// 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 _FPDF_PAGE_ | |
#define _FPDF_PAGE_ | |
#ifndef _FPDF_PARSER_ | |
#include "fpdf_parser.h" | |
#endif | |
#ifndef _FPDF_RESOURCE_ | |
#include "fpdf_resource.h" | |
#endif | |
#ifndef _FX_DIB_H_ | |
#include "../fxge/fx_dib.h" | |
#endif | |
class CPDF_PageObjects; | |
class CPDF_Page; | |
class CPDF_Form; | |
class CPDF_ParseOptions; | |
class CPDF_PageObject; | |
class CPDF_PageRenderCache; | |
class CPDF_StreamFilter; | |
class CPDF_AllStates; | |
class CPDF_ContentParser; | |
class CPDF_StreamContentParser; | |
class CPDF_ResourceNaming; | |
#define PDFTRANS_GROUP 0x0100 | |
#define PDFTRANS_ISOLATED 0x0200 | |
#define PDFTRANS_KNOCKOUT 0x0400 | |
#define PDF_CONTENT_NOT_PARSED 0 | |
#define PDF_CONTENT_PARSING 1 | |
#define PDF_CONTENT_PARSED 2 | |
class CPDF_PageObjects : public CFX_Object | |
{ | |
public: | |
CPDF_PageObjects(FX_BOOL bReleaseMembers = TRUE); | |
~CPDF_PageObjects(); | |
void ContinueParse(IFX_Pause* pPause); | |
int GetParseState() const | |
{ | |
return m_ParseState; | |
} | |
FX_BOOL IsParsed() const | |
{ | |
return m_ParseState == PDF_CONTENT_PARSED; | |
} | |
int EstimateParseProgress() const; | |
FX_POSITION GetFirstObjectPosition() const | |
{ | |
return m_ObjectList.GetHeadPosition(); | |
} | |
FX_POSITION GetLastObjectPosition() const | |
{ | |
return m_ObjectList.GetTailPosition(); | |
} | |
CPDF_PageObject* GetNextObject(FX_POSITION& pos) const | |
{ | |
return (CPDF_PageObject*)m_ObjectList.GetNext(pos); | |
} | |
CPDF_PageObject* GetPrevObject(FX_POSITION& pos) const | |
{ | |
return (CPDF_PageObject*)m_ObjectList.GetPrev(pos); | |
} | |
CPDF_PageObject* GetObjectAt(FX_POSITION pos) const | |
{ | |
return (CPDF_PageObject*)m_ObjectList.GetAt(pos); | |
} | |
FX_DWORD CountObjects() const | |
{ | |
return m_ObjectList.GetCount(); | |
} | |
int GetObjectIndex(CPDF_PageObject* pObj) const; | |
CPDF_PageObject* GetObjectByIndex(int index) const; | |
FX_POSITION InsertObject(FX_POSITION posInsertAfter, CPDF_PageObject* pNewObject); | |
void Transform(const CFX_AffineMatrix& matrix); | |
FX_BOOL BackgroundAlphaNeeded() const | |
{ | |
return m_bBackgroundAlphaNeeded; | |
} | |
CFX_FloatRect CalcBoundingBox() const; | |
CPDF_Dictionary* m_pFormDict; | |
CPDF_Stream* m_pFormStream; | |
CPDF_Document* m_pDocument; | |
CPDF_Dictionary* m_pPageResources; | |
CPDF_Dictionary* m_pResources; | |
CFX_FloatRect m_BBox; | |
int m_Transparency; | |
protected: | |
friend class CPDF_ContentParser; | |
friend class CPDF_StreamContentParser; | |
friend class CPDF_AllStates; | |
CFX_PtrList m_ObjectList; | |
FX_BOOL m_bBackgroundAlphaNeeded; | |
FX_BOOL m_bReleaseMembers; | |
void LoadTransInfo(); | |
void ClearCacheObjects(); | |
CPDF_ContentParser* m_pParser; | |
FX_BOOL m_ParseState; | |
}; | |
class CPDF_Page : public CPDF_PageObjects, public CFX_PrivateData | |
{ | |
public: | |
CPDF_Page(); | |
~CPDF_Page(); | |
void Load(CPDF_Document* pDocument, CPDF_Dictionary* pPageDict, FX_BOOL bPageCache = TRUE); | |
void StartParse(CPDF_ParseOptions* pOptions = NULL, FX_BOOL bReParse = FALSE); | |
void ParseContent(CPDF_ParseOptions* pOptions = NULL, FX_BOOL bReParse = FALSE); | |
void GetDisplayMatrix(CFX_AffineMatrix& matrix, int xPos, int yPos, | |
int xSize, int ySize, int iRotate) const; | |
FX_FLOAT GetPageWidth() const | |
{ | |
return m_PageWidth; | |
} | |
FX_FLOAT GetPageHeight() const | |
{ | |
return m_PageHeight; | |
} | |
CFX_FloatRect GetPageBBox() const | |
{ | |
return m_BBox; | |
} | |
const CFX_AffineMatrix& GetPageMatrix() const | |
{ | |
return m_PageMatrix; | |
} | |
CPDF_Object* GetPageAttr(FX_BSTR name) const; | |
CPDF_PageRenderCache* GetRenderCache() const | |
{ | |
return m_pPageRender; | |
} | |
void ClearRenderCache(); | |
protected: | |
friend class CPDF_ContentParser; | |
FX_FLOAT m_PageWidth; | |
FX_FLOAT m_PageHeight; | |
CFX_AffineMatrix m_PageMatrix; | |
CPDF_PageRenderCache* m_pPageRender; | |
}; | |
class CPDF_ParseOptions : public CFX_Object | |
{ | |
public: | |
CPDF_ParseOptions(); | |
FX_BOOL m_bTextOnly; | |
FX_BOOL m_bMarkedContent; | |
FX_BOOL m_bSeparateForm; | |
FX_BOOL m_bDecodeInlineImage; | |
}; | |
class CPDF_Form : public CPDF_PageObjects | |
{ | |
public: | |
CPDF_Form(CPDF_Document* pDocument, CPDF_Dictionary* pPageResources, CPDF_Stream* pFormStream, CPDF_Dictionary* pParentResources = NULL); | |
~CPDF_Form(); | |
void StartParse(CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix, | |
CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level = 0); | |
void ParseContent(CPDF_AllStates* pGraphicStates, CFX_AffineMatrix* pParentMatrix, | |
CPDF_Type3Char* pType3Char, CPDF_ParseOptions* pOptions, int level = 0); | |
CPDF_Form* Clone() const; | |
}; | |
class CPDF_PageContentGenerate : public CFX_Object | |
{ | |
public: | |
CPDF_PageContentGenerate(CPDF_Page* pPage); | |
~CPDF_PageContentGenerate(); | |
FX_BOOL InsertPageObject(CPDF_PageObject* pPageObject); | |
void GenerateContent(); | |
void TransformContent(CFX_Matrix& matrix); | |
protected: | |
void ProcessImage(CFX_ByteTextBuf& buf, CPDF_ImageObject* pImageObj); | |
void ProcessForm(CFX_ByteTextBuf& buf, FX_LPCBYTE data, FX_DWORD size, CFX_Matrix& matrix); | |
CFX_ByteString RealizeResource(CPDF_Object* pResourceObj, const FX_CHAR* szType); | |
private: | |
CPDF_Page* m_pPage; | |
CPDF_Document* m_pDocument; | |
CFX_PtrArray m_pageObjects; | |
}; | |
#endif |