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0022738: Exception on destruction of Graphic3d_Structure

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APL 2011-09-30 06:56:53 +00:00 committed by bugmaster
parent 5e59c041fc
commit 6c8126b56f
3 changed files with 43 additions and 29 deletions
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9
src/Graphic3d/Graphic3d_Group.cdl
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@ -110,10 +110,17 @@
-- Category: Methods to modify the class definition -- Category: Methods to modify the class definition
--------------------------------------------------- ---------------------------------------------------
Clear ( me : mutable ) Clear ( me : mutable;
theUpdateStructureMgr : Boolean from Standard = Standard_True )
is static; is static;
---Level: Public ---Level: Public
---Purpose: Supress all primitives and attributes of <me>. ---Purpose: Supress all primitives and attributes of <me>.
-- To clear group without update in Graphic3d_StructureManager
-- pass Standard_False as <theUpdateStructureMgr>. This
-- used on context and viewer destruction, when the pointer
-- to structure manager in Graphic3d_Structure could be
-- already released (pointers are used here to avoid handle
-- cross-reference);
---Category: Methods to modify the class definition ---Category: Methods to modify the class definition
Destroy ( me : mutable ) Destroy ( me : mutable )

9
src/Graphic3d/Graphic3d_Group_1.cxx
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@ -27,8 +27,8 @@
//-Methods, in order //-Methods, in order
void Graphic3d_Group::Clear () { void Graphic3d_Group::Clear (Standard_Boolean theUpdateStructureMgr)
{
if (IsDeleted ()) return; if (IsDeleted ()) return;
MyCGroup.ContextLine.IsSet = 0, MyCGroup.ContextLine.IsSet = 0,
@ -59,8 +59,11 @@ void Graphic3d_Group::Clear () {
MyGraphicDriver->ClearGroup (MyCGroup); MyGraphicDriver->ClearGroup (MyCGroup);
// clear method could be used on Graphic3d_Structure destruction,
// and its structure manager could be already destroyed, in that
// case we don't need to update it;
if (theUpdateStructureMgr)
Update (); Update ();
} }
void Graphic3d_Group::Destroy () { void Graphic3d_Group::Destroy () {

8
src/Graphic3d/Graphic3d_Structure.cxx
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@ -261,10 +261,14 @@ void Graphic3d_Structure::Remove () {
Standard_Integer i, Length; Standard_Integer i, Length;
// clean groups in graphics driver at first // clean groups in graphics driver at first; this is also should be done
// to avoid unwanted group cleaning in group's destructor
// Pass Standard_False to Clear(..) method to avoid updating in
// structure manager, it isn't necessary, besides of it structure manager
// could be already destroyed and invalid pointers used in structure;
Length = MyGroups.Length(); Length = MyGroups.Length();
for (Standard_Integer aGrId = 1; aGrId <= Length; ++aGrId) for (Standard_Integer aGrId = 1; aGrId <= Length; ++aGrId)
MyGroups.ChangeValue (aGrId)->Clear(); MyGroups.ChangeValue (aGrId)->Clear (Standard_False);
// Standard_Address APtr = (void *) This ().operator->(); // Standard_Address APtr = (void *) This ().operator->();
Standard_Address APtr = (void *) this; Standard_Address APtr = (void *) this;