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Changed ImageTileSource

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ClemensF 2012-07-21 09:09:58 +02:00
parent 2fd3f5f8f6
commit d368c9358c
5 changed files with 13 additions and 21 deletions
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5
MapControl/TileImageLoader.cs
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@ -138,10 +138,11 @@ namespace MapControl
private void BeginGetTilesAsync(object newTilesList) private void BeginGetTilesAsync(object newTilesList)
{ {
List<Tile> newTiles = (List<Tile>)newTilesList; List<Tile> newTiles = (List<Tile>)newTilesList;
ImageTileSource imageTileSource = tileLayer.TileSource as ImageTileSource;
if (imageTileSource != null) if (tileLayer.TileSource is ImageTileSource)
{ {
ImageTileSource imageTileSource = (ImageTileSource)tileLayer.TileSource;
newTiles.ForEach(tile => newTiles.ForEach(tile =>
{ {
Dispatcher.BeginInvoke(DispatcherPriority.Background, (Action)(() => tile.Image = imageTileSource.GetImage(tile.XIndex, tile.Y, tile.ZoomLevel))); Dispatcher.BeginInvoke(DispatcherPriority.Background, (Action)(() => tile.Image = imageTileSource.GetImage(tile.XIndex, tile.Y, tile.ZoomLevel)));

13
MapControl/TileSource.cs
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@ -8,6 +8,7 @@ using System.Globalization;
using System.Text; using System.Text;
using System.Windows; using System.Windows;
using System.Windows.Media; using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace MapControl namespace MapControl
{ {
@ -156,12 +157,16 @@ namespace MapControl
} }
/// <summary> /// <summary>
/// Provides the image of a map tile. ImageTileSource bypasses downloading /// Provides the image of a map tile. ImageTileSource bypasses download and
/// and caching of tile images that is performed by TileImageLoader. /// cache processing in TileImageLoader. By overriding the GetImage method,
/// an application can provide tile images from an arbitrary source.
/// </summary> /// </summary>
public abstract class ImageTileSource : TileSource public class ImageTileSource : TileSource
{ {
public abstract ImageSource GetImage(int x, int y, int zoomLevel); public virtual ImageSource GetImage(int x, int y, int zoomLevel)
{
return new BitmapImage(GetUri(x, y, zoomLevel));
}
} }
/// <summary> /// <summary>

13
SampleApps/SampleApplication/ImageTileSource.cs
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@ -1,13 +0,0 @@
using System.Windows.Media;
using System.Windows.Media.Imaging;
namespace SampleApplication
{
public class ImageTileSource : MapControl.ImageTileSource
{
public override ImageSource GetImage(int x, int y, int zoomLevel)
{
return new BitmapImage(GetUri(x, y, zoomLevel));
}
}
}

2
SampleApps/SampleApplication/MainWindow.xaml
View file

@ -144,7 +144,7 @@
<map:TileLayer Name="OSM Uncached" Description="© {y} OpenStreetMap Contributors, CC-BY-SA"> <map:TileLayer Name="OSM Uncached" Description="© {y} OpenStreetMap Contributors, CC-BY-SA">
<map:TileLayer.TileSource> <map:TileLayer.TileSource>
<local:ImageTileSource UriFormat="http://{c}.tile.openstreetmap.org/{z}/{x}/{y}.png"/> <map:ImageTileSource UriFormat="http://{c}.tile.openstreetmap.org/{z}/{x}/{y}.png"/>
</map:TileLayer.TileSource> </map:TileLayer.TileSource>
</map:TileLayer> </map:TileLayer>
</ComboBox.Items> </ComboBox.Items>

1
SampleApps/SampleApplication/SampleApplication.csproj
View file

@ -54,7 +54,6 @@
<Generator>MSBuild:Compile</Generator> <Generator>MSBuild:Compile</Generator>
<SubType>Designer</SubType> <SubType>Designer</SubType>
</ApplicationDefinition> </ApplicationDefinition>
<Compile Include="ImageTileSource.cs" />
<Compile Include="Properties\Settings.Designer.cs"> <Compile Include="Properties\Settings.Designer.cs">
<AutoGen>True</AutoGen> <AutoGen>True</AutoGen>
<DesignTimeSharedInput>True</DesignTimeSharedInput> <DesignTimeSharedInput>True</DesignTimeSharedInput>