using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
using ThoughtWorks.QRCode.Codec.Util;
using System.IO; namespace QRCode
{
public partial class FMain : Form
{
public FMain()
{
InitializeComponent();
string[] cbversion = new string[];
for (int i = ; i <= ; i++)
{
cbversion[i] = i.ToString();
}
cbVersion.DataSource = cbversion;
cbVersion.Text = "";
cbEncoding.Text = "Byte";
cbCorrectionLevel.Text = "M"; } private void btnEncode_Click(object sender, EventArgs e)
{
string encoding = cbEncoding.Text;
string correctionLever = cbCorrectionLevel.Text;
int version = Convert.ToInt32(cbVersion.Text);
int scale;
if (!int.TryParse(txtScale.Text.Trim(), out scale))
{
MessageBox.Show("Scale必须为数字");
return;
}
string data = txtData.Text.Trim();
if (data == string.Empty)
{
MessageBox.Show("数据不能为空，请输入数据哦！");
return;
}
QRCodeEncoder qrCodeEncoder = new QRCodeEncoder();//创建一个对象
switch (encoding)//设置编码模式
{
case "Byte":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.BYTE;
break; case "AlphaNumeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.ALPHA_NUMERIC;
break; case "Numeric":
qrCodeEncoder.QRCodeEncodeMode = QRCodeEncoder.ENCODE_MODE.NUMERIC;
break;
}
//设置编码测量度
qrCodeEncoder.QRCodeScale = scale;
//设置编码版本
qrCodeEncoder.QRCodeVersion = version;
if (correctionLever == "L")//设置编码错误纠正
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.L;
}
else if (correctionLever == "M")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.M;
}
else if (correctionLever == "Q")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.Q;
}
else if (correctionLever == "H")
{
qrCodeEncoder.QRCodeErrorCorrect = QRCodeEncoder.ERROR_CORRECTION.H;
}
qrCodeEncoder.QRCodeForegroundColor = btnQRCodeForegroundColor.BackColor;//设置二维码前景色
qrCodeEncoder.QRCodeBackgroundColor = btnQRCodeBackgroundColor.BackColor;//设置二维码背景色
Image image = qrCodeEncoder.Encode(data,Encoding.UTF8);//生成二维码图片 if (txtLogo.Text.Trim() != string.Empty)//如果有logo的话则添加logo
{
Bitmap btm = new Bitmap(txtLogo.Text);
Bitmap copyImage = new Bitmap(btm,image.Width/,image.Height/);
Graphics g = Graphics.FromImage(image);
int x = image.Width / - copyImage.Width / ;
int y = image.Height / - copyImage.Height / ;
g.DrawImage(copyImage,x,y);
}
picEncode.Image = image;
} private void btnDecode_Click(object sender, EventArgs e)
{
try
{
string decodedString = new QRCodeDecoder().decode(new QRCodeBitmapImage(new Bitmap(picEncode.Image)),Encoding.UTF8);
txtData.Text = decodedString;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} private void btnSave_Click(object sender, EventArgs e)//保存二维码到磁盘
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "JPeg Image|*.jpg|Bitmap Image|*.bmp|Gif Image|*.gif|PNG Image|*.png";
sfd.Title = "保存二维码";
sfd.FileName = string.Empty;
if (picEncode.Image != null)
{
if (sfd.ShowDialog() == DialogResult.OK && sfd.FileName != "")
{
using (FileStream fs = (FileStream)sfd.OpenFile())
{
switch (sfd.FilterIndex)
{
case :
picEncode.Image.Save(fs, System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case :
picEncode.Image.Save(fs, System.Drawing.Imaging.ImageFormat.Bmp);
break;
case :
picEncode.Image.Save(fs, System.Drawing.Imaging.ImageFormat.Gif);
break;
case :
picEncode.Image.Save(fs, System.Drawing.Imaging.ImageFormat.Png);
break;
}
}
MessageBox.Show("恭喜，保存成功！");
}
}
else
{
MessageBox.Show("抱歉，没有要保存的图片哦！");
}
} private void btnPrint_Click(object sender, EventArgs e)
{ } private void btnOpen_Click(object sender, EventArgs e)//打开要选的logo文件
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "JPeg Image|*.jpg|Bitmap Image|*.bmp|Gif Image|*.gif|PNG Image|*.png";
if (ofd.ShowDialog() == DialogResult.OK)
{
String fileName = ofd.FileName;
picEncode.Image = new Bitmap(fileName); }
} private void btnChooseLogo_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "JPeg Image|*.jpg|Bitmap Image|*.bmp|Gif Image|*.gif|PNG Image|*.png";
if (ofd.ShowDialog() == DialogResult.OK)
{
txtLogo.Text = ofd.FileName;
}
} private void btnQRCodeForegroundColor_Click(object sender, EventArgs e)
{
ColorDialog cd = new ColorDialog();
if (cd.ShowDialog() == DialogResult.OK)
{
btnQRCodeForegroundColor.BackColor = cd.Color;
}
} private void btnQRCodeBackgroundColor_Click(object sender, EventArgs e)
{
ColorDialog cd = new ColorDialog();
if (cd.ShowDialog() == DialogResult.OK)
{
btnQRCodeBackgroundColor.BackColor = cd.Color;
}
}
}
}