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src
gui
qgssnaptogridcanvasitem.h
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/***************************************************************************
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qgssnaptogridcanvasitem.h
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----------------------
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begin : August 2018
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copyright : (C) Matthias Kuhn
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email :
[email protected]
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSSNAPTOGRIDCANVASITEM_H
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#define QGSSNAPTOGRIDCANVASITEM_H
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#include <QObject>
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#include <QPen>
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#include "
qgscoordinatereferencesystem.h
"
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#include "
qgsmapcanvasitem.h
"
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#include "
qgscoordinatetransform.h
"
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#ifdef SIP_RUN
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% ModuleHeaderCode
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// For ConvertToSubClassCode.
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#include <
qgssnaptogridcanvasitem.h
>
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% End
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#endif
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#ifndef SIP_RUN
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class
GUI_EXPORT
QgsSnapToGridCanvasItem
:
public
QObject,
public
QgsMapCanvasItem
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{
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#else
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class
GUI_EXPORT
QgsSnapToGridCanvasItem
:
public
QgsMapCanvasItem
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{
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#endif
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Q_OBJECT
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#ifdef SIP_RUN
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SIP_CONVERT_TO_SUBCLASS_CODE
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if
(
dynamic_cast<
QgsSnapToGridCanvasItem
*
>
( sipCpp ) )
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{
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sipType = sipType_QgsSnapToGridCanvasItem;
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// We need to tweak the pointer as sip believes it is single inheritance
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// from QgsMapCanvasItem, but the raw address of QgsSnapToGridCanvasItem (sipCpp)
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// is actually a QObject
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*sipCppRet =
dynamic_cast<
QgsSnapToGridCanvasItem
*
>
( sipCpp );
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}
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else
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sipType =
nullptr
;
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SIP_END
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#endif
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public
:
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QgsSnapToGridCanvasItem
(
QgsMapCanvas
*mapCanvas
SIP_TRANSFERTHIS
);
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void
paint( QPainter *painter )
override
;
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QgsPointXY
point()
const
;
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void
setPoint(
const
QgsPointXY
&point );
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double
precision
()
const
;
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void
setPrecision(
double
precision
);
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QgsCoordinateReferenceSystem
crs
()
const
;
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void
setCrs(
const
QgsCoordinateReferenceSystem
&
crs
);
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bool
enabled()
const
;
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void
setEnabled(
bool
enabled );
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private
slots:
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void
updateMapCanvasCrs();
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void
updateZoomFactor();
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private
:
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QPen mGridPen = QPen( QColor( 127, 127, 127, 150 ) );
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QPen mCurrentPointPen = QPen( QColor( 200, 200, 200, 150 ) );
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bool
mEnabled =
true
;
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bool
mAvailableByZoomFactor =
false
;
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double
mPrecision = 0.0;
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QgsCoordinateTransform
mTransform;
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QgsPointXY
mPoint;
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};
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#endif
// QGSSNAPTOGRIDCANVASITEM_H
QgsCoordinateReferenceSystem
This class represents a coordinate reference system (CRS).
Definition
qgscoordinatereferencesystem.h:212
QgsCoordinateTransform
Class for doing transforms between two map coordinate systems.
Definition
qgscoordinatetransform.h:58
QgsMapCanvasItem
An abstract class for items that can be placed on the map canvas.
Definition
qgsmapcanvasitem.h:34
QgsMapCanvas
Map canvas is a class for displaying all GIS data types on a canvas.
Definition
qgsmapcanvas.h:93
QgsPointXY
A class to represent a 2D point.
Definition
qgspointxy.h:60
QgsSnapToGridCanvasItem
Shows a grid on the map canvas given a spatial resolution.
Definition
qgssnaptogridcanvasitem.h:42
SIP_CONVERT_TO_SUBCLASS_CODE
#define SIP_CONVERT_TO_SUBCLASS_CODE(code)
Definition
qgis_sip.h:191
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition
qgis_sip.h:53
SIP_END
#define SIP_END
Definition
qgis_sip.h:208
qgscoordinatereferencesystem.h
qgscoordinatetransform.h
qgsmapcanvasitem.h
qgssnaptogridcanvasitem.h
crs
const QgsCoordinateReferenceSystem & crs
Definition
qgswfsgetfeature.cpp:53
precision
int precision
Definition
qgswfsgetfeature.cpp:51
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