| // 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_FDE_CFDE_TEXTOUT_H_ |
| #define XFA_FDE_CFDE_TEXTOUT_H_ |
| |
| #include <deque> |
| #include <memory> |
| #include <vector> |
| |
| #include "core/fxcrt/cfx_char.h" |
| #include "core/fxge/cfx_defaultrenderdevice.h" |
| #include "core/fxge/cfx_renderdevice.h" |
| #include "core/fxge/fx_dib.h" |
| #include "xfa/fgas/font/cfgas_fontmgr.h" |
| |
| #define FDE_TTOSTYLE_Underline 0x0001 |
| #define FDE_TTOSTYLE_Strikeout 0x0002 |
| #define FDE_TTOSTYLE_SingleLine 0x0010 |
| #define FDE_TTOSTYLE_HotKey 0x0040 |
| #define FDE_TTOSTYLE_Ellipsis 0x0080 |
| #define FDE_TTOSTYLE_LineWrap 0x0100 |
| #define FDE_TTOSTYLE_LastLineHeight 0x1000 |
| #define FDE_TTOALIGNMENT_TopLeft 0 |
| #define FDE_TTOALIGNMENT_TopCenter 1 |
| #define FDE_TTOALIGNMENT_TopRight 2 |
| #define FDE_TTOALIGNMENT_TopAuto 3 |
| #define FDE_TTOALIGNMENT_CenterLeft 4 |
| #define FDE_TTOALIGNMENT_Center 5 |
| #define FDE_TTOALIGNMENT_CenterRight 6 |
| #define FDE_TTOALIGNMENT_CenterAuto 7 |
| #define FDE_TTOALIGNMENT_BottomLeft 8 |
| #define FDE_TTOALIGNMENT_BottomCenter 9 |
| #define FDE_TTOALIGNMENT_BottomRight 10 |
| #define FDE_TTOALIGNMENT_BottomAuto 11 |
| |
| class CFDE_Pen; |
| class CFDE_RenderDevice; |
| class CFX_RenderDevice; |
| class CFX_TxtBreak; |
| struct FX_TXTRUN; |
| |
| struct FDE_TTOPIECE { |
| FDE_TTOPIECE(); |
| FDE_TTOPIECE(const FDE_TTOPIECE& that); |
| ~FDE_TTOPIECE(); |
| |
| int32_t iStartChar; |
| int32_t iChars; |
| uint32_t dwCharStyles; |
| CFX_RectF rtPiece; |
| }; |
| |
| class CFDE_TTOLine { |
| public: |
| CFDE_TTOLine(); |
| CFDE_TTOLine(const CFDE_TTOLine& ttoLine); |
| ~CFDE_TTOLine(); |
| |
| bool GetNewReload() const { return m_bNewReload; } |
| void SetNewReload(bool reload) { m_bNewReload = reload; } |
| int32_t AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece); |
| int32_t GetSize() const; |
| FDE_TTOPIECE* GetPtrAt(int32_t index); |
| void RemoveLast(int32_t iCount); |
| void RemoveAll(); |
| |
| private: |
| bool m_bNewReload; |
| std::deque<FDE_TTOPIECE> m_pieces; |
| }; |
| |
| class CFDE_TextOut { |
| public: |
| CFDE_TextOut(); |
| ~CFDE_TextOut(); |
| |
| void SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont); |
| void SetFontSize(float fFontSize); |
| void SetTextColor(FX_ARGB color); |
| void SetStyles(uint32_t dwStyles); |
| void SetTabWidth(float fTabWidth); |
| void SetEllipsisString(const CFX_WideString& wsEllipsis); |
| void SetParagraphBreakChar(wchar_t wch); |
| void SetAlignment(int32_t iAlignment); |
| void SetLineSpace(float fLineSpace); |
| void SetDIBitmap(const CFX_RetainPtr<CFX_DIBitmap>& pDIB); |
| void SetRenderDevice(CFX_RenderDevice* pDevice); |
| void SetClipRect(const CFX_Rect& rtClip); |
| void SetClipRect(const CFX_RectF& rtClip); |
| void SetMatrix(const CFX_Matrix& matrix); |
| void SetLineBreakTolerance(float fTolerance); |
| |
| void DrawText(const wchar_t* pwsStr, int32_t iLength, int32_t x, int32_t y); |
| void DrawText(const wchar_t* pwsStr, int32_t iLength, float x, float y); |
| void DrawText(const wchar_t* pwsStr, int32_t iLength, const CFX_Rect& rect); |
| void DrawText(const wchar_t* pwsStr, int32_t iLength, const CFX_RectF& rect); |
| |
| void SetLogicClipRect(const CFX_RectF& rtClip); |
| void CalcLogicSize(const wchar_t* pwsStr, int32_t iLength, CFX_SizeF& size); |
| void CalcLogicSize(const wchar_t* pwsStr, int32_t iLength, CFX_RectF& rect); |
| void DrawLogicText(const wchar_t* pwsStr, int32_t iLength, float x, float y); |
| void DrawLogicText(const wchar_t* pwsStr, |
| int32_t iLength, |
| const CFX_RectF& rect); |
| int32_t GetTotalLines(); |
| |
| private: |
| void CalcTextSize(const wchar_t* pwsStr, int32_t iLength, CFX_RectF& rect); |
| bool RetrieveLineWidth(CFX_BreakType dwBreakStatus, |
| float& fStartPos, |
| float& fWidth, |
| float& fHeight); |
| void SetLineWidth(CFX_RectF& rect); |
| void DrawText(const wchar_t* pwsStr, |
| int32_t iLength, |
| const CFX_RectF& rect, |
| const CFX_RectF& rtClip); |
| void LoadText(const wchar_t* pwsStr, int32_t iLength, const CFX_RectF& rect); |
| void LoadEllipsis(); |
| void ExpandBuffer(int32_t iSize, int32_t iType); |
| void RetrieveEllPieces(std::vector<int32_t>* pCharWidths); |
| |
| void Reload(const CFX_RectF& rect); |
| void ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect); |
| bool RetrievePieces(CFX_BreakType dwBreakStatus, |
| int32_t& iStartChar, |
| int32_t& iPieceWidths, |
| bool bReload, |
| const CFX_RectF& rect); |
| void AppendPiece(const FDE_TTOPIECE& ttoPiece, bool bNeedReload, bool bEnd); |
| void ReplaceWidthEllipsis(); |
| void DoAlignment(const CFX_RectF& rect); |
| void OnDraw(const CFX_RectF& rtClip); |
| int32_t GetDisplayPos(FDE_TTOPIECE* pPiece); |
| int32_t GetCharRects(const FDE_TTOPIECE* pPiece); |
| |
| FX_TXTRUN ToTextRun(const FDE_TTOPIECE* pPiece); |
| void DrawLine(const FDE_TTOPIECE* pPiece, CFDE_Pen* pPen); |
| |
| std::unique_ptr<CFX_TxtBreak> m_pTxtBreak; |
| CFX_RetainPtr<CFGAS_GEFont> m_pFont; |
| float m_fFontSize; |
| float m_fLineSpace; |
| float m_fLinePos; |
| float m_fTolerance; |
| int32_t m_iAlignment; |
| int32_t m_iTxtBkAlignment; |
| std::vector<int32_t> m_CharWidths; |
| std::vector<int32_t> m_EllCharWidths; |
| wchar_t m_wParagraphBkChar; |
| FX_ARGB m_TxtColor; |
| uint32_t m_dwStyles; |
| uint32_t m_dwTxtBkStyles; |
| CFX_WideString m_wsEllipsis; |
| bool m_bElliChanged; |
| int32_t m_iEllipsisWidth; |
| CFX_WideString m_wsText; |
| CFX_RectF m_rtClip; |
| CFX_RectF m_rtLogicClip; |
| CFX_Matrix m_Matrix; |
| std::deque<CFDE_TTOLine> m_ttoLines; |
| int32_t m_iCurLine; |
| int32_t m_iCurPiece; |
| int32_t m_iTotalLines; |
| std::vector<FXTEXT_CHARPOS> m_CharPos; |
| // NOTE: m_pDefaultRenderDevice must outlive m_pRenderDevice. |
| std::unique_ptr<CFX_DefaultRenderDevice> m_pDefaultRenderDevice; |
| std::unique_ptr<CFDE_RenderDevice> m_pRenderDevice; |
| std::vector<int32_t> m_HotKeys; |
| std::vector<CFX_RectF> m_rectArray; |
| }; |
| |
| #endif // XFA_FDE_CFDE_TEXTOUT_H_ |