1 // Created on: 1996-12-18
2 // Created by: Robert COUBLANC
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _AIS_InteractiveContext_HeaderFile
18 #define _AIS_InteractiveContext_HeaderFile
20 #include <AIS_DataMapOfIOStatus.hxx>
21 #include <AIS_DisplayMode.hxx>
22 #include <AIS_DisplayStatus.hxx>
23 #include <AIS_ClearMode.hxx>
24 #include <AIS_KindOfInteractive.hxx>
25 #include <AIS_ListOfInteractive.hxx>
26 #include <AIS_Selection.hxx>
27 #include <AIS_SelectionModesConcurrency.hxx>
28 #include <AIS_StatusOfDetection.hxx>
29 #include <AIS_StatusOfPick.hxx>
30 #include <AIS_TypeOfIso.hxx>
31 #include <Aspect_TypeOfFacingModel.hxx>
32 #include <Prs3d_Drawer.hxx>
33 #include <Prs3d_TypeOfHighlight.hxx>
34 #include <PrsMgr_PresentationManager3d.hxx>
35 #include <SelectMgr_IndexedMapOfOwner.hxx>
36 #include <SelectMgr_ListOfFilter.hxx>
37 #include <SelectMgr_PickingStrategy.hxx>
38 #include <Standard.hxx>
39 #include <Standard_Type.hxx>
40 #include <StdSelect_ViewerSelector3d.hxx>
41 #include <TCollection_AsciiString.hxx>
42 #include <TColgp_Array1OfPnt2d.hxx>
43 #include <TColStd_ListOfInteger.hxx>
44 #include <TopAbs_ShapeEnum.hxx>
45 #include <Quantity_Color.hxx>
47 class SelectMgr_SelectionManager;
49 class SelectMgr_OrFilter;
51 class TopLoc_Location;
52 class TCollection_ExtendedString;
53 class Prs3d_LineAspect;
54 class Prs3d_BasicAspect;
56 class SelectMgr_EntityOwner;
57 class SelectMgr_Filter;
59 //! The Interactive Context allows you to manage graphic behavior and selection of Interactive Objects in one or more viewers.
60 //! Class methods make this highly transparent.
61 //! It is essential to remember that an Interactive Object which is already known by the Interactive Context must be modified using Context methods.
62 //! You can only directly call the methods available for an Interactive Object if it has not been loaded into an Interactive Context.
64 //! Each selectable object must specify the selection mode that is
65 //! responsible for selection of object as a whole (global selection mode).
66 //! Interactive context itself supports decomposed object selection with selection filters support.
67 //! By default, global selection mode is equal to 0, but it might be redefined if needed.
68 class AIS_InteractiveContext : public Standard_Transient
70 DEFINE_STANDARD_RTTIEXT(AIS_InteractiveContext, Standard_Transient)
71 public: //! @name object display management
73 //! Constructs the interactive context object defined by the principal viewer MainViewer.
74 Standard_EXPORT AIS_InteractiveContext(const Handle(V3d_Viewer)& MainViewer);
77 Standard_EXPORT virtual ~AIS_InteractiveContext();
79 //! Returns the display status of the entity anIobj.
80 //! This will be one of the following:
81 //! - AIS_DS_Displayed displayed in main viewer
82 //! - AIS_DS_Erased hidden in main viewer
83 //! - AIS_DS_Temporary temporarily displayed
84 //! - AIS_DS_None nowhere displayed.
85 Standard_EXPORT AIS_DisplayStatus DisplayStatus (const Handle(AIS_InteractiveObject)& anIobj) const;
87 //! Returns the status of the Interactive Context for the view of the Interactive Object.
88 Standard_EXPORT void Status (const Handle(AIS_InteractiveObject)& anObj, TCollection_ExtendedString& astatus) const;
90 //! Returns true if Object is displayed in the interactive context.
91 Standard_EXPORT Standard_Boolean IsDisplayed (const Handle(AIS_InteractiveObject)& anIobj) const;
93 Standard_EXPORT Standard_Boolean IsDisplayed (const Handle(AIS_InteractiveObject)& aniobj, const Standard_Integer aMode) const;
95 //! Enable or disable automatic activation of default selection mode while displaying the object.
96 void SetAutoActivateSelection (const Standard_Boolean theIsAuto) { myIsAutoActivateSelMode = theIsAuto; }
98 //! Manages displaying the new object should also automatically activate default selection mode; TRUE by default.
99 Standard_Boolean GetAutoActivateSelection() const { return myIsAutoActivateSelMode; }
101 //! Displays the object in this Context using default Display Mode.
102 //! This will be the object's default display mode, if there is one. Otherwise, it will be the context mode.
103 //! The Interactive Object's default selection mode is activated if GetAutoActivateSelection() is TRUE. In general, this is 0.
104 Standard_EXPORT void Display (const Handle(AIS_InteractiveObject)& theIObj,
105 const Standard_Boolean theToUpdateViewer);
107 //! Sets status, display mode and selection mode for specified Object
108 //! If theSelectionMode equals -1, theIObj will not be activated: it will be displayed but will not be selectable.
109 Standard_EXPORT void Display (const Handle(AIS_InteractiveObject)& theIObj,
110 const Standard_Integer theDispMode,
111 const Standard_Integer theSelectionMode,
112 const Standard_Boolean theToUpdateViewer,
113 const AIS_DisplayStatus theDispStatus = AIS_DS_None);
115 //! Allows you to load the Interactive Object with a given selection mode,
116 //! and/or with the desired decomposition option, whether the object is visualized or not.
117 //! The loaded objects will be selectable but displayable in highlighting only when detected by the Selector.
118 Standard_EXPORT void Load (const Handle(AIS_InteractiveObject)& theObj, const Standard_Integer theSelectionMode = -1);
120 Standard_DEPRECATED("Deprecated method Display() with obsolete argument theToAllowDecomposition")
121 void Display (const Handle(AIS_InteractiveObject)& theIObj,
122 const Standard_Integer theDispMode,
123 const Standard_Integer theSelectionMode,
124 const Standard_Boolean theToUpdateViewer,
125 const Standard_Boolean theToAllowDecomposition,
126 const AIS_DisplayStatus theDispStatus = AIS_DS_None)
128 (void )theToAllowDecomposition;
129 Display (theIObj, theDispMode, theSelectionMode, theToUpdateViewer, theDispStatus);
132 Standard_DEPRECATED("Deprecated method Load() with obsolete last argument theToAllowDecomposition")
133 void Load (const Handle(AIS_InteractiveObject)& theObj, Standard_Integer theSelectionMode, Standard_Boolean ) { Load (theObj, theSelectionMode); }
135 //! Hides the object. The object's presentations are simply flagged as invisible and therefore excluded from redrawing.
136 //! To show hidden objects, use Display().
137 Standard_EXPORT void Erase (const Handle(AIS_InteractiveObject)& theIObj,
138 const Standard_Boolean theToUpdateViewer);
140 //! Hides all objects. The object's presentations are simply flagged as invisible and therefore excluded from redrawing.
141 //! To show all hidden objects, use DisplayAll().
142 Standard_EXPORT void EraseAll (const Standard_Boolean theToUpdateViewer);
144 //! Displays all hidden objects.
145 Standard_EXPORT void DisplayAll (const Standard_Boolean theToUpdateViewer);
147 //! Hides selected objects. The object's presentations are simply flagged as invisible and therefore excluded from redrawing.
148 //! To show hidden objects, use Display().
149 Standard_EXPORT void EraseSelected (const Standard_Boolean theToUpdateViewer);
151 //! Displays current objects.
152 Standard_EXPORT void DisplaySelected (const Standard_Boolean theToUpdateViewer);
154 //! Empties the graphic presentation of the mode indexed by aMode.
155 //! Warning! Removes theIObj. theIObj is still active if it was previously activated.
156 void ClearPrs (const Handle(AIS_InteractiveObject)& theIObj,
157 const Standard_Integer theMode,
158 const Standard_Boolean theToUpdateViewer) { ClearGlobalPrs (theIObj, theMode, theToUpdateViewer); }
160 //! Removes Object from every viewer.
161 Standard_EXPORT void Remove (const Handle(AIS_InteractiveObject)& theIObj,
162 const Standard_Boolean theToUpdateViewer);
164 //! Removes all the objects from Context.
165 Standard_EXPORT void RemoveAll (const Standard_Boolean theToUpdateViewer);
167 //! Recomputes the seen parts presentation of the Object.
168 //! If theAllModes equals true, all presentations are present in the object even if unseen.
169 Standard_EXPORT void Redisplay (const Handle(AIS_InteractiveObject)& theIObj,
170 const Standard_Boolean theToUpdateViewer,
171 const Standard_Boolean theAllModes = Standard_False);
173 //! Recomputes the Prs/Selection of displayed objects of a given type and a given signature.
174 //! if signature = -1 doesn't take signature criterion.
175 Standard_EXPORT void Redisplay (const AIS_KindOfInteractive theTypeOfObject,
176 const Standard_Integer theSignature,
177 const Standard_Boolean theToUpdateViewer);
179 //! Recomputes the displayed presentations, flags the others.
180 //! Doesn't update presentations.
181 Standard_EXPORT void RecomputePrsOnly (const Handle(AIS_InteractiveObject)& theIObj,
182 const Standard_Boolean theToUpdateViewer,
183 const Standard_Boolean theAllModes = Standard_False);
185 //! Recomputes the active selections, flags the others.
186 //! Doesn't update presentations.
187 Standard_EXPORT void RecomputeSelectionOnly (const Handle(AIS_InteractiveObject)& anIObj);
189 //! Updates displayed interactive object by checking and recomputing its flagged as "to be recomputed" presentation and selection structures.
190 //! This method does not force any recomputation on its own.
191 //! The method recomputes selections even if they are loaded without activation in particular selector.
192 Standard_EXPORT void Update (const Handle(AIS_InteractiveObject)& theIObj,
193 const Standard_Boolean theUpdateViewer);
195 public: //! @name highlighting management
197 //! Returns highlight style settings.
198 const Handle(Prs3d_Drawer)& HighlightStyle (const Prs3d_TypeOfHighlight theStyleType) const { return myStyles[theStyleType]; }
200 //! Setup highlight style settings.
201 void SetHighlightStyle (const Prs3d_TypeOfHighlight theStyleType,
202 const Handle(Prs3d_Drawer)& theStyle) { myStyles[theStyleType] = theStyle; }
204 //! Returns current dynamic highlight style settings.
206 //! - the color of dynamic highlight is Quantity_NOC_CYAN1;
207 //! - the presentation for dynamic highlight is completely opaque;
208 //! - the type of highlight is Aspect_TOHM_COLOR.
209 const Handle(Prs3d_Drawer)& HighlightStyle() const
211 return myStyles[Prs3d_TypeOfHighlight_Dynamic];
214 //! Setup the style of dynamic highlighting.
215 void SetHighlightStyle (const Handle(Prs3d_Drawer)& theStyle) { myStyles[Prs3d_TypeOfHighlight_Dynamic] = theStyle; }
217 //! Returns current selection style settings.
219 //! - the color of selection is Quantity_NOC_GRAY80;
220 //! - the presentation for selection is completely opaque;
221 //! - the type of highlight is Aspect_TOHM_COLOR.
222 const Handle(Prs3d_Drawer)& SelectionStyle() const
224 return myStyles[Prs3d_TypeOfHighlight_Selected];
227 //! Setup the style of selection highlighting.
228 void SetSelectionStyle (const Handle(Prs3d_Drawer)& theStyle) { myStyles[Prs3d_TypeOfHighlight_Selected] = theStyle; }
230 //! Returns highlight style of the object if it is marked as highlighted via global status
231 //! @param theObj [in] the object to check
232 Standard_EXPORT Standard_Boolean HighlightStyle (const Handle(AIS_InteractiveObject)& theObj,
233 Handle(Prs3d_Drawer)& theStyle) const;
235 //! Returns highlight style of the owner if it is selected
236 //! @param theOwner [in] the owner to check
237 Standard_EXPORT Standard_Boolean HighlightStyle (const Handle(SelectMgr_EntityOwner)& theOwner,
238 Handle(Prs3d_Drawer)& theStyle) const;
240 //! Returns true if the object is marked as highlighted via its global status
241 //! @param theObj [in] the object to check
242 Standard_EXPORT Standard_Boolean IsHilighted (const Handle(AIS_InteractiveObject)& theObj) const;
244 //! Returns true if the owner is marked as selected
245 //! @param theOwner [in] the owner to check
246 Standard_EXPORT Standard_Boolean IsHilighted (const Handle(SelectMgr_EntityOwner)& theOwner) const;
248 //! Updates the display in the viewer to take dynamic detection into account.
249 //! On dynamic detection by the mouse cursor, sensitive primitives are highlighted.
250 //! The highlight color of entities detected by mouse movement is white by default.
251 Standard_DEPRECATED("Deprecated method Hilight()")
252 void Hilight (const Handle(AIS_InteractiveObject)& theObj,
253 const Standard_Boolean theIsToUpdateViewer)
255 return HilightWithColor (theObj, myStyles[Prs3d_TypeOfHighlight_Dynamic], theIsToUpdateViewer);
258 //! Changes the color of all the lines of the object in view.
259 Standard_EXPORT void HilightWithColor (const Handle(AIS_InteractiveObject)& theObj,
260 const Handle(Prs3d_Drawer)& theStyle,
261 const Standard_Boolean theToUpdateViewer);
263 //! Removes hilighting from the Object.
264 Standard_EXPORT void Unhilight (const Handle(AIS_InteractiveObject)& theIObj,
265 const Standard_Boolean theToUpdateViewer);
267 public: //! @name object presence management (View affinity, Layer, Priority)
269 //! Returns the display priority of the Object.
270 Standard_EXPORT Standard_Integer DisplayPriority (const Handle(AIS_InteractiveObject)& theIObj) const;
272 //! Sets the display priority of the seen parts presentation of the Object.
273 Standard_EXPORT void SetDisplayPriority (const Handle(AIS_InteractiveObject)& theIObj, const Standard_Integer thePriority);
275 //! Get Z layer id set for displayed interactive object.
276 Standard_EXPORT Graphic3d_ZLayerId GetZLayer (const Handle(AIS_InteractiveObject)& theIObj) const;
278 //! Set Z layer id for interactive object.
279 //! The Z layers can be used to display temporarily presentations of some object in front of the other objects in the scene.
280 //! The ids for Z layers are generated by V3d_Viewer.
281 Standard_EXPORT void SetZLayer (const Handle(AIS_InteractiveObject)& theIObj, const Graphic3d_ZLayerId theLayerId);
283 //! Setup object visibility in specified view.
284 //! Has no effect if object is not displayed in this context.
285 Standard_EXPORT void SetViewAffinity (const Handle(AIS_InteractiveObject)& theIObj, const Handle(V3d_View)& theView, const Standard_Boolean theIsVisible);
287 public: //! @name Display Mode management
289 //! Returns the Display Mode setting to be used by default.
290 Standard_Integer DisplayMode() const { return myDefaultDrawer->DisplayMode(); }
292 //! Sets the display mode of seen Interactive Objects (which have no overridden Display Mode).
293 Standard_EXPORT void SetDisplayMode (const Standard_Integer theMode,
294 const Standard_Boolean theToUpdateViewer);
296 //! Sets the display mode of seen Interactive Objects.
297 //! theMode provides the display mode index of the entity theIObj.
298 Standard_EXPORT void SetDisplayMode (const Handle(AIS_InteractiveObject)& theIObj,
299 const Standard_Integer theMode,
300 const Standard_Boolean theToUpdateViewer);
302 //! Unsets the display mode of seen Interactive Objects.
303 Standard_EXPORT void UnsetDisplayMode (const Handle(AIS_InteractiveObject)& theIObj,
304 const Standard_Boolean theToUpdateViewer);
306 public: //! @name object local transformation management
308 //! Puts the location on the initial graphic representation and the selection for the Object.
309 Standard_EXPORT void SetLocation (const Handle(AIS_InteractiveObject)& theObject, const TopLoc_Location& theLocation);
311 //! Puts the Object back into its initial position.
312 Standard_EXPORT void ResetLocation (const Handle(AIS_InteractiveObject)& theObject);
314 //! Returns true if the Object has a location.
315 Standard_EXPORT Standard_Boolean HasLocation (const Handle(AIS_InteractiveObject)& theObject) const;
317 //! Returns the location of the Object.
318 Standard_EXPORT TopLoc_Location Location (const Handle(AIS_InteractiveObject)& theObject) const;
320 //! Sets transform persistence.
321 Standard_EXPORT void SetTransformPersistence (const Handle(AIS_InteractiveObject)& theObject,
322 const Handle(Graphic3d_TransformPers)& theTrsfPers);
324 Standard_DEPRECATED("This method is deprecated - SetTransformPersistence() taking Graphic3d_TransformPers should be called instead")
325 void SetTransformPersistence (const Handle(AIS_InteractiveObject)& theObj,
326 const Graphic3d_TransModeFlags& theFlag,
327 const gp_Pnt& thePoint = gp_Pnt (0.0, 0.0, 0.0))
329 SetTransformPersistence (theObj, Graphic3d_TransformPers::FromDeprecatedParams (theFlag, thePoint));
332 public: //! @name mouse picking logic (detection and dynamic highlighting of entities under cursor)
334 //! Setup pixel tolerance for MoveTo() operation.
336 Standard_EXPORT void SetPixelTolerance (const Standard_Integer thePrecision = 2);
338 //! Returns the pixel tolerance, default is 2.
339 //! Pixel Tolerance extends sensitivity within MoveTo() operation (picking by point)
340 //! and can be adjusted by application based on user input precision (e.g. screen pixel density, input device precision, etc.).
341 Standard_EXPORT Standard_Integer PixelTolerance() const;
343 //! Allows to manage sensitivity of a particular selection of interactive object theObject
344 //! and changes previous sensitivity value of all sensitive entities in selection with theMode
345 //! to the given theNewSensitivity.
346 Standard_EXPORT void SetSelectionSensitivity (const Handle(AIS_InteractiveObject)& theObject,
347 const Standard_Integer theMode,
348 const Standard_Integer theNewSensitivity);
350 //! Relays mouse position in pixels theXPix and theYPix to the interactive context selectors.
351 //! This is done by the view theView passing this position to the main viewer and updating it.
352 //! If theToRedrawOnUpdate is set to false, callee should call RedrawImmediate() to highlight detected object.
353 //! @sa PickingStrategy()
354 Standard_EXPORT AIS_StatusOfDetection MoveTo (const Standard_Integer theXPix,
355 const Standard_Integer theYPix,
356 const Handle(V3d_View)& theView,
357 const Standard_Boolean theToRedrawOnUpdate);
359 //! Clears the list of entities detected by MoveTo() and resets dynamic highlighting.
360 //! @param theToRedrawImmediate if TRUE, the main Viewer will be redrawn on update
361 //! @return TRUE if viewer needs to be updated (e.g. there were actually dynamically highlighted entities)
362 Standard_EXPORT Standard_Boolean ClearDetected (Standard_Boolean theToRedrawImmediate = Standard_False);
364 //! Returns true if there is a mouse-detected entity in context.
365 //! @sa DetectedOwner()/HasNextDetected()/HilightPreviousDetected()/HilightNextDetected().
366 Standard_Boolean HasDetected() const { return !myLastPicked.IsNull(); }
368 //! Returns the owner of the detected sensitive primitive which is currently dynamically highlighted.
369 //! WARNING! This method is irrelevant to InitDetected()/MoreDetected()/NextDetected().
370 //! @sa HasDetected()/HasNextDetected()/HilightPreviousDetected()/HilightNextDetected().
371 const Handle(SelectMgr_EntityOwner)& DetectedOwner() const { return myLastPicked; }
373 //! Returns the interactive objects last detected in context.
374 //! In general this is just a wrapper for Handle(AIS_InteractiveObject)::DownCast(DetectedOwner()->Selectable()).
375 //! @sa DetectedOwner()
376 Handle(AIS_InteractiveObject) DetectedInteractive() const { return Handle(AIS_InteractiveObject)::DownCast (myLastPicked->Selectable()); }
378 //! Returns true if there is a detected shape in local context.
379 //! @sa HasDetected()/DetectedShape()
380 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
381 Standard_EXPORT Standard_Boolean HasDetectedShape() const;
383 //! Returns the shape detected in local context.
384 //! @sa DetectedOwner()
385 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
386 Standard_EXPORT const TopoDS_Shape& DetectedShape() const;
388 //! returns True if other entities were detected in the last mouse detection
389 //! @sa HilightPreviousDetected()/HilightNextDetected().
390 Standard_Boolean HasNextDetected() const { return !myDetectedSeq.IsEmpty() && myCurHighlighted <= myDetectedSeq.Upper(); }
392 //! If more than 1 object is detected by the selector, only the "best" owner is hilighted at the mouse position.
393 //! This Method allows the user to hilight one after another the other detected entities.
394 //! If The method select is called, the selected entity will be the hilighted one!
395 //! WARNING: Loop Method. When all the detected entities have been hilighted, the next call will hilight the first one again.
396 //! @return the Rank of hilighted entity
397 //! @sa HasNextDetected()/HilightPreviousDetected().
398 Standard_EXPORT Standard_Integer HilightNextDetected (const Handle(V3d_View)& theView, const Standard_Boolean theToRedrawImmediate = Standard_True);
400 //! Same as previous methods in reverse direction.
401 //! @sa HasNextDetected()/HilightNextDetected().
402 Standard_EXPORT Standard_Integer HilightPreviousDetected (const Handle(V3d_View)& theView, const Standard_Boolean theToRedrawImmediate = Standard_True);
404 public: //! @name iteration through detected entities
406 //! Initialization for iteration through mouse-detected objects in
407 //! interactive context or in local context if it is opened.
408 //! @sa DetectedCurrentOwner()/MoreDetected()/NextDetected().
411 if (!myDetectedSeq.IsEmpty())
413 myCurDetected = myDetectedSeq.Lower();
417 //! Return TRUE if there is more mouse-detected objects after the current one
418 //! during iteration through mouse-detected interactive objects.
419 //! @sa DetectedCurrentOwner()/InitDetected()/NextDetected().
420 Standard_Boolean MoreDetected() const { return myCurDetected >= myDetectedSeq.Lower() && myCurDetected <= myDetectedSeq.Upper(); }
422 //! Gets next current object during iteration through mouse-detected interactive objects.
423 //! @sa DetectedCurrentOwner()/InitDetected()/MoreDetected().
424 void NextDetected() { ++myCurDetected; }
426 //! Returns the owner from detected list pointed by current iterator position.
427 //! WARNING! This method is irrelevant to DetectedOwner() which returns last picked Owner regardless of iterator position!
428 //! @sa InitDetected()/MoreDetected()/NextDetected().
429 Standard_EXPORT Handle(SelectMgr_EntityOwner) DetectedCurrentOwner() const;
431 public: //! @name Selection management
433 //! Sets the graphic basic aspect to the current presentation of ALL selected objects.
434 Standard_EXPORT void SetSelectedAspect (const Handle(Prs3d_BasicAspect)& theAspect,
435 const Standard_Boolean theToUpdateViewer);
437 //! Adds object in the selection.
438 Standard_EXPORT AIS_StatusOfPick AddSelect (const Handle(SelectMgr_EntityOwner)& theObject);
440 //! Adds object in the selection.
441 AIS_StatusOfPick AddSelect (const Handle(AIS_InteractiveObject)& theObject)
443 return AddSelect (theObject->GlobalSelOwner());
446 //! Selects everything found in the bounding rectangle defined by the pixel minima and maxima, XPMin, YPMin, XPMax, and YPMax in the view.
447 //! The objects detected are passed to the main viewer, which is then updated.
448 Standard_EXPORT AIS_StatusOfPick Select (const Standard_Integer theXPMin,
449 const Standard_Integer theYPMin,
450 const Standard_Integer theXPMax,
451 const Standard_Integer theYPMax,
452 const Handle(V3d_View)& theView,
453 const Standard_Boolean theToUpdateViewer);
455 //! polyline selection; clears the previous picked list
456 Standard_EXPORT AIS_StatusOfPick Select (const TColgp_Array1OfPnt2d& thePolyline,
457 const Handle(V3d_View)& theView,
458 const Standard_Boolean theToUpdateViewer);
460 //! Stores and hilights the previous detected; Unhilights the previous picked.
462 Standard_EXPORT AIS_StatusOfPick Select (const Standard_Boolean theToUpdateViewer);
464 //! Adds the last detected to the list of previous picked.
465 //! If the last detected was already declared as picked, removes it from the Picked List.
467 Standard_EXPORT AIS_StatusOfPick ShiftSelect (const Standard_Boolean theToUpdateViewer);
469 //! Adds the last detected to the list of previous picked.
470 //! If the last detected was already declared as picked, removes it from the Picked List.
471 Standard_EXPORT AIS_StatusOfPick ShiftSelect (const TColgp_Array1OfPnt2d& thePolyline,
472 const Handle(V3d_View)& theView,
473 const Standard_Boolean theToUpdateViewer);
475 //! Rectangle of selection; adds new detected entities into the picked list,
476 //! removes the detected entities that were already stored.
477 Standard_EXPORT AIS_StatusOfPick ShiftSelect (const Standard_Integer theXPMin,
478 const Standard_Integer theYPMin,
479 const Standard_Integer theXPMax,
480 const Standard_Integer theYPMax,
481 const Handle(V3d_View)& theView,
482 const Standard_Boolean theToUpdateViewer);
484 //! Fits the view correspondingly to the bounds of selected objects.
485 //! Infinite objects are ignored if infinite state of AIS_InteractiveObject is set to true.
486 Standard_EXPORT void FitSelected (const Handle(V3d_View)& theView,
487 const Standard_Real theMargin,
488 const Standard_Boolean theToUpdate);
490 //! Fits the view correspondingly to the bounds of selected objects.
491 //! Infinite objects are ignored if infinite state of AIS_InteractiveObject is set to true.
492 Standard_EXPORT void FitSelected (const Handle(V3d_View)& theView);
494 //! Return value specified whether selected object must be hilighted when mouse cursor is moved above it
496 Standard_Boolean ToHilightSelected() const { return myToHilightSelected; }
498 //! Specify whether selected object must be hilighted when mouse cursor is moved above it (in MoveTo method).
499 //! By default this value is false and selected object is not hilighted in this case.
501 void SetToHilightSelected (const Standard_Boolean toHilight) { myToHilightSelected = toHilight; }
503 //! Returns true if the automatic highlight mode is active; TRUE by default.
504 //! @sa MoveTo(), Select(), HilightWithColor(), Unhilight()
505 Standard_Boolean AutomaticHilight() const { return myAutoHilight; }
507 //! Sets the highlighting status of detected and selected entities.
508 //! This function allows you to disconnect the automatic mode.
510 //! MoveTo() will fill the list of detected entities
511 //! and Select() will set selected state to detected objects regardless of this flag,
512 //! but with disabled AutomaticHiligh() their highlighting state will be left unaffected,
513 //! so that application will be able performing custom highlighting in a different way, if needed.
515 //! This API should be distinguished from SelectMgr_SelectableObject::SetAutoHilight()
516 //! that is used to implement custom highlighting logic for a specific interactive object class.
518 //! @sa MoveTo(), Select(), HilightWithColor(), Unhilight()
519 void SetAutomaticHilight (Standard_Boolean theStatus) { myAutoHilight = theStatus; }
521 //! Unhighlights previously selected owners and marks them as not selected.
522 //! Marks owner given as selected and highlights it.
523 //! Performs selection filters check.
524 Standard_EXPORT void SetSelected (const Handle(SelectMgr_EntityOwner)& theOwners,
525 const Standard_Boolean theToUpdateViewer);
527 //! Puts the interactive object aniObj in the list of selected objects.
528 //! Performs selection filters check.
529 Standard_EXPORT void SetSelected (const Handle(AIS_InteractiveObject)& theObject,
530 const Standard_Boolean theToUpdateViewer);
532 //! Allows to highlight or unhighlight the owner given depending on its selection status
533 Standard_EXPORT void AddOrRemoveSelected (const Handle(AIS_InteractiveObject)& theObject,
534 const Standard_Boolean theToUpdateViewer);
536 //! Highlights selected objects.
537 Standard_EXPORT void HilightSelected (const Standard_Boolean theToUpdateViewer);
539 //! Removes highlighting from selected objects.
540 Standard_EXPORT void UnhilightSelected (const Standard_Boolean theToUpdateViewer);
542 //! Updates the list of selected objects:
543 //! i.e. highlights the newly selected ones and unhighlights previously selected objects.
544 //! @sa HilightSelected().
545 void UpdateSelected (Standard_Boolean theToUpdateViewer) { HilightSelected (theToUpdateViewer); }
547 //! Empties previous selected objects in order to get the selected objects detected by the selector using UpdateSelected.
548 Standard_EXPORT void ClearSelected (const Standard_Boolean theToUpdateViewer);
550 //! Allows to highlight or unhighlight the owner given depending on its selection status
551 Standard_EXPORT void AddOrRemoveSelected (const Handle(SelectMgr_EntityOwner)& theOwner,
552 const Standard_Boolean theToUpdateViewer);
554 //! Returns true is the owner given is selected
555 Standard_Boolean IsSelected (const Handle(SelectMgr_EntityOwner)& theOwner) const { return !theOwner.IsNull() && theOwner->IsSelected(); }
557 //! Returns true is the object given is selected
558 Standard_EXPORT Standard_Boolean IsSelected (const Handle(AIS_InteractiveObject)& theObj) const;
560 //! Returns the first selected object in the list of current selected.
561 Standard_EXPORT Handle(AIS_InteractiveObject) FirstSelectedObject() const;
563 //! Count a number of selected entities using InitSelected()+MoreSelected()+NextSelected() iterator.
564 //! @sa SelectedOwner()/InitSelected()/MoreSelected()/NextSelected().
565 Standard_Integer NbSelected() { return mySelection->Extent(); }
567 //! Initializes a scan of the selected objects.
568 //! @sa SelectedOwner()/MoreSelected()/NextSelected().
569 void InitSelected() { mySelection->Init(); }
571 //! Returns true if there is another object found by the scan of the list of selected objects.
572 //! @sa SelectedOwner()/InitSelected()/NextSelected().
573 Standard_Boolean MoreSelected() const { return mySelection->More(); }
575 //! Continues the scan to the next object in the list of selected objects.
576 //! @sa SelectedOwner()/InitSelected()/MoreSelected().
577 void NextSelected() { mySelection->Next(); }
579 //! Returns the owner of the selected entity.
580 //! @sa InitSelected()/MoreSelected()/NextSelected().
581 Handle(SelectMgr_EntityOwner) SelectedOwner() const
583 return !mySelection->More()
584 ? Handle(SelectMgr_EntityOwner)()
585 : mySelection->Value();
588 //! Return Handle(AIS_InteractiveObject)::DownCast (SelectedOwner()->Selectable()).
589 //! @sa SelectedOwner().
590 Handle(AIS_InteractiveObject) SelectedInteractive() const
592 return !mySelection->More()
593 ? Handle(AIS_InteractiveObject)()
594 : Handle(AIS_InteractiveObject)::DownCast (mySelection->Value()->Selectable());
597 //! Returns TRUE if the interactive context has a shape selected.
598 //! @sa SelectedShape().
599 Standard_EXPORT Standard_Boolean HasSelectedShape() const;
601 //! Returns the selected shape.
602 //! Basically it is just a shape returned stored by StdSelect_BRepOwner with graphic transformation being applied:
604 //! const Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast (SelectedOwner());
605 //! TopoDS_Shape aSelShape = aBRepOwner->Shape();
606 //! TopoDS_Shape aLocatedShape = aSelShape.Located (aBRepOwner->Location() * aSelShape.Location());
608 //! @sa SelectedOwner()/HasSelectedShape().
609 Standard_EXPORT TopoDS_Shape SelectedShape() const;
611 //! Returns SelectedInteractive()->HasOwner().
612 //! @sa SelectedOwner().
613 Standard_Boolean HasApplicative() const { return SelectedInteractive()->HasOwner(); }
615 //! Returns SelectedInteractive()->GetOwner().
616 //! @sa SelectedOwner().
617 Handle(Standard_Transient) Applicative() const { return SelectedInteractive()->GetOwner(); }
619 public: //! @name immediate mode rendering
621 //! initializes the list of presentations to be displayed
622 //! returns False if no local context is opened.
623 Standard_EXPORT Standard_Boolean BeginImmediateDraw();
625 //! returns True if <anIObj> has been stored in the list.
626 Standard_EXPORT Standard_Boolean ImmediateAdd (const Handle(AIS_InteractiveObject)& theObj, const Standard_Integer theMode = 0);
628 //! returns True if the immediate display has been done.
629 Standard_EXPORT Standard_Boolean EndImmediateDraw (const Handle(V3d_View)& theView);
631 //! Uses the First Active View of Main Viewer!
632 //! returns True if the immediate display has been done.
633 Standard_EXPORT Standard_Boolean EndImmediateDraw();
635 Standard_EXPORT Standard_Boolean IsImmediateModeOn() const;
637 //! Redraws immediate structures in all views of the viewer given taking into account its visibility.
638 void RedrawImmediate (const Handle(V3d_Viewer)& theViewer) { myMainPM->RedrawImmediate (theViewer); }
640 public: //! @name management of active Selection Modes
642 //! Activates or deactivates the selection mode for specified object.
643 //! Has no effect if selection mode was already active/deactivated.
644 //! @param theObj object to activate/deactivate selection mode
645 //! @param theMode selection mode to activate/deactivate;
646 //! deactivation of -1 selection mode will effectively deactivate all selection modes;
647 //! activation of -1 selection mode with AIS_SelectionModesConcurrency_Single
648 //! will deactivate all selection modes, and will has no effect otherwise
649 //! @param theToActivate activation/deactivation flag
650 //! @param theConcurrency specifies how to handle already activated selection modes;
651 //! default value (AIS_SelectionModesConcurrency_Multiple) means active selection modes should be left as is,
652 //! AIS_SelectionModesConcurrency_Single can be used if only one selection mode is expected to be active
653 //! and AIS_SelectionModesConcurrency_GlobalOrLocal can be used if either AIS_InteractiveObject::GlobalSelectionMode()
654 //! or any combination of Local selection modes is acceptable;
655 //! this value is considered only if theToActivate set to TRUE
656 //! @param theIsForce when set to TRUE, the display status will be ignored while activating selection mode
657 Standard_EXPORT void SetSelectionModeActive (const Handle(AIS_InteractiveObject)& theObj,
658 const Standard_Integer theMode,
659 const Standard_Boolean theToActivate,
660 const AIS_SelectionModesConcurrency theConcurrency = AIS_SelectionModesConcurrency_Multiple,
661 const Standard_Boolean theIsForce = Standard_False);
663 //! Activates the selection mode aMode whose index is given, for the given interactive entity anIobj.
664 void Activate (const Handle(AIS_InteractiveObject)& theObj, const Standard_Integer theMode = 0, const Standard_Boolean theIsForce = Standard_False)
666 SetSelectionModeActive (theObj, theMode, Standard_True, AIS_SelectionModesConcurrency_GlobalOrLocal, theIsForce);
669 //! Activates the given selection mode for the all displayed objects.
670 Standard_EXPORT void Activate (const Standard_Integer theMode,
671 const Standard_Boolean theIsForce = Standard_False);
673 //! Deactivates all the activated selection modes of an object.
674 void Deactivate (const Handle(AIS_InteractiveObject)& theObj)
676 SetSelectionModeActive (theObj, -1, Standard_False, AIS_SelectionModesConcurrency_Single);
679 //! Deactivates all the activated selection modes of the interactive object anIobj with a given selection mode aMode.
680 void Deactivate (const Handle(AIS_InteractiveObject)& theObj, const Standard_Integer theMode)
682 SetSelectionModeActive (theObj, theMode, Standard_False);
685 //! Deactivates the given selection mode for all displayed objects.
686 Standard_EXPORT void Deactivate (const Standard_Integer theMode);
688 //! Deactivates all the activated selection mode at all displayed objects.
689 Standard_EXPORT void Deactivate();
691 //! Returns the list of activated selection modes.
692 Standard_EXPORT void ActivatedModes (const Handle(AIS_InteractiveObject)& anIobj, TColStd_ListOfInteger& theList) const;
694 //! Returns a collection containing all entity owners created for the interactive object in specified selection mode (in all active modes if the Mode == -1)
695 Standard_EXPORT void EntityOwners (Handle(SelectMgr_IndexedMapOfOwner)& theOwners,
696 const Handle(AIS_InteractiveObject)& theIObj,
697 const Standard_Integer theMode = -1) const;
699 public: //! @name Selection Filters management
701 //! Returns the list of filters active in a local context.
702 Standard_EXPORT const SelectMgr_ListOfFilter& Filters() const;
704 //! Allows you to add the filter.
705 Standard_EXPORT void AddFilter (const Handle(SelectMgr_Filter)& theFilter);
707 //! Removes a filter from context.
708 Standard_EXPORT void RemoveFilter (const Handle(SelectMgr_Filter)& theFilter);
710 //! Remove all filters from context.
711 Standard_EXPORT void RemoveFilters();
713 //! Return picking strategy; SelectMgr_PickingStrategy_FirstAcceptable by default.
714 //! @sa MoveTo()/Filters()
715 SelectMgr_PickingStrategy PickingStrategy() const { return myPickingStrategy; }
717 //! Setup picking strategy - which entities detected by picking line will be accepted, considering Selection Filters.
718 //! By default (SelectMgr_PickingStrategy_FirstAcceptable), Selection Filters reduce the list of entities
719 //! so that the context accepts topmost in remaining.
721 //! This means that entities behind non-selectable (by filters) parts can be picked by user.
722 //! If this behavior is undesirable, and user wants that non-selectable (by filters) parts
723 //! should remain an obstacle for picking, SelectMgr_PickingStrategy_OnlyTopmost can be set instead.
725 //! Notice, that since Selection Manager operates only objects registered in it,
726 //! SelectMgr_PickingStrategy_OnlyTopmost will NOT prevent picking entities behind
727 //! visible by unregistered in Selection Manager presentations (e.g. deactivated).
728 //! Hence, SelectMgr_PickingStrategy_OnlyTopmost changes behavior only with Selection Filters enabled.
729 void SetPickingStrategy (const SelectMgr_PickingStrategy theStrategy)
731 myPickingStrategy = theStrategy;
734 public: //! @name common properties
736 //! Returns the default attribute manager.
737 //! This contains all the color and line attributes which can be used by interactive objects which do not have their own attributes.
738 const Handle(Prs3d_Drawer)& DefaultDrawer() const { return myDefaultDrawer; }
740 //! Returns the current viewer.
741 const Handle(V3d_Viewer)& CurrentViewer() const { return myMainVwr; }
743 const Handle(SelectMgr_SelectionManager)& SelectionManager() const { return mgrSelector; }
745 const Handle(PrsMgr_PresentationManager3d)& MainPrsMgr() const { return myMainPM; }
747 const Handle(StdSelect_ViewerSelector3d)& MainSelector() const { return myMainSel; }
749 //! Updates the current viewer.
750 Standard_EXPORT void UpdateCurrentViewer();
752 //! Returns the list of displayed objects of a particular Type WhichKind and Signature WhichSignature.
753 //! By Default, WhichSignature equals -1. This means that there is a check on type only.
754 Standard_EXPORT void DisplayedObjects (AIS_ListOfInteractive& aListOfIO) const;
756 //! gives the list of displayed objects of a particular Type and signature.
757 //! by Default, <WhichSignature> = -1 means control only on <WhichKind>.
758 Standard_EXPORT void DisplayedObjects (const AIS_KindOfInteractive theWhichKind, const Standard_Integer theWhichSignature, AIS_ListOfInteractive& theListOfIO) const;
760 //! Returns the list theListOfIO of erased objects (hidden objects) particular Type WhichKind and Signature WhichSignature.
761 //! By Default, WhichSignature equals 1. This means that there is a check on type only.
762 Standard_EXPORT void ErasedObjects (AIS_ListOfInteractive& theListOfIO) const;
764 //! gives the list of erased objects (hidden objects)
765 //! Type and signature by Default, <WhichSignature> = -1 means control only on <WhichKind>.
766 Standard_EXPORT void ErasedObjects (const AIS_KindOfInteractive theWhichKind, const Standard_Integer theWhichSignature, AIS_ListOfInteractive& theListOfIO) const;
768 //! Returns the list theListOfIO of objects with indicated display status particular Type WhichKind and Signature WhichSignature.
769 //! By Default, WhichSignature equals 1. This means that there is a check on type only.
770 Standard_EXPORT void ObjectsByDisplayStatus (const AIS_DisplayStatus theStatus, AIS_ListOfInteractive& theListOfIO) const;
772 //! gives the list of objects with indicated display status
773 //! Type and signature by Default, <WhichSignature> = -1 means control only on <WhichKind>.
774 Standard_EXPORT void ObjectsByDisplayStatus (const AIS_KindOfInteractive WhichKind, const Standard_Integer WhichSignature, const AIS_DisplayStatus theStatus, AIS_ListOfInteractive& theListOfIO) const;
776 //! fills <aListOfIO> with objects of a particular Type and Signature with no consideration of display status.
777 //! by Default, <WhichSignature> = -1 means control only on <WhichKind>.
778 //! if <WhichKind> = AIS_KOI_None and <WhichSignature> = -1, all the objects are put into the list.
779 Standard_EXPORT void ObjectsInside (AIS_ListOfInteractive& aListOfIO, const AIS_KindOfInteractive WhichKind = AIS_KOI_None, const Standard_Integer WhichSignature = -1) const;
781 //! Rebuilds 1st level of BVH selection forcibly
782 Standard_EXPORT void RebuildSelectionStructs();
784 //! Disconnects theObjToDisconnect from theAssembly and removes dependent selection structures
785 Standard_EXPORT void Disconnect (const Handle(AIS_InteractiveObject)& theAssembly, const Handle(AIS_InteractiveObject)& theObjToDisconnect = NULL);
787 //! Query objects visible or hidden in specified view due to affinity mask.
788 Standard_EXPORT void ObjectsForView (AIS_ListOfInteractive& theListOfIO, const Handle(V3d_View)& theView, const Standard_Boolean theIsVisibleInView, const AIS_DisplayStatus theStatus = AIS_DS_None) const;
790 //! Clears all the structures which don't belong to objects displayed at neutral point
791 //! only effective when no Local Context is opened...
792 //! returns the number of removed structures from the viewers.
793 Standard_EXPORT Standard_Integer PurgeDisplay();
795 public: //! @name debug visualization
797 //! Visualization of sensitives - for debugging purposes!
798 Standard_EXPORT void DisplayActiveSensitive (const Handle(V3d_View)& aView);
800 //! Clear visualization of sensitives.
801 Standard_EXPORT void ClearActiveSensitive (const Handle(V3d_View)& aView);
803 //! Visualization of sensitives - for debugging purposes!
804 Standard_EXPORT void DisplayActiveSensitive (const Handle(AIS_InteractiveObject)& anObject, const Handle(V3d_View)& aView);
806 public: //! @name common object display attributes
808 //! Sets the graphic attributes of the interactive object, such as visualization mode, color, and material.
809 Standard_EXPORT void SetLocalAttributes (const Handle(AIS_InteractiveObject)& theIObj,
810 const Handle(Prs3d_Drawer)& theDrawer,
811 const Standard_Boolean theToUpdateViewer);
813 //! Removes the settings for local attributes of the Object and returns to defaults.
814 Standard_EXPORT void UnsetLocalAttributes (const Handle(AIS_InteractiveObject)& theIObj,
815 const Standard_Boolean theToUpdateViewer);
817 //! change the current facing model apply on polygons for SetColor(), SetTransparency(), SetMaterial() methods default facing model is Aspect_TOFM_TWO_SIDE.
818 //! This mean that attributes is applying both on the front and back face.
819 Standard_EXPORT void SetCurrentFacingModel (const Handle(AIS_InteractiveObject)& aniobj, const Aspect_TypeOfFacingModel aModel = Aspect_TOFM_BOTH_SIDE);
821 //! Returns true if a view of the Interactive Object has color.
822 Standard_EXPORT Standard_Boolean HasColor (const Handle(AIS_InteractiveObject)& aniobj) const;
824 //! Returns the color of the Object in the interactive context.
825 Standard_EXPORT void Color (const Handle(AIS_InteractiveObject)& aniobj, Quantity_Color& acolor) const;
827 //! Sets the color of the selected entity.
828 Standard_EXPORT void SetColor (const Handle(AIS_InteractiveObject)& theIObj,
829 const Quantity_Color& theColor,
830 const Standard_Boolean theToUpdateViewer);
832 //! Removes the color selection for the selected entity.
833 Standard_EXPORT void UnsetColor (const Handle(AIS_InteractiveObject)& theIObj,
834 const Standard_Boolean theToUpdateViewer);
836 //! Returns the width of the Interactive Object in the interactive context.
837 Standard_EXPORT virtual Standard_Real Width (const Handle(AIS_InteractiveObject)& aniobj) const;
839 //! Sets the width of the Object.
840 Standard_EXPORT virtual void SetWidth (const Handle(AIS_InteractiveObject)& theIObj,
841 const Standard_Real theValue,
842 const Standard_Boolean theToUpdateViewer);
844 //! Removes the width setting of the Object.
845 Standard_EXPORT virtual void UnsetWidth (const Handle(AIS_InteractiveObject)& theIObj,
846 const Standard_Boolean theToUpdateViewer);
848 //! Provides the type of material setting for the view of the Object.
849 Standard_EXPORT void SetMaterial (const Handle(AIS_InteractiveObject)& theIObj,
850 const Graphic3d_MaterialAspect& theMaterial,
851 const Standard_Boolean theToUpdateViewer);
853 //! Removes the type of material setting for viewing the Object.
854 Standard_EXPORT void UnsetMaterial (const Handle(AIS_InteractiveObject)& theIObj,
855 const Standard_Boolean theToUpdateViewer);
857 //! Provides the transparency settings for viewing the Object.
858 //! The transparency value aValue may be between 0.0, opaque, and 1.0, fully transparent.
859 Standard_EXPORT void SetTransparency (const Handle(AIS_InteractiveObject)& theIObj,
860 const Standard_Real theValue,
861 const Standard_Boolean theToUpdateViewer);
863 //! Removes the transparency settings for viewing the Object.
864 Standard_EXPORT void UnsetTransparency (const Handle(AIS_InteractiveObject)& theIObj,
865 const Standard_Boolean theToUpdateViewer);
867 //! Sets up polygon offsets for the given AIS_InteractiveObject.
868 //! It simply calls AIS_InteractiveObject::SetPolygonOffsets().
869 Standard_EXPORT void SetPolygonOffsets (const Handle(AIS_InteractiveObject)& theIObj,
870 const Standard_Integer theMode,
871 const Standard_ShortReal theFactor,
872 const Standard_ShortReal theUnits,
873 const Standard_Boolean theToUpdateViewer);
875 //! Simply calls AIS_InteractiveObject::HasPolygonOffsets().
876 Standard_EXPORT Standard_Boolean HasPolygonOffsets (const Handle(AIS_InteractiveObject)& anObj) const;
878 //! Retrieves current polygon offsets settings for Object.
879 Standard_EXPORT void PolygonOffsets (const Handle(AIS_InteractiveObject)& anObj, Standard_Integer& aMode, Standard_ShortReal& aFactor, Standard_ShortReal& aUnits) const;
881 public: //! @name trihedron display attributes
883 //! Sets the size aSize of the trihedron.
884 //! Is used to change the default value 100 mm for display of trihedra.
885 //! Use of this function in one of your own interactive objects requires a call to the Compute function of the new class.
886 //! This will recalculate the presentation for every trihedron displayed.
887 Standard_EXPORT void SetTrihedronSize (const Standard_Real theSize,
888 const Standard_Boolean theToUpdateViewer);
890 //! returns the current value of trihedron size.
891 Standard_EXPORT Standard_Real TrihedronSize() const;
893 public: //! @name plane display attributes
895 //! Sets the plane size defined by the length in the X direction XSize and that in the Y direction YSize.
896 Standard_EXPORT void SetPlaneSize (const Standard_Real theSizeX,
897 const Standard_Real theSizeY,
898 const Standard_Boolean theToUpdateViewer);
900 //! Sets the plane size aSize.
901 Standard_EXPORT void SetPlaneSize (const Standard_Real theSize,
902 const Standard_Boolean theToUpdateViewer);
904 //! Returns true if the length in the X direction XSize is the same as that in the Y direction YSize.
905 Standard_EXPORT Standard_Boolean PlaneSize (Standard_Real& XSize, Standard_Real& YSize) const;
907 public: //! @name tessellation deviation properties for automatic triangulation
909 //! Sets the deviation coefficient theCoefficient.
910 //! Drawings of curves or patches are made with respect to a maximal chordal deviation.
911 //! A Deviation coefficient is used in the shading display mode.
912 //! The shape is seen decomposed into triangles.
913 //! These are used to calculate reflection of light from the surface of the object.
914 //! The triangles are formed from chords of the curves in the shape.
915 //! The deviation coefficient theCoefficient gives the highest value of the angle with which a chord can deviate from a tangent to a curve.
916 //! If this limit is reached, a new triangle is begun.
917 //! This deviation is absolute and is set through the method: SetMaximalChordialDeviation.
918 //! The default value is 0.001.
919 //! In drawing shapes, however, you are allowed to ask for a relative deviation.
920 //! This deviation will be: SizeOfObject * DeviationCoefficient.
921 Standard_EXPORT void SetDeviationCoefficient (const Handle(AIS_InteractiveObject)& theIObj,
922 const Standard_Real theCoefficient,
923 const Standard_Boolean theToUpdateViewer);
925 Standard_EXPORT void SetDeviationAngle (const Handle(AIS_InteractiveObject)& theIObj,
926 const Standard_Real theAngle,
927 const Standard_Boolean theToUpdateViewer);
929 //! Calls the AIS_Shape SetAngleAndDeviation to set both Angle and Deviation coefficients
930 Standard_EXPORT void SetAngleAndDeviation (const Handle(AIS_InteractiveObject)& theIObj,
931 const Standard_Real theAngle,
932 const Standard_Boolean theToUpdateViewer);
935 //! Sets the deviation coefficient aCoefficient for removal of hidden lines created by different viewpoints in different presentations.
936 //! The Default value is 0.02.
937 Standard_EXPORT void SetHLRDeviationCoefficient (const Handle(AIS_InteractiveObject)& theIObj,
938 const Standard_Real theCoefficient,
939 const Standard_Boolean theToUpdateViewer);
941 Standard_EXPORT void SetHLRDeviationAngle (const Handle(AIS_InteractiveObject)& theIObj,
942 const Standard_Real theAngle,
943 const Standard_Boolean theToUpdateViewer);
945 //! Computes a HLRAngle and a HLRDeviationCoefficient by means of the angle anAngle
946 //! and sets the corresponding methods in the default drawing tool with these values.
947 Standard_EXPORT void SetHLRAngleAndDeviation (const Handle(AIS_InteractiveObject)& theIObj,
948 const Standard_Real theAngle,
949 const Standard_Boolean theToUpdateViewer);
951 //! Sets the deviation coefficient theCoefficient.
952 //! Drawings of curves or patches are made with respect to a maximal chordal deviation.
953 //! A Deviation coefficient is used in the shading display mode.
954 //! The shape is seen decomposed into triangles.
955 //! These are used to calculate reflection of light from the surface of the object.
956 //! The triangles are formed from chords of the curves in the shape.
957 //! The deviation coefficient theCoefficient gives the highest value of the angle with which a chord can deviate from a tangent to a curve.
958 //! If this limit is reached, a new triangle is begun.
959 //! This deviation is absolute and is set through the method: SetMaximalChordialDeviation.
960 //! The default value is 0.001.
961 //! In drawing shapes, however, you are allowed to ask for a relative deviation.
962 //! This deviation will be: SizeOfObject * DeviationCoefficient.
963 Standard_EXPORT void SetDeviationCoefficient (const Standard_Real theCoefficient);
965 //! Returns the deviation coefficient.
966 //! Drawings of curves or patches are made with respect to a maximal chordal deviation.
967 //! A Deviation coefficient is used in the shading display mode.
968 //! The shape is seen decomposed into triangles.
969 //! These are used to calculate reflection of light from the surface of the object.
970 //! The triangles are formed from chords of the curves in the shape.
971 //! The deviation coefficient gives the highest value of the angle with which a chord can deviate from a tangent to a curve.
972 //! If this limit is reached, a new triangle is begun.
973 //! This deviation is absolute and is set through Prs3d_Drawer::SetMaximalChordialDeviation.
974 //! The default value is 0.001.
975 //! In drawing shapes, however, you are allowed to ask for a relative deviation.
976 //! This deviation will be: SizeOfObject * DeviationCoefficient.
977 Standard_EXPORT Standard_Real DeviationCoefficient() const;
979 //! default 12 degrees
980 Standard_EXPORT void SetDeviationAngle (const Standard_Real anAngle);
982 Standard_EXPORT Standard_Real DeviationAngle() const;
984 //! Sets the deviation coefficient aCoefficient for removal of hidden lines created by different viewpoints in different presentations.
985 //! The Default value is 0.02.
986 Standard_EXPORT void SetHLRDeviationCoefficient (const Standard_Real aCoefficient);
988 //! Returns the real number value of the hidden line removal deviation coefficient.
989 //! A Deviation coefficient is used in the shading display mode.
990 //! The shape is seen decomposed into triangles.
991 //! These are used to calculate reflection of light from the surface of the object.
992 //! The triangles are formed from chords of the curves in the shape.
993 //! The deviation coefficient give the highest value of the angle with which a chord can deviate from a tangent to a curve.
994 //! If this limit is reached, a new triangle is begun.
995 //! To find the hidden lines, hidden line display mode entails recalculation of the view at each different projector perspective.
996 //! Because hidden lines entail calculations of more than usual complexity to decompose them into these triangles,
997 //! a deviation coefficient allowing greater tolerance is used.
998 //! This increases efficiency in calculation.
999 //! The Default value is 0.02.
1000 Standard_EXPORT Standard_Real HLRDeviationCoefficient() const;
1002 //! Sets the HLR angle.
1003 Standard_EXPORT void SetHLRAngle (const Standard_Real theAngle);
1005 //! Returns the real number value of the deviation angle in hidden line removal views in this interactive context.
1006 //! The default value is 20*PI/180.
1007 Standard_EXPORT Standard_Real HLRAngle() const;
1009 //! compute with theAngle a HLRAngle and a HLRDeviationCoefficient
1010 //! and set them in myHLRAngle and in myHLRDeviationCoefficient of myDefaultDrawer;
1011 //! theAngle is in radian; ( 1 deg < angle in deg < 20 deg)
1012 Standard_EXPORT void SetHLRAngleAndDeviation (const Standard_Real theAngle);
1014 public: //! @name HLR (Hidden Line Removal) display attributes
1016 //! Initializes hidden line aspect in the default drawing tool, or Drawer.
1017 //! The default values are:
1018 //! Color: Quantity_NOC_YELLOW
1019 //! Type of line: Aspect_TOL_DASH
1021 Standard_EXPORT Handle(Prs3d_LineAspect) HiddenLineAspect() const;
1023 //! Sets the hidden line aspect anAspect.
1024 //! Aspect defines display attributes for hidden lines in HLR projections.
1025 Standard_EXPORT void SetHiddenLineAspect (const Handle(Prs3d_LineAspect)& anAspect) const;
1027 //! returns Standard_True if the hidden lines are to be drawn.
1028 //! By default the hidden lines are not drawn.
1029 Standard_EXPORT Standard_Boolean DrawHiddenLine() const;
1031 Standard_EXPORT void EnableDrawHiddenLine() const;
1033 Standard_EXPORT void DisableDrawHiddenLine() const;
1035 public: //! @name iso-line display attributes
1037 //! Sets the number of U and V isoparameters displayed.
1038 Standard_EXPORT void SetIsoNumber (const Standard_Integer NbIsos, const AIS_TypeOfIso WhichIsos = AIS_TOI_Both);
1040 //! Returns the number of U and V isoparameters displayed.
1041 Standard_EXPORT Standard_Integer IsoNumber (const AIS_TypeOfIso WhichIsos = AIS_TOI_Both);
1043 //! Returns True if drawing isoparameters on planes is enabled.
1044 Standard_EXPORT void IsoOnPlane (const Standard_Boolean SwitchOn);
1046 //! Returns True if drawing isoparameters on planes is enabled.
1047 //! if <forUIsos> = False,
1048 Standard_EXPORT Standard_Boolean IsoOnPlane() const;
1050 //! Enables or disables on-triangulation build for isolines for a particular object.
1051 //! In case if on-triangulation builder is disabled, default on-plane builder will compute isolines for the object given.
1052 Standard_EXPORT void IsoOnTriangulation (const Standard_Boolean theIsEnabled,
1053 const Handle(AIS_InteractiveObject)& theObject);
1055 //! Enables or disables on-triangulation build for isolines for default drawer.
1056 //! In case if on-triangulation builder is disabled, default on-plane builder will compute isolines for the object given.
1057 Standard_EXPORT void IsoOnTriangulation (const Standard_Boolean theToSwitchOn);
1059 //! Returns true if drawing isolines on triangulation algorithm is enabled.
1060 Standard_EXPORT Standard_Boolean IsoOnTriangulation() const;
1064 //! Updates the view of the current object in open context.
1065 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1066 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1067 void SetCurrentObject (const Handle(AIS_InteractiveObject)& theIObj,
1068 const Standard_Boolean theToUpdateViewer) { SetSelected (theIObj, theToUpdateViewer); }
1070 //! Allows to add or remove the object given to the list of current and highlight/unhighlight it correspondingly.
1071 //! Is valid for global context only; for local context use method AddOrRemoveSelected.
1072 //! Since this method makes sence only for neutral point selection of a whole object,
1073 //! if 0 selection of the object is empty this method simply does nothing.
1074 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1075 void AddOrRemoveCurrentObject (const Handle(AIS_InteractiveObject)& theObj,
1076 const Standard_Boolean theIsToUpdateViewer) { AddOrRemoveSelected (theObj, theIsToUpdateViewer); }
1078 //! Updates the list of current objects, i.e. hilights new current objects, removes hilighting from former current objects.
1079 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1080 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1081 void UpdateCurrent() { UpdateSelected (Standard_True); }
1083 //! Returns true if there is a non-null interactive object in Neutral Point.
1084 //! Objects selected when there is no open local context are called current objects;
1085 //! those selected in open local context, selected objects.
1086 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1087 Standard_Boolean IsCurrent (const Handle(AIS_InteractiveObject)& theObject) const { return IsSelected (theObject); }
1089 //! Initializes a scan of the current selected objects in Neutral Point.
1090 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1091 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1092 void InitCurrent() { InitSelected(); }
1094 //! Returns true if there is another object found by the scan of the list of current objects.
1095 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1096 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1097 Standard_Boolean MoreCurrent() const { return MoreSelected(); }
1099 //! Continues the scan to the next object in the list of current objects.
1100 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1101 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1102 void NextCurrent() { NextSelected(); }
1104 //! Returns the current interactive object.
1105 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1106 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1107 Handle(AIS_InteractiveObject) Current() const { return SelectedInteractive(); }
1109 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1110 Standard_Integer NbCurrents() { return NbSelected(); }
1112 //! Highlights current objects.
1113 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1114 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1115 void HilightCurrents (const Standard_Boolean theToUpdateViewer) { HilightSelected (theToUpdateViewer); }
1117 //! Removes highlighting from current objects.
1118 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1119 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1120 void UnhilightCurrents (const Standard_Boolean theToUpdateViewer) { UnhilightSelected (theToUpdateViewer); }
1122 //! Empties previous current objects in order to get the current objects detected by the selector using UpdateCurrent.
1123 //! Objects selected when there is no open local context are called current objects; those selected in open local context, selected objects.
1124 Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
1125 void ClearCurrents (const Standard_Boolean theToUpdateViewer) { ClearSelected (theToUpdateViewer); }
1127 //! @return current mouse-detected shape or empty (null) shape, if current interactive object
1128 //! is not a shape (AIS_Shape) or there is no current mouse-detected interactive object at all.
1129 //! @sa DetectedCurrentOwner()/InitDetected()/MoreDetected()/NextDetected().
1130 Standard_DEPRECATED ("Local Context is deprecated - ::DetectedCurrentOwner() should be called instead")
1131 Standard_EXPORT const TopoDS_Shape& DetectedCurrentShape() const;
1133 //! @return current mouse-detected interactive object or null object, if there is no currently detected interactives
1134 //! @sa DetectedCurrentOwner()/InitDetected()/MoreDetected()/NextDetected().
1135 Standard_DEPRECATED ("Local Context is deprecated - ::DetectedCurrentOwner() should be called instead")
1136 Standard_EXPORT Handle(AIS_InteractiveObject) DetectedCurrentObject() const;
1138 public: //! @name sub-intensity management (deprecated)
1140 //! Sub-intensity allows temporary highlighting of particular objects with specified color in a manner of selection highlight,
1141 //! but without actual selection (e.g., global status and owner's selection state will not be updated).
1142 //! The method returns the color of such highlighting.
1143 //! By default, it is Quantity_NOC_GRAY40.
1144 const Quantity_Color& SubIntensityColor() const
1146 return myStyles[Prs3d_TypeOfHighlight_SubIntensity]->Color();
1149 //! Sub-intensity allows temporary highlighting of particular objects with specified color in a manner of selection highlight,
1150 //! but without actual selection (e.g., global status and owner's selection state will not be updated).
1151 //! The method sets up the color for such highlighting.
1152 //! By default, this is Quantity_NOC_GRAY40.
1153 void SetSubIntensityColor (const Quantity_Color& theColor)
1155 myStyles[Prs3d_TypeOfHighlight_SubIntensity]->SetColor (theColor);
1158 //! Highlights, and removes highlights from, the displayed object which is displayed at Neutral Point with subintensity color.
1159 //! Available only for active local context.
1160 //! There is no effect if there is no local context.
1161 //! If a local context is open, the presentation of the Interactive Object activates the selection mode.
1162 Standard_EXPORT void SubIntensityOn (const Handle(AIS_InteractiveObject)& theIObj,
1163 const Standard_Boolean theToUpdateViewer);
1165 //! Removes the subintensity option for the entity.
1166 //! If a local context is open, the presentation of the Interactive Object activates the selection mode.
1167 Standard_EXPORT void SubIntensityOff (const Handle(AIS_InteractiveObject)& theIObj,
1168 const Standard_Boolean theToUpdateViewer);
1170 protected: //! @name internal methods
1172 Standard_EXPORT void GetDefModes (const Handle(AIS_InteractiveObject)& anIobj, Standard_Integer& Dmode, Standard_Integer& HiMod, Standard_Integer& SelMode) const;
1174 Standard_EXPORT void EraseGlobal (const Handle(AIS_InteractiveObject)& theIObj,
1175 const Standard_Boolean theToUpdateViewer);
1177 Standard_EXPORT void ClearGlobal (const Handle(AIS_InteractiveObject)& theIObj,
1178 const Standard_Boolean theToUpdateViewer);
1180 Standard_EXPORT void ClearGlobalPrs (const Handle(AIS_InteractiveObject)& theObj,
1181 const Standard_Integer theMode,
1182 const Standard_Boolean theToUpdateViewer);
1184 Standard_EXPORT void InitAttributes();
1186 Standard_EXPORT Standard_Integer PurgeViewer (const Handle(V3d_Viewer)& Vwr);
1189 Standard_EXPORT void redisplayPrsModes (const Handle(AIS_InteractiveObject)& theIObj,
1190 const Standard_Boolean theToUpdateViewer);
1193 Standard_EXPORT void redisplayPrsRecModes (const Handle(AIS_InteractiveObject)& theIObj,
1194 const Standard_Boolean theToUpdateViewer);
1196 //! Helper function to unhighlight all entity owners currently highlighted with seleciton color.
1197 Standard_EXPORT void unhighlightOwners (const Handle(AIS_InteractiveObject)& theObject);
1199 //! Helper function that highlights the owner given with <theStyle> without
1200 //! performing AutoHighlight checks, e.g. is used for dynamic highlight.
1201 Standard_EXPORT void highlightWithColor (const Handle(SelectMgr_EntityOwner)& theOwner,
1202 const Handle(V3d_Viewer)& theViewer = NULL);
1204 //! Helper function that highlights the owner given with <theStyle> with check
1205 //! for AutoHighlight, e.g. is used for selection.
1206 Standard_EXPORT void highlightSelected (const Handle(SelectMgr_EntityOwner)& theOwner);
1208 //! Helper function that highlights global owner of the object given with <theStyle> with check
1209 //! for AutoHighlight, e.g. is used for selection.
1210 //! If global owner is null, it simply highlights the whole object
1211 Standard_EXPORT void highlightGlobal (const Handle(AIS_InteractiveObject)& theObj,
1212 const Handle(Prs3d_Drawer)& theStyle,
1213 const Standard_Integer theDispMode) const;
1215 //! Helper function that unhighlights all owners that are stored in current AIS_Selection.
1216 //! The function updates global status and selection state of owner and interactive object.
1217 //! If the parameter <theIsToHilightSubIntensity> is set to true, interactive objects with sub-intensity
1218 //! switched on in AIS_GlobalStatus will be highlighted with context's sub-intensity color.
1219 Standard_EXPORT void unhighlightSelected (const Standard_Boolean theIsToHilightSubIntensity = Standard_False);
1221 //! Helper function that unhighlights global selection owner of given interactive.
1222 //! The function does not perform any updates of global or owner status
1223 Standard_EXPORT void unhighlightGlobal (const Handle(AIS_InteractiveObject)& theObj) const;
1225 //! Helper function that turns on sub-intensity in global status and highlights
1226 //! given objects with sub-intensity color
1227 //! @param theObject [in] the object. If NULL is given, than sub-intensity will be turned on for
1228 //! all inveractive objects of the context
1229 //! @param theDispMode [in] display mode. If -1 is given, sub-intensity will be turned on for
1230 //! all display modes in global status's list of modes
1231 //! @param theIsDisplayedOnly [in] is true if sub-intensity should be applied only to objects with
1232 //! status AIS_DS_Displayed
1233 Standard_EXPORT void turnOnSubintensity (const Handle(AIS_InteractiveObject)& theObject = NULL,
1234 const Standard_Integer theDispMode = -1,
1235 const Standard_Boolean theIsDisplayedOnly = Standard_True) const;
1237 //! Helper function that highlights the object with sub-intensity color without any checks
1238 //! @param theObject [in] the object that will be highlighted
1239 //! @param theMode [in] display mode
1240 Standard_EXPORT void highlightWithSubintensity (const Handle(AIS_InteractiveObject)& theObject,
1241 const Standard_Integer theMode) const;
1243 //! Helper function that highlights the owner with sub-intensity color without any checks
1244 //! @param theOwner [in] the owner that will be highlighted
1245 //! @param theMode [in] display mode
1246 Standard_EXPORT void highlightWithSubintensity (const Handle(SelectMgr_EntityOwner)& theOwner,
1247 const Standard_Integer theMode) const;
1249 //! Helper function that returns correct dynamic highlight style for the object:
1250 //! if custom style is defined via object's highlight drawer, it will be used. Otherwise,
1251 //! dynamic highlight style of interactive context will be returned.
1252 //! @param theObj [in] the object to check
1253 const Handle(Prs3d_Drawer)& getHiStyle (const Handle(AIS_InteractiveObject)& theObj,
1254 const Handle(SelectMgr_EntityOwner)& theOwner) const
1256 const Handle(Prs3d_Drawer)& aHiDrawer = theObj->DynamicHilightAttributes();
1257 if (!aHiDrawer.IsNull())
1262 return myStyles[!theOwner.IsNull() && theOwner->ComesFromDecomposition() ? Prs3d_TypeOfHighlight_LocalDynamic : Prs3d_TypeOfHighlight_Dynamic];
1265 //! Helper function that returns correct selection style for the object:
1266 //! if custom style is defined via object's highlight drawer, it will be used. Otherwise,
1267 //! selection style of interactive context will be returned.
1268 //! @param theObj [in] the object to check
1269 const Handle(Prs3d_Drawer)& getSelStyle (const Handle(AIS_InteractiveObject)& theObj,
1270 const Handle(SelectMgr_EntityOwner)& theOwner) const
1272 const Handle(Prs3d_Drawer)& aHiDrawer = theObj->HilightAttributes();
1273 if (!aHiDrawer.IsNull())
1278 return myStyles[!theOwner.IsNull() && theOwner->ComesFromDecomposition() ? Prs3d_TypeOfHighlight_LocalSelected : Prs3d_TypeOfHighlight_Selected];
1281 //! Assign the context to the object or throw exception if object was already assigned to another context.
1282 void setContextToObject (const Handle(AIS_InteractiveObject)& theObj)
1284 if (theObj->HasInteractiveContext())
1286 if (theObj->myCTXPtr != this)
1288 throw Standard_ProgramError("AIS_InteractiveContext - object has been already displayed in another context!");
1293 theObj->SetContext (this);
1297 //! Return display mode for highlighting.
1298 Standard_Integer getHilightMode (const Handle(AIS_InteractiveObject)& theObj,
1299 const Handle(Prs3d_Drawer)& theStyle,
1300 const Standard_Integer theDispMode) const
1302 if (!theStyle.IsNull()
1303 && theStyle->DisplayMode() != -1
1304 && theObj->AcceptDisplayMode (theStyle->DisplayMode()))
1306 return theStyle->DisplayMode();
1308 else if (theDispMode != -1)
1312 else if (theObj->HasDisplayMode())
1314 return theObj->DisplayMode();
1316 return myDefaultDrawer->DisplayMode();
1319 //! Removes dynamic highlight draw
1320 void clearDynamicHighlight() const
1322 if (myLastinMain.IsNull())
1325 if (myLastinMain->IsAutoHilight())
1327 myMainPM->ClearImmediateDraw();
1331 myLastinMain->Selectable()->ClearDynamicHighlight (myMainPM);
1335 protected: //! @name internal fields
1337 AIS_DataMapOfIOStatus myObjects;
1338 Handle(SelectMgr_SelectionManager) mgrSelector;
1339 Handle(PrsMgr_PresentationManager3d) myMainPM;
1340 Handle(V3d_Viewer) myMainVwr;
1341 Handle(StdSelect_ViewerSelector3d) myMainSel;
1342 Handle(SelectMgr_EntityOwner) myLastPicked;
1343 Handle(SelectMgr_EntityOwner) myLastinMain;
1344 Standard_Boolean myWasLastMain;
1345 Standard_Boolean myToHilightSelected;
1346 Handle(AIS_Selection) mySelection;
1347 Handle(SelectMgr_OrFilter) myFilters;
1348 Handle(Prs3d_Drawer) myDefaultDrawer;
1349 Handle(Prs3d_Drawer) myStyles[Prs3d_TypeOfHighlight_NB];
1350 TColStd_SequenceOfInteger myDetectedSeq;
1351 Standard_Integer myCurDetected;
1352 Standard_Integer myCurHighlighted;
1353 SelectMgr_PickingStrategy myPickingStrategy; //!< picking strategy to be applied within MoveTo()
1354 Standard_Boolean myAutoHilight;
1355 Standard_Boolean myIsAutoActivateSelMode;
1359 DEFINE_STANDARD_HANDLE(AIS_InteractiveContext, Standard_Transient)
1361 #endif // _AIS_InteractiveContext_HeaderFile