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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_INCLUDE_FPDFDOC_FPDF_TAGGED_H_
#define CORE_INCLUDE_FPDFDOC_FPDF_TAGGED_H_
class CPDF_Document;
class CPDF_Page;
class CPDF_StructElement;
class CPDF_StructTree;
class IPDF_ReflowedPage;
struct CPDF_StructKid;
class CPDF_StructTree
{
public:
static CPDF_StructTree* LoadDoc(const CPDF_Document* pDoc);
static CPDF_StructTree* LoadPage(const CPDF_Document* pDoc, const CPDF_Dictionary* pPageDict);
virtual ~CPDF_StructTree() {}
virtual int CountTopElements() const = 0;
virtual CPDF_StructElement* GetTopElement(int i) const = 0;
};
struct CPDF_StructKid {
enum {
Invalid,
Element,
PageContent,
StreamContent,
Object
} m_Type;
union {
struct {
CPDF_StructElement* m_pElement;
CPDF_Dictionary* m_pDict;
} m_Element;
struct {
FX_DWORD m_PageObjNum;
FX_DWORD m_ContentId;
} m_PageContent;
struct {
FX_DWORD m_PageObjNum;
FX_DWORD m_ContentId;
FX_DWORD m_RefObjNum;
} m_StreamContent;
struct {
FX_DWORD m_PageObjNum;
FX_DWORD m_RefObjNum;
} m_Object;
};
};
class CPDF_StructElement
{
public:
virtual ~CPDF_StructElement() { }
virtual CPDF_StructTree* GetTree() const = 0;
virtual const CFX_ByteString& GetType() const = 0;
virtual CPDF_StructElement* GetParent() const = 0;
virtual CPDF_Dictionary * GetDict() const = 0;
virtual int CountKids() const = 0;
virtual const CPDF_StructKid& GetKid(int index) const = 0;
virtual CFX_PtrArray* GetObjectArray() = 0;
virtual CPDF_Object* GetAttr(FX_BSTR owner, FX_BSTR name, FX_BOOL bInheritable = FALSE, FX_FLOAT fLevel = 0.0F) = 0;
virtual CFX_ByteString GetName(FX_BSTR owner, FX_BSTR name, FX_BSTR default_value, FX_BOOL bInheritable = FALSE, int subindex = -1) = 0;
virtual FX_ARGB GetColor(FX_BSTR owner, FX_BSTR name, FX_ARGB default_value, FX_BOOL bInheritable = FALSE, int subindex = -1) = 0;
virtual FX_FLOAT GetNumber(FX_BSTR owner, FX_BSTR name, FX_FLOAT default_value, FX_BOOL bInheritable = FALSE, int subindex = -1) = 0;
virtual int GetInteger(FX_BSTR owner, FX_BSTR name, int default_value, FX_BOOL bInheritable = FALSE, int subindex = -1) = 0;
};
#endif // CORE_INCLUDE_FPDFDOC_FPDF_TAGGED_H_
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