using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
using System.IO;
using System.Windows.Forms;
using WinForm.NET4.Sample.CustomControl.Enum;
 

namespace WinForm.NET4.Sample.CustomControl
{
 public partial class AwesomeIcon : Control
 {
 public AwesomeIcon()
 {
 InitializeComponent();

 if (ImageFont.Families.Length == 0)
 {
 var curNamespace = this.GetType().Namespace;

 Stream fontStream = this.GetType().Assembly.GetManifestResourceStream(curNamespace + ".Font.fontawesome.ttf");

 byte[] fontdata = new byte[fontStream.Length];

 fontStream.Read(fontdata, 0, (int)fontStream.Length);

 fontStream.Close();
 unsafe
 {
 fixed (byte* pFontData = fontdata)
 {
 ImageFont.AddMemoryFont((System.IntPtr)pFontData, fontdata.Length);
 }
 }
 }
 
 if (ImageFont.Families.Length == 0)
 {
 return;
 }
 else
 {
 iconfont = new Font(ImageFont.Families[0], Font.Size, FontStyle.Bold, Font.Unit);
 }
 }

 private PrivateFontCollection ImageFont = new PrivateFontCollection();

 private Font iconfont;
 private SizeF FontSize = new SizeF();
 private SolidBrush foreSolidBrush = new SolidBrush(DefaultForeColor);

 private string FontValue = "";

 private AwesomeValues _Value = AwesomeValues.None;

 public AwesomeValues Value
 {
 get => _Value;
 set
 {
 _Value = value;

 //if (value == AwesomeValues.None) return;

 FontValue = char.ConvertFromUtf32((int)_Value);
 Invalidate();
 }
 }
 
 

 ~AwesomeIcon()
 {
 foreSolidBrush?.Dispose(); iconfont?.Dispose();
 }

 private void AwesomeIcon_Paint(object sender, PaintEventArgs e)
 {
 if (ImageFont.Families.Length < 1) return;
 e.Graphics.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高,即消除锯齿
 e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
 e.Graphics.CompositingQuality = CompositingQuality.HighQuality;
 e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;

 foreSolidBrush.Color = ForeColor;
 iconfont = new Font(ImageFont.Families[0], Font.Size, FontStyle.Bold, Font.Unit);
 FontSize = e.Graphics.MeasureString(FontValue, iconfont);
 e.Graphics.DrawString(FontValue, iconfont, foreSolidBrush, (Width - FontSize.Width) / 2, (Height - FontSize.Height) / 2);
 }

 
 }
}