565 lines
23 KiB
C#
565 lines
23 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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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 iNKORE.UI.WPF.Modern.Controls;
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using Point = System.Windows.Point;
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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 Floating Control
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private object lastBorderMouseDownObject;
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private void Border_MouseDown(object sender, MouseButtonEventArgs e)
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{
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// 如果发送者是 RandomDrawPanel 或 SingleDrawPanel，且它们被隐藏，则不处理事件
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if (sender is SimpleStackPanel panel)
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{
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if ((panel == RandomDrawPanel || panel == SingleDrawPanel) &&
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panel.Visibility != Visibility.Visible)
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{
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return;
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}
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}
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lastBorderMouseDownObject = sender;
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}
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private bool isStrokeSelectionCloneOn;
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private void BorderStrokeSelectionClone_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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if (isStrokeSelectionCloneOn)
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{
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BorderStrokeSelectionClone.Background = Brushes.Transparent;
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isStrokeSelectionCloneOn = false;
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}
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else
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{
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BorderStrokeSelectionClone.Background = new SolidColorBrush(StringToColor("#FF1ED760"));
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isStrokeSelectionCloneOn = true;
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}
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}
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private void BorderStrokeSelectionCloneToNewBoard_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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var strokes = inkCanvas.GetSelectedStrokes();
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inkCanvas.Select(new StrokeCollection());
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strokes = strokes.Clone();
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BtnWhiteBoardAdd_Click(null, null);
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inkCanvas.Strokes.Add(strokes);
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}
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private void BorderStrokeSelectionDelete_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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SymbolIconDelete_MouseUp(sender, e);
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}
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private void GridPenWidthDecrease_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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ChangeStrokeThickness(0.8);
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}
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private void GridPenWidthIncrease_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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ChangeStrokeThickness(1.25);
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}
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private void ChangeStrokeThickness(double multipler)
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{
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foreach (var stroke in inkCanvas.GetSelectedStrokes())
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{
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var newWidth = stroke.DrawingAttributes.Width * multipler;
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var newHeight = stroke.DrawingAttributes.Height * multipler;
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if (!(newWidth >= DrawingAttributes.MinWidth) || !(newWidth <= DrawingAttributes.MaxWidth)
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|| !(newHeight >= DrawingAttributes.MinHeight) ||
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!(newHeight <= DrawingAttributes.MaxHeight)) continue;
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stroke.DrawingAttributes.Width = newWidth;
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stroke.DrawingAttributes.Height = newHeight;
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}
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if (DrawingAttributesHistory.Count > 0)
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{
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timeMachine.CommitStrokeDrawingAttributesHistory(DrawingAttributesHistory);
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DrawingAttributesHistory = new Dictionary<Stroke, Tuple<DrawingAttributes, DrawingAttributes>>();
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foreach (var item in DrawingAttributesHistoryFlag)
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{
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item.Value.Clear();
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}
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}
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}
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private void GridPenWidthRestore_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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foreach (var stroke in inkCanvas.GetSelectedStrokes())
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{
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stroke.DrawingAttributes.Width = inkCanvas.DefaultDrawingAttributes.Width;
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stroke.DrawingAttributes.Height = inkCanvas.DefaultDrawingAttributes.Height;
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}
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}
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private void ImageFlipHorizontal_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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var m = new Matrix();
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// Find center of element and then transform to get current location of center
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var fe = e.Source as FrameworkElement;
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var center = new Point(fe.ActualWidth / 2, fe.ActualHeight / 2);
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center = new Point(inkCanvas.GetSelectionBounds().Left + inkCanvas.GetSelectionBounds().Width / 2,
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inkCanvas.GetSelectionBounds().Top + inkCanvas.GetSelectionBounds().Height / 2);
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center = m.Transform(center); // 转换为矩阵缩放和旋转的中心点
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// Update matrix to reflect translation/rotation
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m.ScaleAt(-1, 1, center.X, center.Y); // 缩放
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var targetStrokes = inkCanvas.GetSelectedStrokes();
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foreach (var stroke in targetStrokes) stroke.Transform(m, false);
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if (DrawingAttributesHistory.Count > 0)
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{
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//var collecion = new StrokeCollection();
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//foreach (var item in DrawingAttributesHistory)
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//{
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// collecion.Add(item.Key);
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//}
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timeMachine.CommitStrokeDrawingAttributesHistory(DrawingAttributesHistory);
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DrawingAttributesHistory = new Dictionary<Stroke, Tuple<DrawingAttributes, DrawingAttributes>>();
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foreach (var item in DrawingAttributesHistoryFlag)
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{
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item.Value.Clear();
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}
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}
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//updateBorderStrokeSelectionControlLocation();
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}
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private void ImageFlipVertical_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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var m = new Matrix();
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// Find center of element and then transform to get current location of center
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var fe = e.Source as FrameworkElement;
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var center = new Point(fe.ActualWidth / 2, fe.ActualHeight / 2);
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center = new Point(inkCanvas.GetSelectionBounds().Left + inkCanvas.GetSelectionBounds().Width / 2,
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inkCanvas.GetSelectionBounds().Top + inkCanvas.GetSelectionBounds().Height / 2);
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center = m.Transform(center); // 转换为矩阵缩放和旋转的中心点
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// Update matrix to reflect translation/rotation
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m.ScaleAt(1, -1, center.X, center.Y); // 缩放
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var targetStrokes = inkCanvas.GetSelectedStrokes();
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foreach (var stroke in targetStrokes) stroke.Transform(m, false);
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if (DrawingAttributesHistory.Count > 0)
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{
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timeMachine.CommitStrokeDrawingAttributesHistory(DrawingAttributesHistory);
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DrawingAttributesHistory = new Dictionary<Stroke, Tuple<DrawingAttributes, DrawingAttributes>>();
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foreach (var item in DrawingAttributesHistoryFlag)
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{
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item.Value.Clear();
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}
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}
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}
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// ... existing code ...
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private void ImageRotate45_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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var m = new Matrix();
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// Find center of element and then transform to get current location of center
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var fe = e.Source as FrameworkElement;
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var center = new Point(fe.ActualWidth / 2, fe.ActualHeight / 2);
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center = new Point(inkCanvas.GetSelectionBounds().Left + inkCanvas.GetSelectionBounds().Width / 2,
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inkCanvas.GetSelectionBounds().Top + inkCanvas.GetSelectionBounds().Height / 2);
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center = m.Transform(center); // 转换为矩阵缩放和旋转的中心点
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// Update matrix to reflect translation/rotation
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m.RotateAt(45, center.X, center.Y); // 顺时针旋转45度
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var targetStrokes = inkCanvas.GetSelectedStrokes();
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foreach (var stroke in targetStrokes) stroke.Transform(m, false);
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if (DrawingAttributesHistory.Count > 0)
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{
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timeMachine.CommitStrokeDrawingAttributesHistory(DrawingAttributesHistory);
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DrawingAttributesHistory = new Dictionary<Stroke, Tuple<DrawingAttributes, DrawingAttributes>>();
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foreach (var item in DrawingAttributesHistoryFlag)
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{
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item.Value.Clear();
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}
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}
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}
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private void ImageRotate90_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (lastBorderMouseDownObject != sender) return;
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var m = new Matrix();
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// Find center of element and then transform to get current location of center
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var fe = e.Source as FrameworkElement;
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var center = new Point(fe.ActualWidth / 2, fe.ActualHeight / 2);
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center = new Point(inkCanvas.GetSelectionBounds().Left + inkCanvas.GetSelectionBounds().Width / 2,
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inkCanvas.GetSelectionBounds().Top + inkCanvas.GetSelectionBounds().Height / 2);
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center = m.Transform(center); // 转换为矩阵缩放和旋转的中心点
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// Update matrix to reflect translation/rotation
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m.RotateAt(90, center.X, center.Y); // 旋转
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var targetStrokes = inkCanvas.GetSelectedStrokes();
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foreach (var stroke in targetStrokes) stroke.Transform(m, false);
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if (DrawingAttributesHistory.Count > 0)
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{
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var collecion = new StrokeCollection();
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foreach (var item in DrawingAttributesHistory)
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{
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collecion.Add(item.Key);
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}
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timeMachine.CommitStrokeDrawingAttributesHistory(DrawingAttributesHistory);
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DrawingAttributesHistory = new Dictionary<Stroke, Tuple<DrawingAttributes, DrawingAttributes>>();
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foreach (var item in DrawingAttributesHistoryFlag)
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{
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item.Value.Clear();
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}
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}
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}
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#endregion
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private bool isGridInkCanvasSelectionCoverMouseDown;
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private StrokeCollection StrokesSelectionClone = new StrokeCollection();
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private void GridInkCanvasSelectionCover_MouseDown(object sender, MouseButtonEventArgs e)
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{
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isGridInkCanvasSelectionCoverMouseDown = true;
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}
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private void GridInkCanvasSelectionCover_MouseUp(object sender, MouseButtonEventArgs e)
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{
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if (!isGridInkCanvasSelectionCoverMouseDown) return;
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isGridInkCanvasSelectionCoverMouseDown = false;
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GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
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}
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private void BtnSelect_Click(object sender, RoutedEventArgs e)
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{
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ExitMultiTouchModeIfNeeded();
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forceEraser = true;
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drawingShapeMode = 0;
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inkCanvas.IsManipulationEnabled = false;
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if (inkCanvas.EditingMode == InkCanvasEditingMode.Select)
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{
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if (inkCanvas.GetSelectedStrokes().Count == inkCanvas.Strokes.Count)
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{
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// 使用集中化的工具模式切换方法
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SetCurrentToolMode(InkCanvasEditingMode.Ink,
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() => { SetCurrentToolMode(InkCanvasEditingMode.Select); });
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}
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else
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{
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var selectedStrokes = new StrokeCollection();
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foreach (var stroke in inkCanvas.Strokes)
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if (stroke.GetBounds().Width > 0 && stroke.GetBounds().Height > 0)
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selectedStrokes.Add(stroke);
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inkCanvas.Select(selectedStrokes);
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}
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}
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else
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{
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// 使用集中化的工具模式切换方法
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SetCurrentToolMode(InkCanvasEditingMode.Select);
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}
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}
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private double BorderStrokeSelectionControlWidth = 490.0;
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private double BorderStrokeSelectionControlHeight = 80.0;
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private bool isProgramChangeStrokeSelection;
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private void inkCanvas_SelectionChanged(object sender, EventArgs e)
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{
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if (isProgramChangeStrokeSelection) return;
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// 检查是否有图片元素被选中
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var selectedElements = inkCanvas.GetSelectedElements();
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bool hasImageElement = selectedElements.Any(element => element is Image);
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// 如果有图片元素被选中，不显示选择框
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if (hasImageElement)
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{
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GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
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return;
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}
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if (inkCanvas.GetSelectedStrokes().Count == 0)
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{
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GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
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}
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else
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{
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GridInkCanvasSelectionCover.Visibility = Visibility.Visible;
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BorderStrokeSelectionClone.Background = Brushes.Transparent;
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isStrokeSelectionCloneOn = false;
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updateBorderStrokeSelectionControlLocation();
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}
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}
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private void updateBorderStrokeSelectionControlLocation()
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{
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var borderLeft = (inkCanvas.GetSelectionBounds().Left + inkCanvas.GetSelectionBounds().Right -
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BorderStrokeSelectionControlWidth) / 2;
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var borderTop = inkCanvas.GetSelectionBounds().Bottom + 1;
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if (borderLeft < 0) borderLeft = 0;
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if (borderTop < 0) borderTop = 0;
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if (Width - borderLeft < BorderStrokeSelectionControlWidth || double.IsNaN(borderLeft))
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borderLeft = Width - BorderStrokeSelectionControlWidth;
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if (Height - borderTop < BorderStrokeSelectionControlHeight || double.IsNaN(borderTop))
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borderTop = Height - BorderStrokeSelectionControlHeight;
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if (borderTop > 60) borderTop -= 60;
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BorderStrokeSelectionControl.Margin = new Thickness(borderLeft, borderTop, 0, 0);
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}
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private void GridInkCanvasSelectionCover_ManipulationStarting(object sender, ManipulationStartingEventArgs e)
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{
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e.Mode = ManipulationModes.All;
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}
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private void GridInkCanvasSelectionCover_ManipulationCompleted(object sender, ManipulationCompletedEventArgs e)
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{
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if (StrokeManipulationHistory?.Count > 0)
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{
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timeMachine.CommitStrokeManipulationHistory(StrokeManipulationHistory);
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foreach (var item in StrokeManipulationHistory)
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{
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StrokeInitialHistory[item.Key] = item.Value.Item2;
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}
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StrokeManipulationHistory = null;
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}
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if (DrawingAttributesHistory.Count > 0)
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{
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timeMachine.CommitStrokeDrawingAttributesHistory(DrawingAttributesHistory);
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DrawingAttributesHistory = new Dictionary<Stroke, Tuple<DrawingAttributes, DrawingAttributes>>();
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foreach (var item in DrawingAttributesHistoryFlag)
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{
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item.Value.Clear();
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}
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}
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}
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private void GridInkCanvasSelectionCover_ManipulationDelta(object sender, ManipulationDeltaEventArgs e)
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{
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try
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{
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if (dec.Count >= 1)
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{
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bool disableScale = dec.Count >= 3;
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var md = e.DeltaManipulation;
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var trans = md.Translation; // 获得位移矢量
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var rotate = md.Rotation; // 获得旋转角度
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var scale = md.Scale; // 获得缩放倍数
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var m = new Matrix();
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// Find center of element and then transform to get current location of center
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var fe = e.Source as FrameworkElement;
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var center = new Point(fe.ActualWidth / 2, fe.ActualHeight / 2);
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center = new Point(inkCanvas.GetSelectionBounds().Left + inkCanvas.GetSelectionBounds().Width / 2,
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inkCanvas.GetSelectionBounds().Top + inkCanvas.GetSelectionBounds().Height / 2);
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center = m.Transform(center); // 转换为矩阵缩放和旋转的中心点
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// Update matrix to reflect translation/rotation
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m.Translate(trans.X, trans.Y); // 移动
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if (!disableScale)
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m.ScaleAt(scale.X, scale.Y, center.X, center.Y); // 缩放
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var strokes = inkCanvas.GetSelectedStrokes();
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if (StrokesSelectionClone.Count != 0)
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strokes = StrokesSelectionClone;
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else if (Settings.Gesture.IsEnableTwoFingerRotationOnSelection)
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m.RotateAt(rotate, center.X, center.Y); // 旋转
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foreach (var stroke in strokes)
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{
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stroke.Transform(m, false);
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try
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{
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stroke.DrawingAttributes.Width *= md.Scale.X;
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stroke.DrawingAttributes.Height *= md.Scale.Y;
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}
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catch
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{
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}
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}
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updateBorderStrokeSelectionControlLocation();
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}
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}
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catch
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{
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}
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}
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private void GridInkCanvasSelectionCover_TouchDown(object sender, TouchEventArgs e)
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{
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}
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private void GridInkCanvasSelectionCover_TouchUp(object sender, TouchEventArgs e)
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{
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}
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private Point lastTouchPointOnGridInkCanvasCover = new Point(0, 0);
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private void GridInkCanvasSelectionCover_PreviewTouchDown(object sender, TouchEventArgs e)
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{
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dec.Add(e.TouchDevice.Id);
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//设备1个的时候，记录中心点
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if (dec.Count == 1)
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{
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var touchPoint = e.GetTouchPoint(null);
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centerPoint = touchPoint.Position;
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lastTouchPointOnGridInkCanvasCover = touchPoint.Position;
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if (isStrokeSelectionCloneOn)
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{
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var strokes = inkCanvas.GetSelectedStrokes();
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isProgramChangeStrokeSelection = true;
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inkCanvas.Select(new StrokeCollection());
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StrokesSelectionClone = strokes.Clone();
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inkCanvas.Select(strokes);
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isProgramChangeStrokeSelection = false;
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inkCanvas.Strokes.Add(StrokesSelectionClone);
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}
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else
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{
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// 新增：启动套索选择模式
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// 使用集中化的工具模式切换方法
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SetCurrentToolMode(InkCanvasEditingMode.Select);
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inkCanvas.Select(new StrokeCollection());
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}
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}
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}
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private void GridInkCanvasSelectionCover_PreviewTouchUp(object sender, TouchEventArgs e)
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{
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dec.Remove(e.TouchDevice.Id);
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if (dec.Count >= 1) return;
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isProgramChangeStrokeSelection = false;
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if (lastTouchPointOnGridInkCanvasCover == e.GetTouchPoint(null).Position)
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{
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if (!(lastTouchPointOnGridInkCanvasCover.X < inkCanvas.GetSelectionBounds().Left) &&
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!(lastTouchPointOnGridInkCanvasCover.Y < inkCanvas.GetSelectionBounds().Top) &&
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!(lastTouchPointOnGridInkCanvasCover.X > inkCanvas.GetSelectionBounds().Right) &&
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!(lastTouchPointOnGridInkCanvasCover.Y > inkCanvas.GetSelectionBounds().Bottom)) return;
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inkCanvas.Select(new StrokeCollection());
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StrokesSelectionClone = new StrokeCollection();
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}
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else if (inkCanvas.GetSelectedStrokes().Count == 0)
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{
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GridInkCanvasSelectionCover.Visibility = Visibility.Collapsed;
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StrokesSelectionClone = new StrokeCollection();
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}
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else
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{
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GridInkCanvasSelectionCover.Visibility = Visibility.Visible;
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StrokesSelectionClone = new StrokeCollection();
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}
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}
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private void LassoSelect_Click(object sender, RoutedEventArgs e)
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{
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ExitMultiTouchModeIfNeeded();
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forceEraser = false;
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forcePointEraser = false;
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drawingShapeMode = 0;
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// 使用集中化的工具模式切换方法
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SetCurrentToolMode(InkCanvasEditingMode.Select);
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SetCursorBasedOnEditingMode(inkCanvas);
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}
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private void BtnLassoSelect_Click(object sender, RoutedEventArgs e)
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{
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ExitMultiTouchModeIfNeeded();
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forceEraser = false;
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forcePointEraser = false;
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drawingShapeMode = 0;
|
|
// 使用集中化的工具模式切换方法
|
|
SetCurrentToolMode(InkCanvasEditingMode.Select);
|
|
inkCanvas.IsManipulationEnabled = true;
|
|
SetCursorBasedOnEditingMode(inkCanvas);
|
|
}
|
|
|
|
#region UIElement Selection and Resize
|
|
|
|
private Rect GetUIElementBounds(UIElement element)
|
|
{
|
|
if (element is FrameworkElement fe)
|
|
{
|
|
var left = InkCanvas.GetLeft(element);
|
|
var top = InkCanvas.GetTop(element);
|
|
|
|
if (double.IsNaN(left)) left = 0;
|
|
if (double.IsNaN(top)) top = 0;
|
|
|
|
var width = fe.ActualWidth > 0 ? fe.ActualWidth : fe.Width;
|
|
var height = fe.ActualHeight > 0 ? fe.ActualHeight : fe.Height;
|
|
|
|
// 检查是否有RenderTransform
|
|
if (fe.RenderTransform != null && fe.RenderTransform != Transform.Identity)
|
|
{
|
|
try
|
|
{
|
|
// 如果有变换，使用变换后的边界
|
|
var transform = element.TransformToAncestor(inkCanvas);
|
|
var elementBounds = new Rect(0, 0, width, height);
|
|
var transformedBounds = transform.TransformBounds(elementBounds);
|
|
return transformedBounds;
|
|
}
|
|
catch
|
|
{
|
|
// 变换失败时回退到简单计算
|
|
return new Rect(left, top, width, height);
|
|
}
|
|
}
|
|
|
|
// 没有变换时直接使用位置和大小
|
|
return new Rect(left, top, width, height);
|
|
}
|
|
|
|
return new Rect(0, 0, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|