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// Copyright 2017 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_BREAK_H_
#define XFA_FGAS_LAYOUT_CFX_BREAK_H_
#include <stdint.h>
#include "core/fxcrt/cfx_retain_ptr.h"
#include "xfa/fgas/font/cfgas_gefont.h"
#include "xfa/fgas/layout/cfx_breakline.h"
struct FX_TPO {
bool operator<(const FX_TPO& that) const { return pos < that.pos; }
int32_t index;
int32_t pos;
};
enum FX_LAYOUTSTYLE {
FX_LAYOUTSTYLE_None = 0,
FX_LAYOUTSTYLE_Pagination = 0x01,
FX_LAYOUTSTYLE_ExpandTab = 0x10,
FX_LAYOUTSTYLE_SingleLine = 0x200,
FX_LAYOUTSTYLE_CombText = 0x400
};
class CFX_Break {
public:
virtual ~CFX_Break();
void Reset();
void SetLayoutStyles(uint32_t dwLayoutStyles);
uint32_t GetLayoutStyles() const { return m_dwLayoutStyles; }
void SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont);
void SetFontSize(float fFontSize);
void SetTabWidth(float fTabWidth);
void SetHorizontalScale(int32_t iScale);
void SetVerticalScale(int32_t iScale);
void SetLineBreakTolerance(float fTolerance);
void SetLineBoundary(float fLineStart, float fLineEnd);
void SetCharSpace(float fCharSpace);
void SetParagraphBreakChar(wchar_t wch);
void SetDefaultChar(wchar_t wch);
virtual void SetBreakStatus() = 0;
protected:
explicit CFX_Break(uint32_t dwLayoutStyles);
FX_CHARTYPE m_eCharType;
bool m_bSingleLine;
bool m_bCombText;
uint32_t m_dwLayoutStyles;
int32_t m_iLineStart;
int32_t m_iLineWidth;
wchar_t m_wParagraphBreakChar;
int32_t m_iFontSize;
int32_t m_iTabWidth;
int32_t m_iHorizontalScale;
int32_t m_iVerticalScale;
int32_t m_iTolerance;
int32_t m_iCharSpace;
int32_t m_iDefChar;
wchar_t m_wDefChar;
CFX_RetainPtr<CFGAS_GEFont> m_pFont;
CFX_BreakLine m_Line[2];
CFX_BreakLine* m_pCurLine;
int8_t m_iReadyLineIndex;
private:
void FontChanged();
};
#endif // XFA_FGAS_LAYOUT_CFX_BREAK_H_
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