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class QgsMapToPixelSimplifier : QgsAbstractGeometrySimplifier
{
%TypeHeaderCode
#include "qgsmaptopixelgeometrysimplifier.h"
%End
public:
QgsMapToPixelSimplifier( int simplifyFlags, double tolerance );
virtual ~QgsMapToPixelSimplifier();
//! Applicable simplification flags
enum SimplifyFlag
{
NoFlags = 0, //!< No simplification can be applied
SimplifyGeometry = 1, //!< The geometries can be simplified using the current map2pixel context state
SimplifyEnvelope = 2, //!< The geometries can be fully simplified by its BoundingBox
};
public:
int simplifyFlags() const;
void setSimplifyFlags( int simplifyFlags );
//! Returns a simplified version the specified geometry
virtual QgsGeometry* simplify( QgsGeometry* geometry ) const;
//! Simplifies the specified geometry
virtual bool simplifyGeometry( QgsGeometry* geometry ) const;
// MapToPixel simplification helper methods
public:
//! Returns whether the envelope can be replaced by its BBOX when is applied the specified map2pixel context
static bool canbeGeneralizedByMapBoundingBox( const QgsRectangle& envelope, double map2pixelTol );
//! Returns whether the envelope can be replaced by its BBOX when is applied the specified map2pixel context
bool canbeGeneralizedByMapBoundingBox( const QgsRectangle& envelope ) const;
//! Simplifies the geometry when is applied the specified map2pixel context
static bool simplifyGeometry( QgsGeometry* geometry, int simplifyFlags, double tolerance );
};
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