QGIS API Documentation  2.18.3-Las Palmas (77b8c3d)
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

enum  IconType {
 Icons. More...

Public Member Functions

 QgsVertexMarker (QgsMapCanvas *mapCanvas)
QRectF boundingRect () const override
 default implementation for canvas items More...
void paint (QPainter *p) override
 function to be implemented by derived classes More...
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 More...
- Public Member Functions inherited from QgsMapCanvasItem
QgsRectangle rect () const
 returns canvas item rectangle in map units More...
Q_DECL_DEPRECATED void setPanningOffset (QPoint point)
 sets current offset, to be called from QgsMapCanvas More...
void setRect (const QgsRectangle &r, bool resetRotation=true)
 sets canvas item rectangle in map units More...
QPointF toCanvasCoordinates (const QgsPoint &point) const
 transformation from map coordinates to screen coordinates More...
QgsPoint toMapCoordinates (QPoint point) const
 transformation from screen coordinates to map coordinates More...
- Public Member Functions inherited from QGraphicsItem
 QGraphicsItem (QGraphicsItem *parent)
virtual  ~QGraphicsItem ()
bool acceptDrops () const
Qt::MouseButtons acceptedMouseButtons () const
bool acceptHoverEvents () const
bool acceptsHoverEvents () const
bool acceptTouchEvents () const
virtual void advance (int phase)
virtual QRectF boundingRect () const =0
QRegion boundingRegion (const QTransform &itemToDeviceTransform) const
qreal boundingRegionGranularity () const
CacheMode cacheMode () const
QList< QGraphicsItem * > childItems () const
QList< QGraphicsItem * > children () const
QRectF childrenBoundingRect () const
void clearFocus ()
QPainterPath clipPath () const
virtual bool collidesWithItem (const QGraphicsItem *other, Qt::ItemSelectionMode mode) const
virtual bool collidesWithPath (const QPainterPath &path, Qt::ItemSelectionMode mode) const
QList< QGraphicsItem * > collidingItems (Qt::ItemSelectionMode mode) const
QGraphicsItemcommonAncestorItem (const QGraphicsItem *other) const
virtual bool contains (const QPointF &point) const
QCursor cursor () const
QVariant data (int key) const
QTransform deviceTransform (const QTransform &viewportTransform) const
qreal effectiveOpacity () const
void ensureVisible (const QRectF &rect, int xmargin, int ymargin)
void ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin, int ymargin)
bool filtersChildEvents () const
GraphicsItemFlags flags () const
QGraphicsItemfocusItem () const
QGraphicsItemfocusProxy () const
void grabKeyboard ()
void grabMouse ()
QGraphicsEffectgraphicsEffect () const
QGraphicsItemGroupgroup () const
bool handlesChildEvents () const
bool hasCursor () const
bool hasFocus () const
void hide ()
Qt::InputMethodHints inputMethodHints () const
void installSceneEventFilter (QGraphicsItem *filterItem)
bool isActive () const
bool isAncestorOf (const QGraphicsItem *child) const
bool isBlockedByModalPanel (QGraphicsItem **blockingPanel) const
bool isClipped () const
bool isEnabled () const
bool isObscured () const
bool isObscured (const QRectF &rect) const
bool isObscured (qreal x, qreal y, qreal w, qreal h) const
virtual bool isObscuredBy (const QGraphicsItem *item) const
bool isPanel () const
bool isSelected () const
bool isUnderMouse () const
bool isVisible () const
bool isVisibleTo (const QGraphicsItem *parent) const
bool isWidget () const
bool isWindow () const
QTransform itemTransform (const QGraphicsItem *other, bool *ok) const
QPointF mapFromItem (const QGraphicsItem *item, const QPointF &point) const
QPolygonF mapFromItem (const QGraphicsItem *item, const QRectF &rect) const
QPolygonF mapFromItem (const QGraphicsItem *item, const QPolygonF &polygon) const
QPainterPath mapFromItem (const QGraphicsItem *item, const QPainterPath &path) const
QPointF mapFromItem (const QGraphicsItem *item, qreal x, qreal y) const
QPolygonF mapFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QPointF mapFromParent (const QPointF &point) const
QPolygonF mapFromParent (const QRectF &rect) const
QPolygonF mapFromParent (const QPolygonF &polygon) const
QPainterPath mapFromParent (const QPainterPath &path) const
QPointF mapFromParent (qreal x, qreal y) const
QPolygonF mapFromParent (qreal x, qreal y, qreal w, qreal h) const
QPolygonF mapFromScene (const QPolygonF &polygon) const
QPointF mapFromScene (const QPointF &point) const
QPolygonF mapFromScene (const QRectF &rect) const
QPainterPath mapFromScene (const QPainterPath &path) const
QPointF mapFromScene (qreal x, qreal y) const
QPolygonF mapFromScene (qreal x, qreal y, qreal w, qreal h) const
QRectF mapRectFromItem (const QGraphicsItem *item, const QRectF &rect) const
QRectF mapRectFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QRectF mapRectFromParent (const QRectF &rect) const
QRectF mapRectFromParent (qreal x, qreal y, qreal w, qreal h) const
QRectF mapRectFromScene (qreal x, qreal y, qreal w, qreal h) const
QRectF mapRectFromScene (const QRectF &rect) const
QRectF mapRectToItem (const QGraphicsItem *item, const QRectF &rect) const
QRectF mapRectToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QRectF mapRectToParent (const QRectF &rect) const
QRectF mapRectToParent (qreal x, qreal y, qreal w, qreal h) const
QRectF mapRectToScene (const QRectF &rect) const
QRectF mapRectToScene (qreal x, qreal y, qreal w, qreal h) const
QPointF mapToItem (const QGraphicsItem *item, const QPointF &point) const
QPolygonF mapToItem (const QGraphicsItem *item, const QRectF &rect) const
QPolygonF mapToItem (const QGraphicsItem *item, const QPolygonF &polygon) const
QPainterPath mapToItem (const QGraphicsItem *item, const QPainterPath &path) const
QPointF mapToItem (const QGraphicsItem *item, qreal x, qreal y) const
QPolygonF mapToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
QPointF mapToParent (const QPointF &point) const
QPolygonF mapToParent (const QRectF &rect) const
QPainterPath mapToParent (const QPainterPath &path) const
QPointF mapToParent (qreal x, qreal y) const
QPolygonF mapToParent (qreal x, qreal y, qreal w, qreal h) const
QPolygonF mapToParent (const QPolygonF &polygon) const
QPolygonF mapToScene (const QRectF &rect) const
QPainterPath mapToScene (const QPainterPath &path) const
QPointF mapToScene (qreal x, qreal y) const
QPolygonF mapToScene (qreal x, qreal y, qreal w, qreal h) const
QPolygonF mapToScene (const QPolygonF &polygon) const
QPointF mapToScene (const QPointF &point) const
QMatrix matrix () const
void moveBy (qreal dx, qreal dy)
qreal opacity () const
virtual QPainterPath opaqueArea () const
virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)=0
QGraphicsItempanel () const
PanelModality panelModality () const
QGraphicsItemparentItem () const
QGraphicsObjectparentObject () const
QGraphicsWidgetparentWidget () const
QPointF pos () const
void removeSceneEventFilter (QGraphicsItem *filterItem)
void resetMatrix ()
void resetTransform ()
void rotate (qreal angle)
qreal rotation () const
void scale (qreal sx, qreal sy)
qreal scale () const
QGraphicsScenescene () const
QRectF sceneBoundingRect () const
QMatrix sceneMatrix () const
QPointF scenePos () const
QTransform sceneTransform () const
void scroll (qreal dx, qreal dy, const QRectF &rect)
void setAcceptDrops (bool on)
void setAcceptedMouseButtons (QFlags< Qt::MouseButton > buttons)
void setAcceptHoverEvents (bool enabled)
void setAcceptsHoverEvents (bool enabled)
void setAcceptTouchEvents (bool enabled)
void setActive (bool active)
void setBoundingRegionGranularity (qreal granularity)
void setCacheMode (CacheMode mode, const QSize &logicalCacheSize)
void setCursor (const QCursor &cursor)
void setData (int key, const QVariant &value)
void setEnabled (bool enabled)
void setFiltersChildEvents (bool enabled)
void setFlag (GraphicsItemFlag flag, bool enabled)
void setFlags (QFlags< QGraphicsItem::GraphicsItemFlag > flags)
void setFocus (Qt::FocusReason focusReason)
void setFocusProxy (QGraphicsItem *item)
void setGraphicsEffect (QGraphicsEffect *effect)
void setGroup (QGraphicsItemGroup *group)
void setHandlesChildEvents (bool enabled)
void setInputMethodHints (QFlags< Qt::InputMethodHint > hints)
void setMatrix (const QMatrix &matrix, bool combine)
void setOpacity (qreal opacity)
void setPanelModality (PanelModality panelModality)
void setParentItem (QGraphicsItem *newParent)
void setPos (const QPointF &pos)
void setPos (qreal x, qreal y)
void setRotation (qreal angle)
void setScale (qreal factor)
void setSelected (bool selected)
void setToolTip (const QString &toolTip)
void setTransform (const QTransform &matrix, bool combine)
void setTransformations (const QList< QGraphicsTransform * > &transformations)
void setTransformOriginPoint (qreal x, qreal y)
void setTransformOriginPoint (const QPointF &origin)
void setVisible (bool visible)
void setX (qreal x)
void setY (qreal y)
void setZValue (qreal z)
virtual QPainterPath shape () const
void shear (qreal sh, qreal sv)
void show ()
void stackBefore (const QGraphicsItem *sibling)
QGraphicsObjecttoGraphicsObject ()
const QGraphicsObjecttoGraphicsObject () const
QString toolTip () const
QGraphicsItemtopLevelItem () const
QGraphicsWidgettopLevelWidget () const
QTransform transform () const
QList< QGraphicsTransform * > transformations () const
QPointF transformOriginPoint () const
void translate (qreal dx, qreal dy)
virtual int type () const
void ungrabKeyboard ()
void ungrabMouse ()
void unsetCursor ()
void update (qreal x, qreal y, qreal width, qreal height)
void update (const QRectF &rect)
QGraphicsWidgetwindow () const
qreal x () const
qreal y () const
qreal zValue () const

Protected Attributes

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

Additional Inherited Members

- Public Attributes inherited from QGraphicsItem
typedef GraphicsItemFlags
- Protected Member Functions inherited from QgsMapCanvasItem
 QgsMapCanvasItem (QgsMapCanvas *mapCanvas)
 protected constructor: cannot be constructed directly More...
virtual ~QgsMapCanvasItem ()
virtual void paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget=nullptr) override
 paint function called by map canvas More...
bool setRenderContextVariables (QPainter *p, QgsRenderContext &context) const
 Sets render context parameters. More...
void updateCanvas ()
 schedules map canvas for repaint More...
- Protected Member Functions inherited from QGraphicsItem
virtual void contextMenuEvent (QGraphicsSceneContextMenuEvent *event)
virtual void dragEnterEvent (QGraphicsSceneDragDropEvent *event)
virtual void dragLeaveEvent (QGraphicsSceneDragDropEvent *event)
virtual void dragMoveEvent (QGraphicsSceneDragDropEvent *event)
virtual void dropEvent (QGraphicsSceneDragDropEvent *event)
virtual void focusInEvent (QFocusEvent *event)
virtual void focusOutEvent (QFocusEvent *event)
virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *event)
virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *event)
virtual void hoverMoveEvent (QGraphicsSceneHoverEvent *event)
virtual void inputMethodEvent (QInputMethodEvent *event)
virtual QVariant inputMethodQuery (Qt::InputMethodQuery query) const
virtual QVariant itemChange (GraphicsItemChange change, const QVariant &value)
virtual void keyPressEvent (QKeyEvent *event)
virtual void keyReleaseEvent (QKeyEvent *event)
virtual void mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event)
virtual void mouseMoveEvent (QGraphicsSceneMouseEvent *event)
virtual void mousePressEvent (QGraphicsSceneMouseEvent *event)
virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
void prepareGeometryChange ()
virtual bool sceneEvent (QEvent *event)
virtual bool sceneEventFilter (QGraphicsItem *watched, QEvent *event)
void updateMicroFocus ()
virtual void wheelEvent (QGraphicsSceneWheelEvent *event)

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 94 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 100 of file qgsvertexmarker.cpp.

Member Data Documentation

QgsPoint QgsVertexMarker::mCenter

coordinates of the point in the center

Definition at line 68 of file qgsvertexmarker.h.

QColor QgsVertexMarker::mColor

color of the marker

Definition at line 71 of file qgsvertexmarker.h.

int QgsVertexMarker::mIconSize


Definition at line 65 of file qgsvertexmarker.h.

int QgsVertexMarker::mIconType

icon to be shown

Definition at line 62 of file qgsvertexmarker.h.

int QgsVertexMarker::mPenWidth

pen width

Definition at line 74 of file qgsvertexmarker.h.

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