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// Copyright 2014 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_FPDFDOC_FPDF_TAGGED_H_
#define CORE_FPDFDOC_FPDF_TAGGED_H_
#include <memory>
#include "core/fxge/fx_dib.h"
class CPDF_Dictionary;
class CPDF_Document;
class IPDF_StructElement;
class IPDF_StructTree {
public:
static std::unique_ptr<IPDF_StructTree> LoadPage(
const CPDF_Document* pDoc,
const CPDF_Dictionary* pPageDict);
virtual int CountTopElements() const = 0;
virtual IPDF_StructElement* GetTopElement(int i) const = 0;
protected:
friend std::default_delete<IPDF_StructTree>;
virtual ~IPDF_StructTree() {}
};
class IPDF_StructElement {
public:
virtual IPDF_StructTree* GetTree() const = 0;
virtual const CFX_ByteString& GetType() const = 0;
virtual IPDF_StructElement* GetParent() const = 0;
virtual CPDF_Dictionary* GetDict() const = 0;
virtual int CountKids() const = 0;
virtual IPDF_StructElement* GetKidIfElement(int index) const = 0;
virtual CPDF_Object* GetAttr(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
bool bInheritable = false,
FX_FLOAT fLevel = 0.0F) = 0;
virtual CFX_ByteString GetName(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
const CFX_ByteStringC& default_value,
bool bInheritable = false,
int subindex = -1) = 0;
virtual FX_ARGB GetColor(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
FX_ARGB default_value,
bool bInheritable = false,
int subindex = -1) = 0;
virtual FX_FLOAT GetNumber(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
FX_FLOAT default_value,
bool bInheritable = false,
int subindex = -1) = 0;
virtual int GetInteger(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
int default_value,
bool bInheritable = false,
int subindex = -1) = 0;
protected:
virtual ~IPDF_StructElement() {}
};
#endif // CORE_FPDFDOC_FPDF_TAGGED_H_
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