88 lines
2.1 KiB
C#
88 lines
2.1 KiB
C#
using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Markup.Xaml;
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using Avalonia.Media.Imaging;
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using Avalonia.Platform;
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using System;
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using System.ComponentModel;
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using System.IO;
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using ReactiveUI;
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namespace LibationAvalonia.Dialogs
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{
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public partial class ImageDisplayDialog : DialogWindow, INotifyPropertyChanged
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{
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public string PictureFileName { get; set; }
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public string BookSaveDirectory { get; set; }
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private byte[] _coverBytes;
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public byte[] CoverBytes
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{
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get => _coverBytes;
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set
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{
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_coverBytes = value;
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var ms = new MemoryStream(_coverBytes);
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ms.Position = 0;
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_bitmapHolder.CoverImage = new Bitmap(ms);
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}
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}
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private readonly BitmapHolder _bitmapHolder = new BitmapHolder();
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public ImageDisplayDialog()
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{
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InitializeComponent();
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DataContext = _bitmapHolder;
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}
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private void InitializeComponent()
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{
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AvaloniaXamlLoader.Load(this);
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}
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public async void SaveImage_Clicked(object sender, Avalonia.Interactivity.RoutedEventArgs e)
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{
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SaveFileDialog saveFileDialog = new();
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saveFileDialog.Filters.Add(new FileDialogFilter { Name = "Jpeg", Extensions = new System.Collections.Generic.List<string>() { "jpg" } });
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saveFileDialog.InitialFileName = PictureFileName;
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saveFileDialog.Directory
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= !App.IsWindows ? null
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: Directory.Exists(BookSaveDirectory) ? BookSaveDirectory
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: Path.GetDirectoryName(BookSaveDirectory);
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var fileName = await saveFileDialog.ShowAsync(this);
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if (fileName is null)
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return;
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try
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{
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File.WriteAllBytes(fileName, CoverBytes);
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}
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catch (Exception ex)
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{
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Serilog.Log.Logger.Error(ex, $"Failed to save picture to {fileName}");
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MessageBox.Show(this, $"An error was encountered while trying to save the picture\r\n\r\n{ex.Message}", "Failed to save picture", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
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}
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}
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public class BitmapHolder : ViewModels.ViewModelBase
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{
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private Bitmap _coverImage;
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public Bitmap CoverImage
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{
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get => _coverImage;
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set
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{
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this.RaiseAndSetIfChanged(ref _coverImage, value);
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}
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}
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}
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}
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}
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