/// <summary>
/// Initializes a new instance of the Tile class.
/// </summary>
/// <param name="zoom">The zoom level for the tile.</param>
/// <param name="x">The tile index along the X axis.</param>
/// <param name="y">The tile index along the Y axis.</param>
/// <param name="tileGenerator">TileGenerator</param>
public Tile(int zoom, int x, int y, TileGenerator tileGenerator)
{
_tileX = x;
_tileY = y;
_zoom = zoom;
_tileGenerator = tileGenerator;
LoadTile();
}
/// <summary>
/// Initializes a new instance of the MapOffset class.
/// </summary>
/// <param name="property">The property this MapOffset represents.</param>
/// <param name="offsetChanged">Called when the Offset changes.</param>
/// <param name="tileGenerator">TileGenerator</param>
internal MapOffset(PropertyInfo property, EventHandler offsetChanged, TileGenerator tileGenerator)
{
System.Diagnostics.Debug.Assert(property != null, "property cannot be null");
System.Diagnostics.Debug.Assert(offsetChanged != null, "offsetChanged cannot be null");
_offsetChanged = offsetChanged;
Property = property;
_tileGenerator = tileGenerator;
CompositionTarget.Rendering += OnRendering; // Used for manual animation
}
/// <summary>
/// Alters the zoom of the map, maintaing the same point underneath the mouse at the new zoom level.
/// </summary>
/// <param name="e">The MouseWheelEventArgs that contains the event data.</param>
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
int newZoom = TileGenerator.GetValidZoom(Zoom + (e.Delta / Mouse.MouseWheelDeltaForOneLine));
Point mouse = e.GetPosition(this);
BeginUpdate();
_offsetX.ChangeZoom(newZoom, mouse.X);
_offsetY.ChangeZoom(newZoom, mouse.Y);
// Set this after we've altered the offsets.
Zoom = newZoom;
EndUpdate();
}
private static object OnZoomPropertyCoerceValue(DependencyObject d, object baseValue)
{
return(TileGenerator.GetValidZoom((int)baseValue));
}
/// <summary>
/// Initializes a new instance of the TilePanel class.
/// </summary>
public TilePanel(TileGenerator tileGenerator)
{
_tileGenerator = tileGenerator;
// This stops the Images from being blurry.
RenderOptions.SetBitmapScalingMode(this, BitmapScalingMode.NearestNeighbor);
}
