// 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 <memory> #include "core/fxcrt/fx_system.h" class CFX_Matrix; class CPDFXFA_Context; class CPDF_Dictionary; class CPDF_Page; class CXFA_FFPageView; class CPDFXFA_Page { public: CPDFXFA_Page(CPDFXFA_Context* pContext, int page_index); void Retain() { m_iRef++; } void Release() { if (--m_iRef <= 0) delete this; } bool LoadPage(); bool LoadPDFPage(CPDF_Dictionary* pageDict); CPDFXFA_Context* GetContext() const { return m_pContext; } int GetPageIndex() const { return m_iPageIndex; } CPDF_Page* GetPDFPage() const { return m_pPDFPage.get(); } CXFA_FFPageView* GetXFAPageView() const { return m_pXFAPageView; } void SetXFAPageView(CXFA_FFPageView* pPageView) { m_pXFAPageView = pPageView; } FX_FLOAT GetPageWidth() const; FX_FLOAT GetPageHeight() const; void DeviceToPage(int start_x, int start_y, int size_x, int size_y, int rotate, int device_x, int device_y, double* page_x, double* page_y); void PageToDevice(int start_x, int start_y, int size_x, int size_y, int rotate, double page_x, double page_y, int* device_x, int* device_y); void GetDisplayMatrix(CFX_Matrix& matrix, int xPos, int yPos, int xSize, int ySize, int iRotate) const; protected: // Refcounted class. ~CPDFXFA_Page(); bool LoadPDFPage(); bool LoadXFAPageView(); private: std::unique_ptr<CPDF_Page> m_pPDFPage; CXFA_FFPageView* m_pXFAPageView; CPDFXFA_Context* const m_pContext; const int m_iPageIndex; int m_iRef; }; #endif // FPDFSDK_FPDFXFA_CPDFXFA_PAGE_H_