/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="configuration">The configuration which allows altering default behaviour or extending the library.</param>
/// <param name="quantizer">The Wu quantizer.</param>
/// <param name="maxColors">The maximum number of colors to hold in the color palette.</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(Configuration configuration, WuQuantizer quantizer, int maxColors)
: base(configuration, quantizer, false)
{
this.memoryAllocator = this.Configuration.MemoryAllocator;
this.moments = this.memoryAllocator.Allocate <Moment>(TableLength, AllocationOptions.Clean);
this.tag = this.memoryAllocator.Allocate <byte>(TableLength, AllocationOptions.Clean);
this.colors = maxColors;
}
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="memoryAllocator">The <see cref="MemoryAllocator"/>.</param>
/// <param name="quantizer">The wu quantizer.</param>
/// <param name="maxColors">The maximum number of colors to hold in the color palette.</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(MemoryAllocator memoryAllocator, WuQuantizer quantizer, int maxColors)
: base(quantizer, false)
{
Guard.NotNull(memoryAllocator, nameof(memoryAllocator));
this.vwt = memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vmr = memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vmg = memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vmb = memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vma = memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.m2 = memoryAllocator.Allocate <double>(TableLength, AllocationOptions.Clean);
this.tag = memoryAllocator.Allocate <byte>(TableLength, AllocationOptions.Clean);
this.colors = maxColors;
}
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="configuration">The configuration which allows altering default behaviour or extending the library.</param>
/// <param name="quantizer">The Wu quantizer.</param>
/// <param name="maxColors">The maximum number of colors to hold in the color palette.</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(Configuration configuration, WuQuantizer quantizer, int maxColors)
: base(configuration, quantizer, false)
{
this.memoryAllocator = this.Configuration.MemoryAllocator;
this.vwt = this.memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vmr = this.memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vmg = this.memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vmb = this.memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.vma = this.memoryAllocator.Allocate <long>(TableLength, AllocationOptions.Clean);
this.m2 = this.memoryAllocator.Allocate <double>(TableLength, AllocationOptions.Clean);
this.tag = this.memoryAllocator.Allocate <byte>(TableLength, AllocationOptions.Clean);
this.colors = maxColors;
}
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="memoryAllocator">The <see cref="MemoryAllocator"/>.</param>
/// <param name="quantizer">The wu quantizer</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(MemoryAllocator memoryAllocator, WuQuantizer quantizer)
: this(memoryAllocator, quantizer, quantizer.MaxColors)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="quantizer">The wu quantizer</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(WuQuantizer quantizer)
: base(quantizer, false)
{
this.colors = quantizer.MaxColors;
}
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="quantizer">The wu quantizer.</param>
/// <param name="maxColors">The maximum number of colors to hold in the color palette.</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(WuQuantizer quantizer, int maxColors)
: base(quantizer, false) => this.colors = maxColors;
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="quantizer">The wu quantizer</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(WuQuantizer quantizer)
: this(quantizer, quantizer.MaxColors)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="WuFrameQuantizer{TPixel}"/> class.
/// </summary>
/// <param name="configuration">The configuration which allows altering default behaviour or extending the library.</param>
/// <param name="quantizer">The Wu quantizer</param>
/// <remarks>
/// The Wu quantizer is a two pass algorithm. The initial pass sets up the 3-D color histogram,
/// the second pass quantizes a color based on the position in the histogram.
/// </remarks>
public WuFrameQuantizer(Configuration configuration, WuQuantizer quantizer)
: this(configuration, quantizer, quantizer.MaxColors)
{
}