/// <summary>
/// Initializes a new instance of the <see cref="JpegColorConverter"/> class.
/// </summary>
protected JpegColorConverter(JpegColorSpace colorSpace, int precision)
{
this.ColorSpace = colorSpace;
this.Precision = precision;
this.MaximumValue = MathF.Pow(2, precision) - 1;
this.HalfValue = MathF.Ceiling(this.MaximumValue / 2);
}
/// <summary>
/// Returns the <see cref="JpegColorConverter"/> corresponding to the given <see cref="JpegColorSpace"/>
/// </summary>
public static JpegColorConverter GetConverter(JpegColorSpace colorSpace)
{
JpegColorConverter converter = Converters.FirstOrDefault(c => c.ColorSpace == colorSpace);
if (converter == null)
{
throw new Exception($"Could not find any converter for JpegColorSpace {colorSpace}!");
}
return(converter);
}
/// <summary>
/// Returns the <see cref="JpegColorConverter"/> corresponding to the given <see cref="JpegColorSpace"/>
/// </summary>
public static JpegColorConverter GetConverter(JpegColorSpace colorSpace, int precision)
{
JpegColorConverter converter = Array.Find(Converters, c => c.ColorSpace == colorSpace &&
c.Precision == precision);
if (converter is null)
{
throw new Exception($"Could not find any converter for JpegColorSpace {colorSpace}!");
}
return(converter);
}
private static void ValidateConversion(
JpegColorSpace colorSpace,
int componentCount,
int inputBufferLength,
int resultBufferLength,
int seed)
{
ValidateConversion(
JpegColorConverter.GetConverter(colorSpace, 8),
componentCount,
inputBufferLength,
resultBufferLength,
seed);
}
private static void ValidateConversion(
JpegColorSpace colorSpace,
int componentCount,
int inputBufferLength,
int resultBufferLength,
int seed,
Action <JpegColorConverter.ComponentValues, Span <Vector4>, int> validatePixelValue)
{
ValidateConversion(
JpegColorConverter.GetConverter(colorSpace),
componentCount,
inputBufferLength,
resultBufferLength,
seed,
validatePixelValue);
}
/// <summary>
/// Initializes a new instance of the <see cref="JpegColorConverter"/> class.
/// </summary>
protected JpegColorConverter(JpegColorSpace colorSpace)
{
this.ColorSpace = colorSpace;
}
protected JpegColorConverterScalar(JpegColorSpace colorSpace, int precision)
: base(colorSpace, precision)
{
}
protected Vector8JpegColorConverter(JpegColorSpace colorSpace, int precision)
: base(colorSpace, precision, 8)
{
}
protected VectorizedJpegColorConverter(JpegColorSpace colorSpace, int precision, int vectorSize)
: base(colorSpace, precision)
{
this.vectorSize = vectorSize;
}
private static void Validate(
JpegColorSpace colorSpace,
in JpegColorConverter.ComponentValues values,
protected BasicJpegColorConverter(JpegColorSpace colorSpace, int precision)
: base(colorSpace, precision)
{
}
