build screen shot application in c/c++ like in linux distros

[sachinmcajnu]

i want to make a screen capture program for linux as my software engineering project
but i am not getting from where to start.........i have a bit knowlege of gtk and that of c/c++ but from where can i get other references which i should know for building it.......................
plzz help ............

[Rubberman]

Here is a link to a GTK tutorial to help you get started: http://www.di.ubi.pt/~jpaulo/ensino/IHC/gtktut.pdf

[Rubberman]

Basically, you need to capture the frame buffer and convert it into an image format (jpeg, gif, bmp, tiff, svg, png, et al). You may need to drop into lower-level X calls to do that. Sorry, but I haven't done this sort of thing for almost 20 years so my memory is fuzzy on the exact technique, especially in light of todays' higher level graphical API's. Since the KDE snapshot tool is open sourced, you could review the code for that and find out how they do it. It works very well. You can get it as part of the kdegraphics package. However, since KDE uses Qt instead of GTK, you may have to learn something about that API.

[Efficience]

how can i make a screen shot application in c/c++ ..........
i know little bit of interface making in gtk...............
what else do i need

please suggest.............
please help

Hi sachinmcajnu ,
If you are working in c/c++ you can easily make an application to take screen shots using Qt library in c++.It's very easy to learn.Here is the link -> doc.qt.nokia.com/latest/desktop-screenshot.html

[oz]

Hello, sachinmcajnu

Duplicate threads are not allowed because they become overly confusing to those trying to help you, so I've merged the three threads you started regarding this subject into a single thread. Please continue any discussion about this topic here only.

Thank you.