QGIS API Documentation  2.8.2-Wien
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
Public Types | Public Member Functions | Protected Attributes | List of all members
QgsVertexMarker Class Reference

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

#include <qgsvertexmarker.h>

Inheritance diagram for QgsVertexMarker:
Inheritance graph

Public Types

 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
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())
 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



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

default implementation for canvas items

Reimplemented from QgsMapCanvasItem.

Definition at line 90 of file qgsvertexmarker.cpp.

void QgsVertexMarker::paint ( QPainter *  painter)

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 ( )

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

coordinates of the point in the center

Definition at line 67 of file qgsvertexmarker.h.

QColor QgsVertexMarker::mColor

color of the marker

Definition at line 70 of file qgsvertexmarker.h.

int QgsVertexMarker::mIconSize


Definition at line 64 of file qgsvertexmarker.h.

int QgsVertexMarker::mIconType

icon to be shown

Definition at line 61 of file qgsvertexmarker.h.

int QgsVertexMarker::mPenWidth

pen width

Definition at line 73 of file qgsvertexmarker.h.

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