NsScreenshot plug-in: Difference between revisions
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nsScreenshot was created after some discussion in [http://forums.winamp.com/showthread.php?s=&threadid=149561 this] forum thread. | nsScreenshot was created after some discussion in [http://forums.winamp.com/showthread.php?s=&threadid=149561 this] forum thread. | ||
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Revision as of 13:31, 24 June 2005
| Author: lzandman (talk, contrib) |
Links
NsScreenshot.zip (52 KB)
NsScreenshot.zip (52 KB) (Mirror #1)
Description
nsScreenshot is a NSIS-plugin created by Leon Zandman that can create a screenshot and save it to a bitmap (BMP) file.
Usage
It supports two types of screenshots:
- Full-screen capture
- Capture of a specific window (identified by window handle)
To capture the full screen and save it to 'c:\fullscreen.bmp' use the following script:
; Put filename of screenshot onto stack Push "c:\fullscreen.bmp" ; Capture full screen nsScreenshot::Grab_FullScreen Pop $1 ; $1 contains "ok" if the screenshot was taken ; $1 contains "error" if something went wrong StrCmp $1 "ok" ok1 0 DetailPrint "nsScreenshot error" Goto next1 ok1: ; Get image dimensions from stack (only available when "ok") Pop $R1 Pop $R2 DetailPrint "nsScreenshot OK" DetailPrint "Dimensions: ($R1x$R2)" next1:
For capturing a specific window and saving it to 'c:\screenshot.bmp' use the following script:
; Put window handle of window to be captured ; onto stack. You can use FindWindow for this. ; We'll use the NSIS window in this example Push $HWNDPARENT ; Put filename of screenshot onto stack Push "c:\screenshot.bmp" ; Capture window nsScreenshot::Grab Pop $1 ; $1 contains "ok" if the screenshot was taken ; $1 contains "error" if something went wrong StrCmp $1 "ok" ok1 0 DetailPrint "nsScreenshot error" Goto next1 ok1: ; Get image dimensions from stack (only available when "ok") Pop $R1 Pop $R2 DetailPrint "nsScreenshot OK" DetailPrint "Dimensions: ($R1x$R2)" next1:
The distribution includes an example NSIS-script file that should be easy to understand.
Important Note
nsScreenshot always captures the full-screen. For capturing a specific window it will determine the rectangle occupied by that window and crop it out of the total picture, thus resulting in a screenshot of only that specific window. This means that the window to be captured has to be visible (and on top)!
nsScreenshot was created after some discussion in this forum thread.
