chromium/third_party/pdfium/core/fpdfapi/page/ipdf_page.h

// Copyright 2018 The PDFium Authors
// 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_FPDFAPI_PAGE_IPDF_PAGE_H_
#define CORE_FPDFAPI_PAGE_IPDF_PAGE_H_

#include <optional>

#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/retain_ptr.h"

class CPDF_Document;
class CPDF_Page;

// Small layering violation, incomplete type and always null if non-XFA.
class CPDFXFA_Page;

// Interface implemented by both page types (CPDF_Page and CPDFXFA_Page).
class IPDF_Page : public Retainable { … };

inline CPDF_Page* ToPDFPage(IPDF_Page* pBase) { … }

inline CPDFXFA_Page* ToXFAPage(IPDF_Page* pBase) { … }

#endif  // CORE_FPDFAPI_PAGE_IPDF_PAGE_H_