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// Copyright 2018 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.
#ifndef CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTMANAGER_H_
#define CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTMANAGER_H_
#include <sstream>
#include "core/fxcrt/unowned_ptr.h"
class CPDF_Array;
class CPDF_Document;
class CPDF_Object;
class CPDF_Stream;
class CPDF_PageObjectHolder;
class CPDF_PageContentManager {
public:
explicit CPDF_PageContentManager(CPDF_PageObjectHolder* pObjHolder);
~CPDF_PageContentManager();
// Gets the Content stream at a given index. If Contents is a single stream
// rather than an array, it is considered to be at index 0.
CPDF_Stream* GetStreamByIndex(size_t stream_index);
// Adds a new Content stream. Its index in the array will be returned, or 0
// if Contents is not an array, but only a single stream.
size_t AddStream(std::ostringstream* buf);
private:
UnownedPtr<CPDF_PageObjectHolder> const obj_holder_;
UnownedPtr<CPDF_Document> const doc_;
UnownedPtr<CPDF_Array> contents_array_;
UnownedPtr<CPDF_Stream> contents_stream_;
};
#endif // CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTMANAGER_H_
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