QgsVertexMarker Class Reference

A class for marking vertices of features using e.g. More...

#include <qgsvertexmarker.h>

Inheritance diagram for QgsVertexMarker:

Public Types
enum	IconType { ICON_NONE, ICON_CROSS, ICON_X, ICON_BOX }
	Icons. More...

Public Member Functions
	QgsVertexMarker (QgsMapCanvas *mapCanvas)
QRectF	boundingRect () const override
	default implementation for canvas items
void	paint (QPainter *p) override
	function to be implemented by derived classes
void	setCenter (const QgsPoint &point)
void	setColor (const QColor &color)
void	setIconSize (int iconSize)
void	setIconType (int iconType)
void	setPenWidth (int width)
virtual void	updatePosition () override
	called on changed extent or resize event to update position of the item
Public Member Functions inherited from QgsMapCanvasItem
QgsRectangle	rect () const
	returns canvas item rectangle in map units
Q_DECL_DEPRECATED void	setPanningOffset (const QPoint &point)
	sets current offset, to be called from QgsMapCanvas
void	setRect (const QgsRectangle &r, bool resetRotation=true)
	sets canvas item rectangle in map units
QPointF	toCanvasCoordinates (const QgsPoint &point) const
	transformation from map coordinates to screen coordinates
QgsPoint	toMapCoordinates (const QPoint &point) const
	transformation from screen coordinates to map coordinates

Protected Attributes
QgsPoint	mCenter
	coordinates of the point in the center
QColor	mColor
	color of the marker
int	mIconSize
	size
int	mIconType
	icon to be shown
int	mPenWidth
	pen width
Protected Attributes inherited from QgsMapCanvasItem
QSizeF	mItemSize
	cached size of the item (to return in boundingRect())
QgsMapCanvas *	mMapCanvas
	pointer to map canvas
QPoint	mPanningOffset
	offset from normal position due current panning operation, used when converting map coordinates to move map canvas items
QgsRectangle	mRect
	cached canvas item rectangle in map coordinates encodes position (xmin,ymax) and size (width/height) used to re-position and re-size the item on zoom/pan while waiting for the renderer to complete.
double	mRectRotation

Additional Inherited Members
Protected Member Functions inherited from QgsMapCanvasItem
	QgsMapCanvasItem (QgsMapCanvas *mapCanvas)
	protected constructor: cannot be constructed directly
virtual	~QgsMapCanvasItem ()
virtual void	paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget=0) override
	paint function called by map canvas
bool	setRenderContextVariables (QPainter *p, QgsRenderContext &context) const
	Sets render context parameters.
void	updateCanvas ()
	schedules map canvas for repaint

Detailed Description

A class for marking vertices of features using e.g.

circles or 'x'.

Definition at line 27 of file qgsvertexmarker.h.

Member Enumeration Documentation

enum QgsVertexMarker::IconType

Icons.

Enumerator:

ICON_NONE
ICON_CROSS
ICON_X
ICON_BOX

Definition at line 32 of file qgsvertexmarker.h.

Constructor & Destructor Documentation

QgsVertexMarker::QgsVertexMarker

(

QgsMapCanvas *

mapCanvas

)

Definition at line 21 of file qgsvertexmarker.cpp.

Member Function Documentation

QRectF QgsVertexMarker::boundingRect ( ) const

overridevirtual

default implementation for canvas items

Reimplemented from QgsMapCanvasItem.

Definition at line 90 of file qgsvertexmarker.cpp.

void QgsVertexMarker::paint ( QPainter *  painter )

overridevirtual

function to be implemented by derived classes

Implements QgsMapCanvasItem.

Definition at line 57 of file qgsvertexmarker.cpp.

void QgsVertexMarker::setCenter

(

const QgsPoint &

point

)

Definition at line 40 of file qgsvertexmarker.cpp.

void QgsVertexMarker::setColor

(

const QColor &

color

)

Definition at line 47 of file qgsvertexmarker.cpp.

void QgsVertexMarker::setIconSize

(

int

iconSize

)

Definition at line 35 of file qgsvertexmarker.cpp.

void QgsVertexMarker::setIconType

(

int

iconType

)

Definition at line 30 of file qgsvertexmarker.cpp.

void QgsVertexMarker::setPenWidth

(

int

width

)

Definition at line 52 of file qgsvertexmarker.cpp.

void QgsVertexMarker::updatePosition ( )

overridevirtual

called on changed extent or resize event to update position of the item

Reimplemented from QgsMapCanvasItem.

Definition at line 96 of file qgsvertexmarker.cpp.

Member Data Documentation

QgsPoint QgsVertexMarker::mCenter

protected

coordinates of the point in the center

Definition at line 67 of file qgsvertexmarker.h.

QColor QgsVertexMarker::mColor

protected

color of the marker

Definition at line 70 of file qgsvertexmarker.h.

int QgsVertexMarker::mIconSize

protected

size

Definition at line 64 of file qgsvertexmarker.h.

int QgsVertexMarker::mIconType

protected

icon to be shown

Definition at line 61 of file qgsvertexmarker.h.

int QgsVertexMarker::mPenWidth

protected

pen width

Definition at line 73 of file qgsvertexmarker.h.

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The documentation for this class was generated from the following files:

• /tmp/buildd/qgis-2.8.2+12wheezy/src/gui/qgsvertexmarker.h
• /tmp/buildd/qgis-2.8.2+12wheezy/src/gui/qgsvertexmarker.cpp