/// <summary>
/// 随机种子数
/// </summary>
/// <param name="minShowCode">最小1位置</param>
/// <param name="maxShowCode">最大128位置</param>
/// <param name="isSetSession">是否保存Session中</param>
/// <returns>对象</returns>
public static NCaptcha Generate(byte minShowCode, byte maxShowCode, bool isSetSession)
{
NCaptcha code = new NCaptcha(minShowCode, maxShowCode);
code.IsSetSession = isSetSession;
return(code);
}
public static NCaptcha GenerateAndDraw(byte showCount, System.IO.Stream outStream, EnImage enImg, string SetSessionName)
{
NCaptcha code = new NCaptcha(showCount);
code.SetSessionName = SetSessionName;
code.IsSetSession = true;
EnFont font = new EnFont();
font.MyFont = enImg.ImgFont;
font.MyColor = enImg.ImgColor;
EnImage img = new EnImage();
img.ImgColor = Color.White;
;
img.Width = enImg.Width;
img.Height = enImg.Height;
code.gBitmap = code.gDrawing(EnImage.PaintShape.Link, img, font);
if (code.gBitmap != null && outStream != null)
{
code.gBitmap.Save(outStream, System.Drawing.Imaging.ImageFormat.Jpeg);
}
return(code);
}
/// <summary>
/// 生成5位置随机字符串
/// </summary>
/// <param name="isSetSession">是否保存Session中</param>
/// <returns>对象</returns>
public static NCaptcha Generate(bool isSetSession)
{
NCaptcha code = new NCaptcha();
code.IsSetSession = isSetSession;
return(code);
}
public static NCaptcha Generate(byte showCount, bool isSetSession)
{
NCaptcha code = new NCaptcha(showCount);
code.IsSetSession = isSetSession;
return(code);
}
/// <summary>
/// 生成code
/// </summary>
/// <param name="sessionName"> 保存sessionName</param>
/// <returns></returns>
public static NCaptcha Generate(string sessionName)
{
NCaptcha code = new NCaptcha();
code.SetSessionName = sessionName;
code.IsSetSession = true;
return(code);
}
/// <summary>
/// 生成随机字符串并生成图片
/// </summary>
/// <param name="showCount">字符串长度</param>
/// <param name="outStream">输出流，可以为NULL</param>
/// <param name="iformat">图片类型</param>
/// <param name="isSetSession">是否保存Session中</param>
/// <returns>返回对象</returns>
public static NCaptcha GenerateAndDraw(byte showCount, System.IO.Stream outStream, System.Drawing.Imaging.ImageFormat iformat, bool isSetSession)
{
NCaptcha code = new NCaptcha(showCount);
code.IsSetSession = isSetSession;
EnFont font = new EnFont();
font.MyFont = new Font(FontFamily.GenericSerif, 20, FontStyle.Bold, GraphicsUnit.Point);
font.MyColor = EnObject.listColor[0];
EnImage img = new EnImage();
img.ImgColor = Color.White;
;
img.Width = code.GenerateCount * (int)font.MyFont.Size;
img.Height = (int)(font.MyFont.Size) + 5;
code.gBitmap = code.gDrawing(EnImage.PaintShape.Link, img, font);
if (code.gBitmap != null && outStream != null)
{
code.gBitmap.Save(outStream, iformat);
}
return(code);
}
