1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
// Copyright 2017 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_FXFA_APP_CXFA_TEXTLAYOUT_H_
#define XFA_FXFA_APP_CXFA_TEXTLAYOUT_H_
#include <memory>
#include <vector>
#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_string.h"
#include "xfa/fde/css/fde_css.h"
#include "xfa/fgas/layout/fgas_rtfbreak.h"
#include "xfa/fxfa/app/cxfa_textparser.h"
class CFDE_Brush;
class CFDE_CSSComputedStyle;
class CFDE_Pen;
class CFDE_RenderDevice;
class CFDE_XMLNode;
class CFX_RTFBreak;
class CXFA_LoaderContext;
class CXFA_LinkUserData;
class CXFA_Node;
class CXFA_PieceLine;
class CXFA_TextProvider;
class CXFA_TextTabstopsContext;
class XFA_TextPiece;
class CXFA_TextLayout {
public:
explicit CXFA_TextLayout(CXFA_TextProvider* pTextProvider);
~CXFA_TextLayout();
int32_t GetText(CFX_WideString& wsText);
FX_FLOAT GetLayoutHeight();
FX_FLOAT StartLayout(FX_FLOAT fWidth = -1);
bool DoLayout(int32_t iBlockIndex,
FX_FLOAT& fCalcHeight,
FX_FLOAT fContentAreaHeight = -1,
FX_FLOAT fTextHeight = -1);
bool CalcSize(const CFX_SizeF& minSize,
const CFX_SizeF& maxSize,
CFX_SizeF& defaultSize);
bool Layout(const CFX_SizeF& size, FX_FLOAT* fHeight = nullptr);
void ItemBlocks(const CFX_RectF& rtText, int32_t iBlockIndex);
bool DrawString(CFX_RenderDevice* pFxDevice,
const CFX_Matrix& tmDoc2Device,
const CFX_RectF& rtClip,
int32_t iBlock = 0);
bool IsLoaded() const { return !m_pieceLines.empty(); }
void Unload();
const std::vector<std::unique_ptr<CXFA_PieceLine>>* GetPieceLines() const {
return &m_pieceLines;
}
bool m_bHasBlock;
CFX_ArrayTemplate<int32_t> m_Blocks;
private:
void GetTextDataNode();
CFDE_XMLNode* GetXMLContainerNode();
std::unique_ptr<CFX_RTFBreak> CreateBreak(bool bDefault);
void InitBreak(FX_FLOAT fLineWidth);
void InitBreak(CFDE_CSSComputedStyle* pStyle,
FDE_CSSDisplay eDisplay,
FX_FLOAT fLineWidth,
CFDE_XMLNode* pXMLNode,
CFDE_CSSComputedStyle* pParentStyle = nullptr);
bool Loader(const CFX_SizeF& szText,
FX_FLOAT& fLinePos,
bool bSavePieces = true);
void LoadText(CXFA_Node* pNode,
const CFX_SizeF& szText,
FX_FLOAT& fLinePos,
bool bSavePieces);
bool LoadRichText(CFDE_XMLNode* pXMLNode,
const CFX_SizeF& szText,
FX_FLOAT& fLinePos,
const CFX_RetainPtr<CFDE_CSSComputedStyle>& pParentStyle,
bool bSavePieces,
CFX_RetainPtr<CXFA_LinkUserData> pLinkData,
bool bEndBreak = true,
bool bIsOl = false,
int32_t iLiCount = 0);
bool AppendChar(const CFX_WideString& wsText,
FX_FLOAT& fLinePos,
FX_FLOAT fSpaceAbove,
bool bSavePieces);
void AppendTextLine(CFX_RTFBreakType dwStatus,
FX_FLOAT& fLinePos,
bool bSavePieces,
bool bEndBreak = false);
void EndBreak(CFX_RTFBreakType dwStatus, FX_FLOAT& fLinePos, bool bDefault);
bool IsEnd(bool bSavePieces);
void ProcessText(CFX_WideString& wsText);
void UpdateAlign(FX_FLOAT fHeight, FX_FLOAT fBottom);
void RenderString(CFDE_RenderDevice* pDevice,
CFDE_Brush* pBrush,
CXFA_PieceLine* pPieceLine,
int32_t iPiece,
FXTEXT_CHARPOS* pCharPos,
const CFX_Matrix& tmDoc2Device);
void RenderPath(CFDE_RenderDevice* pDevice,
CFDE_Pen* pPen,
CXFA_PieceLine* pPieceLine,
int32_t iPiece,
FXTEXT_CHARPOS* pCharPos,
const CFX_Matrix& tmDoc2Device);
int32_t GetDisplayPos(const XFA_TextPiece* pPiece,
FXTEXT_CHARPOS* pCharPos,
bool bCharCode = false);
bool ToRun(const XFA_TextPiece* pPiece, FX_RTFTEXTOBJ* tr);
void DoTabstops(CFDE_CSSComputedStyle* pStyle, CXFA_PieceLine* pPieceLine);
bool Layout(int32_t iBlock);
int32_t CountBlocks() const;
CXFA_TextProvider* m_pTextProvider;
CXFA_Node* m_pTextDataNode;
bool m_bRichText;
std::unique_ptr<CFX_RTFBreak> m_pBreak;
std::unique_ptr<CXFA_LoaderContext> m_pLoader;
int32_t m_iLines;
FX_FLOAT m_fMaxWidth;
CXFA_TextParser m_textParser;
std::vector<std::unique_ptr<CXFA_PieceLine>> m_pieceLines;
std::unique_ptr<CXFA_TextTabstopsContext> m_pTabstopContext;
bool m_bBlockContinue;
};
#endif // XFA_FXFA_APP_CXFA_TEXTLAYOUT_H_
|
