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// 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 _FDE_TEXTOUT_IMP
#define _FDE_TEXTOUT_IMP
struct FDE_TTOPIECE {
public:
int32_t iStartChar;
int32_t iChars;
FX_DWORD dwCharStyles;
CFX_RectF rtPiece;
};
typedef FDE_TTOPIECE * FDE_LPTTOPIECE;
typedef CFX_MassArrayTemplate<FDE_TTOPIECE> CFDE_TTOPieceArray;
class CFDE_TTOLine : public CFX_Target
{
public:
CFDE_TTOLine();
CFDE_TTOLine(const CFDE_TTOLine &ttoLine);
~CFDE_TTOLine();
int32_t AddPiece(int32_t index, const FDE_TTOPIECE &ttoPiece);
int32_t GetSize() const;
FDE_LPTTOPIECE GetPtrAt(int32_t index);
void RemoveLast(int32_t iCount);
void RemoveAll(FX_BOOL bLeaveMemory);
FX_BOOL m_bNewReload;
CFDE_TTOPieceArray m_pieces;
protected:
int32_t m_iPieceCount;
};
typedef CFX_ObjectMassArrayTemplate<CFDE_TTOLine> CFDE_TTOLineArray;
class CFDE_TextOut : public IFDE_TextOut, public CFX_Target
{
public:
CFDE_TextOut();
~CFDE_TextOut();
virtual void Release()
{
FDE_Delete this;
}
virtual void SetFont(IFX_Font *pFont);
virtual void SetFontSize(FX_FLOAT fFontSize);
virtual void SetTextColor(FX_ARGB color);
virtual void SetStyles(FX_DWORD dwStyles);
virtual void SetTabWidth(FX_FLOAT fTabWidth);
virtual void SetEllipsisString(const CFX_WideString &wsEllipsis);
virtual void SetParagraphBreakChar(FX_WCHAR wch);
virtual void SetAlignment(int32_t iAlignment);
virtual void SetLineSpace(FX_FLOAT fLineSpace);
virtual void SetDIBitmap(CFX_DIBitmap *pDIB);
virtual void SetRenderDevice(CFX_RenderDevice *pDevice);
virtual void SetClipRect(const CFX_Rect &rtClip);
virtual void SetClipRect(const CFX_RectF &rtClip);
virtual void SetMatrix(const CFX_Matrix &matrix);
virtual void SetLineBreakTolerance(FX_FLOAT fTolerance);
virtual void CalcSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_Size &size);
virtual void CalcSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_SizeF &size);
virtual void CalcSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_Rect &rect);
virtual void CalcSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_RectF &rect);
virtual void DrawText(FX_LPCWSTR pwsStr, int32_t iLength, int32_t x, int32_t y);
virtual void DrawText(FX_LPCWSTR pwsStr, int32_t iLength, FX_FLOAT x, FX_FLOAT y);
virtual void DrawText(FX_LPCWSTR pwsStr, int32_t iLength, const CFX_Rect &rect);
virtual void DrawText(FX_LPCWSTR pwsStr, int32_t iLength, const CFX_RectF &rect);
virtual void SetLogicClipRect(const CFX_RectF &rtClip);
virtual void CalcLogicSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_SizeF &size);
virtual void CalcLogicSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_RectF &rect);
virtual void DrawLogicText(FX_LPCWSTR pwsStr, int32_t iLength, FX_FLOAT x, FX_FLOAT y);
virtual void DrawLogicText(FX_LPCWSTR pwsStr, int32_t iLength, const CFX_RectF &rect);
virtual int32_t GetTotalLines();
protected:
void CalcTextSize(FX_LPCWSTR pwsStr, int32_t iLength, CFX_RectF &rect);
FX_BOOL RetrieveLineWidth(FX_DWORD dwBreakStatus, FX_FLOAT &fStartPos, FX_FLOAT &fWidth, FX_FLOAT &fHeight);
void SetLineWidth(CFX_RectF &rect);
void DrawText(FX_LPCWSTR pwsStr, int32_t iLength, const CFX_RectF &rect, const CFX_RectF &rtClip);
void LoadText(FX_LPCWSTR pwsStr, int32_t iLength, const CFX_RectF &rect);
void LoadEllipsis();
void ExpandBuffer(int32_t iSize, int32_t iType);
void RetrieveEllPieces(int32_t *&pCharWidths);
void Reload(const CFX_RectF &rect);
void ReloadLinePiece(CFDE_TTOLine *pLine, const CFX_RectF &rect);
FX_BOOL RetriecePieces(FX_DWORD dwBreakStatus, int32_t &iStartChar, int32_t &iPieceWidths, FX_BOOL bReload, const CFX_RectF &rect);
void AppendPiece(const FDE_TTOPIECE &ttoPiece, FX_BOOL bNeedReload, FX_BOOL bEnd);
void ReplaceWidthEllipsis();
void DoAlignment(const CFX_RectF &rect);
void OnDraw(const CFX_RectF &rtClip);
int32_t GetDisplayPos(FDE_LPTTOPIECE pPiece);
int32_t GetCharRects(FDE_LPTTOPIECE pPiece);
void ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN &tr);
void DrawLine(const FDE_LPTTOPIECE pPiece, IFDE_Pen *&pPen);
IFX_TxtBreak *m_pTxtBreak;
IFX_Font *m_pFont;
FX_FLOAT m_fFontSize;
FX_FLOAT m_fLineSpace;
FX_FLOAT m_fLinePos;
FX_FLOAT m_fTolerance;
int32_t m_iAlignment;
int32_t m_iTxtBkAlignment;
int32_t *m_pCharWidths;
int32_t m_iChars;
int32_t *m_pEllCharWidths;
int32_t m_iEllChars;
FX_WCHAR m_wParagraphBkChar;
FX_ARGB m_TxtColor;
FX_DWORD m_dwStyles;
FX_DWORD m_dwTxtBkStyles;
CFX_WideString m_wsEllipsis;
FX_BOOL m_bElliChanged;
int32_t m_iEllipsisWidth;
CFX_WideString m_wsText;
CFX_RectF m_rtClip;
CFX_RectF m_rtLogicClip;
CFX_Matrix m_Matrix;
CFDE_TTOLineArray m_ttoLines;
int32_t m_iCurLine;
int32_t m_iCurPiece;
int32_t m_iTotalLines;
FXTEXT_CHARPOS *m_pCharPos;
int32_t m_iCharPosSize;
IFDE_RenderDevice *m_pRenderDevice;
CFX_Int32Array m_hotKeys;
CFX_RectFArray m_rectArray;
};
#endif
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