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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 XFA_FDE_TTO_FDE_TEXTOUT_H_
#define XFA_FDE_TTO_FDE_TEXTOUT_H_
#include <deque>
#include <memory>
#include <vector>
#include "core/fxge/cfx_fxgedevice.h"
#include "core/fxge/cfx_renderdevice.h"
#include "core/fxge/fx_dib.h"
#include "xfa/fde/fde_object.h"
#include "xfa/fgas/crt/fgas_utils.h"
#include "xfa/fgas/font/cfgas_fontmgr.h"
#define FDE_TTOSTYLE_Underline 0x0001
#define FDE_TTOSTYLE_Strikeout 0x0002
#define FDE_TTOSTYLE_VerticalLayout 0x0004
#define FDE_TTOSTYLE_SingleLine 0x0010
#define FDE_TTOSTYLE_ExpandTab 0x0020
#define FDE_TTOSTYLE_HotKey 0x0040
#define FDE_TTOSTYLE_Ellipsis 0x0080
#define FDE_TTOSTYLE_LineWrap 0x0100
#define FDE_TTOSTYLE_ArabicShapes 0x0200
#define FDE_TTOSTYLE_ArabicContext 0x0800
#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_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(FX_FLOAT fFontSize);
void SetTextColor(FX_ARGB color);
void SetStyles(uint32_t dwStyles);
void SetTabWidth(FX_FLOAT fTabWidth);
void SetEllipsisString(const CFX_WideString& wsEllipsis);
void SetParagraphBreakChar(FX_WCHAR wch);
void SetAlignment(int32_t iAlignment);
void SetLineSpace(FX_FLOAT fLineSpace);
void SetDIBitmap(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(FX_FLOAT fTolerance);
void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, int32_t x, int32_t y);
void DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
FX_FLOAT x,
FX_FLOAT y);
void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_Rect& rect);
void DrawText(const FX_WCHAR* pwsStr, int32_t iLength, const CFX_RectF& rect);
void SetLogicClipRect(const CFX_RectF& rtClip);
void CalcLogicSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_SizeF& size);
void CalcLogicSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
void DrawLogicText(const FX_WCHAR* pwsStr,
int32_t iLength,
FX_FLOAT x,
FX_FLOAT y);
void DrawLogicText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_RectF& rect);
int32_t GetTotalLines();
protected:
void CalcTextSize(const FX_WCHAR* pwsStr, int32_t iLength, CFX_RectF& rect);
bool RetrieveLineWidth(uint32_t dwBreakStatus,
FX_FLOAT& fStartPos,
FX_FLOAT& fWidth,
FX_FLOAT& fHeight);
void SetLineWidth(CFX_RectF& rect);
void DrawText(const FX_WCHAR* pwsStr,
int32_t iLength,
const CFX_RectF& rect,
const CFX_RectF& rtClip);
void LoadText(const FX_WCHAR* 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 RetriecePieces(uint32_t 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;
FX_FLOAT m_fFontSize;
FX_FLOAT m_fLineSpace;
FX_FLOAT m_fLinePos;
FX_FLOAT m_fTolerance;
int32_t m_iAlignment;
int32_t m_iTxtBkAlignment;
std::vector<int32_t> m_CharWidths;
std::vector<int32_t> m_EllCharWidths;
FX_WCHAR 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;
std::unique_ptr<CFDE_RenderDevice> m_pRenderDevice;
CFX_ArrayTemplate<int32_t> m_hotKeys;
std::vector<CFX_RectF> m_rectArray;
};
#endif // XFA_FDE_TTO_FDE_TEXTOUT_H_
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