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MRI-Binding: Bind #initialize_copy for clonable classes

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This replaces the previously directly bound #clone
methods, which weren't really the "the Ruby way".
Rubys default Object#clone will call into our #init_copy
methods instead.

Partly incorporates pull request #3 by /cremno.
This commit is contained in:
Jonas Kulla 2013-10-31 10:13:24 +01:00
parent 7549778dc6
commit b7a2ba830c
4 changed files with 37 additions and 28 deletions
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22
binding-mri/font-binding.cpp
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@ -54,6 +54,25 @@ RB_METHOD(fontInitialize)
return self;
}
RB_METHOD(fontInitializeCopy)
{
VALUE orig;
rb_get_args(argc, argv, "o", &orig, RB_ARG_END);
if (!OBJ_INIT_COPY(self, orig))
return self;
Font *f = getPrivateData<Font>(orig);
Font *dup = new Font(*f);
setPrivateData(self, dup);
/* Wrap property objects */
f->setColor(new Color(*f->getColor()));
wrapProperty(self, f->getColor(), "color", ColorType);
return self;
}
RB_METHOD(FontGetName)
{
RB_UNUSED_PARAM;
@ -164,7 +183,8 @@ fontBindingInit()
rb_define_class_method(klass, "exist?", fontDoesExist);
_rb_define_method(klass, "initialize", fontInitialize);
_rb_define_method(klass, "initialize", fontInitialize);
_rb_define_method(klass, "initialize_copy", fontInitializeCopy);
INIT_PROP_BIND(Font, Name, "name");
INIT_PROP_BIND(Font, Size, "size");