StrokeFIndices.cs source code in C# .NET

                        Code:
                         / Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / MS / Internal / Ink / StrokeFIndices.cs / 1 / StrokeFIndices.cs
                        
                        
                            //------------------------------------------------------------------------ 
// 
// Copyright (c) Microsoft Corporation. All rights reserved.
// 
//----------------------------------------------------------------------- 
using MS.Utility;
using MS.Internal; 
using System; 
using System.Windows;
using System.Collections.Generic; 
using System.Globalization;

using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID; 

namespace MS.Internal.Ink 
{ 
    #region StrokeFIndices
 
    /// 
    /// A helper struct that represents a fragment of a stroke spine.
    /// 
    internal struct StrokeFIndices : IEquatable 
    {
 
        #region Private statics 
        private static StrokeFIndices s_empty = new StrokeFIndices(AfterLast, BeforeFirst);
        private static StrokeFIndices s_full = new StrokeFIndices(BeforeFirst, AfterLast); 
        #endregion

        #region Internal API
 
        /// 
        /// BeforeFirst 
        ///  
        /// 
        internal static double BeforeFirst { get { return double.MinValue; } } 

        /// 
        /// AfterLast
        ///  
        /// 
        internal static double AfterLast { get { return double.MaxValue; } } 
 
        /// 
        /// StrokeFIndices 
        /// 
        /// beginFIndex
        /// endFIndex
        internal StrokeFIndices(double beginFIndex, double endFIndex) 
        {
            _beginFIndex = beginFIndex; 
            _endFIndex = endFIndex; 
        }
 
        /// 
        /// BeginFIndex
        /// 
        ///  
        internal double BeginFIndex
        { 
            get { return _beginFIndex; } 
            set { _beginFIndex = value; }
        } 

        /// 
        /// EndFIndex
        ///  
        /// 
        internal double EndFIndex 
        { 
            get { return _endFIndex; }
            set { _endFIndex = value;} 
        }

        /// 
        /// ToString 
        /// 
        public override string ToString() 
        { 
            return "{" + GetStringRepresentation(_beginFIndex) + "," + GetStringRepresentation(_endFIndex) + "}";
 		} 

        /// 
        /// Equals
        ///  
        /// 
        ///  
        public bool Equals(StrokeFIndices strokeFIndices) 
        {
            return (strokeFIndices == this); 
        }

        /// 
        /// Equals 
        /// 
        ///  
        ///  
        public override bool Equals(Object obj)
        { 
            // Check for null and compare run-time types
            if (obj == null || GetType() != obj.GetType())
                return false;
            return ((StrokeFIndices)obj == this); 
        }
 
        ///  
        /// GetHashCode
        ///  
        /// 
        public override int GetHashCode()
        {
            return _beginFIndex.GetHashCode() ^ _endFIndex.GetHashCode(); 
        }
 
        ///  
        /// operator ==
        ///  
        /// 
        /// 
        /// 
        public static bool operator ==(StrokeFIndices sfiLeft, StrokeFIndices sfiRight) 
        {
            return (DoubleUtil.AreClose(sfiLeft._beginFIndex, sfiRight._beginFIndex) 
                    && DoubleUtil.AreClose(sfiLeft._endFIndex, sfiRight._endFIndex)); 
        }
 
        /// 
        /// operator !=
        /// 
        ///  
        /// 
        ///  
        public static bool operator !=(StrokeFIndices sfiLeft, StrokeFIndices sfiRight) 
        {
            return !(sfiLeft == sfiRight); 
        }

        internal static string GetStringRepresentation(double fIndex)
        { 
            if (DoubleUtil.AreClose(fIndex, StrokeFIndices.BeforeFirst))
            { 
                return "BeforeFirst"; 
            }
            if (DoubleUtil.AreClose(fIndex, StrokeFIndices.AfterLast)) 
            {
                return "AfterLast";
            }
            return fIndex.ToString(CultureInfo.InvariantCulture); 
        }
 
        ///  
        ///
        ///  
        internal static StrokeFIndices Empty { get { return s_empty; } }

        /// 
        /// 
        /// 
        internal static StrokeFIndices Full { get { return s_full; } } 
 
        /// 
        /// 
        /// 
        internal bool IsEmpty { get { return DoubleUtil.GreaterThanOrClose(_beginFIndex, _endFIndex); } }

        ///  
        ///
        ///  
        internal bool IsFull { get { return ((DoubleUtil.AreClose(_beginFIndex, BeforeFirst)) && (DoubleUtil.AreClose(_endFIndex,AfterLast))); } } 

 
#if DEBUG
        /// 
        ///
        ///  
        private bool IsValid { get { return !double.IsNaN(_beginFIndex) && !double.IsNaN(_endFIndex) && _beginFIndex < _endFIndex; } }
 
#endif 

        ///  
        /// Compare StrokeFIndices based on the BeinFIndex
        /// 
        /// 
        ///  
        internal int CompareTo(StrokeFIndices fIndices)
        { 
#if DEBUG 
            System.Diagnostics.Debug.Assert(!double.IsNaN(_beginFIndex) && !double.IsNaN(_endFIndex) && DoubleUtil.LessThan(_beginFIndex, _endFIndex));
#endif 
            if (DoubleUtil.AreClose(BeginFIndex, fIndices.BeginFIndex))
            {
                return 0;
            } 
            else if (DoubleUtil.GreaterThan(BeginFIndex, fIndices.BeginFIndex))
            { 
                return 1; 
            }
            else 
            {
                return -1;
            }
        } 

        #endregion 
 
        #region  Fields
 
        private double _beginFIndex;
        private double _endFIndex;

        #endregion 
    }
 
    #endregion 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------ 
// 
// Copyright (c) Microsoft Corporation. All rights reserved.
// 
//----------------------------------------------------------------------- 
using MS.Utility;
using MS.Internal; 
using System; 
using System.Windows;
using System.Collections.Generic; 
using System.Globalization;

using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID; 

namespace MS.Internal.Ink 
{ 
    #region StrokeFIndices
 
    /// 
    /// A helper struct that represents a fragment of a stroke spine.
    /// 
    internal struct StrokeFIndices : IEquatable 
    {
 
        #region Private statics 
        private static StrokeFIndices s_empty = new StrokeFIndices(AfterLast, BeforeFirst);
        private static StrokeFIndices s_full = new StrokeFIndices(BeforeFirst, AfterLast); 
        #endregion

        #region Internal API
 
        /// 
        /// BeforeFirst 
        ///  
        /// 
        internal static double BeforeFirst { get { return double.MinValue; } } 

        /// 
        /// AfterLast
        ///  
        /// 
        internal static double AfterLast { get { return double.MaxValue; } } 
 
        /// 
        /// StrokeFIndices 
        /// 
        /// beginFIndex
        /// endFIndex
        internal StrokeFIndices(double beginFIndex, double endFIndex) 
        {
            _beginFIndex = beginFIndex; 
            _endFIndex = endFIndex; 
        }
 
        /// 
        /// BeginFIndex
        /// 
        ///  
        internal double BeginFIndex
        { 
            get { return _beginFIndex; } 
            set { _beginFIndex = value; }
        } 

        /// 
        /// EndFIndex
        ///  
        /// 
        internal double EndFIndex 
        { 
            get { return _endFIndex; }
            set { _endFIndex = value;} 
        }

        /// 
        /// ToString 
        /// 
        public override string ToString() 
        { 
            return "{" + GetStringRepresentation(_beginFIndex) + "," + GetStringRepresentation(_endFIndex) + "}";
 		} 

        /// 
        /// Equals
        ///  
        /// 
        ///  
        public bool Equals(StrokeFIndices strokeFIndices) 
        {
            return (strokeFIndices == this); 
        }

        /// 
        /// Equals 
        /// 
        ///  
        ///  
        public override bool Equals(Object obj)
        { 
            // Check for null and compare run-time types
            if (obj == null || GetType() != obj.GetType())
                return false;
            return ((StrokeFIndices)obj == this); 
        }
 
        ///  
        /// GetHashCode
        ///  
        /// 
        public override int GetHashCode()
        {
            return _beginFIndex.GetHashCode() ^ _endFIndex.GetHashCode(); 
        }
 
        ///  
        /// operator ==
        ///  
        /// 
        /// 
        /// 
        public static bool operator ==(StrokeFIndices sfiLeft, StrokeFIndices sfiRight) 
        {
            return (DoubleUtil.AreClose(sfiLeft._beginFIndex, sfiRight._beginFIndex) 
                    && DoubleUtil.AreClose(sfiLeft._endFIndex, sfiRight._endFIndex)); 
        }
 
        /// 
        /// operator !=
        /// 
        ///  
        /// 
        ///  
        public static bool operator !=(StrokeFIndices sfiLeft, StrokeFIndices sfiRight) 
        {
            return !(sfiLeft == sfiRight); 
        }

        internal static string GetStringRepresentation(double fIndex)
        { 
            if (DoubleUtil.AreClose(fIndex, StrokeFIndices.BeforeFirst))
            { 
                return "BeforeFirst"; 
            }
            if (DoubleUtil.AreClose(fIndex, StrokeFIndices.AfterLast)) 
            {
                return "AfterLast";
            }
            return fIndex.ToString(CultureInfo.InvariantCulture); 
        }
 
        ///  
        ///
        ///  
        internal static StrokeFIndices Empty { get { return s_empty; } }

        /// 
        /// 
        /// 
        internal static StrokeFIndices Full { get { return s_full; } } 
 
        /// 
        /// 
        /// 
        internal bool IsEmpty { get { return DoubleUtil.GreaterThanOrClose(_beginFIndex, _endFIndex); } }

        ///  
        ///
        ///  
        internal bool IsFull { get { return ((DoubleUtil.AreClose(_beginFIndex, BeforeFirst)) && (DoubleUtil.AreClose(_endFIndex,AfterLast))); } } 

 
#if DEBUG
        /// 
        ///
        ///  
        private bool IsValid { get { return !double.IsNaN(_beginFIndex) && !double.IsNaN(_endFIndex) && _beginFIndex < _endFIndex; } }
 
#endif 

        ///  
        /// Compare StrokeFIndices based on the BeinFIndex
        /// 
        /// 
        ///  
        internal int CompareTo(StrokeFIndices fIndices)
        { 
#if DEBUG 
            System.Diagnostics.Debug.Assert(!double.IsNaN(_beginFIndex) && !double.IsNaN(_endFIndex) && DoubleUtil.LessThan(_beginFIndex, _endFIndex));
#endif 
            if (DoubleUtil.AreClose(BeginFIndex, fIndices.BeginFIndex))
            {
                return 0;
            } 
            else if (DoubleUtil.GreaterThan(BeginFIndex, fIndices.BeginFIndex))
            { 
                return 1; 
            }
            else 
            {
                return -1;
            }
        } 

        #endregion 
 
        #region  Fields
 
        private double _beginFIndex;
        private double _endFIndex;

        #endregion 
    }
 
    #endregion 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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