private void FMain_Load(object sender, EventArgs e)
{
loadConfig();
printDocument = new PrintDocument();
printDocument.PrintPage += new PrintPageEventHandler(this.printDocument_PrintPage);
printDocument.BeginPrint += new PrintEventHandler(printDocument_BeginPrint);
printDocument.QueryPageSettings += new QueryPageSettingsEventHandler(printDocument_QueryPageSettings);
log.richTextBox = richTextBox1;
encoder = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
encoder.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE; //二维码编码方式
encoder.QRCodeScale = 10; //每个小方格的宽度
encoder.QRCodeVersion = 5; //二维码版本号
encoder.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.M; //纠错码等级
sqlCon = new SqlConnection();
sqlCon.ConnectionString = sqlConnectionString;
try {
sqlCon.Open();
} catch (Exception ee) {
log.writeLogError("无法连接数据库,errorString=" + ee.Message);
return;
}
sqlCmd = new SqlCommand();
sqlCmd.Connection = sqlCon;
log.writeLogCommon("数据库连接成功");
}
private void btnGenerator_Click(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(txtQrCodeText.Text))
{
return;
}
ThoughtWorks.QRCode.Codec.QRCodeEncoder qrCodeEncoder = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
qrCodeEncoder.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.M;
var image = qrCodeEncoder.Encode(txtQrCodeText.Text);
imgQrCode.Source = BitmapToBitmapImage(image);
}
public static Bitmap CreateQrCode(string qrContent, string logoPicture)
{
ThoughtWorks.QRCode.Codec.QRCodeEncoder encoder = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
encoder.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE;
encoder.QRCodeScale = 5;
encoder.QRCodeVersion = 6;
Bitmap bmp = encoder.Encode(qrContent, System.Text.Encoding.UTF8);
Graphics g = Graphics.FromImage(bmp);
if (!string.IsNullOrEmpty(logoPicture) && System.IO.File.Exists(logoPicture))
{
Image logo = Image.FromFile(logoPicture);
g.DrawImage(logo, (bmp.Width - logo.Width) / 2, (bmp.Height - logo.Height) / 2, logo.Width, logo.Height);
}
return(bmp);
}
public void QRCode(PictureBox pic_box, string data)
{
try
{
ThoughtWorks.QRCode.Codec.QRCodeEncoder objQRCode = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
Image imgImage;
objQRCode.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE;
objQRCode.QRCodeScale = 4;
objQRCode.QRCodeVersion = 7;
objQRCode.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.L;
imgImage = objQRCode.Encode(data);
pic_box.Image = imgImage;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public static Image Generate(string data)
{
var qrCodeEncoder = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
qrCodeEncoder.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE;
qrCodeEncoder.QRCodeScale = 16;
qrCodeEncoder.QRCodeVersion = 4;
qrCodeEncoder.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.L;
Bitmap temp = null;
Action encode = null;
encode = () =>
{
try
{
temp = qrCodeEncoder.Encode(data, System.Text.Encoding.UTF8);
}
catch (Exception)
{
qrCodeEncoder.QRCodeVersion++;
encode();
}
};
encode();
Image image = new Bitmap(temp.Width + 10, temp.Height + 10);
Graphics gra = Graphics.FromImage(image);
gra.Clear(Color.White);
gra.DrawImage(temp, new Rectangle {
Width = temp.Width, Height = temp.Height, X = 10, Y = 10
},
new Rectangle {
Width = image.Width, Height = image.Width
}, GraphicsUnit.Pixel);
gra.Dispose();
return(image);
}
// http://stackoverflow.com/questions/4213788/how-to-create-clr-stored-procedure-with-nvarcharmax-parameter
// Warning: QR-Code has upper limit in number of characters accepted
public static byte[] GenerateQrCode(string data)
{
byte[] ba = null;
ThoughtWorks.QRCode.Codec.QRCodeEncoder QRcodeInstance = new ThoughtWorks.QRCode.Codec.QRCodeEncoder();
QRcodeInstance.QRCodeEncodeMode = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ENCODE_MODE.BYTE;
QRcodeInstance.QRCodeErrorCorrect = ThoughtWorks.QRCode.Codec.QRCodeEncoder.ERROR_CORRECTION.L; // H
QRcodeInstance.QRCodeScale = 2;
//QRcodeInstance.QRCodeVersion = 7;
QRcodeInstance.QRCodeVersion = 15; // 29
using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
{
using (System.Drawing.Image img = QRcodeInstance.Encode(data))
{
img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
}
ba = ms.ToArray();
}
return(ba);
}