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59 lines
1.4 KiB
59 lines
1.4 KiB
/*
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File: ligstate.h
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Contains: This file contains the definitions
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needed to get/set letter image group state.
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Written by: Mikhail Ovsiannikov
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Copyright: © 1998 by ParaGraph Int'l, all rights reserved.
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Change History (most recent first):
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<1> 3/24/98 mbo New today
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*/
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#ifndef __LISTATE_H
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#define __LISTATE_H
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enum E_LIG_STATE {
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LIG_STATE_UNDEF = 0,
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LIG_STATE_OFTEN = 1,
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LIG_STATE_RARELY = 2,
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LIG_STATE_NEVER = 3
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};
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#define LIG_FIRST_LETTER 0x20
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#define LIG_LAST_LETTER 0xFF
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#define LIG_NUM_LETTERS (LIG_LAST_LETTER - LIG_FIRST_LETTER + 1)
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#if LIG_NUM_LETTERS <= 0
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#error
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#endif
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#define LIG_LET_NUM_GROUPS 8
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#define LIG_NUM_BITS_PER_GROUP 2
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#define LIG_NUM_BIT_GROUP_MASK 0x3
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#define LIG_STATES_SIZE \
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(LIG_NUM_LETTERS * LIG_LET_NUM_GROUPS * LIG_NUM_BITS_PER_GROUP / 8)
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typedef unsigned char LIGStatesType[LIG_STATES_SIZE];
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/*
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* Sets state for a given letter and group.
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* Returns 0 if letter and group are in the allowed range, -1 otherwise.
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*/
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int LIGSetGroupState(LIGStatesType *ioGStates,
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int inLetter,
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int inGroup,
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E_LIG_STATE inGroupState);
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/*
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* Returns state for a given letter and group.
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*/
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E_LIG_STATE LIGGetGroupState(const LIGStatesType *inGStates,
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int inLetter,
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int inGroup);
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#endif /* __LISTATE_H */
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