Class MultiScaleTileSource

Represents the tile source of the multi scale image control.

Inheritance
System.Object
MultiScaleTileSource
TiledMapSource
Namespace: Telerik.Windows.Controls.Map
Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public abstract class MultiScaleTileSource : DependencyObject

Constructors

MultiScaleTileSource(Int32, Int32, Int32, Int32, Int32)

Initializes a new instance of the MultiScaleTileSource class.

Declaration
protected MultiScaleTileSource(int imageWidth, int imageHeight, int tileWidth, int tileHeight, int tileOverlap)
Parameters
System.Int32 imageWidth

Not used.
System.Int32 imageHeight

Not used.
System.Int32 tileWidth

Tile width.
System.Int32 tileHeight

Tile height.
System.Int32 tileOverlap

Not used.

Properties

RequestCredentials

Gets or sets credentials for downloading tiles.

Declaration
public ICredentials RequestCredentials { get; set; }
Property Value
System.Net.ICredentials

WebHeaders

Gets or sets the headers used in the get requests made to the tile servers via System.Net.WebClient.

Declaration
public WebHeaderCollection WebHeaders { get; set; }
Property Value
System.Net.WebHeaderCollection

Methods

CacheTile(Int32, Int32, Int32, Uri, DateTime, Byte[])

Returned a streams that is loaded from Uri inside the MultiScaleImage.

Declaration
public virtual void CacheTile(int tileLevel, int tilePositionX, int tilePositionY, Uri uri, DateTime expires, byte[] tileBody)
Parameters
System.Int32 tileLevel

Level of the tile.
System.Int32 tilePositionX

X-matrix coordinate of the tile.
System.Int32 tilePositionY

Y-matrix coordinate of the tile.
System.Uri uri

Uri.
System.DateTime expires

DateTime of expires.
System.Byte[] tileBody

Tile body.

GetCachedTileAsync(Int32, Int32, Int32, Action<Byte[]>)

Requests the cached tile.

Declaration
protected virtual void GetCachedTileAsync(int tileLevel, int tilePositionX, int tilePositionY, Action<byte[]> callback)
Parameters
System.Int32 tileLevel

Level of the tile.
System.Int32 tilePositionX

X-matrix coordinate of the tile.
System.Int32 tilePositionY

Y-matrix coordinate of the tile.
System.Action<System.Byte[]> callback

Callback which should be called to return tile if it is available or null.

GetTileLayers(Int32, Int32, Int32, IList<Object>)

Gets a collection of the URIs that comprise the Deep Zoom image.

Declaration
protected abstract void GetTileLayers(int tileLevel, int tilePositionX, int tilePositionY, IList<object> tileImageLayerSources)
Parameters
System.Int32 tileLevel

Level of the tile.
System.Int32 tilePositionX

X-matrix coordinate of the tile.
System.Int32 tilePositionY

Y-matrix coordinate of the tile.
System.Collections.Generic.IList<System.Object> tileImageLayerSources

Source of the tile image layer, which is a collection of URIs.

InvalidateTileLayer(Int32, Int32, Int32, Int32)

Invalidates specified tile layers.

Declaration
public virtual void InvalidateTileLayer(int tileLevel, int tilePositionX, int tilePositionY, int tileLayer)
Parameters
System.Int32 tileLevel

Tile level.
System.Int32 tilePositionX

X position of the tile.
System.Int32 tilePositionY

Y position of the tile.
System.Int32 tileLayer

Layer of the tile.

OnHttpAuthenticationRequired(Uri, String, Dictionary<String, String>)

When overridden in a derived class, is invoked when downloading of a tile image via HTTP gets the Unauthorized state in the HttpWebResponse. The method should provide credentials using the RequestCredentials property.

Declaration
protected virtual void OnHttpAuthenticationRequired(Uri uri, string type, Dictionary<string, string> attributes)
Parameters
System.Uri uri

The Request Uri.
System.String type

Authorization type.
System.Collections.Generic.Dictionary<System.String, System.String> attributes

Authorization attributes like "realm" for Basic HTTP authentication.

SetTileCacheSize(Int32)

Sets maximal size of tile cache.

Declaration
public void SetTileCacheSize(int bytes)
Parameters
System.Int32 bytes

The size in bytes.

Extension Methods