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65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
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class QgsTolerance
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{
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%TypeHeaderCode
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#include <qgstolerance.h>
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%End
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public:
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/** Type of unit of tolerance value from settings.
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* For map (project) units, use ProjectUnits. */
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enum UnitType
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{
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/** Layer unit value */
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LayerUnits,
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/** Pixels unit of tolerance*/
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Pixels,
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/** Map (project) units. Added in 2.8 */
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ProjectUnits
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};
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/**
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* Static function to get vertex tolerance value.
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* The value is read from settings and transformed if necessary.
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* @return value of vertex tolerance in map units (not layer units)
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* @note added in 2.8
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*/
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static double vertexSearchRadius( const QgsMapSettings &mapSettings );
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/**
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* Static function to get vertex tolerance value for a layer.
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* The value is read from settings and transformed if necessary.
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* @return value of vertex tolerance in layer units
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*/
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static double vertexSearchRadius( QgsMapLayer *layer, const QgsMapSettings &mapSettings );
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/**
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* Static function to get default tolerance value for a layer.
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* The value is read from settings and transformed if necessary.
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* @return value of default tolerance in layer units
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*/
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static double defaultTolerance( QgsMapLayer *layer, const QgsMapSettings &mapSettings );
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/**
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* Static function to translate tolerance value into map units
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* @param tolerance tolerance value to be translated
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* @param layer source layer necessary in case tolerance is in layer units
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* @param mapSettings settings of the map
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* @param units type of units to be translated
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* @return value of tolerance in map units
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* @note added in 2.8
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*/
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static double toleranceInProjectUnits( double tolerance, QgsMapLayer *layer, const QgsMapSettings &mapSettings, QgsTolerance::UnitType units );
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/**
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* Static function to translate tolerance value into layer units
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* @param tolerance tolerance value to be translated
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* @param layer reference layer
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* @param mapSettings settings of the map
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* @param units type of units to be translated
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* @return value of tolerance in layer units
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*/
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static double toleranceInMapUnits( double tolerance, QgsMapLayer *layer, const QgsMapSettings &mapSettings, UnitType units = LayerUnits );
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};
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