Developer Documentation
matrix4x4Wrapper.cc
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45 
46 
47 //=============================================================================
48 //
49 // Wrapper for Matrix4x4 ( ACG::Matrix4x4d ) - IMPLEMENTATION
50 //
51 //=============================================================================
52 
53 
54 //== INCLUDES =================================================================
55 
56 #include "matrix4x4Wrapper.hh"
57 
58 //== IMPLEMENTATION ==========================================================
59 
60 //=== Matrix4x4 ( = Vec3d) =======================================================
61 
62 QScriptValue toScriptValueMatrix4x4(QScriptEngine *engine, const Matrix4x4 &s)
63 {
64  QScriptValue obj = engine->newObject();
65  for ( uint i = 0 ; i < 4 ; ++i )
66  for ( uint j = 0 ; j < 4 ; ++j )
67  obj.setProperty(QString::number(i) + QString::number(j),QScriptValue(engine, s(i,j)) );
68  return obj;
69 }
70 
71 void fromScriptValueMatrix4x4(const QScriptValue &obj, Matrix4x4 &s)
72 {
73  if (obj.isObject()) {
74  for ( uint i = 0 ; i < 4 ; ++i )
75  for ( uint j = 0 ; j < 4 ; ++j )
76  s(i,j) = obj.property(QString::number(i) + QString::number(j)).toNumber();
77  return;
78  }
79 
80  QString _from = obj.toString();
81  if (_from.startsWith ("Matrix4x4 ("))
82  _from.remove (0, 11);
83  else if (_from.startsWith ("Matrix4x4 : ("))
84  _from.remove (0, 14);
85  if (_from.endsWith (")"))
86  _from.remove (_from.length () - 1, 1);
87 
88  QStringList sl = _from.split (',');
89 
90  float v[16];
91  bool ok = true;
92 
93  if (sl.length () == 16)
94  {
95  for (int i = 0; i < 16 && ok; i++)
96  v[i] = sl[i].toFloat (&ok);
97 
98  if (ok)
99  for (int i = 0; i < 16; i++)
100  s(i/4,i%4) = v[i];
101  else
102  {
103  for (int i = 0; i < 16; i++)
104  s(i/4,i%4) = 0;
105  std::cerr << "String to Matrix4x4 conversion failed!" << std::endl;
106  }
107  }
108 }
109 
110 QScriptValue createMatrix4x4(QScriptContext *context, QScriptEngine *engine)
111 {
112  Matrix4x4 s;
113 
114  QScriptValue callee = context->callee();
115 
116  // If arguments are given, use them for initialization otherwise
117  // initialize with 0
118  if (context->argumentCount() == 16) {
119  for ( uint i = 0 ; i < 4 ; ++i )
120  for ( uint j = 0 ; j < 4 ; ++j )
121  s(i,j) = context->argument(i*4+j).toNumber();
122  } else {
123  for ( uint i = 0 ; i < 4 ; ++i )
124  for ( uint j = 0 ; j < 4 ; ++j )
125  s(i,j) = 0;
126  }
127 
128  return engine->toScriptValue(s);
129 }
130 
131 QScriptValue Matrix4x4ToString(QScriptContext *context, QScriptEngine *engine)
132 {
133  QString result = "Matrix4x4 : ( ";
134 
135  for ( uint i = 0 ; i < 4 ; ++i )
136  for ( uint j = 0 ; j < 4 ; ++j ) {
137  if ( i == 3 && j == 3 )
138  break;
139  result = result + context->thisObject().property(QString::number(i) + QString::number(j)).toString() + " , ";
140  }
141 
142  result = result + context->thisObject().property("33").toString() + " ) ";
143 
144  return QScriptValue(engine, result);
145 }
146 
147 //=============================================================================
148