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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// 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_FXFA_PARSER_XFA_LAYOUT_ITEMLAYOUT_H_
#define XFA_FXFA_PARSER_XFA_LAYOUT_ITEMLAYOUT_H_
#include <float.h>
#include <list>
#include <map>
#include <tuple>
#include <vector>
#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_coordinates.h"
#include "xfa/fxfa/fxfa_basic.h"
#define XFA_LAYOUT_INVALIDNODE ((CXFA_Node*)(intptr_t)-1)
#define XFA_LAYOUT_FLOAT_PERCISION (0.0005f)
class CXFA_ContainerLayoutItem;
class CXFA_ContentLayoutItem;
class CXFA_ItemLayoutProcessor;
class CXFA_LayoutPageMgr;
class CXFA_LayoutProcessor;
class CXFA_Node;
enum class XFA_ItemLayoutProcessorResult {
Done,
PageFullBreak,
RowFullBreak,
ManualBreak,
};
enum class XFA_ItemLayoutProcessorStages {
None,
BookendLeader,
BreakBefore,
Keep,
Container,
BreakAfter,
BookendTrailer,
Done,
};
class CXFA_LayoutContext {
public:
CXFA_LayoutContext()
: m_prgSpecifiedColumnWidths(nullptr),
m_fCurColumnWidth(0),
m_bCurColumnWidthAvaiable(false),
m_pOverflowProcessor(nullptr),
m_pOverflowNode(nullptr) {}
~CXFA_LayoutContext() {}
CFX_ArrayTemplate<FX_FLOAT>* m_prgSpecifiedColumnWidths;
FX_FLOAT m_fCurColumnWidth;
bool m_bCurColumnWidthAvaiable;
CXFA_ItemLayoutProcessor* m_pOverflowProcessor;
CXFA_Node* m_pOverflowNode;
};
bool XFA_ItemLayoutProcessor_IsTakingSpace(CXFA_Node* pNode);
class CXFA_ItemLayoutProcessor {
public:
static bool IncrementRelayoutNode(CXFA_LayoutProcessor* pLayoutProcessor,
CXFA_Node* pNode,
CXFA_Node* pParentNode);
CXFA_ItemLayoutProcessor(CXFA_Node* pNode, CXFA_LayoutPageMgr* pPageMgr);
~CXFA_ItemLayoutProcessor();
XFA_ItemLayoutProcessorResult DoLayout(bool bUseBreakControl,
FX_FLOAT fHeightLimit,
FX_FLOAT fRealHeight,
CXFA_LayoutContext* pContext);
void DoLayoutPageArea(CXFA_ContainerLayoutItem* pPageAreaLayoutItem);
CFX_SizeF GetCurrentComponentSize();
CXFA_Node* GetFormNode() { return m_pFormNode; }
bool HasLayoutItem() const { return !!m_pLayoutItem; }
CXFA_ContentLayoutItem* ExtractLayoutItem();
void SplitLayoutItem(FX_FLOAT fSplitPos);
FX_FLOAT FindSplitPos(FX_FLOAT fProposedSplitPos);
bool ProcessKeepForSplit(
CXFA_ItemLayoutProcessor* pParentProcessor,
CXFA_ItemLayoutProcessor* pChildProcessor,
XFA_ItemLayoutProcessorResult eRetValue,
CFX_ArrayTemplate<CXFA_ContentLayoutItem*>* rgCurLineLayoutItem,
FX_FLOAT* fContentCurRowAvailWidth,
FX_FLOAT* fContentCurRowHeight,
FX_FLOAT* fContentCurRowY,
bool* bAddedItemInRow,
bool* bForceEndPage,
XFA_ItemLayoutProcessorResult* result);
void ProcessUnUseOverFlow(CXFA_Node* pLeaderNode,
CXFA_Node* pTrailerNode,
CXFA_ContentLayoutItem* pTrailerItem,
CXFA_Node* pFormNode);
bool IsAddNewRowForTrailer(CXFA_ContentLayoutItem* pTrailerItem);
bool JudgeLeaderOrTrailerForOccur(CXFA_Node* pFormNode);
CXFA_ContentLayoutItem* CreateContentLayoutItem(CXFA_Node* pFormNode);
CXFA_Node* m_pFormNode;
CXFA_ContentLayoutItem* m_pLayoutItem;
CXFA_Node* m_pCurChildNode;
FX_FLOAT m_fUsedSize;
CXFA_LayoutPageMgr* m_pPageMgr;
std::list<CXFA_Node*> m_PendingNodes;
bool m_bBreakPending;
CFX_ArrayTemplate<FX_FLOAT> m_rgSpecifiedColumnWidths;
std::vector<CXFA_ContentLayoutItem*> m_arrayKeepItems;
FX_FLOAT m_fLastRowWidth;
FX_FLOAT m_fLastRowY;
bool m_bUseInheriated;
XFA_ItemLayoutProcessorResult m_ePreProcessRs;
private:
void SetCurrentComponentPos(const CFX_PointF& pos);
void SetCurrentComponentSize(const CFX_SizeF& size);
void SplitLayoutItem(CXFA_ContentLayoutItem* pLayoutItem,
CXFA_ContentLayoutItem* pSecondParent,
FX_FLOAT fSplitPos);
FX_FLOAT InsertKeepLayoutItems();
bool CalculateRowChildPosition(
CFX_ArrayTemplate<CXFA_ContentLayoutItem*> (&rgCurLineLayoutItems)[3],
XFA_ATTRIBUTEENUM eFlowStrategy,
bool bContainerHeightAutoSize,
bool bContainerWidthAutoSize,
FX_FLOAT* fContentCalculatedWidth,
FX_FLOAT* fContentCalculatedHeight,
FX_FLOAT* fContentCurRowY,
FX_FLOAT fContentCurRowHeight,
FX_FLOAT fContentWidthLimit,
bool bRootForceTb);
void ProcessUnUseBinds(CXFA_Node* pFormNode);
bool JudgePutNextPage(CXFA_ContentLayoutItem* pParentLayoutItem,
FX_FLOAT fChildHeight,
std::vector<CXFA_ContentLayoutItem*>* pKeepItems);
void DoLayoutPositionedContainer(CXFA_LayoutContext* pContext);
void DoLayoutTableContainer(CXFA_Node* pLayoutNode);
XFA_ItemLayoutProcessorResult DoLayoutFlowedContainer(
bool bUseBreakControl,
XFA_ATTRIBUTEENUM eFlowStrategy,
FX_FLOAT fHeightLimit,
FX_FLOAT fRealHeight,
CXFA_LayoutContext* pContext,
bool bRootForceTb);
void DoLayoutField();
void GotoNextContainerNode(CXFA_Node*& pCurActionNode,
XFA_ItemLayoutProcessorStages& nCurStage,
CXFA_Node* pParentContainer,
bool bUsePageBreak);
bool ProcessKeepNodesForCheckNext(CXFA_Node*& pCurActionNode,
XFA_ItemLayoutProcessorStages& nCurStage,
CXFA_Node*& pNextContainer,
bool& bLastKeepNode);
bool ProcessKeepNodesForBreakBefore(CXFA_Node*& pCurActionNode,
XFA_ItemLayoutProcessorStages& nCurStage,
CXFA_Node* pContainerNode);
CXFA_Node* GetSubformSetParent(CXFA_Node* pSubformSet);
bool m_bKeepBreakFinish;
bool m_bIsProcessKeep;
CXFA_Node* m_pKeepHeadNode;
CXFA_Node* m_pKeepTailNode;
CXFA_ContentLayoutItem* m_pOldLayoutItem;
CXFA_ItemLayoutProcessor* m_pCurChildPreprocessor;
XFA_ItemLayoutProcessorStages m_nCurChildNodeStage;
std::map<CXFA_Node*, int32_t> m_PendingNodesCount;
FX_FLOAT m_fWidthLimite;
bool m_bHasAvailHeight;
};
#endif // XFA_FXFA_PARSER_XFA_LAYOUT_ITEMLAYOUT_H_
|
