public override int GetHashCode()
{
unchecked
{
var hashCode = _types != null?_types.GetHashCode() : 0;
hashCode = (hashCode * 397) ^ (SliceKey != null ? SliceKey.GetHashCode() : 0);
return(hashCode);
}
}
public Image GetImage(string tileKeyContentPath, int dimension, Rectangle?sliceRectangle, BitmapSource tileSource)
{
var key = new SliceKey(tileKeyContentPath, sliceRectangle);
if (ImageFactory.TryGetValue(key, out var image))
{
return(image);
}
var tile = new Image {
Height = dimension,
Width = dimension,
Source = tileSource
};
ImageFactory.Add(key, tile);
return(tile);
}
public BitmapSource GetBitmapSource(string bitmapSourcePath, Rectangle?area = null)
{
try
{
if (string.IsNullOrEmpty(bitmapSourcePath))
{
return(null);
}
var key = new SliceKey(bitmapSourcePath, area);
if (BitmapSourceFactory.TryGetValue(key, out var croppedBitmapSource))
{
return(croppedBitmapSource);
}
if (area.HasValue)
{
var nonCroppedkey = new SliceKey(bitmapSourcePath, null);
if (!BitmapSourceFactory.TryGetValue(nonCroppedkey, out var bitmapSource))
{
bitmapSource = BitmapSourceFromPath(bitmapSourcePath);
BitmapSourceFactory.Add(nonCroppedkey, bitmapSource);
}
var croppedBitMap = new CroppedBitmap(bitmapSource, new Int32Rect(area.Value.X, area.Value.Y, area.Value.Width, area.Value.Height));
BitmapSourceFactory.Add(key, croppedBitMap);
return(croppedBitMap);
}
else
{
var bitMapSource = BitmapSourceFromPath(bitmapSourcePath);
BitmapSourceFactory.Add(key, bitMapSource);
return(bitMapSource);
}
}
catch (Exception e) {
throw new BitmapLoadException($"Could not load bitmap from path with rect {area.ToString()}: {bitmapSourcePath}", e);
}
}
