Files
keepass2android/src/KeePassLib2Android/PwCustomIcon.cs

124 lines
3.2 KiB
C#

/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2021 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.Diagnostics;
#if !KeePassUAP
using System.Drawing;
#endif
using KeePassLib.Utility;
namespace KeePassLib
{
public sealed class PwCustomIcon
{
// Recommended maximum sizes, not obligatory
internal const int MaxWidth = 128;
internal const int MaxHeight = 128;
private readonly PwUuid m_uuid;
private readonly byte[] m_pbImageDataPng;
private string m_strName = string.Empty;
private DateTime? m_odtLastMod = null;
private Dictionary<long, Android.Graphics.Bitmap> m_dImageCache = new Dictionary<long, Android.Graphics.Bitmap>();
public PwUuid Uuid
{
get { return m_uuid; }
}
public byte[] ImageDataPng
{
get { return m_pbImageDataPng; }
// When allowing 'set', do not copy the cache in 'Clone'
}
public string Name
{
get { return m_strName; }
set
{
if (value == null) throw new ArgumentNullException("value");
m_strName = value;
}
}
public DateTime? LastModificationTime
{
get { return m_odtLastMod; }
set { m_odtLastMod = value; }
}
[Obsolete("Use GetImage instead.")]
public Android.Graphics.Bitmap Image
{
get { return GetImage(); } // Backward compatibility
}
public PwCustomIcon(PwUuid pu, byte[] pbImageDataPng)
{
if (pu == null) { Debug.Assert(false); throw new ArgumentNullException("pu"); }
if (pu.Equals(PwUuid.Zero)) { Debug.Assert(false); throw new ArgumentOutOfRangeException("pu"); }
if (pbImageDataPng == null) { Debug.Assert(false); throw new ArgumentNullException("pbImageDataPng"); }
m_uuid = pu;
m_pbImageDataPng = pbImageDataPng;
}
private static long GetKey(int w, int h)
{
return (((long)w << 32) ^ (long)h);
}
/// <summary>
/// Get the icon as an <c>Image</c> (original size).
/// </summary>
public Android.Graphics.Bitmap GetImage()
{
const long lKey = -1;
Android.Graphics.Bitmap img;
if (m_dImageCache.TryGetValue(lKey, out img)) return img;
try { img = GfxUtil.LoadImage(m_pbImageDataPng); }
catch (Exception) { Debug.Assert(false); }
m_dImageCache[lKey] = img;
return img;
}
internal PwCustomIcon Clone()
{
PwCustomIcon ico = new PwCustomIcon(m_uuid, m_pbImageDataPng);
ico.m_strName = m_strName;
ico.m_odtLastMod = m_odtLastMod;
ico.m_dImageCache = m_dImageCache; // Same image data
return ico;
}
}
}