1 files changed, 41 insertions, 0 deletions
diff --git a/core/fpdfapi/edit/cpdf_flateencoder.h b/core/fpdfapi/edit/cpdf_flateencoder.h
new file mode 100644
index 0000000000..ac850e2802
--- /dev/null
+++ b/core/fpdfapi/edit/cpdf_flateencoder.h
@@ -0,0 +1,41 @@
+// Copyright 2017 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_FPDFAPI_EDIT_CPDF_FLATEENCODER_H_
+#define CORE_FPDFAPI_EDIT_CPDF_FLATEENCODER_H_
+
+#include "core/fpdfapi/parser/cpdf_dictionary.h"
+#include "core/fpdfapi/parser/cpdf_stream_acc.h"
+#include "core/fxcrt/cfx_maybe_owned.h"
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_memory.h"
+
+class CPDF_Stream;
+
+class CPDF_FlateEncoder {
+ public:
+  CPDF_FlateEncoder(CPDF_Stream* pStream, bool bFlateEncode);
+  CPDF_FlateEncoder(const uint8_t* pBuffer,
+                    uint32_t size,
+                    bool bFlateEncode,
+                    bool bXRefStream);
+  ~CPDF_FlateEncoder();
+
+  void CloneDict();
+
+  uint32_t GetSize() const { return m_dwSize; }
+  uint8_t* GetData() const { return m_pData.Get(); }
+
+  CPDF_Dictionary* GetDict() { return m_pDict.Get(); }
+
+ private:
+  uint32_t m_dwSize;
+  CFX_MaybeOwned<uint8_t, FxFreeDeleter> m_pData;
+  CFX_MaybeOwned<CPDF_Dictionary> m_pDict;
+  CFX_RetainPtr<CPDF_StreamAcc> m_pAcc;
+};
+
+#endif  // CORE_FPDFAPI_EDIT_CPDF_FLATEENCODER_H_