79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// Copyright 2014 The PDFium Authors
|
|
// 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_CFGAS_RTFBREAK_H_
|
|
#define XFA_FGAS_LAYOUT_CFGAS_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/cfgas_break.h"
|
|
|
|
class CFGAS_TextPiece;
|
|
class CFGAS_TextUserData;
|
|
class TextCharPos;
|
|
|
|
class CFGAS_RTFBreak final : public CFGAS_Break {
|
|
public:
|
|
enum class LineAlignment : uint8_t {
|
|
Left = 0,
|
|
Center,
|
|
Right,
|
|
Justified,
|
|
Distributed
|
|
};
|
|
|
|
explicit CFGAS_RTFBreak(Mask<LayoutStyle> dwLayoutStyles);
|
|
~CFGAS_RTFBreak() override;
|
|
|
|
void SetLineStartPos(float fLinePos);
|
|
|
|
void SetAlignment(LineAlignment align) { m_iAlignment = align; }
|
|
void SetUserData(const RetainPtr<CFGAS_TextUserData>& pUserData);
|
|
|
|
void AddPositionedTab(float fTabPos);
|
|
|
|
CFGAS_Char::BreakType EndBreak(CFGAS_Char::BreakType dwStatus);
|
|
|
|
size_t GetDisplayPos(const CFGAS_TextPiece* pPiece,
|
|
std::vector<TextCharPos>* pCharPos) const;
|
|
|
|
CFGAS_Char::BreakType AppendChar(wchar_t wch);
|
|
|
|
private:
|
|
void AppendChar_Combination(CFGAS_Char* pCurChar);
|
|
void AppendChar_Tab(CFGAS_Char* pCurChar);
|
|
CFGAS_Char::BreakType AppendChar_Control(CFGAS_Char* pCurChar);
|
|
CFGAS_Char::BreakType AppendChar_Arabic(CFGAS_Char* pCurChar);
|
|
CFGAS_Char::BreakType AppendChar_Others(CFGAS_Char* pCurChar);
|
|
bool GetPositionedTab(int32_t* iTabPos) const;
|
|
|
|
int32_t GetBreakPos(std::vector<CFGAS_Char>& tca,
|
|
bool bAllChars,
|
|
bool bOnlyBrk,
|
|
int32_t* pEndPos);
|
|
void SplitTextLine(CFGAS_BreakLine* pCurLine,
|
|
CFGAS_BreakLine* pNextLine,
|
|
bool bAllChars);
|
|
bool EndBreakSplitLine(CFGAS_BreakLine* pNextLine,
|
|
bool bAllChars,
|
|
CFGAS_Char::BreakType dwStatus);
|
|
std::deque<TPO> EndBreakBidiLine(CFGAS_Char::BreakType dwStatus);
|
|
void EndBreakAlignment(const std::deque<TPO>& tpos,
|
|
bool bAllChars,
|
|
CFGAS_Char::BreakType dwStatus);
|
|
|
|
bool m_bPagination = false;
|
|
LineAlignment m_iAlignment = LineAlignment::Left;
|
|
std::vector<int32_t> m_PositionedTabs;
|
|
RetainPtr<CFGAS_TextUserData> m_pUserData;
|
|
};
|
|
|
|
#endif // XFA_FGAS_LAYOUT_CFGAS_RTFBREAK_H_
|