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_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ 8 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ 9 10 #include "JBig2_Image.h" 11 #include "core/include/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 = NULL); 49 50 public: 51 FX_BOOL SBHUFF; 52 FX_BOOL SBREFINE; 53 FX_DWORD SBW; 54 FX_DWORD SBH; 55 FX_DWORD SBNUMINSTANCES; 56 FX_DWORD SBSTRIPS; 57 FX_DWORD SBNUMSYMS; 58 59 JBig2HuffmanCode* SBSYMCODES; 60 uint8_t SBSYMCODELEN; 61 62 CJBig2_Image** SBSYMS; 63 FX_BOOL SBDEFPIXEL; 64 65 JBig2ComposeOp SBCOMBOP; 66 FX_BOOL TRANSPOSED; 67 68 JBig2Corner REFCORNER; 69 int8_t SBDSOFFSET; 70 CJBig2_HuffmanTable* SBHUFFFS; 71 CJBig2_HuffmanTable* SBHUFFDS; 72 CJBig2_HuffmanTable* SBHUFFDT; 73 CJBig2_HuffmanTable* SBHUFFRDW; 74 CJBig2_HuffmanTable* SBHUFFRDH; 75 CJBig2_HuffmanTable* SBHUFFRDX; 76 CJBig2_HuffmanTable* SBHUFFRDY; 77 CJBig2_HuffmanTable* SBHUFFRSIZE; 78 FX_BOOL SBRTEMPLATE; 79 int8_t SBRAT[4]; 80 }; 81 82 #endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_TRDPROC_H_ 83
