ClemensFischer/XAML-Map-Control
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Added Surface sample application

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ClemensF 2012-07-04 17:19:48 +02:00
parent e77e3d8562
commit 6b25260536
27 changed files with 564 additions and 45 deletions
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3
MapControl/Map.cs
View file

@ -3,7 +3,6 @@
// Licensed under the Microsoft Public License (Ms-PL)
using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
@ -395,7 +394,7 @@ namespace MapControl
{
SetTransformOrigin(origin);
updateTransform = false;
Heading += rotation;
Heading = (((Heading + rotation) % 360d) + 360d) % 360d;
ZoomLevel += Math.Log(scale, 2d);
updateTransform = true;
UpdateViewTransform();

19
MapControl/MapGraticule.cs
View file

@ -12,8 +12,8 @@ using System.Windows.Shapes;
namespace MapControl
{
/// <summary>
/// Draws a graticule overlay. The minimum spacing in pixels between adjacent graticule lines
/// is specified by the MinSpacingPixels property.
/// Draws a graticule overlay. The minimum spacing in pixels between adjacent
/// graticule lines is specified by the MinLineSpacing property.
/// </summary>
public class MapGraticule : MapElement
{
@ -41,8 +41,8 @@ namespace MapControl
public static readonly DependencyProperty StrokeThicknessProperty = Shape.StrokeThicknessProperty.AddOwner(
typeof(MapGraticule), new FrameworkPropertyMetadata(0.5, (o, e) => ((MapGraticule)o).pen.Thickness = (double)e.NewValue));
public static readonly DependencyProperty MinSpacingPixelsProperty = DependencyProperty.Register(
"MinSpacingPixels", typeof(double), typeof(MapGraticule), new FrameworkPropertyMetadata(100d));
public static readonly DependencyProperty MinLineSpacingProperty = DependencyProperty.Register(
"MinLineSpacing", typeof(double), typeof(MapGraticule), new FrameworkPropertyMetadata(100d));
public static double[] Spacings =
new double[] { 1d / 60d, 1d / 30d, 1d / 12d, 1d / 6d, 1d / 4d, 1d / 3d, 1d / 2d, 1d, 2d, 5d, 10d, 15d, 20d, 30d, 45d };
@ -106,10 +106,13 @@ namespace MapControl
set { SetValue(StrokeThicknessProperty, value); }
}
public double MinSpacingPixels
/// <summary>
/// Minimum spacing in pixels between adjacent graticule lines.
/// </summary>
public double MinLineSpacing
{
get { return (double)GetValue(MinSpacingPixelsProperty); }
set { SetValue(MinSpacingPixelsProperty, value); }
get { return (double)GetValue(MinLineSpacingProperty); }
set { SetValue(MinLineSpacingProperty, value); }
}
protected override int VisualChildrenCount
@ -127,7 +130,7 @@ namespace MapControl
Rect bounds = parentMap.ViewportTransform.Inverse.TransformBounds(new Rect(parentMap.RenderSize));
Location loc1 = parentMap.MapTransform.TransformBack(bounds.TopLeft);
Location loc2 = parentMap.MapTransform.TransformBack(bounds.BottomRight);
double minSpacing = MinSpacingPixels * 360d / (Math.Pow(2d, parentMap.ZoomLevel) * 256d);
double minSpacing = MinLineSpacing * 360d / (Math.Pow(2d, parentMap.ZoomLevel) * 256d);
double spacing = Spacings[Spacings.Length - 1];
if (spacing >= minSpacing)

12
MapControl/TileImageLoader.cs
View file

@ -82,12 +82,12 @@ namespace MapControl
this.tileLayer = tileLayer;
}
internal void StartDownloadTiles(ICollection<Tile> tiles)
internal void BeginDownloadTiles(ICollection<Tile> tiles)
{
ThreadPool.QueueUserWorkItem(StartDownloadTilesAsync, new List<Tile>(tiles.Where(t => t.Image == null && t.Uri == null)));
ThreadPool.QueueUserWorkItem(BeginDownloadTilesAsync, new List<Tile>(tiles.Where(t => t.Image == null && t.Uri == null)));
}
internal void StopDownloadTiles()
internal void CancelDownloadTiles()
{
lock (pendingTiles)
{
@ -103,7 +103,7 @@ namespace MapControl
}
}
private void StartDownloadTilesAsync(object newTilesList)
private void BeginDownloadTilesAsync(object newTilesList)
{
List<Tile> newTiles = (List<Tile>)newTilesList;
@ -223,7 +223,7 @@ namespace MapControl
{
TraceInformation("{0} - {1}", tile.Uri, ((HttpWebResponse)exc.Response).StatusCode);
}
else if (exc.Status == WebExceptionStatus.RequestCanceled)
else if (exc.Status == WebExceptionStatus.RequestCanceled) // by HttpWebRequest.Abort in CancelDownloadTiles
{
TraceInformation("{0} - {1}", tile.Uri, exc.Status);
}
@ -283,7 +283,7 @@ namespace MapControl
private static void TraceInformation(string format, params object[] args)
{
Trace.TraceInformation("[{0:00}] {1}", Thread.CurrentThread.ManagedThreadId, string.Format(format, args));
//Trace.TraceInformation("[{0:00}] {1}", Thread.CurrentThread.ManagedThreadId, string.Format(format, args));
}
}
}

6
MapControl/TileLayer.cs
View file

@ -58,21 +58,21 @@ namespace MapControl
this.grid = grid;
this.zoomLevel = zoomLevel;
tileImageLoader.StopDownloadTiles();
tileImageLoader.CancelDownloadTiles();
if (VisualParent != null && TileSource != null)
{
SelectTiles();
RenderTiles();
tileImageLoader.StartDownloadTiles(tiles);
tileImageLoader.BeginDownloadTiles(tiles);
}
}
public void ClearTiles()
{
tiles.Clear();
tileImageLoader.StopDownloadTiles();
tileImageLoader.CancelDownloadTiles();
}
private void SelectTiles()