org.geotools.styling

Class TextSymbolizerImpl

Object

AbstractSymbolizer

TextSymbolizerImpl

All Implemented Interfaces:

Cloneable, TextSymbolizer2, Symbolizer, TextSymbolizer

public class TextSymbolizerImpl
extends AbstractSymbolizer
implements TextSymbolizer2, Cloneable

Provides a Java representation of an SLD TextSymbolizer that defines how text symbols should be rendered.

Author:

Ian Turton, CCG, Johann Sorel (Geomatys)

Nested Class Summary

Nested classes/interfaces inherited from interface TextSymbolizer

TextSymbolizer.PolygonAlignOptions

Field Summary

Fields inherited from class AbstractSymbolizer

geometry, name, options, unitOfMeasure

Fields inherited from interface TextSymbolizer

ALLOW_OVERRUNS_KEY, AUTO_WRAP_KEY, CONFLICT_RESOLUTION_KEY, DEFAULT_ALLOW_OVERRUNS, DEFAULT_AUTO_WRAP, DEFAULT_CONFLICT_RESOLUTION, DEFAULT_FOLLOW_LINE, DEFAULT_FORCE_LEFT_TO_RIGHT, DEFAULT_GOODNESS_OF_FIT, DEFAULT_GROUP, DEFAULT_LABEL_ALL_GROUP, DEFAULT_LABEL_REPEAT, DEFAULT_MAX_ANGLE_DELTA, DEFAULT_MAX_DISPLACEMENT, DEFAULT_MIN_GROUP_DISTANCE, DEFAULT_PARTIALS, DEFAULT_POLYGONALIGN, DEFAULT_REMOVE_OVERLAPS, DEFAULT_SPACE_AROUND, FOLLOW_LINE_KEY, FORCE_LEFT_TO_RIGHT_KEY, GOODNESS_OF_FIT_KEY, GRAPHIC_MARGIN_KEY, GRAPHIC_RESIZE_KEY, GROUP_KEY, LABEL_ALL_GROUP_KEY, LABEL_REPEAT_KEY, MAX_ANGLE_DELTA_KEY, MAX_DISPLACEMENT_KEY, MIN_GROUP_DISTANCE_KEY, PARTIALS_KEY, POLYGONALIGN_KEY, SPACE_AROUND_KEY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TextSymbolizerImpl()
protected	TextSymbolizerImpl(FilterFactory factory) Creates a new instance of DefaultTextSymbolizer
protected	TextSymbolizerImpl(FilterFactory factory, Description desc, String name, Unit<Length> uom)

Method Summary

Modifier and Type	Method and Description
void	accept(StyleVisitor visitor)
Object	accept(StyleVisitor visitor, Object data) Accept a StyleVisitor to perform an operation on this symbolizer.
void	addFont(Font font) Setter for property font.
void	addToOptions(String key, String value) Adds a parameter value to the options map
Object	clone() Creates a deep copy clone.
boolean	equals(Object obj)
List<Font>	fonts() Direct access to device independent Fonts used to render the label.
Expression	getFeatureDescription() Description is used by text oriented renders such as KML and RSS to specify a feature's description
FillImpl	getFill() Returns the fill to be used to fill the text when rendered.
Font	getFont() Initial Font to use when rendering this symbolizer.
Font[]	getFonts() Deprecated.
Graphic	getGraphic() The nonstandard-SLD graphic element supports putting little graphical-bits onto labels.
HaloImpl	getHalo() A halo fills an extended area outside the glyphs of a rendered text label to make the label easier to read over a background.
Expression	getLabel() Returns the label expression.
LabelPlacement	getLabelPlacement() A pointPlacement specifies how a text element should be rendered relative to its geometric point.
String	getOption(String key) Find the value of a key in the map (may return null)
OtherText	getOtherText() Other text can be used to allow open ended extensions on text oriented output formats
LabelPlacement	getPlacement() Deprecated.
Expression	getPriority() Priority -- null = use the default labeling priority Expression = an expression that evaluates to a number (ie.
Expression	getSnippet() Abstract is used by text oriented renderers such as KML and RSS to specify an abstract (RSS) or a snippet (KML)
int	hashCode()
void	setFeatureDescription(Expression description)
void	setFill(Fill fill) Setter for property fill.
void	setFont(Font font) Set initial font used to render label.
void	setFonts(Font[] fonts) Deprecated.
void	setGraphic(Graphic graphic) The nonstandard-SLD graphic element supports putting little graphical-bits onto labels.
void	setHalo(Halo halo) Setter for property halo.
void	setLabel(Expression label) Setter for property label.
void	setLabelPlacement(LabelPlacement labelPlacement) Setter for property labelPlacement.
void	setOtherText(OtherText otherText)
void	setPlacement(LabelPlacement labelPlacement) Deprecated. Use setLabelPlacement
void	setPriority(Expression priority) Priority -- null = use the default labeling priority Expression = an expression that evaluates to a number (ie.
void	setSnippet(Expression abxtract)
String	toString()

Methods inherited from class AbstractSymbolizer

getDescription, getGeometry, getGeometryPropertyName, getName, getOptions, getUnitOfMeasure, hasOption, setDescription, setGeometry, setGeometryPropertyName, setName, setUnitOfMeasure

Methods inherited from class Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface TextSymbolizer

getOptions

Methods inherited from interface Symbolizer

getDescription, getGeometry, getGeometryPropertyName, hasOption, setDescription, setGeometry, setGeometryPropertyName, setName, setUnitOfMeasure

Methods inherited from interface Symbolizer

getName, getUnitOfMeasure

Constructor Detail

TextSymbolizerImpl

protected TextSymbolizerImpl()

TextSymbolizerImpl

protected TextSymbolizerImpl(FilterFactory factory)

Creates a new instance of DefaultTextSymbolizer

TextSymbolizerImpl

protected TextSymbolizerImpl(FilterFactory factory,
                             Description desc,
                             String name,
                             Unit<Length> uom)

Method Detail

getFill

public FillImpl getFill()

Returns the fill to be used to fill the text when rendered.

Specified by:

getFill in interface TextSymbolizer

Returns:

The fill to be used.

setFill

public void setFill(Fill fill)

Setter for property fill.

Parameters:

fill - New value of property fill.

fonts

public List<Font> fonts()

Description copied from interface: TextSymbolizer

Direct access to device independent Fonts used to render the label. Fonts are used in order of priority given.

Returns:

device independent Font used to render the label.

getFont

public Font getFont()

Description copied from interface: TextSymbolizer

Initial Font to use when rendering this symbolizer. For alternatives see TextSymbolizer.fonts().

Specified by:

getFont in interface TextSymbolizer

Returns:

Initial Font used to render label, or null if unavailable.

setFont

public void setFont(Font font)

Description copied from interface: TextSymbolizer

Set initial font used to render label. This will replace the initial entry in the TextSymbolizer.fonts() list.

getFonts

@Deprecated
public Font[] getFonts()

Deprecated.

Returns a device independent Font object that is to be used to render the label.

Returns:

Device independent Font object to be used to render the label.

addFont

public void addFont(Font font)

Setter for property font.

Parameters:

font - New value of property font.

setFonts

@Deprecated
public void setFonts(Font[] fonts)

Deprecated.

Sets the list of fonts in the TextSymbolizer to the provided array of Fonts.

Parameters:

fonts - The array of fonts to use in the symbolizer.

getHalo

public HaloImpl getHalo()

A halo fills an extended area outside the glyphs of a rendered text label to make the label easier to read over a background.

Specified by:

getHalo in interface TextSymbolizer

Returns:

Halo

setHalo

public void setHalo(Halo halo)

Setter for property halo.

Parameters:

halo - New value of property halo.

getLabel

public Expression getLabel()

Returns the label expression.

Specified by:

getLabel in interface TextSymbolizer

Returns:

Label expression.

setLabel

public void setLabel(Expression label)

Setter for property label.

Parameters:

label - New value of property label.

getPlacement

@Deprecated
public LabelPlacement getPlacement()

Deprecated.

A pointPlacement specifies how a text element should be rendered relative to its geometric point.

Returns:

Value of property labelPlacement.

setPlacement

public void setPlacement(LabelPlacement labelPlacement)

Deprecated. Use setLabelPlacement

Setter for property labelPlacement.

Parameters:

labelPlacement - New value of property labelPlacement.

getLabelPlacement

public LabelPlacement getLabelPlacement()

A pointPlacement specifies how a text element should be rendered relative to its geometric point.

Specified by:

getLabelPlacement in interface TextSymbolizer

Returns:

Value of property labelPlacement.

setLabelPlacement

public void setLabelPlacement(LabelPlacement labelPlacement)

Setter for property labelPlacement.

Parameters:

labelPlacement - New value of property labelPlacement.

accept

public Object accept(StyleVisitor visitor,
                     Object data)

Accept a StyleVisitor to perform an operation on this symbolizer.

Specified by:

accept in interface Symbolizer

Specified by:

accept in interface TextSymbolizer

Parameters:

visitor - The StyleVisitor to accept.

Returns:

value produced

accept

public void accept(StyleVisitor visitor)

clone

public Object clone()

Creates a deep copy clone. TODO: Need to complete the deep copy, currently only shallow copy.

Overrides:

clone in class Object

Returns:

The deep copy clone.

Throws:

AssertionError - DOCUMENT ME!

See Also:

Object.clone()

setPriority

public void setPriority(Expression priority)

Description copied from interface: TextSymbolizer

Priority -- null = use the default labeling priority Expression = an expression that evaluates to a number (ie. Integer, Long, Double...) Larger = more likely to be rendered

getPriority

public Expression getPriority()

Description copied from interface: TextSymbolizer

Priority -- null = use the default labeling priority Expression = an expression that evaluates to a number (ie. Integer, Long, Double...) Larger = more likely to be rendered

addToOptions

public void addToOptions(String key,
                         String value)

Description copied from interface: TextSymbolizer

Adds a parameter value to the options map

getOption

public String getOption(String key)

Description copied from interface: TextSymbolizer

Find the value of a key in the map (may return null)

getGraphic

public Graphic getGraphic()

Description copied from interface: TextSymbolizer2

The nonstandard-SLD graphic element supports putting little graphical-bits onto labels. Useful for things like interstate road shields or labeled logos

Specified by:

getGraphic in interface TextSymbolizer2

Returns:

- the Graphic object to be rendered under the label text

setGraphic

public void setGraphic(Graphic graphic)

Description copied from interface: TextSymbolizer2

The nonstandard-SLD graphic element supports putting little graphical-bits onto labels. Useful for things like interstate road shields or labeled logos

Specified by:

setGraphic in interface TextSymbolizer2

Parameters:

graphic - - the Graphic object which will be rendered under the label text

toString

public String toString()

Overrides:

toString in class Object

getSnippet

public Expression getSnippet()

Description copied from interface: TextSymbolizer2

Abstract is used by text oriented renderers such as KML and RSS to specify an abstract (RSS) or a snippet (KML)

Specified by:

getSnippet in interface TextSymbolizer2

Returns:

setSnippet

public void setSnippet(Expression abxtract)

Specified by:

setSnippet in interface TextSymbolizer2

getFeatureDescription

public Expression getFeatureDescription()

Description copied from interface: TextSymbolizer2

Description is used by text oriented renders such as KML and RSS to specify a feature's description

Specified by:

getFeatureDescription in interface TextSymbolizer2

Returns:

setFeatureDescription

public void setFeatureDescription(Expression description)

Specified by:

setFeatureDescription in interface TextSymbolizer2

getOtherText

public OtherText getOtherText()

Description copied from interface: TextSymbolizer2

Other text can be used to allow open ended extensions on text oriented output formats

Specified by:

getOtherText in interface TextSymbolizer2

Returns:

setOtherText

public void setOtherText(OtherText otherText)

Specified by:

setOtherText in interface TextSymbolizer2

hashCode

public int hashCode()

Overrides:

hashCode in class AbstractSymbolizer

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractSymbolizer