/// <summary>
/// Reads a <see cref="IccLut8TagDataEntry"/>
/// </summary>
/// <returns>The read entry</returns>
public IccLut8TagDataEntry ReadLut8TagDataEntry()
{
byte inChCount = this.data[this.AddIndex(1)];
byte outChCount = this.data[this.AddIndex(1)];
byte clutPointCount = this.data[this.AddIndex(1)];
this.AddIndex(1); // 1 byte reserved
float[,] matrix = this.ReadMatrix(3, 3, false);
// Input LUT
var inValues = new IccLut[inChCount];
byte[] gridPointCount = new byte[inChCount];
for (int i = 0; i < inChCount; i++)
{
inValues[i] = this.ReadLut8();
gridPointCount[i] = clutPointCount;
}
// CLUT
IccClut clut = this.ReadClut8(inChCount, outChCount, gridPointCount);
// Output LUT
var outValues = new IccLut[outChCount];
for (int i = 0; i < outChCount; i++)
{
outValues[i] = this.ReadLut8();
}
return(new IccLut8TagDataEntry(matrix, inValues, clut, outValues));
}
/// <summary>
/// Writes an 16bit lookup table
/// </summary>
/// <param name="value">The LUT to write</param>
/// <returns>The number of bytes written</returns>
public int WriteLut16(IccLut value)
{
foreach (float item in value.Values)
{
this.WriteUInt16((ushort)Numeric.Clamp((item * ushort.MaxValue) + 0.5F, 0, ushort.MaxValue));
}
return(value.Values.Length * 2);
}
/// <summary>
/// Writes an 8bit lookup table
/// </summary>
/// <param name="value">The LUT to write</param>
/// <returns>The number of bytes written</returns>
public int WriteLut8(IccLut value)
{
foreach (float item in value.Values)
{
this.WriteByte((byte)Numeric.Clamp((item * byte.MaxValue) + 0.5F, 0, byte.MaxValue));
}
return(value.Values.Length);
}