110 lines
4.2 KiB
C#
110 lines
4.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.IO;
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using System.Windows;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using Microsoft.Win32;
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using System.Runtime.InteropServices;
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using System.Windows.Interop;
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using System.Windows.Media.Imaging;
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namespace RevitLess
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{
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public partial class MainViewModel : ObservableObject
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{
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[ObservableProperty]
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public partial List<RevitFileAssist.FamilyTypeDefinition> SymbolTypes { get; set; }
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[ObservableProperty]
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public partial RevitFileAssist.FamilyTypeDefinition SelectedSymbolType { get; set; }
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[ObservableProperty]
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public partial System.Windows.Media.ImageSource PreviewImage { get; set; }
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[ObservableProperty]
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public partial string FileInfo { get; set; }
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[DllImport("gdi32.dll")]
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static extern bool DeleteObject(IntPtr hObject);
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public static System.Windows.Media.ImageSource ToImageSource(System.Drawing.Image image)
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{
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if (image == null)
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{
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return null;
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}
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// 始终创建一个与输入 image 无关的 Bitmap 副本（深拷贝），
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// 然后从该副本获取 HBITMAP 并创建 WPF BitmapSource。
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// 这样可以确保底层 GDI+ 资源在返回后仍然有效（WPF 会复制像素数据）。
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using (System.Drawing.Bitmap clone = new System.Drawing.Bitmap(image))
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{
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IntPtr hBitmap = clone.GetHbitmap();
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try
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{
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System.Windows.Media.Imaging.BitmapSource bitmapSource = Imaging.CreateBitmapSourceFromHBitmap(
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hBitmap,
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IntPtr.Zero,
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Int32Rect.Empty,
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BitmapSizeOptions.FromEmptyOptions());
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bitmapSource.Freeze();
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return bitmapSource;
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}
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finally
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{
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// 释放由 GetHbitmap 创建的 GDI 对象
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DeleteObject(hBitmap);
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}
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}
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}
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private static System.Windows.Media.ImageSource ConvertImageToImageSource(System.Drawing.Image image)
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{
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using (var ms = new MemoryStream())
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{
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image.Save(ms, ImageFormat.Png);
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ms.Seek(0, SeekOrigin.Begin);
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var bitmap = new System.Windows.Media.Imaging.BitmapImage();
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bitmap.BeginInit();
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bitmap.CacheOption = System.Windows.Media.Imaging.BitmapCacheOption.OnLoad;
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bitmap.StreamSource = ms;
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bitmap.EndInit();
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bitmap.Freeze();
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return bitmap;
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}
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}
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[RelayCommand]
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private void OpenFile()
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{
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OpenFileDialog dialog = new OpenFileDialog();
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dialog.Filter = "Revit文件|*.rvt;*.rfa";
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if (dialog.ShowDialog() == true)
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{
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Storage storage = new Storage(dialog.FileName);
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//var image = storage.ThumbnailImage.GetPreviewAsImage();
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var info = new RevitFileAssist(dialog.FileName);
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PreviewImage = ToImageSource(info.PreviewImage);
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SymbolTypes = info.SymbolTypes;
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//FileInfo = info.FileInfo.ToString();
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//FileInfo = storage.BasicInfo.ToString();
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//SaveImage(dialog.FileName);
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}
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}
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private static void SaveImage(string filePath)
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{
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var fi = new System.IO.FileInfo(filePath);
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Storage storage = new Storage(fi.FullName);
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var b = storage.ThumbnailImage.GetPreviewAsImage();
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MessageBox.Show(storage.BasicInfo.ToString());
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//Bitmap bm = new Bitmap(b.Width, b.Height, PixelFormat.Format24bppRgb);
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//Graphics g = Graphics.FromImage(bm);
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//g.DrawImage(b, new Point(0, 0));
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//g.Dispose();
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//bm.Save(Path.Combine(fi.Directory.FullName, "_Images", fi.Name.Remove(fi.Name.Length - 4) + ".png"), System.Drawing.Imaging.ImageFormat.Png);
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}
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}
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}
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