public LJPEGPlain(TiffBinaryReader file, RawImage <ushort> img, bool DNGCompatible, bool UseBigTable) : base(file, img, DNGCompatible, UseBigTable)
{
CanonFlipDim = false;
CanonDoubleHeight = false;
huff = new HuffmanTable[4] {
new HuffmanTable(UseBigTable, DNGCompatible),
new HuffmanTable(UseBigTable, DNGCompatible),
new HuffmanTable(UseBigTable, DNGCompatible),
new HuffmanTable(UseBigTable, DNGCompatible)
};
}
/***************** OpcodeMapTable ****************/
public OpcodeMapTable(TiffBinaryReader parameters, ulong param_max_bytes, ref Int32 bytes_used, uint offset)
{
if (param_max_bytes < 36)
{
throw new RawDecoderException("Not enough data to read parameters, only " + param_max_bytes + " bytes left.");
}
uint h1 = parameters.ReadUInt32();
uint w1 = parameters.ReadUInt32();
uint h2 = parameters.ReadUInt32();
uint w2 = parameters.ReadUInt32();
aoi.SetAbsolute(w1, h1, w2, h2);
firstPlane = parameters.ReadUInt32();
planes = parameters.ReadUInt32();
rowPitch = parameters.ReadUInt32();
colPitch = parameters.ReadUInt32();
if (planes == 0)
{
throw new RawDecoderException("Zero planes");
}
if (rowPitch == 0 || colPitch == 0)
{
throw new RawDecoderException("Invalid Pitch");
}
int tablesize = (int)parameters.ReadUInt32();
bytes_used = 36;
if (tablesize <= 0)
{
throw new RawDecoderException("Table size must be positive");
}
if (tablesize > 65536)
{
throw new RawDecoderException("A map with more than 65536 entries not allowed");
}
if (param_max_bytes < 36 + ((UInt64)tablesize * 2))
{
throw new RawDecoderException("Not enough data to read parameters, only " + param_max_bytes + " bytes left.");
}
for (int i = 0; i <= 65535; i++)
{
int location = Math.Min(tablesize - 1, i);
parameters.BaseStream.Position = 36 + 2 * location + offset;
Lookup[i] = parameters.ReadUInt16();
}
bytes_used += tablesize * 2;
flags = (int)Flags.MultiThreaded | (int)Flags.PureLookup;
}
/***************** OpcodeTrimBounds ****************/
public OpcodeTrimBounds(TiffBinaryReader parameters, UInt32 param_max_bytes, ref Int32 bytes_used)
{
if (param_max_bytes < 16)
{
throw new RawDecoderException("Not enough data to read parameters, only " + param_max_bytes + " bytes left.");
}
mTop = parameters.ReadUInt16();
mLeft = parameters.ReadUInt16();
mBottom = parameters.ReadUInt16();
mRight = parameters.ReadUInt16();
bytes_used = 16;
}
public OpcodeMapPolynomial(TiffBinaryReader parameters, UInt32 param_max_bytes, ref int bytes_used, uint offset)
{
if (param_max_bytes < 36)
{
throw new RawDecoderException("Not enough data to read parameters, only " + param_max_bytes + " bytes left.");
}
uint h1 = parameters.ReadUInt32();
uint w1 = parameters.ReadUInt32();
uint h2 = parameters.ReadUInt32();
uint w2 = parameters.ReadUInt32();
aoi.SetAbsolute(w1, h1, w2, h2);
mFirstPlane = parameters.ReadUInt32();
mPlanes = parameters.ReadUInt32();
mRowPitch = parameters.ReadUInt32();
mColPitch = parameters.ReadUInt32();
if (mPlanes == 0)
{
throw new RawDecoderException("Zero planes");
}
if (mRowPitch == 0 || mColPitch == 0)
{
throw new RawDecoderException("Invalid Pitch");
}
mDegree = parameters.ReadUInt32();
bytes_used = 36;
if (mDegree > 8)
{
throw new RawDecoderException("A polynomial with more than 8 degrees not allowed");
}
if (param_max_bytes < 36 + (mDegree * 8))
{
throw new RawDecoderException("Not enough data to read parameters, only " + param_max_bytes + " bytes left.");
}
for (UInt64 i = 0; i <= mDegree; i++)
{
parameters.BaseStream.Position = (long)(36 + 8 * i) + offset;
mCoefficient[i] = Convert.ToDouble(parameters.ReadBytes(8));
}
bytes_used += (int)(8 * mDegree + 8);
flags = (int)Flags.MultiThreaded | (int)Flags.PureLookup;
}
