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Chapter 7. Transparency > Color Space and Rendering Issues

7.6. Color Space and Rendering Issues

This section describes the interactions between transparency and other aspects of color specification and rendering in the Adobe imaging model.

7.6.1. Color Spaces for Transparency Groups

As discussed in Section 7.5.5, “Transparency Group XObjects,” a transparency group can either have an explicitly declared color space of its own or inherit that of its parent group. In either case, the colors of source objects within the group are converted to the group's color space, if necessary, and all blending and compositing computations are done in that space (see Section 7.2.3, “Blending Color Space”). The resulting colors are then interpreted in that color space when the group is subsequently composited with its backdrop.


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