Annex C. Tcl Backend Binding

A Tcl binding is available in the "backend_tcl” sub-directory. To make on Unix:

cd backend_tcl
autoconf
./configure
make
sudo make install

For Windows, a Microsoft Visual C++ project file is available at "backend_tcl\zint_tcl.vcxproj". Note that this assumes that Tcl/Tk is available in "C:\Tcl" and that the libraries are named "tclstub.lib" and "tkstub.lib" - change to match your setup. There is also a Visual Studio makefile available at "backend_tcl\win\makefile.vc", which can be run with nmake - for details see "backend_tcl\win\README.txt".

Once built and installed, invoke the Tcl/Tk CLI "wish":

wish

and ignoring the Tk window click back to the command prompt "%" and type:

package require zint
zint help

which will show the usage message, with options very similar to the Zint CLI. (One notable difference is that boolean options such as -bold take a 1 or 0 as an argument.)

A demonstration Tcl/Tk program which is also useful in itself is available at "backend_tcl/demo/demo.tcl". To run type:

wish demo/demo.tcl

which will display the following window.

You can select the symbology, enter the data to encode, and set options (which are the same as those given in the usage message). The raster preview of the configured barcode is updated when the "Generate" button is pressed.