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-rw-r--r--core/fpdfdoc/include/fpdf_tagged.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/core/fpdfdoc/include/fpdf_tagged.h b/core/fpdfdoc/include/fpdf_tagged.h
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+++ b/core/fpdfdoc/include/fpdf_tagged.h
@@ -0,0 +1,93 @@
+// 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_INCLUDE_FPDF_TAGGED_H_
+#define CORE_FPDFDOC_INCLUDE_FPDF_TAGGED_H_
+
+#include "core/fxge/include/fx_dib.h"
+
+class CPDF_Dictionary;
+class CPDF_Document;
+class IPDF_StructElement;
+
+class IPDF_StructTree {
+ public:
+ static IPDF_StructTree* LoadDoc(const CPDF_Document* pDoc);
+ static IPDF_StructTree* LoadPage(const CPDF_Document* pDoc,
+ const CPDF_Dictionary* pPageDict);
+
+ virtual ~IPDF_StructTree() {}
+
+ virtual int CountTopElements() const = 0;
+ virtual IPDF_StructElement* GetTopElement(int i) const = 0;
+};
+
+struct CPDF_StructKid {
+ enum { Invalid, Element, PageContent, StreamContent, Object } m_Type;
+
+ union {
+ struct {
+ IPDF_StructElement* m_pElement;
+ CPDF_Dictionary* m_pDict;
+ } m_Element;
+ struct {
+ uint32_t m_PageObjNum;
+ uint32_t m_ContentId;
+ } m_PageContent;
+ struct {
+ uint32_t m_PageObjNum;
+ uint32_t m_ContentId;
+ uint32_t m_RefObjNum;
+ } m_StreamContent;
+ struct {
+ uint32_t m_PageObjNum;
+ uint32_t m_RefObjNum;
+ } m_Object;
+ };
+};
+
+class IPDF_StructElement {
+ public:
+ virtual ~IPDF_StructElement() {}
+
+ 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 const CPDF_StructKid& GetKid(int index) const = 0;
+
+ virtual CPDF_Object* GetAttr(const CFX_ByteStringC& owner,
+ const CFX_ByteStringC& name,
+ FX_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,
+ FX_BOOL bInheritable = FALSE,
+ int subindex = -1) = 0;
+
+ virtual FX_ARGB GetColor(const CFX_ByteStringC& owner,
+ const CFX_ByteStringC& name,
+ FX_ARGB default_value,
+ FX_BOOL bInheritable = FALSE,
+ int subindex = -1) = 0;
+
+ virtual FX_FLOAT GetNumber(const CFX_ByteStringC& owner,
+ const CFX_ByteStringC& name,
+ FX_FLOAT default_value,
+ FX_BOOL bInheritable = FALSE,
+ int subindex = -1) = 0;
+
+ virtual int GetInteger(const CFX_ByteStringC& owner,
+ const CFX_ByteStringC& name,
+ int default_value,
+ FX_BOOL bInheritable = FALSE,
+ int subindex = -1) = 0;
+};
+
+#endif // CORE_FPDFDOC_INCLUDE_FPDF_TAGGED_H_