WPF 获取指定目录下的图片文件，然后进行切割

2019-11-06 06:50:59

字体：大中小

来源：转载

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PRivate void Window_Loaded(object sender, RoutedEventArgs e) { string imgtype = "*.BMP|*.JPG"; string[] ImageType = imgtype.Split('|'); for (int i = 0; i < ImageType.Length; i++) { string[] files = Directory.GetFiles(@"E://CJImage", ImageType[i]); if (files != null) { for (int j = 0; j < files.Length; j++) { string extension = Path.GetExtension(files[j]); if (extension.ToLower() == ".jpg" || extension.ToLower() == ".bmp") { this.imagePath = files[j]; FileInfo fileInfo = new FileInfo(files[j]); int iCount = (int)fileInfo.Length / 10000000; int rows = iCount < 1 ? 1 : iCount; int columns = 1; System.Drawing.Image img = System.Drawing.Image.FromFile(imagePath); int sh = img.Height / rows; int sw = img.Width / columns; for (int k = 0; k < rows; k++) { CreateSlice(0, k * sh, sw, sh,Path.Combine(new string[] { @"E://CutImage//", String.Format("{0}{1}x{2}{3}",Path.GetFileNameWithoutExtension(imagePath), k + 1, 1,Path.GetExtension(imagePath)) })); } img.Dispose(); } } } } MessageBox.Show("图片切片完成！"); GC.Collect(); } #region 切片 /// <summary> /// 切片 /// </summary> /// <param name="x"></param> /// <param name="y"></param> /// <param name="width"></param> /// <param name="height"></param> /// <param name="saveTo"></param> public void CreateSlice(int x, int y, int width, int height, string saveTo) { System.Drawing.Image img = System.Drawing.Image.FromFile(imagePath); System.Drawing.Image bitmap = new System.Drawing.Bitmap(width, height); System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap); g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High; g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; g.Clear(System.Drawing.Color.Transparent); g.DrawImage(img, new System.Drawing.Rectangle(0, 0, width, height), new System.Drawing.Rectangle(x, y, width, height), System.Drawing.GraphicsUnit.Pixel); try { bitmap.Save(saveTo, System.Drawing.Imaging.ImageFormat.Jpeg); } catch (Exception ex) { throw ex; } finally { bitmap.Dispose(); img.Dispose(); g.Dispose(); } } #endregion

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