Package org.mapsforge.map.rendertheme.rule

Class RenderTheme

java.lang.Object

org.mapsforge.map.rendertheme.rule.RenderTheme

public class RenderTheme
extends java.lang.Object

A RenderTheme defines how ways and nodes are drawn.

Method Summary

Modifier and Type	Method	Description
void	destroy()	Must be called when this RenderTheme gets destroyed to clean up and free resources.
int	getLevels()
int	getMapBackground()
int	getMapBackgroundOutside()
boolean	hasMapBackgroundOutside()
void	matchClosedWay(RenderCallback renderCallback, RenderContext renderContext, PolylineContainer way)	Matches a closed way with the given parameters against this RenderTheme.
void	matchHillShadings(StandardRenderer renderer, RenderContext renderContext)
void	matchLinearWay(RenderCallback renderCallback, RenderContext renderContext, PolylineContainer way)	Matches a linear way with the given parameters against this RenderTheme.
void	matchNode(RenderCallback renderCallback, RenderContext renderContext, PointOfInterest poi)	Matches a node with the given parameters against this RenderTheme.
void	scaleStrokeWidth(float scaleFactor, byte zoomLevel)	Scales the stroke width of this RenderTheme by the given factor for a given zoom level
void	scaleTextSize(float scaleFactor, byte zoomLevel)	Scales the text size of this RenderTheme by the given factor for a given zoom level.
void	traverseRules(Rule.RuleVisitor visitor)

Methods inherited from class java.lang.Object

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

Method Detail

destroy

public void destroy()

Must be called when this RenderTheme gets destroyed to clean up and free resources.

getLevels

public int getLevels()

Returns:

the number of distinct drawing levels required by this RenderTheme.

getMapBackground

public int getMapBackground()

Returns:

the map background color of this RenderTheme.

getMapBackgroundOutside

public int getMapBackgroundOutside()

Returns:

the background color that applies to areas outside the map.

hasMapBackgroundOutside

public boolean hasMapBackgroundOutside()

Returns:

true if map color is defined for outside areas.

matchClosedWay

public void matchClosedWay(RenderCallback renderCallback,
                           RenderContext renderContext,
                           PolylineContainer way)

Matches a closed way with the given parameters against this RenderTheme.

Parameters:

renderCallback - the callback implementation which will be executed on each match.

renderContext -

way -

matchLinearWay

public void matchLinearWay(RenderCallback renderCallback,
                           RenderContext renderContext,
                           PolylineContainer way)

Matches a linear way with the given parameters against this RenderTheme.

Parameters:

renderCallback - the callback implementation which will be executed on each match.

renderContext -

way -

matchNode

public void matchNode(RenderCallback renderCallback,
                      RenderContext renderContext,
                      PointOfInterest poi)

Matches a node with the given parameters against this RenderTheme.

Parameters:

renderCallback - the callback implementation which will be executed on each match.

renderContext -

poi - the point of interest.

scaleStrokeWidth

public void scaleStrokeWidth(float scaleFactor,
                             byte zoomLevel)

Scales the stroke width of this RenderTheme by the given factor for a given zoom level

Parameters:

scaleFactor - the factor by which the stroke width should be scaled.

zoomLevel - the zoom level to which this is applied.

scaleTextSize

public void scaleTextSize(float scaleFactor,
                          byte zoomLevel)

Scales the text size of this RenderTheme by the given factor for a given zoom level.

Parameters:

scaleFactor - the factor by which the text size should be scaled.

zoomLevel - the zoom level to which this is applied.

traverseRules

public void traverseRules(Rule.RuleVisitor visitor)

matchHillShadings

public void matchHillShadings(StandardRenderer renderer,
                              RenderContext renderContext)