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Implemented gif exportation and added some style (again)

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This commit is contained in:
Laurent
2026-02-17 18:20:53 +01:00
parent b81d912cf4
commit 4a5bf8dfff
10 changed files with 268 additions and 101 deletions
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21
GifResizer/Views/Converter/VisibleWhenNullConverter.cs Normal file
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@@ -0,0 +1,21 @@
using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace GifResizer.Views.Converter;
public class VisibleWhenNullConverter : IValueConverter
{
public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
{
bool invert = parameter?.ToString() == "invert";
bool isVisible = invert ? value != null : value == null;
return isVisible ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}

164
GifResizer/Views/MainWindow.xaml
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@@ -4,70 +4,124 @@
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:gif="http://wpfanimatedgif.codeplex.com"
xmlns:converter="clr-namespace:GifResizer.Views.Converter"
mc:Ignorable="d"
Title="Gif resizer" Height="480" Width="640"
ResizeMode="NoResize">
<Grid>
<Window.Resources>
<converter:VisibleWhenNullConverter x:Key="VisibleWhenNullConverter"/>
</Window.Resources>
<Grid x:Name="MainContainer">
<Grid.RowDefinitions>
<RowDefinition Height="3*"/>
<RowDefinition Height="1*"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Border Grid.Row="0" BorderBrush="Gray"
BorderThickness="1"
CornerRadius="5"
Margin="10 10 10 5">
<Grid Style="{StaticResource DarkGrid}">
<Grid.RowDefinitions>
<RowDefinition Height="3*"/>
<RowDefinition Height="1*"/>
</Grid.RowDefinitions>
<Image gif:ImageBehavior.AnimatedSource="{Binding FilePath}"
Stretch="Uniform"
Visibility="{Binding FilePath}"/>
<Button Grid.Row="0"
Style="{StaticResource LinkButtonStyle}"
Click="BrowseButton_Click"
HorizontalAlignment="Center"
VerticalAlignment="Center">
<TextBlock Text="Browse files"
Width="Auto"
Height="Auto"
TextDecorations="Underline"/>
</Button>
<TextBlock Grid.Row="1"
Margin="0,0,0,5"
Text="{Binding FilePath,
TargetNullValue=No file selected,
FallbackValue=Gif filepath...}"
Width="Auto"
Height="Auto"
HorizontalAlignment="Left"
VerticalAlignment="Center"/>
</Grid>
</Border>
<Border Grid.Row="1" BorderBrush="Gray"
<Border Grid.Row="0"
BorderBrush="Gray"
BorderThickness="1"
CornerRadius="5"
Padding="5"
Margin="10 5 10 10">
<StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
<StackPanel Orientation="Horizontal">
<CheckBox Content="112x112" IsChecked="True" Margin="10"/>
<CheckBox Content="500x500" IsChecked="True" Margin="10"/>
<CheckBox Content="1000x1000" IsChecked="True" Margin="10"/>
</StackPanel>
<Button
Style="{StaticResource ButtonStyle}"
Content="Resize"
Click="ResizeButton_Click"
HorizontalAlignment="Center"
VerticalAlignment="Center"/>
</StackPanel>
Margin="10 10 10 5">
<!-- GIF -->
<Grid x:Name="GifPreview"
Style="{StaticResource DarkGrid}">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="4*"/>
<ColumnDefinition Width="2*"/>
</Grid.ColumnDefinitions>
<Image Grid.Column="0" gif:ImageBehavior.AnimatedSource="{Binding FilePath}"
Stretch="UniformToFill"
Visibility="{
Binding FilePath,
Converter={StaticResource VisibleWhenNullConverter},
ConverterParameter=invert
}"
HorizontalAlignment="Left"
VerticalAlignment="Center"/>
<Button Grid.Column="0"
Style="{StaticResource LinkButtonStyle}"
Click="BrowseButton_Click"
Visibility="{
Binding FilePath,
Converter={StaticResource VisibleWhenNullConverter}
}"
HorizontalAlignment="Center"
VerticalAlignment="Center">
<TextBlock
Text="Browse files..."
Width="Auto"
Height="Auto"
TextDecorations="Underline"/>
</Button>
<GridSplitter Grid.Column="1" HorizontalAlignment="Stretch"/>
<Grid Grid.Column="1" Margin="10">
<Grid.RowDefinitions>
<RowDefinition Height="75*"/>
<RowDefinition Height="25*"/>
</Grid.RowDefinitions>
<StackPanel x:Name="GifInfo" Grid.Row="0">
<StackPanel Margin="0 0 0 15">
<TextBlock Grid.Row="0" Grid.Column="0">Location</TextBlock>
<TextBlock Text="{Binding FilePath}"/>
</StackPanel>
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="2*"/>
<ColumnDefinition Width="1*"/>
<ColumnDefinition Width="2*"/>
</Grid.ColumnDefinitions>
<TextBlock Grid.Row="0" Grid.Column="0">Width</TextBlock>
<TextBlock Grid.Row="0" Grid.Column="2">Height</TextBlock>
<TextBox Grid.Row="1" Grid.Column="0" Text="{Binding GifWidth}"></TextBox>
<TextBox Grid.Row="1" Grid.Column="2" Text="{Binding GifHeight}"></TextBox>
</Grid>
</StackPanel>
<Rectangle Grid.Row="1"
Height="1"
Fill="Gray"
VerticalAlignment="Top"/>
<StackPanel x:Name="Actions" Grid.Row="1" Orientation="Vertical"
HorizontalAlignment="Stretch" VerticalAlignment="Center">
<TextBlock VerticalAlignment="Top" Margin="0 0 0 5">Common formats</TextBlock>
<ItemsControl ItemsSource="{Binding CommonFormats}" Margin="0 0 0 5">
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<WrapPanel/>
</ItemsPanelTemplate>
</ItemsControl.ItemsPanel>
<ItemsControl.ItemTemplate>
<DataTemplate>
<CheckBox Content="{Binding}"
IsChecked="{Binding Checked}"
Margin="0 0 10 5"/>
</DataTemplate>
</ItemsControl.ItemTemplate>
</ItemsControl>
<Button
Style="{StaticResource ButtonStyle}"
Content="Resize"
Click="ResizeButton_Click"
VerticalAlignment="Bottom"/>
</StackPanel>
</Grid>
</Grid>
</Border>
</Grid>
</Window>

19
GifResizer/Views/MainWindow.xaml.cs
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@@ -1,4 +1,5 @@
using System.Windows;
using System.Windows.Input;
using GifResizer.ViewModels;
using Microsoft.Win32;
@@ -31,21 +32,21 @@ public partial class MainWindow : Window
if (fileDialog.ShowDialog() == true)
{
_mainViewModel.FilePath = fileDialog.FileName;
_mainViewModel.LoadGifData(fileDialog.FileName);
}
}
}
catch (Exception ex)
{
DisplayErrorMessage("An error occured while selecting the GIF file: " + ex.Message);
}
}
private void ResizeButton_Click(object sender, RoutedEventArgs e)
{
try
{
_mainViewModel.ResizeGif(128,128);
_mainViewModel.ResizeGif();
DisplaySuccessMessage("Resize successful!");
}
catch (Exception ex)
{
@@ -53,8 +54,18 @@ public partial class MainWindow : Window
}
}
private void IntegerOnly(object sender, TextCompositionEventArgs e)
{
e.Handled = !int.TryParse(e.Text, out _);
}
private void DisplayErrorMessage(string message)
{
MessageBox.Show(message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
private void DisplaySuccessMessage(string message)
{
MessageBox.Show(message, "Success", MessageBoxButton.OK, MessageBoxImage.Information);
}
}