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Fixed threading issue in TileSource.

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This commit is contained in:
ClemensF 2013-01-29 17:55:53 +01:00
parent 23bd98ef22
commit 970ea4d4a0
1 changed files with 45 additions and 62 deletions
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107
MapControl/TileSource.cs
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@ -42,46 +42,38 @@ namespace MapControl
}
uriFormat = value;
getUri = GetDefaultUri;
if (uriFormat.Contains("{x}") && uriFormat.Contains("{y}") && uriFormat.Contains("{z}"))
{
if (uriFormat.Contains("{c}"))
{
getUri = GetOpenStreetMapUri;
}
else if (uriFormat.Contains("{i}"))
{
getUri = GetGoogleMapsUri;
}
else if (uriFormat.Contains("{n}"))
{
getUri = GetMapQuestUri;
}
}
else if (uriFormat.Contains("{q}")) // {i} is optional
{
getUri = GetQuadKeyUri;
}
else if (uriFormat.Contains("{w}") && uriFormat.Contains("{s}") && uriFormat.Contains("{e}") && uriFormat.Contains("{n}"))
{
getUri = GetBoundingBoxUri;
}
}
}
public virtual Uri GetUri(int x, int y, int zoomLevel)
{
if (getUri == null)
{
SelectGetUriMethod();
}
return getUri(x, y, zoomLevel);
}
private void SelectGetUriMethod()
{
getUri = GetDefaultUri;
if (uriFormat.Contains("{x}") && uriFormat.Contains("{y}") && uriFormat.Contains("{z}"))
{
if (uriFormat.Contains("{c}"))
{
getUri = GetOpenStreetMapUri;
}
else if (uriFormat.Contains("{i}"))
{
getUri = GetGoogleMapsUri;
}
else if (uriFormat.Contains("{n}"))
{
getUri = GetMapQuestUri;
}
}
else if (uriFormat.Contains("{q}")) // {i} is optional
{
getUri = GetQuadKeyUri;
}
else if (uriFormat.Contains("{w}") && uriFormat.Contains("{s}") && uriFormat.Contains("{e}") && uriFormat.Contains("{n}"))
{
getUri = GetBoundingBoxUri;
}
return getUri != null ? getUri(x, y, zoomLevel) : null;
}
private Uri GetDefaultUri(int x, int y, int zoomLevel)
@ -94,44 +86,35 @@ namespace MapControl
private Uri GetOpenStreetMapUri(int x, int y, int zoomLevel)
{
lock (getUri) // protect hostIndex
{
hostIndex = (hostIndex + 1) % 3;
hostIndex = (hostIndex + 1) % 3;
return new Uri(UriFormat.
Replace("{c}", "abc".Substring(hostIndex, 1)).
Replace("{x}", x.ToString()).
Replace("{y}", y.ToString()).
Replace("{z}", zoomLevel.ToString()));
}
return new Uri(UriFormat.
Replace("{c}", "abc".Substring(hostIndex, 1)).
Replace("{x}", x.ToString()).
Replace("{y}", y.ToString()).
Replace("{z}", zoomLevel.ToString()));
}
private Uri GetGoogleMapsUri(int x, int y, int zoomLevel)
{
lock (getUri) // protect hostIndex
{
hostIndex = (hostIndex + 1) % 4;
hostIndex = (hostIndex + 1) % 4;
return new Uri(UriFormat.
Replace("{i}", hostIndex.ToString()).
Replace("{x}", x.ToString()).
Replace("{y}", y.ToString()).
Replace("{z}", zoomLevel.ToString()));
}
return new Uri(UriFormat.
Replace("{i}", hostIndex.ToString()).
Replace("{x}", x.ToString()).
Replace("{y}", y.ToString()).
Replace("{z}", zoomLevel.ToString()));
}
private Uri GetMapQuestUri(int x, int y, int zoomLevel)
{
lock (getUri) // protect hostIndex
{
hostIndex = (hostIndex % 4) + 1;
hostIndex = (hostIndex % 4) + 1;
return new Uri(UriFormat.
Replace("{n}", hostIndex.ToString()).
Replace("{x}", x.ToString()).
Replace("{y}", y.ToString()).
Replace("{z}", zoomLevel.ToString()));
}
return new Uri(UriFormat.
Replace("{n}", hostIndex.ToString()).
Replace("{x}", x.ToString()).
Replace("{y}", y.ToString()).
Replace("{z}", zoomLevel.ToString()));
}
private Uri GetQuadKeyUri(int x, int y, int zoomLevel)