This app is a port and front end of potrace(http://potrace.sourceforge.net/) on Android! It can transform a bitmap into a vector graphic.
###How to use this app
To use this app, firstly please select a photo on your phone or take a photo. Next you can crop the photo, select the region you want to trace:
Next step please specify a threshold value for black/white image, potrace will process the output black/white image:
Now you will see a preview of output vector graphic:
Save it to file, we support svg and dxf formats:
###How to build this app
To build this app, firstly please setup Android development environment(I am using ADT Bundle). Then please import the project to your workspace. Potrace is a c language program, so you will also need NDK to build.
Thanks