Package org.apache.fontbox.ttf
Class VerticalHeaderTable
java.lang.Object
org.apache.fontbox.ttf.TTFTable
org.apache.fontbox.ttf.VerticalHeaderTable
A vertical header 'vhea' table in a TrueType or OpenType font.
Supports versions 1.0 and 1.1, for which the only difference is changing
the specification names and descriptions of the ascender, descender,
and lineGap fields to vertTypoAscender, vertTypoDescender, vertTypeLineGap.
This table is required by the OpenType CJK Font Guidelines for "all
OpenType fonts that are used for vertical writing".
This table is specified in both the TrueType and OpenType specifications.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate int
private short
private short
private short
private short
private short
private short
private short
private short
private short
private int
private short
private short
private short
private short
static final String
A tag that identifies this table type.private float
private short
Fields inherited from class org.apache.fontbox.ttf.TTFTable
font, initialized
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionint
short
short
short
short
short
short
short
short
short
int
short
short
short
short
float
short
(package private) void
read
(TrueTypeFont ttf, TTFDataStream data) This will read the required data from the stream.Methods inherited from class org.apache.fontbox.ttf.TTFTable
getCheckSum, getInitialized, getLength, getOffset, getTag, setCheckSum, setLength, setOffset, setTag
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Field Details
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TAG
A tag that identifies this table type.- See Also:
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version
private float version -
ascender
private short ascender -
descender
private short descender -
lineGap
private short lineGap -
advanceHeightMax
private int advanceHeightMax -
minTopSideBearing
private short minTopSideBearing -
minBottomSideBearing
private short minBottomSideBearing -
yMaxExtent
private short yMaxExtent -
caretSlopeRise
private short caretSlopeRise -
caretSlopeRun
private short caretSlopeRun -
caretOffset
private short caretOffset -
reserved1
private short reserved1 -
reserved2
private short reserved2 -
reserved3
private short reserved3 -
reserved4
private short reserved4 -
metricDataFormat
private short metricDataFormat -
numberOfVMetrics
private int numberOfVMetrics
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Constructor Details
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VerticalHeaderTable
VerticalHeaderTable(TrueTypeFont font)
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Method Details
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read
This will read the required data from the stream.- Overrides:
read
in classTTFTable
- Parameters:
ttf
- The font that is being read.data
- The stream to read the data from.- Throws:
IOException
- If there is an error reading the data.
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getAdvanceHeightMax
public int getAdvanceHeightMax()- Returns:
- Returns the advanceHeightMax.
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getAscender
public short getAscender()- Returns:
- Returns the ascender.
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getCaretSlopeRise
public short getCaretSlopeRise()- Returns:
- Returns the caretSlopeRise.
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getCaretSlopeRun
public short getCaretSlopeRun()- Returns:
- Returns the caretSlopeRun.
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getCaretOffset
public short getCaretOffset()- Returns:
- Returns the caretOffset.
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getDescender
public short getDescender()- Returns:
- Returns the descender.
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getLineGap
public short getLineGap()- Returns:
- Returns the lineGap.
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getMetricDataFormat
public short getMetricDataFormat()- Returns:
- Returns the metricDataFormat.
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getMinTopSideBearing
public short getMinTopSideBearing()- Returns:
- Returns the minTopSideBearing.
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getMinBottomSideBearing
public short getMinBottomSideBearing()- Returns:
- Returns the minBottomSideBearing.
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getNumberOfVMetrics
public int getNumberOfVMetrics()- Returns:
- Returns the numberOfVMetrics.
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getReserved1
public short getReserved1()- Returns:
- Returns the reserved1.
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getReserved2
public short getReserved2()- Returns:
- Returns the reserved2.
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getReserved3
public short getReserved3()- Returns:
- Returns the reserved3.
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getReserved4
public short getReserved4()- Returns:
- Returns the reserved4.
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getVersion
public float getVersion()- Returns:
- Returns the version.
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getYMaxExtent
public short getYMaxExtent()- Returns:
- Returns the yMaxExtent.
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