Index: core/include/fpdfapi/cpdf_stream.h |
diff --git a/core/include/fpdfapi/cpdf_stream.h b/core/include/fpdfapi/cpdf_stream.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..fd3b8c004767c57e6b65b73f57d4653d79c4aafd |
--- /dev/null |
+++ b/core/include/fpdfapi/cpdf_stream.h |
@@ -0,0 +1,99 @@ |
+// Copyright 2016 PDFium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
+ |
+#ifndef CORE_INCLUDE_FPDFAPI_CPDF_STREAM_H_ |
+#define CORE_INCLUDE_FPDFAPI_CPDF_STREAM_H_ |
+ |
+#include "core/include/fpdfapi/cpdf_object.h" |
+#include "core/include/fxcrt/fx_stream.h" |
+ |
+class CPDF_Stream : public CPDF_Object { |
+ public: |
+ CPDF_Stream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); |
+ |
+ // CPDF_Object. |
+ Type GetType() const override; |
+ CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; |
+ CPDF_Dictionary* GetDict() const override; |
+ CFX_WideString GetUnicodeText() const override; |
+ bool IsStream() const override; |
+ CPDF_Stream* AsStream() override; |
+ const CPDF_Stream* AsStream() const override; |
+ |
+ FX_DWORD GetRawSize() const { return m_dwSize; } |
+ uint8_t* GetRawData() const { return m_pDataBuf; } |
+ |
+ void SetData(const uint8_t* pData, |
+ FX_DWORD size, |
+ FX_BOOL bCompressed, |
+ FX_BOOL bKeepBuf); |
+ |
+ void InitStream(uint8_t* pData, FX_DWORD size, CPDF_Dictionary* pDict); |
+ void InitStreamFromFile(IFX_FileRead* pFile, CPDF_Dictionary* pDict); |
+ |
+ FX_BOOL ReadRawData(FX_FILESIZE start_pos, |
+ uint8_t* pBuf, |
+ FX_DWORD buf_size) const; |
+ |
+ bool IsMemoryBased() const { return m_GenNum == kMemoryBasedGenNum; } |
+ |
+ protected: |
+ static const FX_DWORD kMemoryBasedGenNum = (FX_DWORD)-1; |
+ |
+ ~CPDF_Stream() override; |
+ |
+ void InitStreamInternal(CPDF_Dictionary* pDict); |
+ |
+ CPDF_Dictionary* m_pDict; |
+ FX_DWORD m_dwSize; |
+ FX_DWORD m_GenNum; |
+ |
+ union { |
+ uint8_t* m_pDataBuf; |
+ IFX_FileRead* m_pFile; |
+ }; |
+}; |
+ |
+inline CPDF_Stream* ToStream(CPDF_Object* obj) { |
+ return obj ? obj->AsStream() : nullptr; |
+} |
+ |
+inline const CPDF_Stream* ToStream(const CPDF_Object* obj) { |
+ return obj ? obj->AsStream() : nullptr; |
+} |
+ |
+class CPDF_StreamAcc { |
dsinclair
2016/03/10 21:23:44
Move to its own file?
Tom Sepez
2016/03/10 22:05:19
I think that long-term this is becomes a CPDF_Stre
|
+ public: |
+ CPDF_StreamAcc(); |
+ ~CPDF_StreamAcc(); |
+ |
+ void LoadAllData(const CPDF_Stream* pStream, |
+ FX_BOOL bRawAccess = FALSE, |
+ FX_DWORD estimated_size = 0, |
+ FX_BOOL bImageAcc = FALSE); |
+ |
+ const CPDF_Stream* GetStream() const { return m_pStream; } |
+ CPDF_Dictionary* GetDict() const { |
+ return m_pStream ? m_pStream->GetDict() : nullptr; |
+ } |
+ const uint8_t* GetData() const; |
+ FX_DWORD GetSize() const; |
+ const CFX_ByteString& GetImageDecoder() const { return m_ImageDecoder; } |
+ const CPDF_Dictionary* GetImageParam() const { return m_pImageParam; } |
+ |
+ uint8_t* DetachData(); |
+ |
+ protected: |
+ uint8_t* m_pData; |
+ FX_DWORD m_dwSize; |
+ FX_BOOL m_bNewBuf; |
+ CFX_ByteString m_ImageDecoder; |
+ CPDF_Dictionary* m_pImageParam; |
+ const CPDF_Stream* m_pStream; |
+ uint8_t* m_pSrcData; |
+}; |
+ |
+#endif // CORE_INCLUDE_FPDFAPI_CPDF_STREAM_H_ |