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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.
//
namespace System.Windows.Media
{
/// <summary>
/// QuadraticBezierSegment
/// </summary>
public sealed partial class QuadraticBezierSegment : PathSegment
{
#region Constructors
/// <summary>
///
/// </summary>
public QuadraticBezierSegment()
{
}
/// <summary>
///
/// </summary>
public QuadraticBezierSegment(Point point1, Point point2, bool isStroked)
{
Point1 = point1;
Point2 = point2;
IsStroked = isStroked;
}
/// <summary>
///
/// </summary>
internal QuadraticBezierSegment(Point point1, Point point2, bool isStroked, bool isSmoothJoin)
{
Point1 = point1;
Point2 = point2;
IsStroked = isStroked;
IsSmoothJoin = isSmoothJoin;
}
#endregion
#region AddToFigure
internal override void AddToFigure(
Matrix matrix, // The transformation matrid
PathFigure figure, // The figure to add to
ref Point current) // Out: Segment endpoint, not transformed
{
current = Point2;
if (matrix.IsIdentity)
{
figure.Segments.Add(this);
}
else
{
Point pt1 = Point1;
pt1 *= matrix;
Point pt2 = current;
pt2 *= matrix;
figure.Segments.Add(new QuadraticBezierSegment(pt1, pt2, IsStroked, IsSmoothJoin));
}
}
#endregion
#region Resource
/// <summary>
/// SerializeData - Serialize the contents of this Segment to the provided context.
/// </summary>
internal override void SerializeData(StreamGeometryContext ctx)
{
ctx.QuadraticBezierTo(Point1, Point2, IsStroked, IsSmoothJoin);
}
#endregion
internal override bool IsCurved()
{
return true;
}
/// <summary>
/// Creates a string representation of this object based on the format string
/// and IFormatProvider passed in.
/// If the provider is null, the CurrentCulture is used.
/// See the documentation for IFormattable for more information.
/// </summary>
/// <returns>
/// A string representation of this object.
/// </returns>
internal override string ConvertToString(string format, IFormatProvider provider)
{
// Helper to get the numeric list separator for a given culture.
char separator = MS.Internal.TokenizerHelper.GetNumericListSeparator(provider);
return String.Format(provider,
"Q{1:" + format + "}{0}{2:" + format + "}",
separator,
Point1,
Point2);
}
}
}
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