https://screencast.autodesk.com/main/details/77610623-cb0d-41b2-9606-cc85a44f5b6c
- Make image come in the correct orientation each time
- Provide option for opacity for white only for backgrounds (better yet, eyedropper!!)
- Add Calibrate to the Attached Canvas dialog
- Keep image opaque when doing a Calibrate
- Display a line between each Calibrate dots
- Allow user to drag the second dot for fine adjustment
- Zoom fit when Calibrate is accepted