libraries/gtkglarea: Wrap README at 72 columns.
Signed-off-by: B. Watson <yalhcru@gmail.com>
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GtkGLArea is an OpenGL widget for GTK+ GUI toolkit.
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Just as GTK+ is built on top of GDK, GtkGLArea is built on top of gdkgl which
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is basically a wrapper around GLX functions. The widget itself is very
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similar to the GtkDrawingArea widget and adds only three extra functions.
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Lower level gdkgl functions make it easy to render on any OpenGL capable
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widget; rendering to off-screen pixmaps is also supported.
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Just as GTK+ is built on top of GDK, GtkGLArea is built on top of
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gdkgl which is basically a wrapper around GLX functions. The widget
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itself is very similar to the GtkDrawingArea widget and adds only
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three extra functions. Lower level gdkgl functions make it easy to
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render on any OpenGL capable widget; rendering to off-screen pixmaps
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is also supported.
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This project appears to be abandoned in favor of GtkGLExt, but is still
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required by a few programs.
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