Special purpose bundles are lightweight bundles to handle the most common cases for applying attributes to 2-D graphics. These classes are easy to construct and use. Some provide default values for the pen width and pen balance, and overloaded constructors so that you can use a transfer mode.
- The default pen width is 1.0 world-coordinate units.
- The default pen balance is kCenterFrame. Pen balance is the position of the frame relative to the border of the geometry. See the heading "Frame pen styles" on page 158 for more information.
- Transfer modes let you determine the resulting fill or frame color of a graphic drawn into an image when pixels of one color overlay pixels of another color. See Chapter 8 for more information on transfer modes and Chapter 6 for more information on drawing graphics into images.
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