初始化上传

2025-08-26 08:37:44 +08:00
commit 31d81b91b6
448 changed files with 80981 additions and 0 deletions
--- a/常用工具集/ViewModels/03图片相关/GIF分割ViewModel.cs
+++ b/常用工具集/ViewModels/03图片相关/GIF分割ViewModel.cs
@@ -0,0 +1,125 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Windows.Forms;
+using Avalonia;
+using Avalonia.Platform.Storage;
+using Avalonia.Threading;
+using Ursa.Controls;
+using 常用工具集.Base;
+
+namespace 常用工具集.ViewModel._03图片相关
+{
+    public class GIF分割ViewModel : ViewModelBase
+    {
+
+        public List<string> Paths { get; set; } = new List<string>();
+        public string ButtonName { get; set; } = "导出文件";
+        public string Path1 { get; set; } = "";
+        public string Path2 { get; set; } = "";
+        public DelegateCommand SelectGifCmd { get; set; }
+        public DelegateCommand SelectExportPathCmd { get; set; }
+
+        public DelegateCommand ExportCmd { get; set; }
+
+        public GIF分割ViewModel()
+        {
+            SelectGifCmd = new DelegateCommand(SelectGifCmdFunc);
+            SelectExportPathCmd = new DelegateCommand(SelectExportPathCmdFunc);
+            ExportCmd = new DelegateCommand(ExportCmdFunc);
+        }
+
+
+        private async void SelectGifCmdFunc(object obj)
+        {
+            var sp = GlobalValues.StorageProvider;
+            if (sp is null) return;
+            FilePickerOpenOptions options = new FilePickerOpenOptions();
+            options.Title = "选择GIF文件";
+            options.AllowMultiple = false;
+            options.FileTypeFilter = [
+                new FilePickerFileType("GIF文件")
+                {
+                    Patterns = new[] { "*.gif" },
+                    AppleUniformTypeIdentifiers = new[] { "public.gif" },
+                    MimeTypes = new[] { "image/gif" }
+                }];
+            var result = await sp.OpenFilePickerAsync(options);
+            if (result == null || result.Count == 0) return;
+            Path1 = result.FirstOrDefault()?.Path.LocalPath;
+        }
+
+        private async void SelectExportPathCmdFunc(object obj)
+        {
+            var sp = GlobalValues.StorageProvider;
+            if (sp is null) return;
+            var result = await sp.OpenFolderPickerAsync(new FolderPickerOpenOptions()
+            {
+                Title = "Select Folder",
+                AllowMultiple = false,
+            });
+            if (result == null || result.Count == 0) return;
+            Path2 = result.FirstOrDefault()?.Path.LocalPath;
+        }
+
+        private void ExportCmdFunc(object obj)
+        {
+            string gifPath = Path1.Trim();
+            string folderPaht = Path2.Trim();
+            if (string.IsNullOrEmpty(gifPath) || string.IsNullOrEmpty(folderPaht))
+            {
+                MessageBox.ShowAsync("请选择gif路径或者导出路径!");
+                return;
+            }
+
+            if (ButtonName == "导出文件")
+            {
+                ButtonName = "导出中...";
+                //开启线程导出图片
+                Thread thread = new Thread(Export);
+                thread.Start();
+            }
+            else
+            {
+                MessageBox.ShowAsync("正在导出中!");
+                return;
+            }
+        }
+
+        /// <summary>
+        /// 导出jpg图片
+        /// </summary>
+        private void Export()
+        {
+            string gifPath = Path1.Trim();
+            string folderPaht = Path2.Trim();
+            Image img = Image.FromFile(gifPath);
+            FrameDimension fd = new FrameDimension(img.FrameDimensionsList[0]);
+            //获取gif帧的数量
+            int count = img.GetFrameCount(fd);
+            //遍历保存图片
+            for (int i = 0; i < count; i++)
+            {
+                img.SelectActiveFrame(fd, i);
+                string imgPath = folderPaht + "\\frame" + (i + 1) + ".png";
+                //判断同名文件是否存在
+                if (File.Exists(imgPath))
+                {
+                    File.Delete(imgPath);
+                }
+                //保存图片 一定要设置格式 否则保存出来的图片都是一张图片
+                img.Save(imgPath, ImageFormat.Png);
+            }
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                GlobalValues.Success("文件导出成功!");
+                ButtonName = "导出文件";
+            });
+
+        }
+    }
+}