/// <summary>
/// 创建验证码抽象方法
/// </summary>
/// <param name="validataCode">验证code</param>
/// <returns>
/// Byte数组
/// </returns>
public override byte[] CreateImage(out string validataCode)
{
Bitmap bitmap;
string formatString = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z";
GetRandom(formatString, this.ValidataCodeLength, out validataCode);
MemoryStream stream = new MemoryStream();
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
encoder.Start();
encoder.SetDelay(1);
encoder.SetRepeat(0);
for (int i = 0; i < 3; i++)
{
this.SplitCode(validataCode);
this.ImageBmp(out bitmap, validataCode);
bitmap.Save(stream, ImageFormat.Png);
encoder.AddFrame(Image.FromStream(stream));
stream = new MemoryStream();
bitmap.Dispose();
}
encoder.OutPut(ref stream);
bitmap = null;
stream.Close();
stream.Dispose();
return(stream.GetBuffer());
}
/// <summary>
/// 创建验证码抽象方法
/// </summary>
/// <param name="validataCode">验证code</param>
/// <returns>
/// Byte数组
/// </returns>
public override byte[] CreateImage(out string validataCode)
{
Bitmap bitmap;
string formatString = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z";
GetRandom(formatString, this.ValidataCodeLength, out validataCode);
MemoryStream stream = new MemoryStream();
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
encoder.Start();
encoder.SetDelay(1);
encoder.SetRepeat(0);
Random random = new Random();
for (int i = 0; i < validataCode.Length; i++)
{
this.colors.Add(this.DrawColors[random.Next(this.DrawColors.Length)]);
}
for (int j = 0; j < 3; j++)
{
string[] strArray = this.SplitCode(validataCode);
for (int k = 0; k < 2; k++)
{
if (k == 0)
{
this.ImageBmp(out bitmap, strArray[0]);
}
else
{
this.ImageBmp(out bitmap, strArray[1]);
}
bitmap.Save(stream, ImageFormat.Png);
encoder.AddFrame(Image.FromStream(stream));
stream = new MemoryStream();
bitmap.Dispose();
}
}
encoder.OutPut(ref stream);
bitmap = null;
stream.Close();
stream.Dispose();
return(stream.GetBuffer());
}