/// <summary>
/// Creates a new color range from memory.
/// </summary>
/// <param name="buffer">A <see cref="byte"/> array that contains the <see cref="ColorRange"/> data.</param>
public ColorRange(byte[] buffer)
{
if (buffer.Length != SIZE)
{
throw new ArgumentOutOfRangeException($"The buffer must be contains a {SIZE} array length.");
}
using (var stream = new BinaryReader(new MemoryStream(buffer)))
{
this.colors = (RangeColors)stream.ReadByte();
this.type = (RangeTypes)stream.ReadByte();
this.isFixed = stream.ReadBoolean();
this.blackColor = stream.ReadByte();
this._rangeColors = stream.ReadBytes(LENGTH);
}
}
/// <summary>
/// Creates a new <see cref="ColorRange"/> instance with default values.
/// </summary>
/// <param name="startColorIndex">The start color index to setup the range.</param>
/// <remarks>By default, when initialize the 16 ranges in a <see cref="PAL"/>,
/// the idea is create a ramp values from 0 to 255 values and repeat until completes all 16 ranges.
/// This process is automatically setup in <see cref="ColorRangeTable"/> default constructor.</remarks>
public ColorRange(ref byte startColorIndex)
{
this.colors = DEFAULT_RANGE_COLORS;
this.type = DEFAULT_TYPE;
this.isFixed = DEFAULT_FIXED_STATE;
this.blackColor = DEFAULT_BLACK_COLOR;
this._rangeColors = new byte[LENGTH];
byte range = startColorIndex;
for (int i = 0; i < LENGTH; i++)
{
this._rangeColors[i] = range;
if (++range > byte.MaxValue)
{
range = 0;
}
}
startColorIndex = range;
}
