using System; using System.Collections.Generic; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; using Rectangle = System.Drawing.Rectangle; using System.IO; namespace WpfApp288 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { string path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location); public MainWindow() { InitializeComponent(); SplitBigPicture(); } private void SplitBigPicture() { string imgUrl = @"../../Images/1.jpg"; int idx = 0; if (System.IO.File.Exists(imgUrl)) { Bitmap bp = new Bitmap(imgUrl); int originalWidth = bp.Width; int originalHeight = bp.Height; int newWidth = bp.Width / 8; int newHeight = bp.Height / 8; string destDir = System.IO.Path.Combine(path, "Split8"); if (!Directory.Exists(destDir)) { Directory.CreateDirectory(destDir); } for(int row=0;row<8;row++) { for(int col=0;col<8;col++) { Bitmap newBp = new Bitmap(newWidth, newHeight); using (Graphics g = Graphics.FromImage(newBp)) { Rectangle srcRect = new System.Drawing.Rectangle(0+col*newWidth, 0+row*newHeight, newWidth,newHeight); g.DrawImage(bp, 0,0, srcRect, GraphicsUnit.Pixel); } string newFileName = System.IO.Path.Combine(destDir, $"{row}_{col}.jpg"); newBp.Save(newFileName); } } } } } }
标签:picture,via,C#,System,Windows,int,bp,IO,using From: https://www.cnblogs.com/Fred1987/p/18382345