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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 FPDFSDK_FPDFXFA_CPDFXFA_PAGE_H_
#define FPDFSDK_FPDFXFA_CPDFXFA_PAGE_H_
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/page/ipdf_page.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/unowned_ptr.h"
#include "third_party/base/optional.h"
class CPDF_Dictionary;
class CPDFXFA_Context;
class CXFA_FFPageView;
class CPDFXFA_Page final : public IPDF_Page {
public:
template <typename T, typename... Args>
friend RetainPtr<T> pdfium::MakeRetain(Args&&... args);
// IPDF_Page:
CPDF_Page* AsPDFPage() override;
CPDFXFA_Page* AsXFAPage() override;
CPDF_Document* GetDocument() const override;
float GetPageWidth() const override;
float GetPageHeight() const override;
CFX_Matrix GetDisplayMatrix(const FX_RECT& rect, int iRotate) const override;
Optional<CFX_PointF> DeviceToPage(
const FX_RECT& rect,
int rotate,
const CFX_PointF& device_point) const override;
Optional<CFX_PointF> PageToDevice(
const FX_RECT& rect,
int rotate,
const CFX_PointF& page_point) const override;
bool LoadPage();
void LoadPDFPageFromDict(CPDF_Dictionary* pPageDict);
CPDF_Document::Extension* GetDocumentExtension() const;
int GetPageIndex() const { return m_iPageIndex; }
void SetXFAPageViewIndex(int index) { m_iPageIndex = index; }
CXFA_FFPageView* GetXFAPageView() const;
private:
// Refcounted class.
CPDFXFA_Page(CPDFXFA_Context* pContext, int page_index);
~CPDFXFA_Page() override;
bool LoadPDFPage();
RetainPtr<CPDF_Page> m_pPDFPage;
UnownedPtr<CPDFXFA_Context> const m_pContext;
int m_iPageIndex;
};
#endif // FPDFSDK_FPDFXFA_CPDFXFA_PAGE_H_