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add CvChain#approx_chains

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This commit is contained in:
ser1zw 2012-05-01 05:19:58 +09:00
parent c28379c393
commit 720c7c9448
3 changed files with 65 additions and 17 deletions
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29
ext/opencv/cvchain.cpp
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@ -20,7 +20,7 @@ __NAMESPACE_BEGIN_CVCHAIN
#define APPROX_CHAIN_OPTION(op) rb_get_option_table(rb_klass, "APPROX_CHAIN_OPTION", op)
#define APPROX_CHAIN_METHOD(op) CVMETHOD("APPROX_CHAIN_METHOD", LOOKUP_CVMETHOD(op, "method"), CV_CHAIN_APPROX_SIMPLE)
#define APPROX_CHAIN_PARAMETER(op) NUM2INT(LOOKUP_CVMETHOD(op, "parameter"))
#define APPROX_CHAIN_MINIMAL_PARAMETER(op) NUM2INT(LOOKUP_CVMETHOD(op, "minimal_parameter"))
#define APPROX_CHAIN_MINIMAL_PERIMETER(op) NUM2INT(LOOKUP_CVMETHOD(op, "minimal_perimeter"))
#define APPROX_CHAIN_RECURSIVE(op) TRUE_OR_FALSE(LOOKUP_CVMETHOD(op, "recursive"))
VALUE rb_klass;
@ -52,7 +52,7 @@ define_ruby_class()
rb_define_const(rb_klass, "APPROX_CHAIN_OPTION", approx_chain_option);
rb_hash_aset(approx_chain_option, ID2SYM(rb_intern("method")), ID2SYM(rb_intern("approx_simple")));
rb_hash_aset(approx_chain_option, ID2SYM(rb_intern("parameter")), rb_float_new(0));
rb_hash_aset(approx_chain_option, ID2SYM(rb_intern("minimal_parameter")), INT2FIX(0));
rb_hash_aset(approx_chain_option, ID2SYM(rb_intern("minimal_perimeter")), INT2FIX(0));
rb_hash_aset(approx_chain_option, ID2SYM(rb_intern("recursive")), Qfalse);
rb_define_private_method(rb_klass, "initialize", RUBY_METHOD_FUNC(rb_initialize), -1);
@ -60,8 +60,8 @@ define_ruby_class()
rb_define_method(rb_klass, "origin=", RUBY_METHOD_FUNC(rb_set_origin), 1);
rb_define_method(rb_klass, "codes", RUBY_METHOD_FUNC(rb_codes), 0);
rb_define_method(rb_klass, "points", RUBY_METHOD_FUNC(rb_points), 0);
rb_define_method(rb_klass, "approx_chain", RUBY_METHOD_FUNC(rb_approx_chain), -1);
rb_define_alias(rb_klass, "approx", "approx_chain");
rb_define_method(rb_klass, "approx_chains", RUBY_METHOD_FUNC(rb_approx_chains), -1);
rb_define_alias(rb_klass, "approx", "approx_chains");
}
VALUE
@ -172,7 +172,7 @@ rb_points(VALUE self)
/*
* call-seq:
* approx_chain(<i>[approx_chain_option]</i>) -> cvcontour
* approx_chains(<i>[approx_chain_option]</i>) -> cvcontour
*
* Approximates Freeman chain(s) with polygonal curve.
* <i>approx_chain_option</i> should be Hash include these keys.
@ -193,21 +193,22 @@ rb_points(VALUE self)
*
*/
VALUE
rb_approx_chain(int argc, VALUE *argv, VALUE self)
rb_approx_chains(int argc, VALUE *argv, VALUE self)
{
VALUE approx_chain_option, storage;
VALUE approx_chain_option;
rb_scan_args(argc, argv, "01", &approx_chain_option);
approx_chain_option = APPROX_CHAIN_OPTION(approx_chain_option);
/* can't compile VC
storage = cCvMemStorage::new_object();
VALUE storage = cCvMemStorage::new_object();
CvSeq *seq = cvApproxChains(CVSEQ(self), CVMEMSTORAGE(storage),
APPROX_CHAIN_METHOD(approx_chain_option),
APPROX_CHAIN_PARAMETER(approx_chain_option),
APPROX_CHAIN_MINIMAL_PARAMETER(approx_chain_option),
APPROX_CHAIN_PARAMETER(approx_chain_option),
APPROX_CHAIN_MINIMAL_PERIMETER(approx_chain_option),
APPROX_CHAIN_RECURSIVE(approx_chain_option));
return cCvSeq::new_sequence(cCvContour::rb_class(), seq, cCvPoint::rb_class(), storage);
*/
if (seq && seq->total > 0) {
return cCvSeq::new_sequence(cCvChain::rb_class(), seq, cCvPoint::rb_class(), storage);
}
return Qnil;
}