QGIS API Documentation
2.4.0-Chugiak
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An item that draws an arrow between to points. More...
#include <qgscomposerarrow.h>
Public Types | |
enum | MarkerMode { DefaultMarker, NoMarker, SVGMarker } |
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 } |
Public Member Functions | |
QgsComposerArrow (QgsComposition *c) | |
QgsComposerArrow (const QPointF &startPoint, const QPointF &stopPoint, QgsComposition *c) | |
~QgsComposerArrow () | |
virtual int | type () const |
return correct graphics item type. More... | |
void | paint (QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget) |
Reimplementation of QCanvasItem::paint - draw on canvas. More... | |
void | setSceneRect (const QRectF &rectangle) |
Modifies position of start and endpoint and calls QgsComposerItem::setSceneRect. More... | |
void | setArrowHeadWidth (double width) |
Sets the width of the arrow head in mm. More... | |
double | arrowHeadWidth () const |
void | setOutlineWidth (double width) |
double | outlineWidth () const |
void | setStartMarker (const QString &svgPath) |
QString | startMarker () const |
void | setEndMarker (const QString &svgPath) |
QString | endMarker () const |
QColor | arrowColor () const |
void | setArrowColor (const QColor &c) |
MarkerMode | markerMode () const |
void | setMarkerMode (MarkerMode mode) |
bool | writeXML (QDomElement &elem, QDomDocument &doc) const |
stores state in Dom element More... | |
bool | readXML (const QDomElement &itemElem, const QDomDocument &doc) |
sets state from Dom document More... | |
Public Member Functions inherited from QgsComposerItem | |
QgsComposerItem (QgsComposition *composition, bool manageZValue=true) | |
Constructor. More... | |
QgsComposerItem (qreal x, qreal y, qreal width, qreal height, QgsComposition *composition, bool manageZValue=true) | |
Constructor with box position and composer object. More... | |
virtual | ~QgsComposerItem () |
virtual void | setSelected (bool s) |
Set selected, selected item should be highlighted. More... | |
virtual bool | selected () const |
Is selected. More... | |
virtual bool | writeSettings () |
stores state in project More... | |
virtual bool | readSettings () |
read state from project More... | |
virtual bool | removeSettings () |
delete settings from project file More... | |
void | move (double dx, double dy) |
Moves item in canvas coordinates. More... | |
virtual void | moveContent (double dx, double dy) |
Move Content of item. More... | |
virtual void | zoomContent (int delta, double x, double y) |
Zoom content of item. More... | |
int | page () const |
Gets the page the item is currently on. More... | |
QPointF | pagePos () const |
Returns the item's position relative to its current page. More... | |
void | updatePagePos (double newPageWidth, double newPageHeight) |
Moves the item so that it retains its relative position on the page when the paper size changes. More... | |
void | setItemPosition (double x, double y, ItemPositionMode itemPoint=UpperLeft, int page=-1) |
Moves the item to a new position (in canvas coordinates) More... | |
void | setItemPosition (double x, double y, double width, double height, ItemPositionMode itemPoint=UpperLeft, bool posIncludesFrame=false, int page=-1) |
Sets item position and width / height in one go. More... | |
ItemPositionMode | lastUsedPositionMode () |
Returns item's last used position mode. More... | |
bool | _writeXML (QDomElement &itemElem, QDomDocument &doc) const |
Writes parameter that are not subclass specific in document. More... | |
bool | _readXML (const QDomElement &itemElem, const QDomDocument &doc) |
Reads parameter that are not subclass specific in document. More... | |
bool | hasFrame () const |
Whether this item has a frame or not. More... | |
void | setFrameEnabled (bool drawFrame) |
Set whether this item has a frame drawn around it or not. More... | |
virtual void | setFrameOutlineWidth (double outlineWidth) |
Sets frame outline width. More... | |
double | frameOutlineWidth () const |
Returns the frame's outline width. More... | |
Qt::PenJoinStyle | frameJoinStyle () const |
Returns the join style used for drawing the item's frame. More... | |
void | setFrameJoinStyle (Qt::PenJoinStyle style) |
Sets join style used when drawing the item's frame. More... | |
virtual double | estimatedFrameBleed () const |
Returns the estimated amount the item's frame bleeds outside the item's actual rectangle. More... | |
virtual QRectF | rectWithFrame () const |
Returns the item's rectangular bounds, including any bleed caused by the item's frame. More... | |
bool | hasBackground () const |
Whether this item has a Background or not. More... | |
void | setBackgroundEnabled (bool drawBackground) |
Set whether this item has a Background drawn around it or not. More... | |
QColor | backgroundColor () const |
Gets the background color for this item. More... | |
void | setBackgroundColor (const QColor &backgroundColor) |
Sets the background color for this item. More... | |
QPainter::CompositionMode | blendMode () const |
Returns the item's composition blending mode. More... | |
void | setBlendMode (QPainter::CompositionMode blendMode) |
Sets the item's composition blending mode. More... | |
int | transparency () const |
Returns the item's transparency. More... | |
void | setTransparency (int transparency) |
Sets the item's transparency. More... | |
bool | effectsEnabled () const |
Returns true if effects (eg blend modes) are enabled for the item. More... | |
void | setEffectsEnabled (bool effectsEnabled) |
Sets whether effects (eg blend modes) are enabled for the item. More... | |
virtual void | addItem (QgsComposerItem *item) |
Composite operations for item groups do nothing per default. More... | |
virtual void | removeItems () |
const QgsComposition * | composition () const |
QgsComposition * | composition () |
virtual void | beginItemCommand (const QString &text) |
void | beginCommand (const QString &commandText, QgsComposerMergeCommand::Context c=QgsComposerMergeCommand::Unknown) |
Starts new composer undo command. More... | |
virtual void | endItemCommand () |
void | endCommand () |
Finish current command and push it onto the undo stack. More... | |
void | cancelCommand () |
void | drawText (QPainter *p, double x, double y, const QString &text, const QFont &font) const |
Draws Text. More... | |
void | drawText (QPainter *p, const QRectF &rect, const QString &text, const QFont &font, Qt::AlignmentFlag halignment=Qt::AlignLeft, Qt::AlignmentFlag valignment=Qt::AlignTop, int flags=Qt::TextWordWrap) const |
Like the above, but with a rectangle for multiline text. More... | |
double | textWidthMillimeters (const QFont &font, const QString &text) const |
Returns the font width in millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More... | |
double | fontHeightCharacterMM (const QFont &font, const QChar &c) const |
Returns the font height of a character in millimeters. More... | |
double | fontAscentMillimeters (const QFont &font) const |
Returns the font ascent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More... | |
double | fontDescentMillimeters (const QFont &font) const |
Returns the font descent in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More... | |
double | fontHeightMillimeters (const QFont &font) const |
Returns the font height in Millimeters (considers upscaling and downscaling with FONT_WORKAROUND_SCALE. More... | |
double | pixelFontSize (double pointSize) const |
Calculates font to from point size to pixel size. More... | |
QFont | scaledFontPixelSize (const QFont &font) const |
Returns a font where size is in pixel and font size is upscaled with FONT_WORKAROUND_SCALE. More... | |
void | setPositionLock (bool lock) |
Locks / unlocks the item position for mouse drags. More... | |
bool | positionLock () const |
Returns position lock for mouse drags (true means locked) More... | |
double | itemRotation () const |
Returns the rotation for the composer item. More... | |
Q_DECL_DEPRECATED double | rotation () const |
Returns the rotation for the composer item. More... | |
virtual void | updateItem () |
Updates item, with the possibility to do custom update for subclasses. More... | |
QString | id () const |
Get item's id (which is not necessarly unique) More... | |
virtual void | setId (const QString &id) |
Set item's id (which is not necessarly unique) More... | |
QString | uuid () const |
Get item identification name. More... | |
virtual int | numberExportLayers () const |
Get the number of layers that this item requires for exporting as layers. More... | |
virtual void | setCurrentExportLayer (int layerIdx=-1) |
Sets the current layer to draw for exporting. More... | |
Private Types | |
enum | MarkerType { StartMarker, EndMarker } |
Private Member Functions | |
void | adaptItemSceneRect () |
Adapts the item scene rect to contain the start point, the stop point including the arrow marker and the outline. More... | |
double | computeMarkerMargin () const |
Computes the margin around the line necessary to include the markers. More... | |
void | drawHardcodedMarker (QPainter *p, MarkerType type) |
Draws the default marker at the line end. More... | |
void | drawSVGMarker (QPainter *p, MarkerType type, const QString &markerPath) |
Draws a user-defined marker (must be an svg file) More... | |
void | initGraphicsSettings () |
Apply default graphics settings. More... | |
Private Attributes | |
QPointF | mStartPoint |
QPointF | mStopPoint |
int | mStartXIdx |
Considering the rectangle as spanning [x[0], x[1]] x [y[0], y[1]], these indices specify which index {0, 1} corresponds to the start point coordinate of the respective dimension. More... | |
int | mStartYIdx |
QPen | mPen |
QBrush | mBrush |
double | mArrowHeadWidth |
Width of the arrow marker in mm. More... | |
double | mStartArrowHeadHeight |
Height of the arrow marker in mm. More... | |
double | mStopArrowHeadHeight |
QString | mStartMarkerFile |
Path to the start marker file. More... | |
QString | mEndMarkerFile |
Path to the end marker file. More... | |
MarkerMode | mMarkerMode |
Default marker, no marker or svg marker. More... | |
QColor | mArrowColor |
int | mBoundsBehaviour |
Indicates QGIS version to mimic bounding box behaviour for. More... | |
Additional Inherited Members | |
Public Slots inherited from QgsComposerItem | |
virtual void | setRotation (double r) |
Sets the item rotation. More... | |
virtual void | setItemRotation (double r, bool adjustPosition=false) |
Sets the item rotation. More... | |
void | repaint () |
Signals inherited from QgsComposerItem | |
void | itemRotationChanged (double newRotation) |
Is emitted on item rotation change. More... | |
void | itemChanged () |
Used e.g. More... | |
void | sizeChanged () |
Emitted if the rectangle changes. More... | |
void | frameChanged () |
Emitted if the item's frame style changes. More... | |
Protected Member Functions inherited from QgsComposerItem | |
virtual void | drawSelectionBoxes (QPainter *p) |
Draw selection boxes around item. More... | |
virtual void | drawFrame (QPainter *p) |
Draw black frame around item. More... | |
virtual void | drawBackground (QPainter *p) |
Draw background. More... | |
void | drawArrowHead (QPainter *p, double x, double y, double angle, double arrowHeadWidth) const |
Draws arrowhead. More... | |
double | angle (const QPointF &p1, const QPointF &p2) const |
Returns angle of the line from p1 to p2 (clockwise, starting at N) More... | |
double | rectHandlerBorderTolerance () const |
Returns the current (zoom level dependent) tolerance to decide if mouse position is close enough to the item border for resizing. More... | |
double | lockSymbolSize () const |
Returns the size of the lock symbol depending on the composer zoom level and the item size. More... | |
double | horizontalViewScaleFactor () const |
Returns the zoom factor of the graphics view. More... | |
bool | imageSizeConsideringRotation (double &width, double &height, double rotation) const |
Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation. More... | |
Q_DECL_DEPRECATED bool | imageSizeConsideringRotation (double &width, double &height) const |
Calculates width and hight of the picture (in mm) such that it fits into the item frame with the given rotation. More... | |
QRectF | largestRotatedRectWithinBounds (QRectF originalRect, QRectF boundsRect, double rotation) const |
Calculates the largest scaled version of originalRect which fits within boundsRect, when it is rotated by a specified amount. More... | |
bool | cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height, double rotation) const |
Calculates corner point after rotation and scaling. More... | |
Q_DECL_DEPRECATED bool | cornerPointOnRotatedAndScaledRect (double &x, double &y, double width, double height) const |
Calculates corner point after rotation and scaling. More... | |
void | sizeChangedByRotation (double &width, double &height, double rotation) |
Calculates width / height of the bounding box of a rotated rectangle. More... | |
Q_DECL_DEPRECATED void | sizeChangedByRotation (double &width, double &height) |
Calculates width / height of the bounding box of a rotated rectangle. More... | |
void | rotate (double angle, double &x, double &y) const |
Rotates a point / vector. More... | |
QGraphicsLineItem * | hAlignSnapItem () |
Return horizontal align snap item. More... | |
void | deleteHAlignSnapItem () |
QGraphicsLineItem * | vAlignSnapItem () |
Return vertical align snap item. More... | |
void | deleteVAlignSnapItem () |
void | deleteAlignItems () |
Protected Attributes inherited from QgsComposerItem | |
QgsComposition * | mComposition |
QgsComposerItem::MouseMoveAction | mCurrentMouseMoveAction |
QPointF | mMouseMoveStartPos |
Start point of the last mouse move action (in scene coordinates) More... | |
QPointF | mLastMouseEventPos |
Position of the last mouse move event (in scene coordinates) More... | |
QGraphicsRectItem * | mBoundingResizeRectangle |
Rectangle used during move and resize actions. More... | |
QGraphicsLineItem * | mHAlignSnapItem |
QGraphicsLineItem * | mVAlignSnapItem |
bool | mFrame |
True if item fram needs to be painted. More... | |
bool | mBackground |
True if item background needs to be painted. More... | |
QColor | mBackgroundColor |
Background color. More... | |
Qt::PenJoinStyle | mFrameJoinStyle |
Frame join style. More... | |
bool | mItemPositionLocked |
True if item position and size cannot be changed with mouse move. More... | |
double | mLastValidViewScaleFactor |
Backup to restore item appearance if no view scale factor is available. More... | |
double | mItemRotation |
Item rotation in degrees, clockwise. More... | |
QPainter::CompositionMode | mBlendMode |
Composition blend mode for item. More... | |
bool | mEffectsEnabled |
QgsComposerEffect * | mEffect |
int | mTransparency |
Item transparency. More... | |
ItemPositionMode | mLastUsedPositionMode |
The item's position mode. More... | |
int | mCurrentExportLayer |
The layer that needs to be exported. More... | |
An item that draws an arrow between to points.
Definition at line 26 of file qgscomposerarrow.h.
Enumerator | |
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DefaultMarker | |
NoMarker | |
SVGMarker |
Definition at line 30 of file qgscomposerarrow.h.
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Enumerator | |
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StartMarker | |
EndMarker |
Definition at line 82 of file qgscomposerarrow.h.
QgsComposerArrow::QgsComposerArrow | ( | QgsComposition * | c | ) |
Definition at line 26 of file qgscomposerarrow.cpp.
References initGraphicsSettings().
QgsComposerArrow::QgsComposerArrow | ( | const QPointF & | startPoint, |
const QPointF & | stopPoint, | ||
QgsComposition * | c | ||
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Definition at line 39 of file qgscomposerarrow.cpp.
References adaptItemSceneRect(), initGraphicsSettings(), mStartPoint, mStartXIdx, mStartYIdx, and mStopPoint.
QgsComposerArrow::~QgsComposerArrow | ( | ) |
Definition at line 53 of file qgscomposerarrow.cpp.
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Adapts the item scene rect to contain the start point, the stop point including the arrow marker and the outline.
Needs to be called whenever the arrow width/height, the outline with or the endpoints are changed
Definition at line 344 of file qgscomposerarrow.cpp.
References computeMarkerMargin(), mStartPoint, mStopPoint, and QgsComposerItem::setSceneRect().
Referenced by QgsComposerArrow(), readXML(), setArrowHeadWidth(), setEndMarker(), setMarkerMode(), setOutlineWidth(), and setStartMarker().
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Definition at line 62 of file qgscomposerarrow.h.
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Definition at line 52 of file qgscomposerarrow.h.
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Computes the margin around the line necessary to include the markers.
Definition at line 302 of file qgscomposerarrow.cpp.
References DefaultMarker, mArrowHeadWidth, mBoundsBehaviour, mMarkerMode, mPen, mStartArrowHeadHeight, mStopArrowHeadHeight, NoMarker, and SVGMarker.
Referenced by adaptItemSceneRect(), and setSceneRect().
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Draws the default marker at the line end.
Definition at line 138 of file qgscomposerarrow.cpp.
References QgsComposerItem::angle(), QgsComposerItem::drawArrowHead(), mArrowColor, mArrowHeadWidth, mBoundsBehaviour, mStartPoint, and mStopPoint.
Referenced by paint().
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Draws a user-defined marker (must be an svg file)
Definition at line 157 of file qgscomposerarrow.cpp.
References QgsComposerItem::angle(), QgsComposerItem::horizontalViewScaleFactor(), M_PI, mArrowHeadWidth, mBoundsBehaviour, QgsComposerItem::mComposition, mEndMarkerFile, mStartArrowHeadHeight, mStartMarkerFile, mStartPoint, mStopArrowHeadHeight, mStopPoint, QgsComposition::plotStyle(), QgsComposition::Preview, and StartMarker.
Referenced by paint().
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Definition at line 60 of file qgscomposerarrow.h.
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Apply default graphics settings.
Definition at line 58 of file qgscomposerarrow.cpp.
References mPen, and setArrowHeadWidth().
Referenced by QgsComposerArrow().
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Definition at line 65 of file qgscomposerarrow.h.
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Definition at line 55 of file qgscomposerarrow.h.
Referenced by writeXML().
void QgsComposerArrow::paint | ( | QPainter * | painter, |
const QStyleOptionGraphicsItem * | itemStyle, | ||
QWidget * | pWidget | ||
) |
Reimplementation of QCanvasItem::paint - draw on canvas.
Definition at line 69 of file qgscomposerarrow.cpp.
References DefaultMarker, QgsComposerItem::drawBackground(), QgsComposerItem::drawFrame(), drawHardcodedMarker(), QgsComposerItem::drawSelectionBoxes(), drawSVGMarker(), EndMarker, mArrowColor, mBoundsBehaviour, mEndMarkerFile, mMarkerMode, mPen, mStartMarkerFile, mStartPoint, mStopPoint, StartMarker, and SVGMarker.
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sets state from Dom document
itemElem | is Dom node corresponding to item tag |
doc | is the document to read |
Implements QgsComposerItem.
Definition at line 394 of file qgscomposerarrow.cpp.
References QgsComposerItem::_readXML(), adaptItemSceneRect(), QgsComposerItem::itemChanged(), mArrowColor, mArrowHeadWidth, mBoundsBehaviour, mMarkerMode, mPen, mStartPoint, mStartXIdx, mStartYIdx, mStopPoint, setEndMarker(), and setStartMarker().
Referenced by QgsComposition::addItemsFromXML().
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Definition at line 63 of file qgscomposerarrow.h.
void QgsComposerArrow::setArrowHeadWidth | ( | double | width | ) |
Sets the width of the arrow head in mm.
Definition at line 294 of file qgscomposerarrow.cpp.
References adaptItemSceneRect(), mArrowHeadWidth, mEndMarkerFile, mStartMarkerFile, setEndMarker(), and setStartMarker().
Referenced by initGraphicsSettings().
void QgsComposerArrow::setEndMarker | ( | const QString & | svgPath | ) |
Definition at line 272 of file qgscomposerarrow.cpp.
References adaptItemSceneRect(), mArrowHeadWidth, mEndMarkerFile, and mStopArrowHeadHeight.
Referenced by readXML(), and setArrowHeadWidth().
void QgsComposerArrow::setMarkerMode | ( | MarkerMode | mode | ) |
Definition at line 354 of file qgscomposerarrow.cpp.
References adaptItemSceneRect(), and mMarkerMode.
void QgsComposerArrow::setOutlineWidth | ( | double | width | ) |
Definition at line 288 of file qgscomposerarrow.cpp.
References adaptItemSceneRect(), and mPen.
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Modifies position of start and endpoint and calls QgsComposerItem::setSceneRect.
Reimplemented from QgsComposerItem.
Definition at line 109 of file qgscomposerarrow.cpp.
References computeMarkerMargin(), mStartPoint, mStartXIdx, mStartYIdx, mStopPoint, and QgsComposerItem::setSceneRect().
void QgsComposerArrow::setStartMarker | ( | const QString & | svgPath | ) |
Definition at line 256 of file qgscomposerarrow.cpp.
References adaptItemSceneRect(), mArrowHeadWidth, mStartArrowHeadHeight, and mStartMarkerFile.
Referenced by readXML(), and setArrowHeadWidth().
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Definition at line 58 of file qgscomposerarrow.h.
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return correct graphics item type.
Added in v1.7
Reimplemented from QgsComposerItem.
Definition at line 42 of file qgscomposerarrow.h.
References QgsComposerItem::ComposerArrow.
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stores state in Dom element
elem | is Dom element corresponding to 'Composer' tag |
doc | document |
Implements QgsComposerItem.
Definition at line 360 of file qgscomposerarrow.cpp.
References QgsComposerItem::_writeXML(), mArrowColor, mArrowHeadWidth, mBoundsBehaviour, mEndMarkerFile, mMarkerMode, mStartMarkerFile, mStartPoint, mStopPoint, and outlineWidth().
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Definition at line 112 of file qgscomposerarrow.h.
Referenced by drawHardcodedMarker(), paint(), readXML(), and writeXML().
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Width of the arrow marker in mm.
May be specified by the user. The height is automatically adapted
Definition at line 101 of file qgscomposerarrow.h.
Referenced by computeMarkerMargin(), drawHardcodedMarker(), drawSVGMarker(), readXML(), setArrowHeadWidth(), setEndMarker(), setStartMarker(), and writeXML().
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Indicates QGIS version to mimic bounding box behaviour for.
The line placement changed in version 2.4, so a value of 22 is used to indicate that the line should be drawn using the older placement routine.
Definition at line 116 of file qgscomposerarrow.h.
Referenced by computeMarkerMargin(), drawHardcodedMarker(), drawSVGMarker(), paint(), readXML(), and writeXML().
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Definition at line 98 of file qgscomposerarrow.h.
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Path to the end marker file.
Definition at line 109 of file qgscomposerarrow.h.
Referenced by drawSVGMarker(), paint(), setArrowHeadWidth(), setEndMarker(), and writeXML().
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Default marker, no marker or svg marker.
Definition at line 111 of file qgscomposerarrow.h.
Referenced by computeMarkerMargin(), paint(), readXML(), setMarkerMode(), and writeXML().
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Definition at line 97 of file qgscomposerarrow.h.
Referenced by computeMarkerMargin(), initGraphicsSettings(), paint(), readXML(), and setOutlineWidth().
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Height of the arrow marker in mm.
Is calculated from arrow marker width and apsect ratio of svg
Definition at line 103 of file qgscomposerarrow.h.
Referenced by computeMarkerMargin(), drawSVGMarker(), and setStartMarker().
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Path to the start marker file.
Definition at line 107 of file qgscomposerarrow.h.
Referenced by drawSVGMarker(), paint(), setArrowHeadWidth(), setStartMarker(), and writeXML().
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Definition at line 88 of file qgscomposerarrow.h.
Referenced by adaptItemSceneRect(), drawHardcodedMarker(), drawSVGMarker(), paint(), QgsComposerArrow(), readXML(), setSceneRect(), and writeXML().
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Considering the rectangle as spanning [x[0], x[1]] x [y[0], y[1]], these indices specify which index {0, 1} corresponds to the start point coordinate of the respective dimension.
Definition at line 94 of file qgscomposerarrow.h.
Referenced by QgsComposerArrow(), readXML(), and setSceneRect().
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Definition at line 95 of file qgscomposerarrow.h.
Referenced by QgsComposerArrow(), readXML(), and setSceneRect().
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Definition at line 104 of file qgscomposerarrow.h.
Referenced by computeMarkerMargin(), drawSVGMarker(), and setEndMarker().
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Definition at line 89 of file qgscomposerarrow.h.
Referenced by adaptItemSceneRect(), drawHardcodedMarker(), drawSVGMarker(), paint(), QgsComposerArrow(), readXML(), setSceneRect(), and writeXML().