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Resizing and file conversion updates
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| using Avalonia.Input; | ||
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| namespace PicView.Avalonia.Input; | ||
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| public static class InputHelper | ||
| { | ||
| public static async Task OnKeyDownVerifyInput(KeyEventArgs e, Func<bool> focus, Task saveImage) | ||
| { | ||
| switch (e.Key) | ||
| { | ||
| case Key.D0: | ||
| case Key.D1: | ||
| case Key.D2: | ||
| case Key.D3: | ||
| case Key.D4: | ||
| case Key.D5: | ||
| case Key.D6: | ||
| case Key.D7: | ||
| case Key.D8: | ||
| case Key.D9: | ||
| case Key.NumPad0: | ||
| case Key.NumPad1: | ||
| case Key.NumPad2: | ||
| case Key.NumPad3: | ||
| case Key.NumPad4: | ||
| case Key.NumPad5: | ||
| case Key.NumPad6: | ||
| case Key.NumPad7: | ||
| case Key.NumPad8: | ||
| case Key.NumPad9: | ||
| case Key.Back: | ||
| case Key.Delete: | ||
| break; // Allow numbers and basic operations | ||
|
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||
| case Key.Left: | ||
| case Key.Right: | ||
| case Key.Tab: | ||
| case Key.OemBackTab: | ||
| break; // Allow navigation keys | ||
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| case Key.A: | ||
| case Key.C: | ||
| case Key.X: | ||
| case Key.V: | ||
| if (e.KeyModifiers == KeyModifiers.Control) | ||
| { | ||
| // Allow Ctrl + A, Ctrl + C, Ctrl + X, and Ctrl + V (paste) | ||
| break; | ||
| } | ||
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| e.Handled = true; // Only allow with Ctrl | ||
| return; | ||
|
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| case Key.Oem5: // Key for `%` symbol (may vary based on layout) | ||
| break; // Allow the percentage symbol (%) | ||
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| case Key.Escape: // Handle Escape key | ||
| focus(); | ||
| e.Handled = true; | ||
| return; | ||
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| case Key.Enter: // Handle Enter key for function | ||
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| await saveImage.ConfigureAwait(false); | ||
| return; | ||
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| default: | ||
| e.Handled = true; // Block all other inputs | ||
| return; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
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@@ -149,7 +149,6 @@ | |
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| <ItemGroup> | ||
| <Folder Include="Assets\" /> | ||
| <Folder Include="Resizing\" /> | ||
| </ItemGroup> | ||
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| <ItemGroup> | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| using System.Globalization; | ||
| using Avalonia.Controls; | ||
| using PicView.Avalonia.ViewModels; | ||
| using PicView.Core.Extensions; | ||
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| namespace PicView.Avalonia.Resizing; | ||
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| public static class AspectRatioHelper | ||
| { | ||
| public static void SetAspectRatioForTextBox(TextBox widthTextBox, TextBox heightTextBox, bool isWidth, double aspectRatio, MainViewModel vm) | ||
| { | ||
| var percentage = isWidth ? widthTextBox.Text.GetPercentage() : heightTextBox.Text.GetPercentage(); | ||
| if (percentage > 0) | ||
| { | ||
| var newWidth = vm.PixelWidth * (percentage / 100); | ||
| var newHeight = vm.PixelHeight * (percentage / 100); | ||
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| widthTextBox.Text = newWidth.ToString("# ", CultureInfo.CurrentCulture); | ||
| heightTextBox.Text = newHeight.ToString("# ", CultureInfo.CurrentCulture); | ||
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| if (isWidth) | ||
| { | ||
| heightTextBox.Text = newHeight.ToString(CultureInfo.CurrentCulture); | ||
| } | ||
| else | ||
| { | ||
| widthTextBox.Text = newWidth.ToString(CultureInfo.CurrentCulture); | ||
| } | ||
| } | ||
| else | ||
| { | ||
| if (!uint.TryParse(widthTextBox.Text, out var width) || !uint.TryParse(heightTextBox.Text, out var height)) | ||
| { | ||
| // Invalid input, delete last character | ||
| try | ||
| { | ||
| if (isWidth && widthTextBox.Text.Length > 1) | ||
| { | ||
| widthTextBox.Text = widthTextBox.Text[..^1]; | ||
| } | ||
| else if (heightTextBox.Text.Length > 1) | ||
| { | ||
| heightTextBox.Text = heightTextBox.Text[..^1]; | ||
| } | ||
|
|
||
| } | ||
| catch (Exception e) | ||
| { | ||
| #if DEBUG | ||
| Console.WriteLine(e); | ||
| #endif | ||
| } | ||
| return; | ||
| } | ||
| if (isWidth) | ||
| { | ||
| var newHeight = Math.Round(width / aspectRatio); | ||
| heightTextBox.Text = newHeight.ToString(CultureInfo.CurrentCulture); | ||
| } | ||
| else | ||
| { | ||
| var newWidth = Math.Round(height * aspectRatio); | ||
| widthTextBox.Text = newWidth.ToString(CultureInfo.CurrentCulture); | ||
| } | ||
| } | ||
| } | ||
| } |
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