problem with plugin for flatbed scanner

Unity Engine
1

I have made an installation at an aguarieum wherein children can scan their drawings of fish/craps/seahorses/u-name-it and they will be brought to life in a 2d/3D world.

i started out trying to build a plugin for unity that had the abbillity to talk with a flatbed scanner
i have had huge success with the twain library and image magick on my raspberry pi but twain is poorly documented sp i switchted to wia ( windows image something lib ) wich works even better.
i was able to get my scanner working direktly from the unity editor and can scan pictures directly into unity there but when i run my standalone it chrashes

the repport tells me that i am missing some dll files ?

so i tried copying them to the data folder but still no luck

now i have build 2 standalones - one for the flatbed scanner and one for the unity game
now it works and the job is done - but i still think a flatbed scanner plugin is a great idea for a lot of things sp i would like to get it finished.

do any of you have experience with buildling plugins ?
do any of you have experience with twain or wia ( twain runs cross platform wich would be cool )

if anyone is interested i kan upload the project - maybe a different set of eyes will do the trick.

2

There’s a few things you can try:

  1. Copy your DLL files to the root of the standalone folder (next to the executable)

  2. Use DependencyWalker to find missing DLL files

  3. Make sure your DLL files are in the correct place in the editor (e.g. Assets/Plugins/x86) and marked in the Inspector as being used by Windows builds.

  4. This post has a similar issue which might help - DLL not found with standalone app but works fine in editor - Unity Engine - Unity Discussions

3

Hello @MLH1407 ,
Hope you are doing fine. Saw your post about the flat bed scanner and I am trying to do the same as well but same thing is happening to me I got the WIA to work in the editor but in the build it crashes. How did you made a standalone version and get the scanner data in the game application. Any help would be much appreciated.

Regards,
Zubair Saqib