PyObject * PyOCIO_LookTransform_setSrc(PyObject * self, PyObject * args)
{
OCIO_PYTRY_ENTER()
const char* str = 0;
if (!PyArg_ParseTuple(args, "s:setSrc",
&str)) return NULL;
LookTransformRcPtr transform = GetEditableLookTransform(self);
transform->setSrc(str);
Py_RETURN_NONE;
OCIO_PYTRY_EXIT(NULL)
}
void LocalFileFormat::Write(const Baker & baker,
const std::string & formatName,
std::ostream & ostream) const
{
static const int DEFAULT_CUBE_SIZE = 32;
if(formatName != "iridas_cube")
{
std::ostringstream os;
os << "Unknown cube format name, '";
os << formatName << "'.";
throw Exception(os.str().c_str());
}
ConstConfigRcPtr config = baker.getConfig();
int cubeSize = baker.getCubeSize();
if(cubeSize==-1) cubeSize = DEFAULT_CUBE_SIZE;
cubeSize = std::max(2, cubeSize); // smallest cube is 2x2x2
std::vector<float> cubeData;
cubeData.resize(cubeSize*cubeSize*cubeSize*3);
GenerateIdentityLut3D(&cubeData[0], cubeSize, 3, LUT3DORDER_FAST_RED);
PackedImageDesc cubeImg(&cubeData[0], cubeSize*cubeSize*cubeSize, 1, 3);
// Apply our conversion from the input space to the output space.
ConstProcessorRcPtr inputToTarget;
std::string looks = baker.getLooks();
if(!looks.empty())
{
LookTransformRcPtr transform = LookTransform::Create();
transform->setLooks(looks.c_str());
transform->setSrc(baker.getInputSpace());
transform->setDst(baker.getTargetSpace());
inputToTarget = config->getProcessor(transform, TRANSFORM_DIR_FORWARD);
}
else
{
inputToTarget = config->getProcessor(baker.getInputSpace(), baker.getTargetSpace());
}
inputToTarget->apply(cubeImg);
if(baker.getMetadata() != NULL)
{
std::string metadata = baker.getMetadata();
std::vector<std::string> metadatavec;
pystring::split(pystring::strip(metadata), metadatavec, "\n");
if(metadatavec.size() > 0)
{
for(size_t i = 0; i < metadatavec.size(); ++i)
{
ostream << "# " << metadatavec[i] << "\n";
}
ostream << "\n";
}
}
ostream << "LUT_3D_SIZE " << cubeSize << "\n";
if(cubeSize < 2)
{
throw Exception("Internal cube size exception");
}
// Set to a fixed 6 decimal precision
ostream.setf(std::ios::fixed, std::ios::floatfield);
ostream.precision(6);
for(int i=0; i<cubeSize*cubeSize*cubeSize; ++i)
{
ostream << cubeData[3*i+0] << " "
<< cubeData[3*i+1] << " "
<< cubeData[3*i+2] << "\n";
}
}