| // 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/fx_coordinates.h" |
| #include "core/fxcrt/fx_unicode.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "xfa/fgas/layout/cfx_break.h" |
| |
| class CFGAS_GEFont; |
| class CFX_TextUserData; |
| class CFX_TextPiece; |
| class TextCharPos; |
| |
| enum class CFX_RTFLineAlignment { |
| Left = 0, |
| Center, |
| Right, |
| Justified, |
| Distributed |
| }; |
| |
| class CFX_RTFBreak final : 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 RetainPtr<CFX_TextUserData>& pUserData); |
| |
| void AddPositionedTab(float fTabPos); |
| |
| CFX_BreakType EndBreak(CFX_BreakType dwStatus); |
| |
| size_t GetDisplayPos(const CFX_TextPiece* pPiece, |
| std::vector<TextCharPos>* pCharPos) const; |
| |
| CFX_BreakType AppendChar(wchar_t wch); |
| |
| 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); |
| bool GetPositionedTab(int32_t* iTabPos) const; |
| |
| int32_t GetBreakPos(std::vector<CFX_Char>& tca, |
| bool bAllChars, |
| bool bOnlyBrk, |
| int32_t* pEndPos); |
| 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; |
| RetainPtr<CFX_TextUserData> m_pUserData; |
| }; |
| |
| #endif // XFA_FGAS_LAYOUT_CFX_RTFBREAK_H_ |