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Estimated hours taken: 0.05 extras/graphics/*.m: Removed old versions of Tcl/Tk interface, and OpenGL interface.
This directory contains stuff for doing graphics with Mercury. We have created bindings to Tcl/Tk and OpenGL. Neither are complete, but both a complete *enough* to be very useful. If you add missing functionality to any of these modules, let us know, and we'll see about incorporating enhancements in the main distribution. It contains the following modules: mtcltk.m - a binding to Tcl/Tk (Tk 4.0 or later) mtk.m - a layer on top of mtcltk making it easier to create and manipulate Tk widgets. mogl.m - a binding to OpenGL mglu.m - a binding to the GLU library mtogl.m - a binding to the ToGL widget for Tk. We have included the Togl-1.2 distribution for convenience. See the LICENSE file in the Togl-1.2 directory. We have included two sample programs in the samples directory: samples/calc - a calculator that uses the Tcl/Tk and Tk modules. samples/maze - draws pretty mazes in 3D using OpenGL. We haven't worked out how to prevent the Tcl/Tk library from giving a tcl prompt when it enters the event loop. If you know how, let us know!