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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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17
MapControl/Shared/MapBase.cs
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@ -198,14 +198,21 @@ namespace MapControl
public ViewTransform ViewTransform { get; } = new ViewTransform();
/// <summary>
/// Gets the map scale as the horizontal and vertical scaling factors from geographic
/// coordinates to view coordinates at the specified location, as pixels per meter.
/// Gets the map scale as horizontal and vertical scaling factors from meters to
/// view coordinates at the specified location.
/// </summary>
public Point GetScale(Location location)
{
var relativeScale = MapProjection.GetRelativeScale(location);
return ViewTransform.GetMapScale(MapProjection.GetRelativeScale(location));
}
return new Point(ViewTransform.Scale * relativeScale.X, ViewTransform.Scale * relativeScale.Y);
/// <summary>
/// Gets a transform Matrix from meters to view coordinates for scaling and rotating
/// objects that are anchored at a Location.
/// </summary>
public Matrix GetMapTransform(Location location)
{
return ViewTransform.GetMapTransform(MapProjection.GetRelativeScale(location));
}
/// <summary>
@ -554,7 +561,7 @@ namespace MapControl
}
}
SetViewScale(ViewTransform.Scale);
ViewScale = ViewTransform.Scale;
// Check if view center has moved across 180° longitude.
//