mirror of
https://github.com/wismna/ModernKeePassLib.git
synced 2025-10-03 15:40:20 -04:00
129 lines
3.6 KiB
C#
129 lines
3.6 KiB
C#
/*
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KeePass Password Safe - The Open-Source Password Manager
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Copyright (C) 2003-2020 Dominik Reichl <dominik.reichl@t-online.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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#if ModernKeePassLib
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using SixLabors.ImageSharp;
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#else
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using System.Drawing;
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#endif
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using ModernKeePassLib.Utility;
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using SixLabors.ImageSharp.PixelFormats;
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namespace ModernKeePassLib
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{
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/// <summary>
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/// Custom icon. <c>PwCustomIcon</c> objects are immutable.
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/// </summary>
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public sealed class PwCustomIcon
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{
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private readonly PwUuid m_pwUuid;
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private readonly byte[] m_pbImageDataPng;
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private readonly Image<Rgba32> m_imgOrg;
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private Dictionary<long, Image<Rgba32>> m_dImageCache = new Dictionary<long, Image<Rgba32>>();
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// Recommended maximum sizes, not obligatory
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internal const int MaxWidth = 128;
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internal const int MaxHeight = 128;
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public PwUuid Uuid
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{
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get { return m_pwUuid; }
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}
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public byte[] ImageDataPng
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{
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get { return m_pbImageDataPng; }
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}
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[Obsolete("Use GetImage instead.")]
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public Image<Rgba32> Image
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{
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#if (!KeePassLibSD && !KeePassUAP)
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get { return GetImage(16, 16); } // Backward compatibility
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#else
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get { return GetImage(); } // Backward compatibility
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#endif
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}
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public PwCustomIcon(PwUuid pwUuid, byte[] pbImageDataPng)
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{
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Debug.Assert(pwUuid != null);
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if(pwUuid == null) throw new ArgumentNullException("pwUuid");
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Debug.Assert(!pwUuid.Equals(PwUuid.Zero));
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if(pwUuid.Equals(PwUuid.Zero)) throw new ArgumentException("pwUuid == 0.");
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Debug.Assert(pbImageDataPng != null);
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if(pbImageDataPng == null) throw new ArgumentNullException("pbImageDataPng");
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m_pwUuid = pwUuid;
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m_pbImageDataPng = pbImageDataPng;
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// MemoryStream ms = new MemoryStream(m_pbImageDataPng, false);
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// m_imgOrg = Image.FromStream(ms);
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// ms.Close();
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try { m_imgOrg = GfxUtil.LoadImage(m_pbImageDataPng); }
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catch(Exception) { Debug.Assert(false); m_imgOrg = null; }
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if(m_imgOrg != null)
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m_dImageCache[GetID((int)m_imgOrg.Width, (int)m_imgOrg.Height)] =
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m_imgOrg;
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}
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private static long GetID(int w, int h)
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{
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return (((long)w << 32) ^ (long)h);
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}
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/// <summary>
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/// Get the icon as an <c>Image</c> (original size).
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/// </summary>
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public Image<Rgba32> GetImage()
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{
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return m_imgOrg;
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}
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#if (!KeePassLibSD && !KeePassUAP)
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/// <summary>
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/// Get the icon as an <c>Image</c> (with the specified size).
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/// </summary>
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/// <param name="w">Width of the returned image.</param>
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/// <param name="h">Height of the returned image.</param>
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public Image<Rgba32> GetImage(int w, int h)
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{
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if(w < 0) { Debug.Assert(false); return m_imgOrg; }
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if(h < 0) { Debug.Assert(false); return m_imgOrg; }
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if(m_imgOrg == null) return null;
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long lID = GetID(w, h);
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Image<Rgba32> img;
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if(m_dImageCache.TryGetValue(lID, out img)) return img;
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img = GfxUtil.ScaleImage(m_imgOrg, w, h, ScaleTransformFlags.UIIcon);
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m_dImageCache[lID] = img;
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return img;
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}
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#endif
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}
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}
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