blob: 16b28ba06fd578167c0f9e9a2f0b2926d7545310 [file] [log] [blame]
// 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.
#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 final : public Retainable {
enum UsageType { View = 0, Design, Print, Export };
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
bool CheckOCGVisible(const CPDF_Dictionary* pOCGDict);
bool CheckObjectVisible(const CPDF_PageObject* pObj);
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(const 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;