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hydroqguielementutil Namespace Reference Defines levels for z-buffering in views. Simple z-buffering, higher-z items obscure (are in front of) lower-z items (just like QCanvas) only z levels between Z_BACKGROUND and Z_FOREGROUND inclusively are painted. More... Classes class   Cov2d class   GuiElement2d class   IGuiElement   Anyone who wants to get painted should derive from this. More... class   IHumanManager   For managing the humans: allows display of messages and access to menus/tool-bars. More... class   IKnowsPlatformPosition2d   GUIs need to paint some things centred on a platform's position. Inheriting from this interface means that the GUI element knows where the platform is located. More... class   MouseEventManager   Manages sharing of mouse events: a global resource. More... class   PoseHistory class   ScopedSaver class   ShortcutKeyManager   manages sharing of shortcut keys (a global resource) between GuiElements. More... Functions void  paintOrigin (QPainter *p, const QColor &colour, float radius, float lineThickness=0.2)   Paint crosshairs with length of cross = 2 x radius. void  paintCylindricalPlatformPose (QPainter *p, float radius, float transparencyMultiplier=1.0, float minRadius=0.0)   As above but paints a circular platform. void  paintCubicPlatformPose (QPainter *p, float length, float width, float transparencyMultiplier, float minLength) void  paintUncertaintyWedge (QPainter *p, float ptt, float length)   Paints a little wedge of sidelength 'length' representing rotational uncertainty. void  paintCovarianceEllipse (QPainter *p, float pxx, float pxy, float pyy)   Paints 2-sigma ellipse for the position uncertainty. QColor  getTransparentVersion (const QColor &c, float transparencyMultiplier) QColor  getDarkVersion (const QColor &color)   Get a darker version of the given colour. void  paintWaypoint (QPainter *p, const QColor &fillColor, const QColor &drawColor, int targetHeading, float distanceTolerance, int headingTolerance)   Paint a waypoint with distance tolerance [m] as a circle and heading tolerance [deg] as a wedge around targetHeading [deg]. Detailed Description Defines levels for z-buffering in views. Simple z-buffering, higher-z items obscure (are in front of) lower-z items (just like QCanvas) only z levels between Z_BACKGROUND and Z_FOREGROUND inclusively are painted. Note: It's important that the paintable levels are 1->12 inclusive. If this changes, remember to change qgraphics2d also! Function Documentation QColor hydroqguielementutil::getTransparentVersion (  const QColor &  c, float  transparencyMultiplier = 0.5 )    Get a more transparent version of the given colour transparencyMultiplier=1.0 gives the same colour. void hydroqguielementutil::paintCubicPlatformPose (  QPainter *  p, float  length, float  width, float  transparencyMultiplier = 1.0, float  minLength = 0.0 )    Paints a rectangular robot icon. All physical units are in meters. The painter needs to be translated and rotated before calling this function. The robot's geometry extends around the painter's current position. If minLength is specified, the robot is never painted smaller than this, independent of the zoom configuration.

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