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GeoImage and DependencyPropertyHelper implementation

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ClemensFischer 2024-09-13 22:21:38 +02:00
parent 0344db4b9b
commit 1b0e73dc35
12 changed files with 190 additions and 154 deletions
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74
MapControl/WPF/DependencyPropertyHelper.WPF.cs
View file

@ -9,6 +9,44 @@ namespace MapControl
{
public static class DependencyPropertyHelper
{
public static DependencyProperty RegisterAttached<TValue>(
string name,
Type ownerType,
TValue defaultValue = default,
Action<FrameworkElement, TValue, TValue> changed = null,
bool inherits = false)
{
var metadata = new FrameworkPropertyMetadata
{
DefaultValue = defaultValue,
Inherits = inherits
};
if (changed != null)
{
metadata.PropertyChangedCallback = (o, e) =>
{
if (o is FrameworkElement element)
{
changed(element, (TValue)e.OldValue, (TValue)e.NewValue);
}
};
}
return DependencyProperty.RegisterAttached(name, typeof(TValue), ownerType, metadata);
}
public static DependencyProperty RegisterAttached<TValue>(
string name,
Type ownerType,
TValue defaultValue,
FrameworkPropertyMetadataOptions options)
{
var metadata = new FrameworkPropertyMetadata(defaultValue, options);
return DependencyProperty.RegisterAttached(name, typeof(TValue), ownerType, metadata);
}
public static DependencyProperty Register<TOwner, TValue>(
string name,
TValue defaultValue,
@ -47,42 +85,6 @@ namespace MapControl
return DependencyProperty.Register(name, typeof(TValue), typeof(TOwner), metadata);
}
public static DependencyProperty RegisterAttached<TOwner, TValue>(
string name,
TValue defaultValue,
FrameworkPropertyMetadataOptions options)
{
var metadata = new FrameworkPropertyMetadata(defaultValue, options);
return DependencyProperty.RegisterAttached(name, typeof(TValue), typeof(TOwner), metadata);
}
public static DependencyProperty RegisterAttached<TOwner, TValue>(
string name,
TValue defaultValue = default,
Action<FrameworkElement, TValue, TValue> changed = null,
bool inherits = false)
{
var metadata = new FrameworkPropertyMetadata
{
DefaultValue = defaultValue,
Inherits = inherits
};
if (changed != null)
{
metadata.PropertyChangedCallback = (o, e) =>
{
if (o is FrameworkElement element)
{
changed(element, (TValue)e.OldValue, (TValue)e.NewValue);
}
};
}
return DependencyProperty.RegisterAttached(name, typeof(TValue), typeof(TOwner), metadata);
}
public static DependencyPropertyKey RegisterReadOnly<TOwner, TValue>(
string name,
TValue defaultValue = default)

19
MapControl/WPF/GeoImage.WPF.cs
View file

@ -12,16 +12,23 @@ using System.Windows.Media.Imaging;
namespace MapControl
{
public partial class GeoImage
public static partial class GeoImage
{
private Point BitmapSize => new Point(bitmapSource.PixelWidth, bitmapSource.PixelHeight);
private partial class GeoBitmap
{
public Point BitmapSize => new Point(BitmapSource.PixelWidth, BitmapSource.PixelHeight);
private ImageBrush ImageBrush => new ImageBrush(bitmapSource);
public ImageBrush ImageBrush => new ImageBrush(BitmapSource);
}
private Task LoadGeoTiffAsync(string sourcePath)
private static Task<GeoBitmap> LoadGeoTiffAsync(string sourcePath)
{
return Task.Run(() =>
{
BitmapSource bitmapSource;
Matrix transformMatrix;
MapProjection mapProjection = null;
using (var stream = File.OpenRead(sourcePath))
{
bitmapSource = BitmapFrame.Create(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
@ -50,7 +57,7 @@ namespace MapControl
if (metadata.GetQuery(QueryString(GeoKeyDirectoryTag)) is short[] geoKeyDirectory)
{
SetProjection(geoKeyDirectory);
mapProjection = GetProjection(geoKeyDirectory);
}
if (metadata.GetQuery(QueryString(NoDataTag)) is string noData &&
@ -58,6 +65,8 @@ namespace MapControl
{
bitmapSource = ConvertTransparentPixel(bitmapSource, noDataValue);
}
return new GeoBitmap(bitmapSource, transformMatrix, mapProjection);
});
}

6
MapControl/WPF/MapPanel.WPF.cs
View file

@ -12,14 +12,14 @@ namespace MapControl
public partial class MapPanel
{
public static readonly DependencyProperty AutoCollapseProperty =
DependencyPropertyHelper.RegisterAttached<MapPanel, bool>("AutoCollapse");
DependencyPropertyHelper.RegisterAttached< bool>("AutoCollapse", typeof(MapPanel));
public static readonly DependencyProperty LocationProperty =
DependencyPropertyHelper.RegisterAttached<MapPanel, Location>("Location", null,
DependencyPropertyHelper.RegisterAttached<Location>("Location", typeof(MapPanel), null,
FrameworkPropertyMetadataOptions.AffectsParentArrange);
public static readonly DependencyProperty BoundingBoxProperty =
DependencyPropertyHelper.RegisterAttached<MapPanel, BoundingBox>("BoundingBox", null,
DependencyPropertyHelper.RegisterAttached<BoundingBox>("BoundingBox", typeof(MapPanel), null,
FrameworkPropertyMetadataOptions.AffectsParentArrange);
protected IEnumerable<FrameworkElement> ChildElements => InternalChildren.OfType<FrameworkElement>();