// 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_SRC_FGAS_INCLUDE_FX_RBK_H_ #define XFA_SRC_FGAS_INCLUDE_FX_RBK_H_ #include "core/include/fxcrt/fx_ucd.h" #include "core/include/fxge/fx_ge.h" #include "xfa/src/fgas/include/fx_ucd.h" class IFX_Unknown; class IFX_Font; class CFX_Char; class CFX_RTFBreakPiece; class IFX_RTFBreak; #define FX_RTFBREAKPOLICY_None 0x00 #define FX_RTFBREAKPOLICY_SpaceBreak 0x01 #define FX_RTFBREAKPOLICY_NumberBreak 0x02 #define FX_RTFBREAKPOLICY_InfixBreak 0x04 #define FX_RTFBREAKPOLICY_TabBreak 0x08 #define FX_RTFBREAKPOLICY_OrphanPositionedTab 0x10 #define FX_RTFBREAK_None 0x00 #define FX_RTFBREAK_PieceBreak 0x01 #define FX_RTFBREAK_LineBreak 0x02 #define FX_RTFBREAK_ParagraphBreak 0x03 #define FX_RTFBREAK_PageBreak 0x04 #define FX_RTFLAYOUTSTYLE_Pagination 0x01 #define FX_RTFLAYOUTSTYLE_VerticalLayout 0x02 #define FX_RTFLAYOUTSTYLE_VerticalChars 0x04 #define FX_RTFLAYOUTSTYLE_LineDirection 0x08 #define FX_RTFLAYOUTSTYLE_ExpandTab 0x10 #define FX_RTFLAYOUTSTYLE_ArabicNumber 0x20 #define FX_RTFLAYOUTSTYLE_SingleLine 0x40 #define FX_RTFLAYOUTSTYLE_MBCSCode 0x80 #define FX_RTFCHARSTYLE_Alignment 0x000F #define FX_RTFCHARSTYLE_ArabicNumber 0x0010 #define FX_RTFCHARSTYLE_ArabicShadda 0x0020 #define FX_RTFCHARSTYLE_OddBidiLevel 0x0040 #define FX_RTFCHARSTYLE_RTLReadingOrder 0x0080 #define FX_RTFCHARSTYLE_ArabicContext 0x0300 #define FX_RTFCHARSTYLE_ArabicIndic 0x0400 #define FX_RTFCHARSTYLE_ArabicComma 0x0800 #define FX_RTFLINEALIGNMENT_Left 0 #define FX_RTFLINEALIGNMENT_Center 1 #define FX_RTFLINEALIGNMENT_Right 2 #define FX_RTFLINEALIGNMENT_Justified (1 << 2) #define FX_RTFLINEALIGNMENT_Distributed (2 << 2) #define FX_RTFLINEALIGNMENT_JustifiedLeft \ (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Justified) #define FX_RTFLINEALIGNMENT_JustifiedCenter \ (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Justified) #define FX_RTFLINEALIGNMENT_JustifiedRight \ (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Justified) #define FX_RTFLINEALIGNMENT_DistributedLeft \ (FX_RTFLINEALIGNMENT_Left | FX_RTFLINEALIGNMENT_Distributed) #define FX_RTFLINEALIGNMENT_DistributedCenter \ (FX_RTFLINEALIGNMENT_Center | FX_RTFLINEALIGNMENT_Distributed) #define FX_RTFLINEALIGNMENT_DistributedRight \ (FX_RTFLINEALIGNMENT_Right | FX_RTFLINEALIGNMENT_Distributed) #define FX_RTFLINEALIGNMENT_LowerMask 0x03 #define FX_RTFLINEALIGNMENT_HigherMask 0x0C typedef struct _FX_RTFTEXTOBJ { _FX_RTFTEXTOBJ() { pStr = NULL; pWidths = NULL; iLength = 0; pFont = NULL; fFontSize = 12.0f; dwLayoutStyles = 0; iCharRotation = 0; iBidiLevel = 0; pRect = NULL; wLineBreakChar = L'\n'; iHorizontalScale = 100; iVerticalScale = 100; } const FX_WCHAR* pStr; int32_t* pWidths; int32_t iLength; IFX_Font* pFont; FX_FLOAT fFontSize; FX_DWORD dwLayoutStyles; int32_t iCharRotation; int32_t iBidiLevel; FX_LPCRECTF pRect; FX_WCHAR wLineBreakChar; int32_t iHorizontalScale; int32_t iVerticalScale; } FX_RTFTEXTOBJ, *FX_LPRTFTEXTOBJ; typedef FX_RTFTEXTOBJ const* FX_LPCRTFTEXTOBJ; class CFX_RTFPiece : public CFX_Target { public: CFX_RTFPiece() : m_dwStatus(FX_RTFBREAK_PieceBreak), m_iStartPos(0), m_iWidth(-1), m_iStartChar(0), m_iChars(0), m_iBidiLevel(0), m_iBidiPos(0), m_iFontSize(0), m_iFontHeight(0), m_iHorizontalScale(100), m_iVerticalScale(100), m_dwLayoutStyles(0), m_dwIdentity(0), m_pChars(NULL), m_pUserData(NULL) {} ~CFX_RTFPiece() { Reset(); } void AppendChar(const CFX_RTFChar& tc) { FXSYS_assert(m_pChars != NULL); m_pChars->Add(tc); if (m_iWidth < 0) { m_iWidth = tc.m_iCharWidth; } else { m_iWidth += tc.m_iCharWidth; } m_iChars++; } int32_t GetEndPos() const { return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth; } int32_t GetLength() const { return m_iChars; } int32_t GetEndChar() const { return m_iStartChar + m_iChars; } CFX_RTFChar& GetChar(int32_t index) { FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL); return *m_pChars->GetDataPtr(m_iStartChar + index); } CFX_RTFChar* GetCharPtr(int32_t index) const { FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL); return m_pChars->GetDataPtr(m_iStartChar + index); } void GetString(FX_WCHAR* pText) const { FXSYS_assert(pText != NULL); int32_t iEndChar = m_iStartChar + m_iChars; CFX_RTFChar* pChar; for (int32_t i = m_iStartChar; i < iEndChar; i++) { pChar = m_pChars->GetDataPtr(i); *pText++ = (FX_WCHAR)pChar->m_wCharCode; } } void GetString(CFX_WideString& wsText) const { FX_WCHAR* pText = wsText.GetBuffer(m_iChars); GetString(pText); wsText.ReleaseBuffer(m_iChars); } void GetWidths(int32_t* pWidths) const { FXSYS_assert(pWidths != NULL); int32_t iEndChar = m_iStartChar + m_iChars; CFX_RTFChar* pChar; for (int32_t i = m_iStartChar; i < iEndChar; i++) { pChar = m_pChars->GetDataPtr(i); *pWidths++ = pChar->m_iCharWidth; } } void Reset() { m_dwStatus = FX_RTFBREAK_PieceBreak; if (m_iWidth > -1) { m_iStartPos += m_iWidth; } m_iWidth = -1; m_iStartChar += m_iChars; m_iChars = 0; m_iBidiLevel = 0; m_iBidiPos = 0; m_iHorizontalScale = 100; m_iVerticalScale = 100; } FX_DWORD m_dwStatus; int32_t m_iStartPos; int32_t m_iWidth; int32_t m_iStartChar; int32_t m_iChars; int32_t m_iBidiLevel; int32_t m_iBidiPos; int32_t m_iFontSize; int32_t m_iFontHeight; int32_t m_iHorizontalScale; int32_t m_iVerticalScale; FX_DWORD m_dwLayoutStyles; FX_DWORD m_dwIdentity; CFX_RTFCharArray* m_pChars; IFX_Unknown* m_pUserData; }; typedef CFX_BaseArrayTemplate<CFX_RTFPiece> CFX_RTFPieceArray; class IFX_RTFBreak { public: static IFX_RTFBreak* Create(FX_DWORD dwPolicies); virtual ~IFX_RTFBreak() {} virtual void Release() = 0; virtual void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) = 0; virtual void SetLineStartPos(FX_FLOAT fLinePos) = 0; virtual FX_DWORD GetLayoutStyles() const = 0; virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0; virtual void SetFont(IFX_Font* pFont) = 0; virtual void SetFontSize(FX_FLOAT fFontSize) = 0; virtual void SetTabWidth(FX_FLOAT fTabWidth) = 0; virtual void AddPositionedTab(FX_FLOAT fTabPos) = 0; virtual void SetPositionedTabs(const CFX_FloatArray& tabs) = 0; virtual void ClearPositionedTabs() = 0; virtual void SetDefaultChar(FX_WCHAR wch) = 0; virtual void SetLineBreakChar(FX_WCHAR wch) = 0; virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0; virtual void SetHorizontalScale(int32_t iScale) = 0; virtual void SetVerticalScale(int32_t iScale) = 0; virtual void SetCharRotation(int32_t iCharRotation) = 0; virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0; virtual void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) = 0; virtual void SetReadingOrder(FX_BOOL bRTL = FALSE) = 0; virtual void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) = 0; virtual void SetUserData(IFX_Unknown* pUserData) = 0; virtual FX_DWORD AppendChar(FX_WCHAR wch) = 0; virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) = 0; virtual int32_t CountBreakPieces() const = 0; virtual const CFX_RTFPiece* GetBreakPiece(int32_t index) const = 0; virtual void GetLineRect(CFX_RectF& rect) const = 0; virtual void ClearBreakPieces() = 0; virtual void Reset() = 0; virtual int32_t GetDisplayPos( FX_LPCRTFTEXTOBJ pText, FXTEXT_CHARPOS* pCharPos, FX_BOOL bCharCode = FALSE, CFX_WideString* pWSForms = NULL, FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0; virtual int32_t GetCharRects(FX_LPCRTFTEXTOBJ pText, CFX_RectFArray& rtArray, FX_BOOL bCharBBox = FALSE) const = 0; }; #endif // XFA_SRC_FGAS_INCLUDE_FX_RBK_H_