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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.ComponentModel;
namespace System.Windows.Input
{
/// <summary>
/// StylusPointPropertyInfo
/// </summary>
public class StylusPointPropertyInfo : StylusPointProperty
{
/// <summary>
/// Instance data
/// </summary>
private int _min;
private int _max;
private float _resolution;
private StylusPointPropertyUnit _unit;
/// <summary>
/// For a given StylusPointProperty, instantiates a StylusPointPropertyInfo with default values
/// </summary>
/// <param name="stylusPointProperty"></param>
public StylusPointPropertyInfo(StylusPointProperty stylusPointProperty)
: base (stylusPointProperty) //base checks for null
{
StylusPointPropertyInfo info =
StylusPointPropertyInfoDefaults.GetStylusPointPropertyInfoDefault(stylusPointProperty);
_min = info.Minimum;
_max = info.Maximum;
_resolution = info.Resolution;
_unit = info.Unit;
}
/// <summary>
/// StylusPointProperty
/// </summary>
/// <param name="stylusPointProperty"></param>
/// <param name="minimum">minimum</param>
/// <param name="maximum">maximum</param>
/// <param name="unit">unit</param>
/// <param name="resolution">resolution</param>
public StylusPointPropertyInfo(StylusPointProperty stylusPointProperty, int minimum, int maximum, StylusPointPropertyUnit unit, float resolution)
: base(stylusPointProperty) //base checks for null
{
// validate unit
if (!StylusPointPropertyUnitHelper.IsDefined(unit))
{
throw new InvalidEnumArgumentException("unit", (int)unit, typeof(StylusPointPropertyUnit));
}
// validate min/max
if (maximum < minimum)
{
throw new ArgumentException(SR.Stylus_InvalidMax, "maximum");
}
// validate resolution
if (resolution < 0.0f)
{
throw new ArgumentException(SR.InvalidStylusPointPropertyInfoResolution, "resolution");
}
_min = minimum;
_max = maximum;
_resolution = resolution;
_unit = unit;
}
/// <summary>
/// Minimum
/// </summary>
public int Minimum
{
get { return _min; }
}
/// <summary>
/// Maximum
/// </summary>
public int Maximum
{
get { return _max; }
}
/// <summary>
/// Resolution
/// </summary>
public float Resolution
{
get { return _resolution; }
internal set { _resolution = value; }
}
/// <summary>
/// Unit
/// </summary>
public StylusPointPropertyUnit Unit
{
get { return _unit; }
}
/// <summary>
/// Internal helper method for comparing compat for two StylusPointPropertyInfos
/// </summary>
internal static bool AreCompatible(StylusPointPropertyInfo stylusPointPropertyInfo1, StylusPointPropertyInfo stylusPointPropertyInfo2)
{
if (stylusPointPropertyInfo1 == null || stylusPointPropertyInfo2 == null)
{
throw new ArgumentNullException("stylusPointPropertyInfo");
}
Debug.Assert(( stylusPointPropertyInfo1.Id != StylusPointPropertyIds.X &&
stylusPointPropertyInfo1.Id != StylusPointPropertyIds.Y &&
stylusPointPropertyInfo2.Id != StylusPointPropertyIds.X &&
stylusPointPropertyInfo2.Id != StylusPointPropertyIds.Y),
"Why are you checking X, Y for compatibility? They're always compatible");
//
// we only take ID and IsButton into account, we don't take metrics into account
//
return (stylusPointPropertyInfo1.Id == stylusPointPropertyInfo2.Id &&
stylusPointPropertyInfo1.IsButton == stylusPointPropertyInfo2.IsButton);
}
}
}
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