Hoàng Ðình Long wrote in message
<9492021c-665d-43cb-8368-1e2d72e4f210@z27g2000prz.googlegroups.com>...

>In fact, I can do it in Java. I choose Ada because I have learnt it
>recently ( I am not proficient yet). I want to have some case studies,
>just for fun. Because my friend is a designer and she needs to convert
>pdf to jpeg, that's why I think I can do it in Ada if there are some
>libraries out there (get some practices).

You can always press PRINT SCRN,
and paste the image into a picture program.