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    g
     
    
      - 
        geometry management
      
- 
        The process whereby a composite controls the geometrical properties 
        of its child contacts; the composite is referred to as the geometry 
        manager.
      
- 
        glyph
      
- 
        An image, typically of a character, in a font.
      
- 
        grab
      
- 
        Keyboard keys, the keyboard, pointer buttons, the pointer, and the 
        server can be grabbed for exclusive use by a client. In 
        general, these facilities are not intended to be used by normal 
        applications but are intended for various input and window managers 
        to implement various styles of user interfaces.
      
- 
        gcontext
      
- 
        Shorthand for graphics context.
      
- 
        graphics context
      
- 
        Various information for graphics output is stored in a graphics 
        context (or gcontext), such as foreground pixel, background 
        pixel, line width, clipping region, and so forth. A graphics context 
        can only be used with drawables that have the same root and the same 
        depth as the graphics context.
      
- 
        gray scale
      
- 
        A degenerate case of pseudo color, in which the red, green, and blue 
        values in any given colormap entry are equal, thus producing shades 
        of gray. The gray values can be changed dynamically.
    
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