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