QgsVertexMarker Class Reference

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

#include <qgsvertexmarker.h>

Inheritance diagram for QgsVertexMarker:

Collaboration diagram for QgsVertexMarker:

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

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

Protected Attributes
int	mIconType
	icon to be shown
int	mIconSize
	size
QgsPoint	mCenter
	coordinates of the point in the center
QColor	mColor
	color of the marker
int	mPenWidth
	pen width
Protected Attributes inherited from QgsMapCanvasItem
QgsMapCanvas *	mMapCanvas
	pointer to map canvas
QgsRectangle	mRect
	canvas item rectangle (in map coordinates)
QPoint	mPanningOffset
	offset from normal position due current panning operation, used when converting map coordinates to move map canvas items
QSizeF	mItemSize
	cached size of the item (to return in boundingRect())

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)
	paint function called by map canvas
void	updateCanvas ()
	schedules map canvas for repaint
bool	setRenderContextVariables (QPainter *p, QgsRenderContext &context) const
	Sets render context parameters.

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.

References ICON_X, mColor, mIconSize, mIconType, and mPenWidth.

Member Function Documentation

QRectF QgsVertexMarker::boundingRect ( ) const

virtual

default implementation for canvas items

Reimplemented from QgsMapCanvasItem.

Definition at line 90 of file qgsvertexmarker.cpp.

References mIconSize, and mPenWidth.

void QgsVertexMarker::paint ( QPainter *  painter )

virtual

function to be implemented by derived classes

Implements QgsMapCanvasItem.

Definition at line 57 of file qgsvertexmarker.cpp.

References ICON_BOX, ICON_CROSS, ICON_NONE, ICON_X, mColor, mIconSize, mIconType, and mPenWidth.

void QgsVertexMarker::setCenter

(

const QgsPoint &

point

)

Definition at line 40 of file qgsvertexmarker.cpp.

References mCenter, and QgsMapCanvasItem::toCanvasCoordinates().

Referenced by updatePosition().

void QgsVertexMarker::setColor

(

const QColor &

color

)

Definition at line 47 of file qgsvertexmarker.cpp.

References mColor.

void QgsVertexMarker::setIconSize

(

int

iconSize

)

Definition at line 35 of file qgsvertexmarker.cpp.

References mIconSize.

void QgsVertexMarker::setIconType

(

int

iconType

)

Definition at line 30 of file qgsvertexmarker.cpp.

References mIconType.

void QgsVertexMarker::setPenWidth

(

int

width

)

Definition at line 52 of file qgsvertexmarker.cpp.

References mPenWidth.

void QgsVertexMarker::updatePosition ( )

virtual

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

Reimplemented from QgsMapCanvasItem.

Definition at line 96 of file qgsvertexmarker.cpp.

References mCenter, and setCenter().

Member Data Documentation

QgsPoint QgsVertexMarker::mCenter

protected

coordinates of the point in the center

Definition at line 67 of file qgsvertexmarker.h.

Referenced by setCenter(), and updatePosition().

QColor QgsVertexMarker::mColor

protected

color of the marker

Definition at line 70 of file qgsvertexmarker.h.

Referenced by paint(), QgsVertexMarker(), and setColor().

int QgsVertexMarker::mIconSize

protected

size

Definition at line 64 of file qgsvertexmarker.h.

Referenced by boundingRect(), paint(), QgsVertexMarker(), and setIconSize().

int QgsVertexMarker::mIconType

protected

icon to be shown

Definition at line 61 of file qgsvertexmarker.h.

Referenced by paint(), QgsVertexMarker(), and setIconType().

int QgsVertexMarker::mPenWidth

protected

pen width

Definition at line 73 of file qgsvertexmarker.h.

Referenced by boundingRect(), paint(), QgsVertexMarker(), and setPenWidth().

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

• /tmp/buildd/qgis-2.2.0+wheezy1/src/gui/qgsvertexmarker.h
• /tmp/buildd/qgis-2.2.0+wheezy1/src/gui/qgsvertexmarker.cpp