public MapControl(UITile[,] map)
{
InitializeComponent();
_tiles = new TileStatus[map.GetLength(0), map.GetLength(1)];
_vm = new MapControlViewModel();
DataContext = _vm;
_vm.TileBitmap = new WriteableBitmap(BitmapHelper.CreateBitmap(map, TileHelper.UI_MAP_TILE_PIXELSIZE));
for (int x = 0; x < map.GetLength(0); x++)
{
for (int y = 0; y < map.GetLength(1); y++)
{
_tiles[x, y] = new TileStatus(x, y)
{
Tile = map[x, y]
};
}
}
//Set the startup size of the grid. This should be immediately overwritten by the SizeChanged event firing, but this ensures we have a valid startup configuration.
MapGrid.Width = map.GetLength(0) * TileHelper.UI_MAP_TILE_PIXELSIZE;
MapGrid.Height = map.GetLength(1) * TileHelper.UI_MAP_TILE_PIXELSIZE;
_tileWidth = TileHelper.UI_MAP_TILE_PIXELSIZE;
//When the control is resized, resize the internal grid to fill the available space without stretching.
SizeChanged += (sender, args) =>
{
double widthMult = args.NewSize.Width / map.GetLength(0);
double heightMult = args.NewSize.Height / map.GetLength(1);
double mult = Math.Min(widthMult, heightMult);
var width = (int)Math.Floor(map.GetLength(0) * mult);
var height = (int)Math.Floor(map.GetLength(1) * mult);
MapGrid.Width = width;
MapGrid.Height = height;
_tileWidth = mult;
};
}
private static Int32Rect DeSelect(TileStatus tile, IntPtr backBufferPtr, int backBufferStride)
{
tile.Selected = false;
return(BitmapHelper.OverwriteTile(backBufferPtr, backBufferStride, tile.Tile, tile.X, tile.Y, TileHelper.UI_MAP_TILE_PIXELSIZE));
}
