/*******************************************************************************
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* You may amend and distribute as you like, but don't remove this header!
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*
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* EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
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* See http://www.codeplex.com/EPPlus for details.
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*
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* Copyright (C) 2011 Jan Källman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
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* If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
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*
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* All code and executables are provided "as is" with no warranty either express or implied.
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* The author accepts no liability for any damage or loss of business that this product may cause.
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*
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* Code change notes:
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*
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* Author Change Date
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* ******************************************************************************
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* Jan Källman Initial Release 2009-12-22
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* Jan Källman License changed GPL-->LGPL 2011-12-16
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*******************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using System.Drawing;
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namespace HH.WMS.Utils.EPPlus.Drawing
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{
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/// <summary>
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/// Fill properties for drawing objects
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/// </summary>
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public sealed class ExcelDrawingFill : XmlHelper
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{
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//ExcelShape _shp;
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string _fillPath;
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XmlNode _fillNode;
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internal ExcelDrawingFill(XmlNamespaceManager nameSpaceManager, XmlNode topNode, string fillPath) :
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base(nameSpaceManager, topNode)
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{
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// _shp=shp;
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_fillPath = fillPath;
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_fillNode = topNode.SelectSingleNode(_fillPath, NameSpaceManager);
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SchemaNodeOrder = new string[] { "tickLblPos", "spPr", "txPr","dLblPos", "crossAx", "printSettings", "showVal", "prstGeom", "noFill", "solidFill", "blipFill", "gradFill", "noFill", "pattFill", "ln", "prstDash" };
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//Setfill node
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if (_fillNode != null)
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{
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_fillTypeNode = topNode.SelectSingleNode("solidFill");
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if (_fillTypeNode == null) _fillTypeNode = topNode.SelectSingleNode("noFill");
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if (_fillTypeNode == null) _fillTypeNode = topNode.SelectSingleNode("blipFill");
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if (_fillTypeNode == null) _fillTypeNode = topNode.SelectSingleNode("gradFill");
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if (_fillTypeNode == null) _fillTypeNode = topNode.SelectSingleNode("pattFill");
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}
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}
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eFillStyle _style;
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XmlNode _fillTypeNode = null;
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/// <summary>
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/// Fill style
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/// </summary>
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public eFillStyle Style
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{
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get
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{
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if (_fillTypeNode == null)
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{
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return eFillStyle.SolidFill;
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}
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else
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{
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_style=GetStyleEnum(_fillTypeNode.Name);
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}
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return _style;
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}
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set
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{
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if (value == eFillStyle.NoFill || value == eFillStyle.SolidFill)
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{
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_style = value;
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CreateFillTopNode(value);
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}
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else
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{
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throw new NotImplementedException("Fillstyle not implemented");
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}
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}
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}
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private void CreateFillTopNode(eFillStyle value)
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{
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if (_fillTypeNode != null)
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{
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TopNode.RemoveChild(_fillTypeNode);
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}
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CreateNode(_fillPath + "/a:" + GetStyleText(value), false);
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_fillNode=TopNode.SelectSingleNode(_fillPath + "/a:" + GetStyleText(value), NameSpaceManager);
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}
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private eFillStyle GetStyleEnum(string name)
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{
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switch(name)
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{
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case "noFill":
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return eFillStyle.NoFill;
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case "blipFill":
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return eFillStyle.BlipFill;
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case "gradFill":
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return eFillStyle.GradientFill;
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case "grpFill":
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return eFillStyle.GroupFill;
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case "pattFill":
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return eFillStyle.PatternFill;
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default:
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return eFillStyle.SolidFill;
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}
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}
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private string GetStyleText(eFillStyle style)
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{
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switch (style)
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{
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case eFillStyle.BlipFill:
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return "blipFill";
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case eFillStyle.GradientFill:
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return "gradFill";
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case eFillStyle.GroupFill:
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return "grpFill";
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case eFillStyle.NoFill:
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return "noFill";
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case eFillStyle.PatternFill:
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return "pattFill";
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default:
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return "solidFill";
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}
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}
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const string ColorPath = "/a:solidFill/a:srgbClr/@val";
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/// <summary>
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/// Fill color for solid fills
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/// </summary>
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public Color Color
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{
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get
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{
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string col = GetXmlNodeString(_fillPath + ColorPath);
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if (col == "")
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{
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return Color.FromArgb(79, 129, 189);
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}
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else
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{
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return Color.FromArgb(int.Parse(col,System.Globalization.NumberStyles.AllowHexSpecifier));
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}
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}
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set
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{
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if (_fillTypeNode == null)
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{
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_style = eFillStyle.SolidFill;
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}
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else if (_style != eFillStyle.SolidFill)
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{
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throw new Exception("FillStyle must be set to SolidFill");
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}
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CreateNode(_fillPath, false);
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SetXmlNodeString(_fillPath + ColorPath, value.ToArgb().ToString("X").Substring(2, 6));
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}
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}
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const string alphaPath = "/a:solidFill/a:srgbClr/a:alpha/@val";
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/// <summary>
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/// Transparancy in percent
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/// </summary>
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public int Transparancy
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{
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get
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{
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return 100 - (GetXmlNodeInt(_fillPath + alphaPath) / 1000);
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}
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set
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{
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if (_fillTypeNode == null)
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{
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_style = eFillStyle.SolidFill;
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Color = Color.FromArgb(79, 129, 189); //Set a Default color
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}
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else if (_style != eFillStyle.SolidFill)
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{
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throw new Exception("FillStyle must be set to SolidFill");
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}
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//CreateNode(_fillPath, false);
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SetXmlNodeString(_fillPath + alphaPath, ((100 - value) * 1000).ToString());
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}
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}
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}
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}
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