org.oscim.layers.tile.vector

Class VectorTileLoader

java.lang.Object

java.lang.Thread

org.oscim.utils.PausableThread

org.oscim.layers.tile.TileLoader

org.oscim.layers.tile.vector.VectorTileLoader

All Implemented Interfaces:

java.lang.Runnable, RenderStyle.Callback, ITileDataSink

public class VectorTileLoader
extends TileLoader
implements RenderStyle.Callback

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
protected static byte	LAYERS
protected RenderBuckets	mBuckets
protected int	mCurBucket Current bucket for adding elements
protected LineBucket	mCurLineBucket current line bucket (will be used for outline bucket)
protected MapElement	mElement currently processed MapElement
protected float	mLineScale Line-scale-factor depending on zoom and latitude
protected ITileDataSource	mTileDataSource current TileDataSource used by this MapTileLoader
protected IRenderTheme	renderTheme
protected static double	STROKE_INCREASE
static byte	STROKE_MAX_ZOOM
static byte	STROKE_MIN_ZOOM
static boolean	USE_MESH_POLY

Fields inherited from class org.oscim.layers.tile.TileLoader

mTile

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
VectorTileLoader(VectorTileLayer tileLayer)

Method Summary

Modifier and Type	Method and Description
void	cancel()
protected void	clearState()
void	completed(QueryResult result) Callback to be called by TileDataSource when finished loading or on failure.
void	dispose()
protected TagSet	filterTags(TagSet tagSet) Override this method to change tags that should be passed to RenderTheme matching.
protected static int	getValidLayer(int layer)
boolean	loadTile(MapTile tile)
void	process(MapElement element) Called by TileDataSource
void	renderArea(AreaStyle area, int level) Renders an area with the given parameters.
void	renderCircle(CircleStyle circle, int level) Renders a point of interest circle with the given parameters.
void	renderExtrusion(ExtrusionStyle extrusion, int level) Renders an extrusion with the given parameters.
protected void	renderNode(RenderStyle[] style)
void	renderSymbol(SymbolStyle symbol) Renders a point of interest symbol with the given bitmap.
void	renderText(TextStyle text) Renders a way with the given text along the way path.
void	renderWay(LineStyle line, int level) RenderThemeCallback
protected void	renderWay(RenderStyle[] style)
void	setDataSource(ITileDataSource dataSource)

Methods inherited from class org.oscim.layers.tile.TileLoader

doWork, getThreadName, getThreadPriority, go, hasWork, setTileImage

Methods inherited from class org.oscim.utils.PausableThread

afterPause, afterRun, awaitPausing, finish, isCanceled, isPausing, pause, proceed, run

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

STROKE_INCREASE

protected static final double STROKE_INCREASE

LAYERS

protected static final byte LAYERS

See Also:

Constant Field Values

STROKE_MIN_ZOOM

public static final byte STROKE_MIN_ZOOM

See Also:

Constant Field Values

STROKE_MAX_ZOOM

public static final byte STROKE_MAX_ZOOM

See Also:

Constant Field Values

renderTheme

protected IRenderTheme renderTheme

mTileDataSource

protected ITileDataSource mTileDataSource

current TileDataSource used by this MapTileLoader

mElement

protected MapElement mElement

currently processed MapElement

mCurLineBucket

protected LineBucket mCurLineBucket

current line bucket (will be used for outline bucket)

mCurBucket

protected int mCurBucket

Current bucket for adding elements

mLineScale

protected float mLineScale

Line-scale-factor depending on zoom and latitude

mBuckets

protected RenderBuckets mBuckets

USE_MESH_POLY

public static boolean USE_MESH_POLY

Constructor Detail

VectorTileLoader

public VectorTileLoader(VectorTileLayer tileLayer)

Method Detail

dispose

public void dispose()

Specified by:

dispose in class TileLoader

cancel

public void cancel()

Specified by:

cancel in class TileLoader

loadTile

public boolean loadTile(MapTile tile)

Specified by:

loadTile in class TileLoader

completed

public void completed(QueryResult result)

Description copied from class: TileLoader

Callback to be called by TileDataSource when finished loading or on failure. MUST BE CALLED IN ANY CASE!

Specified by:

completed in interface ITileDataSink

Overrides:

completed in class TileLoader

getValidLayer

protected static int getValidLayer(int layer)

setDataSource

public void setDataSource(ITileDataSource dataSource)

filterTags

protected TagSet filterTags(TagSet tagSet)

Override this method to change tags that should be passed to RenderTheme matching. E.g. to replace tags that should not be cached in Rendertheme

process

public void process(MapElement element)

Description copied from class: TileLoader

Called by TileDataSource

Specified by:

process in interface ITileDataSink

Overrides:

process in class TileLoader

renderWay

protected void renderWay(RenderStyle[] style)

renderNode

protected void renderNode(RenderStyle[] style)

clearState

protected void clearState()

renderWay

public void renderWay(LineStyle line,
                      int level)

RenderThemeCallback

Specified by:

renderWay in interface RenderStyle.Callback

renderArea

public void renderArea(AreaStyle area,
                       int level)

Description copied from interface: RenderStyle.Callback

Renders an area with the given parameters.

Specified by:

renderArea in interface RenderStyle.Callback

renderSymbol

public void renderSymbol(SymbolStyle symbol)

Description copied from interface: RenderStyle.Callback

Renders a point of interest symbol with the given bitmap.

Specified by:

renderSymbol in interface RenderStyle.Callback

Parameters:

symbol - the symbol to be rendered.

renderExtrusion

public void renderExtrusion(ExtrusionStyle extrusion,
                            int level)

Description copied from interface: RenderStyle.Callback

Renders an extrusion with the given parameters.

Specified by:

renderExtrusion in interface RenderStyle.Callback

renderCircle

public void renderCircle(CircleStyle circle,
                         int level)

Description copied from interface: RenderStyle.Callback

Renders a point of interest circle with the given parameters.

Specified by:

renderCircle in interface RenderStyle.Callback

Parameters:

circle - the circle.

level - the drawing level on which the circle should be rendered.

renderText

public void renderText(TextStyle text)

Description copied from interface: RenderStyle.Callback

Renders a way with the given text along the way path.

Specified by:

renderText in interface RenderStyle.Callback