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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 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/fpdfapi/fpdf_parser/include/cpdf_stream.h" | 7 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" | 9 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" |
10 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" | 10 #include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h" |
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63 uint32_t size, | 63 uint32_t size, |
64 CPDF_Dictionary* pDict) { | 64 CPDF_Dictionary* pDict) { |
65 InitStreamInternal(pDict); | 65 InitStreamInternal(pDict); |
66 m_GenNum = kMemoryBasedGenNum; | 66 m_GenNum = kMemoryBasedGenNum; |
67 m_pDataBuf = FX_Alloc(uint8_t, size); | 67 m_pDataBuf = FX_Alloc(uint8_t, size); |
68 if (pData) | 68 if (pData) |
69 FXSYS_memcpy(m_pDataBuf, pData, size); | 69 FXSYS_memcpy(m_pDataBuf, pData, size); |
70 | 70 |
71 m_dwSize = size; | 71 m_dwSize = size; |
72 if (m_pDict) | 72 if (m_pDict) |
73 m_pDict->SetAtInteger("Length", size); | 73 m_pDict->SetIntegerFor("Length", size); |
74 } | 74 } |
75 | 75 |
76 CPDF_Object* CPDF_Stream::Clone() const { | 76 CPDF_Object* CPDF_Stream::Clone() const { |
77 return CloneObjectNonCyclic(false); | 77 return CloneObjectNonCyclic(false); |
78 } | 78 } |
79 | 79 |
80 CPDF_Object* CPDF_Stream::CloneNonCyclic( | 80 CPDF_Object* CPDF_Stream::CloneNonCyclic( |
81 bool bDirect, | 81 bool bDirect, |
82 std::set<const CPDF_Object*>* pVisited) const { | 82 std::set<const CPDF_Object*>* pVisited) const { |
83 pVisited->insert(this); | 83 pVisited->insert(this); |
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105 m_pDataBuf = const_cast<uint8_t*>(pData); | 105 m_pDataBuf = const_cast<uint8_t*>(pData); |
106 } else { | 106 } else { |
107 m_pDataBuf = FX_Alloc(uint8_t, size); | 107 m_pDataBuf = FX_Alloc(uint8_t, size); |
108 if (pData) { | 108 if (pData) { |
109 FXSYS_memcpy(m_pDataBuf, pData, size); | 109 FXSYS_memcpy(m_pDataBuf, pData, size); |
110 } | 110 } |
111 } | 111 } |
112 m_dwSize = size; | 112 m_dwSize = size; |
113 if (!m_pDict) | 113 if (!m_pDict) |
114 m_pDict = new CPDF_Dictionary; | 114 m_pDict = new CPDF_Dictionary; |
115 m_pDict->SetAtInteger("Length", size); | 115 m_pDict->SetIntegerFor("Length", size); |
116 if (!bCompressed) { | 116 if (!bCompressed) { |
117 m_pDict->RemoveAt("Filter"); | 117 m_pDict->RemoveFor("Filter"); |
118 m_pDict->RemoveAt("DecodeParms"); | 118 m_pDict->RemoveFor("DecodeParms"); |
119 } | 119 } |
120 } | 120 } |
121 | 121 |
122 FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset, | 122 FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset, |
123 uint8_t* buf, | 123 uint8_t* buf, |
124 uint32_t size) const { | 124 uint32_t size) const { |
125 if (!IsMemoryBased() && m_pFile) | 125 if (!IsMemoryBased() && m_pFile) |
126 return m_pFile->ReadBlock(buf, offset, size); | 126 return m_pFile->ReadBlock(buf, offset, size); |
127 | 127 |
128 if (m_pDataBuf) | 128 if (m_pDataBuf) |
129 FXSYS_memcpy(buf, m_pDataBuf + offset, size); | 129 FXSYS_memcpy(buf, m_pDataBuf + offset, size); |
130 | 130 |
131 return TRUE; | 131 return TRUE; |
132 } | 132 } |
133 | 133 |
134 void CPDF_Stream::InitStreamFromFile(IFX_FileRead* pFile, | 134 void CPDF_Stream::InitStreamFromFile(IFX_FileRead* pFile, |
135 CPDF_Dictionary* pDict) { | 135 CPDF_Dictionary* pDict) { |
136 InitStreamInternal(pDict); | 136 InitStreamInternal(pDict); |
137 m_pFile = pFile; | 137 m_pFile = pFile; |
138 m_dwSize = (uint32_t)pFile->GetSize(); | 138 m_dwSize = (uint32_t)pFile->GetSize(); |
139 if (m_pDict) | 139 if (m_pDict) |
140 m_pDict->SetAtInteger("Length", m_dwSize); | 140 m_pDict->SetIntegerFor("Length", m_dwSize); |
141 } | 141 } |
142 | 142 |
143 CFX_WideString CPDF_Stream::GetUnicodeText() const { | 143 CFX_WideString CPDF_Stream::GetUnicodeText() const { |
144 CPDF_StreamAcc stream; | 144 CPDF_StreamAcc stream; |
145 stream.LoadAllData(this, FALSE); | 145 stream.LoadAllData(this, FALSE); |
146 return PDF_DecodeText(stream.GetData(), stream.GetSize()); | 146 return PDF_DecodeText(stream.GetData(), stream.GetSize()); |
147 } | 147 } |
148 | 148 |
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