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improve:手掌擦

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CJKmkp
2025-07-21 18:37:25 +08:00
parent fefb9b490e
commit f517a63cda
1 changed files with 6 additions and 2 deletions
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Ink Canvas/MainWindow_cs/MW_TouchEvents.cs
+6 -2
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@@ -9,6 +9,7 @@ using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using Point = System.Windows.Point;
using System.Diagnostics;
namespace Ink_Canvas {
public partial class MainWindow : Window {
@@ -72,7 +73,8 @@ namespace Ink_Canvas {
if (!Settings.Advanced.EraserBindTouchMultiplier && Settings.Advanced.IsSpecialScreen)
eraserMultiplier = 1 / Settings.Advanced.TouchMultiplier;
if ((Settings.Advanced.TouchMultiplier != 0 || !Settings.Advanced.IsSpecialScreen) //启用特殊屏幕且触摸倍数为 0 时禁用橡皮
// 修复：只有多指且面积大时才允许手掌擦，单指始终为批注
if (dec != null && dec.Count >= 2 && (Settings.Advanced.TouchMultiplier != 0 || !Settings.Advanced.IsSpecialScreen)
&& boundWidth > BoundsWidth * 2.5) {
if (drawingShapeMode == 0 && forceEraser) return;
currentPalmEraserShape = GetPalmRectangleEraserShape(eraserMultiplier);
@@ -82,14 +84,16 @@ namespace Ink_Canvas {
if (inkCanvas.EditingMode != InkCanvasEditingMode.EraseByPoint) {
inkCanvas.EditingMode = InkCanvasEditingMode.EraseByPoint;
}
Trace.WriteLine($"[PalmEraser] 触发手掌擦: TouchId={e.TouchDevice.Id}, boundWidth={boundWidth:F2}, eraserMultiplier={eraserMultiplier:F2}, EraserShape={currentPalmEraserShape?.GetType().Name}, TouchCount={dec.Count}");
}
else {
TouchDownPointsList[e.TouchDevice.Id] = InkCanvasEditingMode.None;
// 修复面积擦时不显示橡皮形状：无论 forcePointEraser 状态，均显示 50x50 橡皮
inkCanvas.EraserShape = new EllipseStylusShape(50, 50);
if (inkCanvas.EditingMode != InkCanvasEditingMode.EraseByPoint) {
inkCanvas.EditingMode = InkCanvasEditingMode.None;
inkCanvas.EditingMode = InkCanvasEditingMode.Ink;
}
Trace.WriteLine($"[PalmEraser] 非手掌擦: TouchId={e.TouchDevice.Id}, boundWidth={boundWidth:F2}, eraserMultiplier={eraserMultiplier:F2}, TouchCount={(dec != null ? dec.Count : 0)}");
}
}