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VR-Forces 4.1 Class Documentation
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Symbols representing enclosed boxed areas. More...

Public Member Functions | |
| DtBoxSymbol (DtSymbolDrawer &drawer) | |
| Constructor. | |
| DtBoxSymbol (DtNullDrawer &drawer) | |
| Constructor. | |
| DtBoxSymbol (const DtBoxSymbol &orig) | |
| Copy Constructor. | |
| virtual | ~DtBoxSymbol () |
| Destructor. | |
| virtual DtSymbol * | clone () const |
| Create a clone of this symbol. | |
| virtual bool | setAndCalculatePoint (int iIndex, const QPoint &pnt) |
| Returns true to signal to redo any kind of label layout. | |
| virtual bool | adjustPoints (QPolygon &pnts, bool constrain) |
| Adjusts the list of points to match the box we need. | |
| virtual bool | setAndCalculatePoint (int iIndex, const DtPoint &pnt, QVector< DtPoint > *list) |
| No-op. | |
| virtual bool | keepAspectRatio () const |
| Returns true if all points need to be kept in line. By default, returns false. | |
Public Member Functions inherited from DtPolygonSymbol | |
| DtPolygonSymbol (DtSymbolDrawer &drawer) | |
| Constructor. | |
| DtPolygonSymbol (DtNullDrawer &drawer) | |
| Constructor. | |
| DtPolygonSymbol (const DtPolygonSymbol &orig) | |
| Copy Constructor. | |
| virtual | ~DtPolygonSymbol () |
| Destructor. | |
| virtual const DtDisplayPoint | centerPoint () const |
| get the center Point. | |
| virtual void | shift (QPoint p) |
| shift this polygon by p. | |
| virtual const QPoint | getPoint (int pointNum) const |
| Get a specific point in the polygon. | |
| virtual DtPolygonStyle | polygonStyle () const |
| virtual void | setPolygonStyle (DtPolygonStyle style) |
| virtual Qt::BrushStyle | patternStyle () const |
| virtual void | setPatternStyle (Qt::BrushStyle style) |
| virtual void | setAllowInsideSelection (bool b) |
| If set to true, will check if point is inside area, not just segments. | |
| bool | allowInsideSelection () const |
| virtual bool | select (const QPoint &aPoint) |
| If inside selection is enabled, see if point is in area if parent select returns false. | |
| bool | operator== (const DtPolygonSymbol &orig) const |
| bool | operator!= (const DtPolygonSymbol &orig) const |
| virtual bool | transparentCacheChanged () const |
Public Member Functions inherited from DtLineSymbol | |
| DtLineSymbol (DtSymbolDrawer &drawer) | |
| Constructors / assignment operator / destructor. | |
| DtLineSymbol (DtSymbolDrawer &drawer, const QPoint &startPoint, const QPoint &endPoint) | |
| DtLineSymbol (DtNullDrawer &drawer) | |
| DtLineSymbol (const DtLineSymbol &orig) | |
| DtLineSymbol & | operator= (const DtLineSymbol &orig) |
| virtual | ~DtLineSymbol () |
| virtual unsigned | width () const |
| Width of arrow that can be on the end of the line. | |
| virtual void | setWidth (unsigned w) |
| virtual void | setLineWidth (int i) |
| Width of line. Set to -1 to use drawer default. | |
| virtual void | setStartPosition (const QPoint &position) |
| Set/get the location of the start of the symbol. | |
| virtual QPoint | startPosition () const |
| virtual void | setEndPosition (const QPoint &position) |
| Set/get the location of the end of the symbol. | |
| virtual QPoint | endPosition () const |
| virtual void | setNumPoints (const int num) |
| virtual int | getNumPoints () const |
| virtual void | addPoint (const QPoint *pnt) |
| virtual void | insertPoint (int iIndex, const QPoint *pnt) |
| virtual void | removePoint (int iIndex) |
| virtual void | setPoint (int pointNum, const QPoint *pnt) |
| virtual bool | setLocationData (const QPolygon *pts) |
| This function is used so that multipoint symbols have the same interface as single point symbols In the single point case, it takes the first value and sets the origin from that. | |
| virtual const QPolygon * | getLocationData () const |
| Provided for a simpler interface to subclasses. | |
| virtual bool | selected () const |
| virtual bool | select (const QPoint &aPoint, const QSize &rectangleSize) |
| Returns true if the rectangle intersects the symbol, if the symbol is selectable. | |
| virtual void | reverseLine () |
| Invert the direction of this line. | |
| virtual void | setKnobSize (int i) |
| Accessors for point knob size (if this line can be modified) | |
| virtual int | knobSize () const |
| virtual void | setHighlight (const bool highlight) |
| Set/get the highlight flag (whether the symbol should be drawn highlighted). | |
| virtual bool | pointHighlighted () const |
| Returns true if there is a point selected. | |
| virtual int | pointSelected () const |
| Return the selected point. | |
| virtual void | selectPoint (int iPoint) |
| virtual void | clearSelection () |
| virtual bool | pointSelected (const QPoint &pnt) |
| Checks to see if the point supplied is in our knob area. | |
| virtual void | setLineSelected (bool b, int iSegment=-1) |
| Sets whether or not the line portion has been selected. | |
| virtual int | segmentSelected () const |
| virtual int | getNumVertexPoints () const |
| In vertex drawing mode, returns the number of vertex points to draw and the vertex point at the particular index. | |
| virtual const QPoint | getVertexPoint (int pointNum) const |
| virtual void | setCanAddPoint (bool b) |
| Set to false if cannot add or delete point. | |
| virtual bool | canAddPoint () const |
| virtual void | setFixedLength (int iLen) |
| Sets the fixed length of the line that will be used when calculating a point on the line. | |
| virtual DtArrowStyle | arrowStyle () const |
| virtual void | setArrowStyle (DtArrowStyle style) |
| Set the style of the lines being drawn. | |
| virtual void | setDrawVertexPoints (const QVector< int > pnts) |
| Sets which vertex points to draw. | |
| virtual int | getVertexOffset (int index) const |
| Returns the index of the point selected. | |
| virtual int | mapPointSelectedToIndex (int iPointSelected) const |
| Returns the true index of the point selected based on whether or not there is a vertex draw list. | |
| virtual void | setPenStyle (Qt::PenStyle style) |
| Accessors for pen style. By default SolidLine is the style. | |
| virtual Qt::PenStyle | penStyle () const |
| virtual bool | isSkipPoint (int pointNum) const |
| Returns true if point indicated is a skip point (0xFFFFFFFF, 0xFFFFFFFF) | |
| virtual bool | freehand () const |
| Sets whether or not this symbol should be treated in initial drawing in freehand mode. | |
| virtual void | setFreehand (bool b) |
| bool | operator== (const DtLineSymbol &orig) const |
| bool | operator!= (const DtLineSymbol &orig) const |
| virtual bool | originIsCenterOfMass () const |
| Returns true. | |
Public Member Functions inherited from DtColorizedSymbol | |
| DtColorizedSymbol (DtSymbolDrawer &d) | |
| Constructor. | |
| virtual | ~DtColorizedSymbol () |
| Destructor. | |
| DtColorizedSymbol (const DtColorizedSymbol &orig) | |
| Copy Constructor. | |
| DtColorizedSymbol & | operator= (const DtColorizedSymbol &rhs) |
| Assignment Operator. | |
| virtual QColor * | color () const |
| virtual void | setColor (const QColor &col) |
| Noop function to allow subclasses to override. | |
| virtual void | clearColor () |
| Noop function to allow subclasses to clear out any color information. | |
| bool | operator== (const DtColorizedSymbol &orig) const |
| bool | operator!= (const DtColorizedSymbol &orig) const |
| virtual int | lineWidth () const |
| Width of line. Set to -1 to use drawer default. | |
Public Member Functions inherited from DtSymbol | |
| virtual | ~DtSymbol () |
| destructor | |
| DtSymbol (const DtSymbol &orig) | |
| copy constructor | |
| DtSymbol & | operator= (const DtSymbol &orig) |
| assignment operator Note that the copy constructor, by default, make the symbol non editable even if the source is editable | |
| DtSymbol (DtSymbolDrawer &drawer) | |
| Drawer is non-const since it does memory management. | |
| virtual void | copyDataFrom (const DtSymbol *symbol) |
| Differs from the equal operator in that this method could copy a different set of data than the = operator. | |
| virtual void | setName (const QString &name) |
| The specific name of this symbol. | |
| virtual const QString & | name () const |
| virtual bool | highlight () const |
| virtual const DtDisplayPoint | topLeftPoint () const |
| The real visual top left corner of the symbol in display coordinates. | |
| virtual void | setOrigin (const QPoint ¢er) |
| Set the display coordinate that will become the 0,0 point for drawing this symbol. | |
| virtual void | setOrigin (int x, int y) |
| Same as above. | |
| virtual const QPoint | origin () const |
| returns the display origin for the symbol. | |
| virtual void | draw (QPainter &paint) const |
| virtual void | drawHidden (QPainter &paint) const |
| virtual const DtSymbolDrawer & | drawer () const |
| virtual QSize | bbox () const |
| the bounding box - this queries the drawer | |
| virtual QRect | brect () const |
| virtual QRect | selBbox () const |
| the selection box (area where you can select an item) | |
| virtual void | clearOffsetToParent () |
| Set/get the offset to the parent. | |
| virtual void | setOffsetToParent (const QPoint &offsetToParent) |
| virtual const QPoint * | offsetToParent () const |
| if the offsetToParent blit has been cleared, this returns null | |
| virtual bool | show (DtShowHideContext module) |
| Shows/hides the symbol. | |
| virtual bool | hide (DtShowHideContext module) |
| virtual void | show () |
| Use this method to show the symbol regardless of how many contexts have hidden it. | |
| virtual void | hide () |
| Use this method to hide a symbol without context. Same as hide(DtDefaultShowHideContext) | |
| virtual void | addIgnoreContext (DtShowHideContext) |
| Add/remove contexts for hide() to ignore. | |
| virtual void | removeIgnoreContext (DtShowHideContext) |
| const QVector < DtShowHideContext > & | ignoreContexts () const |
| virtual void | wasHidden (DtSymbol *) |
| The following two methods are only called if the parent is hidden Called when a child symbol of this symbol is hidden. | |
| virtual void | wasShown (DtSymbol *) |
| Called when a child symbol of this symbol is shown. | |
| virtual bool | isShown () const |
| virtual DtSymbol * | parent () const |
| virtual void | setParent (DtSymbol *dad) |
| virtual bool | isComposite () |
| -— Type information | |
| virtual DtSymbolGeometry | geometry () const |
| virtual void | setGeometry (DtSymbolGeometry geom) |
| virtual void | setCategoryTag (const QString &name) |
| A tag is the name of this type of symbol such as velocity vector name or force or whatever. | |
| virtual const QString & | categoryTag () const |
| virtual void | setSelectable (bool value) |
| Set/get the ability to select with this symbol. | |
| virtual bool | isSelectable () const |
| virtual void | setEditable (bool b) |
| Accessors for whether or not this line can be edited. | |
| virtual bool | editable () const |
| virtual void | setAllowEditOnSelection (bool b) |
| Sets the fact that even if this symbol is not marked editable, it can become editable upon selection (myHighlight is true) | |
| virtual bool | allowEditOnSelection () const |
| virtual void | setInternalSelectable (bool value) |
| The following two functions are internal values kept in order to make sure that if an object has been filter modified and not shown, that it will not be selectable. | |
| virtual bool | isInternalSelectable () const |
| virtual void | setAddToDrawOrder (bool b) |
| Add this item to the draw order regardless of whether or not it is visible on the screen. | |
| virtual bool | addToDrawOrder () const |
| virtual bool | overlapsSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoxPieces, const float aTolerance=0) const |
| Returns true if the two symbols overlap Different intersection tests are available. | |
| virtual bool | overlapsAreaSymbol (const DtSymbol &aSymbol, const DtSymbol_OverlapTest aTest=DtSymbol_BoxPieces, const float aTolerance=0) const |
| handles the case when aSymbol spans an area, such as a bitmap or a text symbol. | |
| virtual bool | overlapsLineSymbol (DtSymbol &aSymbol, const float aTolerance=0) const |
| handles the case when aSymbol is composed of line segments, such as a line, polygon, or route. | |
| virtual bool | isOriginal () const |
| Returns true if this symbol is an original symbol, otherwise return false. | |
| virtual DtStaticAnimData * | staticAnimData () const |
| virtual void | setDrawOnComposite (DtSymbolCompositeDrawOptions opt) |
| If true, will not draw this symbol if it is part of a composite symbol. | |
| virtual bool | drawOnComposite () const |
| virtual DtSymbolCompositeDrawOptions | drawOnCompositeValue () const |
| virtual bool | drawFirst () const |
| If true, this symbol will always be drawn first. | |
| virtual void | setDrawFirst (bool b) |
| virtual bool | drawLast () const |
| If true, this symbol will always be drawn last. | |
| virtual void | setDrawLast (bool b) |
| virtual bool | selectAdditionalSymbols (QList< DtSymbol * > &additionalSymbols) |
| This routine is called during symbol selection time to see if the selection of this symbol requires other symbols to be selected as well. | |
| virtual bool | forceUpdate () const |
| Override this function and return true if this symbol wants to update every tick regardless of performance enhancements. | |
| virtual void | setDragClone (DtSymbol *clone) |
| Contains the symbol that is being dragged that represents this symbol. | |
| virtual DtSymbol * | dragClone () const |
| virtual void | setScaleBy (double factor) |
| Scaling factors. | |
| virtual double | scaleBy () const |
| virtual bool | isScalable () const |
| Return true/false if this is a scalable symbol. By default returns false. | |
| virtual void | enableVisibilityChange (bool b) |
| virtual void | scheduleDisplayComplete (int) |
| Sets a QTimer for the specified amount of time to fire off and then call the displayComplete() slot. | |
| virtual void | setShouldSelect (bool) |
| virtual bool | shouldSelect () const |
| virtual void | setTransparencyLevel (int) |
| Transparency information. | |
| virtual int | transparencyLevel () const |
| virtual bool | needsTransparentRedraw () const |
| Will return true if there is no cached image or internal variables have changed such that the cached image needs a redraw. | |
| virtual QPixmap * | transparentImage () const |
| virtual QPixmap * | cacheTransparentImage (const QPixmap &pixmap) |
| virtual QPixmap * | cacheTransparentImage (const QImage &image) |
| virtual void | cacheTransparentVariables () |
| virtual bool | wantsTransparentDraw () const |
| Will return true if transparent percent is not 0 or 100. | |
| bool | operator== (const DtSymbol &orig) const |
| bool | operator!= (const DtSymbol &orig) const |
| virtual DtSymbolDrawer * | symbolDrawer () |
| Sets the new drawer to be the supplied drawer. | |
| virtual DtSymbolDrawer * | setDrawer (const DtSymbolDrawer &) |
| virtual DtSymbolDrawer & | backupDrawer () const |
| Returns the drawer that was set as a backup. | |
| virtual void | setBackupDrawer (DtSymbolDrawer *) |
| virtual bool | removeIfOffScreen () const |
| Return true/false if this symbol should be removed if it is off screen By default is true. | |
| void | setRemoveIfOffScreen (bool b) |
| Default is true. | |
| virtual void | setSymbolDisplayOptions (DtSymbolDisplayOptions *) |
| virtual const DtSymbolDisplayOptions * | symbolDisplayOptions () const |
| virtual DtSymbolDisplayOptions * | symbolDisplayOptions () |
| virtual int | displayOptionsCache () const |
| void | setAdjustPoints (bool) |
| bool | adjustPoints () const |
| const QVector < DtShowHideContext > & | hiddenByModules () const |
| Routines to access which modules this symbol is hidden by. | |
| bool | hiddenByModule (DtShowHideContext module) const |
| virtual void | blockSignals (bool) |
| Blocks signals from being emitted from this symbol. | |
| virtual void | setCacheSymbolAsBitmap (bool) |
| Get/set whether or not the drawer should cache this symbol as a bitmap. | |
| bool | cacheSymbolAsBitmap () const |
| virtual const QString & | bitmapSymbolCacheKey () const |
| Returns a cache key that can be used to lookup in a bitmap cache. | |
| virtual void | reset () |
| Resets any relevant information associated with this symbol. | |
| virtual bool | editMode () |
| Set/get the edit mode option to enable update properties when hidden because of edition. | |
| virtual void | setEditMode (bool onOff) |
Private Member Functions | |
| DtBoxSymbol () | |
| Not implemented. Private to ensure it is only constructed with a drawer. | |
Additional Inherited Members | |
Public Types inherited from DtPolygonSymbol | |
| enum | DtPolygonStyle { DtStyle_NoPolygon = 0, DtStyle_Outline, DtStyle_Fill, DtStyle_Pattern, DtStyle_PolygonStyle_MAX = 100 } |
Public Slots inherited from DtSymbol | |
| virtual void | invalidateStaticAnimData () |
| This gets called when modified symbols exist and the original symbol has been destroyed. | |
| virtual void | displayComplete () |
| Call when the display of this symbol is complete. | |
| virtual void | clearDragClone (QObject *) |
| Called when the drag clone is destroyed outside of this context, we will be notified in that case to clear out this symbols internal pointer. | |
Signals inherited from DtSymbol | |
| void | originalSymbolDestroyed () |
| Sent when an original symbol has been destroyed - (so that the drawer can remove that cache) | |
| void | destroyed (const DtSymbol *) |
| Called when we are destroyed, this will give our drawers a chance to update any cached information. | |
| void | originChanged (const DtSymbol *) |
| Sent when setOrigin is called with a different origin. | |
| void | visibilityChanged (const DtSymbol *) |
| Sent when visibility change sending is enabled and a symbol is shown or hidden when it wasn't before. | |
| void | displayComplete (const DtSymbol *) |
| Called from displayComplete() | |
Static Public Member Functions inherited from DtLineSymbol | |
| static double | calculateLineAngle (const QPoint &origin, const QPoint &end) |
| Returns angle of line (in radians) between 2 points. | |
Protected Member Functions inherited from DtPolygonSymbol | |
| virtual const DtDisplayPoint | calcCenterPoint () const |
Protected Attributes inherited from DtPolygonSymbol | |
| DtPolygonStyle | myPolygonStyle |
| Qt::BrushStyle | myBrushStyle |
| bool | myAllowInsideSelection |
Static Protected Attributes inherited from DtSymbol | |
| static DtNullDrawer | theNullDrawer |
Symbols representing enclosed boxed areas.
| DtBoxSymbol::DtBoxSymbol | ( | DtSymbolDrawer & | drawer | ) |
Constructor.
| DtBoxSymbol::DtBoxSymbol | ( | DtNullDrawer & | drawer | ) |
Constructor.
| DtBoxSymbol::DtBoxSymbol | ( | const DtBoxSymbol & | orig | ) |
Copy Constructor.
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virtual |
Destructor.
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private |
Not implemented. Private to ensure it is only constructed with a drawer.
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virtual |
Create a clone of this symbol.
Reimplemented from DtPolygonSymbol.
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virtual |
Returns true to signal to redo any kind of label layout.
Reimplemented from DtLineSymbol.
Adjusts the list of points to match the box we need.
Reimplemented from DtSymbol.
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virtual |
No-op.
Reimplemented from DtLineSymbol.
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virtual |
Returns true if all points need to be kept in line. By default, returns false.
Reimplemented from DtLineSymbol.