WPF C# split picture into small pieces and show in grid cells
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); List<List<string>> imgsList = new List<List<string>>(); public MainWindow() { InitializeComponent(); WindowState = WindowState.Maximized; SplitBigPicture(); ShowSplitImageInGridCells(); } private void ShowSplitImageInGridCells() { Grid gd = new Grid(); gd.ShowGridLines = true; for (int i = 0; i < 8; i++) { RowDefinition rowDef = new RowDefinition(); gd.RowDefinitions.Add(rowDef); ColumnDefinition colDef = new ColumnDefinition(); gd.ColumnDefinitions.Add(colDef); } for (int row = 0; row < 8; row++) { var colImgsList = imgsList[row]; for (int col = 0; col < 8; col++) { System.Windows.Controls.Image img = new System.Windows.Controls.Image(); img.Stretch = Stretch.Fill; Grid.SetRow(img, row); Grid.SetColumn(img, col); img.Source=new BitmapImage(new Uri(colImgsList[col], UriKind.RelativeOrAbsolute)); gd.Children.Add(img); } } this.Content = gd; } 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++) { List<string> colsImgsList = new List<string>(); 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"); colsImgsList.Add(newFileName); newBp.Save(newFileName); } imgsList.Add(colsImgsList); } } } } }