//</Snippet4>
void StylusPointConstructor()
{
//<snippet5>
StylusPointDescription newDescription =
new StylusPointDescription(new StylusPointPropertyInfo[]
{
new StylusPointPropertyInfo(StylusPointProperties.X),
new StylusPointPropertyInfo(StylusPointProperties.Y),
new StylusPointPropertyInfo(StylusPointProperties.NormalPressure),
new StylusPointPropertyInfo(StylusPointProperties.XTiltOrientation),
new StylusPointPropertyInfo(StylusPointProperties.YTiltOrientation),
new StylusPointPropertyInfo(StylusPointProperties.BarrelButton)
});
int[] propertyValues = { 1800, 1000, 1 };
StylusPoint newStylusPoint = new StylusPoint(100, 100, .5f, newDescription, propertyValues);
//</snippet5>
//<Snippet16>
StylusPointPropertyInfo XTiltPropertyInfo =
new StylusPointPropertyInfo(StylusPointProperties.XTiltOrientation,
0, 3600, StylusPointPropertyUnit.Degrees, 10f);
//</Snippet16>
StylusPoint point = new StylusPoint();
//<Snippet11>
if (point.HasProperty(StylusPointProperties.PitchRotation))
{
int pitchRotation = point.GetPropertyValue(StylusPointProperties.PitchRotation);
}
//</Snippet11>
//<Snippet12>
if (point.HasProperty(StylusPointProperties.PitchRotation))
{
point.SetPropertyValue(StylusPointProperties.PitchRotation, 1000);
}
//</Snippet12>
}
protected override double GetStylusPointWidthOrHeight(StylusPoint stylusPoint, bool isWidth)
{
double pixelsPerInch = DpiUtil.DefaultPixelsPerInch;
// If we have an active source and root visual use the DPI from there
if (ActiveSource?.RootVisual != null)
{
pixelsPerInch = VisualTreeHelper.GetDpi(ActiveSource.RootVisual).PixelsPerInchX;
}
StylusPointProperty property = (isWidth ? StylusPointProperties.Width : StylusPointProperties.Height);
double value = 0d;
if (stylusPoint.HasProperty(property))
{
// Get the property value in the corresponding units
value = (double)stylusPoint.GetPropertyValue(property);
StylusPointPropertyInfo propertyInfo = stylusPoint.Description.GetPropertyInfo(property);
if (!DoubleUtil.AreClose(propertyInfo.Resolution, 0d))
{
value /= propertyInfo.Resolution;
}
else
{
value = 0;
}
// Convert the value to Inches
if (propertyInfo.Unit == StylusPointPropertyUnit.Centimeters)
{
value /= CentimetersPerInch;
}
// Convert the value to pixels
value *= pixelsPerInch;
}
return(value);
}
/// <summary>
/// Get the width or height of the stylus point's bounding box.
/// </summary>
/// <param name="stylusPoint">The point for which the width or height is being calculated</param>
/// <param name="isWidth">True if this should calculate width, false for height</param>
/// <returns>The width or height of the stylus poing</returns>
/// <remarks>
/// Note that this is not DPI aware. This implementation has never been aware of DPI changes and
/// changing that now could cause issues with people who depended on this to be based on 96 DPI.
/// </remarks>
protected override double GetStylusPointWidthOrHeight(StylusPoint stylusPoint, bool isWidth)
{
double pixelsPerInch = DpiUtil.DefaultPixelsPerInch;
StylusPointProperty property = (isWidth ? StylusPointProperties.Width : StylusPointProperties.Height);
double value = 0d;
if (stylusPoint.HasProperty(property))
{
// Get the property value in the corresponding units
value = (double)stylusPoint.GetPropertyValue(property);
StylusPointPropertyInfo propertyInfo = stylusPoint.Description.GetPropertyInfo(property);
if (!DoubleUtil.AreClose(propertyInfo.Resolution, 0d))
{
value /= propertyInfo.Resolution;
}
else
{
value = 0;
}
// Convert the value to Inches
if (propertyInfo.Unit == StylusPointPropertyUnit.Centimeters)
{
value /= CentimetersPerInch;
}
// Convert the value to pixels
value *= pixelsPerInch;
}
return(value);
}
