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/*
* This file is part of RUfl
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license
* Copyright 2005 James Bursa <james@semichrome.net>
*/
#include "rufl_internal.h"
/**
* Look up a character in the substitution table.
*
* \param c character to look up
* \return font number containing the character, or NOT_AVAILABLE
*/
unsigned int rufl_substitution_lookup(unsigned int c)
{
unsigned int block = c >> 8;
if (256 < block)
return NOT_AVAILABLE;
if (rufl_substitution_table->index[block] == BLOCK_NONE_AVAILABLE)
return NOT_AVAILABLE;
else {
return rufl_substitution_table->block
[rufl_substitution_table->index[block]]
[c & 255];
}
}
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