internal void ReadLutBToATagDataEntry(byte[] data, IccLutBToATagDataEntry expected)
{
IccDataReader reader = CreateReader(data);
IccLutBToATagDataEntry output = reader.ReadLutBtoATagDataEntry();
Assert.Equal(expected, output);
}
internal void WriteLutBToATagDataEntry(byte[] expected, IccLutBToATagDataEntry data)
{
IccDataWriter writer = CreateWriter();
writer.WriteLutBtoATagDataEntry(data);
byte[] output = writer.GetData();
Assert.Equal(expected, output);
}
/// <summary>
/// Writes a <see cref="IccLutBToATagDataEntry"/>
/// </summary>
/// <param name="value">The entry to write</param>
/// <returns>The number of bytes written</returns>
public int WriteLutBtoATagDataEntry(IccLutBToATagDataEntry value)
{
long start = this.dataStream.Position - 8; // 8 is the tag header size
int count = this.WriteByte((byte)value.InputChannelCount);
count += this.WriteByte((byte)value.OutputChannelCount);
count += this.WriteEmpty(2);
long bCurveOffset = 0;
long matrixOffset = 0;
long mCurveOffset = 0;
long clutOffset = 0;
long aCurveOffset = 0;
// Jump over offset values
long offsetpos = this.dataStream.Position;
this.dataStream.Position += 5 * 4;
if (value.CurveB != null)
{
bCurveOffset = this.dataStream.Position;
count += this.WriteCurves(value.CurveB);
count += this.WritePadding();
}
if (value.Matrix3x1 != null && value.Matrix3x3 != null)
{
matrixOffset = this.dataStream.Position;
count += this.WriteMatrix(value.Matrix3x3.Value, false);
count += this.WriteMatrix(value.Matrix3x1.Value, false);
count += this.WritePadding();
}
if (value.CurveM != null)
{
mCurveOffset = this.dataStream.Position;
count += this.WriteCurves(value.CurveM);
count += this.WritePadding();
}
if (value.ClutValues != null)
{
clutOffset = this.dataStream.Position;
count += this.WriteClut(value.ClutValues);
count += this.WritePadding();
}
if (value.CurveA != null)
{
aCurveOffset = this.dataStream.Position;
count += this.WriteCurves(value.CurveA);
count += this.WritePadding();
}
// Set offset values
long lpos = this.dataStream.Position;
this.dataStream.Position = offsetpos;
if (bCurveOffset != 0)
{
bCurveOffset -= start;
}
if (matrixOffset != 0)
{
matrixOffset -= start;
}
if (mCurveOffset != 0)
{
mCurveOffset -= start;
}
if (clutOffset != 0)
{
clutOffset -= start;
}
if (aCurveOffset != 0)
{
aCurveOffset -= start;
}
count += this.WriteUInt32((uint)bCurveOffset);
count += this.WriteUInt32((uint)matrixOffset);
count += this.WriteUInt32((uint)mCurveOffset);
count += this.WriteUInt32((uint)clutOffset);
count += this.WriteUInt32((uint)aCurveOffset);
this.dataStream.Position = lpos;
return(count);
}
