CHAPTER 4
224
Graphics
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% First transfer function
% Second graphics state parameter dictionary
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4.4 Path Construction and Painting
Paths
define shapes, trajectories, and regions of all sorts. They are used to draw
lines, define the shapes of filled areas, and specify boundaries for clipping other
graphics. The graphics state includes a
current clipping path
that defines the clip-
ping boundary for the current page. At the beginning of each page, the clipping
path is initialized to include the entire page.