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Code Issues Projects Releases Packages Wiki Activity Actions 2

feature: supports preview and diff with image files

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This commit is contained in:
leo 2024-03-27 21:38:38 +08:00
parent 5ef542f92d
commit 6950055f24
9 changed files with 268 additions and 51 deletions
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40
src/SourceGit/Commands/GetImageFileAsBitmap.cs Normal file
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@ -0,0 +1,40 @@
using System;
using System.Diagnostics;
using System.IO;
using Avalonia.Media.Imaging;
namespace SourceGit.Commands
{
public static class GetImageFileAsBitmap
{
public static Bitmap Run(string repo, string revision, string file)
{
var starter = new ProcessStartInfo();
starter.WorkingDirectory = repo;
starter.FileName = Native.OS.GitInstallPath;
starter.Arguments = $"show {revision}:\"{file}\"";
starter.UseShellExecute = false;
starter.CreateNoWindow = true;
starter.WindowStyle = ProcessWindowStyle.Hidden;
starter.RedirectStandardOutput = true;
try
{
var stream = new MemoryStream();
var proc = new Process() { StartInfo = starter };
proc.Start();
proc.StandardOutput.BaseStream.CopyTo(stream);
proc.WaitForExit();
proc.Close();
stream.Position = 0;
return new Bitmap(stream);
}
catch
{
return null;
}
}
}
}

8
src/SourceGit/Models/DiffResult.cs
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@ -2,6 +2,8 @@
using System.Text;
using System.Text.RegularExpressions;
using Avalonia.Media.Imaging;
namespace SourceGit.Models
{
public enum TextDiffLineType
@ -547,6 +549,12 @@ namespace SourceGit.Models
public long NewSize { get; set; } = 0;
}
public class ImageDiff
{
public Bitmap Old { get; set; } = null;
public Bitmap New { get; set; } = null;
}
public class NoOrEOLChange
{
}

9
src/SourceGit/Models/RevisionFile.cs
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@ -1,10 +1,17 @@
namespace SourceGit.Models
using Avalonia.Media.Imaging;
namespace SourceGit.Models
{
public class RevisionBinaryFile
{
public long Size { get; set; } = 0;
}
public class RevisionImageFile
{
public Bitmap Image { get; set; } = null;
}
public class RevisionTextFile
{
public string FileName { get; set; }

26
src/SourceGit/ViewModels/CommitDetail.cs
View file

@ -432,11 +432,24 @@ namespace SourceGit.ViewModels
var isBinary = new Commands.IsBinary(_repo, _commit.SHA, file.Path).Result();
if (isBinary)
{
var size = new Commands.QueryFileSize(_repo, file.Path, _commit.SHA).Result();
Dispatcher.UIThread.Invoke(() =>
var ext = Path.GetExtension(file.Path);
if (IMG_EXTS.Contains(ext))
{
ViewRevisionFileContent = new Models.RevisionBinaryFile() { Size = size };
});
var bitmap = Commands.GetImageFileAsBitmap.Run(_repo, _commit.SHA, file.Path);
Dispatcher.UIThread.Invoke(() =>
{
ViewRevisionFileContent = new Models.RevisionImageFile() { Image = bitmap };
});
}
else
{
var size = new Commands.QueryFileSize(_repo, file.Path, _commit.SHA).Result();
Dispatcher.UIThread.Invoke(() =>
{
ViewRevisionFileContent = new Models.RevisionBinaryFile() { Size = size };
});
}
return;
}
@ -485,6 +498,11 @@ namespace SourceGit.ViewModels
}
}
private static readonly HashSet<string> IMG_EXTS = new HashSet<string>()
{
".ico", ".bmp", ".jpg", ".png", ".jpeg"
};
private string _repo = string.Empty;
private int _activePageIndex = 0;
private Models.Commit _commit = null;

95
src/SourceGit/ViewModels/DiffContext.cs
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@ -1,4 +1,5 @@
using System.IO;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Avalonia;
@ -46,12 +47,6 @@ namespace SourceGit.ViewModels
private set => SetProperty(ref _isLoading, value);
}
public bool IsNoChange
{
get => _isNoChange;
private set => SetProperty(ref _isNoChange, value);
}
public bool IsTextDiff
{
get => _isTextDiff;
@ -77,7 +72,6 @@ namespace SourceGit.ViewModels
if (previous != null)
{
_isNoChange = previous._isNoChange;
_isTextDiff = previous._isTextDiff;
_content = previous._content;
}
@ -89,53 +83,62 @@ namespace SourceGit.ViewModels
Task.Run(() =>
{
var latest = new Commands.Diff(repo, option).Result();
var binaryDiff = null as Models.BinaryDiff;
var rs = null as object;
if (latest.IsBinary)
if (latest.TextDiff != null)
{
latest.TextDiff.File = _option.Path;
rs = latest.TextDiff;
}
else if (latest.IsBinary)
{
binaryDiff = new Models.BinaryDiff();
var oldPath = string.IsNullOrEmpty(_option.OrgPath) ? _option.Path : _option.OrgPath;
if (option.Revisions.Count == 2)
var ext = Path.GetExtension(oldPath);
if (IMG_EXTS.Contains(ext))
{
binaryDiff.OldSize = new Commands.QueryFileSize(repo, oldPath, option.Revisions[0]).Result();
binaryDiff.NewSize = new Commands.QueryFileSize(repo, _option.Path, option.Revisions[1]).Result();
var imgDiff = new Models.ImageDiff();
if (option.Revisions.Count == 2)
{
imgDiff.Old = Commands.GetImageFileAsBitmap.Run(repo, option.Revisions[0], oldPath);
imgDiff.New = Commands.GetImageFileAsBitmap.Run(repo, option.Revisions[1], oldPath);
}
else
{
imgDiff.Old = Commands.GetImageFileAsBitmap.Run(repo, "HEAD", oldPath);
imgDiff.New = File.Exists(_option.Path) ? new Avalonia.Media.Imaging.Bitmap(_option.Path) : null;
}
rs = imgDiff;
}
else
{
binaryDiff.OldSize = new Commands.QueryFileSize(repo, oldPath, "HEAD").Result();
binaryDiff.NewSize = new FileInfo(Path.Combine(repo, _option.Path)).Length;
var binaryDiff = new Models.BinaryDiff();
if (option.Revisions.Count == 2)
{
binaryDiff.OldSize = new Commands.QueryFileSize(repo, oldPath, option.Revisions[0]).Result();
binaryDiff.NewSize = new Commands.QueryFileSize(repo, _option.Path, option.Revisions[1]).Result();
}
else
{
binaryDiff.OldSize = new Commands.QueryFileSize(repo, oldPath, "HEAD").Result();
binaryDiff.NewSize = new FileInfo(Path.Combine(repo, _option.Path)).Length;
}
rs = binaryDiff;
}
}
else if (latest.IsLFS)
{
rs = latest.LFSDiff;
}
else
{
rs = new Models.NoOrEOLChange();
}
Dispatcher.UIThread.Post(() =>
{
if (latest.IsBinary)
{
Content = binaryDiff;
IsTextDiff = false;
IsNoChange = false;
}
else if (latest.IsLFS)
{
Content = latest.LFSDiff;
IsTextDiff = false;
IsNoChange = false;
}
else if (latest.TextDiff != null)
{
latest.TextDiff.File = _option.Path;
Content = latest.TextDiff;
IsTextDiff = true;
IsNoChange = false;
}
else
{
Content = new Models.NoOrEOLChange();
IsTextDiff = false;
IsNoChange = true;
}
Content = rs;
IsTextDiff = latest.TextDiff != null;
IsLoading = false;
});
});
@ -157,10 +160,14 @@ namespace SourceGit.ViewModels
await Task.Run(() => Commands.MergeTool.OpenForDiff(_repo, exec, args, _option));
}
private static readonly HashSet<string> IMG_EXTS = new HashSet<string>()
{
".ico", ".bmp", ".jpg", ".png", ".jpeg"
};
private readonly string _repo = string.Empty;
private readonly Models.DiffOption _option = null;
private bool _isLoading = true;
private bool _isNoChange = false;
private bool _isTextDiff = false;
private object _content = null;
private Vector _syncScrollOffset = Vector.Zero;

30
src/SourceGit/Views/DiffView.axaml
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@ -109,6 +109,36 @@
</StackPanel>
</DataTemplate>
<!-- Image Diff -->
<DataTemplate DataType="m:ImageDiff">
<Grid Margin="8,8,8,8" RowDefinitions="*,Auto" HorizontalAlignment="Center">
<Border Grid.Row="0" BorderThickness="1" BorderBrush="{DynamicResource Brush.Border1}">
<v:ImageDiffView Alpha="{Binding #ImageDiffSlider.Value}"
OldImage="{Binding Old}"
NewImage="{Binding New}"/>
</Border>
<Slider Grid.Row="1"
x:Name="ImageDiffSlider"
Minimum="0" Maximum="1"
VerticalAlignment="Top"
TickPlacement="BottomRight"
TickFrequency="0.1"
Margin="0,8,0,0"
Foreground="{DynamicResource Brush.Border1}"
Value="0.5">
<Slider.Resources>
<Thickness x:Key="SliderTopHeaderMargin">0,0,0,4</Thickness>
<GridLength x:Key="SliderPreContentMargin">0</GridLength>
<GridLength x:Key="SliderPostContentMargin">0</GridLength>
<CornerRadius x:Key="SliderThumbCornerRadius">8</CornerRadius>
<x:Double x:Key="SliderHorizontalThumbWidth">16</x:Double>
<x:Double x:Key="SliderHorizontalThumbHeight">16</x:Double>
</Slider.Resources>
</Slider>
</Grid>
</DataTemplate>
<!-- Text Diff -->
<DataTemplate DataType="m:TextDiff">
<v:TextDiffView TextDiff="{Binding}" UseSideBySideDiff="{Binding Source={x:Static vm:Preference.Instance}, Path=UseSideBySideDiff, Mode=OneWay}"/>

104
src/SourceGit/Views/DiffView.axaml.cs
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@ -1,7 +1,111 @@
using System;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Media;
using Avalonia.Media.Imaging;
namespace SourceGit.Views
{
public class ImageDiffView : Control
{
public static readonly StyledProperty<double> AlphaProperty =
AvaloniaProperty.Register<ImageDiffView, double>(nameof(Alpha), 0.5);
public double Alpha
{
get => GetValue(AlphaProperty);
set => SetValue(AlphaProperty, value);
}
public static readonly StyledProperty<Bitmap> OldImageProperty =
AvaloniaProperty.Register<ImageDiffView, Bitmap>(nameof(OldImage), null);
public Bitmap OldImage
{
get => GetValue(OldImageProperty);
set => SetValue(OldImageProperty, value);
}
public static readonly StyledProperty<Bitmap> NewImageProperty =
AvaloniaProperty.Register<ImageDiffView, Bitmap>(nameof(NewImage), null);
public Bitmap NewImage
{
get => GetValue(NewImageProperty);
set => SetValue(NewImageProperty, value);
}
static ImageDiffView()
{
AffectsMeasure<ImageDiffView>(OldImageProperty, NewImageProperty);
AffectsRender<ImageDiffView>(AlphaProperty);
}
public override void Render(DrawingContext context)
{
var alpha = Alpha;
var x = Bounds.Width * Alpha;
var left = OldImage;
if (left != null && alpha > 0)
{
var src = new Rect(0, 0, left.Size.Width * Alpha, left.Size.Height);
var dst = new Rect(0, 0, x, Bounds.Height);
context.DrawImage(left, src, dst);
}
var right = NewImage;
if (right != null)
{
var src = new Rect(right.Size.Width * Alpha, 0, right.Size.Width - right.Size.Width * Alpha, right.Size.Height);
var dst = new Rect(x, 0, Bounds.Width - x, Bounds.Height);
context.DrawImage(right, src, dst);
}
context.DrawLine(new Pen(Brushes.DarkGreen, 2), new Point(x, 0), new Point(x, Bounds.Height));
}
protected override Size MeasureOverride(Size availableSize)
{
var left = OldImage;
var right = NewImage;
if (left != null)
{
return GetDesiredSize(left.Size, availableSize);
}
else if (right != null)
{
return GetDesiredSize(right.Size, availableSize);
}
else
{
return availableSize;
}
}
private Size GetDesiredSize(Size img, Size available)
{
if (img.Width <= available.Width)
{
if (img.Height <= available.Height)
{
return img;
}
else
{
return new Size(available.Height * img.Width / img.Height, available.Height);
}
}
else
{
var s = Math.Max(img.Width / available.Width, img.Height / available.Height);
return new Size(img.Width / s, img.Height / s);
}
}
}
public partial class DiffView : UserControl
{
public DiffView()

1
src/SourceGit/Views/NameHighlightedTextBlock.cs
View file

@ -9,7 +9,6 @@ namespace SourceGit.Views
{
public class NameHighlightedTextBlock : Control
{
public static readonly StyledProperty<string> TextProperty =
AvaloniaProperty.Register<NameHighlightedTextBlock, string>(nameof(Text));

4
src/SourceGit/Views/RevisionFiles.axaml
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@ -91,6 +91,10 @@
<v:RevisionTextFileView FontFamily="{Binding Source={x:Static vm:Preference.Instance}, Path=MonospaceFont}" Background="{DynamicResource Brush.Contents}"/>
</DataTemplate>
<DataTemplate DataType="m:RevisionImageFile">
<Image Source="{Binding Image}" Margin="8"/>
</DataTemplate>
<DataTemplate DataType="m:RevisionLFSObject">
<StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
<TextBlock Text="{DynamicResource Text.CommitDetail.Files.LFS}" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center" Foreground="{DynamicResource Brush.FG2}"/>