后台代码
using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace WPF_InkCanvas
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window
{
ViewModel viewModel;
public MainWindow()
{
InitializeComponent();
DrawingAttributes drawingAttributes = new DrawingAttributes
{
Color = Colors.Red,
Width = 2,
Height = 2,
StylusTip = StylusTip.Rectangle,
FitToCurve = true,
IsHighlighter = false,
IgnorePressure = true,
};
inkCanvasMeasure.DefaultDrawingAttributes = drawingAttributes;
viewModel = new ViewModel
{
MeaInfo = "测试······",
};
DataContext = viewModel;
}
private void InkCanvasMeasure_MouseDown(object sender, MouseButtonEventArgs e)
{
}
private void InkCanvasMeasure_MouseMove(object sender, MouseEventArgs e)
{
}
private void OpenFile_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openDialog = new OpenFileDialog
{
Filter = "Image Files (*.jpg)|*.jpg|Image Files (*.png)|*.png|Image Files (*.bmp)|*.bmp",
};
if (openDialog.ShowDialog() == true)
{
BitmapImage image = new BitmapImage();
image.BeginInit();
image.UriSource = new Uri(openDialog.FileName, UriKind.RelativeOrAbsolute);
image.EndInit();
imgMeasure.Source = image;
}
}
private void RadioButton_Click(object sender, RoutedEventArgs e)
{
if ((sender as RadioButton).Content.ToString() == "绘制墨迹")
{
inkCanvasMeasure.EditingMode = InkCanvasEditingMode.Ink;
}
else if ((sender as RadioButton).Content.ToString() == "按点擦除")
{
inkCanvasMeasure.EditingMode = InkCanvasEditingMode.EraseByPoint;
}
else if ((sender as RadioButton).Content.ToString() == "按线擦除")
{
inkCanvasMeasure.EditingMode = InkCanvasEditingMode.EraseByStroke;
}
else if ((sender as RadioButton).Content.ToString() == "选中墨迹")
{
inkCanvasMeasure.EditingMode = InkCanvasEditingMode.Select;
}
else if ((sender as RadioButton).Content.ToString() == "停止操作")
{
inkCanvasMeasure.EditingMode = InkCanvasEditingMode.None;
}
}
private void SaveInkCanvas_Click(object sender, RoutedEventArgs e)
{
FileStream fileStream = new FileStream("inkCanvas.isf", FileMode.Create, FileAccess.ReadWrite);
inkCanvasMeasure.Strokes.Save(fileStream);
fileStream.Close();
}
private void LoadInkCanvas_Click(object sender, RoutedEventArgs e)
{
FileStream fileStream = new FileStream("inkCanvas.isf", FileMode.Open, FileAccess.Read);
inkCanvasMeasure.Strokes = new StrokeCollection(fileStream);
fileStream.Close();
}
private void CopyInkCanvas_Click(object sender, RoutedEventArgs e)
{
inkCanvasMeasure.CopySelection();
}
private void PasteInkCanvas_Click(object sender, RoutedEventArgs e)
{
inkCanvasMeasure.Paste();
}
}
}
