C++ NodeAttribute::SimpleCopy方法代码示例

CCAttrMap* CCAttrMap::Copy()
{
	CCAttrMap		   *pNewAttrMap = new CCAttrMap( GetCount() );
	if( pNewAttrMap != NULL )
	{
		// iterating all (key, value) pairs
		for( iterator Pos = GetStartPosition(); Pos != GetEndPosition(); )
		{
			CCRuntimeClass *pType;
			void	   *pVal;
			GetNextAssoc( Pos, pType, pVal );

			// Get the attribute value of this attribute
			NodeAttribute* pAttr = (NodeAttribute*)pVal;

			// Copy the attribute
			NodeAttribute* pNewAttr = (NodeAttribute*) (pAttr->SimpleCopy());

			// Stick the new attr into the new attr map
			if (pNewAttr != NULL)
				pNewAttrMap->SetAt(pNewAttr->GetAttributeType(),pNewAttr);
		}
	}

	pNewAttrMap->attrMapCreator = attrMapCreator;

	return pNewAttrMap;
}

BOOL NodeAttribute::Blend(BlendAttrParam* pBlendParam)
{
	// Check NULL entry param
	ERROR3IF(pBlendParam == NULL,"pBlendParam == NULL");
	if (pBlendParam == NULL) return FALSE;

	// Make a copy of this node, and make this the blended attribute
	NodeAttribute* pBlendedAttr = NULL;
	NodeAttribute* pAttrToCopy  = NULL;

	if (pBlendParam->GetBlendRatio() <= 0.5)
		pAttrToCopy = this;
	else
		pAttrToCopy = pBlendParam->GetOtherAttr();

	if (pAttrToCopy != NULL)
	{
		pBlendedAttr = (NodeAttribute*) pAttrToCopy->SimpleCopy();
		pBlendParam->SetBlendedAttr(pBlendedAttr);
	}

	// Return TRUE if we were able to make a copy of this node
	return (pBlendedAttr != NULL);
}

BOOL NodeRenderableInk::MakeAttributeComplete(Node* Root, 
											  BOOL CheckForDuplicates, 		  /* = TRUE */
											  AttrTypeSet* pAffectedAttrTypes, /* = NULL */ 
											  BOOL IncludeDefaults, /* = FALSE */
											  BOOL bIncludeEffectAttrs /* = FALSE */)
{
	Node* Current = NULL;  // Pointer to the current node in the tree 

	NodeAttribute* CurAttr;
	CCRuntimeClass* AttrType;
	BOOL Exists; 

	Node* PreFirstChild = FindFirstChild(); // Remember the FirstChild of the node before we add
										    // any new attributes, this will come in handy if we
										    // need to abort.

	// Loop until all attributes are copied, we are not interested in the defaults cos these are the
	// same for all docs !.
	if (bIncludeEffectAttrs)
		Current = NodeAttribute::FindFirstAppliedAttr(this, Root);
	else
		Current = NodeAttribute::FindPrevAppliedAttr(this, Root);

	while (Current && (IncludeDefaults || (!(IS_A(Current->FindParent(), NodeDocument)))) )
	{
		// Find the next node, snaking up the tree
		if (Current->IsAnAttribute())
		{
			CurAttr = (NodeAttribute*)Current;
			if (CurAttr->CanBeAppliedToObject() && CurAttr->ShouldBeOptimized())
			{
				AttrType = CurAttr->GetAttributeType();

				BOOL Required = RequiresAttrib(AttrType) || this->IsCompound();
				// Is the attribute required ?
				if (Required && (!pAffectedAttrTypes || pAffectedAttrTypes->InSet(AttrType)))
				{
					Exists = FALSE; 
					if (CheckForDuplicates)
					{
						// triggers can have duplicates
						if(!CurAttr->CanBeMultiplyApplied())
						{
							// Does the node already have this child attribute
							Exists = (GetChildAttrOfType(AttrType) != NULL);
						}
					}

					#ifdef _DEBUG
					if (!CheckForDuplicates)
					{
						// If we feel there is no need to check for duplicates then there shouldn't be any !
						if (!CurAttr->CanBeMultiplyApplied())
						{
							NodeAttribute* pChildAttr = GetChildAttrOfType(AttrType);
							if ((pChildAttr != NULL))
							{
#if DEBUG_TREE
								DebugTreeDlg::DumpSubTree(this, 4);
#endif
								TRACE(_T("Duplicate Attr found at %x %s\n"), pChildAttr, pChildAttr->GetRuntimeClass()->m_lpszClassName);
							}
//							ERROR3IF((pChildAttr != NULL), "MakeAttributeComplete: Duplicate attr found !"); 
						}
					}
					#endif

					if (!Exists)
					{
						// Make a copy of the attribute
						NodeAttribute* NewAttr = (NodeAttribute*)CurAttr->SimpleCopy();

						if (NewAttr == NULL)
						{
							goto OutOfMemory; 
						}

						// Now add the attribute to this node
						NewAttr->AttachNode(this, FIRSTCHILD, TRUE, FALSE);
					}
				}
			}
		}
		Current = NodeAttribute::FindPrevAppliedAttr(Current, Root);

		// in order to copy brush ink nodes we need to break if the parent is NULL, else is violates
		if (Current!=NULL && Current->FindParent() == NULL)
			break;
	} 

	return TRUE;

OutOfMemory:
	
	// Delete any new attributes added to the node
	Current = FindFirstChild(); 
	Node* Next; 

	while (Current != PreFirstChild)
	{
//.........这里部分代码省略.........