Object representing map window. More...

#include <qgscomposermap.h>

Inheritance diagram for QgsComposerMap:

Public Types
enum	PreviewMode { Cache = 0, Render, Rectangle }
	Preview style. More...
enum	GridStyle { Solid = 0, Cross, Markers, FrameAnnotationsOnly }
enum	GridAnnotationPosition { InsideMapFrame = 0, OutsideMapFrame, Disabled }
enum	GridAnnotationDirection { Horizontal = 0, Vertical, HorizontalAndVertical, BoundaryDirection }
enum	GridAnnotationFormat { Decimal = 0, DegreeMinute, DegreeMinuteSecond, DecimalWithSuffix, DegreeMinuteNoSuffix, DegreeMinutePadded, DegreeMinuteSecondNoSuffix, DegreeMinuteSecondPadded }
enum	GridFrameStyle { NoGridFrame = 0, Zebra, InteriorTicks, ExteriorTicks, InteriorExteriorTicks, LineBorder }
enum	Border { Left, Right, Bottom, Top }
	Enum for different frame borders. More...
enum	AtlasScalingMode { Fixed, Predefined, Auto }
	Scaling modes used for the serial rendering (atlas) More...
Public Types inherited from QgsComposerItem
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	ItemPositionMode { UpperLeft, UpperMiddle, UpperRight, MiddleLeft, Middle, MiddleRight, LowerLeft, LowerMiddle, LowerRight }
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	updateCachedImage ()
	Called if map canvas has changed.
void	renderModeUpdateCachedImage ()
	Call updateCachedImage if item is in render mode.
void	updateBoundingRect ()
	Updates the bounding rect of this item.
void	overviewExtentChanged ()
virtual void	refreshDataDefinedProperty (const QgsComposerObject::DataDefinedProperty property=QgsComposerObject::AllProperties)
Public Slots inherited from QgsComposerItem
virtual void	setItemRotation (const double r, const bool adjustPosition=false)
	Sets the item rotation.
void	repaint ()
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.
Public Slots inherited from QgsComposerObject
virtual void	repaint ()
	Triggers a redraw for the item.
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.

Signals
void	extentChanged ()
void	mapRotationChanged (double newRotation)
	Is emitted on rotation change to notify north arrow pictures.
void	preparedForAtlas ()
	Is emitted when the map has been prepared for atlas rendering, just before actual rendering.
Signals inherited from QgsComposerItem
void	itemRotationChanged (double newRotation)
	Is emitted on item rotation change.
void	sizeChanged ()
	Emitted if the rectangle changes.
void	frameChanged ()
	Emitted if the item's frame style changes.
void	lockChanged ()
	Emitted if the item's lock status changes.
Signals inherited from QgsComposerObject
void	itemChanged ()
	Emitted when the item changes.

Public Member Functions
	QgsComposerMap (QgsComposition *composition, int x, int y, int width, int height)
	Constructor.
	QgsComposerMap (QgsComposition *composition)
	Constructor.
virtual	~QgsComposerMap ()
virtual int	type () const
	return correct graphics item type.
void	draw (QPainter painter, const QgsRectangle &extent, const QSizeF &size, double dpi, double forceWidthScale=0)
	Draw to paint device.
void	paint (QPainter painter, const QStyleOptionGraphicsItem itemStyle, QWidget *pWidget)
	Reimplementation of QCanvasItem::paint - draw on canvas.
void	cache ()
	Create cache image.
QgsMapSettings	mapSettings (const QgsRectangle &extent, const QSizeF &size, int dpi) const
	Return map settings that would be used for drawing of the map.
int	id () const
	Get identification number.
bool	isDrawing () const
	True if a draw is already in progress.
void	resize (double dx, double dy)
	resizes an item in x- and y direction (canvas coordinates)
void	moveContent (double dx, double dy)
	Move content of map.
Q_DECL_DEPRECATED void	zoomContent (int delta, double x, double y)
	Zoom content of map.
virtual void	zoomContent (const double factor, const QPointF point, const ZoomMode mode=QgsComposerItem::Zoom)
	Zoom content of item.
void	setSceneRect (const QRectF &rectangle)
	Sets new scene rectangle bounds and recalculates hight and extent.
double	scale () const
	Scale.
void	setNewScale (double scaleDenominator, bool forceUpdate=true)
	Sets new scale and changes only mExtent.
void	setNewExtent (const QgsRectangle &extent)
	Sets new extent for the map.
void	zoomToExtent (const QgsRectangle &extent)
	Zooms the map so that the specified extent is fully visible within the map item.
void	setNewAtlasFeatureExtent (const QgsRectangle &extent)
	Sets new Extent for the current atlas preview and changes width, height (and implicitely also scale).
Q_DECL_DEPRECATED void	toggleAtlasPreview ()
	Called when atlas preview is toggled, to force map item to update its extent and redraw.
QgsRectangle *	currentMapExtent ()
	Returns a pointer to the current map extent, which is either the original user specified extent or the temporary atlas-driven feature extent depending on the current atlas state of the composition.
const QgsRectangle *	currentMapExtent () const
PreviewMode	previewMode () const
void	setPreviewMode (PreviewMode m)
bool	keepLayerSet () const
	Getter for flag that determines if the stored layer set should be used or the current layer set of the qgis mapcanvas.
void	setKeepLayerSet (bool enabled)
	Setter for flag that determines if the stored layer set should be used or the current layer set of the qgis mapcanvas.
QStringList	layerSet () const
	Getter for stored layer set that is used if mKeepLayerSet is true.
void	setLayerSet (const QStringList &layerSet)
	Setter for stored layer set that is used if mKeepLayerSet is true.
void	storeCurrentLayerSet ()
	Stores the current layer set of the qgis mapcanvas in mLayerSet.
void	setCacheUpdated (bool u=false)
QgsRectangle	extent () const
Q_DECL_DEPRECATED const QgsMapRenderer *	mapRenderer () const
void	setOffset (double xOffset, double yOffset)
	Sets offset values to shift image (useful for live updates when moving item content)
bool	containsWMSLayer () const
	True if composer map renders a WMS layer.
bool	containsAdvancedEffects () const
	True if composer map contains layers with blend modes or flattened layers for vectors.
bool	writeXML (QDomElement &elem, QDomDocument &doc) const
	stores state in Dom node
bool	readXML (const QDomElement &itemElem, const QDomDocument &doc)
	sets state from Dom document
Q_DECL_DEPRECATED void	setGridEnabled (bool enabled)
	Enables a coordinate grid that is shown on top of this composermap.
Q_DECL_DEPRECATED bool	gridEnabled () const
Q_DECL_DEPRECATED void	setGridStyle (GridStyle style)
	Sets coordinate grid style to solid or cross.
Q_DECL_DEPRECATED GridStyle	gridStyle () const
Q_DECL_DEPRECATED void	setGridIntervalX (double interval)
	Sets coordinate interval in x-direction for composergrid.
Q_DECL_DEPRECATED double	gridIntervalX () const
Q_DECL_DEPRECATED void	setGridIntervalY (double interval)
	Sets coordinate interval in y-direction for composergrid.
Q_DECL_DEPRECATED double	gridIntervalY () const
Q_DECL_DEPRECATED void	setGridOffsetX (double offset)
	Sets x-coordinate offset for composer grid.
Q_DECL_DEPRECATED double	gridOffsetX () const
Q_DECL_DEPRECATED void	setGridOffsetY (double offset)
	Sets y-coordinate offset for composer grid.
Q_DECL_DEPRECATED double	gridOffsetY () const
Q_DECL_DEPRECATED void	setGridPen (const QPen &p)
	Sets the pen to draw composer grid.
Q_DECL_DEPRECATED QPen	gridPen () const
Q_DECL_DEPRECATED void	setGridPenWidth (double w)
	Sets width of grid pen.
Q_DECL_DEPRECATED void	setGridPenColor (const QColor &c)
	Sets the color of the grid pen.
Q_DECL_DEPRECATED void	setGridAnnotationFont (const QFont &f)
	Sets font for grid annotations.
Q_DECL_DEPRECATED QFont	gridAnnotationFont () const
Q_DECL_DEPRECATED void	setAnnotationFontColor (const QColor &c)
	Sets font color for grid annotations.
Q_DECL_DEPRECATED QColor	annotationFontColor () const
	Get font color for grid annotations.
Q_DECL_DEPRECATED void	setGridAnnotationPrecision (int p)
	Sets coordinate precision for grid annotations.
Q_DECL_DEPRECATED int	gridAnnotationPrecision () const
Q_DECL_DEPRECATED void	setShowGridAnnotation (bool show)
	Sets flag if grid annotation should be shown.
Q_DECL_DEPRECATED bool	showGridAnnotation () const
Q_DECL_DEPRECATED void	setGridAnnotationPosition (GridAnnotationPosition p, QgsComposerMap::Border border)
Q_DECL_DEPRECATED GridAnnotationPosition	gridAnnotationPosition (QgsComposerMap::Border border) const
Q_DECL_DEPRECATED void	setAnnotationFrameDistance (double d)
	Sets distance between map frame and annotations.
Q_DECL_DEPRECATED double	annotationFrameDistance () const
Q_DECL_DEPRECATED void	setGridAnnotationDirection (GridAnnotationDirection d, QgsComposerMap::Border border)
Q_DECL_DEPRECATED GridAnnotationDirection	gridAnnotationDirection (QgsComposerMap::Border border) const
Q_DECL_DEPRECATED void	setGridAnnotationFormat (GridAnnotationFormat f)
Q_DECL_DEPRECATED GridAnnotationFormat	gridAnnotationFormat () const
Q_DECL_DEPRECATED void	setGridFrameStyle (GridFrameStyle style)
	Set grid frame style (NoGridFrame or Zebra)
Q_DECL_DEPRECATED GridFrameStyle	gridFrameStyle () const
Q_DECL_DEPRECATED void	setGridFrameWidth (double w)
	Set grid frame width.
Q_DECL_DEPRECATED double	gridFrameWidth () const
Q_DECL_DEPRECATED void	setGridFramePenSize (double w)
	Set grid frame pen thickness.
Q_DECL_DEPRECATED double	gridFramePenSize () const
Q_DECL_DEPRECATED void	setGridFramePenColor (const QColor &c)
	Sets pen color for grid frame.
Q_DECL_DEPRECATED QColor	gridFramePenColor () const
	Get pen color for grid frame.
Q_DECL_DEPRECATED void	setGridFrameFillColor1 (const QColor &c)
	Sets first fill color for grid zebra frame.
Q_DECL_DEPRECATED QColor	gridFrameFillColor1 () const
	Get first fill color for grid zebra frame.
Q_DECL_DEPRECATED void	setGridFrameFillColor2 (const QColor &c)
	Sets second fill color for grid zebra frame.
Q_DECL_DEPRECATED QColor	gridFrameFillColor2 () const
	Get second fill color for grid zebra frame.
Q_DECL_DEPRECATED void	setCrossLength (double l)
	Sets length of the cross segments (if grid style is cross)
Q_DECL_DEPRECATED double	crossLength ()
Q_DECL_DEPRECATED void	setGridLineSymbol (QgsLineSymbolV2 *symbol)
Q_DECL_DEPRECATED QgsLineSymbolV2 *	gridLineSymbol ()
Q_DECL_DEPRECATED QPainter::CompositionMode	gridBlendMode () const
	Returns the grid's blending mode.
Q_DECL_DEPRECATED void	setGridBlendMode (QPainter::CompositionMode blendMode)
	Sets the grid's blending mode.
QgsComposerMapGridStack *	grids ()
	Returns the map item's grid stack, which is used to control how grids are drawn over the map's contents.
QgsComposerMapGrid *	grid ()
	Returns the map item's first grid.
QgsComposerMapOverviewStack *	overviews ()
	Returns the map item's overview stack, which is used to control how overviews are drawn over the map's contents.
QgsComposerMapOverview *	overview ()
	Returns the map item's first overview.
QRectF	boundingRect () const
	In case of annotations, the bounding rectangle can be larger than the map item rectangle.
virtual void	setFrameOutlineWidth (const double outlineWidth)
	Sets frame outline width.
Q_DECL_DEPRECATED void	setRotation (double r)
	Sets rotation for the map - this does not affect the composer item shape, only the way the map is drawn within the item.
Q_DECL_DEPRECATED double	rotation () const
	Returns the rotation used for drawing the map within the composer item.
void	setMapRotation (double r)
	Sets rotation for the map - this does not affect the composer item shape, only the way the map is drawn within the item.
double	mapRotation (QgsComposerObject::PropertyValueType valueType=QgsComposerObject::EvaluatedValue) const
	Returns the rotation used for drawing the map within the composer item.
void	updateItem ()
	Updates item, with the possibility to do custom update for subclasses.
void	setMapCanvas (QGraphicsView *canvas)
	Sets canvas pointer (necessary to query and draw map canvas items)
void	setDrawCanvasItems (bool b)
bool	drawCanvasItems () const
double	mapUnitsToMM () const
	Returns the conversion factor map units -> mm.
Q_DECL_DEPRECATED void	setOverviewFrameMap (int mapId)
	Sets overview frame map.
Q_DECL_DEPRECATED int	overviewFrameMapId () const
	Returns id of overview frame (or -1 if no overfiew frame)
Q_DECL_DEPRECATED void	setOverviewFrameMapSymbol (QgsFillSymbolV2 *symbol)
Q_DECL_DEPRECATED QgsFillSymbolV2 *	overviewFrameMapSymbol ()
Q_DECL_DEPRECATED QPainter::CompositionMode	overviewBlendMode () const
	Returns the overview's blending mode.
Q_DECL_DEPRECATED void	setOverviewBlendMode (QPainter::CompositionMode blendMode)
	Sets the overview's blending mode.
Q_DECL_DEPRECATED bool	overviewInverted () const
	Returns true if the overview frame is inverted.
Q_DECL_DEPRECATED void	setOverviewInverted (bool inverted)
	Sets the overview's inversion mode.
Q_DECL_DEPRECATED bool	overviewCentered () const
	Returns true if the extent is forced to center on the overview.
Q_DECL_DEPRECATED void	setOverviewCentered (bool centered)
	Set the overview's centering mode.
void	assignFreeId ()
	Sets mId to a number not yet used in the composition.
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.
Q_DECL_DEPRECATED bool	cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height) const
	Calculates corner point after rotation and scaling.
Q_DECL_DEPRECATED void	sizeChangedByRotation (double &width, double &height)
	Calculates width / height of the bounding box of a rotated rectangle.
bool	atlasDriven () const
	Returns whether the map extent is set to follow the current atlas feature.
void	setAtlasDriven (bool enabled)
	Sets whether the map extent will follow the current atlas feature.
Q_DECL_DEPRECATED bool	atlasFixedScale () const
	Returns true if the map uses a fixed scale when in atlas mode.
Q_DECL_DEPRECATED void	setAtlasFixedScale (bool fixed)
	Set to true if the map should use a fixed scale when in atlas mode.
AtlasScalingMode	atlasScalingMode () const
	Returns the current atlas scaling mode.
void	setAtlasScalingMode (AtlasScalingMode mode)
	Sets the current atlas scaling mode.
double	atlasMargin (const QgsComposerObject::PropertyValueType valueType=QgsComposerObject::EvaluatedValue)
	Returns the margin size (percentage) used when the map is in atlas mode.
void	setAtlasMargin (double margin)
	Sets the margin size (percentage) used when the map is in atlas mode.
void	setUpdatesEnabled (bool enabled)
	Sets whether updates to the composer map are enabled.
bool	updatesEnabled () const
	Returns whether updates to the composer map are enabled.
int	numberExportLayers () const
	Get the number of layers that this item requires for exporting as layers.
QPolygonF	visibleExtentPolygon () const
	Returns a polygon representing the current visible map extent, considering map extents and rotation.
virtual QString	displayName () const
	Get item display name.
QPolygonF	transformedMapPolygon () const
	Returns extent that considers rotation and shift with mOffsetX / mOffsetY.
QPointF	mapToItemCoords (const QPointF &mapCoords) const
	Transforms map coordinates to item coordinates (considering rotation and move offset)
Q_DECL_DEPRECATED void	connectMapOverviewSignals ()
void	requestedExtent (QgsRectangle &extent) const
	Calculates the extent to request and the yShift of the top-left point in case of rotation.
Public Member Functions inherited from QgsComposerItem
	QgsComposerItem (QgsComposition *composition, bool manageZValue=true)
	Constructor.
	QgsComposerItem (qreal x, qreal y, qreal width, qreal height, QgsComposition *composition, bool manageZValue=true)
	Constructor with box position and composer object.
virtual	~QgsComposerItem ()
virtual bool	isRemoved () const
	Returns whether this item has been removed from the composition.
void	setIsRemoved (const bool removed)
	Sets whether this item has been removed from the composition.
virtual void	setSelected (bool s)
	Set selected, selected item should be highlighted.
virtual bool	selected () const
	Is selected.
void	move (double dx, double dy)
	Moves item in canvas coordinates.
int	page () const
	Gets the page the item is currently on.
QPointF	pagePos () const
	Returns the item's position relative to its current page.
void	updatePagePos (double newPageWidth, double newPageHeight)
	Moves the item so that it retains its relative position on the page when the paper size changes.
void	setItemPosition (double x, double y, ItemPositionMode itemPoint=UpperLeft, int page=-1)
	Moves the item to a new position (in canvas coordinates)
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.
ItemPositionMode	lastUsedPositionMode ()
	Returns item's last used position mode.
bool	_writeXML (QDomElement &itemElem, QDomDocument &doc) const
	Writes parameter that are not subclass specific in document.
bool	_readXML (const QDomElement &itemElem, const QDomDocument &doc)
	Reads parameter that are not subclass specific in document.
bool	hasFrame () const
	Whether this item has a frame or not.
void	setFrameEnabled (const bool drawFrame)
	Set whether this item has a frame drawn around it or not.
virtual void	setFrameOutlineColor (const QColor &color)
	Sets frame outline color.
QColor	frameOutlineColor () const
	Returns the frame's outline color.
double	frameOutlineWidth () const
	Returns the frame's outline width.
Qt::PenJoinStyle	frameJoinStyle () const
	Returns the join style used for drawing the item's frame.
void	setFrameJoinStyle (const Qt::PenJoinStyle style)
	Sets join style used when drawing the item's frame.
virtual double	estimatedFrameBleed () const
	Returns the estimated amount the item's frame bleeds outside the item's actual rectangle.
virtual QRectF	rectWithFrame () const
	Returns the item's rectangular bounds, including any bleed caused by the item's frame.
bool	hasBackground () const
	Whether this item has a Background or not.
void	setBackgroundEnabled (const bool drawBackground)
	Set whether this item has a Background drawn around it or not.
QColor	backgroundColor () const
	Gets the background color for this item.
void	setBackgroundColor (const QColor &backgroundColor)
	Sets the background color for this item.
QPainter::CompositionMode	blendMode () const
	Returns the item's composition blending mode.
void	setBlendMode (const QPainter::CompositionMode blendMode)
	Sets the item's composition blending mode.
int	transparency () const
	Returns the item's transparency.
void	setTransparency (const int transparency)
	Sets the item's transparency.
bool	effectsEnabled () const
	Returns whether effects (eg blend modes) are enabled for the item.
void	setEffectsEnabled (const bool effectsEnabled)
	Sets whether effects (eg blend modes) are enabled for the item.
virtual void	addItem (QgsComposerItem *item)
	Composite operations for item groups do nothing per default.
virtual void	removeItems ()
virtual void	beginItemCommand (const QString &text)
void	beginCommand (const QString &commandText, QgsComposerMergeCommand::Context c=QgsComposerMergeCommand::Unknown)
	Starts new composer undo command.
virtual void	endItemCommand ()
void	endCommand ()
	Finish current command and push it onto the undo stack.
void	cancelCommand ()
Q_DECL_DEPRECATED void	drawText (QPainter *p, double x, double y, const QString &text, const QFont &font, const QColor &c=QColor()) const
	Draws Text.
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.
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.
Q_DECL_DEPRECATED double	fontHeightCharacterMM (const QFont &font, const QChar &c) const
	Returns the font height of a character in millimeters.
Q_DECL_DEPRECATED double	fontAscentMillimeters (const QFont &font) const
	Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE.
Q_DECL_DEPRECATED double	fontDescentMillimeters (const QFont &font) const
	Returns the font descent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE.
Q_DECL_DEPRECATED double	fontHeightMillimeters (const QFont &font) const
	Returns the font height in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE.
Q_DECL_DEPRECATED double	pixelFontSize (double pointSize) const
	Calculates font size in mm from a font point size.
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.
void	setPositionLock (const bool lock)
	Locks / unlocks the item position for mouse drags.
bool	positionLock () const
	Returns whether position lock for mouse drags is enabled returns true if item is locked for mouse movement and resizing.
double	itemRotation (const QgsComposerObject::PropertyValueType valueType=QgsComposerObject::EvaluatedValue) const
	Returns the current rotation for the composer item.
virtual void	setId (const QString &id)
	Set item's id (which is not necessarly unique)
QString	uuid () const
	Get item identification name.
virtual void	setVisibility (const bool visible)
	Sets visibility for item.
bool	excludeFromExports (const QgsComposerObject::PropertyValueType valueType=QgsComposerObject::EvaluatedValue)
	Returns whether the item should be excluded from composer exports and prints.
virtual void	setExcludeFromExports (const bool exclude)
	Sets whether the item should be excluded from composer exports and prints.
bool	isGroupMember () const
	Returns whether this item is part of a group.
void	setIsGroupMember (const bool isGroupMember)
	Sets whether this item is part of a group.
virtual void	setCurrentExportLayer (const int layerIdx=-1)
	Sets the current layer to draw for exporting.
Public Member Functions inherited from QgsComposerObject
	QgsComposerObject (QgsComposition *composition)
	Constructor.
virtual	~QgsComposerObject ()
const QgsComposition *	composition () const
	Returns the composition the item is attached to.
QgsComposition *	composition ()
QgsDataDefined *	dataDefinedProperty (const DataDefinedProperty property) const
	Returns a reference to the data defined settings for one of the item's data defined properties.
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.

Friends
class	QgsComposerMapOverview

Additional Inherited Members
Protected Member Functions inherited from QgsComposerItem
virtual void	drawSelectionBoxes (QPainter *p)
	Draws additional graphics on selected items.
virtual void	drawFrame (QPainter *p)
	Draw black frame around item.
virtual void	drawBackground (QPainter *p)
	Draw background.
Q_DECL_DEPRECATED void	drawArrowHead (QPainter *p, double x, double y, double angle, double arrowHeadWidth) const
	Draws arrowhead.
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)
double	rectHandlerBorderTolerance () const
	Returns the current (zoom level dependent) tolerance to decide if mouse position is close enough to the item border for resizing.
Q_DECL_DEPRECATED double	lockSymbolSize () const
	Returns the size of the lock symbol depending on the composer zoom level and the item size.
double	horizontalViewScaleFactor () const
	Returns the zoom factor of the graphics view.
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.
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.
Q_DECL_DEPRECATED bool	cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height, double rotation) const
	Calculates corner point after rotation and scaling.
Q_DECL_DEPRECATED void	sizeChangedByRotation (double &width, double &height, double rotation)
	Calculates width / height of the bounding box of a rotated rectangle.
Q_DECL_DEPRECATED void	rotate (double angle, double &x, double &y) const
	Rotates a point / vector.
QGraphicsLineItem *	hAlignSnapItem ()
	Return horizontal align snap item.
void	deleteHAlignSnapItem ()
QGraphicsLineItem *	vAlignSnapItem ()
	Return vertical align snap item.
void	deleteVAlignSnapItem ()
void	deleteAlignItems ()
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.
bool	shouldDrawItem () const
	Returns whether the item should be drawn in the current context.
Protected Attributes inherited from QgsComposerItem
bool	mRemovedFromComposition
	True if item has been removed from the composition.
QgsComposerItem::MouseMoveAction	mCurrentMouseMoveAction
QPointF	mMouseMoveStartPos
	Start point of the last mouse move action (in scene coordinates)
QPointF	mLastMouseEventPos
	Position of the last mouse move event (in scene coordinates)
QGraphicsRectItem *	mBoundingResizeRectangle
	Rectangle used during move and resize actions.
QGraphicsLineItem *	mHAlignSnapItem
QGraphicsLineItem *	mVAlignSnapItem
bool	mFrame
	True if item fram needs to be painted.
bool	mBackground
	True if item background needs to be painted.
QColor	mBackgroundColor
	Background color.
Qt::PenJoinStyle	mFrameJoinStyle
	Frame join style.
bool	mItemPositionLocked
	True if item position and size cannot be changed with mouse move.
double	mLastValidViewScaleFactor
	Backup to restore item appearance if no view scale factor is available.
double	mItemRotation
	Item rotation in degrees, clockwise.
double	mEvaluatedItemRotation
	Temporary evaluated item rotation in degrees, clockwise.
QPainter::CompositionMode	mBlendMode
	Composition blend mode for item.
bool	mEffectsEnabled
QgsComposerEffect *	mEffect
int	mTransparency
	Item transparency.
bool	mExcludeFromExports
	Whether item should be excluded in exports.
bool	mEvaluatedExcludeFromExports
	Temporary evaluated item exclusion.
ItemPositionMode	mLastUsedPositionMode
	The item's position mode.
bool	mIsGroupMember
	Whether or not this item is part of a group.
int	mCurrentExportLayer
	The layer that needs to be exported.

Detailed Description

Object representing map window.

Member Enumeration Documentation

enum QgsComposerMap::AtlasScalingMode

Scaling modes used for the serial rendering (atlas)

Enumerator:

Fixed
Predefined
Auto

enum QgsComposerMap::Border

Enum for different frame borders.

Enumerator:

Left
Right
Bottom
Top

enum QgsComposerMap::GridAnnotationDirection

Enumerator:

Horizontal
Vertical
HorizontalAndVertical
BoundaryDirection

enum QgsComposerMap::GridAnnotationFormat

Enumerator:

Decimal
DegreeMinute
DegreeMinuteSecond
DecimalWithSuffix
DegreeMinuteNoSuffix
DegreeMinutePadded
DegreeMinuteSecondNoSuffix
DegreeMinuteSecondPadded

enum QgsComposerMap::GridAnnotationPosition

Enumerator:

InsideMapFrame
OutsideMapFrame
Disabled

enum QgsComposerMap::GridFrameStyle

Enumerator:

NoGridFrame
Zebra
InteriorTicks
ExteriorTicks
InteriorExteriorTicks
LineBorder

enum QgsComposerMap::GridStyle

Enumerator:

Solid
Cross
Markers
FrameAnnotationsOnly

enum QgsComposerMap::PreviewMode

Preview style.

Enumerator:

Cache
Render
Rectangle

Constructor & Destructor Documentation

QgsComposerMap::QgsComposerMap	(	QgsComposition *	composition,
		int	x,
		int	y,
		int	width,
		int	height
	)

Constructor.

QgsComposerMap::QgsComposerMap ( QgsComposition * composition )

Constructor.

Settings are read from project.

QgsComposerMap::~QgsComposerMap ( )

virtual

Member Function Documentation

QColor QgsComposerMap::annotationFontColor ( ) const

Get font color for grid annotations.

Deprecated:: use grid()->annotationFontColor() or grids() instead

double QgsComposerMap::annotationFrameDistance ( ) const

Deprecated:: use grid()->annotationFrameDistance() or grids() instead

void QgsComposerMap::assignFreeId ( )

Sets mId to a number not yet used in the composition.

mId is kept if it is not in use. Usually, this function is called before adding the composer map to the composition

bool QgsComposerMap::atlasDriven ( ) const

inline

Returns whether the map extent is set to follow the current atlas feature.

Returns: true if map will follow the current atlas feature.

See Also: setAtlasDriven; atlasScalingMode

bool QgsComposerMap::atlasFixedScale ( ) const

Returns true if the map uses a fixed scale when in atlas mode.

Deprecated:: since 2.4 Use atlasScalingMode() instead

double QgsComposerMap::atlasMargin ( const QgsComposerObject::PropertyValueType valueType = QgsComposerObject::EvaluatedValue )

Returns the margin size (percentage) used when the map is in atlas mode.

Parameters

valueType controls whether the returned value is the user specified atlas margin, or the current evaluated atlas margin (which may be affected by data driven atlas margin settings).

Returns: margin size in percentage to leave around the atlas feature's extent

Note: this is only used if atlasScalingMode() is Auto.

See Also: atlasScalingMode; setAtlasMargin

AtlasScalingMode QgsComposerMap::atlasScalingMode ( ) const

inline

Returns the current atlas scaling mode.

This controls how the map's extents are calculated for the current atlas feature when an atlas composition is enabled.

Returns: the current scaling mode

Note: this parameter is only used if atlasDriven() is true

See Also: setAtlasScalingMode; atlasDriven

QRectF QgsComposerMap::boundingRect ( ) const

In case of annotations, the bounding rectangle can be larger than the map item rectangle.

void QgsComposerMap::cache ( void )

Create cache image.

void QgsComposerMap::connectMapOverviewSignals ( )

bool QgsComposerMap::containsAdvancedEffects ( ) const

True if composer map contains layers with blend modes or flattened layers for vectors.

bool QgsComposerMap::containsWMSLayer ( ) const

True if composer map renders a WMS layer.

bool QgsComposerMap::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

Reimplemented from QgsComposerItem.

double QgsComposerMap::crossLength ( )

Deprecated:: use grid()->crossLength() or grids() instead

QgsRectangle * QgsComposerMap::currentMapExtent ( )

Returns a pointer to the current map extent, which is either the original user specified extent or the temporary atlas-driven feature extent depending on the current atlas state of the composition.

Both a const and non-const version are included.

Returns: pointer to current map extent

See Also: visibleExtentPolygon

const QgsRectangle * QgsComposerMap::currentMapExtent ( ) const

QString QgsComposerMap::displayName ( ) const

virtual

Get item display name.

This is the item's id if set, and if not, a user-friendly string identifying item type.

Returns: display name for item

See Also: id; setId

Note: added in version 2.5

Reimplemented from QgsComposerItem.

void QgsComposerMap::draw	(	QPainter *	painter,
		const QgsRectangle &	extent,
		const QSizeF &	size,
		double	dpi,
		double *	forceWidthScale = `0`
	)

Draw to paint device.

Parameters

painter	painter
extent	map extent
size	size in scene coordinates
dpi	scene dpi
forceWidthScale	force wysiwyg line widths / marker sizes

bool QgsComposerMap::drawCanvasItems ( ) const

inline

QgsRectangle QgsComposerMap::extent ( ) const

inline

void QgsComposerMap::extentChanged ( )

signal

QgsComposerMapGrid * QgsComposerMap::grid ( )

Returns the map item's first grid.

This is a convenience function.

Returns: pointer to first grid for map item

See Also: grids()

Note: introduced in QGIS 2.5

QgsComposerMap::GridAnnotationDirection QgsComposerMap::gridAnnotationDirection ( QgsComposerMap::Border border ) const

Deprecated:: use grid()->annotationDirection() or grids() instead

QFont QgsComposerMap::gridAnnotationFont ( ) const

Deprecated:: use grid()->annotationFont() or grids() instead

QgsComposerMap::GridAnnotationFormat QgsComposerMap::gridAnnotationFormat ( ) const

Deprecated:: use grid()->annotationFormat() or grids() instead

QgsComposerMap::GridAnnotationPosition QgsComposerMap::gridAnnotationPosition ( QgsComposerMap::Border border ) const

Deprecated:: use grid()->annotationPosition() or grids() instead

int QgsComposerMap::gridAnnotationPrecision ( ) const

Deprecated:: use grid()->annotationPrecision() or grids() instead

QPainter::CompositionMode QgsComposerMap::gridBlendMode ( ) const

Returns the grid's blending mode.

Deprecated:: use grid()->blendMode() or grids() instead

bool QgsComposerMap::gridEnabled ( ) const

Deprecated:: use grid()->enabled() or grids() instead

QColor QgsComposerMap::gridFrameFillColor1 ( ) const

Get first fill color for grid zebra frame.

Note: : this function was added in version 2.1

Deprecated:: use grid()->frameFillColor1() or grids() instead

QColor QgsComposerMap::gridFrameFillColor2 ( ) const

Get second fill color for grid zebra frame.

Note: : this function was added in version 2.1

Deprecated:: use grid()->frameFillColor2() or grids() instead

QColor QgsComposerMap::gridFramePenColor ( ) const

Get pen color for grid frame.

Note: : this function was added in version 2.1

Deprecated:: use grid()->framePenColor() or grids() instead

double QgsComposerMap::gridFramePenSize ( ) const

Deprecated:: use grid()->framePenSize() or grids() instead

QgsComposerMap::GridFrameStyle QgsComposerMap::gridFrameStyle ( ) const

Deprecated:: use grid()->frameStyle() or grids() instead

double QgsComposerMap::gridFrameWidth ( ) const

Deprecated:: use grid()->frameWidth() or grids() instead

double QgsComposerMap::gridIntervalX ( ) const

Deprecated:: use grid()->intervalX() or grids() instead

double QgsComposerMap::gridIntervalY ( ) const

Deprecated:: use grid()->intervalY() or grids() instead

QgsLineSymbolV2 * QgsComposerMap::gridLineSymbol ( )

Deprecated:: use grid()->lineSymbol() or grids() instead

double QgsComposerMap::gridOffsetX ( ) const

Deprecated:: use grid()->offsetX() or grids() instead

double QgsComposerMap::gridOffsetY ( ) const

Deprecated:: use grid()->offsetY() or grids() instead

QPen QgsComposerMap::gridPen ( ) const

Deprecated:: use grid()->pen() or grids() instead

QgsComposerMapGridStack* QgsComposerMap::grids ( )

inline

Returns the map item's grid stack, which is used to control how grids are drawn over the map's contents.

Returns: pointer to grid stack

See Also: grid()

Note: introduced in QGIS 2.5

QgsComposerMap::GridStyle QgsComposerMap::gridStyle ( ) const

Deprecated:: use grid()->style() or grids() instead

int QgsComposerMap::id ( ) const

inline

Get identification number.

Reimplemented from QgsComposerItem.

bool QgsComposerMap::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

Reimplemented from QgsComposerItem.

bool QgsComposerMap::isDrawing ( ) const

inline

True if a draw is already in progress.

bool QgsComposerMap::keepLayerSet ( ) const

inline

Getter for flag that determines if the stored layer set should be used or the current layer set of the qgis mapcanvas.

QStringList QgsComposerMap::layerSet ( ) const

inline

Getter for stored layer set that is used if mKeepLayerSet is true.

const QgsMapRenderer * QgsComposerMap::mapRenderer ( ) const

Deprecated:: since 2.4 - use mapSettings() - may return 0 if not initialized with QgsMapRenderer

double QgsComposerMap::mapRotation ( QgsComposerObject::PropertyValueType valueType = QgsComposerObject::EvaluatedValue ) const

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

Returns: rotation for map

Parameters

valueType controls whether the returned value is the user specified rotation, or the current evaluated rotation (which may be affected by data driven rotation settings).

void QgsComposerMap::mapRotationChanged ( double newRotation )

signal

Is emitted on rotation change to notify north arrow pictures.

QgsMapSettings QgsComposerMap::mapSettings	(	const QgsRectangle &	extent,
		const QSizeF &	size,
		int	dpi
	)		const

Return map settings that would be used for drawing of the map.

Note: added in 2.6

QPointF QgsComposerMap::mapToItemCoords ( const QPointF & mapCoords ) const

Transforms map coordinates to item coordinates (considering rotation and move offset)

double QgsComposerMap::mapUnitsToMM ( ) const

Returns the conversion factor map units -> mm.

void QgsComposerMap::moveContent	(	double	dx,
		double	dy
	)

virtual

Move content of map.

Parameters

dx	move in x-direction (item and canvas coordinates)
dy	move in y-direction (item and canvas coordinates)

Reimplemented from QgsComposerItem.

int QgsComposerMap::numberExportLayers ( ) const

virtual

Get the number of layers that this item requires for exporting as layers.

Returns: 0 if this item is to be placed on the same layer as the previous item, 1 if it should be placed on its own layer, and >1 if it requires multiple export layers

Note: this method was added in version 2.4

Reimplemented from QgsComposerItem.

QgsComposerMapOverview * QgsComposerMap::overview ( )

Returns the map item's first overview.

This is a convenience function.

Returns: pointer to first overview for map item

See Also: overviews()

Note: introduced in QGIS 2.5

QPainter::CompositionMode QgsComposerMap::overviewBlendMode ( ) const

Returns the overview's blending mode.

Deprecated:: use overview()->blendMode() or overviews() instead

bool QgsComposerMap::overviewCentered ( ) const

Returns true if the extent is forced to center on the overview.

Deprecated:: use overview()->centered() or overviews() instead

void QgsComposerMap::overviewExtentChanged ( )

inlineslot

Deprecated:: use QgsComposerMapOverview::overviewExtentChanged instead

int QgsComposerMap::overviewFrameMapId ( ) const

Returns id of overview frame (or -1 if no overfiew frame)

Deprecated:: use overview()->frameMapId() or overviews() instead

QgsFillSymbolV2 * QgsComposerMap::overviewFrameMapSymbol ( )

Deprecated:: use overview()->frameSymbol() or overviews() instead

bool QgsComposerMap::overviewInverted ( ) const

Returns true if the overview frame is inverted.

Deprecated:: use overview()->inverted() or overviews() instead

QgsComposerMapOverviewStack* QgsComposerMap::overviews ( )

inline

Returns the map item's overview stack, which is used to control how overviews are drawn over the map's contents.

Returns: pointer to overview stack

See Also: overview()

Note: introduced in QGIS 2.5

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

Reimplementation of QCanvasItem::paint - draw on canvas.

void QgsComposerMap::preparedForAtlas ( )

signal

Is emitted when the map has been prepared for atlas rendering, just before actual rendering.

PreviewMode QgsComposerMap::previewMode ( ) const

inline

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

virtual

sets state from Dom document

Parameters

itemElem	is Dom node corresponding to 'ComposerMap' tag
doc	is Dom document

Reimplemented from QgsComposerObject.

void QgsComposerMap::refreshDataDefinedProperty ( const QgsComposerObject::DataDefinedProperty property = QgsComposerObject::AllProperties )

virtualslot

void QgsComposerMap::renderModeUpdateCachedImage ( )

slot

Call updateCachedImage if item is in render mode.

void QgsComposerMap::requestedExtent ( QgsRectangle & extent ) const

Calculates the extent to request and the yShift of the top-left point in case of rotation.

Note: added in 2.6

void QgsComposerMap::resize	(	double	dx,
		double	dy
	)

resizes an item in x- and y direction (canvas coordinates)

Q_DECL_DEPRECATED double QgsComposerMap::rotation ( ) const

inline

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

Deprecated:: Use mapRotation() instead

Reimplemented from QgsComposerItem.

double QgsComposerMap::scale ( ) const

Scale.

void QgsComposerMap::setAnnotationFontColor ( const QColor & c )

Sets font color for grid annotations.

Deprecated:: use grid()->setAnnotationFontColor() or grids() instead

void QgsComposerMap::setAnnotationFrameDistance ( double d )

Sets distance between map frame and annotations.

Deprecated:: use grid()->setAnnotationFrameDistance() or grids() instead

void QgsComposerMap::setAtlasDriven ( bool enabled )

Sets whether the map extent will follow the current atlas feature.

Parameters

enabled set to true if the map extents should be set by the current atlas feature.

See Also: atlasDriven; setAtlasScalingMode

void QgsComposerMap::setAtlasFixedScale ( bool fixed )

Set to true if the map should use a fixed scale when in atlas mode.

Deprecated:: since 2.4 Use setAtlasScalingMode() instead

void QgsComposerMap::setAtlasMargin ( double margin )

inline

Sets the margin size (percentage) used when the map is in atlas mode.

Parameters

margin size in percentage to leave around the atlas feature's extent

Note: this is only used if atlasScalingMode() is Auto.

See Also: atlasScalingMode; atlasMargin

void QgsComposerMap::setAtlasScalingMode ( AtlasScalingMode mode )

inline

Sets the current atlas scaling mode.

This controls how the map's extents are calculated for the current atlas feature when an atlas composition is enabled.

Parameters

mode	atlas scaling mode to set

Note: this parameter is only used if atlasDriven() is true

See Also: atlasScalingMode; atlasDriven

void QgsComposerMap::setCacheUpdated ( bool u = false )

void QgsComposerMap::setCrossLength ( double l )

Sets length of the cross segments (if grid style is cross)

Deprecated:: use grid()->setCrossLength() or grids() instead

void QgsComposerMap::setDrawCanvasItems ( bool b )

inline

void QgsComposerMap::setFrameOutlineWidth ( const double outlineWidth )

virtual

Sets frame outline width.

Parameters

outlineWidth new width for outline frame

Note: introduced in 2.2

See Also: frameOutlineWidth; setFrameEnabled; setFrameJoinStyle; setFrameOutlineColor

Reimplemented from QgsComposerItem.

void QgsComposerMap::setGridAnnotationDirection	(	GridAnnotationDirection	d,
		QgsComposerMap::Border	border
	)

Deprecated:: use grid()->setAnnotationDirection() or grids() instead

void QgsComposerMap::setGridAnnotationFont ( const QFont & f )

Sets font for grid annotations.

Deprecated:: use grid()->setAnnotationFont() or grids() instead

void QgsComposerMap::setGridAnnotationFormat ( QgsComposerMap::GridAnnotationFormat f )

Deprecated:: use grid()->setAnnotationFormat() or grids() instead

void QgsComposerMap::setGridAnnotationPosition	(	QgsComposerMap::GridAnnotationPosition	p,
		QgsComposerMap::Border	border
	)

Deprecated:: use grid()->setAnnotationPosition() or grids() instead

void QgsComposerMap::setGridAnnotationPrecision ( int p )

Sets coordinate precision for grid annotations.

Deprecated:: use grid()->setAnnotationPrecision or grids() instead

void QgsComposerMap::setGridBlendMode ( QPainter::CompositionMode blendMode )

Sets the grid's blending mode.

Deprecated:: use grid()->setBlendMode() or grids() instead

void QgsComposerMap::setGridEnabled ( bool enabled )

Enables a coordinate grid that is shown on top of this composermap.

Deprecated:: use grid()->setEnabled() or grids() instead

void QgsComposerMap::setGridFrameFillColor1 ( const QColor & c )

Sets first fill color for grid zebra frame.

Note: : this function was added in version 2.1

Deprecated:: use grid()->setFrameFillColor1() or grids() instead

void QgsComposerMap::setGridFrameFillColor2 ( const QColor & c )

Sets second fill color for grid zebra frame.

Note: : this function was added in version 2.1

Deprecated:: use grid()->setFrameFillColor2() or grids() instead

void QgsComposerMap::setGridFramePenColor ( const QColor & c )

Sets pen color for grid frame.

Note: : this function was added in version 2.1

Deprecated:: use grid()->setFramePenColor() or grids() instead

void QgsComposerMap::setGridFramePenSize ( double w )

Set grid frame pen thickness.

Note: : this function was added in version 2.1

Deprecated:: use grid()->setFramePenSize() or grids() instead

void QgsComposerMap::setGridFrameStyle ( GridFrameStyle style )

Set grid frame style (NoGridFrame or Zebra)

Deprecated:: use grid()->setFrameStyle() or grids() instead

void QgsComposerMap::setGridFrameWidth ( double w )

Set grid frame width.

Deprecated:: use grid()->setFrameWidth() or grids() instead

void QgsComposerMap::setGridIntervalX ( double interval )

Sets coordinate interval in x-direction for composergrid.

Deprecated:: use grid()->setIntervalX() or grids() instead

void QgsComposerMap::setGridIntervalY ( double interval )

Sets coordinate interval in y-direction for composergrid.

Deprecated:: use grid()->setIntervalY() or grids() instead

void QgsComposerMap::setGridLineSymbol ( QgsLineSymbolV2 * symbol )

Deprecated:: use grid()->setLineSymbol() or grids() instead

void QgsComposerMap::setGridOffsetX ( double offset )

Sets x-coordinate offset for composer grid.

Deprecated:: use grid()->setOffsetX() or grids() instead

void QgsComposerMap::setGridOffsetY ( double offset )

Sets y-coordinate offset for composer grid.

Deprecated:: use grid()->setOffsetY() or grids() instead

void QgsComposerMap::setGridPen ( const QPen & p )

Sets the pen to draw composer grid.

Deprecated:: use grid()->setPenWidth(), grid()->setPenColor() or grids() instead

void QgsComposerMap::setGridPenColor ( const QColor & c )

Sets the color of the grid pen.

Deprecated:: use grid()->setPenColor() or grids() instead

void QgsComposerMap::setGridPenWidth ( double w )

Sets width of grid pen.

Deprecated:: use grid()->setPenWidth() or grids() instead

void QgsComposerMap::setGridStyle ( GridStyle style )

Sets coordinate grid style to solid or cross.

Deprecated:: use grid()->setStyle() or grids() instead

void QgsComposerMap::setKeepLayerSet ( bool enabled )

inline

Setter for flag that determines if the stored layer set should be used or the current layer set of the qgis mapcanvas.

void QgsComposerMap::setLayerSet ( const QStringList & layerSet )

inline

Setter for stored layer set that is used if mKeepLayerSet is true.

void QgsComposerMap::setMapCanvas ( QGraphicsView * canvas )

inline

Sets canvas pointer (necessary to query and draw map canvas items)

void QgsComposerMap::setMapRotation ( double r )

Sets rotation for the map - this does not affect the composer item shape, only the way the map is drawn within the item.

Note: this function was added in version 2.1

void QgsComposerMap::setNewAtlasFeatureExtent ( const QgsRectangle & extent )

Sets new Extent for the current atlas preview and changes width, height (and implicitely also scale).

Atlas preview extents are only temporary, and are regenerated whenever the atlas feature changes

void QgsComposerMap::setNewExtent ( const QgsRectangle & extent )

Sets new extent for the map.

This method may change the width or height of the map item to ensure that the extent exactly matches the specified extent, with no overlap or margin. This method implicitly alters the map scale.

Parameters

extent new extent for the map

See Also: zoomToExtent

void QgsComposerMap::setNewScale	(	double	scaleDenominator,
		bool	forceUpdate = `true`
	)

Sets new scale and changes only mExtent.

void QgsComposerMap::setOffset	(	double	xOffset,
		double	yOffset
	)

Sets offset values to shift image (useful for live updates when moving item content)

void QgsComposerMap::setOverviewBlendMode ( QPainter::CompositionMode blendMode )

Sets the overview's blending mode.

Deprecated:: use overview()->setBlendMode() or overviews() instead

void QgsComposerMap::setOverviewCentered ( bool centered )

Set the overview's centering mode.

Deprecated:: use overview()->setCentered() or overviews() instead

void QgsComposerMap::setOverviewFrameMap ( int mapId )

Sets overview frame map.

-1 disables the overview frame

Deprecated:: use overview()->setFrameMap() or overviews() instead

void QgsComposerMap::setOverviewFrameMapSymbol ( QgsFillSymbolV2 * symbol )

Deprecated:: use overview()->setFrameSymbol() or overviews() instead

void QgsComposerMap::setOverviewInverted ( bool inverted )

Sets the overview's inversion mode.

Deprecated:: use overview()->setInverted() or overviews() instead

void QgsComposerMap::setPreviewMode ( PreviewMode m )

void QgsComposerMap::setRotation ( double r )

virtual

Sets rotation for the map - this does not affect the composer item shape, only the way the map is drawn within the item.

Deprecated:: Use setMapRotation( double rotation ) instead

Reimplemented from QgsComposerItem.

void QgsComposerMap::setSceneRect ( const QRectF & rectangle )

virtual

Sets new scene rectangle bounds and recalculates hight and extent.

Reimplemented from QgsComposerItem.

void QgsComposerMap::setShowGridAnnotation ( bool show )

Sets flag if grid annotation should be shown.

Deprecated:: use grid()->setAnnotationEnabled() or grids() instead

void QgsComposerMap::setUpdatesEnabled ( bool enabled )

inline

Sets whether updates to the composer map are enabled.

bool QgsComposerMap::showGridAnnotation ( ) const

Deprecated:: use grid()->annotationEnabled() or grids() instead

void QgsComposerMap::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

Reimplemented from QgsComposerItem.

void QgsComposerMap::storeCurrentLayerSet ( )

Stores the current layer set of the qgis mapcanvas in mLayerSet.

Q_DECL_DEPRECATED void QgsComposerMap::toggleAtlasPreview ( )

inline

Called when atlas preview is toggled, to force map item to update its extent and redraw.

Deprecated:: no longer required

QPolygonF QgsComposerMap::transformedMapPolygon ( ) const

Returns extent that considers rotation and shift with mOffsetX / mOffsetY.

virtual int QgsComposerMap::type ( ) const

inlinevirtual

return correct graphics item type.

Reimplemented from QgsComposerItem.

void QgsComposerMap::updateBoundingRect ( )

slot

Updates the bounding rect of this item.

Call this function before doing any changes related to annotation out of the map rectangle

void QgsComposerMap::updateCachedImage ( void )

slot

Called if map canvas has changed.

void QgsComposerMap::updateItem ( )

virtual

Updates item, with the possibility to do custom update for subclasses.

Reimplemented from QgsComposerItem.

bool QgsComposerMap::updatesEnabled ( ) const

inline

Returns whether updates to the composer map are enabled.

QPolygonF QgsComposerMap::visibleExtentPolygon ( ) const

Returns a polygon representing the current visible map extent, considering map extents and rotation.

If the map rotation is 0, the result is the same as currentMapExtent

Returns: polygon with the four corner points representing the visible map extent. The points are clockwise, starting at the top-left point

See Also: currentMapExtent

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

virtual

stores state in Dom node

Parameters

elem	is Dom element corresponding to 'Composer' tag
doc	Dom document

Reimplemented from QgsComposerObject.

void QgsComposerMap::zoomContent	(	int	delta,
		double	x,
		double	y
	)

virtual

Zoom content of map.

Parameters

delta	value from wheel event that describes direction (positive /negative number)
x	x-position of mouse cursor (in item coordinates)
y	y-position of mouse cursor (in item coordinates)

Deprecated:: use zoomContent( double, QPointF, ZoomMode ) instead

Reimplemented from QgsComposerItem.

void QgsComposerMap::zoomContent	(	const double	factor,
		const QPointF	point,
		const ZoomMode	mode = `QgsComposerItem::Zoom`
	)

virtual

Zoom content of item.

Does nothing per default (but implemented in composer map)

Parameters

factor	zoom factor, where > 1 results in a zoom in and < 1 results in a zoom out
point	item point for zoom center
mode	zoom mode

Note: added in QGIS 2.5

Reimplemented from QgsComposerItem.

void QgsComposerMap::zoomToExtent ( const QgsRectangle & extent )

Zooms the map so that the specified extent is fully visible within the map item.

This method will not change the width or height of the map, and may result in an overlap or margin from the specified extent. This method implicitly alters the map scale.

Parameters

extent new extent for the map

See Also: setNewExtent

Note: added in QGIS 2.5

Friends And Related Function Documentation

friend class QgsComposerMapOverview

friend

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

/tmp/buildd/qgis-2.6.0+wheezy1/src/core/composer/qgscomposermap.h
/tmp/buildd/qgis-2.6.0+wheezy1/src/core/composer/qgscomposermap.cpp

Public Types

Public Slots

Signals

Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation