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File scoped namespaces
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ClemensFischer
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c14377f976
commit
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152 changed files with 11962 additions and 12115 deletions
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@ -29,183 +29,182 @@ using Shape = Avalonia.Controls.Shapes.Shape;
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using BitmapSource = Avalonia.Media.Imaging.Bitmap;
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#endif
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namespace MapControl
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namespace MapControl;
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public static partial class GeoImage
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{
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public static partial class GeoImage
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private class GeoBitmap
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{
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private class GeoBitmap
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public GeoBitmap(BitmapSource bitmap, Matrix transform, MapProjection projection)
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{
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public GeoBitmap(BitmapSource bitmap, Matrix transform, MapProjection projection)
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{
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var p1 = transform.Transform(new Point());
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var p1 = transform.Transform(new Point());
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#if AVALONIA
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var p2 = transform.Transform(new Point(bitmap.PixelSize.Width, bitmap.PixelSize.Height));
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var p2 = transform.Transform(new Point(bitmap.PixelSize.Width, bitmap.PixelSize.Height));
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#else
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var p2 = transform.Transform(new Point(bitmap.PixelWidth, bitmap.PixelHeight));
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var p2 = transform.Transform(new Point(bitmap.PixelWidth, bitmap.PixelHeight));
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#endif
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BitmapSource = bitmap;
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BitmapSource = bitmap;
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if (projection != null)
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{
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var sw = projection.MapToLocation(p1);
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var ne = projection.MapToLocation(p2);
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BoundingBox = new BoundingBox(sw.Latitude, sw.Longitude, ne.Latitude, ne.Longitude);
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}
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else
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{
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BoundingBox = new BoundingBox(p1.Y, p1.X, p2.Y, p2.X);
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}
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}
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public BitmapSource BitmapSource { get; }
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public BoundingBox BoundingBox { get; }
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}
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private const ushort ProjectedCRSGeoKey = 3072;
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private const ushort GeoKeyDirectoryTag = 34735;
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private const ushort ModelPixelScaleTag = 33550;
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private const ushort ModelTiePointTag = 33922;
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private const ushort ModelTransformationTag = 34264;
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private const ushort NoDataTag = 42113;
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private static string QueryString(ushort tag) => $"/ifd/{{ushort={tag}}}";
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private static ILogger Logger => field ??= ImageLoader.LoggerFactory?.CreateLogger(typeof(GeoImage));
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public static readonly DependencyProperty SourcePathProperty =
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DependencyPropertyHelper.RegisterAttached<string>("SourcePath", typeof(GeoImage), null,
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async (element, oldValue, newValue) => await LoadGeoImage(element, newValue));
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public static string GetSourcePath(FrameworkElement image)
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{
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return (string)image.GetValue(SourcePathProperty);
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}
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public static void SetSourcePath(FrameworkElement image, string value)
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{
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image.SetValue(SourcePathProperty, value);
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}
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public static async Task<Image> CreateAsync(string sourcePath)
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{
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var image = new Image();
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await LoadGeoImage(image, sourcePath);
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return image;
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}
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public static Task LoadGeoImageAsync(this Image image, string sourcePath)
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{
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return LoadGeoImage(image, sourcePath);
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}
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public static Task LoadGeoImageAsync(this Shape shape, string sourcePath)
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{
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return LoadGeoImage(shape, sourcePath);
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}
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private static async Task LoadGeoImage(FrameworkElement element, string sourcePath)
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{
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if (!string.IsNullOrEmpty(sourcePath))
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if (projection != null)
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{
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try
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{
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var geoBitmap = await LoadGeoBitmap(sourcePath);
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var sw = projection.MapToLocation(p1);
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var ne = projection.MapToLocation(p2);
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BoundingBox = new BoundingBox(sw.Latitude, sw.Longitude, ne.Latitude, ne.Longitude);
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}
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else
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{
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BoundingBox = new BoundingBox(p1.Y, p1.X, p2.Y, p2.X);
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}
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}
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if (element is Image image)
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public BitmapSource BitmapSource { get; }
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public BoundingBox BoundingBox { get; }
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}
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private const ushort ProjectedCRSGeoKey = 3072;
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private const ushort GeoKeyDirectoryTag = 34735;
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private const ushort ModelPixelScaleTag = 33550;
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private const ushort ModelTiePointTag = 33922;
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private const ushort ModelTransformationTag = 34264;
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private const ushort NoDataTag = 42113;
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private static string QueryString(ushort tag) => $"/ifd/{{ushort={tag}}}";
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private static ILogger Logger => field ??= ImageLoader.LoggerFactory?.CreateLogger(typeof(GeoImage));
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public static readonly DependencyProperty SourcePathProperty =
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DependencyPropertyHelper.RegisterAttached<string>("SourcePath", typeof(GeoImage), null,
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async (element, oldValue, newValue) => await LoadGeoImage(element, newValue));
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public static string GetSourcePath(FrameworkElement image)
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{
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return (string)image.GetValue(SourcePathProperty);
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}
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public static void SetSourcePath(FrameworkElement image, string value)
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{
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image.SetValue(SourcePathProperty, value);
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}
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public static async Task<Image> CreateAsync(string sourcePath)
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{
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var image = new Image();
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await LoadGeoImage(image, sourcePath);
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return image;
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}
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public static Task LoadGeoImageAsync(this Image image, string sourcePath)
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{
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return LoadGeoImage(image, sourcePath);
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}
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public static Task LoadGeoImageAsync(this Shape shape, string sourcePath)
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{
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return LoadGeoImage(shape, sourcePath);
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}
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private static async Task LoadGeoImage(FrameworkElement element, string sourcePath)
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{
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if (!string.IsNullOrEmpty(sourcePath))
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{
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try
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{
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var geoBitmap = await LoadGeoBitmap(sourcePath);
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if (element is Image image)
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{
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image.Stretch = Stretch.Fill;
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image.Source = geoBitmap.BitmapSource;
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}
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else if (element is Shape shape)
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{
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shape.Stretch = Stretch.Fill;
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shape.Fill = new ImageBrush
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{
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image.Stretch = Stretch.Fill;
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image.Source = geoBitmap.BitmapSource;
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}
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else if (element is Shape shape)
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{
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shape.Stretch = Stretch.Fill;
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shape.Fill = new ImageBrush
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{
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Stretch = Stretch.Fill,
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Stretch = Stretch.Fill,
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#if AVALONIA
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Source = geoBitmap.BitmapSource
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Source = geoBitmap.BitmapSource
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#else
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ImageSource = geoBitmap.BitmapSource
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ImageSource = geoBitmap.BitmapSource
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#endif
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};
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}
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MapPanel.SetBoundingBox(element, geoBitmap.BoundingBox);
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}
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catch (Exception ex)
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{
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Logger?.LogError(ex, "Failed loading from {path}", sourcePath);
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};
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}
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MapPanel.SetBoundingBox(element, geoBitmap.BoundingBox);
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}
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}
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private static async Task<GeoBitmap> LoadGeoBitmap(string sourcePath)
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{
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var ext = System.IO.Path.GetExtension(sourcePath);
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if (ext.Length >= 4)
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catch (Exception ex)
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{
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var dir = Path.GetDirectoryName(sourcePath);
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var file = Path.GetFileNameWithoutExtension(sourcePath);
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var worldFilePath = Path.Combine(dir, file + ext.Remove(2, 1) + "w");
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if (File.Exists(worldFilePath))
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{
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return new GeoBitmap(
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(BitmapSource)await ImageLoader.LoadImageAsync(sourcePath),
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await ReadWorldFileMatrix(worldFilePath),
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null);
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}
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Logger?.LogError(ex, "Failed loading from {path}", sourcePath);
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}
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return await LoadGeoTiff(sourcePath);
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}
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private static async Task<Matrix> ReadWorldFileMatrix(string worldFilePath)
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{
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using var fileStream = File.OpenRead(worldFilePath);
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using var streamReader = new StreamReader(fileStream);
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var parameters = new double[6];
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var index = 0;
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string line;
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while (index < 6 &&
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(line = await streamReader.ReadLineAsync()) != null &&
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double.TryParse(line, NumberStyles.Float, CultureInfo.InvariantCulture, out double parameter))
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{
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parameters[index++] = parameter;
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}
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if (index != 6)
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{
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throw new ArgumentException($"Insufficient number of parameters in world file {worldFilePath}.");
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}
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return new Matrix( // https://en.wikipedia.org/wiki/World_file
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parameters[0], // line 1: A
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parameters[1], // line 2: D
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parameters[2], // line 3: B
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parameters[3], // line 4: E
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parameters[4], // line 5: C
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parameters[5]); // line 6: F
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}
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private static MapProjection GetProjection(short[] geoKeyDirectory)
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{
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for (var i = 4; i < geoKeyDirectory.Length - 3; i += 4)
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{
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if (geoKeyDirectory[i] == ProjectedCRSGeoKey && geoKeyDirectory[i + 1] == 0)
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{
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var epsgCode = geoKeyDirectory[i + 3];
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return MapProjection.Parse($"EPSG:{epsgCode}");
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}
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}
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return null;
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}
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}
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private static async Task<GeoBitmap> LoadGeoBitmap(string sourcePath)
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{
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var ext = System.IO.Path.GetExtension(sourcePath);
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if (ext.Length >= 4)
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{
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var dir = Path.GetDirectoryName(sourcePath);
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var file = Path.GetFileNameWithoutExtension(sourcePath);
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var worldFilePath = Path.Combine(dir, file + ext.Remove(2, 1) + "w");
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if (File.Exists(worldFilePath))
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{
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return new GeoBitmap(
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(BitmapSource)await ImageLoader.LoadImageAsync(sourcePath),
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await ReadWorldFileMatrix(worldFilePath),
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null);
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}
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}
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return await LoadGeoTiff(sourcePath);
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}
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private static async Task<Matrix> ReadWorldFileMatrix(string worldFilePath)
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{
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using var fileStream = File.OpenRead(worldFilePath);
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using var streamReader = new StreamReader(fileStream);
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var parameters = new double[6];
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var index = 0;
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string line;
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while (index < 6 &&
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(line = await streamReader.ReadLineAsync()) != null &&
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double.TryParse(line, NumberStyles.Float, CultureInfo.InvariantCulture, out double parameter))
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{
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parameters[index++] = parameter;
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}
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if (index != 6)
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{
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throw new ArgumentException($"Insufficient number of parameters in world file {worldFilePath}.");
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}
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return new Matrix( // https://en.wikipedia.org/wiki/World_file
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parameters[0], // line 1: A
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parameters[1], // line 2: D
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parameters[2], // line 3: B
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parameters[3], // line 4: E
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parameters[4], // line 5: C
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parameters[5]); // line 6: F
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}
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private static MapProjection GetProjection(short[] geoKeyDirectory)
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{
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for (var i = 4; i < geoKeyDirectory.Length - 3; i += 4)
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{
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if (geoKeyDirectory[i] == ProjectedCRSGeoKey && geoKeyDirectory[i + 1] == 0)
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{
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var epsgCode = geoKeyDirectory[i + 3];
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return MapProjection.Parse($"EPSG:{epsgCode}");
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}
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}
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return null;
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}
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}
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