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Moved Matrix creation to ViewTransform

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ClemensFischer 2024-05-22 09:42:21 +02:00
parent a1b8ed1ce8
commit 9cb4a9be7e
7 changed files with 138 additions and 103 deletions
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23
MapControl/Avalonia/MapBase.Avalonia.cs
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@ -7,7 +7,6 @@ using Avalonia.Animation;
using Avalonia.Animation.Easings;
using Avalonia.Controls;
using Avalonia.Styling;
using System;
using System.Threading;
using System.Threading.Tasks;
@ -36,7 +35,7 @@ namespace MapControl
public static readonly StyledProperty<double> MaxZoomLevelProperty =
DependencyPropertyHelper.Register<MapBase, double>(nameof(MaxZoomLevel), 20d, false,
(map, oldValue, newValue) => map.MaxZoomLevelPropertyChanged(newValue),
(map, value) => map.CoerceMinZoomLevelProperty(value));
(map, value) => map.CoerceMaxZoomLevelProperty(value));
public static readonly StyledProperty<double> ZoomLevelProperty =
DependencyPropertyHelper.Register<MapBase, double>(nameof(ZoomLevel), 1d, true,
@ -106,24 +105,8 @@ namespace MapControl
/// </summary>
public double ViewScale
{
get => ViewTransform.Scale;
}
private void SetViewScale(double viewScale)
{
RaisePropertyChanged(ViewScaleProperty, double.NaN, viewScale);
}
/// <summary>
/// Gets a transform Matrix for scaling and rotating objects that are anchored
/// at a Location from map coordinates (i.e. meters) to view coordinates.
/// </summary>
public Matrix GetMapTransform(Location location)
{
var scale = GetScale(location);
return Matrix.CreateScale(scale.X, scale.Y)
* Matrix.CreateRotation(ViewTransform.Rotation * Math.PI / 180d);
get => (double)GetValue(ViewScaleProperty);
private set => RaisePropertyChanged(ViewScaleProperty, double.NaN, value);
}
private void CenterPropertyChanged(Location center)