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add bitwise operators

This commit is contained in:
ser1zw 2016-05-05 07:30:19 +09:00
parent 9650602eef
commit 7ea42d40d3
2 changed files with 251 additions and 0 deletions

View file

@ -726,6 +726,103 @@ namespace rubyopencv {
return mat2obj(retptr, CLASS_OF(self));
}
VALUE rb_bitwise_operation_internal(int argc, VALUE *argv, VALUE self,
void (*operation_func)(cv::InputArray, cv::InputArray,
cv::OutputArray, cv::InputArray)) {
VALUE value, mask;
rb_scan_args(argc, argv, "11", &value, &mask);
cv::Mat* selfptr = obj2mat(self);
cv::Mat* retptr = NULL;
try {
retptr = new cv::Mat();
if (rb_obj_is_kind_of(value, rb_klass)) {
cv::Mat* m = obj2mat(value);
operation_func(*selfptr, *m, *retptr, (NIL_P(mask) ? cv::noArray() : *obj2mat(mask)));
}
else {
cv::Scalar* s = Scalar::obj2scalar(value);
operation_func(*selfptr, *s, *retptr, (NIL_P(mask) ? cv::noArray() : *obj2mat(mask)));
}
}
catch (cv::Exception& e) {
delete retptr;
Error::raise(e);
}
return mat2obj(retptr, CLASS_OF(self));
}
/*
* Computes bitwise conjunction of the two arrays.
* Calculates the per-element bit-wise conjunction of two arrays or an array and a scalar.
*
* @overload bitwise_and(value, mask = nil)
* @param value [Mat, Scalar] Input array or scalar
* @param mask [Mat] Optional operation mask, 8-bit single channel array,
* that specifies elements of the output array to be changed.
* @return [Mat] Output array
* @opencv_func cv::bitwise_and
*/
VALUE rb_bitwise_and(int argc, VALUE *argv, VALUE self) {
return rb_bitwise_operation_internal(argc, argv, self, &cv::bitwise_and);
}
/*
* Calculates the per-element bit-wise disjunction of two arrays or an array and a scalar.
*
* @overload bitwise_or(value, mask = nil)
* @param value [Mat, Scalar] Input array or scalar
* @param mask [Mat] Optional operation mask, 8-bit single channel array,
* that specifies elements of the output array to be changed.
* @return [Mat] Output array
* @opencv_func cv::bitwise_or
*/
VALUE rb_bitwise_or(int argc, VALUE *argv, VALUE self) {
return rb_bitwise_operation_internal(argc, argv, self, &cv::bitwise_or);
}
/*
* Calculates the per-element bit-wise "exclusive or" operation on two arrays or an array and a scalar.
*
* @overload bitwise_xor(value, mask = nil)
* @param value [Mat, Scalar] Input array or scalar
* @param mask [Mat] Optional operation mask, 8-bit single channel array,
* that specifies elements of the output array to be changed.
* @return [Mat] Output array
* @opencv_func cv::bitwise_xor
*/
VALUE rb_bitwise_xor(int argc, VALUE *argv, VALUE self) {
return rb_bitwise_operation_internal(argc, argv, self, &cv::bitwise_xor);
}
/*
* Inverts every bit of an array.
*
* @overload bitwise_not(mask = nil)
* @param mask [Mat] Optional operation mask, 8-bit single channel array,
* that specifies elements of the output array to be changed.
* @return [Mat] Output array
* @opencv_func cv::bitwise_not
*/
VALUE rb_bitwise_not(int argc, VALUE *argv, VALUE self) {
VALUE mask;
rb_scan_args(argc, argv, "01", &mask);
cv::Mat* selfptr = obj2mat(self);
cv::Mat* retptr = NULL;
try {
retptr = new cv::Mat();
cv::bitwise_not(*selfptr, *retptr, (NIL_P(mask) ? cv::noArray() : *obj2mat(mask)));
}
catch (cv::Exception& e) {
delete retptr;
Error::raise(e);
}
return mat2obj(retptr, CLASS_OF(self));
}
/*
* Extracts a diagonal from a matrix.
*
@ -1032,6 +1129,14 @@ namespace rubyopencv {
rb_define_method(rb_klass, "-", RUBY_METHOD_FUNC(rb_sub), 1);
rb_define_method(rb_klass, "*", RUBY_METHOD_FUNC(rb_mul), 1);
rb_define_method(rb_klass, "/", RUBY_METHOD_FUNC(rb_div), 1);
rb_define_method(rb_klass, "bitwise_and", RUBY_METHOD_FUNC(rb_bitwise_and), -1);
rb_define_alias(rb_klass, "&", "bitwise_and");
rb_define_method(rb_klass, "bitwise_or", RUBY_METHOD_FUNC(rb_bitwise_or), -1);
rb_define_alias(rb_klass, "|", "bitwise_or");
rb_define_method(rb_klass, "bitwise_xor", RUBY_METHOD_FUNC(rb_bitwise_xor), -1);
rb_define_alias(rb_klass, "^", "bitwise_xor");
rb_define_method(rb_klass, "bitwise_not", RUBY_METHOD_FUNC(rb_bitwise_not), -1);
rb_define_alias(rb_klass, "~", "bitwise_not");
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);

View file

@ -308,6 +308,152 @@ class TestMat < OpenCVTestCase
}
end
def test_bitwise_and
m0 = Mat.ones(3, 3, CV_8U) * 3
m1 = Mat.ones(3, 3, CV_8U)
m1[1, 1] = Scalar.new(0)
m2 = m0.bitwise_and(m1)
mask = Mat.ones(3, 3, CV_8U)
mask[2, 2] = Scalar.new(0)
m3 = m0.bitwise_and(m1, mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = m0[r, c][0].to_i & m1[r, c][0].to_i
assert_equal(expected, m2[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? m0[r, c][0].to_i & m1[r, c][0].to_i : 0
assert_equal(expected, m3[r, c][0])
}
}
s = Scalar.new(5)
m4 = m0.bitwise_and(s)
m5 = m0.bitwise_and(s, mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = m0[r, c][0].to_i & s[0].to_i
assert_equal(expected, m4[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? m0[r, c][0].to_i & s[0].to_i : 0
assert_equal(expected, m5[r, c][0])
}
}
assert_raise(TypeError) {
m0.bitwise_and(DUMMY_OBJ)
}
assert_raise(TypeError) {
m0.bitwise_and(m1, DUMMY_OBJ)
}
end
def test_bitwise_or
m0 = Mat.ones(3, 3, CV_8U) * 3
m1 = Mat.ones(3, 3, CV_8U)
m1[1, 1] = Scalar.new(0)
m2 = m0.bitwise_or(m1)
mask = Mat.ones(3, 3, CV_8U)
mask[2, 2] = Scalar.new(0)
m3 = m0.bitwise_or(m1, mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = m0[r, c][0].to_i | m1[r, c][0].to_i
assert_equal(expected, m2[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? (m0[r, c][0].to_i | m1[r, c][0].to_i) : 0
assert_equal(expected, m3[r, c][0])
}
}
s = Scalar.new(5)
m4 = m0.bitwise_or(s)
m5 = m0.bitwise_or(s, mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = m0[r, c][0].to_i | s[0].to_i
assert_equal(expected, m4[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? (m0[r, c][0].to_i | s[0].to_i) : 0
assert_equal(expected, m5[r, c][0])
}
}
assert_raise(TypeError) {
m0.bitwise_or(DUMMY_OBJ)
}
assert_raise(TypeError) {
m0.bitwise_or(m1, DUMMY_OBJ)
}
end
def test_bitwise_xor
m0 = Mat.ones(3, 3, CV_8U) * 3
m1 = Mat.ones(3, 3, CV_8U)
m1[1, 1] = Scalar.new(0)
m2 = m0.bitwise_xor(m1)
mask = Mat.ones(3, 3, CV_8U)
mask[2, 2] = Scalar.new(0)
m3 = m0.bitwise_xor(m1, mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = m0[r, c][0].to_i ^ m1[r, c][0].to_i
assert_equal(expected, m2[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? (m0[r, c][0].to_i ^ m1[r, c][0].to_i) : 0
assert_equal(expected, m3[r, c][0])
}
}
s = Scalar.new(5)
m4 = m0.bitwise_xor(s)
m5 = m0.bitwise_xor(s, mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = m0[r, c][0].to_i ^ s[0].to_i
assert_equal(expected, m4[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? (m0[r, c][0].to_i ^ s[0].to_i) : 0
assert_equal(expected, m5[r, c][0])
}
}
assert_raise(TypeError) {
m0.bitwise_xor(DUMMY_OBJ)
}
assert_raise(TypeError) {
m0.bitwise_xor(m1, DUMMY_OBJ)
}
end
def test_bitwise_not
m0 = Mat.ones(3, 3, CV_8S) * 3
m1 = m0.bitwise_not
mask = Mat.ones(3, 3, CV_8S)
mask[2, 2] = Scalar.new(0)
m2 = m0.bitwise_not(mask)
m0.rows.times { |r|
m0.cols.times { |c|
expected = ~(m0[r, c][0].to_i)
assert_equal(expected, m1[r, c][0])
expected = (mask[r, c][0].to_i > 0) ? ~(m0[r, c][0].to_i) : 0
assert_equal(expected, m2[r, c][0])
}
}
assert_raise(TypeError) {
m0.bitwise_not(DUMMY_OBJ)
}
end
def test_resize
m0 = Mat.ones(200, 300, CV_8U)
s = Size.new(150, 100)