BezierSegment.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / BezierSegment.cs / 1 / BezierSegment.cs
                        

                        
                            //------------------------------------------------------------------------------ 
//  Microsoft Avalon
//  Copyright (c) Microsoft Corporation, 2001
//
//  File:       BezierSegment.cs 
//-----------------------------------------------------------------------------
 
using System; 
using MS.Internal;
using MS.Internal.PresentationCore; 
using System.ComponentModel;
using System.ComponentModel.Design.Serialization;
using System.Reflection;
using System.Collections; 
using System.Text;
using System.Globalization; 
using System.Windows.Media; 
using System.Windows;
using System.Text.RegularExpressions; 
using System.Windows.Media.Composition;
using System.Windows.Media.Animation;
using System.Diagnostics;
using System.Security; 
using System.Security.Permissions;
 
using SR=MS.Internal.PresentationCore.SR; 
using SRID=MS.Internal.PresentationCore.SRID;
 
namespace System.Windows.Media
{
    /// 
    /// BezierSegment 
    /// 
    public sealed partial class BezierSegment : PathSegment 
    { 
        #region Constructors
        ///  
        ///
        /// 
        public BezierSegment() : base()
        { 
        }
 
        ///  
        ///
        ///  
        public BezierSegment(Point point1, Point point2, Point point3, bool isStroked)
        {
            Point1 = point1;
            Point2 = point2; 
            Point3 = point3;
            IsStroked = isStroked; 
        } 

        // Internal constructor supporting smooth joins between segments 
        internal BezierSegment(Point point1, Point point2, Point point3, bool isStroked, bool isSmoothJoin)
        {
            Point1 = point1;
            Point2 = point2; 
            Point3 = point3;
            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 = Point3;
 
            if (matrix.IsIdentity)
            {
                figure.Segments.Add(this);
            } 
            else
            { 
                Point pt1 = Point1; 
                pt1 *= matrix;
 
                Point pt2 = Point2;
                pt2 *= matrix;

                Point pt3 = current; 
                pt3 *= matrix;
                figure.Segments.Add(new BezierSegment(pt1, pt2, pt3, IsStroked, IsSmoothJoin)); 
            } 
        }
        #endregion 

        #region Resource

        ///  
        /// SerializeData - Serialize the contents of this Segment to the provided context.
        ///  
        internal override void SerializeData(StreamGeometryContext ctx) 
        {
            ctx.BezierTo(Point1, Point2, Point3, IsStroked, IsSmoothJoin); 
        }

        internal override bool IsCurved()
        { 
            return true;
        } 
 
        /// 
        /// 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.
        ///  
        /// 
        /// A string representation of this object. 
        ///  
        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,
                                 "C{1:" + format + "}{0}{2:" + format + "}{0}{3:" + format + "}", 
                                 separator,
                                 Point1, 
                                 Point2, 
                                 Point3
                                 ); 
        }

        #endregion
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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