CImg library when compiling return undefined reference to `__imp_SetDIBitsToDevice'

Question

I'm using VSCode on Windows 10 with MinGW compiler installed. I've tried using CImg library to edit images (http://cimg.eu/), and when I'm trying to compile code from tutorial (http://cimg.eu/reference/group__cimg__tutorial.html) I get this error:

C:\Users\Martini\AppData\Local\Temp\ccBswQ5w.o:tutorial.cpp:(.text$_ZN12cimg_library11CImgDisplay5paintEv[_ZN12cimg_library11CImgDisplay5paintEv]+0xba): undefined reference to `__imp_SetDIBitsToDevice'
collect2.exe: error: ld returned 1 exit status

I have CImg.h file located in folder with tutorial.cpp. Here's command I'm using to compile:

g++ tutorial.cpp -o tutorial.exe

It's my first time working with libraries in C++, and CImg looks fairly easy to use, but if you have used other libraries to edit photos, let me know.

Thanks in advance!

I don't speak Windows, but you need to link to GDI32 on Windows I think. Something like `g++ ... -lgdi32` — Mark Setchell, Jul 11 '20 at 11:55
Ok, cool. I'll write it as an answer for others to see easily. — Mark Setchell, Jul 11 '20 at 12:07

score 2 · Accepted Answer · answered Jul 11 '20 at 12:09

2

You need to link to GDI32 on Windows I think. Something like:

g++ tutorial.cpp -lgdi32 -o tutorial.exe

answered Jul 11 '20 at 12:09

Mark Setchell

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CImg library when compiling return undefined reference to `__imp_SetDIBitsToDevice'

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