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/** This class contains information about how to simplify geometries fetched from a QgsFeatureIterator
* @note added in 2.2
*/
class QgsSimplifyMethod
{
%TypeHeaderCode
#include "qgssimplifymethod.h"
%End
public:
enum MethodType
{
NoSimplification, //!< No simplification is applied
OptimizeForRendering, //!< Simplify using the map2pixel data to optimize the rendering of geometries
PreserveTopology //!< Simplify using the Douglas-Peucker algorithm ensuring that the result is a valid geometry
};
//! construct a default method
QgsSimplifyMethod();
//! copy constructor
QgsSimplifyMethod( const QgsSimplifyMethod& rh );
//! Sets the simplification type
void setMethodType( MethodType methodType );
//! Gets the simplification type
MethodType methodType() const;
//! Sets the tolerance of simplification. Represents the maximum distance between two coordinates which can be considered equal
void setTolerance( double tolerance );
//! Gets the tolerance of simplification
double tolerance() const;
//! Sets whether the simplification executes after fetch the geometries from provider, otherwise it executes, when supported, in provider before fetch the geometries
void setForceLocalOptimization( bool localOptimization );
//! Gets whether the simplification executes after fetch the geometries from provider, otherwise it executes, when supported, in provider before fetch the geometries
bool forceLocalOptimization() const;
//! Creates a geometry simplifier according to specified method
static QgsAbstractGeometrySimplifier* createGeometrySimplifier( const QgsSimplifyMethod& simplifyMethod );
};
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