Newbie: Require assistance - modify existing jpeg image ,save and display on LCD

[dbugger]

Do you mean to say that the control isn't entering the "openimage" function? If that is the case, I can see the debug messages, which means that my SLOT is fine. But I am not sure as to how to make my current application which has many screens to go inactive/ionvisible and display the jpeg image on LCD.
Should/Can we modify the frame buffer?

[wysota]

It is very hard to say what is wrong with your code without knowing more. I suggest you use a debugger and step through the code to make sure everything is executed correctly. You will probably encounter some oddities which will tell you where to look for errors.