/* #endregion Private Methods */
/* #region Protected Methods */
protected override Size ArrangeOverride(Size finalSize)
{
var baseVal = base.ArrangeOverride(finalSize);
//foreach(FrameworkElement child in this.Children)
//{
// var imageRect = new Rect(0,0, 200,200);
// child.Arrange(imageRect);
//}
var viewport = this.GetViewport();
var uspan = UVWavHelpers.GetUSpan(this.StartMs, this.EndMs);
foreach (var kvp in this.TileControls)
{
QuadkeyHelpers.QuadKeyToTileXY(kvp.Key, out int tileX, out int tileY, out int ld);
var tile = new Tile(tileX, tileY, ld);
var tileUV = tile.Viewport();
var imageLeft = finalSize.Width * (tileUV.Left - uspan.Value) / uspan.Width;
var imageRight = finalSize.Width * ((tileUV.Left + tileUV.Width) - uspan.Value) / uspan.Width;
var tileLeftMs = tileUV.Left * UVWavHelpers.FullRangeProjection.Width;
var tileWidthMs = tileUV.Width * UVWavHelpers.FullRangeProjection.Width;
var imageTop = 0.0;
var imageHeight = finalSize.Height;
//var imageLeft = 0.0;
//var imageWidth = 100.0;
//var imageTop = 0.0;
//var imageHeight = 100.0;
var imageRect = new Rect(imageLeft, imageTop, imageRight - imageLeft, imageHeight);
//kvp.Value.SetValue(Canvas.LeftProperty, imageLeft);
//kvp.Value.SetValue(Canvas.TopProperty, imageTop);
//kvp.Value.Width = imageWidth;
//kvp.Value.Height = imageHeight;
kvp.Value.Arrange(imageRect);
}
return(finalSize);
}
private void InvalidateTiles()
{
if (this.FilePath == null)
{
return;
}
var viewport = this.GetViewport();
var tileProvider = new DefaultTileProvider();
var levelOfDetail = QuadkeyHelpers.GetLevelOfDetail(viewport);
//levelOfDetail++;
var tiles = tileProvider.GetTiles(levelOfDetail, viewport);
var tiles1d = tiles.Where(p => p.TileY() == 0);
var currentKeys = this.TileControls.Keys.ToArray();
/* #region Get new, old and existing keys */
var newTileKeys = new List <string>();
var oldTileKeys = new List <string>();
var existingTileKeys = new List <string>();
foreach (var tile in tiles1d)
{
if (currentKeys.Contains(tile.Key))
{
existingTileKeys.Add(tile.Key);
}
else
{
newTileKeys.Add(tile.Key);
}
}
foreach (var existingKey in currentKeys)
{
if (!tiles.Any(p => p.Key == existingKey))
{
oldTileKeys.Add(existingKey);
}
}
/* #endregion*/
foreach (var newTileKey in newTileKeys)
{
var tileControl = new TileControl(this.ServiceProvider, newTileKey, this.FilePath);
this.TileControls.Add(newTileKey, tileControl);
this.Children.Add(tileControl);
//this.AddVisualChild(tileControl);
}
foreach (var oldTileKey in oldTileKeys)
{
var tileControl = this.TileControls[oldTileKey];
this.TileControls.Remove(oldTileKey);
this.Children.Remove(tileControl);
//this.RemoveVisualChild(tileControl);
}
foreach (var existingTile in existingTileKeys)
{
}
this.InvalidateArrange();
}