82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
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/* Copyright (C) 2001-2019 Artifex Software, Inc.
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All Rights Reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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Refer to licensing information at http://www.artifex.com or contact
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Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
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CA 94945, U.S.A., +1(415)492-9861, for further information.
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*/
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/*
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jbig2dec
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*/
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#ifndef _JBIG2_TEXT_H
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#define _JBIG2_TEXT_H
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/**
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* Headers for Text region handling
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**/
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typedef enum {
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JBIG2_CORNER_BOTTOMLEFT = 0,
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JBIG2_CORNER_TOPLEFT = 1,
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JBIG2_CORNER_BOTTOMRIGHT = 2,
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JBIG2_CORNER_TOPRIGHT = 3
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} Jbig2RefCorner;
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typedef struct {
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bool SBHUFF;
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bool SBREFINE;
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bool SBDEFPIXEL;
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Jbig2ComposeOp SBCOMBOP;
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bool TRANSPOSED;
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Jbig2RefCorner REFCORNER;
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int SBDSOFFSET;
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/* int SBW; */
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/* int SBH; */
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uint32_t SBNUMINSTANCES;
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int LOGSBSTRIPS;
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int SBSTRIPS;
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/* int SBNUMSYMS; */
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/* SBSYMCODES */
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/* SBSYMCODELEN */
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/* SBSYMS */
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Jbig2HuffmanTable *SBHUFFFS;
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Jbig2HuffmanTable *SBHUFFDS;
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Jbig2HuffmanTable *SBHUFFDT;
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Jbig2HuffmanTable *SBHUFFRDW;
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Jbig2HuffmanTable *SBHUFFRDH;
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Jbig2HuffmanTable *SBHUFFRDX;
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Jbig2HuffmanTable *SBHUFFRDY;
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Jbig2HuffmanTable *SBHUFFRSIZE;
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Jbig2ArithIntCtx *IADT;
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Jbig2ArithIntCtx *IAFS;
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Jbig2ArithIntCtx *IADS;
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Jbig2ArithIntCtx *IAIT;
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Jbig2ArithIaidCtx *IAID;
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Jbig2ArithIntCtx *IARI;
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Jbig2ArithIntCtx *IARDW;
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Jbig2ArithIntCtx *IARDH;
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Jbig2ArithIntCtx *IARDX;
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Jbig2ArithIntCtx *IARDY;
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bool SBRTEMPLATE;
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int8_t sbrat[4];
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} Jbig2TextRegionParams;
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int
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jbig2_decode_text_region(Jbig2Ctx *ctx, Jbig2Segment *segment,
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const Jbig2TextRegionParams *params,
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const Jbig2SymbolDict *const *dicts, const uint32_t n_dicts,
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Jbig2Image *image, const byte *data, const size_t size, Jbig2ArithCx *GR_stats, Jbig2ArithState *as, Jbig2WordStream *ws);
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int jbig2_text_region(Jbig2Ctx *ctx, Jbig2Segment *segment, const uint8_t *segment_data);
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#endif /* _JBIG2_TEXT_H */
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