| // 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/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(); |
| bool LoadPDFPage(CPDF_Dictionary* pageDict); |
| CPDF_Document::Extension* GetDocumentExtension() const; |
| int GetPageIndex() const { return m_iPageIndex; } |
| CXFA_FFPageView* GetXFAPageView() const { return m_pXFAPageView; } |
| void SetXFAPageView(CXFA_FFPageView* pPageView) { |
| m_pXFAPageView = pPageView; |
| } |
| |
| protected: |
| // Refcounted class. |
| CPDFXFA_Page(CPDFXFA_Context* pContext, int page_index); |
| ~CPDFXFA_Page() override; |
| |
| bool LoadPDFPage(); |
| bool LoadXFAPageView(); |
| |
| private: |
| RetainPtr<CPDF_Page> m_pPDFPage; |
| CXFA_FFPageView* m_pXFAPageView; |
| UnownedPtr<CPDFXFA_Context> const m_pContext; |
| const int m_iPageIndex; |
| }; |
| |
| #endif // FPDFSDK_FPDFXFA_CPDFXFA_PAGE_H_ |