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add cv::setIdentity

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This commit is contained in:
ser1zw 2016-04-30 16:49:12 +09:00
parent cee1b67433
commit 7b34f21e4f
2 changed files with 37 additions and 0 deletions
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24
ext/opencv/mat.cpp
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@ -933,6 +933,29 @@ namespace rubyopencv {
return mat2obj(dstptr, CLASS_OF(self));
}
/*
* Initializes a scaled identity matrix.
*
* @overload set_identity(s = Scalar.new(1))
* @param s [Scalar] Value to assign to diagonal elements.
* @return [Mat] +self+
* @opencv_func cv::setIdentity
*/
VALUE rb_set_identity(int argc, VALUE *argv, VALUE self) {
VALUE s = Qnil;
rb_scan_args(argc, argv, "01", &s);
cv::Mat* selfptr = obj2mat(self);
cv::Scalar s_value = NIL_P(s) ? cv::Scalar(1) : *(Scalar::obj2scalar(s));
try {
cv::setIdentity(*selfptr, s_value);
}
catch (cv::Exception& e) {
Error::raise(e);
}
return self;
}
void init() {
VALUE opencv = rb_define_module("Cv");
@ -993,6 +1016,7 @@ namespace rubyopencv {
rb_define_method(rb_klass, "convert_scale_abs", RUBY_METHOD_FUNC(rb_convert_scale_abs), -1);
rb_define_method(rb_klass, "convert_to", RUBY_METHOD_FUNC(rb_convert_to), -1);
rb_define_method(rb_klass, "set_identity", RUBY_METHOD_FUNC(rb_set_identity), -1);
}
}
}