Module org.jfree.chart

Package org.jfree.chart.text

Class TextBlock

java.lang.Object

org.jfree.chart.text.TextBlock

All Implemented Interfaces:

Serializable

public class TextBlock
extends Object
implements Serializable

A list of TextLine objects that form a block of text.

See Also:

TextUtils.createTextBlock(String, Font, Paint), Serialized Form

Constructor Summary

Constructors

Constructor	Description
TextBlock()	Creates a new empty text block.

Method Summary

Modifier and Type	Method	Description
void	addLine(String text, Font font, Paint paint)	Adds a line of text that will be displayed using the specified font and color.
void	addLine(TextLine line)	Adds a TextLine to the block.
Shape	calculateBounds(Graphics2D g2, float anchorX, float anchorY, TextBlockAnchor anchor, float rotateX, float rotateY, double angle)	Returns the bounds of the text block.
org.jfree.chart.block.Size2D	calculateDimensions(Graphics2D g2)	Returns the width and height of the text block.
void	draw(Graphics2D g2, float x, float y, TextBlockAnchor anchor)	Draws the text block at a specific location.
void	draw(Graphics2D g2, float anchorX, float anchorY, TextBlockAnchor anchor, float rotateX, float rotateY, double angle)	Draws the text block, aligning it with the specified anchor point and rotating it about the specified rotation point.
boolean	equals(Object obj)	Tests this object for equality with an arbitrary object.
TextLine	getLastLine()	Returns the last line in the block.
HorizontalAlignment	getLineAlignment()	Returns the alignment of the lines of text within the block.
List<TextLine>	getLines()	Returns an unmodifiable list containing the lines for the text block.
int	hashCode()	Returns a hash code for this object.
void	setLineAlignment(HorizontalAlignment alignment)	Sets the alignment of the lines of text within the block.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TextBlock

public TextBlock()

Creates a new empty text block.

Method Detail

getLineAlignment

public HorizontalAlignment getLineAlignment()

Returns the alignment of the lines of text within the block.

Returns:

The alignment (never null).

setLineAlignment

public void setLineAlignment(HorizontalAlignment alignment)

Sets the alignment of the lines of text within the block.

Parameters:

alignment - the alignment (null not permitted).

addLine

public void addLine(String text,
                    Font font,
                    Paint paint)

Adds a line of text that will be displayed using the specified font and color.

Parameters:

text - the text (null not permitted).

font - the font (null not permitted).

paint - the paint (null not permitted).

addLine

public void addLine(TextLine line)

Adds a TextLine to the block.

Parameters:

line - the line.

getLastLine

public TextLine getLastLine()

Returns the last line in the block.

Returns:

The last line in the block.

getLines

public List<TextLine> getLines()

Returns an unmodifiable list containing the lines for the text block.

Returns:

A list of TextLine objects.

calculateDimensions

public org.jfree.chart.block.Size2D calculateDimensions(Graphics2D g2)

Returns the width and height of the text block.

Parameters:

g2 - the graphics device.

Returns:

The width and height.

calculateBounds

public Shape calculateBounds(Graphics2D g2,
                             float anchorX,
                             float anchorY,
                             TextBlockAnchor anchor,
                             float rotateX,
                             float rotateY,
                             double angle)

Returns the bounds of the text block.

Parameters:

g2 - the graphics device (null not permitted).

anchorX - the x-coordinate for the anchor point.

anchorY - the y-coordinate for the anchor point.

anchor - the text block anchor (null not permitted).

rotateX - the x-coordinate for the rotation point.

rotateY - the y-coordinate for the rotation point.

angle - the rotation angle.

Returns:

The bounds.

draw

public void draw(Graphics2D g2,
                 float x,
                 float y,
                 TextBlockAnchor anchor)

Draws the text block at a specific location.

Parameters:

g2 - the graphics device.

x - the x-coordinate for the anchor point.

y - the y-coordinate for the anchor point.

anchor - the anchor point.

draw

public void draw(Graphics2D g2,
                 float anchorX,
                 float anchorY,
                 TextBlockAnchor anchor,
                 float rotateX,
                 float rotateY,
                 double angle)

Draws the text block, aligning it with the specified anchor point and rotating it about the specified rotation point.

Parameters:

g2 - the graphics device.

anchorX - the x-coordinate for the anchor point.

anchorY - the y-coordinate for the anchor point.

anchor - the point on the text block that is aligned to the anchor point.

rotateX - the x-coordinate for the rotation point.

rotateY - the x-coordinate for the rotation point.

angle - the rotation (in radians).

equals

public boolean equals(Object obj)

Tests this object for equality with an arbitrary object.

Overrides:

equals in class Object

Parameters:

obj - the object to test against (null permitted).

Returns:

A boolean.

hashCode

public int hashCode()

Returns a hash code for this object.

Overrides:

hashCode in class Object

Returns:

A hash code.