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org.apache.batik.bridge
Class TextNode

java.lang.Object
  extended by org.apache.batik.gvt.AbstractGraphicsNode
      extended by org.apache.batik.bridge.TextNode
All Implemented Interfaces:
GraphicsNode, Selectable
Direct Known Subclasses:
FlowExtTextNode, FlowTextNode
public class TextNode
extends AbstractGraphicsNode
implements Selectable

A graphics node that represents text.

Nested Class Summary
static class TextNode.Anchor
          Defines where the text of a TextNode can be anchored relative to its location.
 
Field Summary
protected  AttributedCharacterIterator aci
          Attributed Character Iterator describing the text
protected  Mark beginMark
          The begin mark.
protected  Mark endMark
          The end mark.
protected  Point2D location
          Location of this text node (inherited, independent of explicit X and Y attributes applied to children).
static AttributedCharacterIterator.Attribute PAINT_INFO
           
protected  String text
          The text of this TextNode.
protected  TextPainter textPainter
          The text painter used to display the text of this text node.
protected  List textRuns
          The list of text runs.
 
Fields inherited from class org.apache.batik.gvt.AbstractGraphicsNode
changeCompletedEvent, changeStartedEvent, clip, composite, enableBackgroundGraphicsNodeRable, filter, graphicsNodeRable, hints, inverseTransform, isVisible, listeners, mask, parent, pointerEventType, root, transform, weakRef
 
Fields inherited from interface org.apache.batik.gvt.GraphicsNode
ALL, FILL, IDENTITY, NONE, PAINTED, STROKE, VISIBLE, VISIBLE_FILL, VISIBLE_PAINTED, VISIBLE_STROKE
 
Constructor Summary
TextNode()
          Constructs a new empty TextNode.
 
Method Summary
 boolean contains(Point2D p)
          Returns true if the specified Point2D is inside the boundary of this node, false otherwise.
protected  boolean contains(Point2D p, Rectangle2D b)
           
 AttributedCharacterIterator getAttributedCharacterIterator()
          Returns the attributed character iterator of this text node.
 Rectangle2D getGeometryBounds()
          Returns the bounds of the area covered by this node, without taking any of its rendering attribute into account.
 Shape getHighlightShape()
          Returns the shape used to outline this text node.
 Point2D getLocation()
          Returns the location of this text node.
 Mark getMarkerForChar(int index, boolean beforeChar)
          Return the marker for the character at index in this nodes AttributedCharacterIterator.
 Shape getOutline()
          Returns the outline of this node.
 Rectangle2D getPrimitiveBounds()
          Returns the bounds of the area covered by this node's primitive paint.
 Object getSelection()
          Gets the current text selection.
 Rectangle2D getSensitiveBounds()
          Returns the bounds of the sensitive area covered by this node, This includes the stroked area but does not include the effects of clipping, masking or filtering.
 String getText()
          Returns the text of this TextNode as a string.
 TextPainter getTextPainter()
          Returns the text painter of this text node.
 List getTextRuns()
          Returns a list of text runs.
protected  void invalidateGeometryCache()
          Invalidates this TextNode.
 void primitivePaint(Graphics2D g2d)
          Paints this node without applying Filter, Mask, Composite, and clip.
 boolean selectAll(double x, double y)
          Selects all the text in this TextNode.
 boolean selectAt(double x, double y)
          Initializes the current selection to begin with the character at (x, y).
 boolean selectTo(double x, double y)
          Extends the current selection to the character at (x, y).
 void setAttributedCharacterIterator(AttributedCharacterIterator newAci)
          Sets the attributed character iterator of this text node.
 void setLocation(Point2D newLocation)
          Sets the location of this text node.
 void setSelection(Mark begin, Mark end)
           
 void setTextPainter(TextPainter textPainter)
          Sets the text painter of this text node.
 void setTextRuns(List textRuns)
          Sets the list of text runs of this text node.
 void swapTextPaintInfo(TextPaintInfo newInfo, TextPaintInfo oldInfo)
           
 
Methods inherited from class org.apache.batik.gvt.AbstractGraphicsNode
fireGraphicsNodeChangeCompleted, fireGraphicsNodeChangeStarted, fireGraphicsNodeChangeStarted, fireGraphicsNodeChangeStarted, getBounds, getClip, getComposite, getEnableBackgroundGraphicsNodeRable, getFilter, getGlobalTransform, getGraphicsNodeRable, getInverseTransform, getMask, getParent, getPointerEventType, getRenderingHints, getRoot, getTransform, getTransformedBounds, getTransformedGeometryBounds, getTransformedPrimitiveBounds, getTransformedSensitiveBounds, getWeakReference, intersects, isAntialiasedClip, isOffscreenBufferNeeded, isVisible, nodeHitAt, normalizeRectangle, paint, setClip, setComposite, setFilter, setMask, setParent, setPointerEventType, setRenderingHint, setRenderingHints, setRenderingHints, setRoot, setTransform, setVisible
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

PAINT_INFO

public static final AttributedCharacterIterator.Attribute PAINT_INFO

location

protected Point2D location
Location of this text node (inherited, independent of explicit X and Y attributes applied to children).

aci

protected AttributedCharacterIterator aci
Attributed Character Iterator describing the text

text

protected String text
The text of this TextNode.

beginMark

protected Mark beginMark
The begin mark.

endMark

protected Mark endMark
The end mark.

textRuns

protected List textRuns
The list of text runs.

textPainter

protected TextPainter textPainter
The text painter used to display the text of this text node.

Constructor Detail

TextNode

public TextNode()
Constructs a new empty TextNode.

Method Detail

setTextPainter

public void setTextPainter(TextPainter textPainter)
Sets the text painter of this text node. If the specified text painter is null, this text node will use its default text painter (StrokingTextPainter.getInstance()).

Parameters:
textPainter - the text painter to use

getTextPainter

public TextPainter getTextPainter()
Returns the text painter of this text node.

getTextRuns

public List getTextRuns()
Returns a list of text runs.

setTextRuns

public void setTextRuns(List textRuns)
Sets the list of text runs of this text node.

Parameters:
textRuns - the new list of text runs

getText

public String getText()
Returns the text of this TextNode as a string.

setLocation

public void setLocation(Point2D newLocation)
Sets the location of this text node.

Parameters:
newLocation - the new location of this text node

getLocation

public Point2D getLocation()
Returns the location of this text node.

Returns:
the location of this text node

swapTextPaintInfo

public void swapTextPaintInfo(TextPaintInfo newInfo,
                              TextPaintInfo oldInfo)

setAttributedCharacterIterator

public void setAttributedCharacterIterator(AttributedCharacterIterator newAci)
Sets the attributed character iterator of this text node.

Parameters:
newAci - the new attributed character iterator

getAttributedCharacterIterator

public AttributedCharacterIterator getAttributedCharacterIterator()
Returns the attributed character iterator of this text node.

Returns:
the attributed character iterator

invalidateGeometryCache

protected void invalidateGeometryCache()
Invalidates this TextNode. This node and all its ancestors have been informed that all its cached values related to its bounds must be recomputed.

Overrides:
invalidateGeometryCache in class AbstractGraphicsNode

getPrimitiveBounds

public Rectangle2D getPrimitiveBounds()
Returns the bounds of the area covered by this node's primitive paint.

Specified by:
getPrimitiveBounds in interface GraphicsNode

getGeometryBounds

public Rectangle2D getGeometryBounds()
Returns the bounds of the area covered by this node, without taking any of its rendering attribute into account. That is, exclusive of any clipping, masking, filtering or stroking, for example.

Specified by:
getGeometryBounds in interface GraphicsNode

getSensitiveBounds

public Rectangle2D getSensitiveBounds()
Returns the bounds of the sensitive area covered by this node, This includes the stroked area but does not include the effects of clipping, masking or filtering.

Specified by:
getSensitiveBounds in interface GraphicsNode

getOutline

public Shape getOutline()
Returns the outline of this node.

Specified by:
getOutline in interface GraphicsNode

getMarkerForChar

public Mark getMarkerForChar(int index,
                             boolean beforeChar)
Return the marker for the character at index in this nodes AttributedCharacterIterator. Before Char indicates if the Marker should be considered before or after char.

setSelection

public void setSelection(Mark begin,
                         Mark end)

selectAt

public boolean selectAt(double x,
                        double y)
Initializes the current selection to begin with the character at (x, y).

Specified by:
selectAt in interface Selectable
Parameters:
x - the x coordinate of the start of the selection
y - the y coordinate of the start of the selection
Returns:
true if action resulted in change of selection.

selectTo

public boolean selectTo(double x,
                        double y)
Extends the current selection to the character at (x, y).

Specified by:
selectTo in interface Selectable
Parameters:
x - the x coordinate of the end of the selection
y - the y coordinate of the end of the selection
Returns:
true if action resulted in change of selection.

selectAll

public boolean selectAll(double x,
                         double y)
Selects all the text in this TextNode. The coordinates are ignored.

Specified by:
selectAll in interface Selectable
Parameters:
x - the x coordinate of the point the selection was made
y - the y coordinate of the point the selection was made
Returns:
true if action resulted in change of selection.

getSelection

public Object getSelection()
Gets the current text selection.

Specified by:
getSelection in interface Selectable
Returns:
an object containing the selected content.

getHighlightShape

public Shape getHighlightShape()
Returns the shape used to outline this text node.

Specified by:
getHighlightShape in interface Selectable
Returns:
a Shape which encloses the current text selection.

primitivePaint

public void primitivePaint(Graphics2D g2d)
Paints this node without applying Filter, Mask, Composite, and clip.

Specified by:
primitivePaint in interface GraphicsNode
Parameters:
g2d - the Graphics2D to use

contains

public boolean contains(Point2D p)
Returns true if the specified Point2D is inside the boundary of this node, false otherwise.

Specified by:
contains in interface GraphicsNode
Overrides:
contains in class AbstractGraphicsNode
Parameters:
p - the specified Point2D in the user space

contains

protected boolean contains(Point2D p,
                           Rectangle2D b)
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