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http://jira.openqa.org/browse/WTR-258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charley Baker updated WTR-258:
------------------------------
Affects Version/s: 1.6.5
Fix Version/s: (was: Future)
Soon
Component/s: Other
Environment: win32
The screen capture code is pretty clunky and needs to be refactored or
replaced. Likely option being Aslak, now Jarmo's, screenshot library:
http://github.com/jarmo/win32screenshot
> New Screen Capture Code
> -----------------------
>
> Key: WTR-258
> URL: http://jira.openqa.org/browse/WTR-258
> Project: Watir
> Issue Type: Improvement
> Components: Other
> Affects Versions: 1.6.5
> Environment: win32
> Reporter: Bret Pettichord
> Priority: Major
> Fix For: Soon
>
>
> From: Heesob Park <[email protected]>
> Date: Tue, Sep 30, 2008 at 12:43 AM
> Subject: Re: screen capture to display it or to save it to a file possible?
> To: ruby-talk ML <[email protected]>
> 2008/9/30 liketofindoutwhy <[email protected]>:
> > On Sep 28, 1:46 pm, Tim Hunter <[email protected]> wrote:
> >> liketofindoutwhy wrote:
> >> > On Sep 28, 11:29 am, liketofindoutwhy <[email protected]>
> >> > wrote:
> >> >> i would like do screencaptureand then to display it in that app's
> >> >> window, or be able to save the file in hard disk as a GIF or PNG. I
> >> >> wonder if TCL Ruby or RMagick can already do that? Thanks.
> >>
> >> > oh i actually mean Ruby/Tk
> >>
> >> RMagick can do it on systems that have X Window. In other words, not MS
> >> Windows.http://studio.imagemagick.org/RMagick/doc/image1.html#capture.
> >
> > hm... so can you install x-window capabilities on XP or Vista... will
> > that work? I think the Cygwin install x-window capabilities on
> > Windows.
> >
> >
> >
> There is screen_capture method in watir. But it is unstable.
> Here is the revised screen_capture method for Windows:
> require 'win32ole'
> require 'Win32API'
> def screen_capture(filename, active_window_only=false)
> keybd_event = Win32API.new("user32", "keybd_event", ['I','I','L','L'],
> 'V')
> openClipboard = Win32API.new('user32', 'OpenClipboard', ['L'], 'I')
> setClipboardData = Win32API.new('user32', 'SetClipboardData', ['I',
> 'I'], 'I')
> closeClipboard = Win32API.new('user32', 'CloseClipboard', [], 'I')
> globalAlloc = Win32API.new('kernel32', 'GlobalAlloc', ['I', 'I'], 'I')
> globalLock = Win32API.new('kernel32', 'GlobalLock', ['I'], 'I')
> globalUnlock = Win32API.new('kernel32', 'GlobalUnlock', ['I'], 'I')
> memcpy = Win32API.new('msvcrt', 'memcpy', ['I', 'P', 'I'], 'I')
> wsh = WIN32OLE.new('Wscript.Shell')
> if not active_window_only
> keybd_event.Call(0x2C,0,0,0) # Print Screen
> else
> keybd_event.Call(0x2C,1,0,0) # Alt+Print Screen
> end
> exec = wsh.Exec('mspaint.exe')
> wsh.AppActivate(exec.ProcessID)
> sleep(1)
> # Ctrl + V : Paste
> wsh.SendKeys("^v")
> sleep(1)
> # Alt F + A : Save As
> wsh.SendKeys("%fa")
> # copy filename to clipboard
> hmem = globalAlloc.Call(0x0002, filename.length+1)
> mem = globalLock.Call(hmem)
> memcpy.Call(mem, filename, filename.length+1)
> globalUnlock.Call(hmem)
> openClipboard.Call(0)
> setClipboardData.Call(1, hmem)
> closeClipboard.Call
> sleep(1)
> # Ctrl + V : Paste
> wsh.SendKeys("^v")
> if filename[/\.gif/i]
> wsh.SendKeys("{TAB}g")
> elsif filename[/\.jpg/i]
> wsh.SendKeys("{TAB}j")
> end
> wsh.SendKeys("~") # enter
> sleep(1)
> wsh.SendKeys("yy")
> sleep(4)
> exec.Terminate
> end
> screen_capture("c:\\test.gif")
> Regards,
> Park Heesob
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