| // 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_FGAS_LAYOUT_CFX_RTFBREAK_H_ |
| #define XFA_FGAS_LAYOUT_CFX_RTFBREAK_H_ |
| |
| #include <deque> |
| #include <vector> |
| |
| #include "core/fxcrt/cfx_retain_ptr.h" |
| #include "core/fxcrt/fx_basic.h" |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/fx_ucd.h" |
| #include "core/fxge/cfx_renderdevice.h" |
| #include "xfa/fgas/layout/cfx_break.h" |
| #include "xfa/fxfa/cxfa_textuserdata.h" |
| |
| class CFGAS_GEFont; |
| |
| enum class CFX_RTFLineAlignment { |
| Left = 0, |
| Center, |
| Right, |
| Justified, |
| Distributed |
| }; |
| |
| struct FX_RTFTEXTOBJ { |
| FX_RTFTEXTOBJ(); |
| ~FX_RTFTEXTOBJ(); |
| |
| CFX_WideString pStr; |
| std::vector<int32_t> pWidths; |
| CFX_RetainPtr<CFGAS_GEFont> pFont; |
| const CFX_RectF* pRect; |
| wchar_t wLineBreakChar; |
| float fFontSize; |
| int32_t iLength; |
| int32_t iBidiLevel; |
| int32_t iHorizontalScale; |
| int32_t iVerticalScale; |
| }; |
| |
| class CFX_RTFBreak : public CFX_Break { |
| public: |
| explicit CFX_RTFBreak(uint32_t dwLayoutStyles); |
| ~CFX_RTFBreak() override; |
| |
| void SetLineStartPos(float fLinePos); |
| |
| void SetAlignment(CFX_RTFLineAlignment align) { m_iAlignment = align; } |
| void SetUserData(const CFX_RetainPtr<CXFA_TextUserData>& pUserData); |
| |
| void AddPositionedTab(float fTabPos); |
| |
| CFX_BreakType EndBreak(CFX_BreakType dwStatus); |
| |
| int32_t GetDisplayPos(const FX_RTFTEXTOBJ* pText, |
| FXTEXT_CHARPOS* pCharPos, |
| bool bCharCode) const; |
| |
| CFX_BreakType AppendChar(wchar_t wch); |
| |
| CFX_BreakLine* GetCurrentLineForTesting() const { return m_pCurLine; } |
| |
| private: |
| void AppendChar_Combination(CFX_Char* pCurChar); |
| void AppendChar_Tab(CFX_Char* pCurChar); |
| CFX_BreakType AppendChar_Control(CFX_Char* pCurChar); |
| CFX_BreakType AppendChar_Arabic(CFX_Char* pCurChar); |
| CFX_BreakType AppendChar_Others(CFX_Char* pCurChar); |
| int32_t GetLastPositionedTab() const; |
| bool GetPositionedTab(int32_t* iTabPos) const; |
| |
| int32_t GetBreakPos(std::vector<CFX_Char>& tca, |
| int32_t& iEndPos, |
| bool bAllChars, |
| bool bOnlyBrk); |
| void SplitTextLine(CFX_BreakLine* pCurLine, |
| CFX_BreakLine* pNextLine, |
| bool bAllChars); |
| bool EndBreak_SplitLine(CFX_BreakLine* pNextLine, |
| bool bAllChars, |
| CFX_BreakType dwStatus); |
| void EndBreak_BidiLine(std::deque<FX_TPO>* tpos, CFX_BreakType dwStatus); |
| void EndBreak_Alignment(const std::deque<FX_TPO>& tpos, |
| bool bAllChars, |
| CFX_BreakType dwStatus); |
| |
| bool m_bPagination; |
| std::vector<int32_t> m_PositionedTabs; |
| CFX_RTFLineAlignment m_iAlignment; |
| CFX_RetainPtr<CXFA_TextUserData> m_pUserData; |
| }; |
| |
| #endif // XFA_FGAS_LAYOUT_CFX_RTFBREAK_H_ |