I'm contracting for a company that has an unusual word processor they have 
been selling for 23 years.  The editor must paginate pixel by pixel to an 
exact industry standard (yes that is a bit weird).  

They have hired two different contracting firms to implement their app on 
all browsers and both firms failed and gave up.  They got the idea it was 
impossible.  I told them I could do anything (of course) and they hired me. 
 I took their 23-year-old windows C app (30,000 lines) and ported it using 
emscripten.  I emulated some windows features like the mem mgr but most 
importantly I converted their GDI calls to canvas calls and output the text 
on a canvas.

They think I'm a genius now thanks to emscripten.  So I am just posting 
this to thank everyone on the team and people on this forum.

I'm curious, does anyone know of another project that ported old non-game 
code?  I see games everywhere, and some people are developing new web apps 
by writing them in C++ but I've not seen this kind of legacy business logic.

Of course the weirdest part is that they will still be developing on this C 
codebase for another 23 years so emscripten needs to be supported on new 
web technology for a long time.

Now, if LLVM/emscripten supported Cobol ...



 

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