private async void _printButton_Click(object sender, RoutedEventArgs e)
{
// ダイアログのインスタンスを生成
var dialog = new SaveFileDialog();
dialog.Title = "JPEGファイルの保存";
dialog.AddExtension = true;
dialog.Filter = "jpg画像|*.jpg;*.jpeg";
// ダイアログを表示する
if (dialog.ShowDialog() == true)
{
try
{
// マップの現在の状態をJPEG画像として出力して、指定のパスに保存する
ImageSource image = await RuntimeImageExtensions.ToImageSourceAsync(await _mainMapView.ExportImageAsync());
JpegBitmapEncoder encoder = new JpegBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create((BitmapSource)image));
FileStream stream = new FileStream(dialog.FileName, FileMode.Create);
encoder.Save(stream);
stream.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return;
}
}
}
private async void Initialize()
{
// Create a new map to display in the map view with a streets basemap
Map streetMap = new Map(Basemap.CreateStreetsVector());
// Get the path to the downloaded shapefile
string filepath = GetShapefilePath();
try
{
// Open the shapefile
ShapefileFeatureTable myShapefile = await ShapefileFeatureTable.OpenAsync(filepath);
// Read metadata about the shapefile and display it in the UI
ShapefileInfo fileInfo = myShapefile.Info;
InfoPanel.DataContext = fileInfo;
// Display the shapefile thumbnail in an image control
ShapefileThumbnailImage.Source = await RuntimeImageExtensions.ToImageSourceAsync(fileInfo.Thumbnail);
// Create a feature layer to display the shapefile
FeatureLayer newFeatureLayer = new FeatureLayer(myShapefile);
await newFeatureLayer.LoadAsync();
// Zoom the map to the extent of the shapefile
MyMapView.SpatialReferenceChanged += async(s, e) =>
{
await MyMapView.SetViewpointGeometryAsync(newFeatureLayer.FullExtent);
};
// Add the feature layer to the map
streetMap.OperationalLayers.Add(newFeatureLayer);
// Show the map in the MapView
MyMapView.Map = streetMap;
}
catch (Exception e)
{
await new MessageDialog(e.ToString(), "Error").ShowAsync();
}
}
public async void SetSymbol(Symbol symbol)
{
var swatch = await symbol.CreateSwatchAsync();
Image = await RuntimeImageExtensions.ToImageSourceAsync(swatch);
}