public static void Render(Viewport viewport, Canvas canvas, IEnumerable<Tile<Image>> tiles)
{
if (viewport == null) return;
canvas.Children.Clear();
var tileList = tiles.ToList();
for (int i = 0; i < tileList.Count; i++)
{
var tile = tileList[i];
if (tile.Image == null) continue;
var point1 = viewport.WorldToScreen(tile.Info.Extent.MinX, tile.Info.Extent.MaxY);
var point2 = viewport.WorldToScreen(tile.Info.Extent.MaxX, tile.Info.Extent.MinY);
var dest = new Rect(point1.ToMetroPoint(), point2.ToMetroPoint());
dest = RoundToPixel(dest);
Canvas.SetLeft(tile.Image, dest.X);
Canvas.SetTop(tile.Image, dest.Y);
tile.Image.Width = dest.Width;
tile.Image.Height = dest.Height;
canvas.Children.Add(tile.Image);
if (tile.StartAnimation == default(long))
{
tile.StartAnimation = DateTime.Now.Ticks;
Animate(tile.Image, "Opacity", 0, 1, 600, (s, e) => { });
}
}
}
public static void PositionImage(Image image, Extent extent, Viewport viewport)
{
var min = viewport.WorldToScreen(extent.MinX, extent.MinY);
var max = viewport.WorldToScreen(extent.MaxX, extent.MaxY);
Canvas.SetLeft(image, min.X);
Canvas.SetTop(image, max.Y);
image.Width = max.X - min.X;
image.Height = min.Y - max.Y;
}
