diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_page/pageint.h')
-rw-r--r-- | core/src/fpdfapi/fpdf_page/pageint.h | 459 |
1 files changed, 0 insertions, 459 deletions
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h deleted file mode 100644 index 517c0a4055..0000000000 --- a/core/src/fpdfapi/fpdf_page/pageint.h +++ /dev/null @@ -1,459 +0,0 @@ -// 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 CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_ -#define CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_ - -#include <map> -#include <memory> -#include <unordered_map> -#include <vector> - -#include "core/include/fpdfapi/fpdf_page.h" -#include "core/include/fpdfapi/fpdf_pageobj.h" - -class CPDF_AllStates; -class CPDF_ParseOptions; -class CPDF_IccProfile; - -#define PARSE_STEP_LIMIT 100 - -class CPDF_StreamParser { - public: - enum SyntaxType { EndOfData, Number, Keyword, Name, Others }; - - CPDF_StreamParser(const uint8_t* pData, FX_DWORD dwSize); - ~CPDF_StreamParser(); - - CPDF_Stream* ReadInlineStream(CPDF_Document* pDoc, - CPDF_Dictionary* pDict, - CPDF_Object* pCSObj, - FX_BOOL bDecode); - SyntaxType ParseNextElement(); - uint8_t* GetWordBuf() { return m_WordBuffer; } - FX_DWORD GetWordSize() const { return m_WordSize; } - CPDF_Object* GetObject() { - CPDF_Object* pObj = m_pLastObj; - m_pLastObj = NULL; - return pObj; - } - FX_DWORD GetPos() const { return m_Pos; } - void SetPos(FX_DWORD pos) { m_Pos = pos; } - CPDF_Object* ReadNextObject(FX_BOOL bAllowNestedArray = FALSE, - FX_BOOL bInArray = FALSE); - void SkipPathObject(); - - protected: - friend class fpdf_page_parser_old_ReadHexString_Test; - - void GetNextWord(FX_BOOL& bIsNumber); - CFX_ByteString ReadString(); - CFX_ByteString ReadHexString(); - const uint8_t* m_pBuf; - - // Length in bytes of m_pBuf. - FX_DWORD m_Size; - - // Current byte position within m_pBuf. - FX_DWORD m_Pos; - - uint8_t m_WordBuffer[256]; - FX_DWORD m_WordSize; - CPDF_Object* m_pLastObj; - - private: - bool PositionIsInBounds() const; -}; - -#define PARAM_BUF_SIZE 16 -struct ContentParam { - enum Type { OBJECT = 0, NUMBER, NAME }; - Type m_Type; - union { - struct { - FX_BOOL m_bInteger; - union { - int m_Integer; - FX_FLOAT m_Float; - }; - } m_Number; - CPDF_Object* m_pObject; - struct { - int m_Len; - char m_Buffer[32]; - } m_Name; - }; -}; -#define _FPDF_MAX_FORM_LEVEL_ 30 -#define _FPDF_MAX_TYPE3_FORM_LEVEL_ 4 -#define _FPDF_MAX_OBJECT_STACK_SIZE_ 512 -class CPDF_StreamContentParser { - public: - CPDF_StreamContentParser(CPDF_Document* pDoc, - CPDF_Dictionary* pPageResources, - CPDF_Dictionary* pParentResources, - CFX_Matrix* pmtContentToUser, - CPDF_PageObjectHolder* pObjectHolder, - CPDF_Dictionary* pResources, - CFX_FloatRect* pBBox, - CPDF_ParseOptions* pOptions, - CPDF_AllStates* pAllStates, - int level); - ~CPDF_StreamContentParser(); - - CPDF_PageObjectHolder* GetPageObjectHolder() const { return m_pObjectHolder; } - CPDF_AllStates* GetCurStates() const { return m_pCurStates.get(); } - FX_BOOL IsColored() const { return m_bColored; } - const FX_FLOAT* GetType3Data() const { return m_Type3Data; } - - void AddNumberParam(const FX_CHAR* str, int len); - void AddObjectParam(CPDF_Object* pObj); - void AddNameParam(const FX_CHAR* name, int size); - int GetNextParamPos(); - void ClearAllParams(); - CPDF_Object* GetObject(FX_DWORD index); - CFX_ByteString GetString(FX_DWORD index); - FX_FLOAT GetNumber(FX_DWORD index); - FX_FLOAT GetNumber16(FX_DWORD index); - int GetInteger(FX_DWORD index) { return (int32_t)(GetNumber(index)); } - void OnOperator(const FX_CHAR* op); - void BigCaseCaller(int index); - FX_DWORD GetParsePos() { return m_pSyntax->GetPos(); } - void AddTextObject(CFX_ByteString* pText, - FX_FLOAT fInitKerning, - FX_FLOAT* pKerning, - int count); - - void ConvertUserSpace(FX_FLOAT& x, FX_FLOAT& y); - void ConvertTextSpace(FX_FLOAT& x, FX_FLOAT& y); - void OnChangeTextMatrix(); - FX_DWORD Parse(const uint8_t* pData, FX_DWORD dwSize, FX_DWORD max_cost); - void ParsePathObject(); - void AddPathPoint(FX_FLOAT x, FX_FLOAT y, int flag); - void AddPathRect(FX_FLOAT x, FX_FLOAT y, FX_FLOAT w, FX_FLOAT h); - void AddPathObject(int FillType, FX_BOOL bStroke); - CPDF_ImageObject* AddImage(CPDF_Stream* pStream, - CPDF_Image* pImage, - FX_BOOL bInline); - void AddDuplicateImage(); - void AddForm(CPDF_Stream* pStream); - void SetGraphicStates(CPDF_PageObject* pObj, - FX_BOOL bColor, - FX_BOOL bText, - FX_BOOL bGraph); - void SaveStates(CPDF_AllStates* pState); - void RestoreStates(CPDF_AllStates* pState); - CPDF_Font* FindFont(const CFX_ByteString& name); - CPDF_ColorSpace* FindColorSpace(const CFX_ByteString& name); - CPDF_Pattern* FindPattern(const CFX_ByteString& name, FX_BOOL bShading); - CPDF_Object* FindResourceObj(const CFX_ByteStringC& type, - const CFX_ByteString& name); - - protected: - using OpCodes = - std::unordered_map<FX_DWORD, void (CPDF_StreamContentParser::*)()>; - static OpCodes InitializeOpCodes(); - - void Handle_CloseFillStrokePath(); - void Handle_FillStrokePath(); - void Handle_CloseEOFillStrokePath(); - void Handle_EOFillStrokePath(); - void Handle_BeginMarkedContent_Dictionary(); - void Handle_BeginImage(); - void Handle_BeginMarkedContent(); - void Handle_BeginText(); - void Handle_CurveTo_123(); - void Handle_ConcatMatrix(); - void Handle_SetColorSpace_Fill(); - void Handle_SetColorSpace_Stroke(); - void Handle_SetDash(); - void Handle_SetCharWidth(); - void Handle_SetCachedDevice(); - void Handle_ExecuteXObject(); - void Handle_MarkPlace_Dictionary(); - void Handle_EndImage(); - void Handle_EndMarkedContent(); - void Handle_EndText(); - void Handle_FillPath(); - void Handle_FillPathOld(); - void Handle_EOFillPath(); - void Handle_SetGray_Fill(); - void Handle_SetGray_Stroke(); - void Handle_SetExtendGraphState(); - void Handle_ClosePath(); - void Handle_SetFlat(); - void Handle_BeginImageData(); - void Handle_SetLineJoin(); - void Handle_SetLineCap(); - void Handle_SetCMYKColor_Fill(); - void Handle_SetCMYKColor_Stroke(); - void Handle_LineTo(); - void Handle_MoveTo(); - void Handle_SetMiterLimit(); - void Handle_MarkPlace(); - void Handle_EndPath(); - void Handle_SaveGraphState(); - void Handle_RestoreGraphState(); - void Handle_Rectangle(); - void Handle_SetRGBColor_Fill(); - void Handle_SetRGBColor_Stroke(); - void Handle_SetRenderIntent(); - void Handle_CloseStrokePath(); - void Handle_StrokePath(); - void Handle_SetColor_Fill(); - void Handle_SetColor_Stroke(); - void Handle_SetColorPS_Fill(); - void Handle_SetColorPS_Stroke(); - void Handle_ShadeFill(); - void Handle_SetCharSpace(); - void Handle_MoveTextPoint(); - void Handle_MoveTextPoint_SetLeading(); - void Handle_SetFont(); - void Handle_ShowText(); - void Handle_ShowText_Positioning(); - void Handle_SetTextLeading(); - void Handle_SetTextMatrix(); - void Handle_SetTextRenderMode(); - void Handle_SetTextRise(); - void Handle_SetWordSpace(); - void Handle_SetHorzScale(); - void Handle_MoveToNextLine(); - void Handle_CurveTo_23(); - void Handle_SetLineWidth(); - void Handle_Clip(); - void Handle_EOClip(); - void Handle_CurveTo_13(); - void Handle_NextLineShowText(); - void Handle_NextLineShowText_Space(); - void Handle_Invalid(); - - CPDF_Document* const m_pDocument; - CPDF_Dictionary* m_pPageResources; - CPDF_Dictionary* m_pParentResources; - CPDF_Dictionary* m_pResources; - CPDF_PageObjectHolder* m_pObjectHolder; - int m_Level; - CFX_Matrix m_mtContentToUser; - CFX_FloatRect m_BBox; - CPDF_ParseOptions m_Options; - ContentParam m_ParamBuf[PARAM_BUF_SIZE]; - FX_DWORD m_ParamStartPos; - FX_DWORD m_ParamCount; - CPDF_StreamParser* m_pSyntax; - std::unique_ptr<CPDF_AllStates> m_pCurStates; - CPDF_ContentMark m_CurContentMark; - CFX_ArrayTemplate<CPDF_TextObject*> m_ClipTextList; - CPDF_TextObject* m_pLastTextObject; - FX_FLOAT m_DefFontSize; - FX_PATHPOINT* m_pPathPoints; - int m_PathPointCount; - int m_PathAllocSize; - FX_FLOAT m_PathStartX; - FX_FLOAT m_PathStartY; - FX_FLOAT m_PathCurrentX; - FX_FLOAT m_PathCurrentY; - int m_PathClipType; - CFX_ByteString m_LastImageName; - CPDF_Image* m_pLastImage; - CFX_BinaryBuf m_LastImageDict; - CFX_BinaryBuf m_LastImageData; - CPDF_Dictionary* m_pLastImageDict; - CPDF_Dictionary* m_pLastCloneImageDict; - FX_BOOL m_bReleaseLastDict; - FX_BOOL m_bSameLastDict; - FX_BOOL m_bColored; - FX_FLOAT m_Type3Data[6]; - FX_BOOL m_bResourceMissing; - std::vector<std::unique_ptr<CPDF_AllStates>> m_StateStack; -}; -class CPDF_ContentParser { - public: - enum ParseStatus { Ready, ToBeContinued, Done }; - - CPDF_ContentParser(); - ~CPDF_ContentParser(); - - ParseStatus GetStatus() const { return m_Status; } - void Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions); - void Start(CPDF_Form* pForm, - CPDF_AllStates* pGraphicStates, - CFX_Matrix* pParentMatrix, - CPDF_Type3Char* pType3Char, - CPDF_ParseOptions* pOptions, - int level); - void Continue(IFX_Pause* pPause); - - private: - enum InternalStage { - STAGE_GETCONTENT = 1, - STAGE_PARSE, - STAGE_CHECKCLIP, - }; - - ParseStatus m_Status; - InternalStage m_InternalStage; - CPDF_PageObjectHolder* m_pObjectHolder; - FX_BOOL m_bForm; - CPDF_ParseOptions m_Options; - CPDF_Type3Char* m_pType3Char; - FX_DWORD m_nStreams; - std::unique_ptr<CPDF_StreamAcc> m_pSingleStream; - std::vector<std::unique_ptr<CPDF_StreamAcc>> m_StreamArray; - uint8_t* m_pData; - FX_DWORD m_Size; - FX_DWORD m_CurrentOffset; - std::unique_ptr<CPDF_StreamContentParser> m_pParser; -}; -class CPDF_AllStates : public CPDF_GraphicStates { - public: - CPDF_AllStates(); - ~CPDF_AllStates(); - void Copy(const CPDF_AllStates& src); - void ProcessExtGS(CPDF_Dictionary* pGS, CPDF_StreamContentParser* pParser); - void SetLineDash(CPDF_Array*, FX_FLOAT, FX_FLOAT scale); - CFX_Matrix m_TextMatrix, m_CTM, m_ParentMatrix; - FX_FLOAT m_TextX, m_TextY, m_TextLineX, m_TextLineY; - FX_FLOAT m_TextLeading, m_TextRise, m_TextHorzScale; -}; - -class CPDF_DocPageData { - public: - explicit CPDF_DocPageData(CPDF_Document* pPDFDoc); - ~CPDF_DocPageData(); - - void Clear(FX_BOOL bRelease = FALSE); - CPDF_Font* GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly); - CPDF_Font* GetStandardFont(const CFX_ByteStringC& fontName, - CPDF_FontEncoding* pEncoding); - void ReleaseFont(CPDF_Dictionary* pFontDict); - CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj, - const CPDF_Dictionary* pResources); - CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj); - void ReleaseColorSpace(CPDF_Object* pColorSpace); - CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj, - FX_BOOL bShading, - const CFX_Matrix* matrix); - void ReleasePattern(CPDF_Object* pPatternObj); - CPDF_Image* GetImage(CPDF_Object* pImageStream); - void ReleaseImage(CPDF_Object* pImageStream); - CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream); - void ReleaseIccProfile(CPDF_IccProfile* pIccProfile); - CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream); - void ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, - FX_BOOL bForce = FALSE); - FX_BOOL IsForceClear() const { return m_bForceClear; } - CPDF_CountedColorSpace* FindColorSpacePtr(CPDF_Object* pCSObj) const; - CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const; - - private: - using CPDF_CountedFont = CPDF_CountedObject<CPDF_Font>; - using CPDF_CountedIccProfile = CPDF_CountedObject<CPDF_IccProfile>; - using CPDF_CountedImage = CPDF_CountedObject<CPDF_Image>; - using CPDF_CountedStreamAcc = CPDF_CountedObject<CPDF_StreamAcc>; - - using CPDF_ColorSpaceMap = std::map<CPDF_Object*, CPDF_CountedColorSpace*>; - using CPDF_FontFileMap = std::map<CPDF_Stream*, CPDF_CountedStreamAcc*>; - using CPDF_FontMap = std::map<CPDF_Dictionary*, CPDF_CountedFont*>; - using CPDF_IccProfileMap = std::map<CPDF_Stream*, CPDF_CountedIccProfile*>; - using CPDF_ImageMap = std::map<FX_DWORD, CPDF_CountedImage*>; - using CPDF_PatternMap = std::map<CPDF_Object*, CPDF_CountedPattern*>; - - CPDF_Document* const m_pPDFDoc; - FX_BOOL m_bForceClear; - std::map<CFX_ByteString, CPDF_Stream*> m_HashProfileMap; - CPDF_ColorSpaceMap m_ColorSpaceMap; - CPDF_FontFileMap m_FontFileMap; - CPDF_FontMap m_FontMap; - CPDF_IccProfileMap m_IccProfileMap; - CPDF_ImageMap m_ImageMap; - CPDF_PatternMap m_PatternMap; -}; - -class CPDF_Function { - public: - static CPDF_Function* Load(CPDF_Object* pFuncObj); - virtual ~CPDF_Function(); - FX_BOOL Call(FX_FLOAT* inputs, - int ninputs, - FX_FLOAT* results, - int& nresults) const; - int CountInputs() { return m_nInputs; } - int CountOutputs() { return m_nOutputs; } - - protected: - CPDF_Function(); - int m_nInputs, m_nOutputs; - FX_FLOAT* m_pDomains; - FX_FLOAT* m_pRanges; - FX_BOOL Init(CPDF_Object* pObj); - virtual FX_BOOL v_Init(CPDF_Object* pObj) = 0; - virtual FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const = 0; -}; -class CPDF_IccProfile { - public: - CPDF_IccProfile(const uint8_t* pData, FX_DWORD dwSize); - ~CPDF_IccProfile(); - FX_DWORD GetComponents() const { return m_nSrcComponents; } - FX_BOOL m_bsRGB; - void* m_pTransform; - - private: - FX_DWORD m_nSrcComponents; -}; - -class CPDF_DeviceCS : public CPDF_ColorSpace { - public: - CPDF_DeviceCS(CPDF_Document* pDoc, int family); - - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - FX_BOOL SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const override; - FX_BOOL v_GetCMYK(FX_FLOAT* pBuf, - FX_FLOAT& c, - FX_FLOAT& m, - FX_FLOAT& y, - FX_FLOAT& k) const override; - FX_BOOL v_SetCMYK(FX_FLOAT* pBuf, - FX_FLOAT c, - FX_FLOAT m, - FX_FLOAT y, - FX_FLOAT k) const override; - void TranslateImageLine(uint8_t* pDestBuf, - const uint8_t* pSrcBuf, - int pixels, - int image_width, - int image_height, - FX_BOOL bTransMask = FALSE) const override; -}; - -class CPDF_PatternCS : public CPDF_ColorSpace { - public: - explicit CPDF_PatternCS(CPDF_Document* pDoc) - : CPDF_ColorSpace(pDoc, PDFCS_PATTERN, 1), - m_pBaseCS(nullptr), - m_pCountedBaseCS(nullptr) {} - ~CPDF_PatternCS() override; - FX_BOOL v_Load(CPDF_Document* pDoc, CPDF_Array* pArray) override; - FX_BOOL GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const override; - CPDF_ColorSpace* GetBaseCS() const override; - - private: - CPDF_ColorSpace* m_pBaseCS; - CPDF_CountedColorSpace* m_pCountedBaseCS; -}; - -void PDF_ReplaceAbbr(CPDF_Object* pObj); -bool IsPathOperator(const uint8_t* buf, size_t len); - -#endif // CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_ |