本文整理汇总了C#中System.Windows.Input.StylusPlugIns.RawStylusInput类的典型用法代码示例。如果您正苦于以下问题:C# RawStylusInput类的具体用法?C# RawStylusInput怎么用?C# RawStylusInput使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
RawStylusInput类属于System.Windows.Input.StylusPlugIns命名空间,在下文中一共展示了RawStylusInput类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: RecognizerPlugin
class RecognizerPlugin : StylusPlugIn
{
GestureRecognizer recognizer;
// StylusPointCollection that contains the stylus points of the current
// stroke.
StylusPointCollection points;
// Keeps track of the stylus to check whether two styluses are used on the
// digitizer.
int currentStylus;
public RecognizerPlugin()
: base()
{
recognizer = new GestureRecognizer();
}
// Collect the points as the user draws the stroke.
protected override void OnStylusDown(RawStylusInput rawStylusInput)
{
// If points is not null, there is already a stroke taking place
// on the digitizer, so don't create a new StylusPointsCollection.
if (points == null)
{
points = new StylusPointCollection(rawStylusInput.GetStylusPoints().Description);
points.Add(rawStylusInput.GetStylusPoints());
currentStylus = rawStylusInput.StylusDeviceId;
}
}
// Collect the points as the user draws the stroke.
protected override void OnStylusMove(RawStylusInput rawStylusInput)
{
// Check whether the stylus that started the stroke is the same, and
// that the element hasn't lost focus since the stroke began.
if (points != null && currentStylus == rawStylusInput.StylusDeviceId)
{
points.Add(rawStylusInput.GetStylusPoints());
}
}
// Collect the points as the user draws the stroke.
protected override void OnStylusUp(RawStylusInput rawStylusInput)
{
// Check whether the stylus that started the stroke is the same, and
// that the element hasn't lost focus since the stroke began.
if (points != null && currentStylus == rawStylusInput.StylusDeviceId)
{
points.Add(rawStylusInput.GetStylusPoints());
// Subscribe to the OnStylusUpProcessed method.
rawStylusInput.NotifyWhenProcessed(points);
}
points = null;
currentStylus = 0;
}
// If the element loses focus, stop collecting the points and don't
// perform gesture recognition.
protected override void OnStylusLeave(RawStylusInput rawStylusInput, bool confirmed)
{
if (confirmed)
{
// Clear the StylusPointCollection
points = null;
currentStylus = 0;
}
}
// This method is called on the application thread.
protected override void OnStylusUpProcessed(object callbackData, bool targetVerified)
{
// Check that the element actually receive the OnStylusUp input.
if (targetVerified && recognizer.IsRecognizerAvailable)
{
StylusPointCollection strokePoints = callbackData as StylusPointCollection;
if (strokePoints == null)
{
return;
}
// Create a StrokeCollection to pass to the GestureRecognizer.
Stroke newStroke = new Stroke(strokePoints);
StrokeCollection strokes = new StrokeCollection();
strokes.Add(newStroke);
ReadOnlyCollection<GestureRecognitionResult> results = recognizer.Recognize(strokes);
// If the GestureRecognizer recognizes the stroke as a Down
// gesture with strong confidence, raise an event.
if (results[0].ApplicationGesture == ApplicationGesture.Down &&
results[0].RecognitionConfidence == RecognitionConfidence.Strong)
{
//raise event
}
}
}
}
开发者ID:.NET开发者,项目名称:System.Windows.Input.StylusPlugIns,代码行数:101,代码来源:RawStylusInput
注:本文中的System.Windows.Input.StylusPlugIns.RawStylusInput类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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