毕业后工作单位第一个工作：好坑~~~！
一个简单的小DEMO
各位大神勿喷
生成：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using ThoughtWorks.QRCode.Codec;
using ThoughtWorks.QRCode.Codec.Data;
namespace FrmImage
{
public partial class FrmImage1 : Form
{
public FrmImage1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
string enCodeString = this.textBox1.Text;
QRCodeEncoder qrce = new QRCodeEncoder();
this.pictureBox1.Image = qrce.Encode(enCodeString,Encoding.UTF8);
}
private void button2_Click(object sender, EventArgs e)
{
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "Jpg图像|*.jpg|Bmp图像|*.bmp";
sfd.Title = "保存图像";
if (sfd.ShowDialog() == DialogResult.OK)
{
pictureBox1.Image.Save(sfd.FileName);
}
}
private void button3_Click(object sender, EventArgs e)
{
FrmImage2 frm2 = new FrmImage2();
this.Hide();
frm2.ShowDialog();
}
}
}
拼接：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace FrmImage
{
public partial class FrmImage2 : Form
{
public FrmImage2()
{
InitializeComponent();
}
/// <summary>
/// 打开图像1
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog openpic1 = new OpenFileDialog();
if (openpic1.ShowDialog() == DialogResult.OK)
{
pictureBox1.Image = Image.FromFile(openpic1.FileName);
}
}
/// <summary>
/// 打开图像2
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog openpic2 = new OpenFileDialog();
if (openpic2.ShowDialog() == DialogResult.OK)
{
pictureBox2.Image = Image.FromFile(openpic2.FileName);
}
}
/// <summary>
/// 图像纵向拼接
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_Click(object sender, EventArgs e)
{
Bitmap firstmap = new Bitmap(pictureBox1.Image);
Bitmap secondmap = new Bitmap(pictureBox2.Image);
if (firstmap != null && secondmap != null)
{
Bitmap result = MergeImageHorizontal(firstmap, secondmap);
SaveFileDialog saveDG = new SaveFileDialog();
saveDG.Filter = "Jpeg图片(*.jpg)|*.jpg";
if (saveDG.ShowDialog() == DialogResult.OK)
{
result.Save(saveDG.FileName, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
}
private void button4_Click(object sender, EventArgs e)
{
Bitmap firstmap = new Bitmap(pictureBox1.Image);
Bitmap secondmap = new Bitmap(pictureBox2.Image);
if (firstmap != null && secondmap != null)
{
Bitmap result = MergeImageVertical(firstmap, secondmap);
if (result != null)
{
SaveFileDialog saveDG = new SaveFileDialog();
saveDG.Filter = "Jpeg图片(*.jpg)|*.jpg";
if (saveDG.ShowDialog() == DialogResult.OK)
{
result.Save(saveDG.FileName, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
}
}
private void FrmImage2_FormClosing(object sender, FormClosingEventArgs e)
{
Application.Exit();
}
#region 将两张图片沿水平方向拼接
/// <summary>
/// 将两张图片沿水平方向拼接
/// </summary>
/// <param name="firstmap">第一张图片</param>
/// <param name="secondmap">第二张图片</param>
/// <returns></returns>
private Bitmap MergeImageHorizontal(Bitmap firstMap, Bitmap secondMap)
{
Bitmap newMap = null;
int firstW, firstH, secondW, secondH;
firstW = firstMap.Width;
firstH = firstMap.Height;
secondW = secondMap.Width;
secondH = secondMap.Height;
BitmapData firstBD =
firstMap.LockBits(new Rectangle(0, 0, firstW, firstH),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
BitmapData secondBD =
secondMap.LockBits(new Rectangle(0, 0, secondW, secondH),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int firstStride = firstBD.Stride;
int secondStride = secondBD.Stride;
System.IntPtr firstScan0 = firstBD.Scan0;
System.IntPtr secondScan0 = secondBD.Scan0;
int maxH = firstH;
if (maxH < secondH)
{
maxH = secondH;
}
newMap = new Bitmap(firstW + secondW, maxH);
BitmapData newBD =
newMap.LockBits(new Rectangle(0, 0, firstW + secondW, maxH),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
System.IntPtr newScan0 = newBD.Scan0;
unsafe
{
int newMApStride = newBD.Stride;
byte* pFirst = (byte*)(void*)firstScan0;
byte* pSencond = (byte*)(void*)secondScan0;
byte* pNew = (byte*)(void*)newScan0;
int x, y, temp3W, tempYStride, tempYNewMapStride;
byte temp1;
// 写入左侧图像
temp3W = 3 * firstW;
for (y = 0; y < firstH; y++)
{
tempYStride = y * firstStride;
tempYNewMapStride = y * newMApStride;
for (x = 0; x < temp3W; x++)
{
temp1 = pFirst[x + tempYStride];
pNew[x + tempYNewMapStride] = temp1;
}
}
// 写入右侧图像
temp3W = 3 * secondW;
for (y = 0; y < secondH; y++)
{
tempYStride = y * secondStride;
tempYNewMapStride = y * (newMApStride) + firstStride;
for (x = 0; x < temp3W; x++)
{
temp1 = pSencond[x + tempYStride];
pNew[x + tempYNewMapStride] = temp1;
}
}
newMap.UnlockBits(newBD);
}
firstMap.UnlockBits(firstBD);
secondMap.UnlockBits(secondBD);
return newMap;
}
#endregion
#region 将两张图片沿垂直方向进行拼接
/// <summary>
/// 将两张图片沿垂直方向进行拼接
/// </summary>
/// <param name="firstMap">第一张图片</param>
/// <param name="secondMap">第二张图片</param>
/// <returns></returns>
private Bitmap MergeImageVertical(Bitmap firstMap, Bitmap secondMap)
{
Bitmap newMap = null;
int firstW, firstH, secondW, secondH;
firstW = firstMap.Width;
firstH = firstMap.Height;
secondW = secondMap.Width;
secondH = secondMap.Height;
BitmapData firstBD =
firstMap.LockBits(new Rectangle(0, 0, firstW, firstH),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
BitmapData secondBD =
secondMap.LockBits(new Rectangle(0, 0, secondW, secondH),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int firstStride = firstBD.Stride;
int secondStride = secondBD.Stride;
System.IntPtr firstScan0 = firstBD.Scan0;
System.IntPtr secondScan0 = secondBD.Scan0;
int maxW = firstW;
if (maxW < secondW)
maxW = secondW;
newMap = new Bitmap(maxW, firstH + secondH);
BitmapData newBD =
newMap.LockBits(new Rectangle(0, 0, maxW, firstH + secondH),
ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
System.IntPtr newScan0 = newBD.Scan0;
unsafe
{
int newMapStride = newBD.Stride;
byte* pFirst = (byte*)(void*)firstScan0;
byte* pSecond = (byte*)(void*)secondScan0;
byte* pNew = (byte*)(void*)newScan0;
int x, y, temp3W, tempYStride, tempYNewMapStride;
byte temp1;
//写入上边图像
temp3W = 3 * firstW;
for (y = 0; y < firstH; y++)
{
tempYStride = y * firstStride;
tempYNewMapStride = y * newMapStride;
for (x = 0; x < temp3W; x++)
{
temp1 = pFirst[x + tempYStride];
pNew[x + tempYNewMapStride] = temp1;
}
}
//写入下边图像
temp3W = 3 * secondW;
for (y = 0; y < secondH; y++)
{
tempYStride = y * secondStride;
tempYNewMapStride = (y + firstH) * (newMapStride);
for (x = 0; x < temp3W; x++)
{
temp1 = pSecond[x + tempYStride];
pNew[x + tempYNewMapStride] = temp1;
}
}
newMap.UnlockBits(newBD);
}
firstMap.UnlockBits(firstBD);
secondMap.UnlockBits(secondBD);
return newMap;
}
#endregion
}
}
原文：http://www.cnblogs.com/Adonia/p/3887130.html