多功能注册码，注册码可以完全自定义，全部都是动态的，包括字体的颜色，大小，样式，还有内容
using System;
using System.Drawing;
namespace SecurityCode
{
public class DrawMethod
{
/// <summary>
/// 画图
/// </summary>
/// <param name="content"></param>
/// <param name="size"></param>
/// <param name="fileName"></param>
public void Draw(string content,Size size,string fileName)
{
Image image = new Bitmap(size.Width,size.Height);
Graphics g = Graphics.FromImage(image);
DrawBorder(g,image.Size);
DrawContent(g,content,image.Size,(int)FontSet.Font.Size);
DrawRandom(g, image.Size);
image.Save(@"D:\\" + fileName);
}
/// <summary>
/// 画边框
/// </summary>
/// <param name="g"></param>
/// <param name="size"></param>
private void DrawBorder(Graphics g, Size size)
{
Pen pen = new Pen(SolidBrushSet.SolidBrush);
Rectangle rect=new Rectangle(1,1,size.Width-4,size.Height-4);
g.DrawRectangle(pen,rect);
}
//画字符串
private void DrawContent(Graphics g, string content,Size size,int fontHeight)
{
Point point = new Point();
int i = 0;
point.Y = (size.Height - fontHeight) / 2;
int distance = size.Width / (content.Length+1);
foreach (char c in content)
{
point.X = i * distance + distance/2;
g.DrawString(c.ToString(), FontSet.Font, SolidBrushSet.SolidBrush, point);
i++;
}
}
/// <summary>
/// 画干扰
/// </summary>
/// <param name="g"></param>
/// <param name="size"></param>
private void DrawRandom(Graphics g, Size size)
{
Pen pen = new Pen(SolidBrushSet.SolidBrush);
Random rand = new Random();
for (int i = 0; i < 3; i++)
{
g.DrawLine(pen, rand.Next(size.Width), rand.Next(size.Width), rand.Next(size.Height), rand.Next(size.Height));
}
for (int i = 0; i < 10; i++)
{
Rectangle rect = new Rectangle(rand.Next(2, size.Width - 2), rand.Next(2, size.Height - 2), 1, 1);
g.DrawRectangle(pen, rect);
}
}
}
}
using System;
namespace SecurityCode
{
/// <summary>
/// 自动生成字符串
/// </summary>
public class CreateContent
{
private string so = "1234567890abcdefghijklmnopqrstuvwxyzQWERTYUIOPASDFGHJKLZXCVBNM";
/// <summary>
/// 生成内容
/// </summary>
/// <returns></returns>
public string GetContent()
{
Random rand = new Random();
string str = null;
for (int i = 0; i < 6; i++)
{
str += so.Substring(rand.Next(62), 1);
}
return str;
}
}
}
using System;
using System.Drawing;
namespace SecurityCode
{
/// <summary>
/// 字体设置
/// </summary>
public class FontSet
{
public static Font Font
{
get
{
FontFamily fFamily = GetFontFamily();
FontStyle fStyle = GetFontStyle();
int emSize = GetFontSize();
return new Font(fFamily, emSize, fStyle);
}
}
private FontSet() { }
/// <summary>
/// 设置字体
/// </summary>
private static FontFamily GetFontFamily()
{
Random rand = new Random();
return FontFamily.Families[rand.Next(FontFamily.Families.Length)];
}
/// <summary>
/// 设置字体样式
/// </summary>
private static FontStyle GetFontStyle()
{
Random rand = new Random();
int index = rand.Next(1, 4);
index = 1 << index;
return (FontStyle)index;
}
/// <summary>
/// 设置字体大小
/// </summary>
public static int GetFontSize()
{
Random rand = new Random();
return rand.Next(12, 14);
}
}
}
using System;
using System.Drawing;
namespace SecurityCode
{
/// <summary>
/// 画笔设置
/// </summary>
public class SolidBrushSet
{
/// <summary>
/// 画笔
/// </summary>
public static SolidBrush SolidBrush
{
get {
Color color= GetColor();
return new SolidBrush(color);
}
}
private SolidBrushSet(){}
/// <summary>
/// 随机生成画笔颜色
/// </summary>
/// <returns></returns>
public static Color GetColor()
{
Random rand = new Random();
int r = rand.Next(0,255);
int g = rand.Next(0, 255);
int b = rand.Next(0, 255);
return Color.FromArgb(r,g,b);
}
}
}
private void Test()
{
DrawMethod drawMethod = new DrawMethod();
CreateContent createCont = new CreateContent();
for (int i = 0; i < 10; i++)
{
string content = createCont.GetContent();
Size size = new Size(100, 40);
drawMethod.Draw(content, size, i.ToString() + ".jpg");
}
}
