mirror of https://github.com/ppy/osu
72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Diagnostics;
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using System.Drawing;
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using System.Globalization;
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using Newtonsoft.Json;
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namespace osu.Game.Tournament
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{
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/// <summary>
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/// We made a change from using SixLabors.ImageSharp.Point to System.Drawing.Point at some stage.
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/// This handles converting to a standardised format on json serialize/deserialize operations.
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/// </summary>
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internal class JsonPointConverter : JsonConverter<Point>
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{
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public override void WriteJson(JsonWriter writer, Point value, JsonSerializer serializer)
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{
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// use the format of LaborSharp's Point since it is nicer.
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serializer.Serialize(writer, new { value.X, value.Y });
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}
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public override Point ReadJson(JsonReader reader, Type objectType, Point existingValue, bool hasExistingValue, JsonSerializer serializer)
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{
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if (reader.TokenType != JsonToken.StartObject)
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{
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// if there's no object present then this is using string representation (System.Drawing.Point serializes to "x,y")
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string? str = (string?)reader.Value;
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Debug.Assert(str != null);
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// Null check suppression is required due to .NET standard expecting a non-null context.
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// Seems to work fine at a runtime level (and the parameter is nullable in .NET 6+).
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return new PointConverter().ConvertFromString(null!, CultureInfo.InvariantCulture, str) as Point? ?? new Point();
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}
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var point = new Point();
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while (reader.Read())
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{
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if (reader.TokenType == JsonToken.EndObject) break;
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if (reader.TokenType == JsonToken.PropertyName)
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{
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string? name = reader.Value?.ToString();
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int? val = reader.ReadAsInt32();
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if (name == null)
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continue;
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if (val == null)
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continue;
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switch (name)
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{
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case "X":
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point.X = val.Value;
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break;
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case "Y":
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point.Y = val.Value;
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break;
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}
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}
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}
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return point;
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}
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}
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}
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