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[comment {-*- tcl -*- doctools manpage}]
[manpage_begin canvas::snap n 1.0.1]
[keywords canvas]
[keywords image]
[keywords photo]
[keywords {print screen}]
[keywords snapshot]
[copyright {2004 George Petasis (http://wiki.tcl.tk/1404)}]
[copyright {2010 Documentation, Andreas Kupries}]
[moddesc {Variations on a canvas}]
[titledesc {Canvas snapshot to Tk photo image}]
[require Tcl 8.5]
[require Tk 8.5]
[require canvas::snap [opt 1.0.1]]
[require img::window]
[description]
This package provides a command to take snapshots of arbitrary
canvases.
[section API]
[list_begin definitions]
[call [cmd ::canvas::snap] [arg pathName]]
Takes a snapshot of the canvas [arg pathName]. The result is the name
of a new Tk photo image containing the snapshot.
[para]
[emph Note] that this command has a side-effect. To avoid having white
rectangles where other windows may overlap the canvas this command
forces the toplevel window the canvas is in to the top of the stacking
order.
[list_end]
[vset CATEGORY canvas]
[include ../../support/devel/doc/feedback.inc]
[manpage_end]
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