Templated class as a parameter to bound function
Roman Kubiak <[email protected]> Wed, 17 Oct 2012 20:00:26 +0200
| Newsgroups | gmane.comp.lang.lua.bind.user |
|---|---|
| Message-ID | <CACugK=b6dn8bwY4tzKYkQj_wQRaphZwSmksDa_Mhn+6m991B_g@mail.gmail.com> |
I have a class Rectangle that has two templated types <int> and <float>, i
bind that class with each of those types
class_<Rectangle<float>>("Rectangle")
and
class_<Rectangle<int>>("Rectangle")
Now i have a Graphics class that has a method called drawRect that takes a
Rectangle class as a parameter:
class_<Graphics>("Graphics")
.def("drawRect", (void (Graphics::*)(const Rectangle<int> &, int)
const)&Graphics::drawRect)
I'm able to compile this code and run it, i can create an instance of
Rectangle and Graphics works too, however
i can't pass my create Rectangle to Graphics
When i call this function in lua, with g beeing an instance of Graphics:
drawPanel = function(g)
r = Rectangle(0,0,32,32)
g:drawRect (r,2)
end
i get:
>> Callback error: drawPanel lua runtime error
At line [-1]:
[C]
What:
C
Namewhat:
method
Name:
drawRect
Error message:
No matching overload found, candidates:
void drawRect(Graphics const&,Rectangle const&,int)
void drawRect(Graphics const&,custom [float],custom [float],custom
[float],custom [float],custom [float])
void drawRect(Graphics const&,int,int,int,int,int). Method disabled
What is wrong in here, i now i can't do any type casting in LUA but maybe i
can bind the Graphics class differently or maybe the Rectangle class needs
to be bound in some other way ?
Roman Kubiak
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