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/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2025 Dominik Reichl <dominik.reichl@t-online.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Drawing;
using System.Globalization;
using System.Reflection;
using System.Resources;
using System.Text;
using KeePass.UI;
using KeePass.Util.Archive;
using KeePassLib;
using KeePassLib.Utility;
namespace KeePass.Util
{
public sealed class CrmEventArgs : EventArgs
{
private readonly string m_strName;
public string Name
{
get { return m_strName; }
}
private readonly CultureInfo m_ci;
public CultureInfo CultureInfo
{
get { return m_ci; }
}
private object m_obj;
public object Object
{
get { return m_obj; }
set { m_obj = value; }
}
public CrmEventArgs(string strName, CultureInfo ci, object o)
{
if(strName == null) throw new ArgumentNullException("strName");
m_strName = strName;
m_ci = ci;
m_obj = o;
}
}
public sealed class CustomResourceManager : ResourceManager
{
private static readonly List<CustomResourceManager> g_lInsts =
new List<CustomResourceManager>();
public static ReadOnlyCollection<CustomResourceManager> Instances
{
get { return g_lInsts.AsReadOnly(); }
}
public event EventHandler<CrmEventArgs> GetObjectPre;
private readonly ResourceManager m_rm;
public ResourceManager BaseResourceManager
{
get { return m_rm; }
}
private readonly Dictionary<string, object> m_dOverrides =
new Dictionary<string, object>();
private readonly ImageArchive m_iaAppHighRes = new ImageArchive();
public CustomResourceManager(ResourceManager rmBase)
{
if(rmBase == null) throw new ArgumentNullException("rmBase");
m_rm = rmBase;
if(g_lInsts.Count < 1000) g_lInsts.Add(this);
else { Debug.Assert(false); }
try { m_iaAppHighRes.Load(Properties.Resources.Images_App_HighRes); }
catch(Exception) { Debug.Assert(false); }
}
public override object GetObject(string name)
{
return GetObject(name, null);
}
public override object GetObject(string name, CultureInfo culture)
{
if(name == null) throw new ArgumentNullException("name");
if(this.GetObjectPre != null)
{
CrmEventArgs e = new CrmEventArgs(name, culture, null);
this.GetObjectPre(this, e);
if(e.Object != null) return e.Object;
}
object oOvr;
if(m_dOverrides.TryGetValue(name, out oOvr)) return oOvr;
object o = m_rm.GetObject(name, culture);
if(o == null) { Debug.Assert(false); return null; }
try
{
Image img = (o as Image);
if(img != null)
{
Debug.Assert(!(o is Icon));
Image imgOvr = m_iaAppHighRes.GetForObject(name);
if(imgOvr != null)
{
int wOvr = imgOvr.Width;
int hOvr = imgOvr.Height;
int wBase = img.Width;
int hBase = img.Height;
int wReq = DpiUtil.ScaleIntX(wBase);
int hReq = DpiUtil.ScaleIntY(hBase);
if((wBase > wOvr) || (hBase > hOvr))
{
Debug.Assert(false); // Base has higher resolution
imgOvr = img;
wOvr = wBase;
hOvr = hBase;
}
if((wReq != wOvr) || (hReq != hOvr))
imgOvr = GfxUtil.ScaleImage(imgOvr, wReq, hReq,
ScaleTransformFlags.UIIcon);
}
else imgOvr = DpiUtil.ScaleImage(img, false);
m_dOverrides[name] = imgOvr;
return imgOvr;
}
}
catch(Exception) { Debug.Assert(false); }
return o;
}
public override string GetString(string name)
{
return m_rm.GetString(name);
}
public override string GetString(string name, CultureInfo culture)
{
return m_rm.GetString(name, culture);
}
public static void Override(Type tResClass)
{
try { OverridePriv(tResClass); }
catch(Exception) { Debug.Assert(false); }
}
private static void OverridePriv(Type tResClass)
{
if(tResClass == null) { Debug.Assert(false); return; }
if(Program.DesignMode) return;
if(!DpiUtil.ScalingRequired) return;
// Ensure ResourceManager instance
PropertyInfo pi = tResClass.GetProperty("ResourceManager",
(BindingFlags.NonPublic | BindingFlags.Static));
if(pi == null) { Debug.Assert(false); return; }
pi.GetValue(null, null);
FieldInfo fi = tResClass.GetField("resourceMan",
(BindingFlags.NonPublic | BindingFlags.Static));
if(fi == null) { Debug.Assert(false); return; }
ResourceManager rm = (fi.GetValue(null) as ResourceManager);
if(rm == null) { Debug.Assert(false); return; }
Debug.Assert(!(rm is CustomResourceManager)); // Override only once
CustomResourceManager crm = new CustomResourceManager(rm);
fi.SetValue(null, crm);
}
}
}
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