15 #ifndef QGSWKBSIMPLIFIERPTR_H    16 #define QGSWKBSIMPLIFIERPTR_H    59     inline operator const unsigned char *() 
const { 
return mP; }
    62 #endif // QGSWKBSIMPLIFIERPTR_H 
A geometry is the spatial representation of a feature. 
 
void operator-=(int n)
Move position backward. 
 
const QgsConstWkbPtr & operator>>(float &r) const
Read a float. 
 
const QgsConstWkbPtr & operator>>(char &v) const
Read a char. 
 
const QgsConstWkbPtr & operator>>(double &v) const
 
const QgsConstWkbPtr & operator>>(int &v) const
Read a int. 
 
void operator+=(int n)
Move position forward. 
 
const QgsConstWkbPtr & operator>>(unsigned int &v) const
Read a uint. 
 
This class contains information how to simplify geometries fetched from a vector layer. 
 
const QgsConstWkbPtr & operator>>(double &v) const
Read a double.