OLD | NEW |
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 "core/fxcodec/jbig2/JBig2_BitStream.h" | 7 #include "core/fxcodec/jbig2/JBig2_BitStream.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 | 10 |
(...skipping 83 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
94 int32_t CJBig2_BitStream::readInteger(FX_DWORD* dwResult) { | 94 int32_t CJBig2_BitStream::readInteger(FX_DWORD* dwResult) { |
95 if (m_dwByteIdx + 3 >= m_dwLength) | 95 if (m_dwByteIdx + 3 >= m_dwLength) |
96 return -1; | 96 return -1; |
97 | 97 |
98 *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16) | | 98 *dwResult = (m_pBuf[m_dwByteIdx] << 24) | (m_pBuf[m_dwByteIdx + 1] << 16) | |
99 (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3]; | 99 (m_pBuf[m_dwByteIdx + 2] << 8) | m_pBuf[m_dwByteIdx + 3]; |
100 m_dwByteIdx += 4; | 100 m_dwByteIdx += 4; |
101 return 0; | 101 return 0; |
102 } | 102 } |
103 | 103 |
104 int32_t CJBig2_BitStream::readShortInteger(FX_WORD* dwResult) { | 104 int32_t CJBig2_BitStream::readShortInteger(uint16_t* dwResult) { |
105 if (m_dwByteIdx + 1 >= m_dwLength) | 105 if (m_dwByteIdx + 1 >= m_dwLength) |
106 return -1; | 106 return -1; |
107 | 107 |
108 *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; | 108 *dwResult = (m_pBuf[m_dwByteIdx] << 8) | m_pBuf[m_dwByteIdx + 1]; |
109 m_dwByteIdx += 2; | 109 m_dwByteIdx += 2; |
110 return 0; | 110 return 0; |
111 } | 111 } |
112 | 112 |
113 void CJBig2_BitStream::alignByte() { | 113 void CJBig2_BitStream::alignByte() { |
114 if (m_dwBitIdx != 0) { | 114 if (m_dwBitIdx != 0) { |
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
180 return m_dwByteIdx < m_dwLength; | 180 return m_dwByteIdx < m_dwLength; |
181 } | 181 } |
182 | 182 |
183 FX_DWORD CJBig2_BitStream::LengthInBits() const { | 183 FX_DWORD CJBig2_BitStream::LengthInBits() const { |
184 return m_dwLength << 3; | 184 return m_dwLength << 3; |
185 } | 185 } |
186 | 186 |
187 FX_DWORD CJBig2_BitStream::getObjNum() const { | 187 FX_DWORD CJBig2_BitStream::getObjNum() const { |
188 return m_dwObjNum; | 188 return m_dwObjNum; |
189 } | 189 } |
OLD | NEW |