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Merged
Functionhx merged 1 commit into from
Oct 4, 2026
Merged

Fix Windows window sizing at high display scaling #17

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129 changes: 65 additions & 64 deletions platforms/windows/WriteBench/Services/OCR.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,69 +5,70 @@
using System.Windows.Media.Imaging;
using Microsoft.Win32;
using Tesseract;
namespace WriteBench;

public sealed partial class MainWindow
{
async Task ImportImages(bool answer)
{
if (grading)
return;
var dialog = new OpenFileDialog { Title = answer ? "导入手写稿" : "导入题目", Filter = "图片|*.png;*.jpg;*.jpeg;*.bmp;*.tif;*.tiff", Multiselect = true };
if (dialog.ShowDialog(this) != true)
return;
if (dialog.FileNames.Length > 12)
{
Message("每次最多导入 12 页。");
return;
}
try
{
foreach (var p in dialog.FileNames)
if (new FileInfo(p).Length > 25_000_000)
throw new Exception("每张图片不得超过 25 MB");
var recognized = await Task.Run(() => { using var engine = new TesseractEngine(Path.Combine(AppContext.BaseDirectory, "tessdata"), "eng+chi_sim", EngineMode.Default); return dialog.FileNames.Select(path => { using var image = Pix.LoadFromFile(path); using var page = engine.Process(image); return page.GetText(); }).ToArray(); });
ConfirmOCR(dialog.FileNames, recognized, answer);
}
catch (Exception e) { Message("本机图片识别未完成。请检查图像清晰度与 OCR 运行库。\n" + e.Message); }
}
void ConfirmOCR(string[] files, string[] texts, bool answer)
{
var window = new Window { Owner = this, Title = "校对识别结果", Width = 1050, Height = 760, WindowStartupLocation = WindowStartupLocation.CenterOwner };
var root = new DockPanel { Margin = new Thickness(24) };
var footer = new StackPanel { Orientation = System.Windows.Controls.Orientation.Horizontal, Margin = new Thickness(0, 20, 0, 0) };
var checkedAll = new CheckBox { Content = "我已对照原图核对所有页面", VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 0, 20, 0) };
footer.Children.Add(checkedAll);
var confirm = Button(answer ? "确认并评卷" : "确认填入题目", () => { if (answer) { essay = string.Join("\n\n", texts); inputMode = "handwritten"; } else question = string.Join("\n\n", texts); SaveDraft(); window.Close(); Render(); if (answer) _ = Submit(); }, true);
confirm.IsEnabled = false;
checkedAll.Checked += (_, _) => confirm.IsEnabled = true;
checkedAll.Unchecked += (_, _) => confirm.IsEnabled = false;
footer.Children.Add(confirm);
DockPanel.SetDock(footer, Dock.Bottom);
root.Children.Add(footer);
var tabs = new TabControl();
for (int i = 0; i < files.Length; i++)
{
int index = i;
var grid = new Grid();
grid.ColumnDefinitions.Add(new());
grid.ColumnDefinitions.Add(new());
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.UriSource = new Uri(files[i]);
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.EndInit();
var image = new Image { Source = bitmap, Stretch = Stretch.Uniform, Margin = new Thickness(12) };
grid.Children.Add(new ScrollViewer { Content = image });
var editor = Input(texts[i]);
editor.AcceptsReturn = true;
editor.TextChanged += (_, _) => texts[index] = editor.Text;
Grid.SetColumn(editor, 1);
grid.Children.Add(editor);
tabs.Items.Add(new TabItem { Header = $"第 {i + 1} 页", Content = grid });
}
root.Children.Add(tabs);
window.Content = root;
window.ShowDialog();
namespace WriteBench;

public sealed partial class MainWindow
{
async Task ImportImages(bool answer)
{
if (grading)
return;
var dialog = new OpenFileDialog { Title = answer ? "导入手写稿" : "导入题目", Filter = "图片|*.png;*.jpg;*.jpeg;*.bmp;*.tif;*.tiff", Multiselect = true };
if (dialog.ShowDialog(this) != true)
return;
if (dialog.FileNames.Length > 12)
{
Message("每次最多导入 12 页。");
return;
}
try
{
foreach (var p in dialog.FileNames)
if (new FileInfo(p).Length > 25_000_000)
throw new Exception("每张图片不得超过 25 MB");
var recognized = await Task.Run(() => { using var engine = new TesseractEngine(Path.Combine(AppContext.BaseDirectory, "tessdata"), "eng+chi_sim", EngineMode.Default); return dialog.FileNames.Select(path => { using var image = Pix.LoadFromFile(path); using var page = engine.Process(image); return page.GetText(); }).ToArray(); });
ConfirmOCR(dialog.FileNames, recognized, answer);
}
catch (Exception e) { Message("本机图片识别未完成。请检查图像清晰度与 OCR 运行库。\n" + e.Message); }
}
void ConfirmOCR(string[] files, string[] texts, bool answer)
{
var workArea = SystemParameters.WorkArea;
var window = new Window { Owner = this, Title = "校对识别结果", Width = Math.Min(1050, Math.Max(1, workArea.Width - 16)), Height = Math.Min(760, Math.Max(1, workArea.Height - 16)), WindowStartupLocation = WindowStartupLocation.CenterOwner };
var root = new DockPanel { Margin = new Thickness(24) };
var footer = new StackPanel { Orientation = System.Windows.Controls.Orientation.Horizontal, Margin = new Thickness(0, 20, 0, 0) };
var checkedAll = new CheckBox { Content = "我已对照原图核对所有页面", VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 0, 20, 0) };
footer.Children.Add(checkedAll);
var confirm = Button(answer ? "确认并评卷" : "确认填入题目", () => { if (answer) { essay = string.Join("\n\n", texts); inputMode = "handwritten"; } else question = string.Join("\n\n", texts); SaveDraft(); window.Close(); Render(); if (answer) _ = Submit(); }, true);
confirm.IsEnabled = false;
checkedAll.Checked += (_, _) => confirm.IsEnabled = true;
checkedAll.Unchecked += (_, _) => confirm.IsEnabled = false;
footer.Children.Add(confirm);
DockPanel.SetDock(footer, Dock.Bottom);
root.Children.Add(footer);
var tabs = new TabControl();
for (int i = 0; i < files.Length; i++)
{
int index = i;
var grid = new Grid();
grid.ColumnDefinitions.Add(new());
grid.ColumnDefinitions.Add(new());
var bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.UriSource = new Uri(files[i]);
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.EndInit();
var image = new Image { Source = bitmap, Stretch = Stretch.Uniform, Margin = new Thickness(12) };
grid.Children.Add(new ScrollViewer { Content = image });
var editor = Input(texts[i]);
editor.AcceptsReturn = true;
editor.TextChanged += (_, _) => texts[index] = editor.Text;
Grid.SetColumn(editor, 1);
grid.Children.Add(editor);
tabs.Items.Add(new TabItem { Header = $"第 {i + 1} 页", Content = grid });
}
root.Children.Add(tabs);
window.Content = root;
window.ShowDialog();
}
}
12 changes: 8 additions & 4 deletions platforms/windows/WriteBench/Views/MainWindow.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,10 +18,13 @@ public MainWindow(bool preview = false)
store = new LocalStore(preview ? Path.Combine(Path.GetTempPath(), "WriteBench-preview-" + Guid.NewGuid()) : null);
credentials = new Credentials(preview ? Path.Combine(Path.GetTempPath(), "WriteBench-preview-credentials-" + Guid.NewGuid()) : null);
Title = "WriteBench";
Width = 1320;
Height = 870;
MinWidth = 960;
MinHeight = 650;
var workArea = SystemParameters.WorkArea;
double availableWidth = Math.Max(1, workArea.Width - 16);
double availableHeight = Math.Max(1, workArea.Height - 16);
Width = Math.Min(1320, availableWidth);
Height = Math.Min(870, availableHeight);
MinWidth = Math.Min(960, availableWidth);
MinHeight = Math.Min(650, availableHeight);
WindowStartupLocation = WindowStartupLocation.CenterScreen;
Icon = new BitmapImage(new Uri("pack://application:,,,/Assets/Icon.png"));
settings = store.Read<Settings>("settings.json") ?? new();
Expand Down Expand Up @@ -120,6 +123,7 @@ void Render()
{
var b = Button(exam, () => SelectTask(ExamTask.All.First(t => t.Exam == exam)), task.Exam == exam);
b.Content = ExamLabel(exam, task.Exam == exam);
System.Windows.Automation.AutomationProperties.SetName(b, exam);
tabs.Children.Add(b);
}
DockPanel.SetDock(tabs, Dock.Top);
Expand Down
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