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added CvMat#copy_make_border

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This commit is contained in:
ser1zw 2011-07-08 21:46:38 +09:00
parent 7add8ec805
commit 53fd238569
5 changed files with 76 additions and 0 deletions
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40
ext/opencv/cvmat.cpp
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@ -330,6 +330,7 @@ void define_ruby_class()
rb_define_method(rb_klass, "morphology", RUBY_METHOD_FUNC(rb_morphology), -1);
rb_define_method(rb_klass, "smooth", RUBY_METHOD_FUNC(rb_smooth), -1);
rb_define_method(rb_klass, "copy_make_border", RUBY_METHOD_FUNC(rb_copy_make_border), -1);
rb_define_method(rb_klass, "filter2d", RUBY_METHOD_FUNC(rb_filter2d), -1);
rb_define_method(rb_klass, "integral", RUBY_METHOD_FUNC(rb_integral), -1);
rb_define_method(rb_klass, "threshold", RUBY_METHOD_FUNC(rb_threshold), -1);
@ -3723,6 +3724,45 @@ rb_filter2d(int argc, VALUE *argv, VALUE self)
return _dest;
}
/*
* call-seq:
* copy_make_border(<i>border_type, size, offset[,value = CvScalar.new(0)]</i>)
*
* Copies image and makes border around it.
* <i>border_type</i>:
* - IPL_BORDER_CONSTANT, :constant
* border is filled with the fixed value, passed as last parameter of the function.
* - IPL_BORDER_REPLICATE, :replicate
* the pixels from the top and bottom rows, the left-most and right-most columns are replicated to fill the border
* <i>size</i>: The destination image size
* <i>offset</i>: Coordinates of the top-left corner (or bottom-left in the case of images with bottom-left origin) of the destination image rectangle.
* <i>value</i>: Value of the border pixels if bordertype is IPL_BORDER_CONSTANT or :constant.
*/
VALUE
rb_copy_make_border(int argc, VALUE *argv, VALUE self)
{
VALUE border_type, size, offset, value, dest;
rb_scan_args(argc, argv, "31", &border_type, &size, &offset, &value);
dest = new_mat_kind_object(VALUE_TO_CVSIZE(size), self);
int type = 0;
if (SYMBOL_P(border_type)) {
ID type_id = rb_to_id(border_type);
if (type_id == rb_intern("constant"))
type = IPL_BORDER_CONSTANT;
else if (type_id == rb_intern("replicate"))
type = IPL_BORDER_REPLICATE;
else
rb_raise(rb_eArgError, "Invalid border_type (should be :constant or :replicate)");
}
else
type = NUM2INT(border_type);
cvCopyMakeBorder(CVARR(self), CVARR(dest), VALUE_TO_CVPOINT(offset), type,
NIL_P(value) ? cvScalar(0) : VALUE_TO_CVSCALAR(value));
return dest;
}
/*
* call-seq:
* integral(<i>need_sqsum = false, need_tilted_sum = false</i>) -> [cvmat, cvmat or nil, cvmat or nil]