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Diffstat (limited to 'xfa/fxfa/app/xfa_textlayout.h')
| -rw-r--r-- | xfa/fxfa/app/xfa_textlayout.h | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/xfa/fxfa/app/xfa_textlayout.h b/xfa/fxfa/app/xfa_textlayout.h deleted file mode 100644 index fa0ca668ca..0000000000 --- a/xfa/fxfa/app/xfa_textlayout.h +++ /dev/null @@ -1,354 +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 XFA_FXFA_APP_XFA_TEXTLAYOUT_H_ -#define XFA_FXFA_APP_XFA_TEXTLAYOUT_H_ - -#include <map> -#include <memory> -#include <vector> - -#include "xfa/fde/css/fde_css.h" -#include "xfa/fde/fde_gedevice.h" -#include "xfa/fgas/layout/fgas_rtfbreak.h" -#include "xfa/fxfa/parser/xfa_object.h" -#include "xfa/fxfa/xfa_ffdoc.h" - -#define XFA_LOADERCNTXTFLG_FILTERSPACE 0x001 - -class CFDE_CSSStyleSelector; -class CXFA_Para; -class CXFA_Font; -class CXFA_TextProvider; -class CXFA_TextTabstopsContext; - -class CXFA_CSSTagProvider { - public: - using AttributeMap = std::map<CFX_WideString, CFX_WideString>; - - CXFA_CSSTagProvider(); - ~CXFA_CSSTagProvider(); - - CFX_WideString GetTagName() { return m_wsTagName; } - - AttributeMap::iterator begin() { return m_Attributes.begin(); } - AttributeMap::iterator end() { return m_Attributes.end(); } - - bool empty() const { return m_Attributes.empty(); } - - void SetTagNameObj(const CFX_WideString& wsName) { m_wsTagName = wsName; } - void SetAttribute(const CFX_WideString& wsAttr, - const CFX_WideString& wsValue) { - m_Attributes.insert({wsAttr, wsValue}); - } - - bool m_bTagAvailable; - bool m_bContent; - - protected: - CFX_WideString m_wsTagName; - AttributeMap m_Attributes; -}; - -class CXFA_TextParseContext : public CFX_Target { - public: - CXFA_TextParseContext(); - ~CXFA_TextParseContext() override; - - void SetDisplay(FDE_CSSDISPLAY eDisplay) { m_eDisplay = eDisplay; } - FDE_CSSDISPLAY GetDisplay() const { return m_eDisplay; } - void SetDecls(const CFDE_CSSDeclaration** ppDeclArray, int32_t iDeclCount); - const CFDE_CSSDeclaration** GetDecls() { - return const_cast<const CFDE_CSSDeclaration**>(m_ppMatchedDecls); - } - uint32_t CountDecls() const { return m_dwMatchedDecls; } - - IFDE_CSSComputedStyle* m_pParentStyle; - - protected: - CFDE_CSSDeclaration** m_ppMatchedDecls; - uint32_t m_dwMatchedDecls; - FDE_CSSDISPLAY m_eDisplay; -}; - -class CXFA_TextParser { - public: - CXFA_TextParser(); - virtual ~CXFA_TextParser(); - - void Reset(); - void DoParse(CFDE_XMLNode* pXMLContainer, CXFA_TextProvider* pTextProvider); - IFDE_CSSComputedStyle* CreateRootStyle(CXFA_TextProvider* pTextProvider); - IFDE_CSSComputedStyle* ComputeStyle(CFDE_XMLNode* pXMLNode, - IFDE_CSSComputedStyle* pParentStyle); - bool IsParsed() const { return !!m_pAllocator; } - - int32_t GetVAlign(CXFA_TextProvider* pTextProvider) const; - FX_FLOAT GetTabInterval(IFDE_CSSComputedStyle* pStyle) const; - int32_t CountTabs(IFDE_CSSComputedStyle* pStyle) const; - bool IsSpaceRun(IFDE_CSSComputedStyle* pStyle) const; - bool GetTabstops(IFDE_CSSComputedStyle* pStyle, - CXFA_TextTabstopsContext* pTabstopContext); - CFX_RetainPtr<CFGAS_GEFont> GetFont(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - FX_FLOAT GetFontSize(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - int32_t GetHorScale(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - CFDE_XMLNode* pXMLNode) const; - int32_t GetVerScale(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - void GetUnderline(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - int32_t& iUnderline, - int32_t& iPeriod) const; - void GetLinethrough(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - int32_t& iLinethrough) const; - FX_ARGB GetColor(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - FX_FLOAT GetBaseline(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle) const; - FX_FLOAT GetLineHeight(CXFA_TextProvider* pTextProvider, - IFDE_CSSComputedStyle* pStyle, - bool bFirst, - FX_FLOAT fVerScale) const; - bool GetEmbbedObj(CXFA_TextProvider* pTextProvider, - CFDE_XMLNode* pXMLNode, - CFX_WideString& wsValue); - CXFA_TextParseContext* GetParseContextFromMap(CFDE_XMLNode* pXMLNode); - - protected: - bool TagValidate(const CFX_WideString& str) const; - - private: - void InitCSSData(CXFA_TextProvider* pTextProvider); - void ParseRichText(CFDE_XMLNode* pXMLNode, - IFDE_CSSComputedStyle* pParentStyle); - void ParseTagInfo(CFDE_XMLNode* pXMLNode, CXFA_CSSTagProvider& tagProvider); - IFDE_CSSStyleSheet* LoadDefaultSheetStyle(); - IFDE_CSSComputedStyle* CreateStyle(IFDE_CSSComputedStyle* pParentStyle); - std::unique_ptr<IFX_MemoryAllocator> m_pAllocator; - std::unique_ptr<CFDE_CSSStyleSelector> m_pSelector; - IFDE_CSSStyleSheet* m_pUASheet; - std::map<CFDE_XMLNode*, CXFA_TextParseContext*> m_mapXMLNodeToParseContext; -}; - -class CXFA_LoaderContext { - public: - CXFA_LoaderContext(); - ~CXFA_LoaderContext(); - - bool m_bSaveLineHeight; - FX_FLOAT m_fWidth; - FX_FLOAT m_fHeight; - FX_FLOAT m_fLastPos; - FX_FLOAT m_fStartLineOffset; - int32_t m_iChar; - int32_t m_iLines; - int32_t m_iTotalLines; - CFDE_XMLNode* m_pXMLNode; - CXFA_Node* m_pNode; - IFDE_CSSComputedStyle* m_pParentStyle; - CFX_ArrayTemplate<FX_FLOAT> m_lineHeights; - uint32_t m_dwFlags; - std::vector<FX_FLOAT> m_BlocksHeight; -}; - -class CXFA_LinkUserData : public IFX_Retainable, public CFX_Target { - public: - CXFA_LinkUserData(IFX_MemoryAllocator* pAllocator, FX_WCHAR* pszText); - ~CXFA_LinkUserData() override; - - // IFX_Retainable: - uint32_t Retain() override; - uint32_t Release() override; - - const FX_WCHAR* GetLinkURL(); - - protected: - IFX_MemoryAllocator* m_pAllocator; - uint32_t m_dwRefCount; - CFX_WideString m_wsURLContent; -}; - -class CXFA_TextUserData : public IFX_Retainable, public CFX_Target { - public: - CXFA_TextUserData(IFX_MemoryAllocator* pAllocator, - IFDE_CSSComputedStyle* pStyle); - CXFA_TextUserData(IFX_MemoryAllocator* pAllocator, - IFDE_CSSComputedStyle* pStyle, - CXFA_LinkUserData* pLinkData); - ~CXFA_TextUserData() override; - - // IFX_Retainable: - uint32_t Retain() override; - uint32_t Release() override; - - IFDE_CSSComputedStyle* m_pStyle; - CXFA_LinkUserData* m_pLinkData; - - protected: - IFX_MemoryAllocator* m_pAllocator; - uint32_t m_dwRefCount; -}; - -class XFA_TextPiece : public CFX_Target { - public: - XFA_TextPiece(); - ~XFA_TextPiece() override; - - FX_WCHAR* pszText; - int32_t iChars; - int32_t* pWidths; - int32_t iHorScale; - int32_t iVerScale; - int32_t iBidiLevel; - int32_t iUnderline; - int32_t iPeriod; - int32_t iLineThrough; - CFX_RetainPtr<CFGAS_GEFont> pFont; - FX_ARGB dwColor; - FX_FLOAT fFontSize; - CFX_RectF rtPiece; - CXFA_LinkUserData* pLinkData; -}; -typedef CFX_ArrayTemplate<XFA_TextPiece*> CXFA_PieceArray; - -class CXFA_PieceLine : public CFX_Target { - public: - CXFA_PieceLine(); - ~CXFA_PieceLine() override; - - CXFA_PieceArray m_textPieces; - CFX_Int32Array m_charCounts; -}; -typedef CFX_ArrayTemplate<CXFA_PieceLine*> CXFA_PieceLineArray; - -struct XFA_TABSTOPS { - uint32_t dwAlign; - FX_FLOAT fTabstops; -}; - -class CXFA_TextTabstopsContext { - public: - CXFA_TextTabstopsContext(); - ~CXFA_TextTabstopsContext(); - - void Append(uint32_t dwAlign, FX_FLOAT fTabstops); - void RemoveAll(); - void Reset(); - - CFX_ArrayTemplate<XFA_TABSTOPS> m_tabstops; - int32_t m_iTabCount; - int32_t m_iTabIndex; - bool m_bTabstops; - FX_FLOAT m_fTabWidth; - FX_FLOAT m_fLeft; -}; - -class CXFA_TextLayout { - public: - explicit CXFA_TextLayout(CXFA_TextProvider* pTextProvider); - ~CXFA_TextLayout(); - - int32_t GetText(CFX_WideString& wsText); - FX_FLOAT GetLayoutHeight(); - FX_FLOAT StartLayout(FX_FLOAT fWidth = -1); - bool DoLayout(int32_t iBlockIndex, - FX_FLOAT& fCalcHeight, - FX_FLOAT fContentAreaHeight = -1, - FX_FLOAT fTextHeight = -1); - - bool CalcSize(const CFX_SizeF& minSize, - const CFX_SizeF& maxSize, - CFX_SizeF& defaultSize); - bool Layout(const CFX_SizeF& size, FX_FLOAT* fHeight = nullptr); - void ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex); - bool DrawString(CFX_RenderDevice* pFxDevice, - const CFX_Matrix& tmDoc2Device, - const CFX_RectF& rtClip, - int32_t iBlock = 0); - bool IsLoaded() const { return m_pieceLines.GetSize() > 0; } - void Unload(); - const CXFA_PieceLineArray* GetPieceLines(); - - bool m_bHasBlock; - CFX_Int32Array m_Blocks; - - private: - void GetTextDataNode(); - CFDE_XMLNode* GetXMLContainerNode(); - CFX_RTFBreak* CreateBreak(bool bDefault); - void InitBreak(FX_FLOAT fLineWidth); - void InitBreak(IFDE_CSSComputedStyle* pStyle, - FDE_CSSDISPLAY eDisplay, - FX_FLOAT fLineWidth, - CFDE_XMLNode* pXMLNode, - IFDE_CSSComputedStyle* pParentStyle = nullptr); - bool Loader(const CFX_SizeF& szText, - FX_FLOAT& fLinePos, - bool bSavePieces = true); - void LoadText(CXFA_Node* pNode, - const CFX_SizeF& szText, - FX_FLOAT& fLinePos, - bool bSavePieces); - bool LoadRichText(CFDE_XMLNode* pXMLNode, - const CFX_SizeF& szText, - FX_FLOAT& fLinePos, - IFDE_CSSComputedStyle* pParentStyle, - bool bSavePieces, - CXFA_LinkUserData* pLinkData = nullptr, - bool bEndBreak = true, - bool bIsOl = false, - int32_t iLiCount = 0); - bool AppendChar(const CFX_WideString& wsText, - FX_FLOAT& fLinePos, - FX_FLOAT fSpaceAbove, - bool bSavePieces); - void AppendTextLine(uint32_t dwStatus, - FX_FLOAT& fLinePos, - bool bSavePieces, - bool bEndBreak = false); - void EndBreak(uint32_t dwStatus, FX_FLOAT& fLinePos, bool bDefault); - bool IsEnd(bool bSavePieces); - void ProcessText(CFX_WideString& wsText); - void UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom); - void RenderString(CFDE_RenderDevice* pDevice, - CFDE_Brush* pBrush, - CXFA_PieceLine* pPieceLine, - int32_t iPiece, - FXTEXT_CHARPOS* pCharPos, - const CFX_Matrix& tmDoc2Device); - void RenderPath(CFDE_RenderDevice* pDevice, - CFDE_Pen* pPen, - CXFA_PieceLine* pPieceLine, - int32_t iPiece, - FXTEXT_CHARPOS* pCharPos, - const CFX_Matrix& tmDoc2Device); - int32_t GetDisplayPos(const XFA_TextPiece* pPiece, - FXTEXT_CHARPOS* pCharPos, - bool bCharCode = false); - bool ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ& tr); - void DoTabstops(IFDE_CSSComputedStyle* pStyle, CXFA_PieceLine* pPieceLine); - bool Layout(int32_t iBlock); - int32_t CountBlocks() const; - - CXFA_TextProvider* m_pTextProvider; - CXFA_Node* m_pTextDataNode; - bool m_bRichText; - std::unique_ptr<IFX_MemoryAllocator> m_pAllocator; - std::unique_ptr<CFX_RTFBreak> m_pBreak; - std::unique_ptr<CXFA_LoaderContext> m_pLoader; - int32_t m_iLines; - FX_FLOAT m_fMaxWidth; - CXFA_TextParser m_textParser; - CXFA_PieceLineArray m_pieceLines; - std::unique_ptr<CXFA_TextTabstopsContext> m_pTabstopContext; - bool m_bBlockContinue; -}; - -#endif // XFA_FXFA_APP_XFA_TEXTLAYOUT_H_ |