* InkStrokeContainer - 用于管理涂鸦
* UpdateRecognitionResults(IReadOnlyList<InkRecognitionResult> recognitionResults) - 将指定的识别结果通知给 InkStrokeContainer(此时 InkStrokeContainer 中被识别的 InkStroke 的 Recognized 将被标记为 true)
* 如果使用的是 InkRecognitionTarget.All 则 InkStrokeContainer 中的所有的 InkStroke 的 Recognized 将被标记为 true
* 如果使用的是 InkRecognitionTarget.Selected 则 InkStrokeContainer 中的被选中的 InkStroke 的 Recognized 将被标记为 true
* GetRecognitionResults() - 返回之前通过 UpdateRecognitionResults 方法设置的数据
*
* InkStroke - 涂鸦对象(这是一次的涂鸦对象,即鼠标按下后移动然后再抬起后所绘制出的涂鸦)
* Recognized - 此 InkStroke 是否被识别了
* Selected - 此 InkStroke 是否被选中了
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using Windows.Foundation;
using Windows.UI;
using Windows.UI.Core;
using Windows.UI.Input.Inking;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
namespace Windows10.Controls.MediaControl
{
public sealed partial class InkCanvasDemo4 : Page
{
public InkCanvasDemo4()
{
this.InitializeComponent();
inkCanvas.InkPresenter.InputDeviceTypes = CoreInputDeviceTypes.Mouse | CoreInputDeviceTypes.Pen | CoreInputDeviceTypes.Touch;
InkDrawingAttributes drawingAttributes = inkCanvas.InkPresenter.CopyDefaultDrawingAttributes();
drawingAttributes.IgnorePressure = true;
drawingAttributes.Color = Colors.Red;
drawingAttributes.Size = new Size(4, 4);
inkCanvas.InkPresenter.UpdateDefaultDrawingAttributes(drawingAttributes);
}
private async void recognize_Click(object sender, RoutedEventArgs e)
{
if (inkCanvas.InkPresenter.StrokeContainer.GetStrokes().Count == 0)
return;
InkRecognizerContainer container = new InkRecognizerContainer();
lblMsg.Text = "手写识别器: ";
lblMsg.Text += Environment.NewLine;
// 获取当前支持的手写识别器列表,如果有多个的话可以通过 SetDefaultRecognizer 方法来指定默认的手写识别器
IReadOnlyList<InkRecognizer> recognizers = container.GetRecognizers();
foreach (InkRecognizer ir in recognizers)
{
lblMsg.Text += ir.Name;
lblMsg.Text += Environment.NewLine;
}
lblMsg.Text += Environment.NewLine;
lblMsg.Text += "识别结果: ";
lblMsg.Text += Environment.NewLine;
IReadOnlyList<InkRecognitionResult> result = await container.RecognizeAsync(inkCanvas.InkPresenter.StrokeContainer, InkRecognitionTarget.All);
foreach (string textCandidate in result[0].GetTextCandidates())
{
lblMsg.Text += textCandidate;
lblMsg.Text += Environment.NewLine;
}
// 将识别结果通知给 InkStrokeContainer
inkCanvas.InkPresenter.StrokeContainer.UpdateRecognitionResults(result);
// 识别结果通知给 InkStrokeContainer 后,被识别的 InkStroke 的 Recognized 将被标记为 true
// 如果在识别的时候使用的是 InkRecognitionTarget.All 则所有的 InkStroke 的 Recognized 将被标记为 true
// 如果在识别的时候使用的是 InkRecognitionTarget.Selected 则被选中的 InkStroke 的 Recognized 将被标记为 true
IReadOnlyList<InkStroke> strokes = inkCanvas.InkPresenter.StrokeContainer.GetStrokes();
foreach (InkStroke stroke in strokes)
{
Debug.WriteLine("stroke.Recognized: " + stroke.Recognized);
}
// 这个获取到的就是之前通过 InkStrokeContainer 方式设置的数据
result = inkCanvas.InkPresenter.StrokeContainer.GetRecognitionResults();
}
}
}
OK [源码下载]
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