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// 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"
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();
CFX_Matrix GetDisplayMatrix(int xPos,
int yPos,
int xSize,
int ySize,
int iRotate) const;
CFX_Matrix GetDisplayMatrixWithTransformation(
int xPos,
int yPos,
int xSize,
int ySize,
const CFX_Matrix& transformation);
float GetPageWidth() const { return m_PageWidth; }
float GetPageHeight() const { return m_PageHeight; }
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 CFX_ByteString& name) const;
CFX_FloatRect GetBox(const CFX_ByteString& name) const;
float m_PageWidth;
float m_PageHeight;
CFX_Matrix m_PageMatrix;
View* m_pView;
std::unique_ptr<CPDF_PageRenderCache> m_pPageRender;
std::unique_ptr<CPDF_PageRenderContext> m_pRenderContext;
};
#endif // CORE_FPDFAPI_PAGE_CPDF_PAGE_H_
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