01-31-2009
Quote:
Originally Posted by
Corona688
Do you want it to just take a series of graphical snapshots, or somehow reach in and grab the actual rawtext data from the application? The latter might be a pretty tall order given these are graphical applications. Snapshots can be taken with the xsnap tool.
I want to grab the actual text displayed on the application. THere are few functions which the apllications calls before displaying the text.. like for eg: there is a function XDrawString present in Xlib which is called every time user types in it. i hooked that function and was able to capture what ever user did on that editor... but now if i open Mozilla, that function is not gettin called at all.. ie it is using some other libraries...if u can throw some light on this plz....
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LEARN ABOUT OSX
screencapture
SCREENCAPTURE(1) BSD General Commands Manual SCREENCAPTURE(1)
NAME
screencapture -- capture images from the screen and save them to a file or the clipboard
SYNOPSIS
screencapture [-SWCTMPcimswxto] file
DESCRIPTION
The screencapture utility is not very well documented to date. A list of options follows.
-c Force screen capture to go to the clipboard.
-C Capture the cursor as well as the screen. Only allowed in non-interactive modes.
-i Capture screen interactively, by selection or window. The control key will cause the screen shot to go to the clipboard. The space
key will toggle between mouse selection and window selection modes. The escape key will cancel the interactive screen shot.
-m Only capture the main monitor, undefined if -i is set.
-M Open the taken picture in a new Mail message.
-o In window capture mode, do not capture the shadow of the window.
-P Open the taken picture in a Preview window.
-s Only allow mouse selection mode.
-S In window capture mode, capture the screen instead of the window.
-t <format> Image format to create, default is png (other options include pdf, jpg, tiff and other formats).
-T <seconds> Take the picture after a delay of <seconds>, default is 5.
-w Only allow window selection mode.
-W Start interaction in window selection mode.
-x Do not play sounds.
-a Do not capture attached windows.
-r Do not add screen dpi meta data to captured file.
files where to save the screen capture, 1 file per screen
BUGS
Better documentation is needed for this utility.
SECURITY CONSIDERATIONS
To capture screen content while logged in via ssh, you must launch screencapture in the same mach bootstrap hierarchy as loginwindow:
PID=pid of loginwindow
sudo launchctl bsexec $PID screencapture [options]
HISTORY
A screencapture utility first appeared in Mac OS X v10.2.
Mac OS June 16, 2004 Mac OS