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Side by Side Diff: core/src/fxcodec/jbig2/JBig2_HuffmanTable.h

Issue 1800523005: Move core/src/ up to core/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
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1 // Copyright 2014 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_HUFFMANTABLE_H_
8 #define CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_
9
10 #include <vector>
11
12 #include "core/include/fxcrt/fx_system.h"
13
14 class CJBig2_BitStream;
15 struct JBig2TableLine;
16
17 class CJBig2_HuffmanTable {
18 public:
19 CJBig2_HuffmanTable(const JBig2TableLine* pTable,
20 FX_DWORD nLines,
21 bool bHTOOB);
22
23 explicit CJBig2_HuffmanTable(CJBig2_BitStream* pStream);
24
25 ~CJBig2_HuffmanTable();
26
27 bool IsHTOOB() const { return HTOOB; }
28 FX_DWORD Size() const { return NTEMP; }
29 const std::vector<int>& GetCODES() const { return CODES; }
30 const std::vector<int>& GetPREFLEN() const { return PREFLEN; }
31 const std::vector<int>& GetRANGELEN() const { return RANGELEN; }
32 const std::vector<int>& GetRANGELOW() const { return RANGELOW; }
33 bool IsOK() const { return m_bOK; }
34
35 private:
36 void ParseFromStandardTable(const JBig2TableLine* pTable);
37 bool ParseFromCodedBuffer(CJBig2_BitStream* pStream);
38 void InitCodes();
39 void ExtendBuffers(bool increment);
40
41 bool m_bOK;
42 bool HTOOB;
43 FX_DWORD NTEMP;
44 std::vector<int> CODES;
45 std::vector<int> PREFLEN;
46 std::vector<int> RANGELEN;
47 std::vector<int> RANGELOW;
48 };
49
50 #endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_HUFFMANTABLE_H_
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