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08a9bcba0a
Flip all scale based widgets to use scale denominators instead of actual scales (ie 100.0 instead of 0.01 for 1:100). This is done for consistency with the rest of the API, which predominantly uses scale denominators. It also helps precision loss as a result of multiple 1.0 / scale conversions throughout the code. Refs #15337
152 lines
4.7 KiB
Plaintext
152 lines
4.7 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/gui/qgsscalewidget.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsScaleWidget : QWidget
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{
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%Docstring
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A combobox which lets the user select map scale from predefined list
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and highlights nearest to current scale value
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*
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%End
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%TypeHeaderCode
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#include "qgsscalewidget.h"
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%End
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public:
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explicit QgsScaleWidget( QWidget *parent /TransferThis/ = 0 );
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%Docstring
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QgsScaleWidget creates a combobox which lets the user select map scale from predefined list
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and highlights nearest to current scale value
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*
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%End
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void setShowCurrentScaleButton( bool showCurrentScaleButton );
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%Docstring
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Sets whether to show a button to set the scale to the current scale of the map canvas next to the combobox.
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.. note::
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the map canvas must be defined to show the button
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.. seealso:: showCurrentScaleButton()
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.. seealso:: setMapCanvas()
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%End
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bool showCurrentScaleButton();
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%Docstring
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Returns whether a button to set the scale from map canvas is shown or not.
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.. seealso:: setShowCurrentScaleButton()
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:rtype: bool
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%End
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void setMapCanvas( QgsMapCanvas *canvas );
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%Docstring
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Set the map ``canvas`` associated to the current button.
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%End
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QString scaleString() const;
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%Docstring
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Returns the selected scale as a string, e.g. "1:150".
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.. seealso:: setScaleString()
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:rtype: str
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%End
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bool setScaleString( const QString &string );
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%Docstring
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Set the selected scale from a ``string``, e.g. "1:150".
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.. seealso:: scaleString()
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:rtype: bool
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%End
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double scale() const;
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%Docstring
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Returns the selected scale as a double.
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The scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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.. seealso:: setScale()
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:rtype: float
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%End
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double minScale() const;
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%Docstring
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Returns the minimum scale, or 0 if no minimum scale set.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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Any scale lower than the minimum scale will automatically be converted to the minimum scale.
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Except for 0 which is always allowed.
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:rtype: float
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%End
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static QString toString( double scale );
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%Docstring
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Helper function to convert a ``scale`` double to scale string.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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The returned string will be rounded (e.g. 1:1000, not 1:1000.345).
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.. seealso:: toDouble()
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:rtype: str
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%End
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static double toDouble( const QString &scaleString, bool *ok = 0 );
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%Docstring
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Helper function to convert a scale ``string`` to double.
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The returned value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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If specified, ``ok`` will be set to true if the string was successfully interpreted as a scale.
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.. seealso:: toString()
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:rtype: float
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%End
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public slots:
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void setScale( double scale );
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%Docstring
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Set the selected scale from a double.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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.. seealso:: scale()
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%End
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void updateScales( const QStringList &scales = QStringList() );
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%Docstring
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Sets the list of predefined ``scales`` to show in the combobox. List elements
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are expected to be valid scale strings, such as "1:1000000".
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%End
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void setScaleFromCanvas();
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%Docstring
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Assigns the current scale from the map canvas, if set.
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.. seealso:: setMapCanvas()
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%End
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void setMinScale( double scale );
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%Docstring
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Set the minimum allowed ``scale``. Set to 0 to disable the minimum scale.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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Any scale lower than the minimum scale will automatically be converted to the minimum scale.
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Except for 0 which is always allowed.
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%End
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signals:
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void scaleChanged( double scale );
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%Docstring
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Emitted when *user* has finished editing/selecting a new scale.
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The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
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%End
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/gui/qgsscalewidget.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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