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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_INCLUDE_FSDK_DEFINE_H_
#define FPDFSDK_INCLUDE_FSDK_DEFINE_H_
#include "core/fpdfapi/fpdf_parser/cpdf_parser.h"
#include "core/fxge/fx_dib.h"
#include "public/fpdfview.h"
#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/fpdfxfa_doc.h"
#endif // PDF_ENABLE_XFA
#ifdef _WIN32
#include <math.h>
#include <tchar.h>
#endif
class CPDF_Annot;
class CPDF_Page;
class CPDF_PageRenderContext;
class IFSDK_PAUSE_Adapter;
class CPDF_CustomAccess final : public IFX_FileRead {
public:
explicit CPDF_CustomAccess(FPDF_FILEACCESS* pFileAccess);
~CPDF_CustomAccess() override {}
// IFX_FileRead
FX_FILESIZE GetSize() override;
void Release() override;
FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
#ifdef PDF_ENABLE_XFA
virtual CFX_ByteString GetFullPath();
virtual FX_BOOL GetByte(uint32_t pos, uint8_t& ch);
virtual FX_BOOL GetBlock(uint32_t pos, uint8_t* pBuf, uint32_t size);
#endif // PDF_ENABLE_XFA
private:
FPDF_FILEACCESS m_FileAccess;
#ifdef PDF_ENABLE_XFA
uint8_t m_Buffer[512];
uint32_t m_BufferOffset;
#endif // PDF_ENABLE_XFA
};
#ifdef PDF_ENABLE_XFA
class CFPDF_FileStream : public IFX_FileStream {
public:
explicit CFPDF_FileStream(FPDF_FILEHANDLER* pFS);
~CFPDF_FileStream() override {}
// IFX_FileStream:
IFX_FileStream* Retain() override;
void Release() override;
FX_FILESIZE GetSize() override;
FX_BOOL IsEOF() override;
FX_FILESIZE GetPosition() override;
FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override;
size_t ReadBlock(void* buffer, size_t size) override;
FX_BOOL WriteBlock(const void* buffer,
FX_FILESIZE offset,
size_t size) override;
FX_BOOL Flush() override;
void SetPosition(FX_FILESIZE pos) { m_nCurPos = pos; }
protected:
FPDF_FILEHANDLER* m_pFS;
FX_FILESIZE m_nCurPos;
};
#endif // PDF_ENABLE_XFA
// Object types for public FPDF_ types; these correspond to next layer down
// from fpdfsdk. For master, these are CPDF_ types, but for XFA, these are
// CPDFXFA_ types.
#ifndef PDF_ENABLE_XFA
using UnderlyingDocumentType = CPDF_Document;
using UnderlyingPageType = CPDF_Page;
#else // PDF_ENABLE_XFA
using UnderlyingDocumentType = CPDFXFA_Document;
using UnderlyingPageType = CPDFXFA_Page;
#endif // PDF_ENABLE_XFA
// Conversions to/from underlying types.
UnderlyingDocumentType* UnderlyingFromFPDFDocument(FPDF_DOCUMENT doc);
FPDF_DOCUMENT FPDFDocumentFromUnderlying(UnderlyingDocumentType* doc);
UnderlyingPageType* UnderlyingFromFPDFPage(FPDF_PAGE page);
// Conversions to/from FPDF_ types.
CPDF_Document* CPDFDocumentFromFPDFDocument(FPDF_DOCUMENT doc);
FPDF_DOCUMENT FPDFDocumentFromCPDFDocument(CPDF_Document* doc);
CPDF_Page* CPDFPageFromFPDFPage(FPDF_PAGE page);
CFX_DIBitmap* CFXBitmapFromFPDFBitmap(FPDF_BITMAP bitmap);
void FSDK_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable);
FPDF_BOOL FSDK_IsSandBoxPolicyEnabled(FPDF_DWORD policy);
void FPDF_RenderPage_Retail(CPDF_PageRenderContext* pContext,
FPDF_PAGE page,
int start_x,
int start_y,
int size_x,
int size_y,
int rotate,
int flags,
FX_BOOL bNeedToRestore,
IFSDK_PAUSE_Adapter* pause);
void CheckUnSupportError(CPDF_Document* pDoc, uint32_t err_code);
void CheckUnSupportAnnot(CPDF_Document* pDoc, const CPDF_Annot* pPDFAnnot);
void ProcessParseError(CPDF_Parser::Error err);
#endif // FPDFSDK_INCLUDE_FSDK_DEFINE_H_
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