OpenCV bindings for D

[wobbles via Digitalmars-d]

On Monday, 21 March 2016 at 16:01:59 UTC, Guillaume Piolat wrote:
> On Monday, 21 March 2016 at 15:45:36 UTC, wobbles wrote:
>> Hi Folks,
>>
>> I have a project in mind that I'd like to run on my new 
>> Raspberry Pi 3.
>> Essentially a security camera that will only record when it 
>> detects changes between frames.
>> Now, this is already a solved problem I believe, however in 
>> the interest of learning I want to do it myself.
>>
>> Ideally, I'd compare two images using the OpenCV library, and 
>> ideally I'd do that from D code.
>>
>> However, there exists no OpenCV binding for D that I can find. 
>> Is there a technical reason for this?
>>
>> I understand the OpenCV C api is quite old and dated, and it's 
>> recommended to use the C++ one as a result.
>> On that, where is C++ / D linkage at?
>>
>> I know very little about linking the two, but it's something 
>> I'd like to learn more about and see this as an opportunity 
>> for that - before I sink a load of time into it, however, it'd 
>> be good to know if it's even feasibly possible to do so.
>>
>> Thanks!
>
> It's quite easy to write bindings for libraries that have a C 
> interface (ie most), if only a bit boring.

That's the thing, it doesn't have a C interface (or more 
correctly, it's modern versions don't have a C interface as it 
has been deprecated since I think version 2.4. OpenCV is at 3.4 
now).

I was wondering if there was any difficulties interfacing D to 
the C++ API?