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Unified Diff: core/fpdfapi/fpdf_page/pageint.h

Issue 2386423004: Move core/fpdfapi/fpdf_page to core/fpdfapi/page (Closed)
Patch Set: Rebase to master Created 4 years, 2 months ago
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Index: core/fpdfapi/fpdf_page/pageint.h
diff --git a/core/fpdfapi/fpdf_page/pageint.h b/core/fpdfapi/fpdf_page/pageint.h
deleted file mode 100644
index 3c10702b9ea884842c85213de991f62e85ace599..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_page/pageint.h
+++ /dev/null
@@ -1,566 +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_FPDFAPI_FPDF_PAGE_PAGEINT_H_
-#define CORE_FPDFAPI_FPDF_PAGE_PAGEINT_H_
-
-#include <map>
-#include <memory>
-#include <set>
-#include <unordered_map>
-#include <vector>
-
-#include "core/fpdfapi/fpdf_page/cpdf_contentmark.h"
-#include "core/fpdfapi/fpdf_page/cpdf_countedobject.h"
-#include "core/fpdfapi/fpdf_page/cpdf_pageobjectholder.h"
-#include "core/fxcrt/cfx_string_pool_template.h"
-#include "core/fxcrt/cfx_weak_ptr.h"
-#include "core/fxge/cfx_pathdata.h"
-#include "core/fxge/cfx_renderdevice.h"
-
-class CPDF_AllStates;
-class CPDF_ColorSpace;
-class CPDF_ExpIntFunc;
-class CPDF_Font;
-class CPDF_FontEncoding;
-class CPDF_Form;
-class CPDF_IccProfile;
-class CPDF_Image;
-class CPDF_ImageObject;
-class CPDF_Page;
-class CPDF_Pattern;
-class CPDF_SampledFunc;
-class CPDF_StitchFunc;
-class CPDF_StreamAcc;
-class CPDF_TextObject;
-class CPDF_Type3Char;
-
-#define PARSE_STEP_LIMIT 100
-
-class CPDF_StreamParser {
- public:
- enum SyntaxType { EndOfData, Number, Keyword, Name, Others };
-
- CPDF_StreamParser(const uint8_t* pData, uint32_t dwSize);
- CPDF_StreamParser(const uint8_t* pData,
- uint32_t dwSize,
- const CFX_WeakPtr<CFX_ByteStringPool>& pPool);
- ~CPDF_StreamParser();
-
- CPDF_Stream* ReadInlineStream(CPDF_Document* pDoc,
- CPDF_Dictionary* pDict,
- CPDF_Object* pCSObj);
- SyntaxType ParseNextElement();
- uint8_t* GetWordBuf() { return m_WordBuffer; }
- uint32_t GetWordSize() const { return m_WordSize; }
- CPDF_Object* GetObject() {
- CPDF_Object* pObj = m_pLastObj;
- m_pLastObj = nullptr;
- return pObj;
- }
- uint32_t GetPos() const { return m_Pos; }
- void SetPos(uint32_t pos) { m_Pos = pos; }
- CPDF_Object* ReadNextObject(bool bAllowNestedArray, uint32_t dwInArrayLevel);
-
- 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;
- uint32_t m_Size; // Length in bytes of m_pBuf.
- uint32_t m_Pos; // Current byte position within m_pBuf.
- uint8_t m_WordBuffer[256];
- uint32_t m_WordSize;
- CPDF_Object* m_pLastObj;
- CFX_WeakPtr<CFX_ByteStringPool> m_pPool;
-
- private:
- bool PositionIsInBounds() const;
-};
-
-#define PARAM_BUF_SIZE 16
-struct ContentParam {
- enum Type { OBJECT = 0, NUMBER, NAME };
- Type m_Type;
- union {
- struct {
- 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
-class CPDF_StreamContentParser {
- public:
- CPDF_StreamContentParser(CPDF_Document* pDoc,
- CPDF_Dictionary* pPageResources,
- CPDF_Dictionary* pParentResources,
- const CFX_Matrix* pmtContentToUser,
- CPDF_PageObjectHolder* pObjectHolder,
- CPDF_Dictionary* pResources,
- CFX_FloatRect* pBBox,
- 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(uint32_t index);
- CFX_ByteString GetString(uint32_t index);
- FX_FLOAT GetNumber(uint32_t index);
- int GetInteger(uint32_t index) { return (int32_t)(GetNumber(index)); }
- void OnOperator(const FX_CHAR* op);
- void BigCaseCaller(int index);
- uint32_t 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();
- uint32_t Parse(const uint8_t* pData, uint32_t dwSize, uint32_t 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,
- 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, bool bShading);
- CPDF_Object* FindResourceObj(const CFX_ByteString& type,
- const CFX_ByteString& name);
-
- protected:
- using OpCodes =
- std::unordered_map<uint32_t, 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;
- ContentParam m_ParamBuf[PARAM_BUF_SIZE];
- uint32_t m_ParamStartPos;
- uint32_t m_ParamCount;
- CPDF_StreamParser* m_pSyntax;
- std::unique_ptr<CPDF_AllStates> m_pCurStates;
- CPDF_ContentMark m_CurContentMark;
- std::vector<std::unique_ptr<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;
- uint8_t 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);
- void Start(CPDF_Form* pForm,
- CPDF_AllStates* pGraphicStates,
- const CFX_Matrix* pParentMatrix,
- CPDF_Type3Char* pType3Char,
- 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_Type3Char* m_pType3Char;
- uint32_t m_nStreams;
- std::unique_ptr<CPDF_StreamAcc> m_pSingleStream;
- std::vector<std::unique_ptr<CPDF_StreamAcc>> m_StreamArray;
- uint8_t* m_pData;
- uint32_t m_Size;
- uint32_t m_CurrentOffset;
- std::unique_ptr<CPDF_StreamContentParser> m_pParser;
-};
-
-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_ByteString& fontName,
- CPDF_FontEncoding* pEncoding);
- void ReleaseFont(const CPDF_Dictionary* pFontDict);
- CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj,
- const CPDF_Dictionary* pResources);
- CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj);
- void ReleaseColorSpace(const CPDF_Object* pColorSpace);
- CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj,
- FX_BOOL bShading,
- const CFX_Matrix& matrix);
- void ReleasePattern(const CPDF_Object* pPatternObj);
- CPDF_Image* GetImage(CPDF_Object* pImageStream);
- void ReleaseImage(const CPDF_Object* pImageStream);
- CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream);
- void ReleaseIccProfile(const CPDF_IccProfile* pIccProfile);
- CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream);
- void ReleaseFontFileStreamAcc(const CPDF_Stream* pFontStream);
- 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<const CPDF_Object*, CPDF_CountedColorSpace*>;
- using CPDF_FontFileMap = std::map<const CPDF_Stream*, CPDF_CountedStreamAcc*>;
- using CPDF_FontMap = std::map<const CPDF_Dictionary*, CPDF_CountedFont*>;
- using CPDF_IccProfileMap =
- std::map<const CPDF_Stream*, CPDF_CountedIccProfile*>;
- using CPDF_ImageMap = std::map<uint32_t, CPDF_CountedImage*>;
- using CPDF_PatternMap = std::map<const CPDF_Object*, CPDF_CountedPattern*>;
-
- CPDF_ColorSpace* GetColorSpaceImpl(CPDF_Object* pCSObj,
- const CPDF_Dictionary* pResources,
- std::set<CPDF_Object*>* pVisited);
-
- 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:
- enum class Type {
- kTypeInvalid = -1,
- kType0Sampled = 0,
- kType2ExpotentialInterpolation = 2,
- kType3Stitching = 3,
- kType4PostScript = 4,
- };
-
- static std::unique_ptr<CPDF_Function> Load(CPDF_Object* pFuncObj);
- static Type IntegerToFunctionType(int iType);
-
- virtual ~CPDF_Function();
- FX_BOOL Call(FX_FLOAT* inputs,
- uint32_t ninputs,
- FX_FLOAT* results,
- int& nresults) const;
- uint32_t CountInputs() const { return m_nInputs; }
- uint32_t CountOutputs() const { return m_nOutputs; }
- FX_FLOAT GetDomain(int i) const { return m_pDomains[i]; }
- FX_FLOAT GetRange(int i) const { return m_pRanges[i]; }
-
- const CPDF_SampledFunc* ToSampledFunc() const;
- const CPDF_ExpIntFunc* ToExpIntFunc() const;
- const CPDF_StitchFunc* ToStitchFunc() const;
-
- protected:
- explicit CPDF_Function(Type type);
-
- 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;
-
- uint32_t m_nInputs;
- uint32_t m_nOutputs;
- FX_FLOAT* m_pDomains;
- FX_FLOAT* m_pRanges;
- const Type m_Type;
-};
-
-class CPDF_ExpIntFunc : public CPDF_Function {
- public:
- CPDF_ExpIntFunc();
- ~CPDF_ExpIntFunc() override;
-
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- uint32_t m_nOrigOutputs;
- FX_FLOAT m_Exponent;
- FX_FLOAT* m_pBeginValues;
- FX_FLOAT* m_pEndValues;
-};
-
-class CPDF_SampledFunc : public CPDF_Function {
- public:
- struct SampleEncodeInfo {
- FX_FLOAT encode_max;
- FX_FLOAT encode_min;
- uint32_t sizes;
- };
-
- struct SampleDecodeInfo {
- FX_FLOAT decode_max;
- FX_FLOAT decode_min;
- };
-
- CPDF_SampledFunc();
- ~CPDF_SampledFunc() override;
-
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- const std::vector<SampleEncodeInfo>& GetEncodeInfo() const {
- return m_EncodeInfo;
- }
- uint32_t GetBitsPerSample() const { return m_nBitsPerSample; }
- const CPDF_StreamAcc* GetSampleStream() const {
- return m_pSampleStream.get();
- }
-
- private:
- std::vector<SampleEncodeInfo> m_EncodeInfo;
- std::vector<SampleDecodeInfo> m_DecodeInfo;
- uint32_t m_nBitsPerSample;
- uint32_t m_SampleMax;
- std::unique_ptr<CPDF_StreamAcc> m_pSampleStream;
-};
-
-class CPDF_StitchFunc : public CPDF_Function {
- public:
- CPDF_StitchFunc();
- ~CPDF_StitchFunc() override;
-
- // CPDF_Function
- FX_BOOL v_Init(CPDF_Object* pObj) override;
- FX_BOOL v_Call(FX_FLOAT* inputs, FX_FLOAT* results) const override;
-
- const std::vector<std::unique_ptr<CPDF_Function>>& GetSubFunctions() const {
- return m_pSubFunctions;
- }
- FX_FLOAT GetBound(size_t i) const { return m_pBounds[i]; }
-
- private:
- std::vector<std::unique_ptr<CPDF_Function>> m_pSubFunctions;
- FX_FLOAT* m_pBounds;
- FX_FLOAT* m_pEncode;
-
- static const uint32_t kRequiredNumInputs = 1;
-};
-
-class CPDF_IccProfile {
- public:
- CPDF_IccProfile(const uint8_t* pData, uint32_t dwSize);
- ~CPDF_IccProfile();
- uint32_t GetComponents() const { return m_nSrcComponents; }
- FX_BOOL m_bsRGB;
- void* m_pTransform;
-
- private:
- uint32_t 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_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;
-};
-
-#define MAX_PATTERN_COLORCOMPS 16
-struct PatternValue {
- CPDF_Pattern* m_pPattern;
- CPDF_CountedPattern* m_pCountedPattern;
- int m_nComps;
- FX_FLOAT m_Comps[MAX_PATTERN_COLORCOMPS];
-};
-
-CFX_ByteStringC PDF_FindKeyAbbreviationForTesting(const CFX_ByteStringC& abbr);
-CFX_ByteStringC PDF_FindValueAbbreviationForTesting(
- const CFX_ByteStringC& abbr);
-
-void PDF_ReplaceAbbr(CPDF_Object* pObj);
-bool IsPathOperator(const uint8_t* buf, size_t len);
-
-#endif // CORE_FPDFAPI_FPDF_PAGE_PAGEINT_H_
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