load method
Load cascade classifier from a file.
For further details, please see: http://docs.opencv.org/master/d1/de5/classcv_1_1CascadeClassifier.html#a1a5884c8cc749422f9eb77c2471958bc
Implementation
bool load(String name) {
final cname = name.toNativeUtf8().cast<ffi.Char>();
final p = calloc<ffi.Int>();
cvRun(() => cffi.CascadeClassifier_Load(ref, cname, p));
calloc.free(cname);
return p.value != 0;
}