fix: Begin rewriting RangeAttribute

This commit is contained in:
Chris Cameron
2019-06-12 23:42:59 -04:00
parent 6526b2b811
commit e3273934a7
4 changed files with 359 additions and 246 deletions

View File

@@ -0,0 +1,104 @@
using System;
using NUnit.Framework;
using RangeAttribute = ICD.Common.Utils.Attributes.RangeAttribute;
namespace ICD.Common.Utils.Tests.Attributes
{
[TestFixture]
public sealed class RangeAttributeTest : AbstractIcdAttributeTest<RangeAttribute>
{
#region Properties
[TestCase(1)]
[TestCase(1.0f)]
[TestCase(1.0)]
public void MinTest(object min)
{
Assert.AreEqual(min, new RangeAttribute(min, min).Min);
}
[TestCase(1)]
[TestCase(1.0f)]
[TestCase(1.0)]
public void MaxTest(object max)
{
Assert.AreEqual(max, new RangeAttribute(max, max).Max);
}
#endregion
#region Methods
#region Remap To
[TestCase(0, 0)]
[TestCase(1.0, 1.0)]
[TestCase(ushort.MaxValue, double.MaxValue)]
[TestCase(short.MinValue, double.MinValue)]
public void RemapToDoubleTest(object value, double expected)
{
Assert.AreEqual(expected, RangeAttribute.RemapToDouble(value));
}
[TestCase(0, (ushort)0)]
[TestCase(1.0, (ushort)1)]
[TestCase(double.MaxValue, ushort.MaxValue)]
[TestCase(double.MinValue, ushort.MinValue)]
public void RemapToUShortTest(object value, ushort expected)
{
Assert.AreEqual(expected, RangeAttribute.RemapToUShort(value));
}
#endregion
#region Remap From
[TestCase(0, typeof(ushort), (ushort)0)]
[TestCase(double.MinValue, typeof(ushort), ushort.MinValue)]
[TestCase(double.MaxValue, typeof(ushort), ushort.MaxValue)]
public void RemapFromDoubleTest(double value, Type type, object expected)
{
Assert.AreEqual(expected, RangeAttribute.RemapFromDouble(value, type));
}
[TestCase((ushort)0, typeof(double), 0)]
[TestCase(ushort.MinValue, typeof(double), double.MinValue)]
[TestCase(ushort.MaxValue, typeof(double), double.MaxValue)]
public void RemapFromUShortTest(ushort value, Type type, object expected)
{
Assert.AreEqual(expected, RangeAttribute.RemapFromUShort(value, type));
}
#endregion
#region Remap To Attribute And Clamp
public void RemapAndClampToDoubleTest(object value, object min, object max, double expected)
{
Assert.AreEqual(expected, new RangeAttribute(min, max).RemapAndClampToDouble(value));
}
public void RemapAndClampToUShortTest(object value, object min, object max, ushort expected)
{
Assert.AreEqual(expected, new RangeAttribute(min, max).RemapAndClampToDouble(value));
}
#endregion
#region Remap And Clamp
public void RemapAndClampFromDoubleTest(double value, object min, object max, object expected)
{
Assert.AreEqual(expected, new RangeAttribute(min, max).RemapAndClamp(value));
}
public void RemapAndClampFromUShortTest(ushort value, object min, object max, object expected)
{
Assert.AreEqual(expected, new RangeAttribute(min, max).RemapAndClamp(value));
}
#endregion
#endregion
}
}

View File

@@ -27,6 +27,10 @@ namespace ICD.Common.Utils.Tests
[Test, UsedImplicitly]
public void MapRangeTest()
{
Assert.AreEqual(5, MathUtils.MapRange(-100, 100, 0, 10, 0));
Assert.AreEqual(7, MathUtils.MapRange(-100, 100, 0, 10, 50));
Assert.AreEqual(10, MathUtils.MapRange(-100, 100, 0, 10, 100));
Assert.AreEqual(0, MathUtils.MapRange(0, 100, 0, 10, 0));
Assert.AreEqual(5, MathUtils.MapRange(0, 100, 0, 10, 50));
Assert.AreEqual(10, MathUtils.MapRange(0, 100, 0, 10, 100));
@@ -36,7 +40,13 @@ namespace ICD.Common.Utils.Tests
Assert.AreEqual(100, MathUtils.MapRange(0, 10, 0, 100, 10));
}
[Test, UsedImplicitly]
[TestCase(double.MinValue, double.MaxValue, 0.0, 1.0, double.MaxValue, 1.0)]
public void MapRangeTest(double inputStart, double inputEnd, double outputStart, double outputEnd, double value, double expected)
{
Assert.AreEqual(expected, MathUtils.MapRange(inputStart, inputEnd, outputStart, outputEnd, value));
}
[Test, UsedImplicitly]
public void GetRangesTest()
{
IEnumerable<int> values = new [] { 1, 3, 5, 6, 7, 8, 9, 10, 12 };

View File

@@ -1,4 +1,6 @@
using System;
using System.Collections.Generic;
using ICD.Common.Utils.Extensions;
namespace ICD.Common.Utils.Attributes
{
@@ -8,292 +10,325 @@ namespace ICD.Common.Utils.Attributes
[AttributeUsage(AttributeTargets.Property |
AttributeTargets.Field |
AttributeTargets.Parameter |
AttributeTargets.ReturnValue,
AllowMultiple = false,
Inherited = true)]
AttributeTargets.ReturnValue)]
public sealed class RangeAttribute : AbstractIcdAttribute
{
/// <summary>
/// Remaps from the source numeric min/max to double min/max.
/// </summary>
private static readonly Dictionary<Type, Func<object, double>> s_RemapToDouble =
new Dictionary<Type, Func<object, double>>
{
{ typeof(double), o => (double)o},
{ typeof(ushort), o => MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(short), o => MathUtils.MapRange(short.MinValue, short.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(uint), o => MathUtils.MapRange(uint.MinValue, uint.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(int), o => MathUtils.MapRange(int.MinValue, int.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(ulong), o => MathUtils.MapRange(ulong.MinValue, ulong.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(long), o => MathUtils.MapRange(long.MinValue, long.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(float), o => MathUtils.MapRange(float.MinValue, float.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(decimal), o => MathUtils.MapRange((double)decimal.MinValue, (double)decimal.MaxValue, double.MinValue, double.MaxValue, (double)o)},
{ typeof(byte), o => MathUtils.MapRange(byte.MinValue, byte.MaxValue, double.MinValue, double.MaxValue, (double)o)},
};
/// <summary>
/// Remaps from the double min/max to target numeric min/max.
/// </summary>
private static readonly Dictionary<Type, Func<double, object>> s_RemapFromDouble =
new Dictionary<Type, Func<double, object>>
{
{ typeof(double), v => v},
{ typeof(ushort), v => (ushort)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * ushort.MaxValue)},
{ typeof(short), v => (short)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * short.MaxValue)},
{ typeof(uint), v => (uint)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * uint.MaxValue)},
{ typeof(int), v =>(int)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * int.MaxValue)},
{ typeof(ulong), v => (ulong)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * ulong.MaxValue)},
{ typeof(long), v => (long)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * long.MaxValue)},
{ typeof(float), v => (float)(MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * float.MaxValue)},
{ typeof(decimal), v => (decimal)MathUtils.MapRange(double.MinValue, double.MaxValue, -1, 1, v) * decimal.MaxValue},
{ typeof(byte), v => (byte)(MathUtils.MapRange(double.MinValue, double.MaxValue, 0, 1, v) * byte.MaxValue)},
};
private readonly object m_Min;
private readonly object m_Max;
#region Properties
public object Min { get; private set; }
public object Max { get; private set; }
/// <summary>
/// Gets the min value for this range.
/// </summary>
public object Min { get { return m_Min; } }
/// <summary>
/// Gets the max value for this range.
/// </summary>
public object Max { get { return m_Max; } }
#endregion
#region Constructors
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(ushort min, ushort max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(short min, short max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(uint min, uint max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(int min, int max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(ulong min, ulong max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(long min, long max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(float min, float max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(double min, double max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(byte min, byte max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(sbyte min, sbyte max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(decimal min, decimal max)
: this((object)min, (object)max)
{
Min = min;
Max = max;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="min"></param>
/// <param name="max"></param>
public RangeAttribute(object min, object max)
{
if (min == null)
throw new ArgumentNullException("min");
if (max == null)
throw new ArgumentNullException("max");
if (min.GetType() != max.GetType())
throw new ArgumentException("Min and Max types do not match");
if (!min.GetType().IsNumeric())
throw new ArgumentException("Given types are not numeric");
m_Min = min;
m_Max = max;
}
#endregion
#region Methods
public T GetMin<T>()
#region Remap To
/// <summary>
/// Remaps the given numeric value from its min/max range into double min/max range.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static double RemapToDouble(object value)
{
return (T)Convert.ChangeType(Min, typeof(T), null);
if (value == null)
throw new ArgumentNullException("value");
Func<object, double> remap;
if (!s_RemapToDouble.TryGetValue(value.GetType(), out remap))
throw new NotSupportedException("Value type is not supported.");
return remap(value);
}
public T GetMax<T>()
/// <summary>
/// Remaps the given numeric value from its min/max range into ushort min/max range.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static ushort RemapToUShort(object value)
{
return (T)Convert.ChangeType(Max, typeof(T), null);
}
public bool IsInRange(object value)
{
if (value is ushort)
{
if (!(Min is ushort))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (ushort)value;
return (castVal >= GetMin<ushort>() && castVal <= GetMax<ushort>());
}
if (value is short)
{
if (!(Min is short))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (short)value;
return (castVal >= GetMin<short>() && castVal <= GetMax<short>());
}
if (value is uint)
{
if (!(Min is uint))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (uint)value;
return (castVal >= GetMin<uint>() && castVal <= GetMax<uint>());
}
if (value is int)
{
if (!(Min is int))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (int)value;
return (castVal >= GetMin<int>() && castVal <= GetMax<int>());
}
if (value is ulong)
{
if (!(Min is ulong))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (ulong)value;
return (castVal >= GetMin<ulong>() && castVal <= GetMax<ulong>());
}
if (value is long)
{
if (!(Min is long))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (long)value;
return (castVal >= GetMin<long>() && castVal <= GetMax<long>());
}
if (value is float)
{
if (!(Min is float))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (float)value;
return (castVal >= GetMin<float>() && castVal <= GetMax<float>());
}
if (value is double)
{
if (!(Min is double))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (double)value;
return (castVal >= GetMin<double>() && castVal <= GetMax<double>());
}
if (value is decimal)
{
if (!(Min is decimal))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (decimal)value;
return (castVal >= GetMin<decimal>() && castVal <= GetMax<decimal>());
}
if (value is byte)
{
if (!(Min is byte))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (byte)value;
return (castVal >= GetMin<byte>() && castVal <= GetMax<byte>());
}
if (value is sbyte)
{
if (!(Min is sbyte))
throw new ArgumentException("the type of value does not match the type of min / max");
var castVal = (sbyte)value;
return (castVal >= GetMin<sbyte>() && castVal <= GetMax<sbyte>());
}
throw new ArgumentException("the type of value is not a numeric type.");
}
#region Range -> UShort
public ushort RemapRangeToUshort(double value)
{
return (ushort)MathUtils.MapRange(GetMin<double>(), GetMax<double>(), ushort.MinValue, ushort.MaxValue, value);
}
public ushort RemapRangeToUshort(float value)
{
return (ushort)MathUtils.MapRange(GetMin<float>(), GetMax<float>(), ushort.MinValue, ushort.MaxValue, value);
}
public ushort RemapRangeToUshort(int value)
{
return (ushort)MathUtils.MapRange(GetMin<int>(), GetMax<int>(), ushort.MinValue, ushort.MaxValue, value);
}
public ushort RemapRangeToUshort(ushort value)
{
return MathUtils.MapRange(GetMin<ushort>(), GetMax<ushort>(), ushort.MinValue, ushort.MaxValue, value);
return (ushort)(ushort.MaxValue * RemapToDouble(value));
}
#endregion
#region UShort -> Range
#region Remap From
public object RemapUshortToRange(ushort value)
/// <summary>
/// Remaps the given double value from its min/max range into the target type min/max range.
/// </summary>
/// <param name="value"></param>
/// <param name="type"></param>
/// <returns></returns>
public static object RemapFromDouble(double value, Type type)
{
if (Min is ushort)
{
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<ushort>(), GetMax<ushort>(), value);
}
if (type == null)
throw new ArgumentNullException("type");
if (Min is short)
{
var castVal = (short)value;
return (short)MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<short>(), GetMax<short>(), castVal);
}
Func<double, object> remap;
if (!s_RemapFromDouble.TryGetValue(type, out remap))
throw new NotSupportedException("Value type is not supported.");
if (Min is uint)
{
var castVal = (uint)value;
return (uint)MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<uint>(), GetMax<uint>(), castVal);
}
return remap(value);
}
if (Min is int)
{
var castVal = (int)value;
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<int>(), GetMax<int>(), castVal);
}
/// <summary>
/// Remaps the given ushort value from its min/max range into the target type min/max range.
/// </summary>
/// <param name="value"></param>
/// <param name="type"></param>
/// <returns></returns>
public static object RemapFromUShort(ushort value, Type type)
{
double intermediate = RemapToDouble(value);
return RemapFromDouble(intermediate, type);
}
if (Min is ulong)
{
var castVal = (ulong)value;
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<ulong>(), GetMax<ulong>(), castVal);
}
#endregion
if (Min is long)
{
var castVal = (long)value;
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<long>(), GetMax<long>(), castVal);
}
#region Remap To Attribute And Clamp
if (Min is float)
{
var castVal = (float)value;
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<float>(), GetMax<float>(), castVal);
}
/// <summary>
/// Remaps the given numeric value from its min/max range into the min/max range of this attribute,
/// clamps, and then remaps the result to double.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public double RemapAndClampToDouble(object value)
{
double intermediate = RemapToDouble(value);
double min = RemapToDouble(Min);
double max = RemapToDouble(Max);
if (Min is double)
{
var castVal = (double)value;
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<double>(), GetMax<double>(), castVal);
}
return MathUtils.Clamp(intermediate, min, max);
}
if (Min is decimal)
{
var castVal = (decimal)value;
return MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<decimal>(), GetMax<decimal>(), castVal);
}
/// <summary>
/// Remaps the given numeric value from its min/max range into the min/max range of this attribute,
/// clamps, and then remaps the result to ushort.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public ushort RemapAndClampToUShort(object value)
{
double intermediate = RemapAndClampToDouble(value);
return RemapToUShort(intermediate);
}
if (Min is byte)
{
var castVal = (byte)value;
return (byte)MathUtils.MapRange(ushort.MinValue, ushort.MaxValue, GetMin<byte>(), GetMax<byte>(), castVal);
}
#endregion
throw new NotSupportedException("Value type of range attribute is not supported.");
#region Remap And Clamp
/// <summary>
/// Remaps the ushort value from its min/max range into the min/max range of this attribute,
/// clamps and returns the result.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public object RemapAndClamp(double value)
{
double min = RemapToDouble(Min);
double max = RemapToDouble(Max);
double clamp = MathUtils.Clamp(value, min, max);
return RemapFromDouble(clamp, m_Min.GetType());
}
/// <summary>
/// Remaps the ushort value from its min/max range into the min/max range of this attribute,
/// clamps and returns the result.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public object RemapAndClamp(ushort value)
{
double intermediate = RemapToDouble(value);
return RemapAndClamp(intermediate);
}
#endregion

View File

@@ -138,42 +138,6 @@ namespace ICD.Common.Utils
return (ushort)MapRange((double)inputStart, inputEnd, outputStart, outputEnd, value);
}
/// <summary>
/// Returns the value after the input range has been mapped to a new range
/// </summary>
/// <param name="inputStart">Input start.</param>
/// <param name="inputEnd">Input end.</param>
/// <param name="outputStart">Output start.</param>
/// <param name="outputEnd">Output end.</param>
/// <param name="value">Value.</param>
/// <returns>The newly mapped value</returns>
public static ulong MapRange(ulong inputStart, ulong inputEnd, ulong outputStart, ulong outputEnd, ulong value)
{
if (inputStart.Equals(inputEnd))
throw new DivideByZeroException();
ulong slope = (outputEnd - outputStart) / (inputEnd - inputStart);
return outputStart + slope * (value - inputStart);
}
/// <summary>
/// Returns the value after the input range has been mapped to a new range
/// </summary>
/// <param name="inputStart">Input start.</param>
/// <param name="inputEnd">Input end.</param>
/// <param name="outputStart">Output start.</param>
/// <param name="outputEnd">Output end.</param>
/// <param name="value">Value.</param>
/// <returns>The newly mapped value</returns>
public static long MapRange(long inputStart, long inputEnd, long outputStart, long outputEnd, long value)
{
if (inputStart.Equals(inputEnd))
throw new DivideByZeroException();
long slope = (outputEnd - outputStart) / (inputEnd - inputStart);
return outputStart + slope * (value - inputStart);
}
/// <summary>
/// Maps the date in the given range to the float range 0.0f to 1.0f.
/// 0.5f - The date is half way between the end points.