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| Rev | Author | Line No. | Line |
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| 4680 | right-hear | 1 | /* |
| 2 | jbig2dec |
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| 3 | |||
| 4 | Copyright (C) 2001-2002 Artifex Software, Inc. |
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| 5 | |||
| 6 | This software is distributed under license and may not |
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| 7 | be copied, modified or distributed except as expressly |
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| 8 | authorized under the terms of the license contained in |
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| 9 | the file LICENSE in this distribution. |
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| 10 | |||
| 11 | For further licensing information refer to http://artifex.com/ or |
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| 12 | contact Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134, |
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| 13 | San Rafael, CA 94903, U.S.A., +1(415)492-9861. |
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| 14 | */ |
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| 15 | |||
| 16 | /* symbol dictionary header */ |
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| 17 | |||
| 18 | /* the results of decoding a symbol dictionary */ |
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| 19 | typedef struct { |
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| 20 | int n_symbols; |
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| 21 | Jbig2Image **glyphs; |
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| 22 | } Jbig2SymbolDict; |
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| 23 | |||
| 24 | /* decode a symbol dictionary segment and store the results */ |
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| 25 | int |
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| 26 | jbig2_symbol_dictionary(Jbig2Ctx *ctx, Jbig2Segment *segment, |
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| 27 | const byte *segment_data); |
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| 28 | |||
| 29 | /* get a particular glyph by index */ |
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| 30 | Jbig2Image * |
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| 31 | jbig2_sd_glyph(Jbig2SymbolDict *dict, unsigned int id); |
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| 32 | |||
| 33 | /* return a new empty symbol dict */ |
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| 34 | Jbig2SymbolDict * |
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| 35 | jbig2_sd_new(Jbig2Ctx *ctx, int n_symbols); |
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| 36 | |||
| 37 | /* release the memory associated with a symbol dict */ |
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| 38 | void |
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| 39 | jbig2_sd_release(Jbig2Ctx *ctx, Jbig2SymbolDict *dict); |
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| 40 | |||
| 41 | /* generate a new symbol dictionary by concatenating a list of |
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| 42 | existing dictionaries */ |
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| 43 | Jbig2SymbolDict * |
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| 44 | jbig2_sd_cat(Jbig2Ctx *ctx, int n_dicts, |
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| 45 | Jbig2SymbolDict **dicts); |
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| 46 | |||
| 47 | /* count the number of dictionary segments referred |
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| 48 | to by the given segment */ |
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| 49 | int |
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| 50 | jbig2_sd_count_referred(Jbig2Ctx *ctx, Jbig2Segment *segment); |
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| 51 | |||
| 52 | /* return an array of pointers to symbol dictionaries referred |
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| 53 | to by a segment */ |
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| 54 | Jbig2SymbolDict ** |
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| 55 | jbig2_sd_list_referred(Jbig2Ctx *ctx, Jbig2Segment *segment); |
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| 56 |