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1.1 root 1: IPMETRICS
2:
3: Ipmetrics converts Interpress metric masters to the form need by
4: specific composition systems.
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6: HOW TO ADD A NEW COMPOSITION SYSTEM
7:
8: To make it easier to add new output capability to ipmetrics, the
9: interface from the executor has been simplified. Each composition
10: system that is supported by ipmetrics is listed in the file
11: "conf.c". Basically, for eack system three procedures are provided:
12: one that is called for initialization
13: one that is called for each property vector
14: one that is called to clean-up
15: In addition, a boolean flag is given to determine whether a configuration
16: file should be read from the standard input or not. If the configuration
17: file is read, then it is placed in a linked list of structures. The
18: structures are defined in "config.h".
19:
20: The initialization and clean-up procedures are called with a pointer
21: to the chain of font descriptors. The procedure to handle each
22: vector is called with the configuration chain and the vector.
23:
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