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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fpdfapi/fpdf_page/pageint.h
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fpdfapi/fpdf_page/pageint.h')
-rw-r--r--core/fpdfapi/fpdf_page/pageint.h459
1 files changed, 459 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_page/pageint.h b/core/fpdfapi/fpdf_page/pageint.h
new file mode 100644
index 0000000000..8818bc9af0
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/pageint.h
@@ -0,0 +1,459 @@
+// 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 <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_FPDFAPI_FPDF_PAGE_PAGEINT_H_