Developer Documentation
matrix4x4Wrapper.cc
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50 
51 
52 
53 //=============================================================================
54 //
55 // Wrapper for Matrix4x4 ( ACG::Matrix4x4d ) - IMPLEMENTATION
56 //
57 //=============================================================================
58 
59 
60 //== INCLUDES =================================================================
61 
62 #include "matrix4x4Wrapper.hh"
63 
64 //== IMPLEMENTATION ==========================================================
65 
66 //=== Matrix4x4 ( = Vec3d) =======================================================
67 
68 QScriptValue toScriptValueMatrix4x4(QScriptEngine *engine, const Matrix4x4 &s)
69 {
70  QScriptValue obj = engine->newObject();
71  for ( uint i = 0 ; i < 4 ; ++i )
72  for ( uint j = 0 ; j < 4 ; ++j )
73  obj.setProperty(QString::number(i) + QString::number(j),QScriptValue(engine, s(i,j)) );
74  return obj;
75 }
76 
77 void fromScriptValueMatrix4x4(const QScriptValue &obj, Matrix4x4 &s)
78 {
79  if (obj.isObject()) {
80  for ( uint i = 0 ; i < 4 ; ++i )
81  for ( uint j = 0 ; j < 4 ; ++j )
82  s(i,j) = obj.property(QString::number(i) + QString::number(j)).toNumber();
83  return;
84  }
85 
86  QString _from = obj.toString();
87  if (_from.startsWith ("Matrix4x4 ("))
88  _from.remove (0, 11);
89  else if (_from.startsWith ("Matrix4x4 : ("))
90  _from.remove (0, 14);
91  if (_from.endsWith (")"))
92  _from.remove (_from.length () - 1, 1);
93 
94  QStringList sl = _from.split (',');
95 
96  float v[16];
97  bool ok = true;
98 
99  if (sl.length () == 16)
100  {
101  for (int i = 0; i < 16 && ok; i++)
102  v[i] = sl[i].toFloat (&ok);
103 
104  if (ok)
105  for (int i = 0; i < 16; i++)
106  s(i/4,i%4) = v[i];
107  else
108  {
109  for (int i = 0; i < 16; i++)
110  s(i/4,i%4) = 0;
111  std::cerr << "String to Matrix4x4 conversion failed!" << std::endl;
112  }
113  }
114 }
115 
116 QScriptValue createMatrix4x4(QScriptContext *context, QScriptEngine *engine)
117 {
118  Matrix4x4 s;
119 
120  QScriptValue callee = context->callee();
121 
122  // If arguments are given, use them for initialization otherwise
123  // initialize with 0
124  if (context->argumentCount() == 16) {
125  for ( uint i = 0 ; i < 4 ; ++i )
126  for ( uint j = 0 ; j < 4 ; ++j )
127  s(i,j) = context->argument(i*4+j).toNumber();
128  } else {
129  for ( uint i = 0 ; i < 4 ; ++i )
130  for ( uint j = 0 ; j < 4 ; ++j )
131  s(i,j) = 0;
132  }
133 
134  return engine->toScriptValue(s);
135 }
136 
137 QScriptValue Matrix4x4ToString(QScriptContext *context, QScriptEngine *engine)
138 {
139  QString result = "Matrix4x4 : ( ";
140 
141  for ( uint i = 0 ; i < 4 ; ++i )
142  for ( uint j = 0 ; j < 4 ; ++j ) {
143  if ( i == 3 && j == 3 )
144  break;
145  result = result + context->thisObject().property(QString::number(i) + QString::number(j)).toString() + " , ";
146  }
147 
148  result = result + context->thisObject().property("33").toString() + " ) ";
149 
150  return QScriptValue(engine, result);
151 }
152 
153 //=============================================================================
154