Qt 4.8
Public Slots | Signals | Public Functions | Protected Functions | Private Slots | Properties | List of all members
QDeclarativeParticles Class Reference

#include <qdeclarativeparticles_p.h>

Inheritance diagram for QDeclarativeParticles:
QDeclarativeItem QGraphicsObject QDeclarativeParserStatus QObject QGraphicsItem

Public Slots

void burst (int count, int emissionRate=-1)
 
- Public Slots inherited from QObject
void deleteLater ()
 Schedules this object for deletion. More...
 

Signals

void angleChanged ()
 
void angleDeviationChanged ()
 
void countChanged ()
 
void emissionRateChanged ()
 
void emissionVarianceChanged ()
 
void emittingChanged ()
 
void fadeInDurationChanged ()
 
void fadeOutDurationChanged ()
 
void lifeSpanChanged ()
 
void lifeSpanDeviationChanged ()
 
void motionChanged ()
 
void sourceChanged ()
 
void velocityChanged ()
 
void velocityDeviationChanged ()
 
- Signals inherited from QDeclarativeItem
void activeFocusChanged (bool)
 
void baselineOffsetChanged (qreal)
 
void childrenRectChanged (const QRectF &)
 
void clipChanged (bool)
 
void focusChanged (bool)
 
void implicitHeightChanged ()
 
void implicitWidthChanged ()
 
void parentChanged (QDeclarativeItem *)
 
void smoothChanged (bool)
 
void stateChanged (const QString &)
 
void transformOriginChanged (TransformOrigin)
 
- Signals inherited from QGraphicsObject
void childrenChanged ()
 This signal gets emitted whenever the children list changes. More...
 
void enabledChanged ()
 This signal gets emitted whenever the item get's enabled or disabled. More...
 
void heightChanged ()
 
void opacityChanged ()
 This signal gets emitted whenever the opacity of the item changes. More...
 
void parentChanged ()
 This signal gets emitted whenever the parent of the item changes. More...
 
void rotationChanged ()
 This signal gets emitted whenever the roation of the item changes. More...
 
void scaleChanged ()
 This signal is emitted when the scale of the item changes. More...
 
void visibleChanged ()
 This signal gets emitted whenever the visibility of the item changes. More...
 
void widthChanged ()
 
void xChanged ()
 This signal gets emitted whenever the x position of the item changes. More...
 
void yChanged ()
 This signal gets emitted whenever the y position of the item changes. More...
 
void zChanged ()
 This signal gets emitted whenever the z value of the item changes. More...
 
- Signals inherited from QObject
void destroyed (QObject *=0)
 This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...
 

Public Functions

qreal angle () const
 
qreal angleDeviation () const
 
int count () const
 
int emissionRate () const
 
qreal emissionVariance () const
 
int fadeInDuration () const
 
int fadeOutDuration () const
 
int lifeSpan () const
 
int lifeSpanDeviation () const
 
QDeclarativeParticleMotionmotion () const
 
void paint (QPainter *, const QStyleOptionGraphicsItem *, QWidget *)
 
 QDeclarativeParticles (QDeclarativeItem *parent=0)
 
void setAngle (qreal)
 
void setAngleDeviation (qreal)
 
void setCount (int cnt)
 
void setEmissionRate (int)
 
void setEmissionVariance (qreal)
 
void setFadeInDuration (int)
 
void setFadeOutDuration (int)
 
void setLifeSpan (int)
 
void setLifeSpanDeviation (int)
 
void setMotion (QDeclarativeParticleMotion *)
 
void setSource (const QUrl &)
 
void setVelocity (qreal)
 
void setVelocityDeviation (qreal)
 
QUrl source () const
 
qreal velocity () const
 
qreal velocityDeviation () const
 
 ~QDeclarativeParticles ()
 
- Public Functions inherited from QDeclarativeItem
qreal baselineOffset () const
 
QRectF boundingRect () const
 
Q_INVOKABLE QDeclarativeItemchildAt (qreal x, qreal y) const
 Returns the visible child item at point (x, y), which is in this item's coordinate system, or 0 if there is no such item. More...
 
QRectF childrenRect ()
 
bool clip () const
 
Q_INVOKABLE void forceActiveFocus ()
 Forces active focus on the item. More...
 
bool hasActiveFocus () const
 
bool hasFocus () const
 
qreal height () const
 
qreal implicitHeight () const
 
qreal implicitWidth () const
 
bool keepMouseGrab () const
 Returns a value indicating whether mouse input should remain with this item exclusively. More...
 
Q_INVOKABLE QScriptValue mapFromItem (const QScriptValue &item, qreal x, qreal y) const
 Maps the point (x, y), which is in item's coordinate system, to this item's coordinate system, and returns a script value with x and y properties matching the mapped cooordinate. More...
 
Q_INVOKABLE QScriptValue mapToItem (const QScriptValue &item, qreal x, qreal y) const
 Maps the point (x, y), which is in this item's coordinate system, to item's coordinate system, and returns a script value with x and y properties matching the mapped cooordinate. More...
 
QDeclarativeItemparentItem () const
 Returns the QDeclarativeItem parent of this item. More...
 
 QDeclarativeItem (QDeclarativeItem *parent=0)
 Constructs a QDeclarativeItem with the given parent. More...
 
void resetHeight ()
 
void resetWidth ()
 
void setBaselineOffset (qreal)
 
void setClip (bool)
 
void setFocus (bool)
 
void setHeight (qreal)
 
void setKeepMouseGrab (bool)
 The flag indicating whether the mouse should remain with this item is set to keep. More...
 
void setParentItem (QDeclarativeItem *parent)
 
void setSize (const QSizeF &size)
 
void setSmooth (bool)
 Sets whether the item should be drawn with antialiasing and smooth pixmap filtering to smooth. More...
 
void setTransformOrigin (TransformOrigin)
 Set the transform origin. More...
 
void setWidth (qreal)
 
bool smooth () const
 
QDeclarativeListProperty< QGraphicsTransformtransform ()
 
TransformOrigin transformOrigin () const
 
qreal width () const
 
virtual ~QDeclarativeItem ()
 Destroys the QDeclarativeItem. More...
 
- Public Functions inherited from QGraphicsObject
void grabGesture (Qt::GestureType type, Qt::GestureFlags flags=Qt::GestureFlags())
 Subscribes the graphics object to the given gesture with specific flags. More...
 
 QGraphicsObject (QGraphicsItem *parent=0)
 Constructs a QGraphicsObject with parent. More...
 
void ungrabGesture (Qt::GestureType type)
 Unsubscribes the graphics object from the given gesture. More...
 
- Public Functions inherited from QObject
bool blockSignals (bool b)
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...
 
const QObjectListchildren () const
 Returns a list of child objects. More...
 
bool connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
 
bool disconnect (const QObject *receiver, const char *member=0)
 
void dumpObjectInfo ()
 Dumps information about signal connections, etc. More...
 
void dumpObjectTree ()
 Dumps a tree of children to the debug output. More...
 
QList< QByteArraydynamicPropertyNames () const
 Returns the names of all properties that were dynamically added to the object using setProperty(). More...
 
virtual bool eventFilter (QObject *, QEvent *)
 Filters events if this object has been installed as an event filter for the watched object. More...
 
template<typename T >
findChild (const QString &aName=QString()) const
 Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...
 
template<typename T >
QList< T > findChildren (const QString &aName=QString()) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...
 
template<typename T >
QList< T > findChildren (const QRegExp &re) const
 
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...
 
void installEventFilter (QObject *)
 Installs an event filter filterObj on this object. More...
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false. More...
 
void killTimer (int id)
 Kills the timer with timer identifier, id. More...
 
virtual const QMetaObjectmetaObject () const
 Returns a pointer to the meta-object of this object. More...
 
void moveToThread (QThread *thread)
 Changes the thread affinity for this object and its children. More...
 
QString objectName () const
 
QObjectparent () const
 Returns a pointer to the parent object. More...
 
QVariant property (const char *name) const
 Returns the value of the object's name property. More...
 
Q_INVOKABLE QObject (QObject *parent=0)
 Constructs an object with parent object parent. More...
 
void removeEventFilter (QObject *)
 Removes an event filter object obj from this object. More...
 
void setObjectName (const QString &name)
 
void setParent (QObject *)
 Makes the object a child of parent. More...
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value. More...
 
void setUserData (uint id, QObjectUserData *data)
 
bool signalsBlocked () const
 Returns true if signals are blocked; otherwise returns false. More...
 
int startTimer (int interval)
 Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...
 
QThreadthread () const
 Returns the thread in which the object lives. More...
 
QObjectUserDatauserData (uint id) const
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects. More...
 
- Public Functions inherited from QGraphicsItem
bool acceptDrops () const
 Returns true if this item can accept drag and drop events; otherwise, returns false. More...
 
Qt::MouseButtons acceptedMouseButtons () const
 Returns the mouse buttons that this item accepts mouse events for. More...
 
bool acceptHoverEvents () const
 Returns true if an item accepts hover events (QGraphicsSceneHoverEvent); otherwise, returns false. More...
 
bool acceptsHoverEvents () const
 Call acceptHoverEvents() instead. More...
 
bool acceptTouchEvents () const
 Returns true if an item accepts touch events; otherwise, returns false. More...
 
virtual void advance (int phase)
 This virtual function is called twice for all items by the QGraphicsScene::advance() slot. More...
 
QRegion boundingRegion (const QTransform &itemToDeviceTransform) const
 Returns the bounding region for this item. More...
 
qreal boundingRegionGranularity () const
 Returns the item's bounding region granularity; a value between and including 0 and 1. More...
 
CacheMode cacheMode () const
 Returns the cache mode for this item. More...
 
QList< QGraphicsItem * > childItems () const
 Returns a list of this item's children. More...
 
QList< QGraphicsItem * > children () const
 Use childItems() instead. More...
 
QRectF childrenBoundingRect () const
 Returns the bounding rect of this item's descendants (i.e., its children, their children, etc.) in local coordinates. More...
 
void clearFocus ()
 Takes keyboard input focus from the item. More...
 
QPainterPath clipPath () const
 Returns this item's clip path, or an empty QPainterPath if this item is not clipped. More...
 
virtual bool collidesWithItem (const QGraphicsItem *other, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 Returns true if this item collides with other; otherwise returns false. More...
 
virtual bool collidesWithPath (const QPainterPath &path, Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 Returns true if this item collides with path. More...
 
QList< QGraphicsItem * > collidingItems (Qt::ItemSelectionMode mode=Qt::IntersectsItemShape) const
 Returns a list of all items that collide with this item. More...
 
QGraphicsItemcommonAncestorItem (const QGraphicsItem *other) const
 Returns the closest common ancestor item of this item and other, or 0 if either other is 0, or there is no common ancestor. More...
 
virtual bool contains (const QPointF &point) const
 Returns true if this item contains point, which is in local coordinates; otherwise, false is returned. More...
 
QCursor cursor () const
 Returns the current cursor shape for the item. More...
 
QVariant data (int key) const
 Returns this item's custom data for the key key as a QVariant. More...
 
QTransform deviceTransform (const QTransform &viewportTransform) const
 Returns this item's device transformation matrix, using viewportTransform to map from scene to device coordinates. More...
 
qreal effectiveOpacity () const
 Returns this item's effective opacity, which is between 0. More...
 
void ensureVisible (const QRectF &rect=QRectF(), int xmargin=50, int ymargin=50)
 If this item is part of a scene that is viewed by a QGraphicsView, this convenience function will attempt to scroll the view to ensure that rect is visible inside the view's viewport. More...
 
void ensureVisible (qreal x, qreal y, qreal w, qreal h, int xmargin=50, int ymargin=50)
 This convenience function is equivalent to calling ensureVisible(QRectF(x, y, w, h), xmargin, ymargin): More...
 
bool filtersChildEvents () const
 Returns true if this item filters child events (i. More...
 
GraphicsItemFlags flags () const
 Returns this item's flags. More...
 
QGraphicsItemfocusItem () const
 If this item, a child or descendant of this item currently has input focus, this function will return a pointer to that item. More...
 
QGraphicsItemfocusProxy () const
 Returns this item's focus proxy, or 0 if this item has no focus proxy. More...
 
QGraphicsItemfocusScopeItem () const
 Returns this item's focus scope item. More...
 
void grabKeyboard ()
 Grabs the keyboard input. More...
 
void grabMouse ()
 Grabs the mouse input. More...
 
QGraphicsEffectgraphicsEffect () const
 Returns a pointer to this item's effect if it has one; otherwise 0. More...
 
QGraphicsItemGroupgroup () const
 Returns a pointer to this item's item group, or 0 if this item is not member of a group. More...
 
bool handlesChildEvents () const
 Returns true if this item handles child events (i. More...
 
bool hasCursor () const
 Returns true if this item has a cursor set; otherwise, false is returned. More...
 
bool hasFocus () const
 Returns true if this item is active, and it or its focus proxy has keyboard input focus; otherwise, returns false. More...
 
void hide ()
 Hides the item. More...
 
Qt::InputMethodHints inputMethodHints () const
 Returns the current input method hints of this item. More...
 
void installSceneEventFilter (QGraphicsItem *filterItem)
 Installs an event filter for this item on filterItem, causing all events for this item to first pass through filterItem's sceneEventFilter() function. More...
 
bool isActive () const
 Returns true if this item is active; otherwise returns false. More...
 
bool isAncestorOf (const QGraphicsItem *child) const
 Returns true if this item is an ancestor of child (i.e., if this item is child's parent, or one of child's parent's ancestors). More...
 
bool isBlockedByModalPanel (QGraphicsItem **blockingPanel=0) const
 Returns true if this item is blocked by a modal panel, false otherwise. More...
 
bool isClipped () const
 Returns true if this item is clipped. More...
 
bool isEnabled () const
 Returns true if the item is enabled; otherwise, false is returned. More...
 
bool isObscured () const
 Returns true if this item's bounding rect is completely obscured by the opaque shape of any of colliding items above it (i.e., with a higher Z value than this item). More...
 
bool isObscured (const QRectF &rect) const
 Returns true if rect is completely obscured by the opaque shape of any of colliding items above it (i. More...
 
bool isObscured (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling isObscured(QRectF(x, y, w, h)). More...
 
virtual bool isObscuredBy (const QGraphicsItem *item) const
 Returns true if this item's bounding rect is completely obscured by the opaque shape of item. More...
 
bool isPanel () const
 Returns true if the item is a panel; otherwise returns false. More...
 
bool isSelected () const
 Returns true if this item is selected; otherwise, false is returned. More...
 
bool isUnderMouse () const
 Returns true if this item is currently under the mouse cursor in one of the views; otherwise, false is returned. More...
 
bool isVisible () const
 Returns true if the item is visible; otherwise, false is returned. More...
 
bool isVisibleTo (const QGraphicsItem *parent) const
 Returns true if the item is visible to parent; otherwise, false is returned. More...
 
bool isWidget () const
 Returns true if this item is a widget (i. More...
 
bool isWindow () const
 Returns true if the item is a QGraphicsWidget window, otherwise returns false. More...
 
QTransform itemTransform (const QGraphicsItem *other, bool *ok=0) const
 Returns a QTransform that maps coordinates from this item to other. More...
 
QPointF mapFromItem (const QGraphicsItem *item, const QPointF &point) const
 Maps the point point, which is in item's coordinate system, to this item's coordinate system, and returns the mapped coordinate. More...
 
QPolygonF mapFromItem (const QGraphicsItem *item, const QRectF &rect) const
 Maps the rectangle rect, which is in item's coordinate system, to this item's coordinate system, and returns the mapped rectangle as a polygon. More...
 
QPolygonF mapFromItem (const QGraphicsItem *item, const QPolygonF &polygon) const
 Maps the polygon polygon, which is in item's coordinate system, to this item's coordinate system, and returns the mapped polygon. More...
 
QPainterPath mapFromItem (const QGraphicsItem *item, const QPainterPath &path) const
 Maps the path path, which is in item's coordinate system, to this item's coordinate system, and returns the mapped path. More...
 
QPointF mapFromItem (const QGraphicsItem *item, qreal x, qreal y) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.This convenience function is equivalent to calling mapFromItem(item, QPointF(x, y)). More...
 
QPolygonF mapFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
 
QPointF mapFromParent (const QPointF &point) const
 Maps the point point, which is in this item's parent's coordinate system, to this item's coordinate system, and returns the mapped coordinate. More...
 
QPolygonF mapFromParent (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's parent's coordinate system, to this item's coordinate system, and returns the mapped rectangle as a polygon. More...
 
QPolygonF mapFromParent (const QPolygonF &polygon) const
 Maps the polygon polygon, which is in this item's parent's coordinate system, to this item's coordinate system, and returns the mapped polygon. More...
 
QPainterPath mapFromParent (const QPainterPath &path) const
 Maps the path path, which is in this item's parent's coordinate system, to this item's coordinate system, and returns the mapped path. More...
 
QPointF mapFromParent (qreal x, qreal y) const
 This convenience function is equivalent to calling mapFromParent(QPointF(x, y)). More...
 
QPolygonF mapFromParent (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapFromItem(QRectF(x, y, w, h)). More...
 
QPointF mapFromScene (const QPointF &point) const
 Maps the point point, which is in this item's scene's coordinate system, to this item's coordinate system, and returns the mapped coordinate. More...
 
QPolygonF mapFromScene (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's scene's coordinate system, to this item's coordinate system, and returns the mapped rectangle as a polygon. More...
 
QPolygonF mapFromScene (const QPolygonF &polygon) const
 Maps the polygon polygon, which is in this item's scene's coordinate system, to this item's coordinate system, and returns the mapped polygon. More...
 
QPainterPath mapFromScene (const QPainterPath &path) const
 Maps the path path, which is in this item's scene's coordinate system, to this item's coordinate system, and returns the mapped path. More...
 
QPointF mapFromScene (qreal x, qreal y) const
 This convenience function is equivalent to calling mapFromScene(QPointF(x, y)). More...
 
QPolygonF mapFromScene (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapFromScene(QRectF(x, y, w, h)). More...
 
QRectF mapRectFromItem (const QGraphicsItem *item, const QRectF &rect) const
 Maps the rectangle rect, which is in item's coordinate system, to this item's coordinate system, and returns the mapped rectangle as a new rectangle (i. More...
 
QRectF mapRectFromItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
 
QRectF mapRectFromParent (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's parent's coordinate system, to this item's coordinate system, and returns the mapped rectangle as a new rectangle (i. More...
 
QRectF mapRectFromParent (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapRectFromParent(QRectF(x, y, w, h)). More...
 
QRectF mapRectFromScene (const QRectF &rect) const
 Maps the rectangle rect, which is in scene coordinates, to this item's coordinate system, and returns the mapped rectangle as a new rectangle (i. More...
 
QRectF mapRectFromScene (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapRectFromScene(QRectF(x, y, w, h)). More...
 
QRectF mapRectToItem (const QGraphicsItem *item, const QRectF &rect) const
 Maps the rectangle rect, which is in this item's coordinate system, to item's coordinate system, and returns the mapped rectangle as a new rectangle (i. More...
 
QRectF mapRectToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
 
QRectF mapRectToParent (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's coordinate system, to its parent's coordinate system, and returns the mapped rectangle as a new rectangle (i. More...
 
QRectF mapRectToParent (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapRectToParent(QRectF(x, y, w, h)). More...
 
QRectF mapRectToScene (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's coordinate system, to the scene coordinate system, and returns the mapped rectangle as a new rectangle (i. More...
 
QRectF mapRectToScene (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapRectToScene(QRectF(x, y, w, h)). More...
 
QPointF mapToItem (const QGraphicsItem *item, const QPointF &point) const
 Maps the point point, which is in this item's coordinate system, to item's coordinate system, and returns the mapped coordinate. More...
 
QPolygonF mapToItem (const QGraphicsItem *item, const QRectF &rect) const
 Maps the rectangle rect, which is in this item's coordinate system, to item's coordinate system, and returns the mapped rectangle as a polygon. More...
 
QPolygonF mapToItem (const QGraphicsItem *item, const QPolygonF &polygon) const
 Maps the polygon polygon, which is in this item's coordinate system, to item's coordinate system, and returns the mapped polygon. More...
 
QPainterPath mapToItem (const QGraphicsItem *item, const QPainterPath &path) const
 Maps the path path, which is in this item's coordinate system, to item's coordinate system, and returns the mapped path. More...
 
QPointF mapToItem (const QGraphicsItem *item, qreal x, qreal y) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.This convenience function is equivalent to calling mapToItem(item, QPointF(x, y)). More...
 
QPolygonF mapToItem (const QGraphicsItem *item, qreal x, qreal y, qreal w, qreal h) const
 
QPointF mapToParent (const QPointF &point) const
 Maps the point point, which is in this item's coordinate system, to its parent's coordinate system, and returns the mapped coordinate. More...
 
QPolygonF mapToParent (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's coordinate system, to its parent's coordinate system, and returns the mapped rectangle as a polygon. More...
 
QPolygonF mapToParent (const QPolygonF &polygon) const
 Maps the polygon polygon, which is in this item's coordinate system, to its parent's coordinate system, and returns the mapped polygon. More...
 
QPainterPath mapToParent (const QPainterPath &path) const
 Maps the path path, which is in this item's coordinate system, to its parent's coordinate system, and returns the mapped path. More...
 
QPointF mapToParent (qreal x, qreal y) const
 This convenience function is equivalent to calling mapToParent(QPointF(x, y)). More...
 
QPolygonF mapToParent (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapToParent(QRectF(x, y, w, h)). More...
 
QPointF mapToScene (const QPointF &point) const
 Maps the point point, which is in this item's coordinate system, to the scene's coordinate system, and returns the mapped coordinate. More...
 
QPolygonF mapToScene (const QRectF &rect) const
 Maps the rectangle rect, which is in this item's coordinate system, to the scene's coordinate system, and returns the mapped rectangle as a polygon. More...
 
QPolygonF mapToScene (const QPolygonF &polygon) const
 Maps the polygon polygon, which is in this item's coordinate system, to the scene's coordinate system, and returns the mapped polygon. More...
 
QPainterPath mapToScene (const QPainterPath &path) const
 Maps the path path, which is in this item's coordinate system, to the scene's coordinate system, and returns the mapped path. More...
 
QPointF mapToScene (qreal x, qreal y) const
 This convenience function is equivalent to calling mapToScene(QPointF(x, y)). More...
 
QPolygonF mapToScene (qreal x, qreal y, qreal w, qreal h) const
 This convenience function is equivalent to calling mapToScene(QRectF(x, y, w, h)). More...
 
QMatrix matrix () const
 Returns the item's affine transformation matrix. More...
 
void moveBy (qreal dx, qreal dy)
 Moves the item by dx points horizontally, and dy point vertically. More...
 
qreal opacity () const
 Returns this item's local opacity, which is between 0. More...
 
virtual QPainterPath opaqueArea () const
 This virtual function returns a shape representing the area where this item is opaque. More...
 
QGraphicsItempanel () const
 Returns the item's panel, or 0 if this item does not have a panel. More...
 
PanelModality panelModality () const
 Returns the modality for this item. More...
 
QGraphicsItemparentItem () const
 Returns a pointer to this item's parent item. More...
 
QGraphicsObjectparentObject () const
 Returns a pointer to the item's parent, cast to a QGraphicsObject. More...
 
QGraphicsWidgetparentWidget () const
 Returns a pointer to the item's parent widget. More...
 
QPointF pos () const
 Returns the position of the item in parent coordinates. More...
 
 QGraphicsItem (QGraphicsItem *parent=0)
 Constructs a QGraphicsItem with the given parent item. More...
 
void removeSceneEventFilter (QGraphicsItem *filterItem)
 Removes an event filter on this item from filterItem. More...
 
void resetMatrix ()
 Use resetTransform() instead. More...
 
void resetTransform ()
 Resets this item's transformation matrix to the identity matrix or all the transformation properties to their default values. More...
 
void rotate (qreal angle)
 Use. More...
 
qreal rotation () const
 Returns the clockwise rotation, in degrees, around the Z axis. More...
 
void scale (qreal sx, qreal sy)
 Use. More...
 
qreal scale () const
 Returns the scale factor of the item. More...
 
QGraphicsScenescene () const
 Returns the current scene for the item, or 0 if the item is not stored in a scene. More...
 
QRectF sceneBoundingRect () const
 Returns the bounding rect of this item in scene coordinates, by combining sceneTransform() with boundingRect(). More...
 
QMatrix sceneMatrix () const
 Use sceneTransform() instead. More...
 
QPointF scenePos () const
 Returns the item's position in scene coordinates. More...
 
QTransform sceneTransform () const
 Returns this item's scene transformation matrix. More...
 
void scroll (qreal dx, qreal dy, const QRectF &rect=QRectF())
 Scrolls the contents of rect by dx, dy. More...
 
void setAcceptDrops (bool on)
 If on is true, this item will accept drag and drop events; otherwise, it is transparent for drag and drop events. More...
 
void setAcceptedMouseButtons (Qt::MouseButtons buttons)
 Sets the mouse buttons that this item accepts mouse events for. More...
 
void setAcceptHoverEvents (bool enabled)
 If enabled is true, this item will accept hover events; otherwise, it will ignore them. More...
 
void setAcceptsHoverEvents (bool enabled)
 Use setAcceptHoverEvents(enabled) instead. More...
 
void setAcceptTouchEvents (bool enabled)
 If enabled is true, this item will accept touch events; otherwise, it will ignore them. More...
 
void setActive (bool active)
 If active is true, and the scene is active, this item's panel will be activated. More...
 
void setBoundingRegionGranularity (qreal granularity)
 Sets the bounding region granularity to granularity; a value between and including 0 and 1. More...
 
void setCacheMode (CacheMode mode, const QSize &cacheSize=QSize())
 Sets the item's cache mode to mode. More...
 
void setCursor (const QCursor &cursor)
 Sets the current cursor shape for the item to cursor. More...
 
void setData (int key, const QVariant &value)
 Sets this item's custom data for the key key to value. More...
 
void setEnabled (bool enabled)
 If enabled is true, the item is enabled; otherwise, it is disabled. More...
 
void setFiltersChildEvents (bool enabled)
 If enabled is true, this item is set to filter all events for all its children (i. More...
 
void setFlag (GraphicsItemFlag flag, bool enabled=true)
 If enabled is true, the item flag flag is enabled; otherwise, it is disabled. More...
 
void setFlags (GraphicsItemFlags flags)
 Sets the item flags to flags. More...
 
void setFocus (Qt::FocusReason focusReason=Qt::OtherFocusReason)
 Gives keyboard input focus to this item. More...
 
void setFocusProxy (QGraphicsItem *item)
 Sets the item's focus proxy to item. More...
 
void setGraphicsEffect (QGraphicsEffect *effect)
 Sets effect as the item's effect. More...
 
void setGroup (QGraphicsItemGroup *group)
 Adds this item to the item group group. More...
 
void setHandlesChildEvents (bool enabled)
 If enabled is true, this item is set to handle all events for all its children (i. More...
 
void setInputMethodHints (Qt::InputMethodHints hints)
 Sets the current input method hints of this item to hints. More...
 
void setMatrix (const QMatrix &matrix, bool combine=false)
 Sets the item's affine transformation matrix. More...
 
void setOpacity (qreal opacity)
 Sets this item's local opacity, between 0. More...
 
void setPanelModality (PanelModality panelModality)
 Sets the modality for this item to panelModality. More...
 
void setParentItem (QGraphicsItem *parent)
 Sets this item's parent item to newParent. More...
 
void setPos (const QPointF &pos)
 Sets the position of the item to pos, which is in parent coordinates. More...
 
void setPos (qreal x, qreal y)
 This convenience function is equivalent to calling setPos(QPointF(x, y)). More...
 
void setRotation (qreal angle)
 Sets the clockwise rotation angle, in degrees, around the Z axis. More...
 
void setScale (qreal scale)
 Sets the scale factor of the item. More...
 
void setSelected (bool selected)
 If selected is true and this item is selectable, this item is selected; otherwise, it is unselected. More...
 
void setToolTip (const QString &toolTip)
 Sets the item's tool tip to toolTip. More...
 
void setTransform (const QTransform &matrix, bool combine=false)
 Sets the item's current transformation matrix to matrix. More...
 
void setTransformations (const QList< QGraphicsTransform *> &transformations)
 Sets a list of graphics transformations (QGraphicsTransform) that currently apply to this item. More...
 
void setTransformOriginPoint (const QPointF &origin)
 Sets the origin point for the transformation in item coordinates. More...
 
void setTransformOriginPoint (qreal ax, qreal ay)
 Sets the origin point for the transformation in item coordinates. More...
 
void setVisible (bool visible)
 If visible is true, the item is made visible. More...
 
void setX (qreal x)
 Set's the x coordinate of the item's position. More...
 
void setY (qreal y)
 Set's the y coordinate of the item's position. More...
 
void setZValue (qreal z)
 Sets the Z-value of the item to z. More...
 
virtual QPainterPath shape () const
 Returns the shape of this item as a QPainterPath in local coordinates. More...
 
void shear (qreal sh, qreal sv)
 Use. More...
 
void show ()
 Shows the item. More...
 
void stackBefore (const QGraphicsItem *sibling)
 Stacks this item before sibling, which must be a sibling item (i. More...
 
QGraphicsObjecttoGraphicsObject ()
 Return the graphics item cast to a QGraphicsObject, if the class is actually a graphics object, 0 otherwise. More...
 
const QGraphicsObjecttoGraphicsObject () const
 Return the graphics item cast to a QGraphicsObject, if the class is actually a graphics object, 0 otherwise. More...
 
QString toolTip () const
 Returns the item's tool tip, or an empty QString if no tool tip has been set. More...
 
QGraphicsItemtopLevelItem () const
 Returns this item's top-level item. More...
 
QGraphicsWidgettopLevelWidget () const
 Returns a pointer to the item's top level widget (i. More...
 
QTransform transform () const
 Returns this item's transformation matrix. More...
 
QList< QGraphicsTransform * > transformations () const
 Returns a list of graphics transforms that currently apply to this item. More...
 
QPointF transformOriginPoint () const
 Returns the origin point for the transformation in item coordinates. More...
 
void translate (qreal dx, qreal dy)
 Use setPos() or setTransformOriginPoint() instead. More...
 
virtual int type () const
 Returns the type of an item as an int. More...
 
void ungrabKeyboard ()
 Releases the keyboard grab. More...
 
void ungrabMouse ()
 Releases the mouse grab. More...
 
void unsetCursor ()
 Clears the cursor from this item. More...
 
void update (const QRectF &rect=QRectF())
 Schedules a redraw of the area covered by rect in this item. More...
 
void update (qreal x, qreal y, qreal width, qreal height)
 This convenience function is equivalent to calling update(QRectF(x, y, width, height)). More...
 
QGraphicsWidgetwindow () const
 Returns the item's window, or 0 if this item does not have a window. More...
 
qreal x () const
 This convenience function is equivalent to calling pos(). More...
 
qreal y () const
 This convenience function is equivalent to calling pos(). More...
 
qreal zValue () const
 Returns the Z-value of the item. More...
 
virtual ~QGraphicsItem ()
 Destroys the QGraphicsItem and all its children. More...
 
- Public Functions inherited from QDeclarativeParserStatus
 QDeclarativeParserStatus ()
 
virtual ~QDeclarativeParserStatus ()
 

Protected Functions

virtual void componentComplete ()
 
- Protected Functions inherited from QDeclarativeItem
virtual void classBegin ()
 
virtual bool event (QEvent *)
 
virtual void geometryChanged (const QRectF &newGeometry, const QRectF &oldGeometry)
 This function is called to handle this item's changes in geometry from oldGeometry to newGeometry. More...
 
bool heightValid () const
 Returns whether the height property has been set explicitly. More...
 
virtual void inputMethodEvent (QInputMethodEvent *)
 
void inputMethodPreHandler (QInputMethodEvent *)
 
virtual QVariant inputMethodQuery (Qt::InputMethodQuery query) const
 
bool isComponentComplete () const
 Returns true if construction of the QML component is complete; otherwise returns false. More...
 
virtual QVariant itemChange (GraphicsItemChange, const QVariant &)
 Note that unlike QGraphicsItems, QDeclarativeItem::itemChange() is not called during initial widget polishing. More...
 
virtual void keyPressEvent (QKeyEvent *event)
 
void keyPressPreHandler (QKeyEvent *)
 
virtual void keyReleaseEvent (QKeyEvent *event)
 
void keyReleasePreHandler (QKeyEvent *)
 
 QDeclarativeItem (QDeclarativeItemPrivate &dd, QDeclarativeItem *parent=0)
 
virtual bool sceneEvent (QEvent *)
 
void setImplicitHeight (qreal)
 Sets the implied height of the item to h. More...
 
void setImplicitWidth (qreal)
 Sets the implied width of the item to w. More...
 
bool widthValid () const
 Returns whether the width property has been set explicitly. More...
 
- Protected Functions inherited from QGraphicsObject
 QGraphicsObject (QGraphicsItemPrivate &dd, QGraphicsItem *parent, QGraphicsScene *scene)
 
- Protected Functions inherited from QObject
virtual void childEvent (QChildEvent *)
 This event handler can be reimplemented in a subclass to receive child events. More...
 
virtual void connectNotify (const char *signal)
 This virtual function is called when something has been connected to signal in this object. More...
 
virtual void customEvent (QEvent *)
 This event handler can be reimplemented in a subclass to receive custom events. More...
 
virtual void disconnectNotify (const char *signal)
 This virtual function is called when something has been disconnected from signal in this object. More...
 
 QObject (QObjectPrivate &dd, QObject *parent=0)
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal. More...
 
QObjectsender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...
 
int senderSignalIndex () const
 
virtual void timerEvent (QTimerEvent *)
 This event handler can be reimplemented in a subclass to receive timer events for the object. More...
 
- Protected Functions inherited from QGraphicsItem
void addToIndex ()
 Adds this item to the scene's index. More...
 
virtual void contextMenuEvent (QGraphicsSceneContextMenuEvent *event)
 This event handler can be reimplemented in a subclass to process context menu events. More...
 
virtual void dragEnterEvent (QGraphicsSceneDragDropEvent *event)
 This event handler, for event event, can be reimplemented to receive drag enter events for this item. More...
 
virtual void dragLeaveEvent (QGraphicsSceneDragDropEvent *event)
 This event handler, for event event, can be reimplemented to receive drag leave events for this item. More...
 
virtual void dragMoveEvent (QGraphicsSceneDragDropEvent *event)
 This event handler, for event event, can be reimplemented to receive drag move events for this item. More...
 
virtual void dropEvent (QGraphicsSceneDragDropEvent *event)
 This event handler, for event event, can be reimplemented to receive drop events for this item. More...
 
virtual QVariant extension (const QVariant &variant) const
 Note: This is provided as a hook to avoid future problems related to adding virtual functions. More...
 
virtual void focusInEvent (QFocusEvent *event)
 This event handler, for event event, can be reimplemented to receive focus in events for this item. More...
 
virtual void focusOutEvent (QFocusEvent *event)
 This event handler, for event event, can be reimplemented to receive focus out events for this item. More...
 
virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *event)
 This event handler, for event event, can be reimplemented to receive hover enter events for this item. More...
 
virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *event)
 This event handler, for event event, can be reimplemented to receive hover leave events for this item. More...
 
virtual void hoverMoveEvent (QGraphicsSceneHoverEvent *event)
 This event handler, for event event, can be reimplemented to receive hover move events for this item. More...
 
virtual void mouseDoubleClickEvent (QGraphicsSceneMouseEvent *event)
 This event handler, for event event, can be reimplemented to receive mouse doubleclick events for this item. More...
 
virtual void mouseMoveEvent (QGraphicsSceneMouseEvent *event)
 This event handler, for event event, can be reimplemented to receive mouse move events for this item. More...
 
virtual void mousePressEvent (QGraphicsSceneMouseEvent *event)
 This event handler, for event event, can be reimplemented to receive mouse press events for this item. More...
 
virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
 This event handler, for event event, can be reimplemented to receive mouse release events for this item. More...
 
void prepareGeometryChange ()
 Prepares the item for a geometry change. More...
 
 QGraphicsItem (QGraphicsItemPrivate &dd, QGraphicsItem *parent, QGraphicsScene *scene)
 
void removeFromIndex ()
 Removes this item from the scene's index. More...
 
virtual bool sceneEventFilter (QGraphicsItem *watched, QEvent *event)
 Filters events for the item watched. More...
 
virtual void setExtension (Extension extension, const QVariant &variant)
 Note: This is provided as a hook to avoid future problems related to adding virtual functions. More...
 
virtual bool supportsExtension (Extension extension) const
 Note: This is provided as a hook to avoid future problems related to adding virtual functions. More...
 
void updateMicroFocus ()
 Updates the item's micro focus. More...
 
virtual void wheelEvent (QGraphicsSceneWheelEvent *event)
 This event handler, for event event, can be reimplemented to receive wheel events for this item. More...
 

Private Slots

void imageLoaded ()
 

Properties

qreal angle
 the initial angle of direction. More...
 
qreal angleDeviation
 the maximum possible deviation from the set angle. More...
 
int count
 the maximum number of particles More...
 
int emissionRate
 the emission rate of particles More...
 
qreal emissionVariance
 how much the particle emission amounts vary per tick More...
 
int fadeInDuration
 the time taken to fade in the particles. More...
 
int fadeOutDuration
 the time taken to fade out the particles. More...
 
int lifeSpan
 the life span of each particle. More...
 
int lifeSpanDeviation
 the maximum possible deviation from the set lifeSpan. More...
 
QDeclarativeParticleMotionmotion
 sets the type of motion to apply to the particles. More...
 
QUrl source
 the URL of the particle image. More...
 
qreal velocity
 the initial velocity of the particles. More...
 
qreal velocityDeviation
 the maximum possible deviation from the set velocity. More...
 

Additional Inherited Members

- Public Types inherited from QDeclarativeItem
enum  TransformOrigin {
  TopLeft, Top, TopRight, Left,
  Center, Right, BottomLeft, Bottom,
  BottomRight
}
 Controls the point about which simple transforms like scale apply. More...
 
- Public Types inherited from QGraphicsItem
enum  { Type = 1, UserType = 65536 }
 
enum  CacheMode { NoCache, ItemCoordinateCache, DeviceCoordinateCache }
 This enum describes QGraphicsItem's cache modes. More...
 
enum  GraphicsItemChange {
  ItemPositionChange, ItemMatrixChange, ItemVisibleChange, ItemEnabledChange,
  ItemSelectedChange, ItemParentChange, ItemChildAddedChange, ItemChildRemovedChange,
  ItemTransformChange, ItemPositionHasChanged, ItemTransformHasChanged, ItemSceneChange,
  ItemVisibleHasChanged, ItemEnabledHasChanged, ItemSelectedHasChanged, ItemParentHasChanged,
  ItemSceneHasChanged, ItemCursorChange, ItemCursorHasChanged, ItemToolTipChange,
  ItemToolTipHasChanged, ItemFlagsChange, ItemFlagsHaveChanged, ItemZValueChange,
  ItemZValueHasChanged, ItemOpacityChange, ItemOpacityHasChanged, ItemScenePositionHasChanged,
  ItemRotationChange, ItemRotationHasChanged, ItemScaleChange, ItemScaleHasChanged,
  ItemTransformOriginPointChange, ItemTransformOriginPointHasChanged
}
 This enum describes the state changes that are notified by QGraphicsItem::itemChange(). More...
 
enum  GraphicsItemFlag {
  ItemIsMovable = 0x1, ItemIsSelectable = 0x2, ItemIsFocusable = 0x4, ItemClipsToShape = 0x8,
  ItemClipsChildrenToShape = 0x10, ItemIgnoresTransformations = 0x20, ItemIgnoresParentOpacity = 0x40, ItemDoesntPropagateOpacityToChildren = 0x80,
  ItemStacksBehindParent = 0x100, ItemUsesExtendedStyleOption = 0x200, ItemHasNoContents = 0x400, ItemSendsGeometryChanges = 0x800,
  ItemAcceptsInputMethod = 0x1000, ItemNegativeZStacksBehindParent = 0x2000, ItemIsPanel = 0x4000, ItemIsFocusScope = 0x8000,
  ItemSendsScenePositionChanges = 0x10000, ItemStopsClickFocusPropagation = 0x20000, ItemStopsFocusHandling = 0x40000
}
 This enum describes different flags that you can set on an item to toggle different features in the item's behavior. More...
 
enum  PanelModality { NonModal, PanelModal, SceneModal }
 This enum specifies the behavior of a modal panel. More...
 
- Static Public Functions inherited from QObject
static bool connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...
 
static bool connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 Disconnects signal in object sender from method in object receiver. More...
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static uint registerUserData ()
 
static QString tr (const char *sourceText, const char *comment=0, int n=-1)
 
static QString trUtf8 (const char *sourceText, const char *comment=0, int n=-1)
 
- Static Public Variables inherited from QObject
static const QMetaObject staticMetaObject
 This variable stores the meta-object for the class. More...
 
- Protected Types inherited from QGraphicsItem
enum  Extension { UserExtension = 0x80000000 }
 Note: This is provided as a hook to avoid future problems related to adding virtual functions. More...
 
- Protected Slots inherited from QGraphicsObject
void updateMicroFocus ()
 Updates the item's micro focus. More...
 
- Protected Variables inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Protected Variables inherited from QGraphicsItem
QScopedPointer< QGraphicsItemPrivated_ptr
 
- Static Protected Variables inherited from QObject
static const QMetaObject staticQtMetaObject
 

Detailed Description

Definition at line 154 of file qdeclarativeparticles_p.h.

Constructors and Destructors

◆ QDeclarativeParticles()

QDeclarativeParticles::QDeclarativeParticles ( QDeclarativeItem parent = 0)

Definition at line 722 of file qdeclarativeparticles.cpp.

724 {
726  d->init();
727 }
QDeclarativeParserStatus ** d
QDeclarativeItem(QDeclarativeItem *parent=0)
Constructs a QDeclarativeItem with the given parent.
#define Q_D(Class)
Definition: qglobal.h:2482

◆ ~QDeclarativeParticles()

QDeclarativeParticles::~QDeclarativeParticles ( )

Definition at line 729 of file qdeclarativeparticles.cpp.

730 {
731 }

Functions

◆ angle()

qreal QDeclarativeParticles::angle ( ) const

Referenced by setFadeOutDuration().

◆ angleChanged

void QDeclarativeParticles::angleChanged ( )
signal

Referenced by setAngle().

◆ angleDeviation()

qreal QDeclarativeParticles::angleDeviation ( ) const

Referenced by setAngle().

◆ angleDeviationChanged

void QDeclarativeParticles::angleDeviationChanged ( )
signal

Referenced by setAngleDeviation().

◆ burst

void QDeclarativeParticles::burst ( int  count,
int  emissionRate = -1 
)
slot

Definition at line 1314 of file qdeclarativeparticles.cpp.

1315 {
1317  d->bursts << qMakePair(count, emissionRate);
1318  if (d->clock.state() != QAbstractAnimation::Running)
1319  d->clock.start();
1320 }
QDeclarativeParserStatus ** d
int emissionRate() const
#define Q_D(Class)
Definition: qglobal.h:2482
Q_OUTOFLINE_TEMPLATE QPair< T1, T2 > qMakePair(const T1 &x, const T2 &y)
Definition: qpair.h:102

◆ componentComplete()

void QDeclarativeParticles::componentComplete ( )
protectedvirtual
Warning
This function is not part of the public interface.

componentComplete() is called when all items in the component have been constructed. It is often desirable to delay some processing until the component is complete an all bindings in the component have been resolved.

Reimplemented from QDeclarativeItem.

Definition at line 1389 of file qdeclarativeparticles.cpp.

1390 {
1393  if (d->count && d->emissionRate) {
1394  d->paintItem->updateSize();
1395  d->clock.start();
1396  }
1397  if (d->lifeSpanDev > d->lifeSpan)
1398  d->lifeSpanDev = d->lifeSpan;
1399 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
virtual void componentComplete()

◆ count()

int QDeclarativeParticles::count ( ) const

Referenced by setSource().

◆ countChanged

void QDeclarativeParticles::countChanged ( )
signal

Referenced by setCount().

◆ emissionRate()

int QDeclarativeParticles::emissionRate ( ) const

Referenced by setCount().

◆ emissionRateChanged

void QDeclarativeParticles::emissionRateChanged ( )
signal

Referenced by setEmissionRate().

◆ emissionVariance()

qreal QDeclarativeParticles::emissionVariance ( ) const

Referenced by setEmissionRate().

◆ emissionVarianceChanged

void QDeclarativeParticles::emissionVarianceChanged ( )
signal

Referenced by setEmissionVariance().

◆ emittingChanged

void QDeclarativeParticles::emittingChanged ( )
signal

◆ fadeInDuration()

int QDeclarativeParticles::fadeInDuration ( ) const

Referenced by setLifeSpanDeviation().

◆ fadeInDurationChanged

void QDeclarativeParticles::fadeInDurationChanged ( )
signal

Referenced by setFadeInDuration().

◆ fadeOutDuration()

int QDeclarativeParticles::fadeOutDuration ( ) const

Referenced by setFadeInDuration().

◆ fadeOutDurationChanged

void QDeclarativeParticles::fadeOutDurationChanged ( )
signal

Referenced by setFadeOutDuration().

◆ imageLoaded

void QDeclarativeParticles::imageLoaded ( )
privateslot

Definition at line 754 of file qdeclarativeparticles.cpp.

Referenced by setSource().

755 {
757  if (d->image.isError())
758  qmlInfo(this) << d->image.error();
759  d->paintItem->updateSize();
760  d->paintItem->update();
761 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
QDeclarativeInfo qmlInfo(const QObject *me)

◆ lifeSpan()

int QDeclarativeParticles::lifeSpan ( ) const

Referenced by setEmissionVariance().

◆ lifeSpanChanged

void QDeclarativeParticles::lifeSpanChanged ( )
signal

Referenced by setLifeSpan().

◆ lifeSpanDeviation()

int QDeclarativeParticles::lifeSpanDeviation ( ) const

Referenced by setLifeSpan().

◆ lifeSpanDeviationChanged

void QDeclarativeParticles::lifeSpanDeviationChanged ( )
signal

Referenced by setLifeSpanDeviation().

◆ motion()

QDeclarativeParticleMotion* QDeclarativeParticles::motion ( ) const

Referenced by setMotion(), and setVelocityDeviation().

◆ motionChanged

void QDeclarativeParticles::motionChanged ( )
signal

Referenced by setMotion().

◆ paint()

void QDeclarativeParticles::paint ( QPainter ,
const QStyleOptionGraphicsItem ,
QWidget  
)
virtual
Warning
This function is not part of the public interface.

Reimplemented from QDeclarativeItem.

Definition at line 1351 of file qdeclarativeparticles.cpp.

1352 {
1353  Q_UNUSED(p);
1354  //painting is done by the ParticlesPainter, so it can have the right size
1355 }
#define Q_UNUSED(x)
Indicates to the compiler that the parameter with the specified name is not used in the body of a fun...
Definition: qglobal.h:1729

◆ setAngle()

void QDeclarativeParticles::setAngle ( qreal  angle)

Definition at line 1121 of file qdeclarativeparticles.cpp.

1122 {
1124  qreal radAngle = angle * M_PI / 180.0;
1125  if(radAngle == d->angle)
1126  return;
1127  d->angle = radAngle;
1128  emit angleChanged();
1129 }
double qreal
Definition: qglobal.h:1193
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76
qreal angle() const
#define M_PI

◆ setAngleDeviation()

void QDeclarativeParticles::setAngleDeviation ( qreal  dev)

Definition at line 1158 of file qdeclarativeparticles.cpp.

1159 {
1161  qreal radDev = dev * M_PI / 180.0;
1162  if(radDev == d->angleDev)
1163  return;
1164  d->angleDev = radDev;
1166 }
double qreal
Definition: qglobal.h:1193
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76
#define M_PI

◆ setCount()

void QDeclarativeParticles::setCount ( int  cnt)

Definition at line 825 of file qdeclarativeparticles.cpp.

826 {
828  if (cnt == d->count)
829  return;
830 
831  int oldCount = d->count;
832  d->count = cnt;
833  d->addParticleTime = 0;
834  d->addParticleCount = d->particles.count();
835  if (!oldCount && d->clock.state() != QAbstractAnimation::Running && d->count && d->emissionRate) {
836  d->clock.start();
837  }
838  d->paintItem->updateSize();
839  d->paintItem->update();
840  emit countChanged();
841 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setEmissionRate()

void QDeclarativeParticles::setEmissionRate ( int  er)

Definition at line 876 of file qdeclarativeparticles.cpp.

877 {
879  if(er == d->emissionRate)
880  return;
881  d->emissionRate = er;
882  if (d->clock.state() != QAbstractAnimation::Running && d->count && d->emissionRate) {
883  d->clock.start();
884  }
886 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setEmissionVariance()

void QDeclarativeParticles::setEmissionVariance ( qreal  ev)

Definition at line 930 of file qdeclarativeparticles.cpp.

931 {
933  if(d->emissionVariance == ev)
934  return;
935  d->emissionVariance = ev;
937 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setFadeInDuration()

void QDeclarativeParticles::setFadeInDuration ( int  dur)

Definition at line 1051 of file qdeclarativeparticles.cpp.

1052 {
1054  if (dur < 0.0 || dur == d->fadeInDur)
1055  return;
1056  d->fadeInDur = dur;
1058 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setFadeOutDuration()

void QDeclarativeParticles::setFadeOutDuration ( int  dur)

Definition at line 1075 of file qdeclarativeparticles.cpp.

1076 {
1078  if (dur < 0.0 || d->fadeOutDur == dur)
1079  return;
1080  d->fadeOutDur = dur;
1082 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setLifeSpan()

void QDeclarativeParticles::setLifeSpan ( int  ls)

Definition at line 980 of file qdeclarativeparticles.cpp.

981 {
983  if(d->lifeSpan == ls)
984  return;
985  d->lifeSpan = ls;
987 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setLifeSpanDeviation()

void QDeclarativeParticles::setLifeSpanDeviation ( int  dev)

Definition at line 1016 of file qdeclarativeparticles.cpp.

1017 {
1019  if(d->lifeSpanDev == dev)
1020  return;
1021  d->lifeSpanDev = dev;
1023 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setMotion()

void QDeclarativeParticles::setMotion ( QDeclarativeParticleMotion motion)

Definition at line 1285 of file qdeclarativeparticles.cpp.

1286 {
1288  if (motion == d->motion)
1289  return;
1290  d->motion = motion;
1291  emit motionChanged();
1292 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
QDeclarativeParticleMotion * motion() const
#define emit
Definition: qobjectdefs.h:76

◆ setSource()

void QDeclarativeParticles::setSource ( const QUrl name)

Definition at line 763 of file qdeclarativeparticles.cpp.

764 {
766 
767  if ((d->url.isEmpty() == name.isEmpty()) && name == d->url)
768  return;
769 
770  if (name.isEmpty()) {
771  d->url = name;
772  d->image.clear(this);
773  d->paintItem->updateSize();
774  d->paintItem->update();
775  } else {
776  d->url = name;
777  Q_ASSERT(!name.isRelative());
778  d->image.load(qmlEngine(this), d->url);
779  if (d->image.isLoading()) {
780  d->image.connectFinished(this, SLOT(imageLoaded()));
781  } else {
782  if (d->image.isError())
783  qmlInfo(this) << d->image.error();
784  //### unify with imageLoaded
785  d->paintItem->updateSize();
786  d->paintItem->update();
787  }
788  }
790 }
QDeclarativeParserStatus ** d
bool isEmpty() const
Returns true if the URL has no data; otherwise returns false.
Definition: qurl.cpp:4317
#define SLOT(a)
Definition: qobjectdefs.h:226
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
#define Q_D(Class)
Definition: qglobal.h:2482
bool isRelative() const
Returns true if the URL is relative; otherwise returns false.
Definition: qurl.cpp:5880
const char * name
#define emit
Definition: qobjectdefs.h:76
Q_DECLARATIVE_EXPORT QDeclarativeEngine * qmlEngine(const QObject *)
QDeclarativeInfo qmlInfo(const QObject *me)

◆ setVelocity()

void QDeclarativeParticles::setVelocity ( qreal  velocity)

Definition at line 1205 of file qdeclarativeparticles.cpp.

1206 {
1208  qreal realVel = velocity / 1000.0;
1209  if(realVel == d->velocity)
1210  return;
1211  d->velocity = realVel;
1213 }
double qreal
Definition: qglobal.h:1193
QDeclarativeParserStatus ** d
qreal velocity() const
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setVelocityDeviation()

void QDeclarativeParticles::setVelocityDeviation ( qreal  velocity)

Definition at line 1242 of file qdeclarativeparticles.cpp.

1243 {
1245  qreal realDev = velocity / 1000.0;
1246  if(realDev == d->velocityDev)
1247  return;
1248  d->velocityDev = realDev;
1250 }
double qreal
Definition: qglobal.h:1193
QDeclarativeParserStatus ** d
qreal velocity() const
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ source()

QUrl QDeclarativeParticles::source ( ) const

Referenced by ~QDeclarativeParticles().

◆ sourceChanged

void QDeclarativeParticles::sourceChanged ( )
signal

Referenced by setSource().

◆ velocity()

qreal QDeclarativeParticles::velocity ( ) const

Referenced by setAngleDeviation().

◆ velocityChanged

void QDeclarativeParticles::velocityChanged ( )
signal

Referenced by setVelocity().

◆ velocityDeviation()

qreal QDeclarativeParticles::velocityDeviation ( ) const

Referenced by setVelocity().

◆ velocityDeviationChanged

void QDeclarativeParticles::velocityDeviationChanged ( )
signal

Referenced by setVelocityDeviation().

Properties

◆ angle

qreal QDeclarativeParticles::angle
private

the initial angle of direction.

See also
QDeclarativeParticles::angleDeviation

Definition at line 166 of file qdeclarativeparticles_p.h.

◆ angleDeviation

qreal QDeclarativeParticles::angleDeviation
private

the maximum possible deviation from the set angle.

Randomly varies the direction up to the specified variation. For example, the following creates particles whose initial direction will vary from 15 degrees to 105 degrees:

source: "star.png"
angle: 60
}
\sa QDeclarativeParticles::angle

Definition at line 167 of file qdeclarativeparticles_p.h.

◆ count

int QDeclarativeParticles::count
private

the maximum number of particles

Definition at line 159 of file qdeclarativeparticles_p.h.

◆ emissionRate

int QDeclarativeParticles::emissionRate
private

the emission rate of particles

Definition at line 160 of file qdeclarativeparticles_p.h.

◆ emissionVariance

qreal QDeclarativeParticles::emissionVariance
private

how much the particle emission amounts vary per tick

Definition at line 161 of file qdeclarativeparticles_p.h.

◆ fadeInDuration

int QDeclarativeParticles::fadeInDuration
private

the time taken to fade in the particles.

Default value is 200ms.

Definition at line 164 of file qdeclarativeparticles_p.h.

◆ fadeOutDuration

int QDeclarativeParticles::fadeOutDuration
private

the time taken to fade out the particles.

Default value is 300ms.

Definition at line 165 of file qdeclarativeparticles_p.h.

◆ lifeSpan

int QDeclarativeParticles::lifeSpan
private

the life span of each particle.

Default value is 1000ms.

See also
QDeclarativeParticles::lifeSpanDeviation

Definition at line 162 of file qdeclarativeparticles_p.h.

◆ lifeSpanDeviation

int QDeclarativeParticles::lifeSpanDeviation
private

the maximum possible deviation from the set lifeSpan.

Randomly varies the lifeSpan up to the specified variation. For example, the following creates particles whose lifeSpan will vary from 150ms to 250ms:

source: "star.png"
lifeSpan: 200
}
\sa QDeclarativeParticles::lifeSpan

Definition at line 163 of file qdeclarativeparticles_p.h.

◆ motion

QDeclarativeParticleMotion * QDeclarativeParticles::motion
private

sets the type of motion to apply to the particles.

When a particle is created it will have an initial direction and velocity. The motion of the particle during its lifeSpan is then influenced by the motion property.

Default motion is QDeclarativeParticleMotionLinear.

Definition at line 170 of file qdeclarativeparticles_p.h.

◆ source

QUrl QDeclarativeParticles::source
private

the URL of the particle image.

Definition at line 158 of file qdeclarativeparticles_p.h.

◆ velocity

qreal QDeclarativeParticles::velocity
private

the initial velocity of the particles.

See also
QDeclarativeParticles::velocityDeviation

Definition at line 168 of file qdeclarativeparticles_p.h.

◆ velocityDeviation

qreal QDeclarativeParticles::velocityDeviation
private

the maximum possible deviation from the set velocity.

Randomly varies the velocity up to the specified variation. For example, the following creates particles whose initial velocity will vary from 40 to 60.

\sa QDeclarativeParticles::velocity

Definition at line 169 of file qdeclarativeparticles_p.h.


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