【曾经】图片快速分割

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Threading.Tasks;
  9 using System.Windows.Forms;
 10 using System.Drawing.Imaging;
 11 using System.IO;
 12
 13 namespace picfg
 14 {
 15     public partial class Form1 : Form
 16     {
 17         public Form1()
 18         {
 19             InitializeComponent();
 20         }
 21
 22         private void button1_Click(object sender, EventArgs e)
 23         {
 24
 25            openFileDialog1.ShowDialog();
 26            textBox1.Text = openFileDialog1.FileName;
 27            if (openFileDialog1.FileName != "")
 28            {
 29                pictureBox1.Load(openFileDialog1.FileName);
 30                label7.Text = pictureBox1.Image.Width.ToString() + " x " + pictureBox1.Image.Height.ToString();
 31                button2.Enabled = true;
 32            }
 33
 34         }
 35         string folder="";
 36         private void button2_Click(object sender, EventArgs e)
 37         {
 38
 39             if (!(textBox4.Text == "" || textBox3.Text == "" || textBox5.Text == ""))
 40             {
 41
 42                 int w, h, x, y;
 43                 int n = int.Parse(textBox2.Text);  //行
 44                 int m = int.Parse(textBox3.Text);  //列
 45                 int index = int.Parse(textBox5.Text);
 46                 string file;
 47                 w = pictureBox1.Image.Width / m;
 48                 h = pictureBox1.Image.Height / n;
 49
 50                 for (int i = 0; i < n; i++)
 51                 {
 52                     for (int j = 0; j < m; j++)
 53                     {
 54                         y = i * h;
 55                         x = j * w;
 56                         string dir = Application.StartupPath + "\\" + textBox4.Text + "\\";
 57                         folder = dir;
 58                         if (!Directory.Exists(dir)) Directory.CreateDirectory(dir);
 59                         file = Application.StartupPath + "\\" + textBox4.Text + "\\" + textBox4.Text + (index + i * m + j) + comboBox1.Text;
 60
 61                         picjq(pictureBox1.Image, w, h, x, y, file, comboBox1.Text);
 62
 63
 64                     }
 65                 }
 66                 MessageBox.Show("分割完成");
 67             }
 68             else MessageBox.Show("编辑框不能为空，请填写完整！");
 69
 70         }
 71
 72
 73
 74
 75         private void picjq(Image img,int w,int h,int x,int y,string file,string type)
 76         {
 77             Bitmap bitmap = new Bitmap(w, h);  //创建新图位图
 78             Graphics graphics = Graphics.FromImage(bitmap); //创建作图区域
 79             graphics.DrawImage(img, new Rectangle(0, 0, w, h), new Rectangle(x, y, w, h), GraphicsUnit.Pixel);//截取原图相应区域写入作图区
 80             Image saveImage = Image.FromHbitmap(bitmap.GetHbitmap()); //从作图区生成新图
 81            // pictureBox1.Image = saveImage;
 82             //保存图象
 83             switch(type)
 84             {
 85                 case ".jpg": saveImage.Save(file, ImageFormat.Jpeg); break;
 86                 case ".gif": saveImage.Save(file, ImageFormat.Gif); break;
 87                 case ".bmp": saveImage.Save(file, ImageFormat.Bmp); break;
 88                 case ".png": saveImage.Save(file, ImageFormat.Png); break;
 89                 default: saveImage.Save(file, ImageFormat.Jpeg); break;
 90
 91             }
 92             saveImage.Dispose(); //释放
 93             bitmap.Dispose();
 94             graphics.Dispose();
 95
 96
 97
 98         }
 99         //限定textbox只能输入数字
100         private void textBox2_TextChanged(object sender, EventArgs e)
101         {
102             if (textBox2.Text!="")label8.Text = "将被分割成" + textBox2.Text + "行";
103             else label8.Text = "";
104         }
105
106         private void textBox2_KeyPress(object sender, KeyPressEventArgs e)
107         {
108             e.Handled = e.KeyChar < ‘1‘ || e.KeyChar > ‘9‘;
109             if (e.KeyChar == (char)8) e.Handled = false;
110         }
111
112         private void textBox3_KeyPress(object sender, KeyPressEventArgs e)
113         {
114             e.Handled = e.KeyChar < ‘0‘ || e.KeyChar > ‘9‘;
115             if (e.KeyChar == (char)8) e.Handled = false;
116
117         }
118
119         private void textBox5_KeyPress(object sender, KeyPressEventArgs e)
120         {
121             e.Handled = e.KeyChar < ‘0‘ || e.KeyChar > ‘9‘;
122             if (e.KeyChar == (char)8) e.Handled = false;
123
124         }
125
126         private void textBox3_TextChanged(object sender, EventArgs e)
127         {
128             if (textBox3.Text != "") label9.Text = "将被分割成" + textBox3.Text + "列";
129             else label9.Text = "";
130         }
131
132         private void button3_Click(object sender, EventArgs e)
133         {
134             if(folder!="")System.Diagnostics.Process.Start("Explorer.exe",folder);
135             else System.Diagnostics.Process.Start("Explorer.exe", Application.StartupPath);
136         }
137
138
139
140
141
142
143
144
145     }
146 }

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