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1 // Copyright 2015 PDFium Authors. All rights reserved. | 1 // Copyright 2015 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "../../../include/fpdfapi/fpdf_objects.h" | |
8 #include "JBig2_BitStream.h" | 7 #include "JBig2_BitStream.h" |
9 | 8 |
10 #include <algorithm> | 9 #include <algorithm> |
11 | 10 |
| 11 #include "core/include/fpdfapi/fpdf_objects.h" |
| 12 |
12 CJBig2_BitStream::CJBig2_BitStream(CPDF_StreamAcc* pSrcStream) | 13 CJBig2_BitStream::CJBig2_BitStream(CPDF_StreamAcc* pSrcStream) |
13 : m_pBuf(pSrcStream->GetData()), | 14 : m_pBuf(pSrcStream->GetData()), |
14 m_dwLength(pSrcStream->GetSize()), | 15 m_dwLength(pSrcStream->GetSize()), |
15 m_dwByteIdx(0), | 16 m_dwByteIdx(0), |
16 m_dwBitIdx(0), | 17 m_dwBitIdx(0), |
17 m_dwObjNum(pSrcStream->GetStream() ? pSrcStream->GetStream()->GetObjNum() | 18 m_dwObjNum(pSrcStream->GetStream() ? pSrcStream->GetStream()->GetObjNum() |
18 : 0) { | 19 : 0) { |
19 if (m_dwLength > 256 * 1024 * 1024) { | 20 if (m_dwLength > 256 * 1024 * 1024) { |
20 m_dwLength = 0; | 21 m_dwLength = 0; |
21 m_pBuf = nullptr; | 22 m_pBuf = nullptr; |
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179 return m_dwByteIdx < m_dwLength; | 180 return m_dwByteIdx < m_dwLength; |
180 } | 181 } |
181 | 182 |
182 FX_DWORD CJBig2_BitStream::LengthInBits() const { | 183 FX_DWORD CJBig2_BitStream::LengthInBits() const { |
183 return m_dwLength << 3; | 184 return m_dwLength << 3; |
184 } | 185 } |
185 | 186 |
186 FX_DWORD CJBig2_BitStream::getObjNum() const { | 187 FX_DWORD CJBig2_BitStream::getObjNum() const { |
187 return m_dwObjNum; | 188 return m_dwObjNum; |
188 } | 189 } |
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