2024-05-01 18:23:32 +08:00
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using Ink_Canvas.Helpers;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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2024-05-11 01:35:32 +08:00
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using System.Threading.Tasks;
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2024-05-01 18:23:32 +08:00
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Ink;
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using System.Windows.Input;
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using System.Windows.Media;
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using Point = System.Windows.Point;
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2024-05-11 18:43:35 +08:00
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namespace Ink_Canvas
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{
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public partial class MainWindow : Window
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{
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#region Multi-Touch
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bool isInMultiTouchMode = false;
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private void BorderMultiTouchMode_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (isInMultiTouchMode)
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{
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inkCanvas.StylusDown -= MainWindow_StylusDown;
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inkCanvas.StylusMove -= MainWindow_StylusMove;
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inkCanvas.StylusUp -= MainWindow_StylusUp;
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inkCanvas.TouchDown -= MainWindow_TouchDown;
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inkCanvas.TouchDown += Main_Grid_TouchDown;
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inkCanvas.EditingMode = InkCanvasEditingMode.Ink;
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inkCanvas.Children.Clear();
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isInMultiTouchMode = false;
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}
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else
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{
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inkCanvas.StylusDown += MainWindow_StylusDown;
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inkCanvas.StylusMove += MainWindow_StylusMove;
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inkCanvas.StylusUp += MainWindow_StylusUp;
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inkCanvas.TouchDown += MainWindow_TouchDown;
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2024-05-02 01:41:08 +08:00
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inkCanvas.TouchDown -= Main_Grid_TouchDown;
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inkCanvas.EditingMode = InkCanvasEditingMode.None;
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inkCanvas.Children.Clear();
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isInMultiTouchMode = true;
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}
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}
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private void MainWindow_TouchDown(object sender, TouchEventArgs e)
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{
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2024-05-02 02:05:33 +08:00
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if (inkCanvas.EditingMode == InkCanvasEditingMode.EraseByPoint
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|| inkCanvas.EditingMode == InkCanvasEditingMode.EraseByStroke
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|| inkCanvas.EditingMode == InkCanvasEditingMode.Select) return;
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if (!isHidingSubPanelsWhenInking)
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{
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isHidingSubPanelsWhenInking = true;
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HideSubPanels(); // 书写时自动隐藏二级菜单
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}
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double boundWidth = e.GetTouchPoint(null).Bounds.Width, eraserMultiplier = 1.0;
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if (!Settings.Advanced.EraserBindTouchMultiplier && Settings.Advanced.IsSpecialScreen)
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{
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eraserMultiplier = 1 / Settings.Advanced.TouchMultiplier;
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}
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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
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&& (boundWidth > BoundsWidth * 2.5))
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{
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if (drawingShapeMode == 0 && forceEraser) return;
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double k = 1;
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switch (Settings.Canvas.EraserSize)
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{
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case 0:
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k = 0.5;
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break;
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case 1:
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k = 0.8;
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break;
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case 3:
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k = 1.25;
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break;
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case 4:
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k = 1.8;
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break;
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}
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inkCanvas.EraserShape = new EllipseStylusShape(boundWidth * k * eraserMultiplier * 0.25, boundWidth * k * eraserMultiplier * 0.25);
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TouchDownPointsList[e.TouchDevice.Id] = InkCanvasEditingMode.EraseByPoint;
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inkCanvas.EditingMode = InkCanvasEditingMode.EraseByPoint;
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2024-05-11 18:43:35 +08:00
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}
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else
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{
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TouchDownPointsList[e.TouchDevice.Id] = InkCanvasEditingMode.None;
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inkCanvas.EditingMode = InkCanvasEditingMode.None;
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}
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}
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private void MainWindow_StylusDown(object sender, StylusDownEventArgs e)
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{
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if (inkCanvas.EditingMode == InkCanvasEditingMode.EraseByPoint
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|| inkCanvas.EditingMode == InkCanvasEditingMode.EraseByStroke
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|| inkCanvas.EditingMode == InkCanvasEditingMode.Select) return;
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TouchDownPointsList[e.StylusDevice.Id] = InkCanvasEditingMode.None;
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}
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private async void MainWindow_StylusUp(object sender, StylusEventArgs e)
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{
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try
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{
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inkCanvas.Strokes.Add(GetStrokeVisual(e.StylusDevice.Id).Stroke);
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await Task.Delay(5); // 避免渲染墨迹完成前预览墨迹被删除导致墨迹闪烁
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inkCanvas.Children.Remove(GetVisualCanvas(e.StylusDevice.Id));
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inkCanvas_StrokeCollected(inkCanvas, new InkCanvasStrokeCollectedEventArgs(GetStrokeVisual(e.StylusDevice.Id).Stroke));
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}
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catch (Exception ex)
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{
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Label.Content = ex.ToString();
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}
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try
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{
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StrokeVisualList.Remove(e.StylusDevice.Id);
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VisualCanvasList.Remove(e.StylusDevice.Id);
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TouchDownPointsList.Remove(e.StylusDevice.Id);
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if (StrokeVisualList.Count == 0 || VisualCanvasList.Count == 0 || TouchDownPointsList.Count == 0)
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{
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inkCanvas.Children.Clear();
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StrokeVisualList.Clear();
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VisualCanvasList.Clear();
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TouchDownPointsList.Clear();
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}
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}
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catch { }
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}
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private void MainWindow_StylusMove(object sender, StylusEventArgs e)
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{
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try
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{
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if (GetTouchDownPointsList(e.StylusDevice.Id) != InkCanvasEditingMode.None) return;
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try
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{
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if (e.StylusDevice.StylusButtons[1].StylusButtonState == StylusButtonState.Down) return;
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}
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catch { }
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var strokeVisual = GetStrokeVisual(e.StylusDevice.Id);
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var stylusPointCollection = e.GetStylusPoints(this);
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foreach (var stylusPoint in stylusPointCollection)
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{
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strokeVisual.Add(new StylusPoint(stylusPoint.X, stylusPoint.Y, stylusPoint.PressureFactor));
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}
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strokeVisual.Redraw();
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}
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catch { }
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}
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private StrokeVisual GetStrokeVisual(int id)
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{
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if (StrokeVisualList.TryGetValue(id, out var visual))
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{
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return visual;
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}
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var strokeVisual = new StrokeVisual(inkCanvas.DefaultDrawingAttributes.Clone());
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StrokeVisualList[id] = strokeVisual;
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StrokeVisualList[id] = strokeVisual;
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var visualCanvas = new VisualCanvas(strokeVisual);
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VisualCanvasList[id] = visualCanvas;
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inkCanvas.Children.Add(visualCanvas);
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return strokeVisual;
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}
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private VisualCanvas GetVisualCanvas(int id)
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{
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if (VisualCanvasList.TryGetValue(id, out var visualCanvas))
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{
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return visualCanvas;
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}
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return null;
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}
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private InkCanvasEditingMode GetTouchDownPointsList(int id)
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{
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if (TouchDownPointsList.TryGetValue(id, out var inkCanvasEditingMode))
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{
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return inkCanvasEditingMode;
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}
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return inkCanvas.EditingMode;
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}
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private Dictionary<int, InkCanvasEditingMode> TouchDownPointsList { get; } = new Dictionary<int, InkCanvasEditingMode>();
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private Dictionary<int, StrokeVisual> StrokeVisualList { get; } = new Dictionary<int, StrokeVisual>();
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private Dictionary<int, VisualCanvas> VisualCanvasList { get; } = new Dictionary<int, VisualCanvas>();
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#endregion
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2024-05-02 01:41:08 +08:00
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2024-05-01 18:23:32 +08:00
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int lastTouchDownTime = 0, lastTouchUpTime = 0;
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Point iniP = new Point(0, 0);
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bool isLastTouchEraser = false;
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private bool forcePointEraser = true;
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private void Main_Grid_TouchDown(object sender, TouchEventArgs e)
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{
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if (!isHidingSubPanelsWhenInking)
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{
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isHidingSubPanelsWhenInking = true;
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HideSubPanels(); // 书写时自动隐藏二级菜单
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}
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2024-05-11 18:43:35 +08:00
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if (NeedUpdateIniP())
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{
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iniP = e.GetTouchPoint(inkCanvas).Position;
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}
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if (drawingShapeMode == 9 && isFirstTouchCuboid == false)
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{
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MouseTouchMove(iniP);
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}
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inkCanvas.Opacity = 1;
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double boundsWidth = GetTouchBoundWidth(e), eraserMultiplier = 1.0;
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if (!Settings.Advanced.EraserBindTouchMultiplier && Settings.Advanced.IsSpecialScreen)
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{
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eraserMultiplier = 1 / Settings.Advanced.TouchMultiplier;
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}
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if (boundsWidth > BoundsWidth)
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{
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isLastTouchEraser = true;
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if (drawingShapeMode == 0 && forceEraser) return;
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2024-05-11 18:43:35 +08:00
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if (boundsWidth > BoundsWidth * 2.5)
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{
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double k = 1;
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switch (Settings.Canvas.EraserSize)
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{
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case 0:
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k = 0.5;
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break;
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case 1:
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k = 0.8;
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break;
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case 3:
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k = 1.25;
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break;
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case 4:
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k = 1.8;
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break;
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}
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2024-05-11 18:43:35 +08:00
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inkCanvas.EraserShape = new EllipseStylusShape(boundsWidth * k * eraserMultiplier, boundsWidth * k * eraserMultiplier);
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2024-05-01 18:23:32 +08:00
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inkCanvas.EditingMode = InkCanvasEditingMode.EraseByPoint;
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}
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else
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{
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if (StackPanelPPTControls.Visibility == Visibility.Visible && inkCanvas.Strokes.Count == 0 && Settings.PowerPointSettings.IsEnableFingerGestureSlideShowControl)
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{
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2024-05-01 18:23:32 +08:00
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isLastTouchEraser = false;
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inkCanvas.EditingMode = InkCanvasEditingMode.GestureOnly;
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inkCanvas.Opacity = 0.1;
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2024-05-11 18:43:35 +08:00
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}
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else
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{
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2024-05-01 18:23:32 +08:00
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inkCanvas.EraserShape = new EllipseStylusShape(5, 5);
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inkCanvas.EditingMode = InkCanvasEditingMode.EraseByStroke;
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}
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}
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2024-05-11 18:43:35 +08:00
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}
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else
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{
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2024-05-01 18:23:32 +08:00
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isLastTouchEraser = false;
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inkCanvas.EraserShape = forcePointEraser ? new EllipseStylusShape(50, 50) : new EllipseStylusShape(5, 5);
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if (forceEraser) return;
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inkCanvas.EditingMode = InkCanvasEditingMode.Ink;
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}
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|
|
|
}
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
public double GetTouchBoundWidth(TouchEventArgs e)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
var args = e.GetTouchPoint(null).Bounds;
|
|
|
|
|
double value;
|
|
|
|
|
if (!Settings.Advanced.IsQuadIR) value = args.Width;
|
|
|
|
|
else value = Math.Sqrt(args.Width * args.Height); //四边红外
|
|
|
|
|
if (Settings.Advanced.IsSpecialScreen) value *= Settings.Advanced.TouchMultiplier;
|
|
|
|
|
return value;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//记录触摸设备ID
|
|
|
|
|
private List<int> dec = new List<int>();
|
|
|
|
|
//中心点
|
|
|
|
|
System.Windows.Point centerPoint;
|
|
|
|
|
InkCanvasEditingMode lastInkCanvasEditingMode = InkCanvasEditingMode.Ink;
|
|
|
|
|
bool isSingleFingerDragMode = false;
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
private void inkCanvas_PreviewTouchDown(object sender, TouchEventArgs e)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
dec.Add(e.TouchDevice.Id);
|
|
|
|
|
//设备1个的时候,记录中心点
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (dec.Count == 1)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
TouchPoint touchPoint = e.GetTouchPoint(inkCanvas);
|
|
|
|
|
centerPoint = touchPoint.Position;
|
|
|
|
|
|
|
|
|
|
//记录第一根手指点击时的 StrokeCollection
|
|
|
|
|
lastTouchDownStrokeCollection = inkCanvas.Strokes.Clone();
|
|
|
|
|
}
|
|
|
|
|
//设备两个及两个以上,将画笔功能关闭
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (dec.Count > 1 || isSingleFingerDragMode || !Settings.Gesture.IsEnableTwoFingerGesture)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
if (isInMultiTouchMode || !Settings.Gesture.IsEnableTwoFingerGesture) return;
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (inkCanvas.EditingMode != InkCanvasEditingMode.None && inkCanvas.EditingMode != InkCanvasEditingMode.Select)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
lastInkCanvasEditingMode = inkCanvas.EditingMode;
|
|
|
|
|
inkCanvas.EditingMode = InkCanvasEditingMode.None;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
private void inkCanvas_PreviewTouchUp(object sender, TouchEventArgs e)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
//手势完成后切回之前的状态
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (dec.Count > 1)
|
|
|
|
|
{
|
|
|
|
|
if (inkCanvas.EditingMode == InkCanvasEditingMode.None)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
inkCanvas.EditingMode = lastInkCanvasEditingMode;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
dec.Remove(e.TouchDevice.Id);
|
|
|
|
|
inkCanvas.Opacity = 1;
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (dec.Count == 0)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
if (lastTouchDownStrokeCollection.Count() != inkCanvas.Strokes.Count() &&
|
2024-05-11 18:43:35 +08:00
|
|
|
|
!(drawingShapeMode == 9 && !isFirstTouchCuboid))
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
int whiteboardIndex = CurrentWhiteboardIndex;
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (currentMode == 0)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
whiteboardIndex = 0;
|
|
|
|
|
}
|
|
|
|
|
strokeCollections[whiteboardIndex] = lastTouchDownStrokeCollection;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2024-05-11 18:43:35 +08:00
|
|
|
|
private void inkCanvas_ManipulationStarting(object sender, ManipulationStartingEventArgs e)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
e.Mode = ManipulationModes.All;
|
|
|
|
|
}
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
private void inkCanvas_ManipulationInertiaStarting(object sender, ManipulationInertiaStartingEventArgs e)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
private void Main_Grid_ManipulationCompleted(object sender, ManipulationCompletedEventArgs e)
|
|
|
|
|
{
|
|
|
|
|
if (e.Manipulators.Count() == 0)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
if (forceEraser) return;
|
|
|
|
|
inkCanvas.EditingMode = InkCanvasEditingMode.Ink;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2024-06-05 19:57:15 +08:00
|
|
|
|
// -- removed --
|
|
|
|
|
//
|
|
|
|
|
//private void inkCanvas_ManipulationStarted(object sender, ManipulationStartedEventArgs e)
|
|
|
|
|
//{
|
|
|
|
|
// if (isInMultiTouchMode || !Settings.Gesture.IsEnableTwoFingerGesture || inkCanvas.Strokes.Count == 0 || dec.Count() < 2) return;
|
|
|
|
|
// _currentCommitType = CommitReason.Manipulation;
|
|
|
|
|
// StrokeCollection strokes = inkCanvas.GetSelectedStrokes();
|
|
|
|
|
// if (strokes.Count != 0)
|
|
|
|
|
// {
|
|
|
|
|
// inkCanvas.Strokes.Replace(strokes, strokes.Clone());
|
|
|
|
|
// }
|
|
|
|
|
// else
|
|
|
|
|
// {
|
|
|
|
|
// var originalStrokes = inkCanvas.Strokes;
|
|
|
|
|
// var targetStrokes = originalStrokes.Clone();
|
|
|
|
|
// originalStrokes.Replace(originalStrokes, targetStrokes);
|
|
|
|
|
// }
|
|
|
|
|
// _currentCommitType = CommitReason.UserInput;
|
|
|
|
|
//}
|
2024-05-11 01:35:32 +08:00
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
private void Main_Grid_ManipulationDelta(object sender, ManipulationDeltaEventArgs e)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
if (isInMultiTouchMode || !Settings.Gesture.IsEnableTwoFingerGesture) return;
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if ((dec.Count >= 2 && (Settings.PowerPointSettings.IsEnableTwoFingerGestureInPresentationMode || StackPanelPPTControls.Visibility != Visibility.Visible || StackPanelPPTButtons.Visibility == Visibility.Collapsed)) || isSingleFingerDragMode)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
ManipulationDelta md = e.DeltaManipulation;
|
|
|
|
|
Vector trans = md.Translation; // 获得位移矢量
|
|
|
|
|
|
|
|
|
|
Matrix m = new Matrix();
|
|
|
|
|
|
|
|
|
|
if (Settings.Gesture.IsEnableTwoFingerTranslate)
|
|
|
|
|
m.Translate(trans.X, trans.Y); // 移动
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (Settings.Gesture.IsEnableTwoFingerGestureTranslateOrRotation)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
double rotate = md.Rotation; // 获得旋转角度
|
|
|
|
|
Vector scale = md.Scale; // 获得缩放倍数
|
|
|
|
|
|
|
|
|
|
// Find center of element and then transform to get current location of center
|
|
|
|
|
FrameworkElement fe = e.Source as FrameworkElement;
|
|
|
|
|
Point center = new Point(fe.ActualWidth / 2, fe.ActualHeight / 2);
|
|
|
|
|
center = m.Transform(center); // 转换为矩阵缩放和旋转的中心点
|
|
|
|
|
|
|
|
|
|
if (Settings.Gesture.IsEnableTwoFingerRotation)
|
|
|
|
|
m.RotateAt(rotate, center.X, center.Y); // 旋转
|
|
|
|
|
if (Settings.Gesture.IsEnableTwoFingerZoom)
|
|
|
|
|
m.ScaleAt(scale.X, scale.Y, center.X, center.Y); // 缩放
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
StrokeCollection strokes = inkCanvas.GetSelectedStrokes();
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (strokes.Count != 0)
|
|
|
|
|
{
|
|
|
|
|
foreach (Stroke stroke in strokes)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
stroke.Transform(m, false);
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
foreach (Circle circle in circles)
|
|
|
|
|
{
|
|
|
|
|
if (stroke == circle.Stroke)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
circle.R = GetDistance(circle.Stroke.StylusPoints[0].ToPoint(), circle.Stroke.StylusPoints[circle.Stroke.StylusPoints.Count / 2].ToPoint()) / 2;
|
|
|
|
|
circle.Centroid = new Point((circle.Stroke.StylusPoints[0].X + circle.Stroke.StylusPoints[circle.Stroke.StylusPoints.Count / 2].X) / 2,
|
|
|
|
|
(circle.Stroke.StylusPoints[0].Y + circle.Stroke.StylusPoints[circle.Stroke.StylusPoints.Count / 2].Y) / 2);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
if (Settings.Gesture.IsEnableTwoFingerZoom)
|
|
|
|
|
{
|
|
|
|
|
try
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
stroke.DrawingAttributes.Width *= md.Scale.X;
|
|
|
|
|
stroke.DrawingAttributes.Height *= md.Scale.Y;
|
2024-05-11 18:43:35 +08:00
|
|
|
|
}
|
|
|
|
|
catch { }
|
2024-05-01 18:23:32 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
2024-06-05 19:57:15 +08:00
|
|
|
|
if (lastTempManiputlaionMatrix == null)
|
|
|
|
|
{
|
|
|
|
|
lastTempManiputlaionMatrix = m;
|
|
|
|
|
lastTempStrokeCollection = strokes;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
lastTempManiputlaionMatrix?.Append(m);
|
|
|
|
|
}
|
2024-05-11 18:43:35 +08:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (Settings.Gesture.IsEnableTwoFingerZoom)
|
|
|
|
|
{
|
|
|
|
|
foreach (Stroke stroke in inkCanvas.Strokes)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
stroke.Transform(m, false);
|
2024-05-11 18:43:35 +08:00
|
|
|
|
try
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
stroke.DrawingAttributes.Width *= md.Scale.X;
|
|
|
|
|
stroke.DrawingAttributes.Height *= md.Scale.Y;
|
2024-05-11 18:43:35 +08:00
|
|
|
|
}
|
|
|
|
|
catch { }
|
2024-05-01 18:23:32 +08:00
|
|
|
|
};
|
2024-05-11 18:43:35 +08:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
foreach (Stroke stroke in inkCanvas.Strokes)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
stroke.Transform(m, false);
|
|
|
|
|
};
|
|
|
|
|
}
|
|
|
|
|
|
2024-05-11 18:43:35 +08:00
|
|
|
|
foreach (Circle circle in circles)
|
|
|
|
|
{
|
2024-05-01 18:23:32 +08:00
|
|
|
|
circle.R = GetDistance(circle.Stroke.StylusPoints[0].ToPoint(), circle.Stroke.StylusPoints[circle.Stroke.StylusPoints.Count / 2].ToPoint()) / 2;
|
|
|
|
|
circle.Centroid = new Point(
|
|
|
|
|
(circle.Stroke.StylusPoints[0].X + circle.Stroke.StylusPoints[circle.Stroke.StylusPoints.Count / 2].X) / 2,
|
|
|
|
|
(circle.Stroke.StylusPoints[0].Y + circle.Stroke.StylusPoints[circle.Stroke.StylusPoints.Count / 2].Y) / 2
|
|
|
|
|
);
|
|
|
|
|
};
|
2024-06-05 19:57:15 +08:00
|
|
|
|
if (lastTempManiputlaionMatrix == null)
|
|
|
|
|
{
|
|
|
|
|
lastTempManiputlaionMatrix = m;
|
|
|
|
|
lastTempStrokeCollection = inkCanvas.Strokes;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
lastTempManiputlaionMatrix?.Append(m);
|
|
|
|
|
}
|
2024-05-01 18:23:32 +08:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
2024-05-11 18:43:35 +08:00
|
|
|
|
}
|