实例介绍
【实例简介】
【实例截图】
【核心代码】
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 com.google.zxing;
using ByteMatrix = com.google.zxing.common.ByteMatrix;
using EAN13Writer = com.google.zxing.oned.EAN13Writer;
using EAN8Writer = com.google.zxing.oned.EAN8Writer;
using MultiFormatWriter = com.google.zxing.MultiFormatWriter;
using System.IO;
namespace GoogleQRCode
{
public partial class MainForm : Form
{
public MainForm()
{
InitializeComponent();
this.skinEngine1.SkinFile = Application.StartupPath "//skins//SportsGreen.ssk";
this.p1.Visible = true;
//this.p2.Visible = false;
//用于实现PictureBox的鼠标移动过去的提示
ToolTip toolTip = new ToolTip();
toolTip.AutoPopDelay = 5000;//一下4个都是属性
toolTip.InitialDelay = 1000;
toolTip.ReshowDelay = 500;
toolTip.ShowAlways = true;
toolTip.SetToolTip(this.open, "打开");//参数1是button名,参数2是要显示的内容
toolTip.SetToolTip(this.save, "保存");
toolTip.SetToolTip(this.print,"打印二维码");
toolTip.SetToolTip(this.decod,"解码");
toolTip.SetToolTip(this.exit,"返回生成二维码");
}
private void txtContent_TextChanged(object sender, EventArgs e)
{
string content = txtContent.Text;
if (content == "")
{
MessageBox.Show("请输入内容", "警告", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
ByteMatrix byteMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, 200, 200);
Bitmap bitmap = toBitmap(byteMatrix);
orpic.Image = bitmap;
}
public static Bitmap toBitmap(ByteMatrix matrix)
{
int width = matrix.Width;
int height = matrix.Height;
Bitmap bmap = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
for (int x = 0; x < width; x )
{
for (int y = 0; y < height; y )
{
bmap.SetPixel(x, y, matrix.get_Renamed(x, y) != -1 ? ColorTranslator.FromHtml("0xFF000000") : ColorTranslator.FromHtml("0xFFFFFFFF"));
}
}
return bmap;
}
private void timer_Tick(object sender, EventArgs e)
{
this.timeshowlable.Text = DateTime.Now.ToString();
}
private void MainForm_Load(object sender, EventArgs e)
{
}
private void exit_MouseMove(object sender, MouseEventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\exit-1.png");
this.exit.Image = map;
}
private void exit_MouseLeave(object sender, EventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\exit.png");
this.exit.Image = map;
}
private void print_MouseMove(object sender, MouseEventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\print-1.png");
this.print.Image = map;
}
private void print_MouseLeave(object sender, EventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\print.png");
this.print.Image = map;
}
private void open_MouseLeave(object sender, EventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\open.png");
this.open.Image = map;
}
private void open_MouseMove(object sender, MouseEventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\open-1.png");
this.open.Image = map;
}
private void save_MouseLeave(object sender, EventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\save.png");
this.save.Image = map;
}
private void save_MouseMove(object sender, MouseEventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\save-1.png");
this.save.Image = map;
}
private void decod_MouseMove(object sender, MouseEventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\encoding-1.png");
this.decod.Image = map;
}
private void decod_MouseLeave(object sender, EventArgs e)
{
System.Drawing.Bitmap map = new Bitmap(Application.StartupPath @"\image\encoding.png");
this.decod.Image = map;
}
private void open_Click(object sender, EventArgs e)
{
if (p1.Visible == true)
{
if (this.openFileDialog1.ShowDialog() != DialogResult.OK)
{
return;
}
string path = this.openFileDialog1.FileName;
openFileDialog1.DefaultExt = "*.txt";
openFileDialog1.Filter = "*.txt|";
if (path.EndsWith(".txt"))
{
string content = File.ReadAllText(path, Encoding.Default);
this.txtContent.Text = content;
}
else
{
MessageBox.Show("只能读取txt文件","提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
}
}
else
{
if (this.openFileDialog1.ShowDialog() != DialogResult.OK)
{
return;
}
string path = this.openFileDialog1.FileName;
if (!path.EndsWith(".png"))
{
MessageBox.Show("图像格式不正确，只能读取png文件", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
Image img = Image.FromFile(path);
Bitmap bmap;
try
{
bmap = new Bitmap(img);
}
catch (System.IO.IOException ioe)
{
MessageBox.Show(ioe.ToString());
return;
}
if (bmap == null)
{
MessageBox.Show("Could not decode image");
return;
}
else
{
this.picOpenQr.Image = bmap;
}
LuminanceSource source = new RGBLuminanceSource(bmap, bmap.Width, bmap.Height);
com.google.zxing.BinaryBitmap bitmap = new com.google.zxing.BinaryBitmap(new com.google.zxing.common.HybridBinarizer(source));
Result result;
try
{
result = new MultiFormatReader().decode(bitmap);
}
catch (ReaderException re)
{
MessageBox.Show(re.ToString());
return;
}
this.txtDencoder.Text = (result.Text);
}
}
}
private void save_Click(object sender, EventArgs e)
{
if (p1.Visible == true)
{
saveFileDialog1.Filter = "*.png|";
//saveFileDialog1.DefaultExt = "*.png";
saveFileDialog1.RestoreDirectory = true;
if (this.saveFileDialog1.ShowDialog() == DialogResult.OK)
{
string localPath = saveFileDialog1.FileName.ToString();
Image qrcode = orpic.Image;
if (qrcode == null)
{
MessageBox.Show("无保存项", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
if (localPath.EndsWith(".png"))
{
qrcode.Save(localPath);
}
else
{
qrcode.Save(localPath ".png");
}
}
}
}
else
{
saveFileDialog1.Filter = "*.txt|";
//saveFileDialog1.DefaultExt = "*.txt";
if(this.saveFileDialog1.ShowDialog()==DialogResult.OK)
{
string localPath = saveFileDialog1.FileName.ToString() ".txt";
if (File.Exists(localPath))
{
DialogResult RESULT = MessageBox.Show("是否确认覆盖原有文件?", "信息提示", MessageBoxButtons.YesNo);
if (RESULT.ToString().Equals("Yes"))
{
File.Delete(localPath);
File.AppendAllText(localPath, this.txtDencoder.Text, Encoding.Default);
}
else
{
return;
}
}
else
{
File.AppendAllText(localPath, this.txtDencoder.Text, Encoding.Default);
}
}
}
}
private void exit_Click(object sender, EventArgs e)
{
this.p2.Visible = false;
this.p1.Visible=true;
}
private void decod_Click(object sender, EventArgs e)
{
this.p2.Visible=true;
this.p1.Visible = !(p1.Visible);
}
private void print_Click(object sender, EventArgs e)
{
PrintDialog printDialog = new PrintDialog();
printDialog.Document = printDocument;
if (printDialog.ShowDialog() == DialogResult.OK) { try
{
printDocument.Print();
}
catch
{ //停止打印
printDocument.PrintController.OnEndPrint(printDocument, new System.Drawing.Printing.PrintEventArgs());
}
}
}
private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
if (this.p1.Visible == true)
{
e.Graphics.DrawImage(this.orpic.Image, 20, 20);
}
else
{
e.Graphics.DrawImage(this.picOpenQr.Image, 20, 20);
}
}
}
}
标签： 二维码
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