// 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 _FX_RTFBREAK | |
#define _FX_RTFBREAK | |
class IFX_Unknown; | |
class IFX_Font; | |
class CFX_Char; | |
class CFX_RTFChar; | |
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 |