kotovalexarian-likes-github/ruby-opencv
1
0
Fork 0
mirror of https://github.com/ruby-opencv/ruby-opencv synced 2023-03-27 23:22:12 -04:00
Code Releases Activity

add Mat#cross

Browse source
This commit is contained in:
ser1zw 2016-04-10 03:53:32 +09:00
parent e40051c2b5
commit c21f32d356
2 changed files with 47 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

27
ext/opencv/mat.cpp
View file

@ -772,6 +772,32 @@ namespace rubyopencv {
return ret;
}
/*
* Computes a cross-product of two 3-element vectors.
*
* @overload cross(value)
* @param value [Mat] Another cross-product operand.
* @return [Mat] Cross product
* @opencv_func cv::Mat::cross
*/
VALUE rb_cross(VALUE self, VALUE other) {
cv::Mat* selfptr = obj2mat(self);
cv::Mat* retptr = NULL;
try {
retptr = new cv::Mat();
cv::Mat* mat = obj2mat(other);
cv::Mat tmp = selfptr->cross(*mat);
tmp.copyTo(*retptr);
}
catch (cv::Exception& e) {
delete retptr;
Error::raise(e);
}
return mat2obj(retptr, CLASS_OF(self));
}
/*
* Sets all or some of the array elements to the specified value.
*
@ -916,6 +942,7 @@ namespace rubyopencv {
rb_define_method(rb_klass, "/", RUBY_METHOD_FUNC(rb_div), 1);
rb_define_method(rb_klass, "diag", RUBY_METHOD_FUNC(rb_diag), -1);
rb_define_method(rb_klass, "dot", RUBY_METHOD_FUNC(rb_dot), 1);
rb_define_method(rb_klass, "cross", RUBY_METHOD_FUNC(rb_cross), 1);
rb_define_method(rb_klass, "clone", RUBY_METHOD_FUNC(rb_clone), 0);

20
test/test_mat.rb
View file

@ -369,6 +369,26 @@ class TestMat < OpenCVTestCase
}
end
def test_cross
m0 = Mat.new(3, 1, CV_32F)
m0[0, 0] = Scalar.new(1)
m0[1, 0] = Scalar.new(2)
m0[2, 0] = Scalar.new(0)
m1 = Mat.new(3, 1, CV_32F)
m1[0, 0] = Scalar.new(0)
m1[1, 0] = Scalar.new(1)
m1[2, 0] = Scalar.new(-1)
m = m0.cross(m1)
elems = m.to_s.scan(/(\[[^\]]+\])/m).flatten[0]
assert_equal("[-2;\n 1;\n 1]", elems)
assert_raise(TypeError) {
m0.cross(DUMMY_OBJ)
}
end
def test_cvt_color
m = Mat.new(1, 1, CV_32FC3)
m[0, 0] = Scalar.new(1.0, 2.0, 3.0)