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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 <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_
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