blob: 07b41cc552d68235c999f0038025b59facb00a13 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
// Copyright 2016 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_CPDF_OCCONTEXT_H_
#define CORE_FPDFDOC_CPDF_OCCONTEXT_H_
#include <map>
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
class CPDF_Array;
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_PageObject;
class CPDF_OCContext : public Retainable {
public:
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
enum UsageType { View = 0, Design, Print, Export };
bool CheckOCGVisible(const CPDF_Dictionary* pOCGDict);
bool CheckObjectVisible(const CPDF_PageObject* pObj);
private:
CPDF_OCContext(CPDF_Document* pDoc, UsageType eUsageType);
~CPDF_OCContext() override;
bool LoadOCGStateFromConfig(const ByteString& csConfig,
const CPDF_Dictionary* pOCGDict) const;
bool LoadOCGState(const CPDF_Dictionary* pOCGDict) const;
bool GetOCGVisible(const CPDF_Dictionary* pOCGDict);
bool GetOCGVE(CPDF_Array* pExpression, int nLevel);
bool LoadOCMDState(const CPDF_Dictionary* pOCMDDict);
UnownedPtr<CPDF_Document> const m_pDocument;
const UsageType m_eUsageType;
std::map<const CPDF_Dictionary*, bool> m_OCGStates;
};
#endif // CORE_FPDFDOC_CPDF_OCCONTEXT_H_
|
