tag "VDMX" in the Open Type Specification.

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TAG_VMTX

static final int TAG_VMTX

Vertical metrics. Table tag "vmtx" in the Open Type Specification.

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TAG_VHEA

static final int TAG_VHEA

Vertical metrics header. Table tag "vhea" in the Open Type Specification.

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TAG_HHEA

static final int TAG_HHEA

Horizontal metrics header. Table tag "hhea" in the Open Type Specification.

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TAG_TYP1

static final int TAG_TYP1

Adobe Type 1 font data. Table tag "typ1" in the Open Type Specification.

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TAG_BSLN

static final int TAG_BSLN

Baseline table. Table tag "bsln" in the Open Type Specification.

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TAG_GSUB

static final int TAG_GSUB

Glyph substitution. Table tag "GSUB" in the Open Type Specification.

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TAG_DSIG

static final int TAG_DSIG

Digital signature. Table tag "DSIG" in the Open Type Specification.

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TAG_FPGM

static final int TAG_FPGM

Font program. Table tag "fpgm" in the Open Type Specification.

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TAG_FVAR

static final int TAG_FVAR

Font variation. Table tag "fvar" in the Open Type Specification.

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TAG_GVAR

static final int TAG_GVAR

Glyph variation. Table tag "gvar" in the Open Type Specification.

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TAG_CFF

static final int TAG_CFF

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

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TAG_MMSD

static final int TAG_MMSD

Multiple master supplementary data. Table tag "MMSD" in the Open Type Specification.

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TAG_MMFX

static final int TAG_MMFX

Multiple master font metrics. Table tag "MMFX" in the Open Type Specification.

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TAG_BASE

static final int TAG_BASE

Baseline data. Table tag "BASE" in the Open Type Specification.

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TAG_GDEF

static final int TAG_GDEF

Glyph definition. Table tag "GDEF" in the Open Type Specification.

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TAG_GPOS

static final int TAG_GPOS

Glyph positioning. Table tag "GPOS" in the Open Type Specification.

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TAG_JSTF

static final int TAG_JSTF

Justification. Table tag "JSTF" in the Open Type Specification.

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TAG_EBDT

static final int TAG_EBDT

Embedded bitmap data. Table tag "EBDT" in the Open Type Specification.

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TAG_EBLC

static final int TAG_EBLC

Embedded bitmap location. Table tag "EBLC" in the Open Type Specification.

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TAG_EBSC

static final int TAG_EBSC

Embedded bitmap scaling. Table tag "EBSC" in the Open Type Specification.

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TAG_LTSH

static final int TAG_LTSH

Linear threshold. Table tag "LTSH" in the Open Type Specification.

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TAG_PCLT

static final int TAG_PCLT

PCL 5 data. Table tag "PCLT" in the Open Type Specification.

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TAG_ACNT

static final int TAG_ACNT

Accent attachment. Table tag "acnt" in the Open Type Specification.

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TAG_AVAR

static final int TAG_AVAR

Axis variation. Table tag "avar" in the Open Type Specification.

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TAG_BDAT

static final int TAG_BDAT

Bitmap data. Table tag "bdat" in the Open Type Specification.

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TAG_BLOC

static final int TAG_BLOC

Bitmap location. Table tag "bloc" in the Open Type Specification.

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TAG_CVAR

static final int TAG_CVAR

CVT variation. Table tag "cvar" in the Open Type Specification.

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TAG_FEAT

static final int TAG_FEAT

Feature name. Table tag "feat" in the Open Type Specification.

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TAG_FDSC

static final int TAG_FDSC

Font descriptors. Table tag "fdsc" in the Open Type Specification.

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TAG_FMTX

static final int TAG_FMTX

Font metrics. Table tag "fmtx" in the Open Type Specification.

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TAG_JUST

static final int TAG_JUST

Justification. Table tag "just" in the Open Type Specification.

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TAG_LCAR

static final int TAG_LCAR

Ligature caret. Table tag "lcar" in the Open Type Specification.

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TAG_MORT

static final int TAG_MORT

Glyph metamorphosis. Table tag "mort" in the Open Type Specification.

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TAG_OPBD

static final int TAG_OPBD

Optical bounds. Table tag "opbd" in the Open Type Specification.

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TAG_PROP

static final int TAG_PROP

Glyph properties. Table tag "prop" in the Open Type Specification.

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TAG_TRAK

static final int TAG_TRAK

Tracking. Table tag "trak" in the Open Type Specification.

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Method Details

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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