public VerifyImageInfo GenerateImage(string code, int width, int height, Color bgcolor)
{
VerifyImageInfo verifyImageInfo = new VerifyImageInfo("image/pjpeg", ImageFormat.Jpeg);
width = 47;
height = 20;
Bitmap image = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(image);
graphics.SmoothingMode = SmoothingMode.HighSpeed;
graphics.Clear(bgcolor);
int num = 60;
Pen pen = new Pen(Color.FromArgb(VerifyImage.Next(50) + num, VerifyImage.Next(50) + num, VerifyImage.Next(50) + num), 1f);
SolidBrush solidBrush = new SolidBrush(Color.FromArgb(VerifyImage.Next(100), VerifyImage.Next(100), VerifyImage.Next(100)));
for (int i = 0; i < 3; i++)
{
graphics.DrawArc(pen, VerifyImage.Next(20) - 10, VerifyImage.Next(20) - 10, VerifyImage.Next(width) + 10, VerifyImage.Next(height) + 10, VerifyImage.Next(-100, 100), VerifyImage.Next(-200, 200));
}
for (int j = 0; j < code.Length; j++)
{
solidBrush = new SolidBrush(Color.Black);
PointF point = new PointF((float)j * 7.2f + 4.2f, 2.6f);
graphics.DrawString(code[j].ToString(), VerifyImage.font, solidBrush, point);
}
solidBrush.Dispose();
graphics.Dispose();
verifyImageInfo.Image = image;
return(verifyImageInfo);
}
/// <summary>
/// 生成验证码
/// </summary>
/// <param name="code"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="bgcolor"></param>
/// <param name="textcolor"></param>
/// <returns></returns>
public VerifyImageInfo GenerateImage(string code, int width, int height, Color bgcolor, int textcolor)
{
VerifyImageInfo verifyimage = new VerifyImageInfo();
verifyimage.ImageFormat = ImageFormat.Jpeg;
verifyimage.ContentType = "image/pjpeg";
// 直接指定尺寸, 而不使用外部参数中的建议尺寸
width = 120;
height = 40;
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.HighSpeed;
g.Clear(bgcolor);
int fixedNumber = textcolor == 2 ? 60 : 0;
Pen linePen = new Pen(Color.FromArgb(Next(50) + fixedNumber, Next(50) + fixedNumber, Next(50) + fixedNumber), 1);
SolidBrush drawBrush = new SolidBrush(Color.FromArgb(Next(100), Next(100), Next(100)));
for (int i = 0; i < 3; i++)
{
g.DrawArc(linePen, Next(20) - 10, Next(20) - 10, Next(width) + 10, Next(height) + 10, Next(-100, 100), Next(-200, 200));
}
Graphics charg = Graphics.FromImage(charbmp);
float charx = -18;
for (int i = 0; i < code.Length; i++)
{
m.Reset();
m.RotateAt(Next(50) - 25, new PointF(Next(3) + 7, Next(3) + 7));
charg.Clear(Color.Transparent);
charg.Transform = m;
//定义前景色为黑色
drawBrush.Color = Color.Black;
charx = charx + 18 + Next(5);
PointF drawPoint = new PointF(charx, 2.0F);
charg.DrawString(code[i].ToString(), fonts[Next(fonts.Length - 1)], drawBrush, new PointF(0, 0));
charg.ResetTransform();
g.DrawImage(charbmp, drawPoint);
}
drawBrush.Dispose();
g.Dispose();
charg.Dispose();
verifyimage.Image = bitmap;
return(verifyimage);
}
public VerifyImageInfo GenerateImage(string code, int width, int height, Color bgcolor, int textcolor)
{
VerifyImageInfo verifyImageInfo = new VerifyImageInfo();
verifyImageInfo.ImageFormat = ImageFormat.Jpeg;
verifyImageInfo.ContentType = "image/pjpeg";
width = 120;
height = 40;
Bitmap image = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(image);
graphics.SmoothingMode = SmoothingMode.HighSpeed;
graphics.Clear(bgcolor);
int num = (textcolor == 2) ? 60 : 0;
Pen pen = new Pen(Color.FromArgb(Next(50) + num, Next(50) + num, Next(50) + num), 1f);
SolidBrush solidBrush = new SolidBrush(Color.FromArgb(Next(100), Next(100), Next(100)));
for (int i = 0; i < 3; i++)
{
graphics.DrawArc(pen, Next(20) - 10, Next(20) - 10, Next(width) + 10, Next(height) + 10, Next(-100, 100), Next(-200, 200));
}
Graphics graphics2 = Graphics.FromImage(charbmp);
float num2 = -18f;
for (int j = 0; j < code.Length; j++)
{
m.Reset();
m.RotateAt((float)(Next(50) - 25), new PointF((float)(Next(3) + 7), (float)(Next(3) + 7)));
graphics2.Clear(Color.Transparent);
graphics2.Transform = m;
solidBrush.Color = Color.Black;
num2 = num2 + 18f + (float)Next(5);
PointF point = new PointF(num2, 2f);
graphics2.DrawString(code[j].ToString(), fonts[Next(fonts.Length - 1)], solidBrush, new PointF(0f, 0f));
graphics2.ResetTransform();
graphics.DrawImage(charbmp, point);
}
solidBrush.Dispose();
graphics.Dispose();
graphics2.Dispose();
verifyImageInfo.Image = image;
return(verifyImageInfo);
}
/// <summary>
/// 生成验证码
/// </summary>
/// <param name="code"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="bgcolor"></param>
/// <returns></returns>
public VerifyImageInfo GenerateImage(string code, int width, int height, Color bgcolor)
{
VerifyImageInfo verifyimage = new VerifyImageInfo("image/pjpeg", ImageFormat.Jpeg);
//直接指定尺寸, 而不使用外部参数中的建议尺寸
width = 47;
height = 20;
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bitmap);
g.SmoothingMode = SmoothingMode.HighSpeed;
g.Clear(bgcolor);
//画干扰线
int fixedNumber = 60;
Pen linePen = new Pen(Color.FromArgb(Next(50) + fixedNumber, Next(50) + fixedNumber, Next(50) + fixedNumber), 1);
SolidBrush drawBrush = new SolidBrush(Color.FromArgb(Next(100), Next(100), Next(100)));
for (int i = 0; i < 3; i++)
{
g.DrawArc(linePen, Next(20) - 10, Next(20) - 10, Next(width) + 10, Next(height) + 10, Next(-100, 100), Next(-200, 200));
}
//画验证码
for (int i = 0; i < code.Length; i++)
{
drawBrush = new SolidBrush(Color.Black);
PointF point = new PointF((i * 7.2F) + 4.2F, 2.6F);
g.DrawString(code[i].ToString(), font, drawBrush, point);
}
//释放资源
drawBrush.Dispose();
g.Dispose();
verifyimage.Image = bitmap;
return(verifyimage);
}