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
189
190
191
192
193
194
195
|
// 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 "core/fxcrt/include/fx_basic.h"
#include "xfa/fxfa/parser/xfa_doclayout.h"
#include "xfa/fxfa/parser/xfa_document_layout_imp.h"
#define XFA_LAYOUT_INVALIDNODE ((CXFA_Node*)(intptr_t)-1)
#define XFA_LAYOUT_FLOAT_PERCISION (0.0005f)
#define XFA_LAYOUT_FLOAT_MAX FLT_MAX
class CXFA_ContainerLayoutItem;
class CXFA_ContentLayoutItem;
class CXFA_ItemLayoutProcessor;
class CXFA_LayoutPageMgr;
class CXFA_Node;
enum XFA_ItemLayoutProcessorResult {
XFA_ItemLayoutProcessorResult_Done,
XFA_ItemLayoutProcessorResult_PageFullBreak,
XFA_ItemLayoutProcessorResult_RowFullBreak,
XFA_ItemLayoutProcessorResult_ManualBreak,
};
enum XFA_ItemLayoutProcessorStages {
XFA_ItemLayoutProcessorStages_None,
XFA_ItemLayoutProcessorStages_BookendLeader,
XFA_ItemLayoutProcessorStages_BreakBefore,
XFA_ItemLayoutProcessorStages_Keep,
XFA_ItemLayoutProcessorStages_Container,
XFA_ItemLayoutProcessorStages_BreakAfter,
XFA_ItemLayoutProcessorStages_BookendTrailer,
XFA_ItemLayoutProcessorStages_Done,
};
class CXFA_LayoutContext {
public:
CXFA_LayoutContext()
: m_prgSpecifiedColumnWidths(NULL),
m_fCurColumnWidth(0),
m_bCurColumnWidthAvaiable(FALSE),
m_pOverflowProcessor(NULL),
m_pOverflowNode(NULL) {}
~CXFA_LayoutContext() { m_pOverflowProcessor = NULL; }
CFX_ArrayTemplate<FX_FLOAT>* m_prgSpecifiedColumnWidths;
FX_FLOAT m_fCurColumnWidth;
FX_BOOL m_bCurColumnWidthAvaiable;
CXFA_ItemLayoutProcessor* m_pOverflowProcessor;
CXFA_Node* m_pOverflowNode;
};
class CXFA_ItemLayoutProcessor {
public:
CXFA_ItemLayoutProcessor(CXFA_Node* pNode, CXFA_LayoutPageMgr* pPageMgr);
XFA_ItemLayoutProcessorResult DoLayout(
FX_BOOL bUseBreakControl,
FX_FLOAT fHeightLimit,
FX_FLOAT fRealHeight = XFA_LAYOUT_FLOAT_MAX,
CXFA_LayoutContext* pContext = NULL);
void GetCurrentComponentPos(FX_FLOAT& fAbsoluteX, FX_FLOAT& fAbsoluteY);
void GetCurrentComponentSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
void SetCurrentComponentPos(FX_FLOAT fAbsoluteX, FX_FLOAT fAbsoluteY);
void SetCurrentComponentSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
inline CXFA_Node* GetFormNode() { return m_pFormNode; }
inline FX_BOOL HasLayoutItem() { return m_pLayoutItem != NULL; }
CXFA_ContentLayoutItem* ExtractLayoutItem();
static FX_BOOL IncrementRelayoutNode(CXFA_LayoutProcessor* pLayoutProcessor,
CXFA_Node* pNode,
CXFA_Node* pParentNode);
static void CalculatePositionedContainerPos(CXFA_Node* pNode,
FX_FLOAT fWidth,
FX_FLOAT fHeight,
FX_FLOAT& fAbsoluteX,
FX_FLOAT& fAbsoluteY);
static FX_BOOL FindLayoutItemSplitPos(CXFA_ContentLayoutItem* pLayoutItem,
FX_FLOAT fCurVerticalOffset,
FX_FLOAT& fProposedSplitPos,
FX_BOOL& bAppChange,
FX_BOOL bCalculateMargin = TRUE);
FX_FLOAT FindSplitPos(FX_FLOAT fProposedSplitPos);
void SplitLayoutItem(CXFA_ContentLayoutItem* pLayoutItem,
CXFA_ContentLayoutItem* pSecondParent,
FX_FLOAT fSplitPos);
void SplitLayoutItem(FX_FLOAT fSplitPos);
FX_BOOL JudgePutNextPage(
CXFA_ContentLayoutItem* pParentLayoutItem,
FX_FLOAT fChildHeight,
CFX_ArrayTemplate<CXFA_ContentLayoutItem*>& pKeepItems);
FX_BOOL ProcessKeepForSplite(
CXFA_ItemLayoutProcessor* pParentProcessor,
CXFA_ItemLayoutProcessor* pChildProcessor,
XFA_ItemLayoutProcessorResult eRetValue,
CFX_ArrayTemplate<CXFA_ContentLayoutItem*>& rgCurLineLayoutItem,
FX_FLOAT& fContentCurRowAvailWidth,
FX_FLOAT& fContentCurRowHeight,
FX_FLOAT& fContentCurRowY,
FX_BOOL& bAddedItemInRow,
FX_BOOL& bForceEndPage,
XFA_ItemLayoutProcessorResult& result);
FX_FLOAT InsertKeepLayoutItems();
void DoLayoutPageArea(CXFA_ContainerLayoutItem* pPageAreaLayoutItem);
FX_BOOL CalculateRowChildPosition(
CFX_ArrayTemplate<CXFA_ContentLayoutItem*>(&rgCurLineLayoutItems)[3],
XFA_ATTRIBUTEENUM eFlowStrategy,
FX_BOOL bContainerHeightAutoSize,
FX_BOOL bContainerWidthAutoSize,
FX_FLOAT& fContentCalculatedWidth,
FX_FLOAT& fContentCalculatedHeight,
FX_FLOAT& fContentCurRowY,
FX_FLOAT fContentCurRowHeight,
FX_FLOAT fContentWidthLimit,
FX_BOOL bRootForceTb = FALSE);
void ProcessUnUseOverFlow(CXFA_Node* pLeaderNode,
CXFA_Node* pTrailerNode,
CXFA_ContentLayoutItem* pTrailerItem,
CXFA_Node* pFormNode);
void ProcessUnUseBinds(CXFA_Node* pFormNode);
FX_BOOL IsAddNewRowForTrailer(CXFA_ContentLayoutItem* pTrailerItem);
FX_BOOL JudgeLeaderOrTrailerForOccur(CXFA_Node* pFormNode);
CXFA_ContentLayoutItem* CreateContentLayoutItem(CXFA_Node* pFormNode);
protected:
void DoLayoutPositionedContainer(CXFA_LayoutContext* pContext = NULL);
void DoLayoutTableContainer(CXFA_Node* pLayoutNode);
XFA_ItemLayoutProcessorResult DoLayoutFlowedContainer(
FX_BOOL bUseBreakControl,
XFA_ATTRIBUTEENUM eFlowStrategy,
FX_FLOAT fHeightLimit,
FX_FLOAT fRealHeight,
CXFA_LayoutContext* pContext = NULL,
FX_BOOL bRootForceTb = FALSE);
void DoLayoutField();
void XFA_ItemLayoutProcessor_GotoNextContainerNode(
CXFA_Node*& pCurActionNode,
XFA_ItemLayoutProcessorStages& nCurStage,
CXFA_Node* pParentContainer,
FX_BOOL bUsePageBreak);
FX_BOOL ProcessKeepNodesForCheckNext(CXFA_Node*& pCurActionNode,
XFA_ItemLayoutProcessorStages& nCurStage,
CXFA_Node*& pNextContainer,
FX_BOOL& bLastKeepNode);
FX_BOOL ProcessKeepNodesForBreakBefore(
CXFA_Node*& pCurActionNode,
XFA_ItemLayoutProcessorStages& nCurStage,
CXFA_Node* pContainerNode);
CXFA_Node* GetSubformSetParent(CXFA_Node* pSubformSet);
public:
FX_BOOL m_bKeepBreakFinish;
FX_BOOL m_bIsProcessKeep;
CXFA_Node* m_pKeepHeadNode;
CXFA_Node* m_pKeepTailNode;
CXFA_Node* m_pFormNode;
CXFA_ContentLayoutItem* m_pLayoutItem;
CXFA_ContentLayoutItem* m_pOldLayoutItem;
CXFA_Node* m_pCurChildNode;
CXFA_ItemLayoutProcessor* m_pCurChildPreprocessor;
XFA_ItemLayoutProcessorStages m_nCurChildNodeStage;
FX_FLOAT m_fUsedSize;
CXFA_LayoutPageMgr* m_pPageMgr;
std::list<CXFA_Node*> m_PendingNodes;
FX_BOOL m_bBreakPending;
CFX_ArrayTemplate<FX_FLOAT> m_rgSpecifiedColumnWidths;
CFX_ArrayTemplate<CXFA_ContentLayoutItem*> m_arrayKeepItems;
CFX_MapPtrToPtr m_PendingNodesCount;
FX_FLOAT m_fLastRowWidth;
FX_FLOAT m_fLastRowY;
FX_FLOAT m_fWidthLimite;
FX_BOOL m_bUseInheriated;
XFA_ItemLayoutProcessorResult m_ePreProcessRs;
FX_BOOL m_bHasAvailHeight;
};
FX_BOOL XFA_ItemLayoutProcessor_IsTakingSpace(CXFA_Node* pNode);
#endif // XFA_FXFA_PARSER_XFA_LAYOUT_ITEMLAYOUT_H_
|
