/// <summary>
/// Initializes a new instance of the <see cref="Rectangle"/> struct.
/// </summary>
/// <param name="coords1">The first coordinates.</param>
/// <param name="coords2">The second coordinates.</param>
/// <param name="directionType">The rectangle direction type.</param>
public Rectangle(Coordinates2 coords1, Coordinates2 coords2, RectangleDirectionType directionType)
{
this.Direction = directionType;
if (directionType == RectangleDirectionType.BottomUp)
{
this.TopLeft = new Coordinates2(coords1.X, coords2.Y);
this.TopRight = coords2;
this.BottomLeft = coords1;
this.BottomRight = new Coordinates2(coords2.X, coords1.Y);
}
else // TopDown
{
this.TopLeft = coords1;
this.TopRight = new Coordinates2(coords2.X, coords1.Y);
this.BottomLeft = new Coordinates2(coords1.X, coords2.Y);
this.BottomRight = coords2;
}
}
/// <summary>
/// Reads the JSON representation of the object.
/// </summary>
/// <param name="reader">The <see cref="JsonReader"/> to read from.</param>
/// <param name="objectType">Type of the object.</param>
/// <param name="existingValue">The existing value of object being read. If there is no existing value then <c>null</c> will be used.</param>
/// <param name="hasExistingValue">The existing value has a value.</param>
/// <param name="serializer">The calling serializer.</param>
/// <param name="directionType">The rectangle direction type.</param>
/// <returns>The object value.</returns>
public Rectangle ReadJson(JsonReader reader, Type objectType, Rectangle existingValue, bool hasExistingValue, JsonSerializer serializer, RectangleDirectionType directionType = RectangleDirectionType.TopDown)
{
if (!(serializer.Deserialize <JToken>(reader) is JArray jArray))
{
throw new JsonSerializationException($"Expected {nameof(jArray)} to be an array");
}
return(new Rectangle(jArray[0].ToObject <Coordinates2>(serializer), jArray[1].ToObject <Coordinates2>(serializer), directionType));
}
/// <summary>
/// Reads and converts the JSON to type <see cref="Rectangle"/>.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="options">An object that specifies serialization options to use.</param>
/// <param name="directionType">The rectangle direction type.</param>
/// <returns>The converted value.</returns>
protected static Rectangle Read(ref Utf8JsonReader reader, JsonSerializerOptions options, RectangleDirectionType directionType)
{
if (reader.TokenType != JsonTokenType.StartArray)
{
throw new JsonException("Expected start of array");
}
var values = new Coordinates2[2];
for (int i = 0; i < 2; i++)
{
if (!reader.Read())
{
throw new JsonException("Unexpected end of array");
}
values[i] = JsonSerializer.Deserialize <Coordinates2>(ref reader, options);
}
if (!reader.Read() || reader.TokenType != JsonTokenType.EndArray)
{
throw new JsonException("Expected end of array");
}
return(new Rectangle(values[0], values[1], directionType));
}
