Migrate image checksum window from Eto.Forms to Avalonia.

This commit is contained in:
2020-04-12 21:32:27 +01:00
parent 864b3942e5
commit 133242b95e
9 changed files with 830 additions and 620 deletions

View File

@@ -1223,8 +1223,6 @@
<e p="frmDecodeMediaTags.xeto.cs" t="Include" />
<e p="frmDump.xeto" t="Include" />
<e p="frmDump.xeto.cs" t="Include" />
<e p="frmImageChecksum.xeto" t="Include" />
<e p="frmImageChecksum.xeto.cs" t="Include" />
<e p="frmImageConvert.xeto" t="Include" />
<e p="frmImageConvert.xeto.cs" t="Include" />
<e p="frmImageEntropy.xeto" t="Include" />
@@ -1242,6 +1240,7 @@
</e>
<e p="Models" t="Include">
<e p="AssemblyModel.cs" t="Include" />
<e p="ChecksumModel.cs" t="Include" />
<e p="DeviceModel.cs" t="Include" />
<e p="DeviceStatsModel.cs" t="Include" />
<e p="DevicesRootModel.cs" t="Include" />
@@ -1305,6 +1304,7 @@
<e p="DvdInfoViewModel.cs" t="Include" />
<e p="DvdWritableInfoViewModel.cs" t="Include" />
<e p="EncodingsDialogViewModel.cs" t="Include" />
<e p="ImageChecksumViewModel.cs" t="Include" />
<e p="ImageInfoViewModel.cs" t="Include" />
<e p="LicenseDialogViewModel.cs" t="Include" />
<e p="MainWindowViewModel.cs" t="Include" />
@@ -1325,6 +1325,8 @@
<e p="ConsoleDialog.xaml.cs" t="Include" />
<e p="EncodingsDialog.xaml" t="Include" />
<e p="EncodingsDialog.xaml.cs" t="Include" />
<e p="ImageChecksumWindow.xaml" t="Include" />
<e p="ImageChecksumWindow.xaml.cs" t="Include" />
<e p="LicenseDialog.xaml" t="Include" />
<e p="LicenseDialog.xaml.cs" t="Include" />
<e p="MainWindow.xaml" t="Include" />

View File

@@ -316,40 +316,40 @@ namespace Aaru.Core
f16Thread.IsAlive ||
f32Thread.IsAlive) {}
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Adler32))
adlerThread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Crc16))
crc16Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Crc32))
crc32Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Crc16))
crc64Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Md5))
md5Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Sha1))
sha1Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Sha256))
sha256Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Sha384))
sha384Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Sha512))
sha512Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
spamsumThread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Fletcher16))
f16Thread = new Thread(UpdateHash);
if(enabled.HasFlag(EnableChecksum.SpamSum))
if(enabled.HasFlag(EnableChecksum.Fletcher32))
f32Thread = new Thread(UpdateHash);
}

View File

@@ -1,98 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?><!--
// /***************************************************************************
// The Disc Image Chef
// ============================================================================
//
// Filename : frmImageChecksum.xeto
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Image checksum calculation window.
//
// ==[ Description ] ==========================================================
//
// Defines the structure for the image checksum GUI window.
//
// ==[ License ] ==============================================================
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General public License for more details.
//
// You should have received a copy of the GNU General public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ============================================================================
// Copyright © 2011-2020 Natalia Portillo
// ****************************************************************************/
-->
<Form xmlns="http://schema.picoe.ca/eto.forms" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Verify image" ClientSize="600, 450" Padding="10">
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch">
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkOptions">
<CheckBox Text="Checksums the whole disc." ID="chkChecksumMedia" Checked="True"/>
<CheckBox Text="Checksums each track separately." ID="chkChecksumTracks" Checked="True"/>
<CheckBox Text="Calculates Adler-32." ID="chkAdler32" Checked="True"/>
<CheckBox Text="Calculates CRC16." ID="chkCrc16" Checked="True"/>
<CheckBox Text="Calculates CRC32." ID="chkCrc32" Checked="True"/>
<CheckBox Text="Calculates CRC64 (ECMA)." ID="chkCrc64" Checked="False"/>
<CheckBox Text="Calculates Fletcher-16." ID="chkFletcher16" Checked="False"/>
<CheckBox Text="Calculates Fletcher-32." ID="chkFletcher32" Checked="False"/>
<CheckBox Text="Calculates MD5." ID="chkMd5" Checked="True"/>
<CheckBox Text="Calculates SHA1." ID="chkSha1" Checked="True"/>
<CheckBox Text="Calculates SHA256." ID="chkSha256" Checked="False"/>
<CheckBox Text="Calculates SHA384." ID="chkSha384" Checked="False"/>
<CheckBox Text="Calculates SHA512." ID="chkSha512" Checked="False"/>
<CheckBox Text="Calculates SpamSum fuzzy hash." ID="chkSpamsum" Checked="True"/>
</StackLayout>
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkResults" Visible="False">
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkTrackChecksums" Visible="False">
<GroupBox ID="grpTrackChecksums">
<TreeGridView ID="treeTrackChecksums"/>
</GroupBox>
</StackLayout>
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkMediaChecksums" Visible="False">
<GroupBox ID="grpMediaChecksums">
<TreeGridView ID="treeMediaChecksums"/>
</GroupBox>
</StackLayout>
</StackLayout>
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkProgress" Visible="False">
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkProgress1">
<StackLayoutItem HorizontalAlignment="Center" Expand="True">
<Label ID="lblProgress"/>
</StackLayoutItem>
<StackLayoutItem HorizontalAlignment="Center" Expand="True">
<ProgressBar ID="prgProgress"/>
</StackLayoutItem>
</StackLayout>
<StackLayout Orientation="Vertical" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Stretch"
ID="stkProgress2">
<StackLayoutItem HorizontalAlignment="Center" Expand="True">
<Label ID="lblProgress2"/>
</StackLayoutItem>
<StackLayoutItem HorizontalAlignment="Center" Expand="True">
<ProgressBar ID="prgProgress2"/>
</StackLayoutItem>
</StackLayout>
</StackLayout>
<StackLayoutItem HorizontalAlignment="Right" Expand="True">
<StackLayout Orientation="Horizontal" HorizontalContentAlignment="Right" VerticalContentAlignment="Bottom">
<Button ID="btnStart" Text="Start" Click="OnBtnStart"/>
<Button ID="btnClose" Text="Close" Click="OnBtnClose"/>
<Button ID="btnStop" Text="Stop" Enabled="False" Visible="False" Click="OnBtnStop"/>
</StackLayout>
</StackLayoutItem>
</StackLayout>
</Form>

View File

@@ -1,500 +0,0 @@
// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : frmImageChecksum.xeto.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Image checksum calculation window.
//
// --[ Description ] ----------------------------------------------------------
//
// Implements creating checksums of a media image.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General public License for more details.
//
// You should have received a copy of the GNU General public License
// along with this program. If not, see ;http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2020 Natalia Portillo
// ****************************************************************************/
using System;
using System.Threading;
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Structs;
using Aaru.Console;
using Aaru.Core;
using Eto.Forms;
using Eto.Serialization.Xaml;
using Schemas;
namespace Aaru.Gui.Forms
{
public class frmImageChecksum : Form
{
// How many sectors to read at once
const uint SECTORS_TO_READ = 256;
readonly IMediaImage inputFormat;
bool cancel;
public frmImageChecksum(IMediaImage inputFormat)
{
this.inputFormat = inputFormat;
XamlReader.Load(this);
cancel = false;
try
{
chkChecksumTracks.Visible = (inputFormat as IOpticalMediaImage)?.Tracks?.Count > 0;
}
catch
{
chkChecksumTracks.Visible = false;
}
chkChecksumTracks.Checked = chkChecksumTracks.Visible;
chkChecksumMedia.Visible = chkChecksumTracks.Visible;
}
protected void OnBtnStart(object sender, EventArgs e)
{
chkAdler32.Enabled = false;
chkChecksumMedia.Enabled = false;
chkChecksumTracks.Enabled = false;
chkCrc16.Enabled = false;
chkCrc32.Enabled = false;
chkCrc64.Enabled = false;
chkFletcher16.Enabled = false;
chkFletcher32.Enabled = false;
chkMd5.Enabled = false;
chkSha1.Enabled = false;
chkSha256.Enabled = false;
chkSha384.Enabled = false;
chkSha512.Enabled = false;
chkSpamsum.Enabled = false;
btnClose.Visible = false;
btnStart.Visible = false;
btnStop.Visible = true;
stkProgress.Visible = true;
lblProgress2.Visible = false;
new Thread(DoWork).Start();
}
void DoWork()
{
var opticalMediaImage = inputFormat as IOpticalMediaImage;
bool formatHasTracks = false;
if(opticalMediaImage != null)
try
{
formatHasTracks = opticalMediaImage.Tracks?.Count > 0;
}
catch
{
formatHasTracks = false;
}
// Setup progress bars
Application.Instance.Invoke(() =>
{
stkProgress.Visible = true;
prgProgress.MaxValue = 1;
prgProgress2.MaxValue = (int)(inputFormat.Info.Sectors / SECTORS_TO_READ);
if(formatHasTracks &&
chkChecksumTracks.Checked == true &&
opticalMediaImage != null)
prgProgress.MaxValue += opticalMediaImage.Tracks.Count;
else
{
prgProgress.MaxValue = 2;
prgProgress2.Visible = false;
lblProgress2.Visible = false;
}
});
var enabledChecksums = new EnableChecksum();
if(chkAdler32.Checked == true)
enabledChecksums |= EnableChecksum.Adler32;
if(chkCrc16.Checked == true)
enabledChecksums |= EnableChecksum.Crc16;
if(chkCrc32.Checked == true)
enabledChecksums |= EnableChecksum.Crc32;
if(chkCrc64.Checked == true)
enabledChecksums |= EnableChecksum.Crc64;
if(chkMd5.Checked == true)
enabledChecksums |= EnableChecksum.Md5;
if(chkSha1.Checked == true)
enabledChecksums |= EnableChecksum.Sha1;
if(chkSha256.Checked == true)
enabledChecksums |= EnableChecksum.Sha256;
if(chkSha384.Checked == true)
enabledChecksums |= EnableChecksum.Sha384;
if(chkSha512.Checked == true)
enabledChecksums |= EnableChecksum.Sha512;
if(chkSpamsum.Checked == true)
enabledChecksums |= EnableChecksum.SpamSum;
if(chkFletcher16.Checked == true)
enabledChecksums |= EnableChecksum.Fletcher16;
if(chkFletcher32.Checked == true)
enabledChecksums |= EnableChecksum.Fletcher32;
Checksum mediaChecksum = null;
var trackHashes = new TreeGridItemCollection();
var mediaHashes = new TreeGridItemCollection();
if(opticalMediaImage != null)
try
{
Checksum trackChecksum = null;
if(chkChecksumMedia.Checked == true)
mediaChecksum = new Checksum(enabledChecksums);
ulong previousTrackEnd = 0;
foreach(Track currentTrack in opticalMediaImage.Tracks)
{
Application.Instance.Invoke(() =>
{
lblProgress.Text =
$"Hashing track {currentTrack.TrackSequence} of {opticalMediaImage.Tracks.Count}";
prgProgress.Value++;
});
if(currentTrack.TrackStartSector - previousTrackEnd != 0 &&
chkChecksumMedia.Checked == true)
for(ulong i = previousTrackEnd + 1; i < currentTrack.TrackStartSector; i++)
{
ulong sector = i;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(sector / SECTORS_TO_READ);
lblProgress2.Text = $"Hashing track-less sector {sector}";
});
byte[] hiddenSector = opticalMediaImage.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
AaruConsole.DebugWriteLine("Checksum command",
"Track {0} starts at sector {1} and ends at sector {2}",
currentTrack.TrackSequence, currentTrack.TrackStartSector,
currentTrack.TrackEndSector);
if(chkChecksumTracks.Checked == true)
trackChecksum = new Checksum(enabledChecksums);
ulong sectors = (currentTrack.TrackEndSector - currentTrack.TrackStartSector) + 1;
ulong doneSectors = 0;
while(doneSectors < sectors)
{
if(cancel)
{
Application.Instance.Invoke(() =>
{
btnClose.Visible = true;
btnStart.Visible = false;
btnStop.Visible = false;
});
return;
}
byte[] sector;
if(sectors - doneSectors >= SECTORS_TO_READ)
{
sector = opticalMediaImage.ReadSectors(doneSectors, SECTORS_TO_READ,
currentTrack.TrackSequence);
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ} of track {currentTrack.TrackSequence}";
});
doneSectors += SECTORS_TO_READ;
}
else
{
sector = opticalMediaImage.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.TrackSequence);
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (sectors - doneSectorsToInvoke)} of track {currentTrack.TrackSequence}";
});
doneSectors += sectors - doneSectors;
}
if(chkChecksumMedia.Checked == true)
mediaChecksum?.Update(sector);
if(chkChecksumTracks.Checked == true)
trackChecksum?.Update(sector);
}
if(chkChecksumTracks.Checked == true)
if(trackChecksum != null)
foreach(ChecksumType chk in trackChecksum.End())
trackHashes.Add(new TreeGridItem
{
Values = new object[]
{
currentTrack.TrackSequence, chk.type, chk.Value
}
});
previousTrackEnd = currentTrack.TrackEndSector;
}
if(opticalMediaImage.Info.Sectors - previousTrackEnd != 0 &&
chkChecksumMedia.Checked == true)
for(ulong i = previousTrackEnd + 1; i < opticalMediaImage.Info.Sectors; i++)
{
ulong sector = i;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(sector / SECTORS_TO_READ);
lblProgress2.Text = $"Hashing track-less sector {sector}";
});
byte[] hiddenSector = opticalMediaImage.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
if(chkChecksumMedia.Checked == true)
if(mediaChecksum != null)
foreach(ChecksumType chk in mediaChecksum.End())
mediaHashes.Add(new TreeGridItem
{
Values = new object[]
{
chk.type, chk.Value
}
});
}
catch(Exception ex)
{
AaruConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
AaruConsole.WriteLine("Unable to get separate tracks, not checksumming them");
}
else
{
Application.Instance.Invoke(() =>
{
stkProgress1.Visible = false;
});
mediaChecksum = new Checksum(enabledChecksums);
ulong doneSectors = 0;
while(doneSectors < inputFormat.Info.Sectors)
{
if(cancel)
{
Application.Instance.Invoke(() =>
{
btnClose.Visible = true;
btnStart.Visible = false;
btnStop.Visible = false;
});
return;
}
byte[] sector;
if(inputFormat.Info.Sectors - doneSectors >= SECTORS_TO_READ)
{
sector = inputFormat.ReadSectors(doneSectors, SECTORS_TO_READ);
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ}";
});
doneSectors += SECTORS_TO_READ;
}
else
{
sector = inputFormat.ReadSectors(doneSectors, (uint)(inputFormat.Info.Sectors - doneSectors));
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (inputFormat.Info.Sectors - doneSectorsToInvoke)}";
});
doneSectors += inputFormat.Info.Sectors - doneSectors;
}
mediaChecksum.Update(sector);
}
foreach(ChecksumType chk in mediaChecksum.End())
mediaHashes.Add(new TreeGridItem
{
Values = new object[]
{
chk.type, chk.Value
}
});
}
if(chkChecksumTracks.Checked == true)
Application.Instance.Invoke(() =>
{
grpTrackChecksums.Text = "Track checksums:";
stkTrackChecksums.Visible = true;
treeTrackChecksums.Columns.Add(new GridColumn
{
HeaderText = "Track", DataCell = new TextBoxCell(0)
});
treeTrackChecksums.Columns.Add(new GridColumn
{
HeaderText = "Algorithm", DataCell = new TextBoxCell(1)
});
treeTrackChecksums.Columns.Add(new GridColumn
{
HeaderText = "Hash", DataCell = new TextBoxCell(2)
});
treeTrackChecksums.AllowMultipleSelection = false;
treeTrackChecksums.ShowHeader = true;
treeTrackChecksums.DataStore = trackHashes;
});
if(chkChecksumMedia.Checked == true)
Application.Instance.Invoke(() =>
{
grpMediaChecksums.Text = "Media checksums:";
stkMediaChecksums.Visible = true;
treeMediaChecksums.Columns.Add(new GridColumn
{
HeaderText = "Algorithm", DataCell = new TextBoxCell(0)
});
treeMediaChecksums.Columns.Add(new GridColumn
{
HeaderText = "Hash", DataCell = new TextBoxCell(1)
});
treeMediaChecksums.AllowMultipleSelection = false;
treeMediaChecksums.ShowHeader = true;
treeMediaChecksums.DataStore = mediaHashes;
});
Statistics.AddCommand("checksum");
Application.Instance.Invoke(() =>
{
stkOptions.Visible = false;
stkResults.Visible = true;
stkProgress.Visible = false;
btnStart.Visible = false;
btnStop.Visible = false;
btnClose.Visible = true;
});
}
protected void OnBtnClose(object sender, EventArgs e) => Close();
protected void OnBtnStop(object sender, EventArgs e)
{
cancel = true;
btnStop.Enabled = false;
}
#region XAML IDs
StackLayout stkOptions;
CheckBox chkChecksumMedia;
CheckBox chkChecksumTracks;
CheckBox chkAdler32;
CheckBox chkCrc16;
CheckBox chkCrc32;
CheckBox chkCrc64;
CheckBox chkFletcher16;
CheckBox chkFletcher32;
CheckBox chkMd5;
CheckBox chkSha1;
CheckBox chkSha256;
CheckBox chkSha384;
CheckBox chkSha512;
CheckBox chkSpamsum;
StackLayout stkResults;
StackLayout stkTrackChecksums;
GroupBox grpTrackChecksums;
TreeGridView treeTrackChecksums;
StackLayout stkMediaChecksums;
GroupBox grpMediaChecksums;
TreeGridView treeMediaChecksums;
StackLayout stkProgress;
StackLayout stkProgress1;
Label lblProgress;
ProgressBar prgProgress;
StackLayout stkProgress2;
Label lblProgress2;
ProgressBar prgProgress2;
Button btnStart;
Button btnClose;
Button btnStop;
#endregion
}
}

View File

@@ -0,0 +1,9 @@
namespace Aaru.Gui.Models
{
public class ChecksumModel
{
public string Track { get; set; }
public string Algorithm { get; set; }
public string Hash { get; set; }
}
}

View File

@@ -0,0 +1,665 @@
using System;
using System.Collections.ObjectModel;
using System.Reactive;
using System.Threading;
using Aaru.CommonTypes.Interfaces;
using Aaru.CommonTypes.Structs;
using Aaru.Console;
using Aaru.Core;
using Aaru.Gui.Models;
using Avalonia.Controls;
using Avalonia.Threading;
using ReactiveUI;
using Schemas;
namespace Aaru.Gui.ViewModels
{
public class ImageChecksumViewModel : ViewModelBase
{
// How many sectors to read at once
const uint SECTORS_TO_READ = 256;
readonly IMediaImage _inputFormat;
readonly Window _view;
bool _adler32Checked;
bool _cancel;
bool _checksumMediaChecked;
bool _checksumTracksChecked;
bool _checksumTracksVisible;
bool _closeCommandEnabled;
bool _closeCommandVisible;
bool _crc16Checked;
bool _crc32Checked;
bool _crc64Checked;
bool _fletcher16Checked;
bool _fletcher32Checked;
bool _md5Checked;
bool _mediaChecksumsVisible;
bool _optionsEnabled;
bool _progress1Visible;
double _progress2Max;
string _progress2Text;
double _progress2Value;
bool _progress2Visible;
double _progressMax;
string _progressText;
double _progressValue;
bool _progressVisible;
bool _resultsVisible;
bool _sha1Checked;
bool _sha256Checked;
bool _sha384Checked;
bool _sha512Checked;
bool _spamsumChecked;
bool _startCommandEnabled;
bool _startCommandVisible;
bool _stopCommandEnabled;
bool _stopCommandVisible;
string _title;
bool _trackChecksumsVisible;
public ImageChecksumViewModel(IMediaImage inputFormat, Window view)
{
_view = view;
_cancel = false;
_inputFormat = inputFormat;
ChecksumTracksChecked = ChecksumTracksVisible;
OptionsEnabled = true;
ChecksumMediaChecked = true;
ChecksumTracksChecked = true;
Adler32Checked = true;
Crc16Checked = true;
Crc32Checked = true;
Md5Checked = true;
Sha1Checked = true;
SpamsumChecked = true;
TrackChecksums = new ObservableCollection<ChecksumModel>();
MediaChecksums = new ObservableCollection<ChecksumModel>();
StartCommand = ReactiveCommand.Create(ExecuteStartCommand);
CloseCommand = ReactiveCommand.Create(ExecuteCloseCommand);
StopCommand = ReactiveCommand.Create(ExecuteStopCommand);
StopCommandVisible = false;
StartCommandVisible = true;
CloseCommandVisible = true;
StopCommandEnabled = true;
StartCommandEnabled = true;
CloseCommandEnabled = true;
try
{
ChecksumTracksVisible = (inputFormat as IOpticalMediaImage)?.Tracks?.Count > 0;
}
catch
{
ChecksumTracksVisible = false;
}
}
public string Title
{
get => _title;
set => this.RaiseAndSetIfChanged(ref _title, value);
}
public bool OptionsEnabled
{
get => _optionsEnabled;
set => this.RaiseAndSetIfChanged(ref _optionsEnabled, value);
}
public bool ChecksumMediaChecked
{
get => _checksumMediaChecked;
set => this.RaiseAndSetIfChanged(ref _checksumMediaChecked, value);
}
public bool ChecksumTracksChecked
{
get => _checksumTracksChecked;
set => this.RaiseAndSetIfChanged(ref _checksumTracksChecked, value);
}
public bool Adler32Checked
{
get => _adler32Checked;
set => this.RaiseAndSetIfChanged(ref _adler32Checked, value);
}
public bool Crc16Checked
{
get => _crc16Checked;
set => this.RaiseAndSetIfChanged(ref _crc16Checked, value);
}
public bool Crc32Checked
{
get => _crc32Checked;
set => this.RaiseAndSetIfChanged(ref _crc32Checked, value);
}
public bool Crc64Checked
{
get => _crc64Checked;
set => this.RaiseAndSetIfChanged(ref _crc64Checked, value);
}
public bool Fletcher16Checked
{
get => _fletcher16Checked;
set => this.RaiseAndSetIfChanged(ref _fletcher16Checked, value);
}
public bool Fletcher32Checked
{
get => _fletcher32Checked;
set => this.RaiseAndSetIfChanged(ref _fletcher32Checked, value);
}
public bool Md5Checked
{
get => _md5Checked;
set => this.RaiseAndSetIfChanged(ref _md5Checked, value);
}
public bool Sha1Checked
{
get => _sha1Checked;
set => this.RaiseAndSetIfChanged(ref _sha1Checked, value);
}
public bool Sha256Checked
{
get => _sha256Checked;
set => this.RaiseAndSetIfChanged(ref _sha256Checked, value);
}
public bool Sha384Checked
{
get => _sha384Checked;
set => this.RaiseAndSetIfChanged(ref _sha384Checked, value);
}
public bool Sha512Checked
{
get => _sha512Checked;
set => this.RaiseAndSetIfChanged(ref _sha512Checked, value);
}
public bool SpamsumChecked
{
get => _spamsumChecked;
set => this.RaiseAndSetIfChanged(ref _spamsumChecked, value);
}
public bool ResultsVisible
{
get => _resultsVisible;
set => this.RaiseAndSetIfChanged(ref _resultsVisible, value);
}
public bool TrackChecksumsVisible
{
get => _trackChecksumsVisible;
set => this.RaiseAndSetIfChanged(ref _trackChecksumsVisible, value);
}
public bool MediaChecksumsVisible
{
get => _mediaChecksumsVisible;
set => this.RaiseAndSetIfChanged(ref _mediaChecksumsVisible, value);
}
public bool ProgressVisible
{
get => _progressVisible;
set => this.RaiseAndSetIfChanged(ref _progressVisible, value);
}
public bool Progress1Visible
{
get => _progress1Visible;
set => this.RaiseAndSetIfChanged(ref _progress1Visible, value);
}
public string ProgressText
{
get => _progressText;
set => this.RaiseAndSetIfChanged(ref _progressText, value);
}
public double ProgressMax
{
get => _progressMax;
set => this.RaiseAndSetIfChanged(ref _progressMax, value);
}
public double ProgressValue
{
get => _progressValue;
set => this.RaiseAndSetIfChanged(ref _progressValue, value);
}
public bool Progress2Visible
{
get => _progress2Visible;
set => this.RaiseAndSetIfChanged(ref _progress2Visible, value);
}
public string Progress2Text
{
get => _progress2Text;
set => this.RaiseAndSetIfChanged(ref _progress2Text, value);
}
public double Progress2Max
{
get => _progress2Max;
set => this.RaiseAndSetIfChanged(ref _progress2Max, value);
}
public double Progress2Value
{
get => _progress2Value;
set => this.RaiseAndSetIfChanged(ref _progress2Value, value);
}
public bool StartCommandEnabled
{
get => _startCommandEnabled;
set => this.RaiseAndSetIfChanged(ref _startCommandEnabled, value);
}
public bool StartCommandVisible
{
get => _startCommandVisible;
set => this.RaiseAndSetIfChanged(ref _startCommandVisible, value);
}
public bool CloseCommandEnabled
{
get => _closeCommandEnabled;
set => this.RaiseAndSetIfChanged(ref _closeCommandEnabled, value);
}
public bool CloseCommandVisible
{
get => _closeCommandVisible;
set => this.RaiseAndSetIfChanged(ref _closeCommandVisible, value);
}
public bool StopCommandEnabled
{
get => _stopCommandEnabled;
set => this.RaiseAndSetIfChanged(ref _stopCommandEnabled, value);
}
public bool StopCommandVisible
{
get => _stopCommandVisible;
set => this.RaiseAndSetIfChanged(ref _stopCommandVisible, value);
}
public bool ChecksumTracksVisible
{
get => _checksumTracksVisible;
set => this.RaiseAndSetIfChanged(ref _stopCommandVisible, value);
}
public ObservableCollection<ChecksumModel> TrackChecksums { get; }
public ObservableCollection<ChecksumModel> MediaChecksums { get; }
public ReactiveCommand<Unit, Unit> StartCommand { get; }
public ReactiveCommand<Unit, Unit> CloseCommand { get; }
public ReactiveCommand<Unit, Unit> StopCommand { get; }
void ExecuteStartCommand()
{
OptionsEnabled = false;
CloseCommandVisible = false;
StartCommandVisible = false;
StopCommandVisible = true;
ProgressVisible = true;
Progress1Visible = true;
Progress2Visible = false;
new Thread(DoWork)
{
Priority = ThreadPriority.BelowNormal
}.Start();
}
void ExecuteCloseCommand() => _view.Close();
internal void ExecuteStopCommand()
{
_cancel = true;
StopCommandEnabled = false;
}
async void DoWork()
{
var opticalMediaImage = _inputFormat as IOpticalMediaImage;
bool formatHasTracks = false;
if(opticalMediaImage != null)
try
{
formatHasTracks = opticalMediaImage.Tracks?.Count > 0;
}
catch
{
formatHasTracks = false;
}
// Setup progress bars
await Dispatcher.UIThread.InvokeAsync(() =>
{
ProgressVisible = true;
Progress1Visible = true;
Progress2Visible = true;
ProgressMax = 1;
Progress2Max = (int)(_inputFormat.Info.Sectors / SECTORS_TO_READ);
if(formatHasTracks &&
ChecksumTracksChecked &&
opticalMediaImage != null)
ProgressMax += opticalMediaImage.Tracks.Count;
else
{
ProgressMax = 2;
Progress2Visible = false;
}
});
var enabledChecksums = new EnableChecksum();
if(Adler32Checked)
enabledChecksums |= EnableChecksum.Adler32;
if(Crc16Checked)
enabledChecksums |= EnableChecksum.Crc16;
if(Crc32Checked)
enabledChecksums |= EnableChecksum.Crc32;
if(Crc64Checked)
enabledChecksums |= EnableChecksum.Crc64;
if(Md5Checked)
enabledChecksums |= EnableChecksum.Md5;
if(Sha1Checked)
enabledChecksums |= EnableChecksum.Sha1;
if(Sha256Checked)
enabledChecksums |= EnableChecksum.Sha256;
if(Sha384Checked)
enabledChecksums |= EnableChecksum.Sha384;
if(Sha512Checked)
enabledChecksums |= EnableChecksum.Sha512;
if(SpamsumChecked)
enabledChecksums |= EnableChecksum.SpamSum;
if(Fletcher16Checked)
enabledChecksums |= EnableChecksum.Fletcher16;
if(Fletcher32Checked)
enabledChecksums |= EnableChecksum.Fletcher32;
Checksum mediaChecksum = null;
if(opticalMediaImage?.Tracks != null)
try
{
Checksum trackChecksum = null;
if(ChecksumMediaChecked)
mediaChecksum = new Checksum(enabledChecksums);
ulong previousTrackEnd = 0;
foreach(Track currentTrack in opticalMediaImage.Tracks)
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
ProgressText =
$"Hashing track {currentTrack.TrackSequence} of {opticalMediaImage.Tracks.Count}";
ProgressValue++;
});
if(currentTrack.TrackStartSector - previousTrackEnd != 0 && ChecksumMediaChecked)
for(ulong i = previousTrackEnd + 1; i < currentTrack.TrackStartSector; i++)
{
ulong sector = i;
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress2Value = (int)(sector / SECTORS_TO_READ);
Progress2Text = $"Hashing track-less sector {sector}";
});
byte[] hiddenSector = opticalMediaImage.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
AaruConsole.DebugWriteLine("Checksum command",
"Track {0} starts at sector {1} and ends at sector {2}",
currentTrack.TrackSequence, currentTrack.TrackStartSector,
currentTrack.TrackEndSector);
if(ChecksumTracksChecked)
trackChecksum = new Checksum(enabledChecksums);
ulong sectors = (currentTrack.TrackEndSector - currentTrack.TrackStartSector) + 1;
ulong doneSectors = 0;
while(doneSectors < sectors)
{
if(_cancel)
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
CloseCommandVisible = true;
StartCommandVisible = false;
StopCommandVisible = false;
});
return;
}
byte[] sector;
if(sectors - doneSectors >= SECTORS_TO_READ)
{
sector = opticalMediaImage.ReadSectors(doneSectors, SECTORS_TO_READ,
currentTrack.TrackSequence);
ulong doneSectorsToInvoke = doneSectors;
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
Progress2Text =
$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ} of track {currentTrack.TrackSequence}";
});
doneSectors += SECTORS_TO_READ;
}
else
{
sector = opticalMediaImage.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.TrackSequence);
ulong doneSectorsToInvoke = doneSectors;
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
Progress2Text =
$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (sectors - doneSectorsToInvoke)} of track {currentTrack.TrackSequence}";
});
doneSectors += sectors - doneSectors;
}
if(ChecksumMediaChecked)
mediaChecksum?.Update(sector);
if(ChecksumTracksChecked)
trackChecksum?.Update(sector);
}
await Dispatcher.UIThread.InvokeAsync(() =>
{
if(ChecksumTracksChecked != true)
return;
if(trackChecksum == null)
return;
foreach(ChecksumType chk in trackChecksum.End())
TrackChecksums.Add(new ChecksumModel
{
Track = currentTrack.TrackSequence.ToString(), Algorithm = chk.type.ToString(),
Hash = chk.Value
});
});
previousTrackEnd = currentTrack.TrackEndSector;
}
if(opticalMediaImage.Info.Sectors - previousTrackEnd != 0 && ChecksumMediaChecked)
for(ulong i = previousTrackEnd + 1; i < opticalMediaImage.Info.Sectors; i++)
{
ulong sector = i;
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress2Value = (int)(sector / SECTORS_TO_READ);
Progress2Text = $"Hashing track-less sector {sector}";
});
byte[] hiddenSector = opticalMediaImage.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
await Dispatcher.UIThread.InvokeAsync(() =>
{
if(mediaChecksum == null)
return;
foreach(ChecksumType chk in mediaChecksum.End())
MediaChecksums.Add(new ChecksumModel
{
Algorithm = chk.type.ToString(), Hash = chk.Value
});
});
}
catch(Exception ex)
{
AaruConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
AaruConsole.WriteLine("Unable to get separate tracks, not checksumming them");
}
else
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress1Visible = false;
});
mediaChecksum = new Checksum(enabledChecksums);
ulong doneSectors = 0;
while(doneSectors < _inputFormat.Info.Sectors)
{
if(_cancel)
{
await Dispatcher.UIThread.InvokeAsync(() =>
{
CloseCommandVisible = true;
StartCommandVisible = false;
StopCommandVisible = false;
});
return;
}
byte[] sector;
if(_inputFormat.Info.Sectors - doneSectors >= SECTORS_TO_READ)
{
sector = _inputFormat.ReadSectors(doneSectors, SECTORS_TO_READ);
ulong doneSectorsToInvoke = doneSectors;
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
Progress2Text =
$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ}";
});
doneSectors += SECTORS_TO_READ;
}
else
{
sector = _inputFormat.ReadSectors(doneSectors, (uint)(_inputFormat.Info.Sectors - doneSectors));
ulong doneSectorsToInvoke = doneSectors;
await Dispatcher.UIThread.InvokeAsync(() =>
{
Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
Progress2Text =
$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (_inputFormat.Info.Sectors - doneSectorsToInvoke)}";
});
doneSectors += _inputFormat.Info.Sectors - doneSectors;
}
mediaChecksum.Update(sector);
}
await Dispatcher.UIThread.InvokeAsync(() =>
{
foreach(ChecksumType chk in mediaChecksum.End())
MediaChecksums.Add(new ChecksumModel
{
Algorithm = chk.type.ToString(), Hash = chk.Value
});
});
}
if(ChecksumTracksChecked)
await Dispatcher.UIThread.InvokeAsync(() =>
{
TrackChecksumsVisible = true;
});
if(ChecksumMediaChecked)
await Dispatcher.UIThread.InvokeAsync(() =>
{
MediaChecksumsVisible = true;
});
Statistics.AddCommand("checksum");
await Dispatcher.UIThread.InvokeAsync(() =>
{
OptionsEnabled = false;
ResultsVisible = true;
ProgressVisible = false;
StartCommandVisible = false;
StopCommandVisible = false;
CloseCommandVisible = true;
});
}
}
}

View File

@@ -13,6 +13,7 @@ using Aaru.Decoders.SCSI;
using Aaru.Decoders.Xbox;
using Aaru.Gui.Models;
using Aaru.Gui.Tabs;
using Aaru.Gui.Views;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Media.Imaging;
@@ -29,7 +30,9 @@ namespace Aaru.Gui.ViewModels
readonly IMediaImage _imageFormat;
readonly Window _view;
IFilter _filter;
string _imagePath;
ImageChecksumWindow _imageChecksumWindow;
string _imagePath;
public ImageInfoViewModel(string imagePath, IFilter filter, IMediaImage imageFormat, Window view)
@@ -744,23 +747,22 @@ namespace Aaru.Gui.ViewModels
protected void ExecuteChecksumCommand()
{
/* TODO: frmImageChecksum
if(frmImageChecksum != null)
if(_imageChecksumWindow != null)
{
frmImageChecksum.Show();
_imageChecksumWindow.Show();
return;
}
frmImageChecksum = new frmImageChecksum(imageFormat);
_imageChecksumWindow = new ImageChecksumWindow();
_imageChecksumWindow.DataContext = new ImageChecksumViewModel(_imageFormat, _imageChecksumWindow);
frmImageChecksum.Closed += (s, ea) =>
_imageChecksumWindow.Closed += (sender, args) =>
{
frmImageChecksum = null;
_imageChecksumWindow = null;
};
frmImageChecksum.Show();
*/
_imageChecksumWindow.Show();
}
protected void ExecuteConvertCommand()

View File

@@ -0,0 +1,103 @@
<Window xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:vm="clr-namespace:Aaru.Gui.ViewModels;assembly=Aaru.Gui"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignWidth="800"
d:DesignHeight="450" x:Class="Aaru.Gui.Views.ImageChecksumWindow" Icon="/Assets/aaru-logo.png"
Title="{Binding Title}">
<Design.DataContext>
<vm:ImageChecksumViewModel />
</Design.DataContext>
<StackPanel Orientation="Vertical">
<StackPanel Orientation="Vertical">
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsVisible="{Binding ChecksumTracksVisible}"
IsChecked="{Binding ChecksumMediaChecked}">
<TextBlock Text="Checksums the whole disc." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsVisible="{Binding ChecksumTracksVisible}"
IsChecked="{Binding ChecksumTracksChecked}">
<TextBlock Text="Checksums each track separately." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Adler32Checked}">
<TextBlock Text="Calculates Adler-32." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Crc16Checked}">
<TextBlock Text="Calculates CRC16." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Crc32Checked}">
<TextBlock Text="Calculates CRC32." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Crc64Checked}">
<TextBlock Text="Calculates CRC64 (ECMA)." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Fletcher16Checked}">
<TextBlock Text="Calculates Fletcher-16." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Fletcher32Checked}">
<TextBlock Text="Calculates Fletcher-32." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Md5Checked}">
<TextBlock Text="Calculates MD5." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Sha1Checked}">
<TextBlock Text="Calculates SHA1." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Sha256Checked}">
<TextBlock Text="Calculates SHA256." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Sha384Checked}">
<TextBlock Text="Calculates SHA384." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding Sha512Checked}">
<TextBlock Text="Calculates SHA512." />
</CheckBox>
<CheckBox IsEnabled="{Binding OptionsEnabled}" IsChecked="{Binding SpamsumChecked}">
<TextBlock Text="Calculates SpamSum fuzzy hash." />
</CheckBox>
</StackPanel>
<StackPanel Orientation="Vertical" IsVisible="{Binding ResultsVisible}">
<StackPanel Orientation="Vertical" IsVisible="{Binding TrackChecksumsVisible}">
<TextBlock Text="Track checksums:" />
<DataGrid Items="{Binding TrackChecksums}">
<DataGrid.Columns>
<DataGridTextColumn Header="Track" Binding="{Binding Track}" />
<DataGridTextColumn Header="Algorithms" Binding="{Binding Algorithm}" />
<DataGridTextColumn Header="Hash" Binding="{Binding Value}" />
</DataGrid.Columns>
</DataGrid>
</StackPanel>
<StackPanel Orientation="Vertical" IsVisible="{Binding MediaChecksumsVisible}">
<TextBlock Text="Media checksums:" />
<DataGrid Items="{Binding MediaChecksums}">
<DataGrid.Columns>
<DataGridTextColumn Header="Algorithms" Binding="{Binding Algorithm}" />
<DataGridTextColumn Header="Hash" Binding="{Binding Value}" />
</DataGrid.Columns>
</DataGrid>
</StackPanel>
</StackPanel>
<StackPanel Orientation="Vertical" IsVisible="{Binding ProgressVisible}">
<StackPanel Orientation="Vertical" IsVisible="{Binding Progress1Visible}">
<TextBlock Text="{Binding ProgressText}" />
<ProgressBar Maximum="{Binding ProgressMax}" Value="{Binding ProgressValue}" />
</StackPanel>
<StackPanel Orientation="Vertical" IsVisible="{Binding Progress2Visible}">
<TextBlock Text="{Binding Progress2Text}" />
<ProgressBar Maximum="{Binding Progress2Max}" Value="{Binding Progress2Value}" />
</StackPanel>
</StackPanel>
<StackPanel Orientation="Horizontal">
<Button Command="{Binding StartCommand}" IsEnabled="{Binding StartCommandEnabled}"
IsVisible="{Binding StartCommandVisible}">
<TextBlock Text="Start" />
</Button>
<Button Command="{Binding CloseCommand}" IsEnabled="{Binding CloseCommandEnabled}"
IsVisible="{Binding CloseCommandVisible}">
<TextBlock Text="Close" />
</Button>
<Button Command="{Binding StopCommand}" IsEnabled="{Binding StopCommandEnabled}"
IsVisible="{Binding StopCommandVisible}">
<TextBlock Text="Stop" />
</Button>
</StackPanel>
</StackPanel>
</Window>

View File

@@ -0,0 +1,27 @@
using System.ComponentModel;
using Aaru.Gui.ViewModels;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace Aaru.Gui.Views
{
public class ImageChecksumWindow : Window
{
public ImageChecksumWindow()
{
InitializeComponent();
#if DEBUG
this.AttachDevTools();
#endif
}
void InitializeComponent() => AvaloniaXamlLoader.Load(this);
protected override void OnClosing(CancelEventArgs e)
{
(DataContext as ImageChecksumViewModel)?.ExecuteStopCommand();
base.OnClosing(e);
}
}
}