fix:issue #332
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@@ -50,6 +50,54 @@ namespace Ink_Canvas.Windows
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// 监听卸载事件,清理资源
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Unloaded += TimerControl_Unloaded;
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// 监听加载事件,调整DPI相关的尺寸
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Loaded += TimerControl_Loaded;
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}
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private void TimerControl_Loaded(object sender, RoutedEventArgs e)
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{
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// 根据DPI缩放因子调整Viewbox的最大尺寸,确保在高DPI屏幕上不会过大
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try
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{
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var source = System.Windows.PresentationSource.FromVisual(this);
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if (source != null)
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{
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var dpiScaleX = source.CompositionTarget.TransformToDevice.M11;
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var dpiScaleY = source.CompositionTarget.TransformToDevice.M22;
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// 如果DPI缩放因子大于1.25,则适当缩小最大尺寸
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// 这样可以确保在高DPI屏幕上,计时器窗口的物理像素大小不会过大
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if (dpiScaleX > 1.25 || dpiScaleY > 1.25)
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{
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// 使用较小的缩放因子来限制最大尺寸
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double scaleFactor = Math.Min(dpiScaleX, dpiScaleY);
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if (MainViewController != null)
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{
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// 计算目标物理像素大小(约1350x750物理像素)
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// 然后转换为逻辑像素
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double targetPhysicalWidth = 1350;
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double targetPhysicalHeight = 750;
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// 转换为逻辑像素
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double maxWidth = targetPhysicalWidth / scaleFactor;
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double maxHeight = targetPhysicalHeight / scaleFactor;
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// 确保不会小于原始尺寸的70%
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maxWidth = Math.Max(maxWidth, 900 * 0.7);
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maxHeight = Math.Max(maxHeight, 500 * 0.7);
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MainViewController.MaxWidth = maxWidth;
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MainViewController.MaxHeight = maxHeight;
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}
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}
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}
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}
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catch (Exception ex)
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{
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LogHelper.WriteLogToFile($"调整计时器窗口DPI尺寸失败: {ex.Message}", LogHelper.LogType.Error);
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}
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}
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private void TimerControl_Unloaded(object sender, RoutedEventArgs e)
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