/// <summary>
/// Initializes a new instance of the <see cref="ClutDefinitionSegment"/> class.
/// </summary>
/// <param name="buffer">
/// The buffer.
/// </param>
/// <param name="index">
/// The index.
/// </param>
/// <param name="segmentLength">
/// The segment length.
/// </param>
public ClutDefinitionSegment(byte[] buffer, int index, int segmentLength)
{
this.Entries = new List<RegionClutSegmentEntry>();
this.ClutId = buffer[index];
this.ClutVersionNumber = buffer[index + 1] >> 4;
int k = index + 2;
while (k + 6 <= index + segmentLength)
{
var rcse = new RegionClutSegmentEntry();
rcse.ClutEntryId = buffer[k];
byte flags = buffer[k + 1];
rcse.ClutEntry2BitClutEntryFlag = (flags & Helper.B10000000) > 0;
rcse.ClutEntry4BitClutEntryFlag = (flags & Helper.B01000000) > 0;
rcse.ClutEntry8BitClutEntryFlag = (flags & Helper.B00100000) > 0;
rcse.FullRangeFlag = (flags & Helper.B00000001) > 0;
if (rcse.FullRangeFlag)
{
rcse.ClutEntryY = buffer[k + 2];
rcse.ClutEntryCr = buffer[k + 3];
rcse.ClutEntryCb = buffer[k + 4];
rcse.ClutEntryT = buffer[k + 5];
k += 6;
}
else
{
rcse.ClutEntryY = buffer[k + 2] >> 2;
rcse.ClutEntryCr = ((buffer[k + 2] & Helper.B00000011) << 2) + buffer[k + 2] >> 6;
rcse.ClutEntryCb = (buffer[k + 3] & Helper.B00111111) >> 2;
rcse.ClutEntryT = buffer[k + 3] & Helper.B00000011;
k += 4;
}
this.Entries.Add(rcse);
}
}
public ClutDefinitionSegment(byte[] buffer, int index, int segmentLength)
{
Entries = new List <RegionClutSegmentEntry>();
ClutId = buffer[index];
ClutVersionNumber = buffer[index + 1] >> 4;
int k = index + 2;
while (k + 6 <= index + segmentLength)
{
var rcse = new RegionClutSegmentEntry();
rcse.ClutEntryId = buffer[k];
byte flags = buffer[k + 1];
rcse.ClutEntry2BitClutEntryFlag = (flags & Helper.B10000000) > 0;
rcse.ClutEntry4BitClutEntryFlag = (flags & Helper.B01000000) > 0;
rcse.ClutEntry8BitClutEntryFlag = (flags & Helper.B00100000) > 0;
rcse.FullRangeFlag = (flags & Helper.B00000001) > 0;
if (rcse.FullRangeFlag)
{
rcse.ClutEntryY = buffer[k + 2];
rcse.ClutEntryCr = buffer[k + 3];
rcse.ClutEntryCb = buffer[k + 4];
rcse.ClutEntryT = buffer[k + 5];
k += 6;
}
else
{
rcse.ClutEntryY = buffer[k + 2] >> 2;
rcse.ClutEntryCr = ((buffer[k + 2] & Helper.B00000011) << 2) + (buffer[k + 2]) >> 6;
rcse.ClutEntryCb = ((buffer[k + 3] & Helper.B00111111) >> 2);
rcse.ClutEntryT = buffer[k + 3] & Helper.B00000011;
k += 4;
}
Entries.Add(rcse);
}
}