Object representing map window. More...

#include <qgscomposermap.h>

Inheritance diagram for QgsComposerMap:

Collaboration diagram for QgsComposerMap:

Public Types
enum	Border { Left, Right, Bottom, Top }
	Enum for different frame borders. More...
enum	GridAnnotationDirection { Horizontal = 0, Vertical, HorizontalAndVertical, BoundaryDirection }
enum	GridAnnotationFormat { Decimal = 0, DegreeMinute, DegreeMinuteSecond }
enum	GridAnnotationPosition { InsideMapFrame = 0, OutsideMapFrame, Disabled }
enum	GridFrameStyle { NoGridFrame = 0, Zebra }
enum	GridStyle { Solid = 0, Cross }
enum	PreviewMode { Cache = 0, Render, Rectangle }
	Preview style. More...
Public Slots
void	renderModeUpdateCachedImage ()
	Call updateCachedImage if item is in render mode.
void	updateCachedImage ()
	Called if map canvas has changed.
Signals
void	extentChanged ()
Public Member Functions
	QgsComposerMap (QgsComposition *composition, int x, int y, int width, int height)
	Constructor.
	QgsComposerMap (QgsComposition *composition)
	Constructor.
virtual	~QgsComposerMap ()
QColor	annotationFontColor () const
	Get font color for grid annotations.
double	annotationFrameDistance () const
void	assignFreeId ()
	Sets mId to a number not yet used in the composition.
QRectF	boundingRect () const
	In case of annotations, the bounding rectangle can be larger than the map item rectangle.
void	cache ()
	Create cache image.
bool	containsAdvancedEffects () const
	True if composer map contains layers with blend modes or flattened layers for vectors.
bool	containsWMSLayer () const
	True if composer map renders a WMS layer.
double	crossLength ()
void	draw (QPainter painter, const QgsRectangle &extent, const QSizeF &size, double dpi, double forceWidthScale=0)
	Draw to paint device.
bool	drawCanvasItems () const
QgsRectangle	extent () const
GridAnnotationDirection	gridAnnotationDirection (QgsComposerMap::Border border) const
QFont	gridAnnotationFont () const
GridAnnotationFormat	gridAnnotationFormat () const
GridAnnotationPosition	gridAnnotationPosition (QgsComposerMap::Border border) const
int	gridAnnotationPrecision () const
QPainter::CompositionMode	gridBlendMode () const
	Returns the grid's blending mode.
bool	gridEnabled () const
GridFrameStyle	gridFrameStyle () const
double	gridFrameWidth () const
double	gridIntervalX () const
double	gridIntervalY () const
QgsLineSymbolV2 *	gridLineSymbol ()
double	gridOffsetX () const
double	gridOffsetY () const
QPen	gridPen () const
GridStyle	gridStyle () const
int	id () const
	Get identification number.
bool	isDrawing () const
	True if a draw is already in progress.
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.
QStringList	layerSet () const
	Getter for stored layer set that is used if mKeepLayerSet is true.
const QgsMapRenderer *	mapRenderer () const
double	mapUnitsToMM () const
	Returns the conversion factor map units -> mm.
void	moveContent (double dx, double dy)
	Move content of map.
QPainter::CompositionMode	overviewBlendMode () const
	Returns the overview's blending mode.
int	overviewFrameMapId () const
	Returns id of overview frame (or -1 if no overfiew frame)
QgsFillSymbolV2 *	overviewFrameMapSymbol ()
bool	overviewInverted () const
	Returns true if the overview frame is inverted.
void	paint (QPainter painter, const QStyleOptionGraphicsItem itemStyle, QWidget *pWidget)
	Reimplementation of QCanvasItem::paint - draw on canvas.
PreviewMode	previewMode () const
bool	readXML (const QDomElement &itemElem, const QDomDocument &doc)
	sets state from Dom document
void	resize (double dx, double dy)
	resizes an item in x- and y direction (canvas coordinates)
double	scale () const
	Scale.
void	setAnnotationFontColor (const QColor &c)
	Sets font color for grid annotations.
void	setAnnotationFrameDistance (double d)
	Sets distance between map frame and annotations.
void	setCacheUpdated (bool u=false)
void	setCrossLength (double l)
	Sets length of the cros segments (if grid style is cross)
void	setDrawCanvasItems (bool b)
void	setGridAnnotationDirection (GridAnnotationDirection d, QgsComposerMap::Border border)
void	setGridAnnotationFont (const QFont &f)
	Sets font for grid annotations.
void	setGridAnnotationFormat (GridAnnotationFormat f)
void	setGridAnnotationPosition (GridAnnotationPosition p, QgsComposerMap::Border border)
void	setGridAnnotationPrecision (int p)
	Sets coordinate precision for grid annotations.
void	setGridBlendMode (QPainter::CompositionMode blendMode)
	Sets the grid's blending mode.
void	setGridEnabled (bool enabled)
	Enables a coordinate grid that is shown on top of this composermap.
void	setGridFrameStyle (GridFrameStyle style)
	Set grid frame style (NoGridFrame or Zebra)
void	setGridFrameWidth (double w)
	Set grid frame width.
void	setGridIntervalX (double interval)
	Sets coordinate interval in x-direction for composergrid.
void	setGridIntervalY (double interval)
	Sets coordinate interval in y-direction for composergrid.
void	setGridLineSymbol (QgsLineSymbolV2 *symbol)
void	setGridOffsetX (double offset)
	Sets x-coordinate offset for composer grid.
void	setGridOffsetY (double offset)
	Sets y-coordinate offset for composer grid.
void	setGridPen (const QPen &p)
	Sets the pen to draw composer grid.
void	setGridPenColor (const QColor &c)
	Sets the color of the grid pen.
void	setGridPenWidth (double w)
	Sets with of grid pen.
void	setGridStyle (GridStyle style)
	Sets coordinate grid style to solid or cross.
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.
void	setLayerSet (const QStringList &layerSet)
	Setter for stored layer set that is used if mKeepLayerSet is true.
void	setMapCanvas (QGraphicsView *canvas)
	Sets canvas pointer (necessary to query and draw map canvas items)
void	setMapRotation (double r)
void	setNewExtent (const QgsRectangle &extent)
	Sets new Extent and changes width, height (and implicitely also scale)
void	setNewScale (double scaleDenominator)
	Sets new scale and changes only mExtent.
void	setOffset (double xOffset, double yOffset)
	Sets offset values to shift image (useful for live updates when moving item content)
void	setOverviewBlendMode (QPainter::CompositionMode blendMode)
	Sets the overview's blending mode.
void	setOverviewFrameMap (int mapId)
	Sets overview frame map.
void	setOverviewFrameMapSymbol (QgsFillSymbolV2 *symbol)
void	setOverviewInverted (bool inverted)
	Sets the overview's inversion mode.
void	setPreviewMode (PreviewMode m)
void	setSceneRect (const QRectF &rectangle)
	Sets new scene rectangle bounds and recalculates hight and extent.
void	setShowGridAnnotation (bool show)
	Sets flag if grid annotation should be shown.
bool	showGridAnnotation () const
void	storeCurrentLayerSet ()
	Stores the current layer set of the qgis mapcanvas in mLayerSet.
virtual int	type () const
	return correct graphics item type.
void	updateBoundingRect ()
	Updates the bounding rect of this item.
void	updateItem ()
	Updates item, with the possibility to do custom update for subclasses.
bool	writeXML (QDomElement &elem, QDomDocument &doc) const
	stores state in Dom node
void	zoomContent (int delta, double x, double y)
	Zoom content of map.
Private Types
enum	AnnotationCoordinate { Longitude = 0, Latitude }
Private Member Functions
Border	borderForLineCoord (const QPointF &p) const
	Returns the item border of a point (in item coordinates)
QPointF	composerMapPosForItem (const QGraphicsItem *item) const
void	connectUpdateSlot ()
	Establishes signal/slot connection for update in case of layer change.
void	createDefaultGridLineSymbol ()
void	createDefaultOverviewFrameSymbol ()
void	drawAnnotation (QPainter *p, const QPointF &pos, int rotation, const QString &annotationText)
	Draws a single annotation.
void	drawCanvasItem (QGraphicsItem item, QPainter painter, const QStyleOptionGraphicsItem *itemStyle)
void	drawCanvasItems (QPainter painter, const QStyleOptionGraphicsItem itemStyle)
void	drawCoordinateAnnotation (QPainter *p, const QPointF &pos, QString annotationString)
void	drawCoordinateAnnotations (QPainter *p, const QList< QPair< double, QLineF > > &hLines, const QList< QPair< double, QLineF > > &vLines)
	Draw coordinates for mGridAnnotationType Coordinate.
void	drawGrid (QPainter *p)
	Draws the map grid.
void	drawGridFrame (QPainter *p, const QList< QPair< double, QLineF > > &hLines, const QList< QPair< double, QLineF > > &vLines)
void	drawGridFrameBorder (QPainter *p, const QMap< double, double > &borderPos, Border border)
void	drawGridLine (const QLineF &line, QPainter *p)
void	drawOverviewMapExtent (QPainter *p)
QString	gridAnnotationString (double value, AnnotationCoordinate coord) const
void	initGridAnnotationFormatFromProject ()
void	mapPolygon (QPolygonF &poly) const
	Returns the polygon of the map extent.
QPointF	mapToItemCoords (const QPointF &mapCoords) const
	Transforms map coordinates to item coordinates (considering rotation and move offset)
double	maxExtension () const
void	requestedExtent (QgsRectangle &extent) const
	Calculates the extent to request and the yShift of the top-left point in case of rotation.
void	sortGridLinesOnBorders (const QList< QPair< double, QLineF > > &hLines, const QList< QPair< double, QLineF > > &vLines, QMap< double, double > &leftFrameEntries, QMap< double, double > &rightFrameEntries, QMap< double, double > &topFrameEntries, QMap< double, double > &bottomFrameEntries) const
void	syncLayerSet ()
	Removes layer ids from mLayerSet that are no longer present in the qgis main map.
QgsRectangle	transformedExtent () const
	Returns extent that considers mOffsetX / mOffsetY (during content move)
QPolygonF	transformedMapPolygon () const
	Returns extent that considers rotation and shift with mOffsetX / mOffsetY.
void	transformShift (double &xShift, double &yShift) const
	Scales a composer map shift (in MM) and rotates it by mRotation.
int	xGridLines (QList< QPair< double, QLineF > > &lines) const
	Returns the grid lines with associated coordinate value.
int	yGridLines (QList< QPair< double, QLineF > > &lines) const
	Returns the grid lines for the y-coordinates.
Private Attributes
double	mAnnotationFrameDistance
	Distance between map frame and annotation.
GridAnnotationDirection	mBottomGridAnnotationDirection
	Annotation direction on bottom side ( horizontal or vertical )
GridAnnotationPosition	mBottomGridAnnotationPosition
	Annotation position for bottom map side (inside / outside / not shown)
QImage	mCacheImage
bool	mCacheUpdated
double	mCrossLength
	The length of the cross sides for mGridStyle Cross.
QRectF	mCurrentRectangle
	Current bounding rectangle.
bool	mDrawCanvasItems
	True if annotation items, rubber band, etc.
bool	mDrawing
	set to true if in state of drawing.
QgsRectangle	mExtent
QFont	mGridAnnotationFont
	Font for grid line annotation.
QColor	mGridAnnotationFontColor
	Font color for grid line annotation.
GridAnnotationFormat	mGridAnnotationFormat
int	mGridAnnotationPrecision
	Digits after the dot.
QPainter::CompositionMode	mGridBlendMode
	Blend mode for grid.
bool	mGridEnabled
	True if coordinate grid has to be displayed.
GridFrameStyle	mGridFrameStyle
double	mGridFrameWidth
double	mGridIntervalX
	Grid line interval in x-direction (map units)
double	mGridIntervalY
	Grid line interval in y-direction (map units)
QgsLineSymbolV2 *	mGridLineSymbol
double	mGridOffsetX
	Grid line offset in x-direction.
double	mGridOffsetY
	Grid line offset in y-direction.
GridStyle	mGridStyle
	Solid or crosses.
int	mId
	Unique identifier.
bool	mKeepLayerSet
	Flag if layers to be displayed should be read from qgis canvas (true) or from stored list in mLayerSet (false)
QStringList	mLayerSet
	Stored layer list (used if layer live-link mKeepLayerSet is disabled)
GridAnnotationDirection	mLeftGridAnnotationDirection
	Annotation direction on left side ( horizontal or vertical )
GridAnnotationPosition	mLeftGridAnnotationPosition
	Annotation position for left map side (inside / outside / not shown)
QGraphicsView *	mMapCanvas
QgsMapRenderer *	mMapRenderer
int	mNumCachedLayers
	Number of layers when cache was created.
QPainter::CompositionMode	mOverviewBlendMode
	Blend mode for overview.
int	mOverviewFrameMapId
	Id of map which displays its extent rectangle into this composer map (overview map functionality).
QgsFillSymbolV2 *	mOverviewFrameMapSymbol
	Drawing style for overview farme.
bool	mOverviewInverted
PreviewMode	mPreviewMode
	Preview style.
GridAnnotationDirection	mRightGridAnnotationDirection
	Annotation direction on right side ( horizontal or vertical )
GridAnnotationPosition	mRightGridAnnotationPosition
	Annotation position for right map side (inside / outside / not shown)
bool	mShowGridAnnotation
	True if coordinate values should be drawn.
GridAnnotationDirection	mTopGridAnnotationDirection
	Annotation direction on top side ( horizontal or vertical )
GridAnnotationPosition	mTopGridAnnotationPosition
	Annotation position for top map side (inside / outside / not shown)
double	mXOffset
	Offset in x direction for showing map cache image.
double	mYOffset
	Offset in y direction for showing map cache image.

Detailed Description

Object representing map window.

Definition at line 42 of file qgscomposermap.h.

Member Enumeration Documentation

enum QgsComposerMap::AnnotationCoordinate [private]

Enumerator:

Longitude
Latitude

Definition at line 359 of file qgscomposermap.h.

enum QgsComposerMap::Border

Enum for different frame borders.

Enumerator:

Left
Right
Bottom
Top

Definition at line 99 of file qgscomposermap.h.

enum QgsComposerMap::GridAnnotationDirection

Enumerator:

Horizontal
Vertical
HorizontalAndVertical
BoundaryDirection

Definition at line 77 of file qgscomposermap.h.

enum QgsComposerMap::GridAnnotationFormat

Enumerator:

Decimal
DegreeMinute
DegreeMinuteSecond

Definition at line 85 of file qgscomposermap.h.

enum QgsComposerMap::GridAnnotationPosition

Enumerator:

InsideMapFrame
OutsideMapFrame
Disabled

Definition at line 70 of file qgscomposermap.h.

enum QgsComposerMap::GridFrameStyle

Enumerator:

NoGridFrame
Zebra

Definition at line 92 of file qgscomposermap.h.

enum QgsComposerMap::GridStyle

Enumerator:

Solid
Cross

Definition at line 64 of file qgscomposermap.h.

enum QgsComposerMap::PreviewMode

Preview style.

Enumerator:

Cache
Render
Rectangle

Definition at line 57 of file qgscomposermap.h.

Constructor & Destructor Documentation

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

Constructor.

Definition at line 42 of file qgscomposermap.cpp.

References assignFreeId(), QgsComposerItem::composition(), connectUpdateSlot(), createDefaultGridLineSymbol(), createDefaultOverviewFrameSymbol(), QgsMapRenderer::extent(), initGridAnnotationFormatFromProject(), QgsComposition::mapRenderer(), mCacheUpdated, QgsComposerItem::mComposition, mCurrentRectangle, mDrawing, mExtent, mGridLineSymbol, mId, mMapRenderer, mOverviewFrameMapSymbol, mPreviewMode, mXOffset, mYOffset, Rectangle, setSceneRect(), and tr.

QgsComposerMap::QgsComposerMap ( QgsComposition * composition )

Constructor.

Settings are read from project.

Definition at line 87 of file qgscomposermap.cpp.

References QgsComposition::composerMapItems(), QgsComposerItem::composition(), connectUpdateSlot(), createDefaultOverviewFrameSymbol(), initGridAnnotationFormatFromProject(), QgsComposition::mapRenderer(), QgsComposerItem::mComposition, mCurrentRectangle, mGridLineSymbol, mId, mMapRenderer, mOverviewFrameMapSymbol, mPreviewMode, mXOffset, mYOffset, Rectangle, and tr.

QgsComposerMap::~QgsComposerMap ( ) [virtual]

Definition at line 119 of file qgscomposermap.cpp.

References mGridLineSymbol, and mOverviewFrameMapSymbol.

Member Function Documentation

QColor QgsComposerMap::annotationFontColor ( ) const [inline]

Get font color for grid annotations.

Note:: : this function was added in version 2.0

Definition at line 254 of file qgscomposermap.h.

double QgsComposerMap::annotationFrameDistance ( ) const [inline]

Definition at line 272 of file qgscomposermap.h.

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

Definition at line 2262 of file qgscomposermap.cpp.

References QgsComposition::composerMapItems(), QgsComposition::getComposerMapById(), QgsComposerItem::mComposition, and mId.

Referenced by QgsComposition::addItemsFromXML(), and QgsComposerMap().

QgsComposerMap::Border QgsComposerMap::borderForLineCoord ( const QPointF & p ) const [private]

Returns the item border of a point (in item coordinates)

Definition at line 1878 of file qgscomposermap.cpp.

References Bottom, Left, Right, and Top.

Referenced by drawCoordinateAnnotation(), and sortGridLinesOnBorders().

QRectF QgsComposerMap::boundingRect ( ) const

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

Note:: this function was added in version 1.4

Definition at line 1641 of file qgscomposermap.cpp.

References mCurrentRectangle.

void QgsComposerMap::cache ( void )

Create cache image.

Definition at line 200 of file qgscomposermap.cpp.

References QgsComposerItem::backgroundColor(), draw(), QgsComposerItem::hasBackground(), QgsRectangle::height(), QgsComposerItem::horizontalViewScaleFactor(), mapUnitsToMM(), mCacheImage, mCacheUpdated, mDrawing, mExtent, QgsComposerItem::mLastValidViewScaleFactor, mPreviewMode, Rectangle, requestedExtent(), QgsRectangle::width(), QgsRectangle::xMinimum(), and QgsRectangle::yMinimum().

Referenced by QgsComposition::addComposerMap(), QgsAtlasComposition::endRender(), moveContent(), setNewScale(), updateCachedImage(), updateItem(), and zoomContent().

QPointF QgsComposerMap::composerMapPosForItem ( const QGraphicsItem * item ) const [private]

Definition at line 2006 of file qgscomposermap.cpp.

References QgsMapRenderer::extent(), QgsRectangle::height(), mapToItemCoords(), mExtent, mMapCanvas, mMapRenderer, QgsRectangle::width(), QgsRectangle::xMinimum(), and QgsRectangle::yMaximum().

Referenced by drawCanvasItem().

void QgsComposerMap::connectUpdateSlot ( ) [private]

Establishes signal/slot connection for update in case of layer change.

Definition at line 695 of file qgscomposermap.cpp.

References QgsMapLayerRegistry::instance(), and updateCachedImage().

Referenced by QgsComposerMap().

bool QgsComposerMap::containsAdvancedEffects ( ) const

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

Definition at line 638 of file qgscomposermap.cpp.

References QgsMapLayer::blendMode(), QgsPalLayerSettings::blendMode, QgsPalLayerSettings::bufferBlendMode, QgsPalLayerSettings::bufferSize, QgsVectorLayer::featureBlendMode(), QgsMapLayer::id(), QgsMapLayerRegistry::instance(), QgsMapRenderer::labelingEngine(), QgsPalLabeling::layer(), QgsMapRenderer::layerSet(), QgsVectorLayer::layerTransparency(), QgsMapLayerRegistry::mapLayer(), mMapRenderer, QgsPalLayerSettings::shadowBlendMode, QgsPalLayerSettings::shadowDraw, QgsPalLayerSettings::shapeBlendMode, QgsPalLayerSettings::shapeDraw, and QgsPalLabeling::willUseLayer().

bool QgsComposerMap::containsWMSLayer ( ) const

True if composer map renders a WMS layer.

Definition at line 604 of file qgscomposermap.cpp.

References QgsRasterLayer::dataProvider(), QgsMapLayerRegistry::instance(), QgsMapRenderer::layerSet(), QgsMapLayerRegistry::mapLayer(), mMapRenderer, and QgsDataProvider::name().

void QgsComposerMap::createDefaultGridLineSymbol ( ) [private]

Definition at line 2228 of file qgscomposermap.cpp.

References QgsLineSymbolV2::createSimple(), and mGridLineSymbol.

Referenced by QgsComposerMap().

void QgsComposerMap::createDefaultOverviewFrameSymbol ( ) [private]

Definition at line 2217 of file qgscomposermap.cpp.

References QgsFillSymbolV2::createSimple(), mOverviewFrameMapSymbol, and QgsSymbolV2::setAlpha().

Referenced by QgsComposerMap().

double QgsComposerMap::crossLength ( ) [inline]

Definition at line 300 of file qgscomposermap.h.

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

Definition at line 127 of file qgscomposermap.cpp.

Referenced by cache(), and paint().

void QgsComposerMap::drawAnnotation	(	QPainter *	p,
		const QPointF &	pos,
		int	rotation,
		const QString &	annotationText
	)		`[private]`

Draws a single annotation.

Parameters:

p	drawing painter
pos	item coordinates where to draw
rotation	text rotation
annotationText	the text to draw

Definition at line 1420 of file qgscomposermap.cpp.

References QgsComposerItem::drawText(), mGridAnnotationFont, and mGridAnnotationFontColor.

Referenced by drawCoordinateAnnotation().

void QgsComposerMap::drawCanvasItem	(	QGraphicsItem *	item,
		QPainter *	painter,
		const QStyleOptionGraphicsItem *	itemStyle
	)		`[private]`

Definition at line 1961 of file qgscomposermap.cpp.

References composerMapPosForItem(), QgsMapRenderer::extent(), mExtent, mMapCanvas, and mMapRenderer.

Referenced by drawCanvasItems().

bool QgsComposerMap::drawCanvasItems ( ) const [inline]

Definition at line 310 of file qgscomposermap.h.

Referenced by paint().

void QgsComposerMap::drawCanvasItems	(	QPainter *	painter,
		const QStyleOptionGraphicsItem *	itemStyle
	)		`[private]`

Definition at line 1898 of file qgscomposermap.cpp.

References drawCanvasItem(), mDrawCanvasItems, and mMapCanvas.

void QgsComposerMap::drawCoordinateAnnotation	(	QPainter *	p,
		const QPointF &	pos,
		QString	annotationString
	)		`[private]`

void QgsComposerMap::drawCoordinateAnnotations	(	QPainter *	p,
		const QList< QPair< double, QLineF > > &	hLines,
		const QList< QPair< double, QLineF > > &	vLines
	)		`[private]`

Draw coordinates for mGridAnnotationType Coordinate.

Parameters:

p	drawing painter
hLines	horizontal coordinate lines in item coordinates
vLines	vertical coordinate lines in item coordinates

Definition at line 1236 of file qgscomposermap.cpp.

References drawCoordinateAnnotation(), gridAnnotationString(), Latitude, and Longitude.

Referenced by drawGrid().

void QgsComposerMap::drawGrid ( QPainter * p ) [private]

Draws the map grid.

Definition at line 1054 of file qgscomposermap.cpp.

References drawCoordinateAnnotations(), drawGridFrame(), drawGridLine(), mCrossLength, mGridBlendMode, mGridFrameStyle, mGridStyle, mShowGridAnnotation, NoGridFrame, QgsSymbolLayerV2Utils::pointOnLineWithDistance(), Solid, xGridLines(), and yGridLines().

Referenced by paint().

void QgsComposerMap::drawGridFrame	(	QPainter *	p,
		const QList< QPair< double, QLineF > > &	hLines,
		const QList< QPair< double, QLineF > > &	vLines
	)		`[private]`

Definition at line 1147 of file qgscomposermap.cpp.

References Bottom, drawGridFrameBorder(), Left, Right, sortGridLinesOnBorders(), and Top.

Referenced by drawGrid().

void QgsComposerMap::drawGridFrameBorder	(	QPainter *	p,
		const QMap< double, double > &	borderPos,
		Border	border
	)		`[private]`

Definition at line 1190 of file qgscomposermap.cpp.

References Left, mGridFrameWidth, Right, and Top.

Referenced by drawGridFrame().

void QgsComposerMap::drawGridLine	(	const QLineF &	line,
		QPainter *	p
	)		`[private]`

Definition at line 1163 of file qgscomposermap.cpp.

References QgsComposerItem::mComposition, mGridLineSymbol, mPreviewMode, QgsComposition::printResolution(), Rectangle, QgsLineSymbolV2::renderPolyline(), QgsRenderContext::setPainter(), QgsRenderContext::setRasterScaleFactor(), QgsRenderContext::setScaleFactor(), QgsSymbolV2::startRender(), and QgsSymbolV2::stopRender().

Referenced by drawGrid().

QgsRectangle QgsComposerMap::extent ( ) const [inline]

Definition at line 176 of file qgscomposermap.h.

Referenced by QgsAtlasComposition::beginRender(), drawOverviewMapExtent(), QgsComposerAttributeTable::getFeatureAttributes(), QgsComposerScaleBar::mapWidth(), QgsComposerScaleBar::refreshSegmentMillimeters(), and setNewExtent().

void QgsComposerMap::extentChanged ( ) [signal]

Referenced by moveContent(), setNewScale(), setOverviewFrameMap(), setSceneRect(), and zoomContent().

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

Definition at line 2094 of file qgscomposermap.cpp.

References Bottom, Left, mBottomGridAnnotationDirection, mLeftGridAnnotationDirection, mRightGridAnnotationDirection, mTopGridAnnotationDirection, Right, and Top.

QFont QgsComposerMap::gridAnnotationFont ( ) const [inline]

Definition at line 247 of file qgscomposermap.h.

GridAnnotationFormat QgsComposerMap::gridAnnotationFormat ( ) const [inline]

Definition at line 278 of file qgscomposermap.h.

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

Definition at line 2050 of file qgscomposermap.cpp.

References Bottom, Left, mBottomGridAnnotationPosition, mLeftGridAnnotationPosition, mRightGridAnnotationPosition, mTopGridAnnotationPosition, Right, and Top.

int QgsComposerMap::gridAnnotationPrecision ( ) const [inline]

Definition at line 259 of file qgscomposermap.h.

QString QgsComposerMap::gridAnnotationString	(	double	value,
		AnnotationCoordinate	coord
	)		const `[private]`

Definition at line 1430 of file qgscomposermap.cpp.

References Decimal, DegreeMinute, Longitude, mGridAnnotationFormat, mGridAnnotationPrecision, QgsPoint::setX(), QgsPoint::setY(), QgsPoint::toDegreesMinutes(), and QgsPoint::toDegreesMinutesSeconds().

Referenced by drawCoordinateAnnotations(), and maxExtension().

QPainter::CompositionMode QgsComposerMap::gridBlendMode ( ) const [inline]

Returns the grid's blending mode.

Definition at line 339 of file qgscomposermap.h.

bool QgsComposerMap::gridEnabled ( ) const [inline]

Definition at line 204 of file qgscomposermap.h.

GridFrameStyle QgsComposerMap::gridFrameStyle ( ) const [inline]

Definition at line 283 of file qgscomposermap.h.

double QgsComposerMap::gridFrameWidth ( ) const [inline]

Definition at line 288 of file qgscomposermap.h.

double QgsComposerMap::gridIntervalX ( ) const [inline]

Definition at line 214 of file qgscomposermap.h.

double QgsComposerMap::gridIntervalY ( ) const [inline]

Definition at line 219 of file qgscomposermap.h.

QgsLineSymbolV2* QgsComposerMap::gridLineSymbol ( ) [inline]

Definition at line 336 of file qgscomposermap.h.

double QgsComposerMap::gridOffsetX ( ) const [inline]

Definition at line 224 of file qgscomposermap.h.

double QgsComposerMap::gridOffsetY ( ) const [inline]

Definition at line 229 of file qgscomposermap.h.

QPen QgsComposerMap::gridPen ( ) const

Definition at line 1623 of file qgscomposermap.cpp.

References QgsSymbolV2::color(), mGridLineSymbol, and QgsLineSymbolV2::width().

GridStyle QgsComposerMap::gridStyle ( ) const [inline]

Definition at line 209 of file qgscomposermap.h.

int QgsComposerMap::id ( ) const [inline]

Get identification number.

Reimplemented from QgsComposerItem.

Definition at line 123 of file qgscomposermap.h.

References QgsComposerItem::mId.

Referenced by QgsComposition::getComposerMapById(), QgsComposerPicture::rotationMap(), QgsComposerAttributeTable::writeXML(), QgsComposerPicture::writeXML(), QgsAtlasComposition::writeXML(), QgsComposerLegend::writeXML(), and QgsComposerScaleBar::writeXML().

void QgsComposerMap::initGridAnnotationFormatFromProject ( ) [private]

Definition at line 2238 of file qgscomposermap.cpp.

References Decimal, DegreeMinute, DegreeMinuteSecond, QGis::Degrees, QgsProject::instance(), QgsMapRenderer::mapUnits(), mGridAnnotationFormat, mMapRenderer, and QgsProject::readEntry().

Referenced by QgsComposerMap().

bool QgsComposerMap::isDrawing ( ) const [inline]

True if a draw is already in progress.

Definition at line 126 of file qgscomposermap.h.

Referenced by QgsComposerAttributeTable::paint(), and QgsComposition::removeComposerItem().

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.

Note:: this function was added in version 1.2

Definition at line 159 of file qgscomposermap.h.

QStringList QgsComposerMap::layerSet ( ) const [inline]

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

Note:: this function was added in version 1.2

Definition at line 166 of file qgscomposermap.h.

Referenced by readXML().

void QgsComposerMap::mapPolygon ( QPolygonF & poly ) const [private]

Returns the polygon of the map extent.

If rotation == 0, the result is the same as mExtent

Parameters:

poly	out: the result polygon with the four corner points. The points are clockwise, starting at the top-left point

Returns:: true in case of success

Definition at line 1730 of file qgscomposermap.cpp.

References mExtent, QgsComposerItem::mRotation, QgsComposerItem::rotate(), QgsPoint::x(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsPoint::y(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

Referenced by requestedExtent(), transformedMapPolygon(), xGridLines(), and yGridLines().

const QgsMapRenderer* QgsComposerMap::mapRenderer ( ) const [inline]

Definition at line 178 of file qgscomposermap.h.

Referenced by QgsAtlasComposition::beginRender(), QgsComposerAttributeTable::getFeatureAttributes(), and QgsComposerScaleBar::mapWidth().

QPointF QgsComposerMap::mapToItemCoords ( const QPointF & mapCoords ) const [private]

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

Definition at line 1857 of file qgscomposermap.cpp.

References QgsComposerItem::mRotation, QgsComposerItem::rotate(), transformedExtent(), transformedMapPolygon(), QgsPoint::x(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsPoint::y(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

Referenced by composerMapPosForItem(), xGridLines(), and yGridLines().

double QgsComposerMap::mapUnitsToMM ( ) const

Returns the conversion factor map units -> mm.

Definition at line 1789 of file qgscomposermap.cpp.

References mExtent, and QgsRectangle::width().

Referenced by cache(), QgsComposerLegend::drawSymbolV2(), paint(), and transformShift().

double QgsComposerMap::maxExtension ( ) const [private]

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.

Definition at line 438 of file qgscomposermap.cpp.

References cache(), extentChanged(), QgsComposerItem::itemChanged(), mDrawing, mExtent, QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), QgsRectangle::setYMinimum(), transformShift(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

QPainter::CompositionMode QgsComposerMap::overviewBlendMode ( ) const [inline]

Returns the overview's blending mode.

Definition at line 326 of file qgscomposermap.h.

int QgsComposerMap::overviewFrameMapId ( ) const [inline]

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

Note:: : this function was added in version 1.9

Definition at line 320 of file qgscomposermap.h.

QgsFillSymbolV2* QgsComposerMap::overviewFrameMapSymbol ( ) [inline]

Definition at line 323 of file qgscomposermap.h.

bool QgsComposerMap::overviewInverted ( ) const [inline]

Returns true if the overview frame is inverted.

Definition at line 331 of file qgscomposermap.h.

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

Reimplementation of QCanvasItem::paint - draw on canvas.

Definition at line 267 of file qgscomposermap.cpp.

References draw(), QgsComposerItem::drawBackground(), drawCanvasItems(), QgsComposerItem::drawFrame(), drawGrid(), drawOverviewMapExtent(), QgsComposerItem::drawSelectionBoxes(), QgsRectangle::height(), QgsComposerItem::horizontalViewScaleFactor(), mapUnitsToMM(), mCacheImage, QgsComposerItem::mComposition, mDrawing, mExtent, mGridEnabled, QgsComposerItem::mLastValidViewScaleFactor, mOverviewFrameMapId, mPreviewMode, QgsComposerItem::mRotation, mXOffset, mYOffset, QgsComposition::plotStyle(), QgsComposition::Postscript, QgsComposition::Preview, QgsComposition::Print, Rectangle, requestedExtent(), scale(), tr, QgsRectangle::width(), QgsPoint::x(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsPoint::y(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

PreviewMode QgsComposerMap::previewMode ( ) const [inline]

Definition at line 154 of file qgscomposermap.h.

Referenced by QgsComposition::addComposerMap(), QgsComposition::addItemsFromXML(), and readXML().

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

Implements QgsComposerItem.

Definition at line 832 of file qgscomposermap.cpp.

References QgsComposerItem::_readXML(), Cache, QgsLineSymbolV2::createSimple(), QgsMapRenderer::getCompositionMode(), QgsComposerItem::itemChanged(), layerSet(), QgsSymbolLayerV2Utils::loadSymbol(), mAnnotationFrameDistance, mBottomGridAnnotationDirection, mBottomGridAnnotationPosition, mCacheUpdated, mCrossLength, mDrawCanvasItems, mDrawing, mExtent, mGridAnnotationFont, mGridAnnotationFontColor, mGridAnnotationFormat, mGridAnnotationPrecision, mGridEnabled, mGridFrameStyle, mGridFrameWidth, mGridIntervalX, mGridIntervalY, mGridLineSymbol, mGridOffsetX, mGridOffsetY, mGridStyle, mId, mKeepLayerSet, mLayerSet, mLeftGridAnnotationDirection, mLeftGridAnnotationPosition, mNumCachedLayers, mOverviewFrameMapSymbol, mPreviewMode, mRightGridAnnotationDirection, mRightGridAnnotationPosition, mShowGridAnnotation, mTopGridAnnotationDirection, mTopGridAnnotationPosition, previewMode(), Rectangle, Render, QgsSymbolV2::setColor(), setGridBlendMode(), setOverviewBlendMode(), setOverviewFrameMap(), setOverviewInverted(), QgsLineSymbolV2::setWidth(), and updateBoundingRect().

Referenced by QgsComposition::addItemsFromXML().

void QgsComposerMap::renderModeUpdateCachedImage ( ) [slot]

Call updateCachedImage if item is in render mode.

Definition at line 408 of file qgscomposermap.cpp.

References mPreviewMode, Render, and updateCachedImage().

void QgsComposerMap::requestedExtent ( QgsRectangle & extent ) const [private]

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

Definition at line 1771 of file qgscomposermap.cpp.

References mapPolygon(), mExtent, QgsComposerItem::mRotation, QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), and QgsRectangle::setYMinimum().

Referenced by cache(), and paint().

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

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

Definition at line 429 of file qgscomposermap.cpp.

References setSceneRect(), and updateItem().

double QgsComposerMap::scale ( ) const

Scale.

Definition at line 421 of file qgscomposermap.cpp.

References QgsScaleCalculator::calculate(), QgsMapRenderer::mapUnits(), mExtent, mMapRenderer, QgsScaleCalculator::setDpi(), and QgsScaleCalculator::setMapUnits().

Referenced by draw(), paint(), QgsNumericScaleBarStyle::scaleText(), and setNewScale().

void QgsComposerMap::setAnnotationFontColor ( const QColor & c ) [inline]

Sets font color for grid annotations.

Note:: : this function was added in version 2.0

Definition at line 251 of file qgscomposermap.h.

void QgsComposerMap::setAnnotationFrameDistance ( double d ) [inline]

Sets distance between map frame and annotations.

Note:: this function was added in version 1.4

Definition at line 271 of file qgscomposermap.h.

void QgsComposerMap::setCacheUpdated ( bool u = false )

Definition at line 416 of file qgscomposermap.cpp.

References mCacheUpdated.

void QgsComposerMap::setCrossLength ( double l ) [inline]

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

Note:: this function was added in version 1.4

Definition at line 299 of file qgscomposermap.h.

void QgsComposerMap::setDrawCanvasItems ( bool b ) [inline]

Definition at line 309 of file qgscomposermap.h.

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

Definition at line 2070 of file qgscomposermap.cpp.

References Bottom, Left, mBottomGridAnnotationDirection, mLeftGridAnnotationDirection, mRightGridAnnotationDirection, mTopGridAnnotationDirection, Right, Top, and updateBoundingRect().

void QgsComposerMap::setGridAnnotationFont ( const QFont & f ) [inline]

Sets font for grid annotations.

Note:: this function was added in version 1.4

Definition at line 246 of file qgscomposermap.h.

void QgsComposerMap::setGridAnnotationFormat ( GridAnnotationFormat f ) [inline]

Definition at line 277 of file qgscomposermap.h.

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

Definition at line 2027 of file qgscomposermap.cpp.

References Bottom, Left, mBottomGridAnnotationPosition, mLeftGridAnnotationPosition, mRightGridAnnotationPosition, mTopGridAnnotationPosition, Right, Top, and updateBoundingRect().

void QgsComposerMap::setGridAnnotationPrecision ( int p ) [inline]

Sets coordinate precision for grid annotations.

Note:: this function was added in version 1.4

Definition at line 258 of file qgscomposermap.h.

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

Sets the grid's blending mode.

Definition at line 1635 of file qgscomposermap.cpp.

References QgsComposerItem::blendMode(), and mGridBlendMode.

Referenced by readXML().

void QgsComposerMap::setGridEnabled ( bool enabled ) [inline]

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

Note:: this function was added in version 1.4

Definition at line 203 of file qgscomposermap.h.

void QgsComposerMap::setGridFrameStyle ( GridFrameStyle style ) [inline]

Set grid frame style (NoGridFrame or Zebra)

Note:: : this function was added in version 1.9

Definition at line 282 of file qgscomposermap.h.

void QgsComposerMap::setGridFrameWidth ( double w ) [inline]

Set grid frame width.

Note:: : this function was added in version 1.9

Definition at line 287 of file qgscomposermap.h.

void QgsComposerMap::setGridIntervalX ( double interval ) [inline]

Sets coordinate interval in x-direction for composergrid.

Note:: this function was added in version 1.4

Definition at line 213 of file qgscomposermap.h.

void QgsComposerMap::setGridIntervalY ( double interval ) [inline]

Sets coordinate interval in y-direction for composergrid.

Note:: this function was added in version 1.4

Definition at line 218 of file qgscomposermap.h.

void QgsComposerMap::setGridLineSymbol ( QgsLineSymbolV2 * symbol )

Definition at line 1839 of file qgscomposermap.cpp.

References mGridLineSymbol.

void QgsComposerMap::setGridOffsetX ( double offset ) [inline]

Sets x-coordinate offset for composer grid.

Note:: this function was added in version 1.4

Definition at line 223 of file qgscomposermap.h.

void QgsComposerMap::setGridOffsetY ( double offset ) [inline]

Sets y-coordinate offset for composer grid.

Note:: this function was added in version 1.4

Definition at line 228 of file qgscomposermap.h.

void QgsComposerMap::setGridPen ( const QPen & p )

Sets the pen to draw composer grid.

Note:: this function was added in version 1.4

Definition at line 1617 of file qgscomposermap.cpp.

References setGridPenColor(), and setGridPenWidth().

void QgsComposerMap::setGridPenColor ( const QColor & c )

Sets the color of the grid pen.

Note:: this function was added in version 1.4

Definition at line 1609 of file qgscomposermap.cpp.

References mGridLineSymbol, and QgsSymbolV2::setColor().

Referenced by setGridPen().

void QgsComposerMap::setGridPenWidth ( double w )

Sets with of grid pen.

Note:: this function was added in version 1.4

Definition at line 1601 of file qgscomposermap.cpp.

References mGridLineSymbol, and QgsLineSymbolV2::setWidth().

Referenced by setGridPen().

void QgsComposerMap::setGridStyle ( GridStyle style ) [inline]

Sets coordinate grid style to solid or cross.

Note:: this function was added in version 1.4

Definition at line 208 of file qgscomposermap.h.

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.

Note:: this function was added in version 1.2

Definition at line 162 of file qgscomposermap.h.

void QgsComposerMap::setLayerSet ( const QStringList & layerSet ) [inline]

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

Note:: this function was added in version 1.2

Definition at line 169 of file qgscomposermap.h.

void QgsComposerMap::setMapCanvas ( QGraphicsView * canvas ) [inline]

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

Definition at line 307 of file qgscomposermap.h.

void QgsComposerMap::setMapRotation ( double r )

Definition at line 588 of file qgscomposermap.cpp.

References QgsComposerItem::itemChanged(), QgsComposerItem::rotationChanged(), and QgsComposerItem::setRotation().

void QgsComposerMap::setNewExtent ( const QgsRectangle & extent )

Sets new Extent and changes width, height (and implicitely also scale)

Definition at line 541 of file qgscomposermap.cpp.

References extent(), QgsRectangle::height(), mExtent, setSceneRect(), updateItem(), and QgsRectangle::width().

Referenced by QgsAtlasComposition::endRender(), and QgsAtlasComposition::prepareForFeature().

void QgsComposerMap::setNewScale ( double scaleDenominator )

Sets new scale and changes only mExtent.

Definition at line 558 of file qgscomposermap.cpp.

References cache(), extentChanged(), QgsComposerItem::itemChanged(), mCacheUpdated, mExtent, QgsRectangle::scale(), and scale().

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

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

Definition at line 582 of file qgscomposermap.cpp.

References mXOffset, and mYOffset.

Referenced by QgsComposerView::mouseMoveEvent(), and QgsComposerView::mouseReleaseEvent().

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

Sets the overview's blending mode.

Definition at line 1827 of file qgscomposermap.cpp.

References QgsComposerItem::blendMode(), and mOverviewBlendMode.

Referenced by readXML().

void QgsComposerMap::setOverviewFrameMap ( int mapId )

Sets overview frame map.

-1 disables the overview frame

Note:: : this function was added in version 1.9

Definition at line 1799 of file qgscomposermap.cpp.

References extentChanged(), QgsComposition::getComposerMapById(), QgsComposerItem::mComposition, mOverviewFrameMapId, and QgsComposerItem::repaint().

Referenced by readXML().

void QgsComposerMap::setOverviewFrameMapSymbol ( QgsFillSymbolV2 * symbol )

Definition at line 1821 of file qgscomposermap.cpp.

References mOverviewFrameMapSymbol.

void QgsComposerMap::setOverviewInverted ( bool inverted )

Sets the overview's inversion mode.

Definition at line 1833 of file qgscomposermap.cpp.

References mOverviewInverted.

Referenced by readXML().

void QgsComposerMap::setPreviewMode ( PreviewMode m )

Definition at line 576 of file qgscomposermap.cpp.

References QgsComposerItem::itemChanged(), and mPreviewMode.

Referenced by QgsComposition::addComposerMap(), and QgsComposition::addItemsFromXML().

void QgsComposerMap::setSceneRect ( const QRectF & rectangle ) [virtual]

Sets new scene rectangle bounds and recalculates hight and extent.

Reimplemented from QgsComposerItem.

Definition at line 522 of file qgscomposermap.cpp.

References extentChanged(), QgsComposerItem::itemChanged(), mCacheUpdated, mExtent, updateBoundingRect(), QgsRectangle::width(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), and QgsRectangle::yMinimum().

Referenced by QgsComposerMap(), resize(), and setNewExtent().

void QgsComposerMap::setShowGridAnnotation ( bool show ) [inline]

Sets flag if grid annotation should be shown.

Note:: this function was added in version 1.4

Definition at line 263 of file qgscomposermap.h.

bool QgsComposerMap::showGridAnnotation ( ) const [inline]

Definition at line 264 of file qgscomposermap.h.

void QgsComposerMap::sortGridLinesOnBorders	(	const QList< QPair< double, QLineF > > &	hLines,
		const QList< QPair< double, QLineF > > &	vLines,
		QMap< double, double > &	leftFrameEntries,
		QMap< double, double > &	rightFrameEntries,
		QMap< double, double > &	topFrameEntries,
		QMap< double, double > &	bottomFrameEntries
	)		const `[private]`

Definition at line 2114 of file qgscomposermap.cpp.

References borderForLineCoord(), Left, Right, and Top.

Referenced by drawGridFrame().

void QgsComposerMap::storeCurrentLayerSet ( )

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

Definition at line 1019 of file qgscomposermap.cpp.

References QgsMapRenderer::layerSet(), mLayerSet, and mMapRenderer.

void QgsComposerMap::syncLayerSet ( ) [private]

Removes layer ids from mLayerSet that are no longer present in the qgis main map.

Definition at line 1027 of file qgscomposermap.cpp.

References QgsMapLayerRegistry::instance(), QgsMapRenderer::layerSet(), QgsMapLayerRegistry::mapLayers(), mKeepLayerSet, mLayerSet, and mMapRenderer.

Referenced by updateCachedImage().

QgsRectangle QgsComposerMap::transformedExtent ( ) const [private]

Returns extent that considers mOffsetX / mOffsetY (during content move)

Definition at line 1661 of file qgscomposermap.cpp.

References mExtent, mXOffset, mYOffset, transformShift(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

Referenced by mapToItemCoords().

QPolygonF QgsComposerMap::transformedMapPolygon ( ) const [private]

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

Definition at line 1669 of file qgscomposermap.cpp.

References mapPolygon(), mXOffset, mYOffset, and transformShift().

Referenced by mapToItemCoords(), xGridLines(), and yGridLines().

void QgsComposerMap::transformShift	(	double &	xShift,
		double &	yShift
	)		const `[private]`

Scales a composer map shift (in MM) and rotates it by mRotation.

Parameters:

xShift	in: shift in x direction (in item units), out: xShift in map units
yShift	in: shift in y direction (in item units), out: yShift in map units

Definition at line 1845 of file qgscomposermap.cpp.

References mapUnitsToMM(), QgsComposerItem::mRotation, and QgsComposerItem::rotate().

Referenced by moveContent(), transformedExtent(), and transformedMapPolygon().

virtual int QgsComposerMap::type ( ) const [inline, virtual]

return correct graphics item type.

Added in v1.7

Reimplemented from QgsComposerItem.

Definition at line 54 of file qgscomposermap.h.

References QgsComposerItem::ComposerMap.

void QgsComposerMap::updateBoundingRect ( )

Updates the bounding rect of this item.

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

Note:: this function was added in version 1.4

Definition at line 1646 of file qgscomposermap.cpp.

References maxExtension(), and mCurrentRectangle.

Referenced by readXML(), setGridAnnotationDirection(), setGridAnnotationPosition(), and setSceneRect().

void QgsComposerMap::updateCachedImage ( void ) [slot]

Called if map canvas has changed.

Definition at line 400 of file qgscomposermap.cpp.

References cache(), mCacheUpdated, and syncLayerSet().

Referenced by connectUpdateSlot(), and renderModeUpdateCachedImage().

void QgsComposerMap::updateItem ( ) [virtual]

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

Reimplemented from QgsComposerItem.

Definition at line 595 of file qgscomposermap.cpp.

References cache(), mCacheUpdated, mPreviewMode, and Rectangle.

Referenced by resize(), and setNewExtent().

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

Implements QgsComposerItem.

Definition at line 706 of file qgscomposermap.cpp.

References QgsComposerItem::_writeXML(), Cache, QgsMapRenderer::getBlendModeEnum(), mAnnotationFrameDistance, mBottomGridAnnotationDirection, mBottomGridAnnotationPosition, mCrossLength, mDrawCanvasItems, mExtent, mGridAnnotationFont, mGridAnnotationFontColor, mGridAnnotationFormat, mGridAnnotationPrecision, mGridBlendMode, mGridEnabled, mGridFrameStyle, mGridFrameWidth, mGridIntervalX, mGridIntervalY, mGridLineSymbol, mGridOffsetX, mGridOffsetY, mGridStyle, mId, mKeepLayerSet, mLayerSet, mLeftGridAnnotationDirection, mLeftGridAnnotationPosition, mOverviewBlendMode, mOverviewFrameMapId, mOverviewFrameMapSymbol, mOverviewInverted, mPreviewMode, mRightGridAnnotationDirection, mRightGridAnnotationPosition, mShowGridAnnotation, mTopGridAnnotationDirection, mTopGridAnnotationPosition, Render, QgsSymbolLayerV2Utils::saveSymbol(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

int QgsComposerMap::xGridLines ( QList< QPair< double, QLineF > > & lines ) const [private]

Returns the grid lines with associated coordinate value.

Returns:: 0 in case of success

Definition at line 1466 of file qgscomposermap.cpp.

References mapPolygon(), mapToItemCoords(), mGridIntervalY, mGridOffsetY, QgsComposerItem::mRotation, qgsDoubleNear(), and transformedMapPolygon().

Referenced by drawGrid(), and maxExtension().

int QgsComposerMap::yGridLines ( QList< QPair< double, QLineF > > & lines ) const [private]

Returns the grid lines for the y-coordinates.

Not vertical in case of rotation

Returns:: 0 in case of success

Definition at line 1535 of file qgscomposermap.cpp.

References mapPolygon(), mapToItemCoords(), mGridIntervalX, mGridOffsetX, QgsComposerItem::mRotation, qgsDoubleNear(), and transformedMapPolygon().

Referenced by drawGrid(), and maxExtension().

void QgsComposerMap::zoomContent	(	int	delta,
		double	x,
		double	y
	)		`[virtual]`

Zoom content of map.

Parameters:

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

Reimplemented from QgsComposerItem.

Definition at line 454 of file qgscomposermap.cpp.

References cache(), extentChanged(), QgsComposerItem::itemChanged(), mDrawing, mExtent, QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), QgsRectangle::setYMinimum(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().