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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/cpdf_stream.h" | 7 #include "core/fpdfapi/fpdf_parser/cpdf_stream.h" |
8 | 8 |
9 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" | 9 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" |
10 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" | 10 #include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" |
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86 return new CPDF_Stream(acc.DetachData(), streamSize, pDict); | 86 return new CPDF_Stream(acc.DetachData(), streamSize, pDict); |
87 } | 87 } |
88 | 88 |
89 void CPDF_Stream::SetData(const uint8_t* pData, uint32_t size) { | 89 void CPDF_Stream::SetData(const uint8_t* pData, uint32_t size) { |
90 m_bMemoryBased = true; | 90 m_bMemoryBased = true; |
91 m_pDataBuf.reset(FX_Alloc(uint8_t, size)); | 91 m_pDataBuf.reset(FX_Alloc(uint8_t, size)); |
92 if (pData) | 92 if (pData) |
93 FXSYS_memcpy(m_pDataBuf.get(), pData, size); | 93 FXSYS_memcpy(m_pDataBuf.get(), pData, size); |
94 m_dwSize = size; | 94 m_dwSize = size; |
95 if (!m_pDict) | 95 if (!m_pDict) |
96 m_pDict.reset(new CPDF_Dictionary(CFX_WeakPtr<CFX_ByteStringPool>())); | 96 m_pDict.reset(new CPDF_Dictionary()); |
97 m_pDict->SetIntegerFor("Length", size); | 97 m_pDict->SetIntegerFor("Length", size); |
98 m_pDict->RemoveFor("Filter"); | 98 m_pDict->RemoveFor("Filter"); |
99 m_pDict->RemoveFor("DecodeParms"); | 99 m_pDict->RemoveFor("DecodeParms"); |
100 } | 100 } |
101 | 101 |
102 FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset, | 102 FX_BOOL CPDF_Stream::ReadRawData(FX_FILESIZE offset, |
103 uint8_t* buf, | 103 uint8_t* buf, |
104 uint32_t size) const { | 104 uint32_t size) const { |
105 if (m_bMemoryBased && m_pFile) | 105 if (m_bMemoryBased && m_pFile) |
106 return m_pFile->ReadBlock(buf, offset, size); | 106 return m_pFile->ReadBlock(buf, offset, size); |
107 | 107 |
108 if (m_pDataBuf) | 108 if (m_pDataBuf) |
109 FXSYS_memcpy(buf, m_pDataBuf.get() + offset, size); | 109 FXSYS_memcpy(buf, m_pDataBuf.get() + offset, size); |
110 | 110 |
111 return TRUE; | 111 return TRUE; |
112 } | 112 } |
113 | 113 |
114 CFX_WideString CPDF_Stream::GetUnicodeText() const { | 114 CFX_WideString CPDF_Stream::GetUnicodeText() const { |
115 CPDF_StreamAcc stream; | 115 CPDF_StreamAcc stream; |
116 stream.LoadAllData(this, FALSE); | 116 stream.LoadAllData(this, FALSE); |
117 return PDF_DecodeText(stream.GetData(), stream.GetSize()); | 117 return PDF_DecodeText(stream.GetData(), stream.GetSize()); |
118 } | 118 } |
119 | 119 |
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