void Lut1D::finalize() const
{
m_isNoOp = IsLut1DNoOp(*this, maxerror, errortype);
if(m_isNoOp)
{
m_cacheID = "<NULL 1D>";
}
else
{
md5_state_t state;
md5_byte_t digest[16];
md5_init(&state);
md5_append(&state, (const md5_byte_t *)from_min, 3*sizeof(float));
md5_append(&state, (const md5_byte_t *)from_max, 3*sizeof(float));
for(int i=0; i<3; ++i)
{
md5_append( &state, (const md5_byte_t *)&(luts[i][0]),
(int) (luts[i].size()*sizeof(float)) );
}
md5_finish(&state, digest);
m_cacheID = GetPrintableHash(digest);
}
}
std::string Lut3D::getCacheID() const
{
AutoMutex lock(m_cacheidMutex);
if(lut.empty())
throw Exception("Cannot compute cacheID of invalid Lut3D");
if(!m_cacheID.empty())
return m_cacheID;
md5_state_t state;
md5_byte_t digest[16];
md5_init(&state);
md5_append(&state, (const md5_byte_t *)from_min, (int)(3*sizeof(float)));
md5_append(&state, (const md5_byte_t *)from_max, (int)(3*sizeof(float)));
md5_append(&state, (const md5_byte_t *)size, (int)(3*sizeof(int)));
md5_append(&state, (const md5_byte_t *)&lut[0], (int)(lut.size()*sizeof(float)));
md5_finish(&state, digest);
m_cacheID = GetPrintableHash(digest);
return m_cacheID;
}
void MatrixOpData::finalize()
{
AutoMutex lock(m_mutex);
std::ostringstream cacheIDStream;
cacheIDStream << getID();
md5_state_t state;
md5_byte_t digest[16];
// TODO: array and offset do not require double precison in cache.
md5_init(&state);
md5_append(&state,
(const md5_byte_t *)&(getArray().getValues()[0]),
(int)(16 * sizeof(double)));
md5_append(&state,
(const md5_byte_t *)getOffsets().getValues(),
(int)(4 * sizeof(double)));
md5_finish(&state, digest);
cacheIDStream << GetPrintableHash(digest);
m_cacheID = cacheIDStream.str();
}
