Files
SpineViewer/SpineViewer/Utils/TypeConverter.cs
2025-04-28 00:08:25 +07:00

263 lines
11 KiB
C#

using SpineViewer.Spine;
using SpineViewer.Spine.SpineView;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SpineViewer.Utils
{
public class PointFConverter : ExpandableObjectConverter
{
public override bool CanConvertTo(ITypeDescriptorContext? context, [NotNullWhen(true)] Type? destinationType)
{
return destinationType == typeof(string) || base.CanConvertTo(context, destinationType);
}
public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)
{
if (destinationType == typeof(string) && value is PointF point)
{
return $"{point.X}, {point.Y}";
}
return base.ConvertTo(context, culture, value, destinationType);
}
public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType)
{
return sourceType == typeof(string) || base.CanConvertFrom(context, sourceType);
}
public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)
{
if (value is string str)
{
var parts = str.Split(',');
if (parts.Length == 2 &&
float.TryParse(parts[0], out var x) &&
float.TryParse(parts[1], out var y))
{
return new PointF(x, y);
}
}
return base.ConvertFrom(context, culture, value);
}
}
public class StringEnumConverter : StringConverter
{
/// <summary>
/// 字符串标准值列表属性
/// </summary>
[AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
public class StandardValuesAttribute : Attribute
{
/// <summary>
/// 标准值列表
/// </summary>
public ReadOnlyCollection<string> StandardValues { get; private set; }
private readonly List<string> standardValues = [];
/// <summary>
/// 是否允许用户自定义
/// </summary>
public bool Customizable { get; set; } = false;
/// <summary>
/// 字符串标准值列表
/// </summary>
/// <param name="values">允许的字符串标准值</param>
public StandardValuesAttribute(params string[] values)
{
standardValues.AddRange(values);
StandardValues = standardValues.AsReadOnly();
}
}
private StandardValuesCollection standardValues;
public override bool GetStandardValuesSupported(ITypeDescriptorContext? context) => true;
public override bool GetStandardValuesExclusive(ITypeDescriptorContext? context)
{
var customizable = context?.PropertyDescriptor?.Attributes.OfType<StandardValuesAttribute>().FirstOrDefault()?.Customizable ?? false;
return !customizable;
}
public override StandardValuesCollection? GetStandardValues(ITypeDescriptorContext? context)
{
if (standardValues is null)
{
// 查找属性上的 StandardValuesAttribute
var attribute = context?.PropertyDescriptor?.Attributes.OfType<StandardValuesAttribute>().FirstOrDefault();
if (attribute != null)
standardValues = new StandardValuesCollection(attribute.StandardValues);
else
standardValues = new StandardValuesCollection(Array.Empty<string>());
}
return standardValues;
}
}
public class ResolutionConverter : SizeConverter
{
private static readonly StandardValuesCollection standardValues = new(new Size[] {
new(4096, 4096),
new(2048, 2048),
new(1024, 1024),
new(512, 512),
new(3840, 2160),
new(2560, 1440),
new(1920, 1080),
new(1280, 720),
new(2160, 3840),
new(1440, 2560),
new(1080, 1920),
new(720, 1280),
});
public override bool GetStandardValuesSupported(ITypeDescriptorContext? context) => true;
public override bool GetStandardValuesExclusive(ITypeDescriptorContext? context) => false;
public override StandardValuesCollection? GetStandardValues(ITypeDescriptorContext? context) => standardValues;
}
public class SFMLColorConverter : ExpandableObjectConverter
{
private static SFML.Graphics.Color ParseHexColor(string hex, bool includeAlpha)
{
byte r = byte.Parse(hex.Substring(1, 2), NumberStyles.HexNumber);
byte g = byte.Parse(hex.Substring(3, 2), NumberStyles.HexNumber);
byte b = byte.Parse(hex.Substring(5, 2), NumberStyles.HexNumber);
byte a = includeAlpha ? byte.Parse(hex.Substring(7, 2), NumberStyles.HexNumber) : (byte)255;
return new SFML.Graphics.Color(r, g, b, a);
}
private static SFML.Graphics.Color ParseShortHexColor(string hex, bool includeAlpha)
{
byte r = Convert.ToByte($"{hex[1]}{hex[1]}", 16);
byte g = Convert.ToByte($"{hex[2]}{hex[2]}", 16);
byte b = Convert.ToByte($"{hex[3]}{hex[3]}", 16);
byte a = includeAlpha ? Convert.ToByte($"{hex[4]}{hex[4]}", 16) : (byte)255;
return new SFML.Graphics.Color(r, g, b, a);
}
private static readonly StandardValuesCollection standardValues;
static SFMLColorConverter()
{
// 初始化所有 KnownColor
var knownColors = Enum.GetValues(typeof(KnownColor))
.Cast<KnownColor>()
.Select(knownColor =>
{
var color = Color.FromKnownColor(knownColor);
return new SFML.Graphics.Color(color.R, color.G, color.B, color.A);
})
.ToArray();
standardValues = new StandardValuesCollection(knownColors);
}
public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType)
{
return sourceType == typeof(string) || base.CanConvertFrom(context, sourceType);
}
public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)
{
if (value is string s)
{
s = s.Trim();
try
{
// 处理 #RRGGBBAA 和 #RRGGBB 格式
if (s.StartsWith("#"))
{
if (s.Length == 9) // #RRGGBBAA
return ParseHexColor(s, includeAlpha: true);
if (s.Length == 7) // #RRGGBB
return ParseHexColor(s, includeAlpha: false);
if (s.Length == 5) // #RGBA
return ParseShortHexColor(s, includeAlpha: true);
if (s.Length == 4) // #RGB
return ParseShortHexColor(s, includeAlpha: false);
throw new FormatException(Properties.Resources.formatExceptionParseColor);
}
// 处理 R,G,B,A 和 R,G,B 格式
var parts = s.Split(',');
if (parts.Length == 3 || parts.Length == 4)
{
byte r = byte.Parse(parts[0].Trim());
byte g = byte.Parse(parts[1].Trim());
byte b = byte.Parse(parts[2].Trim());
byte a = parts.Length == 4 ? byte.Parse(parts[3].Trim()) : (byte)255;
return new SFML.Graphics.Color(r, g, b, a);
}
// 尝试解析为 KnownColor
var color = Color.FromName(s);
if (color.IsKnownColor || color.IsNamedColor)
return new SFML.Graphics.Color(color.R, color.G, color.B, color.A);
throw new FormatException(Properties.Resources.formatExceptionUnknownColor);
}
catch (Exception ex)
{
throw new FormatException(Properties.Resources.formatExceptionParseColorError, ex);
}
}
return base.ConvertFrom(context, culture, value);
}
public override bool CanConvertTo(ITypeDescriptorContext? context, Type? destinationType)
{
return destinationType == typeof(string) || base.CanConvertTo(context, destinationType);
}
public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)
{
if (destinationType == typeof(string) && value is SFML.Graphics.Color color)
return $"#{color.R:X2}{color.G:X2}{color.B:X2}{color.A:X2}";
return base.ConvertTo(context, culture, value, destinationType);
}
public override bool GetStandardValuesSupported(ITypeDescriptorContext? context) => true;
public override bool GetStandardValuesExclusive(ITypeDescriptorContext? context) => false;
public override StandardValuesCollection? GetStandardValues(ITypeDescriptorContext? context) => standardValues;
private class SFMLColorPropertyDescriptor : SimplePropertyDescriptor
{
public SFMLColorPropertyDescriptor(Type componentType, string name, Type propertyType) : base(componentType, name, propertyType) { }
public override object? GetValue(object? component) => component?.GetType().GetField(Name)?.GetValue(component) ?? default;
public override void SetValue(object? component, object? value) => component?.GetType().GetField(Name)?.SetValue(component, value);
}
private static PropertyDescriptorCollection pdCollection = null;
public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext? context, object value, Attribute[]? attributes)
{
pdCollection ??= new(
[
new SFMLColorPropertyDescriptor(typeof(SFML.Graphics.Color), "R", typeof(byte)),
new SFMLColorPropertyDescriptor(typeof(SFML.Graphics.Color), "G", typeof(byte)),
new SFMLColorPropertyDescriptor(typeof(SFML.Graphics.Color), "B", typeof(byte)),
new SFMLColorPropertyDescriptor(typeof(SFML.Graphics.Color), "A", typeof(byte))
],
true
);
return pdCollection;
}
}
}