// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FDE_TTO_FDE_TEXTOUT_H_
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#define XFA_FDE_TTO_FDE_TEXTOUT_H_
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#include <memory>
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#include "core/fxge/include/fx_dib.h"
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#include "core/fxge/include/fx_ge.h"
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#include "xfa/fde/fde_object.h"
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#include "xfa/fgas/crt/fgas_utils.h"
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#include "xfa/fgas/font/fgas_font.h"
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#define FDE_TTOSTYLE_Underline 0x0001
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#define FDE_TTOSTYLE_Strikeout 0x0002
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#define FDE_TTOSTYLE_VerticalLayout 0x0004
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#define FDE_TTOSTYLE_SingleLine 0x0010
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#define FDE_TTOSTYLE_ExpandTab 0x0020
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#define FDE_TTOSTYLE_HotKey 0x0040
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#define FDE_TTOSTYLE_Ellipsis 0x0080
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#define FDE_TTOSTYLE_LineWrap 0x0100
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#define FDE_TTOSTYLE_ArabicShapes 0x0200
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#define FDE_TTOSTYLE_RTL 0x0400
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#define FDE_TTOSTYLE_ArabicContext 0x0800
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#define FDE_TTOSTYLE_LastLineHeight 0x1000
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#define FDE_TTOALIGNMENT_TopLeft 0
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#define FDE_TTOALIGNMENT_TopCenter 1
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#define FDE_TTOALIGNMENT_TopRight 2
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#define FDE_TTOALIGNMENT_TopAuto 3
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#define FDE_TTOALIGNMENT_CenterLeft 4
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#define FDE_TTOALIGNMENT_Center 5
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#define FDE_TTOALIGNMENT_CenterRight 6
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#define FDE_TTOALIGNMENT_CenterAuto 7
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#define FDE_TTOALIGNMENT_BottomLeft 8
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#define FDE_TTOALIGNMENT_BottomCenter 9
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#define FDE_TTOALIGNMENT_BottomRight 10
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#define FDE_TTOALIGNMENT_BottomAuto 11
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class CFDE_RenderDevice;
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class CFX_TxtBreak;
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struct FX_TXTRUN;
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struct FDE_TTOPIECE {
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int32_t iStartChar;
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int32_t iChars;
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uint32_t dwCharStyles;
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CFX_RectF rtPiece;
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};
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typedef CFX_MassArrayTemplate<FDE_TTOPIECE> CFDE_TTOPieceArray;
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class CFDE_TTOLine : public CFX_Target {
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public:
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CFDE_TTOLine();
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CFDE_TTOLine(const CFDE_TTOLine& ttoLine);
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~CFDE_TTOLine() override;
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int32_t AddPiece(int32_t index, const FDE_TTOPIECE& ttoPiece);
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int32_t GetSize() const;
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FDE_TTOPIECE* GetPtrAt(int32_t index);
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void RemoveLast(int32_t iCount);
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void RemoveAll(FX_BOOL bLeaveMemory);
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FX_BOOL m_bNewReload;
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CFDE_TTOPieceArray m_pieces;
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protected:
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int32_t m_iPieceCount;
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};
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typedef CFX_ObjectMassArrayTemplate<CFDE_TTOLine> CFDE_TTOLineArray;
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class CFDE_TextOut : public CFX_Target {
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public:
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CFDE_TextOut();
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~CFDE_TextOut() override;
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void SetFont(CFGAS_GEFont* pFont);
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void SetFontSize(FX_FLOAT fFontSize);
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void SetTextColor(FX_ARGB color);
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void SetStyles(uint32_t dwStyles);
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void SetTabWidth(FX_FLOAT fTabWidth);
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void SetEllipsisString(const CFX_WideString& wsEllipsis);
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void SetParagraphBreakChar(FX_WCHAR wch);
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void SetAlignment(int32_t iAlignment);
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void SetLineSpace(FX_FLOAT fLineSpace);
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void SetDIBitmap(CFX_DIBitmap* pDIB);
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void SetRenderDevice(CFX_RenderDevice* pDevice);
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void SetClipRect(const CFX_Rect& rtClip);
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void SetClipRect(const CFX_RectF& rtClip);
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void SetMatrix(const CFX_Matrix& matrix);
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void SetLineBreakTolerance(FX_FLOAT fTolerance);
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void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_Size& size);
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void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_SizeF& size);
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void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_Rect& rect);
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void CalcSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
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void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, int32_t x, int32_t y);
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void DrawText(const FX_WCHAR* pwsStr,
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int32_t iLength,
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FX_FLOAT x,
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FX_FLOAT y);
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void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_Rect& rect);
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void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect);
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void SetLogicClipRect(const CFX_RectF& rtClip);
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void CalcLogicSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_SizeF& size);
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void CalcLogicSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
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void DrawLogicText(const FX_WCHAR* pwsStr,
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int32_t iLength,
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FX_FLOAT x,
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FX_FLOAT y);
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void DrawLogicText(const FX_WCHAR* pwsStr,
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int32_t iLength,
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const CFX_RectF& rect);
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int32_t GetTotalLines();
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protected:
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void CalcTextSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
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FX_BOOL RetrieveLineWidth(uint32_t dwBreakStatus,
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FX_FLOAT& fStartPos,
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FX_FLOAT& fWidth,
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FX_FLOAT& fHeight);
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void SetLineWidth(CFX_RectF& rect);
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void DrawText(const FX_WCHAR* pwsStr,
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int32_t iLength,
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const CFX_RectF& rect,
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const CFX_RectF& rtClip);
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void LoadText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect);
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void LoadEllipsis();
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void ExpandBuffer(int32_t iSize, int32_t iType);
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void RetrieveEllPieces(int32_t*& pCharWidths);
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void Reload(const CFX_RectF& rect);
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void ReloadLinePiece(CFDE_TTOLine* pLine, const CFX_RectF& rect);
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FX_BOOL RetriecePieces(uint32_t dwBreakStatus,
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int32_t& iStartChar,
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int32_t& iPieceWidths,
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FX_BOOL bReload,
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const CFX_RectF& rect);
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void AppendPiece(const FDE_TTOPIECE& ttoPiece,
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FX_BOOL bNeedReload,
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FX_BOOL bEnd);
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void ReplaceWidthEllipsis();
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void DoAlignment(const CFX_RectF& rect);
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void OnDraw(const CFX_RectF& rtClip);
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int32_t GetDisplayPos(FDE_TTOPIECE* pPiece);
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int32_t GetCharRects(const FDE_TTOPIECE* pPiece);
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FX_TXTRUN ToTextRun(const FDE_TTOPIECE* pPiece);
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void DrawLine(const FDE_TTOPIECE* pPiece, CFDE_Pen*& pPen);
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CFX_TxtBreak* m_pTxtBreak;
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CFGAS_GEFont* m_pFont;
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FX_FLOAT m_fFontSize;
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FX_FLOAT m_fLineSpace;
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FX_FLOAT m_fLinePos;
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FX_FLOAT m_fTolerance;
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int32_t m_iAlignment;
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int32_t m_iTxtBkAlignment;
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int32_t* m_pCharWidths;
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int32_t m_iChars;
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int32_t* m_pEllCharWidths;
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int32_t m_iEllChars;
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FX_WCHAR m_wParagraphBkChar;
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FX_ARGB m_TxtColor;
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uint32_t m_dwStyles;
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uint32_t m_dwTxtBkStyles;
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CFX_WideString m_wsEllipsis;
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FX_BOOL m_bElliChanged;
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int32_t m_iEllipsisWidth;
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CFX_WideString m_wsText;
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CFX_RectF m_rtClip;
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CFX_RectF m_rtLogicClip;
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CFX_Matrix m_Matrix;
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CFDE_TTOLineArray m_ttoLines;
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int32_t m_iCurLine;
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int32_t m_iCurPiece;
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int32_t m_iTotalLines;
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FXTEXT_CHARPOS* m_pCharPos;
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int32_t m_iCharPosSize;
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std::unique_ptr<CFDE_RenderDevice> m_pRenderDevice;
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CFX_Int32Array m_hotKeys;
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CFX_RectFArray m_rectArray;
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};
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#endif // XFA_FDE_TTO_FDE_TEXTOUT_H_
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