Print screen with win32api

[Emil Sandin]

Hi,
I have seen this question on several locations, but no solution to it. I
want to capture the screen on windows xp. I know that you can do it with
rmagick, but that seems to be for unix-systems only, and rubycocoa for
mac. Since there is a "print screen"-button on the keyboard, I guess
that it should be possible to use win32api to fake a klick on the
keyboard button, and then somehow save the image to disk.

Any ideas?
Regards
Emil

 

[Harry]

Hi,
I have seen this question on several locations, but no solution to it. I
want to capture the screen on windows xp. I know that you can do it with
rmagick, but that seems to be for unix-systems only, and rubycocoa for
mac. Since there is a "print screen"-button on the keyboard, I guess
that it should be possible to use win32api to fake a klick on the
keyboard button, and then somehow save the image to disk.

Any ideas?
Regards
Emil

I haven't tested this particular command but you should be able to do
it with AutoIt.
You can script AutoIt via Ruby.

Here are some commands.
Printscreen is listed.

http://tiger.la.asu.edu/Quick_Ref/AutoIt_quickref.pdf

Harry

 

[Emil Sandin]

mac. Since there is a "print screen"-button on the keyboard, I guess


Try installing Win32::Screenshot (
http://rubyforge.org/projects/win32screenshot/) and launching the
following
script:


require 'win32screenshot'

width, height, bitmap = Win32::Screenshot.desktop
File.open('test.bmp', 'wb') { |file| file.write(bitmap) }


You can find more examples in the test folder after installing the gem
file.

Wow, that sounds exactly right, Thank you!

/Emil