Hi all:
I am a newbie for XFREE86 programming, now I am doing something with
XFree86 in my project(software design recovery)... Can someone give me some
hints to start my XFree programming career :) .
Here is what I need to do, it sounds simple......
I run an application, this application pops up a window.
1.I have the process ID for this application, how can convert this
process ID to the windowsID of X??(I can get that window id from xwininfo
though..)
2.I want to capture the screenshot of a given window (ID), it is easy by
using xwd. However, any api can help me capture the screenshot in my
code(rather than doing system call for xwd?)
3.I need to compare the changes of two screenshots (saying capture the
application window in different time spots, and compare the changes of two
pictures). Which graph format is recommended?
Heaps of thanks!
Cheers
Leo
If God hadn't wanted me to be paranoid,
He wouldn't have given me such a vivid imagination....
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