Handle<Value> Geometry::New(const Arguments& args)
{
HandleScope scope;
Geometry *f;
if (!args.IsConstructCall()) {
return NODE_THROW("Cannot call constructor as function, you need to use 'new' keyword");
}
if (args[0]->IsExternal()) {
Local<External> ext = Local<External>::Cast(args[0]);
void* ptr = ext->Value();
f = static_cast<Geometry *>(ptr);
} else {
return NODE_THROW("Geometry doesnt have a constructor, use Geometry.createFromWkt(), Geometry.create() or type-specific constructor. ie. new ogr.Point()");
OGRwkbGeometryType geometry_type;
NODE_ARG_ENUM(0, "geometry type", OGRwkbGeometryType, geometry_type);
OGRGeometry *geom = OGRGeometryFactory::createGeometry(geometry_type);
f = new Geometry(geom);
}
f->Wrap(args.This());
return args.This();
}
Handle<Value> Dataset::addBand(const Arguments& args)
{
HandleScope scope;
Dataset *ds = ObjectWrap::Unwrap<Dataset>(args.This());
if(!ds->this_) return NODE_THROW("Dataset object has already been destroyed");
GDALDataType type;
Handle<Array> band_options = Array::New(0);
char **options = NULL;
NODE_ARG_ENUM(0, "data type", GDALDataType, type);
NODE_ARG_ARRAY_OPT(1, "band creation options", band_options);
if (band_options->Length() > 0) {
options = new char* [band_options->Length()];
for (unsigned int i = 0; i < band_options->Length(); ++i) {
options[i] = TOSTR(band_options->Get(i));
}
}
CPLErr err = ds->this_->AddBand(type, options);
if (options) {
delete [] options;
}
if(err) return NODE_THROW_CPLERR(err);
return scope.Close(RasterBand::New(ds->this_->GetRasterBand(ds->this_->GetRasterCount())));
}
Handle<Value> Geometry::create(const Arguments &args)
{
HandleScope scope;
OGRwkbGeometryType type = wkbUnknown;
NODE_ARG_ENUM(0, "type", OGRwkbGeometryType, type);
return scope.Close(Geometry::New(OGRGeometryFactory::createGeometry(type), true));
}
