1 // Copyright 2015 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef CORE_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ 8 #define CORE_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ 9 10 #include "core/fxcodec/jbig2/JBig2_Image.h" 11 #include "core/fxcrt/fx_system.h" 12 13 class CJBig2_ArithDecoder; 14 class CJBig2_ArithIaidDecoder; 15 class CJBig2_ArithIntDecoder; 16 class CJBig2_BitStream; 17 class CJBig2_HuffmanTable; 18 struct JBig2ArithCtx; 19 struct JBig2HuffmanCode; 20 21 struct JBig2IntDecoderState { 22 CJBig2_ArithIntDecoder* IADT; 23 CJBig2_ArithIntDecoder* IAFS; 24 CJBig2_ArithIntDecoder* IADS; 25 CJBig2_ArithIntDecoder* IAIT; 26 CJBig2_ArithIntDecoder* IARI; 27 CJBig2_ArithIntDecoder* IARDW; 28 CJBig2_ArithIntDecoder* IARDH; 29 CJBig2_ArithIntDecoder* IARDX; 30 CJBig2_ArithIntDecoder* IARDY; 31 CJBig2_ArithIaidDecoder* IAID; 32 }; 33 34 enum JBig2Corner { 35 JBIG2_CORNER_BOTTOMLEFT = 0, 36 JBIG2_CORNER_TOPLEFT = 1, 37 JBIG2_CORNER_BOTTOMRIGHT = 2, 38 JBIG2_CORNER_TOPRIGHT = 3 39 }; 40 41 class CJBig2_TRDProc { 42 public: 43 CJBig2_Image* decode_Huffman(CJBig2_BitStream* pStream, 44 JBig2ArithCtx* grContext); 45 46 CJBig2_Image* decode_Arith(CJBig2_ArithDecoder* pArithDecoder, 47 JBig2ArithCtx* grContext, 48 JBig2IntDecoderState* pIDS); 49 50 bool SBHUFF; 51 bool SBREFINE; 52 uint32_t SBW; 53 uint32_t SBH; 54 uint32_t SBNUMINSTANCES; 55 uint32_t SBSTRIPS; 56 uint32_t SBNUMSYMS; 57 58 JBig2HuffmanCode* SBSYMCODES; 59 uint8_t SBSYMCODELEN; 60 61 CJBig2_Image** SBSYMS; 62 bool SBDEFPIXEL; 63 64 JBig2ComposeOp SBCOMBOP; 65 bool TRANSPOSED; 66 67 JBig2Corner REFCORNER; 68 int8_t SBDSOFFSET; 69 CJBig2_HuffmanTable* SBHUFFFS; 70 CJBig2_HuffmanTable* SBHUFFDS; 71 CJBig2_HuffmanTable* SBHUFFDT; 72 CJBig2_HuffmanTable* SBHUFFRDW; 73 CJBig2_HuffmanTable* SBHUFFRDH; 74 CJBig2_HuffmanTable* SBHUFFRDX; 75 CJBig2_HuffmanTable* SBHUFFRDY; 76 CJBig2_HuffmanTable* SBHUFFRSIZE; 77 bool SBRTEMPLATE; 78 int8_t SBRAT[4]; 79 }; 80 81 #endif // CORE_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ 82