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QgsComposerScaleBar Class Reference

A scale bar item that can be added to a map composition. More...

#include <qgscomposerscalebar.h>

Inheritance diagram for QgsComposerScaleBar:
Inheritance graph
[legend]

Public Types

enum  Alignment { Left = 0, Middle, Right }
 
enum  ScaleBarUnits { MapUnits = 0, Meters, Feet, NauticalMiles }
 
- 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,
  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 invalidateCurrentMap ()
 Sets mCompositionMap to 0 if the map is deleted. More...
 
void updateSegmentSize ()
 
- Public Slots inherited from QgsComposerItem
virtual void refreshDataDefinedProperty (const QgsComposerObject::DataDefinedProperty property=QgsComposerObject::AllProperties)
 Refreshes a data defined property for the item by reevaluating the property's value and redrawing the item with this new value. More...
 
void repaint ()
 
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 refreshDataDefinedProperty (const DataDefinedProperty property=AllProperties)
 Refreshes a data defined property for the item by reevaluating the property's value and redrawing the item with this new value. More...
 
virtual void repaint ()
 Triggers a redraw for the item. More...
 

Public Member Functions

 QgsComposerScaleBar (QgsComposition *composition)
 
 ~QgsComposerScaleBar ()
 
void adjustBoxSize ()
 Sets box size suitable to content. More...
 
Alignment alignment () const
 Left / Middle/ Right. More...
 
void applyDefaultSettings ()
 Apply default settings. More...
 
void applyDefaultSize (ScaleBarUnits u=Meters)
 Apply default size (scale bar 1/5 of map item width) More...
 
double boxContentSpace () const
 
QBrush brush () const
 Returns the primary brush for the scalebar. More...
 
QBrush brush2 () const
 Returns the secondary brush for the scalebar. More...
 
const QgsComposerMapcomposerMap () const
 
void correctXPositionAlignment (double width, double widthAfter)
 Moves scalebar position to the left / right depending on alignment and change in item width. More...
 
QString firstLabelString () const
 Returns string of first label (important for drawing, labeling, size calculation. More...
 
QFont font () const
 
QColor fontColor () const
 Returns the color used for drawing text in the scalebar. More...
 
double height () const
 
double labelBarSpace () const
 
Qt::PenCapStyle lineCapStyle () const
 Returns the cap style used for drawing lines in the scalebar. More...
 
Qt::PenJoinStyle lineJoinStyle () const
 Returns the join style used for drawing lines in the scalebar. More...
 
double numMapUnitsPerScaleBarUnit () const
 
int numSegments () const
 
int numSegmentsLeft () const
 
double numUnitsPerSegment () const
 
void paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget)
 Reimplementation of QCanvasItem::paint. More...
 
QPen pen () const
 Returns the pen used for drawing the scalebar. More...
 
bool readXML (const QDomElement &itemElem, const QDomDocument &doc)
 sets state from Dom document More...
 
double segmentMillimeters () const
 
void segmentPositions (QList< QPair< double, double > > &posWidthList) const
 Returns the x - positions of the segment borders (in item coordinates) and the width of the segment. More...
 
void setAlignment (Alignment a)
 
void setBoxContentSpace (double space)
 
void setBrush (const QBrush &brush)
 Sets primary brush for the scalebar. More...
 
void setBrush2 (const QBrush &brush)
 Sets secondary brush for the scalebar. More...
 
void setComposerMap (const QgsComposerMap *map)
 
void setFont (const QFont &font)
 
void setFontColor (const QColor &c)
 Sets the color used for drawing text in the scalebar. More...
 
void setHeight (double h)
 
void setLabelBarSpace (double space)
 
void setLineCapStyle (Qt::PenCapStyle style)
 Sets cap style used when drawing the lines in the scalebar. More...
 
void setLineJoinStyle (Qt::PenJoinStyle style)
 Sets join style used when drawing the lines in the scalebar. More...
 
void setNumMapUnitsPerScaleBarUnit (double d)
 
void setNumSegments (int nSegments)
 
void setNumSegmentsLeft (int nSegmentsLeft)
 
void setNumUnitsPerSegment (double units)
 
void setPen (const QPen &pen)
 Sets the pen used for drawing the scalebar. More...
 
void setSceneRect (const QRectF &rectangle)
 Sets this items bound in scene coordinates such that 1 item size units corresponds to 1 scene size unit. More...
 
void setStyle (const QString &styleName)
 Sets style by name. More...
 
void setUnitLabeling (const QString &label)
 
void setUnits (ScaleBarUnits u)
 
QString style () const
 Returns style name. More...
 
virtual int type () const
 return correct graphics item type. More...
 
QString unitLabeling () const
 
ScaleBarUnits units () const
 
void update ()
 Adjusts box size and calls QgsComposerItem::update() More...
 
bool writeXML (QDomElement &elem, QDomDocument &doc) const
 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 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 ()
 
QgsDataDefineddataDefinedProperty (const DataDefinedProperty property) const
 Returns a reference to the data defined settings for one of the item's data defined properties. 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...
 

Protected Member Functions

double mapWidth () const
 Returns diagonal of composer map in selected units (map units / meters / feet / nautical miles) More...
 
void refreshSegmentMillimeters ()
 Calculates with of a segment in mm and stores it in mSegmentMillimeters. More...
 
- 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)
 Evaluates an item's bounding rect to consider data defined position and size of item and reference point. More...
 
QGraphicsLineItem * hAlignSnapItem ()
 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...
 
QGraphicsLineItem * vAlignSnapItem ()
 Return vertical align snap item. More...
 
- Protected Member Functions inherited from QgsComposerObject
bool dataDefinedEvaluate (const QgsComposerObject::DataDefinedProperty property, QVariant &expressionValue)
 Evaluate a data defined property and return the calculated value. More...
 

Protected Attributes

Alignment mAlignment
 
double mBoxContentSpace
 Space between content and item box. More...
 
QBrush mBrush
 Fill. More...
 
QBrush mBrush2
 Secondary fill. More...
 
const QgsComposerMapmComposerMap
 Reference to composer map object. More...
 
QFont mFont
 Font. More...
 
QColor mFontColor
 
double mHeight
 Height of bars/lines. More...
 
double mLabelBarSpace
 Space between bar and Text labels. More...
 
Qt::PenCapStyle mLineCapStyle
 
Qt::PenJoinStyle mLineJoinStyle
 
double mNumMapUnitsPerScaleBarUnit
 Number of map units per scale bar units (e.g. More...
 
int mNumSegments
 Number of segments on right side. More...
 
int mNumSegmentsLeft
 Number of segments on left side. More...
 
double mNumUnitsPerSegment
 Size of a segment (in map units) More...
 
QPen mPen
 Outline. More...
 
double mSegmentMillimeters
 Width of a segment (in mm) More...
 
QgsScaleBarStylemStyle
 Scalebar style. More...
 
QString mUnitLabeling
 Labeling of map units. More...
 
ScaleBarUnits mUnits
 
- 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...
 
QGraphicsRectItem * mBoundingResizeRectangle
 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...
 
QGraphicsLineItem * mHAlignSnapItem
 
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...
 
QGraphicsLineItem * mVAlignSnapItem
 
- Protected Attributes inherited from QgsComposerObject
QgsCompositionmComposition
 
QMap
< QgsComposerObject::DataDefinedProperty,
QString > 
mDataDefinedNames
 Map of data defined properties for the item to string name to use when exporting item to xml. More...
 

Additional Inherited Members

- 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...
 

Detailed Description

A scale bar item that can be added to a map composition.

Definition at line 30 of file qgscomposerscalebar.h.

Constructor & Destructor Documentation

QgsComposerScaleBar::QgsComposerScaleBar ( QgsComposition composition)

Definition at line 38 of file qgscomposerscalebar.cpp.

QgsComposerScaleBar::~QgsComposerScaleBar ( )

Definition at line 54 of file qgscomposerscalebar.cpp.

Member Function Documentation

void QgsComposerScaleBar::adjustBoxSize ( )

Sets box size suitable to content.

Definition at line 382 of file qgscomposerscalebar.cpp.

Alignment QgsComposerScaleBar::alignment ( void  ) const
inline

Left / Middle/ Right.

Definition at line 154 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::applyDefaultSettings ( )

Apply default settings.

Definition at line 265 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::applyDefaultSize ( QgsComposerScaleBar::ScaleBarUnits  u = Meters)

Apply default size (scale bar 1/5 of map item width)

Definition at line 307 of file qgscomposerscalebar.cpp.

double QgsComposerScaleBar::boxContentSpace ( ) const
inline

Definition at line 148 of file qgscomposerscalebar.h.

QBrush QgsComposerScaleBar::brush ( ) const
inline

Returns the primary brush for the scalebar.

Returns
QBrush used for filling the scalebar
See also
setBrush
brush2
pen

Definition at line 113 of file qgscomposerscalebar.h.

QBrush QgsComposerScaleBar::brush2 ( ) const
inline

Returns the secondary brush for the scalebar.

This is used for alternating color style scalebars, such as single and double box styles.

Returns
QBrush used for secondary color areas
See also
setBrush2
brush

Definition at line 129 of file qgscomposerscalebar.h.

const QgsComposerMap* QgsComposerScaleBar::composerMap ( ) const
inline

Definition at line 143 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::correctXPositionAlignment ( double  width,
double  widthAfter 
)

Moves scalebar position to the left / right depending on alignment and change in item width.

Definition at line 791 of file qgscomposerscalebar.cpp.

QString QgsComposerScaleBar::firstLabelString ( ) const

Returns string of first label (important for drawing, labeling, size calculation.

Definition at line 533 of file qgscomposerscalebar.cpp.

QFont QgsComposerScaleBar::font ( ) const

Definition at line 545 of file qgscomposerscalebar.cpp.

QColor QgsComposerScaleBar::fontColor ( ) const
inline

Returns the color used for drawing text in the scalebar.

Returns
font color for scalebar.
See also
setFontColor
font

Definition at line 84 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::height ( ) const
inline

Definition at line 139 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::invalidateCurrentMap ( )
slot

Sets mCompositionMap to 0 if the map is deleted.

Definition at line 166 of file qgscomposerscalebar.cpp.

double QgsComposerScaleBar::labelBarSpace ( ) const
inline

Definition at line 145 of file qgscomposerscalebar.h.

Qt::PenCapStyle QgsComposerScaleBar::lineCapStyle ( ) const
inline

Returns the cap style used for drawing lines in the scalebar.

Returns
Cap style for lines
Note
introduced in 2.3
See also
setLineCapStyle

Definition at line 181 of file qgscomposerscalebar.h.

Qt::PenJoinStyle QgsComposerScaleBar::lineJoinStyle ( ) const
inline

Returns the join style used for drawing lines in the scalebar.

Returns
Join style for lines
Note
introduced in 2.3
See also
setLineJoinStyle

Definition at line 167 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mapWidth ( ) const
protected

Returns diagonal of composer map in selected units (map units / meters / feet / nautical miles)

Definition at line 193 of file qgscomposerscalebar.cpp.

double QgsComposerScaleBar::numMapUnitsPerScaleBarUnit ( ) const
inline

Definition at line 70 of file qgscomposerscalebar.h.

int QgsComposerScaleBar::numSegments ( ) const
inline

Definition at line 61 of file qgscomposerscalebar.h.

int QgsComposerScaleBar::numSegmentsLeft ( ) const
inline

Definition at line 64 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::numUnitsPerSegment ( ) const
inline

Definition at line 67 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::paint ( QPainter *  painter,
const QStyleOptionGraphicsItem *  itemStyle,
QWidget *  pWidget 
)

Reimplementation of QCanvasItem::paint.

Definition at line 59 of file qgscomposerscalebar.cpp.

QPen QgsComposerScaleBar::pen ( ) const
inline

Returns the pen used for drawing the scalebar.

Returns
QPen used for drawing the scalebar outlines.
See also
setPen
brush

Definition at line 98 of file qgscomposerscalebar.h.

bool QgsComposerScaleBar::readXML ( const QDomElement &  itemElem,
const QDomDocument &  doc 
)
virtual

sets state from Dom document

Parameters
itemElemis Dom node corresponding to item tag
docis Dom document

Reimplemented from QgsComposerObject.

Definition at line 636 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::refreshSegmentMillimeters ( )
protected

Calculates with of a segment in mm and stores it in mSegmentMillimeters.

Definition at line 178 of file qgscomposerscalebar.cpp.

double QgsComposerScaleBar::segmentMillimeters ( ) const
inline

Definition at line 151 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::segmentPositions ( QList< QPair< double, double > > &  posWidthList) const

Returns the x - positions of the segment borders (in item coordinates) and the width of the segment.

Note
python bindings not available on android

Definition at line 462 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setAlignment ( Alignment  a)

Definition at line 225 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setBoxContentSpace ( double  space)

Definition at line 131 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setBrush ( const QBrush &  brush)
inline

Sets primary brush for the scalebar.

Parameters
brushQBrush to use for filling the scalebar
See also
brush
setBrush2
setPen

Definition at line 121 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setBrush2 ( const QBrush &  brush)
inline

Sets secondary brush for the scalebar.

This is used for alternating color style scalebars, such as single and double box styles.

Parameters
brushQBrush to use for secondary color areas
See also
brush2
setBrush

Definition at line 137 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setComposerMap ( const QgsComposerMap map)

Definition at line 145 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setFont ( const QFont &  font)

Definition at line 550 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setFontColor ( const QColor &  c)
inline

Sets the color used for drawing text in the scalebar.

Parameters
cfont color for scalebar.
See also
fontColor
setFont

Definition at line 91 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setHeight ( double  h)
inline

Definition at line 140 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setLabelBarSpace ( double  space)
inline

Definition at line 146 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setLineCapStyle ( Qt::PenCapStyle  style)

Sets cap style used when drawing the lines in the scalebar.

Parameters
styleCap style for lines
Returns
nothing
Note
introduced in 2.3
See also
lineCapStyle

Definition at line 252 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setLineJoinStyle ( Qt::PenJoinStyle  style)

Sets join style used when drawing the lines in the scalebar.

Parameters
styleJoin style for lines
Returns
nothing
Note
introduced in 2.3
See also
lineJoinStyle

Definition at line 239 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setNumMapUnitsPerScaleBarUnit ( double  d)
inline

Definition at line 71 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setNumSegments ( int  nSegments)

Definition at line 88 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setNumSegmentsLeft ( int  nSegmentsLeft)

Definition at line 117 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setNumUnitsPerSegment ( double  units)

Definition at line 102 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setPen ( const QPen &  pen)
inline

Sets the pen used for drawing the scalebar.

Parameters
penQPen to use for drawing the scalebar outlines.
See also
pen
setBrush

Definition at line 105 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setSceneRect ( const QRectF &  rectangle)
virtual

Sets this items bound in scene coordinates such that 1 item size units corresponds to 1 scene size unit.

Reimplemented from QgsComposerItem.

Definition at line 412 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setStyle ( const QString &  styleName)

Sets style by name.

Parameters
styleName(untranslated) style name. Possibilities are: 'Single Box', 'Double Box', 'Line Ticks Middle', 'Line Ticks Down', 'Line Ticks Up', 'Numeric'

Definition at line 483 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::setUnitLabeling ( const QString &  label)
inline

Definition at line 74 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::setUnits ( ScaleBarUnits  u)

Definition at line 232 of file qgscomposerscalebar.cpp.

QString QgsComposerScaleBar::style ( ) const

Returns style name.

Definition at line 521 of file qgscomposerscalebar.cpp.

virtual int QgsComposerScaleBar::type ( ) const
inlinevirtual

return correct graphics item type.

Reimplemented from QgsComposerItem.

Definition at line 55 of file qgscomposerscalebar.h.

QString QgsComposerScaleBar::unitLabeling ( ) const
inline

Definition at line 73 of file qgscomposerscalebar.h.

ScaleBarUnits QgsComposerScaleBar::units ( ) const
inline

Definition at line 158 of file qgscomposerscalebar.h.

void QgsComposerScaleBar::update ( )

Adjusts box size and calls QgsComposerItem::update()

Definition at line 438 of file qgscomposerscalebar.cpp.

void QgsComposerScaleBar::updateSegmentSize ( )
slot

Definition at line 448 of file qgscomposerscalebar.cpp.

bool QgsComposerScaleBar::writeXML ( QDomElement &  elem,
QDomDocument &  doc 
) const
virtual

stores state in Dom element

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

Reimplemented from QgsComposerObject.

Definition at line 557 of file qgscomposerscalebar.cpp.

Member Data Documentation

Alignment QgsComposerScaleBar::mAlignment
protected

Definition at line 278 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mBoxContentSpace
protected

Space between content and item box.

Definition at line 273 of file qgscomposerscalebar.h.

QBrush QgsComposerScaleBar::mBrush
protected

Fill.

Definition at line 261 of file qgscomposerscalebar.h.

QBrush QgsComposerScaleBar::mBrush2
protected

Secondary fill.

Definition at line 263 of file qgscomposerscalebar.h.

const QgsComposerMap* QgsComposerScaleBar::mComposerMap
protected

Reference to composer map object.

Definition at line 243 of file qgscomposerscalebar.h.

QFont QgsComposerScaleBar::mFont
protected

Font.

Definition at line 256 of file qgscomposerscalebar.h.

QColor QgsComposerScaleBar::mFontColor
protected

Definition at line 257 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mHeight
protected

Height of bars/lines.

Definition at line 265 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mLabelBarSpace
protected

Space between bar and Text labels.

Definition at line 270 of file qgscomposerscalebar.h.

Qt::PenCapStyle QgsComposerScaleBar::mLineCapStyle
protected

Definition at line 283 of file qgscomposerscalebar.h.

Qt::PenJoinStyle QgsComposerScaleBar::mLineJoinStyle
protected

Definition at line 282 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mNumMapUnitsPerScaleBarUnit
protected

Number of map units per scale bar units (e.g.

1000 to have km for a map with m units)

Definition at line 251 of file qgscomposerscalebar.h.

int QgsComposerScaleBar::mNumSegments
protected

Number of segments on right side.

Definition at line 245 of file qgscomposerscalebar.h.

int QgsComposerScaleBar::mNumSegmentsLeft
protected

Number of segments on left side.

Definition at line 247 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mNumUnitsPerSegment
protected

Size of a segment (in map units)

Definition at line 249 of file qgscomposerscalebar.h.

QPen QgsComposerScaleBar::mPen
protected

Outline.

Definition at line 259 of file qgscomposerscalebar.h.

double QgsComposerScaleBar::mSegmentMillimeters
protected

Width of a segment (in mm)

Definition at line 276 of file qgscomposerscalebar.h.

QgsScaleBarStyle* QgsComposerScaleBar::mStyle
protected

Scalebar style.

Definition at line 267 of file qgscomposerscalebar.h.

QString QgsComposerScaleBar::mUnitLabeling
protected

Labeling of map units.

Definition at line 254 of file qgscomposerscalebar.h.

ScaleBarUnits QgsComposerScaleBar::mUnits
protected

Definition at line 280 of file qgscomposerscalebar.h.


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