1 #include "vertexdatainterpreter.h"
13 sizeForType(int glType)
17 return sizeof(GLfloat);
18 case GL_UNSIGNED_BYTE:
19 return sizeof(GLubyte);
21 return sizeof(GLbyte);
23 return sizeof(GLshort);
24 case GL_UNSIGNED_SHORT:
25 return sizeof(GLushort);
29 return sizeof(GLuint);
31 return sizeof(GLdouble);
39 convertData(const QByteArray &dataArray,
46 const char *data = dataArray.constData();
47 int typeSize = sizeForType(type);
48 int elementSize = numComponents * typeSize;
53 int numElements = dataArray.size() / stride;
55 if ((numElements % numComponents) != 0) {
56 int temp = qFloor(dataArray.size() / (float)stride);
57 int fullElemSize = temp * stride;
58 if (fullElemSize + numComponents * typeSize <= dataArray.size()){
59 /* num full elements plus the part of the buffer in which we fit */
60 numElements = temp + 1;
67 qDebug() << "numElements = "<<numElements;
68 qDebug() << "elementSize = "<<elementSize;
69 qDebug() << "stride = "<<stride;
70 qDebug() << "numComponents = "<<numComponents;
71 qDebug() << "typeSize = "<<typeSize;
75 for (int i = 0; i < numElements; ++i) {
76 QString vectorString = QString::fromLatin1("%1) [").arg(i);
77 for (int j = 0; j < numComponents; ++j) {
78 int offset = i*stride + j*typeSize;
80 (const T*)(data + offset);
82 vectorString += QString::number(elem);
83 if ((j + 1) < numComponents)
84 vectorString += QLatin1String(", ");
87 strings += vectorString;
94 VertexDataInterpreter::VertexDataInterpreter(QObject *parent)
103 void VertexDataInterpreter::setData(const QByteArray &data)
107 m_listWidget->clear();
110 QByteArray VertexDataInterpreter::data() const
115 void VertexDataInterpreter::setType(int type)
120 int VertexDataInterpreter::type() const
125 void VertexDataInterpreter::setStride(int stride)
130 int VertexDataInterpreter::stride() const
135 void VertexDataInterpreter::setComponents(int num)
140 int VertexDataInterpreter::components() const
145 void VertexDataInterpreter::setListWidget(QListWidget *listWidget)
147 m_listWidget = listWidget;
150 void VertexDataInterpreter::interpretData()
155 m_listWidget->clear();
157 if (m_data.isEmpty() || !m_components)
163 lst = convertData<float>(m_data, m_type, m_stride, m_components);
165 case GL_UNSIGNED_BYTE:
166 lst = convertData<quint8>(m_data, m_type, m_stride, m_components);
169 lst = convertData<qint8>(m_data, m_type, m_stride, m_components);
172 lst = convertData<qint16>(m_data, m_type, m_stride, m_components);
174 case GL_UNSIGNED_SHORT:
175 lst = convertData<quint16>(m_data, m_type, m_stride, m_components);
178 lst = convertData<unsigned int>(m_data, m_type, m_stride, m_components);
180 case GL_UNSIGNED_INT:
181 lst = convertData<int>(m_data, m_type, m_stride, m_components);
184 lst = convertData<double>(m_data, m_type, m_stride, m_components);
187 qDebug()<<"unkown gltype = "<<m_type;
189 //qDebug()<<"list is "<<lst;
190 m_listWidget->addItems(lst);
194 void VertexDataInterpreter::setTypeFromString(const QString &str)
196 if (str == QLatin1String("GL_FLOAT")) {
198 } else if (str == QLatin1String("GL_INT")) {
200 } else if (str == QLatin1String("GL_UNSIGNED_INT")) {
201 setType(GL_UNSIGNED_INT);
202 } else if (str == QLatin1String("GL_SHORT")) {
204 } else if (str == QLatin1String("GL_UNSIGNED_SHORT")) {
205 setType(GL_UNSIGNED_SHORT);
206 } else if (str == QLatin1String("GL_BYTE")) {
208 } else if (str == QLatin1String("GL_UNSIGNED_BYTE")) {
209 setType(GL_UNSIGNED_BYTE);
210 } else if (str == QLatin1String("GL_DOUBLE")) {
213 qDebug()<<"unknown vertex data type";
217 #include "vertexdatainterpreter.moc"