Chapter 7. Xlib Graphic Primitives
In this chapter
The Graphics Context
Graphic Primitive Functions
Next Steps
The thorough discussion of programming with the X Toolkit Intrinsics in Chapter 6,"Components of an X Window Application," omitted one essential element necessary for approaching the Graphics Editor project. The missing piece is not addressed by any of the functions provided with Xt.
To perform the basic graphic functions of drawing lines, arcs, points, and rectangles, the X library, Xlib, must be used. These basic functions, along with others for copying and for creating the graphic contexts needed to define the attributes of the operations, are known as X Graphic Primitives.
A graphic primitive is an Xlib call that sends a request to the ...
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