| // 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. http://www.foxitsoftware.com |
| |
| #ifndef CORE_FPDFAPI_PAGE_CPDF_PAGE_H_ |
| #define CORE_FPDFAPI_PAGE_CPDF_PAGE_H_ |
| |
| #include <memory> |
| |
| #include "core/fpdfapi/page/cpdf_pageobjectholder.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "third_party/base/optional.h" |
| |
| class CPDF_Dictionary; |
| class CPDF_Document; |
| class CPDF_Object; |
| class CPDF_PageRenderCache; |
| class CPDF_PageRenderContext; |
| |
| class CPDF_Page : public CPDF_PageObjectHolder { |
| public: |
| class View {}; // Caller implements as desired, empty here due to layering. |
| |
| CPDF_Page(CPDF_Document* pDocument, |
| CPDF_Dictionary* pPageDict, |
| bool bPageCache); |
| ~CPDF_Page() override; |
| |
| // CPDF_PageObjectHolder: |
| bool IsPage() const override; |
| |
| void ParseContent(); |
| |
| Optional<CFX_PointF> DeviceToPage(const FX_RECT& rect, |
| int rotate, |
| const CFX_PointF& device_point) const; |
| Optional<CFX_PointF> PageToDevice(const FX_RECT& rect, |
| int rotate, |
| double page_x, |
| double page_y) const; |
| |
| CFX_Matrix GetDisplayMatrix(const FX_RECT& rect, int iRotate) const; |
| |
| float GetPageWidth() const { return m_PageSize.width; } |
| float GetPageHeight() const { return m_PageSize.height; } |
| const CFX_SizeF& GetPageSize() const { return m_PageSize; } |
| |
| const CFX_FloatRect& GetPageBBox() const { return m_BBox; } |
| int GetPageRotation() const; |
| CPDF_PageRenderCache* GetRenderCache() const { return m_pPageRender.get(); } |
| |
| CPDF_PageRenderContext* GetRenderContext() const { |
| return m_pRenderContext.get(); |
| } |
| void SetRenderContext(std::unique_ptr<CPDF_PageRenderContext> pContext); |
| |
| View* GetView() const { return m_pView; } |
| void SetView(View* pView) { m_pView = pView; } |
| |
| private: |
| void StartParse(); |
| |
| CPDF_Object* GetPageAttr(const ByteString& name) const; |
| CFX_FloatRect GetBox(const ByteString& name) const; |
| |
| CFX_SizeF m_PageSize; |
| CFX_Matrix m_PageMatrix; |
| View* m_pView = nullptr; |
| std::unique_ptr<CPDF_PageRenderCache> m_pPageRender; |
| std::unique_ptr<CPDF_PageRenderContext> m_pRenderContext; |
| }; |
| |
| #endif // CORE_FPDFAPI_PAGE_CPDF_PAGE_H_ |