forked from KolibriOS/kolibrios
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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jbig2dec
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Copyright (C) 2001-2002 Artifex Software, Inc.
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This software is distributed under license and may not
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be copied, modified or distributed except as expressly
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authorized under the terms of the license contained in
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the file LICENSE in this distribution.
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For further licensing information refer to http://artifex.com/ or
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contact Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* symbol dictionary header */
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/* the results of decoding a symbol dictionary */
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typedef struct {
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int n_symbols;
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Jbig2Image **glyphs;
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} Jbig2SymbolDict;
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/* decode a symbol dictionary segment and store the results */
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int
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jbig2_symbol_dictionary(Jbig2Ctx *ctx, Jbig2Segment *segment,
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const byte *segment_data);
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/* get a particular glyph by index */
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Jbig2Image *
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jbig2_sd_glyph(Jbig2SymbolDict *dict, unsigned int id);
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/* return a new empty symbol dict */
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Jbig2SymbolDict *
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jbig2_sd_new(Jbig2Ctx *ctx, int n_symbols);
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/* release the memory associated with a symbol dict */
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void
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jbig2_sd_release(Jbig2Ctx *ctx, Jbig2SymbolDict *dict);
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/* generate a new symbol dictionary by concatenating a list of
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existing dictionaries */
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Jbig2SymbolDict *
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jbig2_sd_cat(Jbig2Ctx *ctx, int n_dicts,
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Jbig2SymbolDict **dicts);
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/* count the number of dictionary segments referred
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to by the given segment */
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int
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jbig2_sd_count_referred(Jbig2Ctx *ctx, Jbig2Segment *segment);
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/* return an array of pointers to symbol dictionaries referred
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to by a segment */
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Jbig2SymbolDict **
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jbig2_sd_list_referred(Jbig2Ctx *ctx, Jbig2Segment *segment);
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