summaryrefslogtreecommitdiff
path: root/xfa/fxfa/parser/cxfa_boxdata.cpp
blob: 6e27c71e56669c6223875eac58e771c9e14813d3 (plain)
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
// Copyright 2016 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

#include "xfa/fxfa/parser/cxfa_boxdata.h"

#include "xfa/fxfa/parser/cxfa_corner.h"
#include "xfa/fxfa/parser/cxfa_cornerdata.h"
#include "xfa/fxfa/parser/cxfa_edge.h"
#include "xfa/fxfa/parser/cxfa_fill.h"
#include "xfa/fxfa/parser/cxfa_margin.h"
#include "xfa/fxfa/parser/cxfa_measurement.h"
#include "xfa/fxfa/parser/cxfa_node.h"

namespace {

std::vector<CXFA_StrokeData> GetStrokesInternal(CXFA_Node* pNode, bool bNull) {
  if (!pNode)
    return {};

  std::vector<CXFA_StrokeData> strokes;
  strokes.resize(8);
  int32_t i, j;
  for (i = 0, j = 0; i < 4; i++) {
    CXFA_CornerData cornerData =
        CXFA_CornerData(pNode->JSObject()->GetProperty<CXFA_Corner>(
            i, XFA_Element::Corner, i == 0));
    if (cornerData.HasValidNode() || i == 0) {
      strokes[j] = cornerData;
    } else if (!bNull) {
      if (i == 1 || i == 2)
        strokes[j] = strokes[0];
      else
        strokes[j] = strokes[2];
    }
    j++;
    CXFA_EdgeData edgeData =
        CXFA_EdgeData(pNode->JSObject()->GetProperty<CXFA_Edge>(
            i, XFA_Element::Edge, i == 0));
    if (edgeData.HasValidNode() || i == 0) {
      strokes[j] = edgeData;
    } else if (!bNull) {
      if (i == 1 || i == 2)
        strokes[j] = strokes[1];
      else
        strokes[j] = strokes[3];
    }
    j++;
  }
  return strokes;
}

static XFA_AttributeEnum Style3D(const std::vector<CXFA_StrokeData>& strokes,
                                 CXFA_StrokeData& strokeData) {
  if (strokes.empty())
    return XFA_AttributeEnum::Unknown;

  strokeData = strokes[0];
  for (size_t i = 1; i < strokes.size(); i++) {
    CXFA_StrokeData find = strokes[i];
    if (!find.HasValidNode())
      continue;

    if (!strokeData.HasValidNode())
      strokeData = find;
    else if (strokeData.GetStrokeType() != find.GetStrokeType())
      strokeData = find;
    break;
  }

  XFA_AttributeEnum iType = strokeData.GetStrokeType();
  if (iType == XFA_AttributeEnum::Lowered ||
      iType == XFA_AttributeEnum::Raised ||
      iType == XFA_AttributeEnum::Etched ||
      iType == XFA_AttributeEnum::Embossed) {
    return iType;
  }
  return XFA_AttributeEnum::Unknown;
}

}  // namespace

XFA_AttributeEnum CXFA_BoxData::GetHand() const {
  if (!m_pNode)
    return XFA_AttributeEnum::Even;
  return m_pNode->JSObject()->GetEnum(XFA_Attribute::Hand);
}

XFA_AttributeEnum CXFA_BoxData::GetPresence() const {
  if (!m_pNode)
    return XFA_AttributeEnum::Hidden;
  return m_pNode->JSObject()
      ->TryEnum(XFA_Attribute::Presence, true)
      .value_or(XFA_AttributeEnum::Visible);
}

int32_t CXFA_BoxData::CountEdges() const {
  if (!m_pNode)
    return 0;
  return m_pNode->CountChildren(XFA_Element::Edge, false);
}

CXFA_EdgeData CXFA_BoxData::GetEdgeData(int32_t nIndex) const {
  return CXFA_EdgeData(m_pNode ? m_pNode->JSObject()->GetProperty<CXFA_Edge>(
                                     nIndex, XFA_Element::Edge, nIndex == 0)
                               : nullptr);
}

std::vector<CXFA_StrokeData> CXFA_BoxData::GetStrokes() const {
  return GetStrokesInternal(m_pNode, false);
}

bool CXFA_BoxData::IsCircular() const {
  if (!m_pNode)
    return false;
  return m_pNode->JSObject()->GetBoolean(XFA_Attribute::Circular);
}

pdfium::Optional<int32_t> CXFA_BoxData::GetStartAngle() const {
  if (!m_pNode)
    return {};
  return m_pNode->JSObject()->TryInteger(XFA_Attribute::StartAngle, false);
}

pdfium::Optional<int32_t> CXFA_BoxData::GetSweepAngle() const {
  if (!m_pNode)
    return {};
  return m_pNode->JSObject()->TryInteger(XFA_Attribute::SweepAngle, false);
}

CXFA_FillData CXFA_BoxData::GetFillData(bool bModified) const {
  if (!m_pNode)
    return CXFA_FillData(nullptr);

  CXFA_Node* pFillNode = m_pNode->JSObject()->GetProperty<CXFA_Fill>(
      0, XFA_Element::Fill, bModified);
  return CXFA_FillData(pFillNode);
}

CXFA_MarginData CXFA_BoxData::GetMarginData() const {
  return CXFA_MarginData(
      m_pNode ? m_pNode->GetChild<CXFA_Margin>(0, XFA_Element::Margin, false)
              : nullptr);
}

std::tuple<XFA_AttributeEnum, bool, float> CXFA_BoxData::Get3DStyle() const {
  if (IsArc())
    return {XFA_AttributeEnum::Unknown, false, 0.0f};

  std::vector<CXFA_StrokeData> strokes = GetStrokesInternal(m_pNode, true);
  CXFA_StrokeData strokeData(nullptr);
  XFA_AttributeEnum iType = Style3D(strokes, strokeData);
  if (iType == XFA_AttributeEnum::Unknown)
    return {XFA_AttributeEnum::Unknown, false, 0.0f};

  return {iType, strokeData.IsVisible(), strokeData.GetThickness()};
}