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47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
/*!
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* \class QgsMapUnitScale
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* \brief Struct for storing maximum and minimum scales for measurements in map units
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*
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* For measurements in map units, a minimum and a maximum scale can be defined.
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* Outside this range, the measurements aren't scaled anymore proportionally to
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* the map scale.
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*/
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class QgsMapUnitScale
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{
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%TypeHeaderCode
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#include <qgsmapunitscale.h>
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%End
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public:
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/** Constructor for QgsMapUnitScale
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* @param minScale minimum allowed scale, or 0.0 if no minimum scale set
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* @param maxScale maximum allowed scale, or 0.0 if no maximum scale set
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*/
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explicit QgsMapUnitScale( double minScale = 0.0, double maxScale = 0.0 );
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/** The minimum scale, or 0.0 if unset */
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double minScale;
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/** The maximum scale, or 0.0 if unset */
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double maxScale;
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/** Whether the minimum size in mm should be respected */
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bool minSizeMMEnabled;
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/** The minimum size in millimeters, or 0.0 if unset */
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double minSizeMM;
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/** Whether the maximum size in mm should be respected */
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bool maxSizeMMEnabled;
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/** The maximum size in millimeters, or 0.0 if unset */
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double maxSizeMM;
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/** Computes a map units per pixel scaling factor, respecting the minimum and maximum scales
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* set for the object.
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* @param c render context
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* @returns map units per pixel, limited between minimum and maximum scales
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*/
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double computeMapUnitsPerPixel( const QgsRenderContext &c ) const;
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bool operator==( const QgsMapUnitScale &other ) const;
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bool operator!=( const QgsMapUnitScale &other ) const;
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};
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