Getting imagegrabscreen to work

Answer 1

I have duplicated this error - WinXP SP3, Apache 2.2.11 running as a service, PHP 5.2.8, GD 2.0.34 bundled.

I allowed interaction with the desktop and restarted the service. On a dual-screen setup (Primary: 1440x900, Secondary: 1920x1200) I get a black rectangle the size of the primary screen. I have error reporting turned right up (E_ALL | E_STRICT) and XDebug does not report any errors.

Does anyone else care to take a shot at this? Most important variables seem to be OS (Win2000/WinXP/Win2003/Vista) and version of PHP (5.2.2/.3/.4/.5/.6/.8).

I am going to take a peek at the source to imagegrabscreen().

Answer 2

I looked at the source to imagegrabscreen();

at this point, I believe it is failing because we both have multi-monitor set-ups.

The current code calls GetDC(0), which according to http://msdn.microsoft.com/en-us/library/dd144871(VS.85).aspx should return the device context for "the entire screen", but "To get the DC for a specific display monitor, use the EnumDisplayMonitors and CreateDC functions"

I am going to do a bit more testing of this and see if I can come up with multi-monitor-friendly code.