Package org.oscim.theme

Class RenderTheme

java.lang.Object

org.oscim.theme.RenderTheme

All Implemented Interfaces:

IRenderTheme

Direct Known Subclasses:

AtlasRenderTheme

public class RenderTheme
extends Object
implements IRenderTheme

Nested Class Summary

Nested classes/interfaces inherited from interface org.oscim.theme.IRenderTheme

IRenderTheme.ThemeException

Constructor Summary

Constructors

Constructor	Description
RenderTheme(int mapBackground, float baseTextSize, Rule[] rules, int levels)
RenderTheme(int mapBackground, float baseTextSize, Rule[] rules, int levels, boolean mapsforgeTheme)
RenderTheme(int mapBackground, float baseTextSize, Rule[] rules, int levels, Map<String,String> transformKeyMap, Map<Tag,Tag> transformTagMap)
RenderTheme(int mapBackground, float baseTextSize, Rule[] rules, int levels, Map<String,String> transformKeyMap, Map<Tag,Tag> transformTagMap, boolean mapsforgeTheme)

Method Summary

Modifier and Type	Method	Description
void	dispose()	Must be called when this RenderTheme gets destroyed to clean up and free resources.
int	getLevels()
int	getMapBackground()
boolean	isMapsforgeTheme()	Is Mapsforge or VTM theme.
RenderStyle[]	matchElement(GeometryBuffer.GeometryType geometryType, TagSet tags, int zoomLevel)	Matches a MapElement with the given parameters against this RenderTheme.
void	scaleTextSize(float scaleFactor)	Scales the text size of this RenderTheme by the given factor.
String	transformBackwardKey(String key)	Transform internal key to tile source key.
Tag	transformBackwardTag(Tag tag)	Transform internal tag to tile source tag.
String	transformForwardKey(String key)	Transform tile source key to internal key.
Tag	transformForwardTag(Tag tag)	Transform tile source tag to internal tag.
void	traverseRules(Rule.RuleVisitor visitor)
void	updateStyles()

Methods inherited from class java.lang.Object

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

Constructor Details

RenderTheme

public RenderTheme(int mapBackground,
 float baseTextSize,
 Rule[] rules,
 int levels)

RenderTheme

public RenderTheme(int mapBackground,
 float baseTextSize,
 Rule[] rules,
 int levels,
 Map<String,String> transformKeyMap,
 Map<Tag,Tag> transformTagMap)

RenderTheme

public RenderTheme(int mapBackground,
 float baseTextSize,
 Rule[] rules,
 int levels,
 boolean mapsforgeTheme)

RenderTheme

public RenderTheme(int mapBackground,
 float baseTextSize,
 Rule[] rules,
 int levels,
 Map<String,String> transformKeyMap,
 Map<Tag,Tag> transformTagMap,
 boolean mapsforgeTheme)

Method Details

dispose

public void dispose()

Description copied from interface: IRenderTheme

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

Specified by:

dispose in interface IRenderTheme

getLevels

public int getLevels()

Specified by:

getLevels in interface IRenderTheme

Returns:

the number of distinct drawing levels required by this RenderTheme.

getMapBackground

public int getMapBackground()

Specified by:

getMapBackground in interface IRenderTheme

Returns:

the map background color of this RenderTheme.

isMapsforgeTheme

public boolean isMapsforgeTheme()

Description copied from interface: IRenderTheme

Is Mapsforge or VTM theme.

Specified by:

isMapsforgeTheme in interface IRenderTheme

matchElement

public RenderStyle[] matchElement(GeometryBuffer.GeometryType geometryType,
 TagSet tags,
 int zoomLevel)

Description copied from interface: IRenderTheme

Matches a MapElement with the given parameters against this RenderTheme.

Specified by:

matchElement in interface IRenderTheme

zoomLevel - the zoom level at which the way should be matched.

Returns:

matching render instructions

scaleTextSize

public void scaleTextSize(float scaleFactor)

Description copied from interface: IRenderTheme

Scales the text size of this RenderTheme by the given factor.

Specified by:

scaleTextSize in interface IRenderTheme

Parameters:

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

transformBackwardKey

public String transformBackwardKey(String key)

Description copied from interface: IRenderTheme

Transform internal key to tile source key. e.g. for lazy fetched tag values via tile source key. Use when tile source and internal keys have 1-1 relation.

Specified by:

transformBackwardKey in interface IRenderTheme

Returns:

the backwards transformed tag key.

transformForwardKey

public String transformForwardKey(String key)

Description copied from interface: IRenderTheme

Transform tile source key to internal key.

Specified by:

transformForwardKey in interface IRenderTheme

Returns:

the forward transformed tag key.

transformBackwardTag

public Tag transformBackwardTag(Tag tag)

Description copied from interface: IRenderTheme

Transform internal tag to tile source tag. Use when tile source and internal tags have 1-1 relation.

Specified by:

transformBackwardTag in interface IRenderTheme

Returns:

the backwards transformed tag.

transformForwardTag

public Tag transformForwardTag(Tag tag)

Description copied from interface: IRenderTheme

Transform tile source tag to internal tag.

Specified by:

transformForwardTag in interface IRenderTheme

Returns:

the forward transformed tag.

updateStyles

public void updateStyles()

Specified by:

updateStyles in interface IRenderTheme

traverseRules

public void traverseRules(Rule.RuleVisitor visitor)