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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_CPDFSDK_HELPERS_H_
#define FPDFSDK_CPDFSDK_HELPERS_H_
#include "core/fpdfapi/parser/cpdf_parser.h"
#include "core/fxge/dib/cfx_dibitmap.h"
#include "core/fxge/fx_dib.h"
#include "public/fpdf_doc.h"
#include "public/fpdfview.h"
#ifdef PDF_ENABLE_XFA
#include "core/fxcrt/fx_stream.h"
#endif // PDF_ENABLE_XFA
#ifdef _WIN32
#include <math.h>
#include <tchar.h>
#endif
class CPDF_Annot;
class CPDF_Page;
class CPDF_PageObject;
class CPDF_PageRenderContext;
class CPDF_PathObject;
class CPDF_Stream;
class IPDFSDK_PauseAdapter;
class FX_PATHPOINT;
#ifdef PDF_ENABLE_XFA
class CPDFXFA_Context;
class CPDFXFA_Page;
#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_Context;
using UnderlyingPageType = CPDFXFA_Page;
#endif // PDF_ENABLE_XFA
// Conversions to/from underlying types.
UnderlyingDocumentType* UnderlyingFromFPDFDocument(FPDF_DOCUMENT 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);
CPDF_PageObject* CPDFPageObjectFromFPDFPageObject(FPDF_PAGEOBJECT page_object);
ByteString CFXByteStringFromFPDFWideString(FPDF_WIDESTRING wide_string);
CFX_DIBitmap* CFXBitmapFromFPDFBitmap(FPDF_BITMAP bitmap);
#ifdef PDF_ENABLE_XFA
// Layering prevents fxcrt from knowing about FPDF_FILEHANDLER, so this can't
// be a static method of IFX_SeekableStream.
RetainPtr<IFX_SeekableStream> MakeSeekableStream(
FPDF_FILEHANDLER* pFileHandler);
#endif // PDF_ENABLE_XFA
CPDF_Array* GetQuadPointsArrayFromDictionary(const CPDF_Dictionary* dict);
CPDF_Array* AddQuadPointsArrayToDictionary(CPDF_Dictionary* dict);
bool IsValidQuadPointsIndex(const CPDF_Array* array, size_t index);
bool GetQuadPointsAtIndex(const CPDF_Array* array,
size_t quad_index,
FS_QUADPOINTSF* quad_points);
CFX_FloatRect CFXFloatRectFromFSRECTF(const FS_RECTF& rect);
void FSRECTFFromCFXFloatRect(const CFX_FloatRect& rect, FS_RECTF* out_rect);
unsigned long Utf16EncodeMaybeCopyAndReturnLength(const WideString& text,
void* buffer,
unsigned long buflen);
unsigned long DecodeStreamMaybeCopyAndReturnLength(const CPDF_Stream* stream,
void* buffer,
unsigned long buflen);
void FSDK_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable);
FPDF_BOOL FSDK_IsSandBoxPolicyEnabled(FPDF_DWORD policy);
// TODO(dsinclair): Where should this live?
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,
bool bNeedToRestore,
IPDFSDK_PauseAdapter* pause);
void CheckUnSupportError(CPDF_Document* pDoc, uint32_t err_code);
void CheckUnSupportAnnot(CPDF_Document* pDoc, const CPDF_Annot* pPDFAnnot);
#ifndef _WIN32
void SetLastError(int err);
int GetLastError();
#endif // _WIN32
void ProcessParseError(CPDF_Parser::Error err);
// TODO(dsinclair): This seems like it should be a public API?
FPDF_BOOL FPDFPageObj_SetFillColor(FPDF_PAGEOBJECT page_object,
unsigned int R,
unsigned int G,
unsigned int B,
unsigned int A);
#endif // FPDFSDK_CPDFSDK_HELPERS_H_
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