mirror of
https://github.com/eggplantlwj/VisionEdit.git
synced 2026-03-24 00:36:41 +08:00
338 lines
14 KiB
C#
338 lines
14 KiB
C#
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// ***********************************************************************
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// Assembly : HZH_Controls
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// Created : 2019-09-11
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//
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// ***********************************************************************
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// <copyright file="FontImages.cs">
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// Copyright by Huang Zhenghui(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>) All, QQ group:568015492 QQ:623128629 Email:623128629@qq.com
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// </copyright>
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//
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// Blog: https://www.cnblogs.com/bfyx
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// GitHub<75><62>https://github.com/kwwwvagaa/NetWinformControl
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// gitee<65><65>https://gitee.com/kwwwvagaa/net_winform_custom_control.git
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//
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// If you use this code, please keep this note.
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// ***********************************************************************
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.Drawing.Text;
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using System.IO;
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namespace HZH_Controls
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{
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC>ͼƬ,awesome<6D><65><EFBFBD><EFBFBD>Ĭ<EFBFBD>ϼ<EFBFBD><CFBC>أ<EFBFBD>elegant<6E><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>ʱ<EFBFBD>ӳټ<D3B3><D9BC><EFBFBD>
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/// ͼ<><CDBC>ʾ<EFBFBD><CABE> http://www.fontawesome.com.cn/faicons/?tdsourcetag=s_pcqq_aiomsg
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/// ͼ<><CDBC>ʾ<EFBFBD><CABE> https://www.elegantthemes.com/blog/resources/elegant-icon-font
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/// </summary>
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public static class FontImages
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{
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/// <summary>
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/// The m font collection
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/// </summary>
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private static readonly PrivateFontCollection m_fontCollection = new PrivateFontCollection();
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/// <summary>
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/// The m fonts awesome
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/// </summary>
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private static readonly Dictionary<string, Font> m_fontsAwesome = new Dictionary<string, Font>();
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/// <summary>
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/// The m fonts elegant
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/// </summary>
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private static readonly Dictionary<string, Font> m_fontsElegant = new Dictionary<string, Font>();
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/// <summary>
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/// The m cache maximum size
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/// </summary>
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private static Dictionary<int, float> m_cacheMaxSize = new Dictionary<int, float>();
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/// <summary>
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/// The minimum font size
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/// </summary>
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private const int MinFontSize = 8;
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/// <summary>
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/// The maximum font size
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/// </summary>
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private const int MaxFontSize = 43;
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/// <summary>
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/// <20><><EFBFBD>캯<EFBFBD><ECBAAF>
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/// </summary>
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/// <exception cref="FileNotFoundException">Font file not found</exception>
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static FontImages()
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{
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string strPath = System.Reflection.Assembly.GetExecutingAssembly().CodeBase.ToLower().Replace("file:///", "");
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string strDir = System.IO.Path.GetDirectoryName(strPath);
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if (!Directory.Exists(Path.Combine(strDir, "IconFont")))
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{
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Directory.CreateDirectory(Path.Combine(strDir, "IconFont"));
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}
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string strFile = Path.Combine(strDir, "IconFont\\FontAwesome.ttf");
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if (!File.Exists(strFile))
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{
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var fs = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("HZH_Controls.IconFont.FontAwesome.ttf");
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FileStream sw = new FileStream(strFile, FileMode.Create, FileAccess.Write);
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fs.CopyTo(sw);
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sw.Close();
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fs.Close();
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}
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m_fontCollection.AddFontFile(strFile);
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float size = MinFontSize;
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for (int i = 0; i <= (MaxFontSize - MinFontSize) * 2; i++)
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{
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m_fontsAwesome.Add(size.ToString("F2"), new Font(m_fontCollection.Families[0], size, FontStyle.Regular, GraphicsUnit.Point));
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size += 0.5f;
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}
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}
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/// <summary>
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/// Gets the font awesome.
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/// </summary>
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/// <value>The font awesome.</value>
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public static FontFamily FontAwesome
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{
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get
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{
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for (int i = 0; i < m_fontCollection.Families.Length; i++)
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{
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if (m_fontCollection.Families[i].Name == "FontAwesome")
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{
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return m_fontCollection.Families[i];
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}
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}
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return m_fontCollection.Families[0];
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}
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}
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/// <summary>
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/// Gets the elegant icons.
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/// </summary>
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/// <value>The elegant icons.</value>
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/// <exception cref="FileNotFoundException">Font file not found</exception>
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public static FontFamily ElegantIcons
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{
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get
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{
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if (m_fontsElegant.Count <= 0)
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{
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lock (m_fontsElegant)
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{
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if (m_fontsElegant.Count <= 0)
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{
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string strPath = System.Reflection.Assembly.GetExecutingAssembly().CodeBase.ToLower().Replace("file:///", "");
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string strDir = System.IO.Path.GetDirectoryName(strPath);
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if (!Directory.Exists(Path.Combine(strDir, "IconFont")))
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{
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Directory.CreateDirectory(Path.Combine(strDir, "IconFont"));
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}
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string strFile = Path.Combine(strDir, "IconFont\\ElegantIcons.ttf");
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if (!File.Exists(strFile))
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{
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var fs = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("HZH_Controls.IconFont.ElegantIcons.ttf");
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FileStream sw = new FileStream(strFile, FileMode.Create, FileAccess.Write);
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fs.CopyTo(sw);
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sw.Close();
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fs.Close();
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}
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m_fontCollection.AddFontFile(strFile);
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float size = MinFontSize;
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for (int i = 0; i <= (MaxFontSize - MinFontSize) * 2; i++)
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{
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m_fontsElegant.Add(size.ToString("F2"), new Font(m_fontCollection.Families[0], size, FontStyle.Regular, GraphicsUnit.Point));
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size += 0.5f;
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}
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}
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}
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}
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for (int i = 0; i < m_fontCollection.Families.Length; i++)
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{
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if (m_fontCollection.Families[i].Name == "ElegantIcons")
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{
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return m_fontCollection.Families[i];
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}
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}
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return m_fontCollection.Families[0];
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}
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}
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/// <summary>
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/// <20><>ȡͼ<C8A1><CDBC>
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/// </summary>
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/// <param name="iconText">ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
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/// <param name="imageSize">ͼ<><CDBC><EFBFBD><EFBFBD>С</param>
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/// <param name="foreColor">ǰ<><C7B0>ɫ</param>
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/// <param name="backColor"><3E><><EFBFBD><EFBFBD>ɫ</param>
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/// <returns>ͼ<><CDBC></returns>
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public static Icon GetIcon(FontIcons iconText, int imageSize = 32, Color? foreColor = null, Color? backColor = null)
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{
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Bitmap image = GetImage(iconText, imageSize, foreColor, backColor);
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return image != null ? ToIcon(image, imageSize) : null;
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}
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/// <summary>
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/// <20><>ȡͼ<C8A1><CDBC>.
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/// </summary>
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/// <param name="iconText">ͼ<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.</param>
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/// <param name="imageSize">ͼ<><CDBC><EFBFBD><EFBFBD>С.</param>
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/// <param name="foreColor">ǰ<><C7B0>ɫ</param>
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/// <param name="backColor"><3E><><EFBFBD><EFBFBD>ɫ.</param>
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/// <returns>Bitmap.</returns>
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/// <exception cref="FileNotFoundException">Font file not found</exception>
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public static Bitmap GetImage(FontIcons iconText, int imageSize = 32, Color? foreColor = null, Color? backColor = null)
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{
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Dictionary<string, Font> _fs;
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if (iconText.ToString().StartsWith("A_"))
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_fs = m_fontsAwesome;
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else
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{
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if (m_fontsElegant.Count <= 0)
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{
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lock (m_fontsElegant)
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{
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if (m_fontsElegant.Count <= 0)
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{
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string strPath = System.Reflection.Assembly.GetExecutingAssembly().CodeBase.ToLower().Replace("file:///", "");
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string strDir = System.IO.Path.GetDirectoryName(strPath);
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if (!Directory.Exists(Path.Combine(strDir, "IconFont")))
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{
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Directory.CreateDirectory(Path.Combine(strDir, "IconFont"));
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}
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string strFile = Path.Combine(strDir, "IconFont\\ElegantIcons.ttf");
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if (!File.Exists(strFile))
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{
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var fs = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream("HZH_Controls.IconFont.ElegantIcons.ttf");
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FileStream sw = new FileStream(strFile, FileMode.Create, FileAccess.Write);
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fs.CopyTo(sw);
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sw.Close();
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fs.Close();
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}
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m_fontCollection.AddFontFile(strFile);
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float size = MinFontSize;
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for (int i = 0; i <= (MaxFontSize - MinFontSize) * 2; i++)
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{
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m_fontsElegant.Add(size.ToString("F2"), new Font(m_fontCollection.Families[0], size, FontStyle.Regular, GraphicsUnit.Point));
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size += 0.5f;
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}
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}
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}
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}
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_fs = m_fontsElegant;
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}
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if (!foreColor.HasValue)
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foreColor = Color.Black;
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Font imageFont = _fs[MinFontSize.ToString("F2")];
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SizeF textSize = new SizeF(imageSize, imageSize);
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using (Bitmap bitmap = new Bitmap(48, 48))
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using (Graphics graphics = Graphics.FromImage(bitmap))
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{
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//float size = MaxFontSize;
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float fltMaxSize = MaxFontSize;
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if (m_cacheMaxSize.ContainsKey(imageSize))
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{
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fltMaxSize = Math.Max(MaxFontSize, m_cacheMaxSize[imageSize] + 5);
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}
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while (fltMaxSize >= MinFontSize)
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{
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Font font = _fs[fltMaxSize.ToString("F2")];
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SizeF sf = GetIconSize(iconText, graphics, font);
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if (sf.Width < imageSize && sf.Height < imageSize)
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{
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imageFont = font;
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textSize = sf;
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break;
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}
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fltMaxSize -= 0.5f;
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}
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if (!m_cacheMaxSize.ContainsKey(imageSize) || (m_cacheMaxSize.ContainsKey(imageSize) && m_cacheMaxSize[imageSize] < fltMaxSize))
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{
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m_cacheMaxSize[imageSize] = fltMaxSize;
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}
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}
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Bitmap srcImage = new Bitmap(imageSize, imageSize);
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using (Graphics graphics = Graphics.FromImage(srcImage))
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{
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if (backColor.HasValue && backColor.Value != Color.Empty && backColor.Value != Color.Transparent)
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graphics.Clear(backColor.Value);
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string s = char.ConvertFromUtf32((int)iconText);
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graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
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graphics.SetGDIHigh();
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using (Brush brush2 = new SolidBrush(foreColor.Value))
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{
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graphics.DrawString(s, imageFont, brush2, new PointF((imageSize - textSize.Width) / 2.0f + 1, (imageSize - textSize.Height) / 2.0f + 1));
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}
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}
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return srcImage;
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}
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/// <summary>
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/// Gets the size of the icon.
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/// </summary>
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/// <param name="iconText">The icon text.</param>
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/// <param name="graphics">The graphics.</param>
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/// <param name="font">The font.</param>
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/// <returns>Size.</returns>
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private static Size GetIconSize(FontIcons iconText, Graphics graphics, Font font)
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{
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string text = char.ConvertFromUtf32((int)iconText);
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return graphics.MeasureString(text, font).ToSize();
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}
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/// <summary>
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/// Converts to icon.
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/// </summary>
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/// <param name="srcBitmap">The source bitmap.</param>
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/// <param name="size">The size.</param>
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/// <returns>Icon.</returns>
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/// <exception cref="ArgumentNullException">srcBitmap</exception>
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private static Icon ToIcon(Bitmap srcBitmap, int size)
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{
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if (srcBitmap == null)
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{
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throw new ArgumentNullException("srcBitmap");
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}
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Icon icon;
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using (MemoryStream memoryStream = new MemoryStream())
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{
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new Bitmap(srcBitmap, new Size(size, size)).Save(memoryStream, ImageFormat.Png);
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Stream stream = new MemoryStream();
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BinaryWriter binaryWriter = new BinaryWriter(stream);
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if (stream.Length <= 0L)
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{
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return null;
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}
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binaryWriter.Write((byte)0);
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binaryWriter.Write((byte)0);
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binaryWriter.Write((short)1);
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binaryWriter.Write((short)1);
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binaryWriter.Write((byte)size);
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binaryWriter.Write((byte)size);
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binaryWriter.Write((byte)0);
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binaryWriter.Write((byte)0);
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binaryWriter.Write((short)0);
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binaryWriter.Write((short)32);
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binaryWriter.Write((int)memoryStream.Length);
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binaryWriter.Write(22);
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binaryWriter.Write(memoryStream.ToArray());
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binaryWriter.Flush();
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binaryWriter.Seek(0, SeekOrigin.Begin);
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icon = new Icon(stream);
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stream.Dispose();
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|
}
|
|||
|
|
|
|||
|
|
return icon;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|
