private void LookAtAnchor(XmlElement xml, ref Vector4 result)
{
if (!xml.Attributes.ContainsKey("Anchor"))
{
return;
}
Vector4Converter.Convert(xml.Attributes["Anchor"], ref result);
}
public static bool HasVector4(this XmlElement xml, string attribute, out Vector4 value)
{
value = Vector4.zero;
if (!xml.HasAttribute(attribute))
{
return(false);
}
return(Vector4Converter.Convert(xml.Attributes[attribute], ref value));
}
protected override bool TryCopyTo(BitmapContent destinationBitmap, Rectangle sourceRegion, Rectangle destinationRegion)
{
SurfaceFormat destinationFormat;
if (!destinationBitmap.TryGetFormat(out destinationFormat))
{
return(false);
}
// A shortcut for copying the entire bitmap to another bitmap of the same type and format
if (_format == destinationFormat && (sourceRegion == new Rectangle(0, 0, Width, Height)) && sourceRegion == destinationRegion)
{
destinationBitmap.SetPixelData(GetPixelData());
return(true);
}
// If the destination is not Vector4 or requires resizing, send it through BitmapContent.Copy
if (!(destinationBitmap is PixelBitmapContent <Vector4>) || sourceRegion.Width != destinationRegion.Width || sourceRegion.Height != destinationRegion.Height)
{
try
{
BitmapContent.Copy(this, sourceRegion, destinationBitmap, destinationRegion);
return(true);
}
catch (InvalidOperationException)
{
return(false);
}
}
// Convert to a Vector4 format
var dest = destinationBitmap as PixelBitmapContent <Vector4>;
if (default(T) is IPackedVector)
{
Parallel.For(0, sourceRegion.Height, (y) =>
{
var row = GetRow(sourceRegion.Top + y);
for (int x = 0; x < sourceRegion.Width; ++x)
{
dest.SetPixel(destinationRegion.Left + x, destinationRegion.Top + y, ((IPackedVector)row[sourceRegion.Left + x]).ToVector4());
}
});
}
else
{
var converter = new Vector4Converter() as IVector4Converter <T>;
// If no converter could be created, converting from this format is not supported
if (converter == null)
{
return(false);
}
Parallel.For(0, sourceRegion.Height, (y) =>
{
var row = GetRow(sourceRegion.Top + y);
for (int x = 0; x < sourceRegion.Width; ++x)
{
dest.SetPixel(destinationRegion.Left + x, destinationRegion.Top + y, converter.ToVector4(row[sourceRegion.Left + x]));
}
});
}
return(true);
}
public override object Convert(object value, Type type, IFormatProvider formatProvider)
{
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (value == null)
{
return(null);
}
Type underlyingType = type.GetGenericArguments()[0];
return(Convert(value, underlyingType, formatProvider));
}
if (type == YogaValueType)
{
var res = YogaValueConverter.NormalizeYogaValue(value);
if (res.HasValue)
{
return(res.Value);
}
}
if (value == null)
{
if (TypeConverter.TypeIsNullable(type))
{
return(null);
}
throw new NotSupportedException($"Unable to convert null to '{type.FullName}'");
}
if (type == ColorType)
{
if (value is Color v)
{
return(v);
}
var res = ColorConverter.FromJsValue(JsValue.FromObject(engine, value));
if (res.HasValue)
{
return(res.Value);
}
}
else if (type == Vector2Type)
{
if (value is Vector2 v)
{
return(v);
}
var res = Vector2Converter.FromJsValue(JsValue.FromObject(engine, value));
if (res.HasValue)
{
return(res.Value);
}
}
else if (type == Vector4Type)
{
if (value is Vector4 v)
{
return(v);
}
var res = Vector4Converter.FromJsValue(JsValue.FromObject(engine, value));
if (res.HasValue)
{
return(res.Value);
}
}
else if (type.IsEnum && value is string s)
{
return(Enum.Parse(type, s, true));
}
return(base.Convert(value, type, formatProvider));
}
