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java.lang.Objectorg.apache.batik.gvt.text.BidiAttributedCharacterIterator
public class BidiAttributedCharacterIterator
An attributed character iterator that does the reordering of the characters for bidirectional text. It reorders the characters so they are in visual order. It also assigns a BIDI_LEVEL attribute to each character which can be used to split the reordered ACI into text runs based on direction. ie. characters in a text run will all have the same bidi level.
Nested Class Summary |
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Nested classes/interfaces inherited from interface java.text.AttributedCharacterIterator |
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AttributedCharacterIterator.Attribute |
Field Summary |
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Fields inherited from interface java.text.CharacterIterator |
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DONE |
Constructor Summary | |
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BidiAttributedCharacterIterator(AttributedCharacterIterator aci,
FontRenderContext frc,
int chunkStart)
Constructs a character iterator that represents the visual display order of characters within bidirectional text. |
protected |
BidiAttributedCharacterIterator(AttributedCharacterIterator reorderedACI,
FontRenderContext frc,
int chunkStart,
int[] newCharOrder)
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Method Summary | |
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Object |
clone()
Creates a copy of this iterator. |
char |
current()
Gets the character at the current position (as returned by getIndex()). |
char |
first()
Sets the position to getBeginIndex() and returns the character at that position. |
Set |
getAllAttributeKeys()
Get the keys of all attributes defined on the iterator's text range. |
Object |
getAttribute(AttributedCharacterIterator.Attribute attribute)
Get the value of the named attribute for the current character. |
Map |
getAttributes()
Returns a map with the attributes defined on the current character. |
int |
getBeginIndex()
Returns the start index of the text. |
int[] |
getCharMap()
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int |
getEndIndex()
Returns the end index of the text. |
int |
getIndex()
Returns the current index. |
int |
getRunLimit()
Get the index of the first character following the run with respect to all attributes containing the current character. |
int |
getRunLimit(AttributedCharacterIterator.Attribute attribute)
Get the index of the first character following the run with respect to the given attribute containing the current character. |
int |
getRunLimit(Set attributes)
Get the index of the first character following the run with respect to the given attributes containing the current character. |
int |
getRunStart()
Get the index of the first character of the run with respect to all attributes containing the current character. |
int |
getRunStart(AttributedCharacterIterator.Attribute attribute)
Get the index of the first character of the run with respect to the given attribute containing the current character. |
int |
getRunStart(Set attributes)
Get the index of the first character of the run with respect to the given attributes containing the current character. |
char |
last()
Sets the position to getEndIndex()-1 (getEndIndex() if the text is empty) and returns the character at that position. |
static int |
mirrorChar(int c)
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char |
next()
Increments the iterator's index by one and returns the character at the new index. |
char |
previous()
Decrements the iterator's index by one and returns the character at the new index. |
char |
setIndex(int position)
Sets the position to the specified position in the text and returns that character. |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected BidiAttributedCharacterIterator(AttributedCharacterIterator reorderedACI, FontRenderContext frc, int chunkStart, int[] newCharOrder)
public BidiAttributedCharacterIterator(AttributedCharacterIterator aci, FontRenderContext frc, int chunkStart)
aci
- The character iterator containing the characters in logical
order.frc
- The current font render contextMethod Detail |
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public int[] getCharMap()
public Set getAllAttributeKeys()
getAllAttributeKeys
in interface AttributedCharacterIterator
public Object getAttribute(AttributedCharacterIterator.Attribute attribute)
getAttribute
in interface AttributedCharacterIterator
public Map getAttributes()
getAttributes
in interface AttributedCharacterIterator
public int getRunLimit()
getRunLimit
in interface AttributedCharacterIterator
public int getRunLimit(AttributedCharacterIterator.Attribute attribute)
getRunLimit
in interface AttributedCharacterIterator
public int getRunLimit(Set attributes)
getRunLimit
in interface AttributedCharacterIterator
public int getRunStart()
getRunStart
in interface AttributedCharacterIterator
public int getRunStart(AttributedCharacterIterator.Attribute attribute)
getRunStart
in interface AttributedCharacterIterator
attribute
- The attribute for whose appearance the first offset
is requested.public int getRunStart(Set attributes)
getRunStart
in interface AttributedCharacterIterator
attributes
- the Set of attributes which begins at the returned index.public Object clone()
clone
in interface CharacterIterator
clone
in class Object
public char current()
current
in interface CharacterIterator
public char first()
first
in interface CharacterIterator
public int getBeginIndex()
getBeginIndex
in interface CharacterIterator
public int getEndIndex()
getEndIndex
in interface CharacterIterator
public int getIndex()
getIndex
in interface CharacterIterator
public char last()
last
in interface CharacterIterator
public char next()
next
in interface CharacterIterator
public char previous()
previous
in interface CharacterIterator
public char setIndex(int position)
setIndex
in interface CharacterIterator
public static int mirrorChar(int c)
c
- the character to 'mirror'
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