public static ImageLayerInfo FromFile(string filePath)
{
using( FileStream stream = File.OpenRead(filePath) )
using( BinaryReader reader = new BinaryReader(stream, System.Text.Encoding.Unicode ) )
{
ImageLayerInfo imageLayerInfo = new ImageLayerInfo();
imageLayerInfo.Id = reader.ReadString();
string imageFileName = Path.GetFileName( reader.ReadString() );
imageLayerInfo.ImageFilePath = Path.Combine( Path.GetDirectoryName( filePath ), imageFileName );
if(!File.Exists(imageLayerInfo.ImageFilePath))
throw new IOException("Cached image '" + imageLayerInfo.ImageFilePath + "' not found.");
imageLayerInfo.Description = reader.ReadString();
imageLayerInfo.South = reader.ReadSingle();
imageLayerInfo.West = reader.ReadSingle();
imageLayerInfo.North = reader.ReadSingle();
imageLayerInfo.East = reader.ReadSingle();
return imageLayerInfo;
}
}
/// <summary>
/// Convert if requested and prepare downloaded data for display
/// </summary>
private void ProcessDownloadedImage(WMSDownload wdl, Stream dataStream)
{
try
{
string ddsFile = wdl.SavedFilePath + ".dds";
if( wdl.Date.Length>0)
UpdateStatusBar( "Converting " + wdl.Date );
else
UpdateStatusBar( "Converting... " );
Directory.CreateDirectory(Path.GetDirectoryName(wdl.SavedFilePath));
if (dataStream.Length==0)
throw new WebException("Server returned no data.");
ImageHelper.ConvertToDxt3(dataStream, ddsFile );
if(this.animationState == AnimationState.Cancel || animationState == AnimationState.Stop)
return;
ImageLayerInfo imageLayerInfo = new ImageLayerInfo(wdl);
imageLayerInfo.Save(wdl.SavedFilePath + ".wwi");
lock(this.animationFrames.SyncRoot)
animationFrames.Add(imageLayerInfo);
if(this.animationState == AnimationState.Cancel || this.animationState == AnimationState.Stop)
return;
UpdateStatusBar( "" );
}
catch(Exception caught)
{
this.worldWindow.Caption = caught.Message;
Log.Write( caught );
}
}