insertnd.cpp

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00001 // $Id: insertnd.cpp 1282 2006-06-09 09:46:49Z alex $
00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
00003 ================================XARAHEADERSTART===========================
00004  
00005                Xara LX, a vector drawing and manipulation program.
00006                     Copyright (C) 1993-2006 Xara Group Ltd.
00007        Copyright on certain contributions may be held in joint with their
00008               respective authors. See AUTHORS file for details.
00009 
00010 LICENSE TO USE AND MODIFY SOFTWARE
00011 ----------------------------------
00012 
00013 This file is part of Xara LX.
00014 
00015 Xara LX is free software; you can redistribute it and/or modify it
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00018 
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00023 
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00029 
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00036 
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00046 Nothing in this section restricts any of the rights you have under
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00048 
00049 
00050 SCOPE OF LICENSE
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00052 
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00058 This license does not apply to files in the wxXtra directory, which
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00066 
00067 ARRANGEMENTS FOR CONTRIBUTION OF MODIFICATIONS
00068 ----------------------------------------------
00069 
00070 Subject to the terms of the GNU Public License (see above), you are
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00084 
00085 MARKS
00086 -----
00087 
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00092 
00093       Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK.
00094                         http://www.xara.com/
00095 
00096 =================================XARAHEADEREND============================
00097  */
00098 
00099 #include "camtypes.h"                          
00100 
00101 DECLARE_SOURCE("$Revision: 1282 $");
00102 
00103 #include "insertnd.h"
00104 //#include "mario.h"
00105 //#include "document.h" - in camtypes.h [AUTOMATICALLY REMOVED]
00106 
00107 CC_IMPLEMENT_DYNAMIC(InsertionNode, Node); 
00108 
00109 // Declare smart memory handling in Debug builds
00110 #define new CAM_DEBUG_NEW
00111 
00112 
00113 /***********************************************************************************************
00114 > Node* InsertionNode::SimpleCopy() 
00115 
00116     Author:     Simon_Maneggio (Xara Group Ltd) <camelotdev@xara.com>
00117     Created:    04/07/94
00118     
00119     Inputs:         - 
00120     Outputs:    
00121     Returns:    A copy of the node, or NULL if memory runs out 
00122          
00123     Purpose:    This method returns a shallow copy of the node with all Node pointers NULL. 
00124                 The function is virtual, and must be defined for all derived classes.  
00125            
00126            
00127     Errors:     If memory runs out when trying to copy, then ERROR is called with an out of memory
00128                 error and the function returns NULL. 
00129  
00130         
00131     Scope:      protected  
00132 **********************************************************************************************/
00133 
00134 Node* InsertionNode::SimpleCopy()
00135 {
00136     ERROR3("InsertionNode SimpleCopy called, is this good ???"); 
00137     InsertionNode* NodeCopy; 
00138     NodeCopy = new InsertionNode(pOwnerDoc);       
00139     ERRORIF(NodeCopy == NULL, _R(IDE_NOMORE_MEMORY), NULL); 
00140     CopyNodeContents(NodeCopy);   
00141     return (NodeCopy);
00142 }   
00143 
00144 /********************************************************************************************
00145 
00146 >   virtual UINT32 InsertionNode::GetNodeSize() const
00147 
00148     Author:     Simon_Maneggio (Xara Group Ltd) <camelotdev@xara.com>
00149     Created:    6/10/93
00150     Inputs:     -
00151     Outputs:    -
00152     Returns:    The size of the node in bytes
00153     Purpose:    For finding the size of the node 
00154                 
00155     SeeAlso:    Node::GetSubtreeSize
00156 
00157 ********************************************************************************************/
00158 
00159 UINT32 InsertionNode::GetNodeSize() const 
00160 {     
00161     return (sizeof(InsertionNode)); 
00162 }   
00163 
00164 
00165 /********************************************************************************************
00166 
00167 >   InsertionNode::~InsertionNode()
00168 
00169     Author:     Simon_Maneggio (Xara Group Ltd) <camelotdev@xara.com>
00170     Created:    28/10/95
00171     Purpose:    This destructor was added by Simon 28/10/95 to solve a problem with Insertion
00172                 Nodes being destroyed. If a layer is deleted which contains an Insertion 
00173                 Node (This can occur when throwing away undo info) then we must inform the
00174                 document containing the InsertionNode, so that it can NULLIFY it's pointer
00175                 to it.
00176 
00177 ********************************************************************************************/
00178 
00179 InsertionNode::~InsertionNode()
00180 {
00181     ERROR3IF(!pOwnerDoc, "InsertionNode Has no owner doc"); 
00182     if (pOwnerDoc)
00183     {
00184         pOwnerDoc->InsertionNodeDying();
00185     }       
00186 }

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