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QgsComposerPicture Class Reference

A composer class that displays svg files or raster format (jpg, png, ...) More...

#include <qgscomposerpicture.h>

Inheritance diagram for QgsComposerPicture:
Inheritance graph
[legend]

Public Types

enum  Mode { SVG, RASTER, Unknown }
 Format of source image. More...
 
enum  ResizeMode {
  Zoom, Stretch, Clip, ZoomResizeFrame,
  FrameToImageSize
}
 Controls how pictures are scaled within the item's frame. More...
 
- Public Types inherited from QgsComposerItem
enum  ItemPositionMode {
  UpperLeft, UpperMiddle, UpperRight, MiddleLeft,
  Middle, MiddleRight, LowerLeft, LowerMiddle,
  LowerRight
}
 
enum  ItemType {
  ComposerItem = UserType + 100, ComposerArrow, ComposerItemGroup, ComposerLabel,
  ComposerLegend, ComposerMap, ComposerPaper, ComposerPicture,
  ComposerScaleBar, ComposerShape, ComposerTable, ComposerAttributeTable,
  ComposerTextTable, ComposerFrame
}
 
enum  MouseMoveAction {
  MoveItem, ResizeUp, ResizeDown, ResizeLeft,
  ResizeRight, ResizeLeftUp, ResizeRightUp, ResizeLeftDown,
  ResizeRightDown, NoAction
}
 Describes the action (move or resize in different directon) to be done during mouse move. More...
 
enum  ZoomMode { Zoom = 0, ZoomRecenter, ZoomToPoint, NoZoom }
 Modes for zooming item content. More...
 
- Public Types inherited from QgsComposerObject
enum  DataDefinedProperty {
  NoProperty = 0, AllProperties, TestProperty, PresetPaperSize,
  PaperWidth, PaperHeight, NumPages, PaperOrientation,
  PageNumber, PositionX, PositionY, ItemWidth,
  ItemHeight, ItemRotation, Transparency, BlendMode,
  ExcludeFromExports, MapRotation, MapScale, MapXMin,
  MapYMin, MapXMax, MapYMax, MapAtlasMargin,
  MapLayers, MapStylePreset, PictureSource, SourceUrl
}
 Data defined properties for different item types. More...
 
enum  PropertyValueType { EvaluatedValue = 0, OriginalValue }
 Specifies whether the value returned by a function should be the original, user set value, or the current evaluated value for the property. More...
 

Public Slots

void refreshPicture (const QgsExpressionContext *context=0)
 Recalculates the source image (if using an expression for picture's source) and reloads and redraws the picture. More...
 
virtual void setPictureExpression (QString expression)
 Sets an expression to use for the picture source. More...
 
virtual void setPictureRotation (double r)
 Sets the picture rotation within the item bounds. More...
 
virtual void setResizeMode (ResizeMode mode)
 Sets the resize mode used for drawing the picture within the item bounds. More...
 
virtual void setRotation (double r) override
 Sets the picture rotation within the item bounds. More...
 
virtual void setUsePictureExpression (bool useExpression)
 Sets whether the picture should use an expression based image source path. More...
 
Q_DECL_DEPRECATED void updatePictureExpression ()
 Prepares the picture's source expression after it is altered or the compositions atlas coverage layer changes. More...
 
- Public Slots inherited from QgsComposerItem
void repaint () override
 
virtual void setItemRotation (const double r, const bool adjustPosition=false)
 Sets the item rotation. More...
 
virtual void setRotation (double r)
 Sets the item rotation. More...
 
- Public Slots inherited from QgsComposerObject
virtual void repaint ()
 Triggers a redraw for the item. More...
 

Signals

void pictureRotationChanged (double newRotation)
 Is emitted on picture rotation change. More...
 
- Signals inherited from QgsComposerItem
void frameChanged ()
 Emitted if the item's frame style changes. More...
 
void itemRotationChanged (double newRotation)
 Is emitted on item rotation change. More...
 
void lockChanged ()
 Emitted if the item's lock status changes. More...
 
void sizeChanged ()
 Emitted if the rectangle changes. More...
 
- Signals inherited from QgsComposerObject
void itemChanged ()
 Emitted when the item changes. More...
 

Public Member Functions

 QgsComposerPicture (QgsComposition *composition)
 
 ~QgsComposerPicture ()
 
Q_DECL_DEPRECATED bool cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height) const
 Calculates corner point after rotation and scaling. More...
 
Q_DECL_DEPRECATED bool imageSizeConsideringRotation (double &width, double &height) const
 Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation. More...
 
Mode mode () const
 Returns the current picture mode (image format). More...
 
void paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget) override
 Reimplementation of QCanvasItem::paint. More...
 
ItemPositionMode pictureAnchor () const
 Returns the picture's current anchor, which controls how it is placed within the picture item's frame. More...
 
Q_DECL_DEPRECATED QString pictureExpression () const
 Returns the expression the item is using for the picture source. More...
 
Q_DECL_DEPRECATED QString pictureFile () const
 Returns the path of the source image file. More...
 
QString picturePath () const
 Returns the path of the source image. More...
 
double pictureRotation () const
 Returns the rotation used for drawing the picture within the item's frame. More...
 
bool readXML (const QDomElement &itemElem, const QDomDocument &doc) override
 Sets state from Dom document. More...
 
void recalculateSize ()
 Forces a recalculation of the picture's frame size. More...
 
virtual void refreshDataDefinedProperty (const QgsComposerObject::DataDefinedProperty property=QgsComposerObject::AllProperties, const QgsExpressionContext *context=0) override
 Refreshes a data defined property for the item by reevaluating the property's value and redrawing the item with this new value. More...
 
ResizeMode resizeMode () const
 Returns the resize mode used for drawing the picture within the composer item's frame. More...
 
Q_DECL_DEPRECATED double rotation () const
 Returns the rotation used for drawing the picture within the composer item. More...
 
int rotationMap () const
 Returns the id of the rotation map. More...
 
void setPictureAnchor (QgsComposerItem::ItemPositionMode anchor)
 Sets the picture's anchor point, which controls how it is placed within the picture item's frame. More...
 
Q_DECL_DEPRECATED void setPictureFile (const QString &path)
 Sets the source file of the image (may be svg or a raster format). More...
 
void setPicturePath (const QString &path)
 Sets the source path of the image (may be svg or a raster format). More...
 
void setRotationMap (int composerMapId)
 Sets the map object for rotation (by id). More...
 
void setSceneRect (const QRectF &rectangle) override
 Sets this items bound in scene coordinates such that 1 item size units corresponds to 1 scene size unit and resizes the svg symbol / image. More...
 
Q_DECL_DEPRECATED void sizeChangedByRotation (double &width, double &height)
 Calculates width / height of the bounding box of a rotated rectangle. More...
 
virtual int type () const override
 Return correct graphics item type. More...
 
Q_DECL_DEPRECATED bool usePictureExpression () const
 Returns whether the picture item is using an expression for the image source. More...
 
bool useRotationMap () const
 True if the picture rotation is matched to a map item. More...
 
bool writeXML (QDomElement &elem, QDomDocument &doc) const override
 Stores state in Dom element. More...
 
- Public Member Functions inherited from QgsComposerItem
 QgsComposerItem (QgsComposition *composition, bool manageZValue=true)
 Constructor. More...
 
 QgsComposerItem (qreal x, qreal y, qreal width, qreal height, QgsComposition *composition, bool manageZValue=true)
 Constructor with box position and composer object. More...
 
virtual ~QgsComposerItem ()
 
bool _readXML (const QDomElement &itemElem, const QDomDocument &doc)
 Reads parameter that are not subclass specific in document. More...
 
bool _writeXML (QDomElement &itemElem, QDomDocument &doc) const
 Writes parameter that are not subclass specific in document. More...
 
virtual void addItem (QgsComposerItem *item)
 Composite operations for item groups do nothing per default. More...
 
QColor backgroundColor () const
 Gets the background color for this item. More...
 
void beginCommand (const QString &commandText, QgsComposerMergeCommand::Context c=QgsComposerMergeCommand::Unknown)
 Starts new composer undo command. More...
 
virtual void beginItemCommand (const QString &text)
 
QPainter::CompositionMode blendMode () const
 Returns the item's composition blending mode. More...
 
void cancelCommand ()
 
virtual QgsExpressionContextcreateExpressionContext () const override
 Creates an expression context relating to the objects's current state. More...
 
virtual QString displayName () const
 Get item display name. More...
 
Q_DECL_DEPRECATED void drawText (QPainter *p, double x, double y, const QString &text, const QFont &font, const QColor &c=QColor()) const
 Draws Text. More...
 
Q_DECL_DEPRECATED void drawText (QPainter *p, const QRectF &rect, const QString &text, const QFont &font, Qt::AlignmentFlag halignment=Qt::AlignLeft, Qt::AlignmentFlag valignment=Qt::AlignTop, int flags=Qt::TextWordWrap) const
 Like the above, but with a rectangle for multiline text. More...
 
bool effectsEnabled () const
 Returns whether effects (eg blend modes) are enabled for the item. More...
 
void endCommand ()
 Finish current command and push it onto the undo stack. More...
 
virtual void endItemCommand ()
 
virtual double estimatedFrameBleed () const
 Returns the estimated amount the item's frame bleeds outside the item's actual rectangle. More...
 
bool excludeFromExports (const QgsComposerObject::PropertyValueType valueType=QgsComposerObject::EvaluatedValue)
 Returns whether the item should be excluded from composer exports and prints. More...
 
Q_DECL_DEPRECATED double fontAscentMillimeters (const QFont &font) const
 Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More...
 
Q_DECL_DEPRECATED double fontDescentMillimeters (const QFont &font) const
 Returns the font descent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More...
 
Q_DECL_DEPRECATED double fontHeightCharacterMM (const QFont &font, const QChar &c) const
 Returns the font height of a character in millimeters. More...
 
Q_DECL_DEPRECATED double fontHeightMillimeters (const QFont &font) const
 Returns the font height in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More...
 
Qt::PenJoinStyle frameJoinStyle () const
 Returns the join style used for drawing the item's frame. More...
 
QColor frameOutlineColor () const
 Returns the frame's outline color. More...
 
double frameOutlineWidth () const
 Returns the frame's outline width. More...
 
bool hasBackground () const
 Whether this item has a Background or not. More...
 
bool hasFrame () const
 Whether this item has a frame or not. More...
 
QString id () const
 Get item's id (which is not necessarly unique) More...
 
bool isGroupMember () const
 Returns whether this item is part of a group. More...
 
virtual bool isRemoved () const
 Returns whether this item has been removed from the composition. More...
 
double itemRotation (const QgsComposerObject::PropertyValueType valueType=QgsComposerObject::EvaluatedValue) const
 Returns the current rotation for the composer item. More...
 
ItemPositionMode lastUsedPositionMode ()
 Returns item's last used position mode. More...
 
void move (double dx, double dy)
 Moves item in canvas coordinates. More...
 
virtual void moveContent (double dx, double dy)
 Move Content of item. More...
 
virtual int numberExportLayers () const
 Get the number of layers that this item requires for exporting as layers. More...
 
int page () const
 Gets the page the item is currently on. More...
 
QPointF pagePos () const
 Returns the item's position relative to its current page. More...
 
Q_DECL_DEPRECATED double pixelFontSize (double pointSize) const
 Calculates font size in mm from a font point size. More...
 
bool positionLock () const
 Returns whether position lock for mouse drags is enabled returns true if item is locked for mouse movement and resizing. More...
 
virtual QRectF rectWithFrame () const
 Returns the item's rectangular bounds, including any bleed caused by the item's frame. More...
 
virtual void removeItems ()
 
Q_DECL_DEPRECATED double rotation () const
 Returns the rotation for the composer item. More...
 
Q_DECL_DEPRECATED QFont scaledFontPixelSize (const QFont &font) const
 Returns a font where size is in pixel and font size is upscaled with FONT_WORKAROUND_SCALE. More...
 
virtual bool selected () const
 Is selected. More...
 
void setBackgroundColor (const QColor &backgroundColor)
 Sets the background color for this item. More...
 
void setBackgroundEnabled (const bool drawBackground)
 Set whether this item has a Background drawn around it or not. More...
 
void setBlendMode (const QPainter::CompositionMode blendMode)
 Sets the item's composition blending mode. More...
 
virtual void setCurrentExportLayer (const int layerIdx=-1)
 Sets the current layer to draw for exporting. More...
 
void setEffectsEnabled (const bool effectsEnabled)
 Sets whether effects (eg blend modes) are enabled for the item. More...
 
virtual void setExcludeFromExports (const bool exclude)
 Sets whether the item should be excluded from composer exports and prints. More...
 
virtual void setFrameEnabled (const bool drawFrame)
 Set whether this item has a frame drawn around it or not. More...
 
void setFrameJoinStyle (const Qt::PenJoinStyle style)
 Sets join style used when drawing the item's frame. More...
 
virtual void setFrameOutlineColor (const QColor &color)
 Sets frame outline color. More...
 
virtual void setFrameOutlineWidth (const double outlineWidth)
 Sets frame outline width. More...
 
virtual void setId (const QString &id)
 Set item's id (which is not necessarly unique) More...
 
void setIsGroupMember (const bool isGroupMember)
 Sets whether this item is part of a group. More...
 
void setIsRemoved (const bool removed)
 Sets whether this item has been removed from the composition. More...
 
void setItemPosition (double x, double y, ItemPositionMode itemPoint=UpperLeft, int page=-1)
 Moves the item to a new position (in canvas coordinates) More...
 
void setItemPosition (double x, double y, double width, double height, ItemPositionMode itemPoint=UpperLeft, bool posIncludesFrame=false, int page=-1)
 Sets item position and width / height in one go. More...
 
void setPositionLock (const bool lock)
 Locks / unlocks the item position for mouse drags. More...
 
virtual void setSelected (bool s)
 Set selected, selected item should be highlighted. More...
 
void setTransparency (const int transparency)
 Sets the item's transparency. More...
 
virtual void setVisibility (const bool visible)
 Sets visibility for item. More...
 
Q_DECL_DEPRECATED double textWidthMillimeters (const QFont &font, const QString &text) const
 Returns the font width in millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More...
 
int transparency () const
 Returns the item's transparency. More...
 
virtual void updateItem ()
 Updates item, with the possibility to do custom update for subclasses. More...
 
void updatePagePos (double newPageWidth, double newPageHeight)
 Moves the item so that it retains its relative position on the page when the paper size changes. More...
 
QString uuid () const
 Get item identification name. More...
 
virtual Q_DECL_DEPRECATED void zoomContent (int delta, double x, double y)
 Zoom content of item. More...
 
virtual void zoomContent (const double factor, const QPointF point, const ZoomMode mode=QgsComposerItem::Zoom)
 Zoom content of item. More...
 
- Public Member Functions inherited from QgsComposerObject
 QgsComposerObject (QgsComposition *composition)
 Constructor. More...
 
virtual ~QgsComposerObject ()
 
const QgsCompositioncomposition () const
 Returns the composition the item is attached to. More...
 
QgsCompositioncomposition ()
 
QStringList customProperties () const
 Return list of keys stored in custom properties for the object. More...
 
QVariant customProperty (const QString &key, const QVariant &defaultValue=QVariant()) const
 Read a custom property from the object. More...
 
QgsDataDefineddataDefinedProperty (const DataDefinedProperty property) const
 Returns a reference to the data defined settings for one of the item's data defined properties. More...
 
void removeCustomProperty (const QString &key)
 Remove a custom property from the object. More...
 
void setCustomProperty (const QString &key, const QVariant &value)
 Set a custom property for the object. More...
 
void setDataDefinedProperty (const DataDefinedProperty property, const bool active, const bool useExpression, const QString &expression, const QString &field)
 Sets parameters for a data defined property for the item. More...
 
- Public Member Functions inherited from QObject
 QObject (QObject *parent)
 
 QObject (QObject *parent, const char *name)
 
virtual  ~QObject ()
 
bool blockSignals (bool block)
 
QObjectchild (const char *objName, const char *inheritsClass, bool recursiveSearch) const
 
const QObjectList & children () const
 
const char * className () const
 
bool connect (const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const
 
void deleteLater ()
 
void destroyed (QObject *obj)
 
bool disconnect (const QObject *receiver, const char *method)
 
bool disconnect (const char *signal, const QObject *receiver, const char *method)
 
void dumpObjectInfo ()
 
void dumpObjectTree ()
 
QList< QByteArraydynamicPropertyNames () const
 
virtual bool event (QEvent *e)
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 
findChild (const QString &name) const
 
QList< T > findChildren (const QRegExp &regExp) const
 
QList< T > findChildren (const QString &name) const
 
bool inherits (const char *className) const
 
void insertChild (QObject *object)
 
void installEventFilter (QObject *filterObj)
 
bool isA (const char *className) const
 
bool isWidgetType () const
 
void killTimer (int id)
 
virtual const QMetaObjectmetaObject () const
 
void moveToThread (QThread *targetThread)
 
const char * name () const
 
const char * name (const char *defaultName) const
 
QString objectName () const
 
QObjectparent () const
 
QVariant property (const char *name) const
 
void removeChild (QObject *object)
 
void removeEventFilter (QObject *obj)
 
void setName (const char *name)
 
void setObjectName (const QString &name)
 
void setParent (QObject *parent)
 
bool setProperty (const char *name, const QVariant &value)
 
bool signalsBlocked () const
 
int startTimer (int interval)
 
QThreadthread () const
 
- Public Member Functions inherited from QGraphicsRectItem
 QGraphicsRectItem (QGraphicsItem *parent)
 
 QGraphicsRectItem (const QRectF &rect, QGraphicsItem *parent)
 
 QGraphicsRectItem (qreal x, qreal y, qreal width, qreal height, QGraphicsItem *parent)
 
 ~QGraphicsRectItem ()
 
virtual QRectF boundingRect () const
 
virtual bool contains (const QPointF &point) const
 
virtual bool isObscuredBy (const QGraphicsItem *item) const
 
virtual QPainterPath opaqueArea () const
 
QRectF rect () const
 
void setRect (const QRectF &rectangle)
 
void setRect (qreal x, qreal y, qreal width, qreal height)
 
virtual QPainterPath shape () const
 
- Public Member Functions inherited from QAbstractGraphicsShapeItem
 QAbstractGraphicsShapeItem (QGraphicsItem *parent)
 
 ~QAbstractGraphicsShapeItem ()
 
QBrush brush () const
 
QPen pen () const
 
void setBrush (const QBrush &brush)
 
void setPen (const QPen &pen)
 
- 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
 
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
 
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 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)
 
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)
 
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
 

Additional Inherited Members

- Static Public Member Functions inherited from QObject
bool connect (const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type)
 
bool connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type)
 
bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *method)
 
bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method)
 
QString tr (const char *sourceText, const char *disambiguation, int n)
 
QString trUtf8 (const char *sourceText, const char *disambiguation, int n)
 
- Public Attributes inherited from QGraphicsItem
typedef GraphicsItemFlags
 
- Protected Member Functions inherited from QgsComposerItem
Q_DECL_DEPRECATED double angle (const QPointF &p1, const QPointF &p2) const
 Returns angle of the line from p1 to p2 (clockwise, starting at N) More...
 
Q_DECL_DEPRECATED bool cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height, double rotation) const
 Calculates corner point after rotation and scaling. More...
 
Q_DECL_DEPRECATED bool cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height) const
 Calculates corner point after rotation and scaling. More...
 
void deleteAlignItems ()
 
void deleteHAlignSnapItem ()
 
void deleteVAlignSnapItem ()
 
Q_DECL_DEPRECATED void drawArrowHead (QPainter *p, double x, double y, double angle, double arrowHeadWidth) const
 Draws arrowhead. More...
 
virtual void drawBackground (QPainter *p)
 Draw background. More...
 
virtual void drawFrame (QPainter *p)
 Draw black frame around item. More...
 
virtual void drawSelectionBoxes (QPainter *p)
 Draws additional graphics on selected items. More...
 
QRectF evalItemRect (const QRectF &newRect, const bool resizeOnly=false, const QgsExpressionContext *context=0)
 Evaluates an item's bounding rect to consider data defined position and size of item and reference point. More...
 
QGraphicsLineItemhAlignSnapItem ()
 Return horizontal align snap item. More...
 
double horizontalViewScaleFactor () const
 Returns the zoom factor of the graphics view. More...
 
Q_DECL_DEPRECATED bool imageSizeConsideringRotation (double &width, double &height, double rotation) const
 Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation. More...
 
Q_DECL_DEPRECATED bool imageSizeConsideringRotation (double &width, double &height) const
 Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation. More...
 
Q_DECL_DEPRECATED QRectF largestRotatedRectWithinBounds (QRectF originalRect, QRectF boundsRect, double rotation) const
 Calculates the largest scaled version of originalRect which fits within boundsRect, when it is rotated by a specified amount. More...
 
Q_DECL_DEPRECATED double lockSymbolSize () const
 Returns the size of the lock symbol depending on the composer zoom level and the item size. More...
 
double rectHandlerBorderTolerance () const
 Returns the current (zoom level dependent) tolerance to decide if mouse position is close enough to the item border for resizing. More...
 
Q_DECL_DEPRECATED void rotate (double angle, double &x, double &y) const
 Rotates a point / vector. More...
 
bool shouldDrawItem () const
 Returns whether the item should be drawn in the current context. More...
 
Q_DECL_DEPRECATED void sizeChangedByRotation (double &width, double &height, double rotation)
 Calculates width / height of the bounding box of a rotated rectangle. More...
 
Q_DECL_DEPRECATED void sizeChangedByRotation (double &width, double &height)
 Calculates width / height of the bounding box of a rotated rectangle. More...
 
QGraphicsLineItemvAlignSnapItem ()
 Return vertical align snap item. More...
 
- Protected Member Functions inherited from QgsComposerObject
bool dataDefinedEvaluate (const QgsComposerObject::DataDefinedProperty property, QVariant &expressionValue, const QgsExpressionContext &context=QgsExpressionContext()) const
 Evaluate a data defined property and return the calculated value. More...
 
- Protected Member Functions inherited from QObject
bool checkConnectArgs (const char *signal, const QObject *object, const char *method)
 
virtual void childEvent (QChildEvent *event)
 
virtual void connectNotify (const char *signal)
 
virtual void customEvent (QEvent *event)
 
virtual void disconnectNotify (const char *signal)
 
int receivers (const char *signal) const
 
QObjectsender () const
 
int senderSignalIndex () const
 
virtual void timerEvent (QTimerEvent *event)
 
- 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)
 
- Static Protected Member Functions inherited from QObject
QByteArray normalizeSignalSlot (const char *signalSlot)
 
- Protected Attributes inherited from QgsComposerItem
bool mBackground
 True if item background needs to be painted. More...
 
QColor mBackgroundColor
 Background color. More...
 
QPainter::CompositionMode mBlendMode
 Composition blend mode for item. More...
 
QGraphicsRectItemmBoundingResizeRectangle
 Rectangle used during move and resize actions. More...
 
int mCurrentExportLayer
 The layer that needs to be exported. More...
 
QgsComposerItem::MouseMoveAction mCurrentMouseMoveAction
 
QgsComposerEffectmEffect
 
bool mEffectsEnabled
 
bool mEvaluatedExcludeFromExports
 Temporary evaluated item exclusion. More...
 
double mEvaluatedItemRotation
 Temporary evaluated item rotation in degrees, clockwise. More...
 
bool mExcludeFromExports
 Whether item should be excluded in exports. More...
 
bool mFrame
 True if item fram needs to be painted. More...
 
Qt::PenJoinStyle mFrameJoinStyle
 Frame join style. More...
 
QGraphicsLineItemmHAlignSnapItem
 
bool mIsGroupMember
 Whether or not this item is part of a group. More...
 
bool mItemPositionLocked
 True if item position and size cannot be changed with mouse move. More...
 
double mItemRotation
 Item rotation in degrees, clockwise. More...
 
QPointF mLastMouseEventPos
 Position of the last mouse move event (in scene coordinates) More...
 
ItemPositionMode mLastUsedPositionMode
 The item's position mode. More...
 
double mLastValidViewScaleFactor
 Backup to restore item appearance if no view scale factor is available. More...
 
QPointF mMouseMoveStartPos
 Start point of the last mouse move action (in scene coordinates) More...
 
bool mRemovedFromComposition
 True if item has been removed from the composition. More...
 
int mTransparency
 Item transparency. More...
 
QGraphicsLineItemmVAlignSnapItem
 
- Protected Attributes inherited from QgsComposerObject
QgsCompositionmComposition
 
QgsObjectCustomProperties mCustomProperties
 Custom properties for object. More...
 
QMap
< QgsComposerObject::DataDefinedProperty,
QString
mDataDefinedNames
 Map of data defined properties for the item to string name to use when exporting item to xml. More...
 
- Properties inherited from QObject
 objectName
 

Detailed Description

A composer class that displays svg files or raster format (jpg, png, ...)

Definition at line 31 of file qgscomposerpicture.h.

Constructor & Destructor Documentation

QgsComposerPicture::QgsComposerPicture ( QgsComposition composition)

Definition at line 40 of file qgscomposerpicture.cpp.

QgsComposerPicture::~QgsComposerPicture ( )

Definition at line 87 of file qgscomposerpicture.cpp.

Member Function Documentation

bool QgsComposerPicture::cornerPointOnRotatedAndScaledRect ( double &  x,
double &  y,
double  width,
double  height 
) const

Calculates corner point after rotation and scaling.

Deprecated:
Use QgsComposerItem::cornerPointOnRotatedAndScaledRect( double& x, double& y, double width, double height, double rotation ) instead

Definition at line 861 of file qgscomposerpicture.cpp.

bool QgsComposerPicture::imageSizeConsideringRotation ( double &  width,
double &  height 
) const

Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation.

Deprecated:
Use bool QgsComposerItem::imageSizeConsideringRotation( double& width, double& height, double rotation ) instead

Definition at line 853 of file qgscomposerpicture.cpp.

Mode QgsComposerPicture::mode ( ) const
inline

Returns the current picture mode (image format).

Returns
picture mode
Note
added in 2.3

Definition at line 225 of file qgscomposerpicture.h.

void QgsComposerPicture::paint ( QPainter painter,
const QStyleOptionGraphicsItem itemStyle,
QWidget pWidget 
)
overridevirtual

Reimplementation of QCanvasItem::paint.

Reimplemented from QGraphicsRectItem.

Definition at line 92 of file qgscomposerpicture.cpp.

ItemPositionMode QgsComposerPicture::pictureAnchor ( ) const
inline

Returns the picture's current anchor, which controls how it is placed within the picture item's frame.

Returns
anchor point for picture
Note
added in 2.3
See also
setPictureAnchor

Definition at line 180 of file qgscomposerpicture.h.

QString QgsComposerPicture::pictureExpression ( ) const

Returns the expression the item is using for the picture source.

This is only used if usePictureExpression() is true.

Returns
expression for the picture item's image path
Note
added in 2.3
See also
setPictureExpression
usePictureExpression
Deprecated:
use QgsComposerObject::dataDefinedProperty( QgsComposerObject::PictureSource ) instead

Definition at line 848 of file qgscomposerpicture.cpp.

QString QgsComposerPicture::pictureFile ( ) const

Returns the path of the source image file.

Data defined picture source may override this value.

Returns
path to the source image
See also
usePictureExpression
setPictureFile
Deprecated:
use picturePath instead

Definition at line 702 of file qgscomposerpicture.cpp.

QString QgsComposerPicture::picturePath ( ) const

Returns the path of the source image.

Data defined picture source may override this value. The path can either be a local path or a remote (http) path.

Returns
path for the source image
See also
usePictureExpression
setPicturePath
Note
added in QGIS 2.5

Definition at line 713 of file qgscomposerpicture.cpp.

double QgsComposerPicture::pictureRotation ( ) const
inline

Returns the rotation used for drawing the picture within the item's frame.

Returns
picture rotation in degrees
Note
added in 2.2
See also
setPictureRotation
rotationMap

Definition at line 130 of file qgscomposerpicture.h.

void QgsComposerPicture::pictureRotationChanged ( double  newRotation)
signal

Is emitted on picture rotation change.

bool QgsComposerPicture::readXML ( const QDomElement itemElem,
const QDomDocument doc 
)
overridevirtual

Sets state from Dom document.

Parameters
itemElemis Dom node corresponding to item tag
docis Dom document

Reimplemented from QgsComposerObject.

Definition at line 747 of file qgscomposerpicture.cpp.

void QgsComposerPicture::recalculateSize ( )

Forces a recalculation of the picture's frame size.

Note
added in 2.3

Definition at line 665 of file qgscomposerpicture.cpp.

void QgsComposerPicture::refreshDataDefinedProperty ( const QgsComposerObject::DataDefinedProperty  property = QgsComposerObject::AllProperties,
const QgsExpressionContext context = 0 
)
overridevirtual

Refreshes a data defined property for the item by reevaluating the property's value and redrawing the item with this new value.

Parameters
propertydata defined property to refresh. If property is set to QgsComposerItem::AllProperties then all data defined properties for the item will be refreshed.
contextexpression context for evaluating data defined expressions
Note
this method was added in version 2.5

Reimplemented from QgsComposerItem.

Definition at line 672 of file qgscomposerpicture.cpp.

void QgsComposerPicture::refreshPicture ( const QgsExpressionContext context = 0)
slot

Recalculates the source image (if using an expression for picture's source) and reloads and redraws the picture.

Parameters
contextexpression context for evaluating data defined picture sources
Note
added in 2.3

Definition at line 296 of file qgscomposerpicture.cpp.

ResizeMode QgsComposerPicture::resizeMode ( ) const
inline

Returns the resize mode used for drawing the picture within the composer item's frame.

Returns
resize mode of picture
Note
added in 2.3
See also
setResizeMode

Definition at line 164 of file qgscomposerpicture.h.

Q_DECL_DEPRECATED double QgsComposerPicture::rotation ( ) const
inline

Returns the rotation used for drawing the picture within the composer item.

Deprecated:
Use pictureRotation() instead

Definition at line 122 of file qgscomposerpicture.h.

int QgsComposerPicture::rotationMap ( ) const

Returns the id of the rotation map.

A value of -1 means map rotation is disabled. If this is set then the picture is rotated by the same amount as the specified map object.

Returns
id of map object
See also
setRotationMap
useRotationMap

Definition at line 825 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setPictureAnchor ( QgsComposerItem::ItemPositionMode  anchor)

Sets the picture's anchor point, which controls how it is placed within the picture item's frame.

Parameters
anchoranchor point for picture
Note
added in 2.3
See also
pictureAnchor

Definition at line 837 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setPictureExpression ( QString  expression)
virtualslot

Sets an expression to use for the picture source.

This expression is only used if usePictureExpression() is true.

Parameters
expressionto use for picture path
Note
added in 2.3
See also
setUsePictureExpression
pictureExpression
Deprecated:
use QgsComposerObject::dataDefinedProperty( QgsComposerObject::PictureSource ) instead

Definition at line 696 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setPictureFile ( const QString path)

Sets the source file of the image (may be svg or a raster format).

Data defined picture source may override this value.

Parameters
pathfull path to the source image
See also
usePictureExpression
pictureFile
Deprecated:
use setPicturePath instead

Definition at line 291 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setPicturePath ( const QString path)

Sets the source path of the image (may be svg or a raster format).

Data defined picture source may override this value. The path can either be a local path or a remote (http) path.

Parameters
pathpath for the source image
See also
usePictureExpression
picturePath
Note
added in QGIS 2.5

Definition at line 707 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setPictureRotation ( double  r)
virtualslot

Sets the picture rotation within the item bounds.

This does not affect the item's frame, only the way the picture is drawn within the item.

Parameters
rrotation in degrees clockwise
See also
pictureRotation
Note
added in 2.2

Definition at line 588 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setResizeMode ( QgsComposerPicture::ResizeMode  mode)
virtualslot

Sets the resize mode used for drawing the picture within the item bounds.

Parameters
modeResizeMode to use for image file
Note
added in 2.3
See also
resizeMode

Definition at line 653 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setRotation ( double  r)
overridevirtualslot

Sets the picture rotation within the item bounds.

This does not affect the item rectangle, only the way the picture is drawn within the item.

Deprecated:
Use setPictureRotation( double rotation ) instead

Definition at line 582 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setRotationMap ( int  composerMapId)

Sets the map object for rotation (by id).

A value of -1 disables the map rotation. If this is set then the picture will be rotated by the same amount as the specified map object. This is useful especially for syncing north arrows with a map item.

Parameters
composerMapIdcomposer map id to sync rotation with
See also
setPictureRotation
rotationMap

Definition at line 624 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setSceneRect ( const QRectF rectangle)
overridevirtual

Sets this items bound in scene coordinates such that 1 item size units corresponds to 1 scene size unit and resizes the svg symbol / image.

Reimplemented from QgsComposerItem.

Definition at line 513 of file qgscomposerpicture.cpp.

void QgsComposerPicture::setUsePictureExpression ( bool  useExpression)
virtualslot

Sets whether the picture should use an expression based image source path.

Parameters
useExpressionset to true to use an expression based image source, set to false to use a single image source path
Note
added in 2.3
See also
usePictureExpression
setPictureFile
setPictureExpression
Deprecated:
use QgsComposerObject::dataDefinedProperty( QgsComposerObject::PictureSource ) instead

Definition at line 690 of file qgscomposerpicture.cpp.

void QgsComposerPicture::sizeChangedByRotation ( double &  width,
double &  height 
)

Calculates width / height of the bounding box of a rotated rectangle.

Deprecated:
Use QgsComposerItem::sizeChangedByRotation( double& width, double& height, double rotation ) instead

Definition at line 869 of file qgscomposerpicture.cpp.

virtual int QgsComposerPicture::type ( ) const
inlineoverridevirtual

Return correct graphics item type.

Reimplemented from QgsComposerItem.

Definition at line 60 of file qgscomposerpicture.h.

Q_DECL_DEPRECATED void QgsComposerPicture::updatePictureExpression ( )
inlineslot

Prepares the picture's source expression after it is altered or the compositions atlas coverage layer changes.

Note
added in 2.3
Deprecated:
no longer required

Definition at line 282 of file qgscomposerpicture.h.

bool QgsComposerPicture::usePictureExpression ( ) const

Returns whether the picture item is using an expression for the image source.

Returns
true if the picture is using an expression for the source, false if it is using a single static file path for the source.
Note
added in 2.3
See also
setUsePictureExpression
pictureFile
pictureExpression
Deprecated:
use QgsComposerObject::dataDefinedProperty( QgsComposerObject::PictureSource ) instead

Definition at line 843 of file qgscomposerpicture.cpp.

bool QgsComposerPicture::useRotationMap ( ) const
inline

True if the picture rotation is matched to a map item.

Returns
true if rotation map is in use
See also
rotationMap
setRotationMap

Definition at line 156 of file qgscomposerpicture.h.

bool QgsComposerPicture::writeXML ( QDomElement elem,
QDomDocument doc 
) const
overridevirtual

Stores state in Dom element.

Parameters
elemis Dom element corresponding to 'Composer' tag
docis Dom document

Reimplemented from QgsComposerObject.

Definition at line 718 of file qgscomposerpicture.cpp.


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