How to create a room sketch in matlab gui using Guide

Hello everyone i'm new in matlab gui, i want to ask something how to create a room sketch in matlab gui with Guide like this one

Thanks :)

Answer 1

[Image Analyst]

Create an axes. Then maybe have some buttons to let the user create vertical or horizontal lines. Have a "popup" to select the line color. Use ginput(2) or imline() to let the user specify the endpoints.

[Kaito]

can you give me an specific example sir? i still don't understand