PointCollection.cs source code in C# .NET

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Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / Generated / PointCollection.cs / 1305600 / PointCollection.cs

                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// This file was generated, please do not edit it directly. 
// 
// Please see http://wiki/default.aspx/Microsoft.Projects.Avalon/MilCodeGen.html for more information.
// 
//---------------------------------------------------------------------------

using MS.Internal;
using MS.Internal.KnownBoxes; 
using MS.Internal.Collections;
using MS.Internal.PresentationCore; 
using MS.Utility; 
using System;
using System.Collections; 
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization; 
using System.Reflection;
using System.Runtime.InteropServices; 
using System.ComponentModel.Design.Serialization; 
using System.Text;
using System.Windows; 
using System.Windows.Media;
using System.Windows.Media.Effects;
using System.Windows.Media.Media3D;
using System.Windows.Media.Animation; 
using System.Windows.Media.Composition;
using System.Windows.Media.Imaging; 
using System.Windows.Markup; 
using System.Windows.Media.Converters;
using System.Security; 
using System.Security.Permissions;
using SR=MS.Internal.PresentationCore.SR;
using SRID=MS.Internal.PresentationCore.SRID;
// These types are aliased to match the unamanaged names used in interop 
using BOOL = System.UInt32;
using WORD = System.UInt16; 
using Float = System.Single; 

namespace System.Windows.Media 
{
    /// 
    /// A collection of Points.
    ///  

    [TypeConverter(typeof(PointCollectionConverter))] 
    [ValueSerializer(typeof(PointCollectionValueSerializer))] // Used by MarkupWriter 
    public sealed partial class PointCollection : Freezable, IFormattable, IList, IList
    { 
        //-----------------------------------------------------
        //
        //  Public Methods
        // 
        //-----------------------------------------------------
 
        #region Public Methods 

        ///  
        ///     Shadows inherited Clone() with a strongly typed
        ///     version for convenience.
        /// 
        public new PointCollection Clone() 
        {
            return (PointCollection)base.Clone(); 
        } 

        ///  
        ///     Shadows inherited CloneCurrentValue() with a strongly typed
        ///     version for convenience.
        /// 
        public new PointCollection CloneCurrentValue() 
        {
            return (PointCollection)base.CloneCurrentValue(); 
        } 

 


        #endregion Public Methods
 
        //------------------------------------------------------
        // 
        //  Public Properties 
        //
        //----------------------------------------------------- 


        #region IList
 
        /// 
        ///     Adds "value" to the list 
        ///  
        public void Add(Point value)
        { 
            AddHelper(value);
        }

        ///  
        ///     Removes all elements from the list
        ///  
        public void Clear() 
        {
            WritePreamble(); 

            _collection.Clear();

            ++_version; 
            WritePostscript();
        } 
 
        /// 
        ///     Determines if the list contains "value" 
        /// 
        public bool Contains(Point value)
        {
            ReadPreamble(); 

            return _collection.Contains(value); 
        } 

        ///  
        ///     Returns the index of "value" in the list
        /// 
        public int IndexOf(Point value)
        { 
            ReadPreamble();
 
            return _collection.IndexOf(value); 
        }
 
        /// 
        ///     Inserts "value" into the list at the specified position
        /// 
        public void Insert(int index, Point value) 
        {
 
 
            WritePreamble();
            _collection.Insert(index, value); 


            ++_version;
            WritePostscript(); 
        }
 
        ///  
        ///     Removes "value" from the list
        ///  
        public bool Remove(Point value)
        {
            WritePreamble();
            int index = IndexOf(value); 
            if (index >= 0)
            { 
                // we already have index from IndexOf so instead of using Remove, 
                // which will search the collection a second time, we'll use RemoveAt
                _collection.RemoveAt(index); 

                ++_version;
                WritePostscript();
 
                return true;
            } 
 
            // Collection_Remove returns true, calls WritePostscript,
            // increments version, and does UpdateResource if it succeeds 

            return false;
        }
 
        /// 
        ///     Removes the element at the specified index 
        ///  
        public void RemoveAt(int index)
        { 
            RemoveAtWithoutFiringPublicEvents(index);

            // RemoveAtWithoutFiringPublicEvents incremented the version
 
            WritePostscript();
        } 
 

        ///  
        ///     Removes the element at the specified index without firing
        ///     the public Changed event.
        ///     The caller - typically a public method - is responsible for calling
        ///     WritePostscript if appropriate. 
        /// 
        internal void RemoveAtWithoutFiringPublicEvents(int index) 
        { 
            WritePreamble();
            _collection.RemoveAt(index); 


            ++_version;
 
            // No WritePostScript to avoid firing the Changed event.
        } 
 

        ///  
        ///     Indexer for the collection
        /// 
        public Point this[int index]
        { 
            get
            { 
                ReadPreamble(); 

                return _collection[index]; 
            }
            set
            {
 

                WritePreamble(); 
                _collection[ index ] = value; 

 
                ++_version;
                WritePostscript();
            }
        } 

        #endregion 
 
        #region ICollection
 
        /// 
        ///     The number of elements contained in the collection.
        /// 
        public int Count 
        {
            get 
            { 
                ReadPreamble();
 
                return _collection.Count;
            }
        }
 
        /// 
        ///     Copies the elements of the collection into "array" starting at "index" 
        ///  
        public void CopyTo(Point[] array, int index)
        { 
            ReadPreamble();

            if (array == null)
            { 
                throw new ArgumentNullException("array");
            } 
 
            // This will not throw in the case that we are copying
            // from an empty collection.  This is consistent with the 
            // BCL Collection implementations. (Windows 1587365)
            if (index < 0  || (index + _collection.Count) > array.Length)
            {
                throw new ArgumentOutOfRangeException("index"); 
            }
 
            _collection.CopyTo(array, index); 
        }
 
        bool ICollection.IsReadOnly
        {
            get
            { 
                ReadPreamble();
 
                return IsFrozen; 
            }
        } 

        #endregion

        #region IEnumerable 

        ///  
        /// Returns an enumerator for the collection 
        /// 
        public Enumerator GetEnumerator() 
        {
            ReadPreamble();

            return new Enumerator(this); 
        }
 
        IEnumerator IEnumerable.GetEnumerator() 
        {
            return this.GetEnumerator(); 
        }

        #endregion
 
        #region IList
 
        bool IList.IsReadOnly 
        {
            get 
            {
                return ((ICollection)this).IsReadOnly;
            }
        } 

        bool IList.IsFixedSize 
        { 
            get
            { 
                ReadPreamble();

                return IsFrozen;
            } 
        }
 
        object IList.this[int index] 
        {
            get 
            {
                return this[index];
            }
            set 
            {
                // Forwards to typed implementation 
                this[index] = Cast(value); 
            }
        } 

        int IList.Add(object value)
        {
            // Forward to typed helper 
            return AddHelper(Cast(value));
        } 
 
        bool IList.Contains(object value)
        { 
            if (value is Point)
            {
                return Contains((Point)value);
            } 

            return false; 
        } 

        int IList.IndexOf(object value) 
        {
            if (value is Point)
            {
                return IndexOf((Point)value); 
            }
 
            return -1; 
        }
 
        void IList.Insert(int index, object value)
        {
            // Forward to IList Insert
            Insert(index, Cast(value)); 
        }
 
        void IList.Remove(object value) 
        {
            if (value is Point) 
            {
                Remove((Point)value);
            }
        } 

        #endregion 
 
        #region ICollection
 
        void ICollection.CopyTo(Array array, int index)
        {
            ReadPreamble();
 
            if (array == null)
            { 
                throw new ArgumentNullException("array"); 
            }
 
            // This will not throw in the case that we are copying
            // from an empty collection.  This is consistent with the
            // BCL Collection implementations. (Windows 1587365)
            if (index < 0  || (index + _collection.Count) > array.Length) 
            {
                throw new ArgumentOutOfRangeException("index"); 
            } 

            if (array.Rank != 1) 
            {
                throw new ArgumentException(SR.Get(SRID.Collection_BadRank));
            }
 
            // Elsewhere in the collection we throw an AE when the type is
            // bad so we do it here as well to be consistent 
            try 
            {
                int count = _collection.Count; 
                for (int i = 0; i < count; i++)
                {
                    array.SetValue(_collection[i], index + i);
                } 
            }
            catch (InvalidCastException e) 
            { 
                throw new ArgumentException(SR.Get(SRID.Collection_BadDestArray, this.GetType().Name), e);
            } 
        }

        bool ICollection.IsSynchronized
        { 
            get
            { 
                ReadPreamble(); 

                return IsFrozen || Dispatcher != null; 
            }
        }

        object ICollection.SyncRoot 
        {
            get 
            { 
                ReadPreamble();
                return this; 
            }
        }
        #endregion
 
        #region IEnumerable
 
        IEnumerator IEnumerable.GetEnumerator() 
        {
            return this.GetEnumerator(); 
        }

        #endregion
 
        #region Internal Helpers
 
        ///  
        /// A frozen empty PointCollection.
        ///  
        internal static PointCollection Empty
        {
            get
            { 
                if (s_empty == null)
                { 
                    PointCollection collection = new PointCollection(); 
                    collection.Freeze();
                    s_empty = collection; 
                }

                return s_empty;
            } 
        }
 
        ///  
        /// Helper to return read only access.
        ///  
        internal Point Internal_GetItem(int i)
        {
            return _collection[i];
        } 

 
 
        #endregion
 
        #region Private Helpers

        private Point Cast(object value)
        { 
            if( value == null )
            { 
                throw new System.ArgumentNullException("value"); 
            }
 
            if (!(value is Point))
            {
                throw new System.ArgumentException(SR.Get(SRID.Collection_BadType, this.GetType().Name, value.GetType().Name, "Point"));
            } 

            return (Point) value; 
        } 

        // IList.Add returns int and IList.Add does not. This 
        // is called by both Adds and IList's just ignores the
        // integer
        private int AddHelper(Point value)
        { 
            int index = AddWithoutFiringPublicEvents(value);
 
            // AddAtWithoutFiringPublicEvents incremented the version 

            WritePostscript(); 

            return index;
        }
 
        internal int AddWithoutFiringPublicEvents(Point value)
        { 
            int index = -1; 

 
            WritePreamble();
            index = _collection.Add(value);

 
            ++_version;
 
            // No WritePostScript to avoid firing the Changed event. 

            return index; 
        }


 
        #endregion Private Helpers
 
        private static PointCollection s_empty; 

 
        #region Public Properties


 
        #endregion Public Properties
 
        //------------------------------------------------------ 
        //
        //  Protected Methods 
        //
        //------------------------------------------------------

        #region Protected Methods 

        ///  
        /// Implementation of Freezable.CreateInstanceCore. 
        /// 
        /// The new Freezable. 
        protected override Freezable CreateInstanceCore()
        {
            return new PointCollection();
        } 
        /// 
        /// Implementation of Freezable.CloneCore() 
        ///  
        protected override void CloneCore(Freezable source)
        { 
            PointCollection sourcePointCollection = (PointCollection) source;

            base.CloneCore(source);
 
            int count = sourcePointCollection._collection.Count;
 
            _collection = new FrugalStructList(count); 

            for (int i = 0; i < count; i++) 
            {
                _collection.Add(sourcePointCollection._collection[i]);
            }
 
        }
        ///  
        /// Implementation of Freezable.CloneCurrentValueCore() 
        /// 
        protected override void CloneCurrentValueCore(Freezable source) 
        {
            PointCollection sourcePointCollection = (PointCollection) source;

            base.CloneCurrentValueCore(source); 

            int count = sourcePointCollection._collection.Count; 
 
            _collection = new FrugalStructList(count);
 
            for (int i = 0; i < count; i++)
            {
                _collection.Add(sourcePointCollection._collection[i]);
            } 

        } 
        ///  
        /// Implementation of Freezable.GetAsFrozenCore()
        ///  
        protected override void GetAsFrozenCore(Freezable source)
        {
            PointCollection sourcePointCollection = (PointCollection) source;
 
            base.GetAsFrozenCore(source);
 
            int count = sourcePointCollection._collection.Count; 

            _collection = new FrugalStructList(count); 

            for (int i = 0; i < count; i++)
            {
                _collection.Add(sourcePointCollection._collection[i]); 
            }
 
        } 
        /// 
        /// Implementation of Freezable.GetCurrentValueAsFrozenCore() 
        /// 
        protected override void GetCurrentValueAsFrozenCore(Freezable source)
        {
            PointCollection sourcePointCollection = (PointCollection) source; 

            base.GetCurrentValueAsFrozenCore(source); 
 
            int count = sourcePointCollection._collection.Count;
 
            _collection = new FrugalStructList(count);

            for (int i = 0; i < count; i++)
            { 
                _collection.Add(sourcePointCollection._collection[i]);
            } 
 
        }
 

        #endregion ProtectedMethods

        //----------------------------------------------------- 
        //
        //  Internal Methods 
        // 
        //------------------------------------------------------
 
        #region Internal Methods


 

 
 

 

        #endregion Internal Methods

        //----------------------------------------------------- 
        //
        //  Internal Properties 
        // 
        //-----------------------------------------------------
 
        #region Internal Properties


        ///  
        /// Creates a string representation of this object based on the current culture.
        ///  
        ///  
        /// A string representation of this object.
        ///  
        public override string ToString()
        {
            ReadPreamble();
            // Delegate to the internal method which implements all ToString calls. 
            return ConvertToString(null /* format string */, null /* format provider */);
        } 
 
        /// 
        /// Creates a string representation of this object based on the IFormatProvider 
        /// passed in.  If the provider is null, the CurrentCulture is used.
        /// 
        /// 
        /// A string representation of this object. 
        /// 
        public string ToString(IFormatProvider provider) 
        { 
            ReadPreamble();
            // Delegate to the internal method which implements all ToString calls. 
            return ConvertToString(null /* format string */, provider);
        }

        ///  
        /// 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.
        /// 
        string IFormattable.ToString(string format, IFormatProvider provider) 
        {
            ReadPreamble(); 
            // Delegate to the internal method which implements all ToString calls. 
            return ConvertToString(format, provider);
        } 

        /// 
        /// 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 string ConvertToString(string format, IFormatProvider provider)
        {
 
            if (_collection.Count == 0)
            { 
                return String.Empty; 
            }
 
            StringBuilder str = new StringBuilder();

            // Consider using this separator
            // Helper to get the numeric list separator for a given culture. 
            // char separator = MS.Internal.TokenizerHelper.GetNumericListSeparator(provider);
 
            for (int i=0; i<_collection.Count; i++) 
            {
                str.AppendFormat( 
                    provider,
                    "{0:" + format + "}",
                    _collection[i]);
 
                if (i != _collection.Count-1)
                { 
                    str.Append(" "); 
                }
            } 

            return str.ToString();
        }
        ///  
        /// Parse - returns an instance converted from the provided string
        /// using the current culture 
        ///  string with PointCollection data  
        /// 
        public static PointCollection Parse(string source) 
        {
            IFormatProvider formatProvider = System.Windows.Markup.TypeConverterHelper.InvariantEnglishUS;

            TokenizerHelper th = new TokenizerHelper(source, formatProvider); 
            PointCollection resource = new PointCollection();
 
            Point value; 

            while (th.NextToken()) 
            {
                value = new Point(
                    Convert.ToDouble(th.GetCurrentToken(), formatProvider),
                    Convert.ToDouble(th.NextTokenRequired(), formatProvider)); 

                resource.Add(value); 
            } 

            return resource; 
        }

        #endregion Internal Properties
 
        //-----------------------------------------------------
        // 
        //  Dependency Properties 
        //
        //------------------------------------------------------ 

        #region Dependency Properties

 

        #endregion Dependency Properties 
 
        //-----------------------------------------------------
        // 
        //  Internal Fields
        //
        //------------------------------------------------------
 
        #region Internal Fields
 
 

 
        internal FrugalStructList _collection;
        internal uint _version = 0;

 
        #endregion Internal Fields
 
        #region Enumerator 
        /// 
        /// Enumerates the items in a PointCollection 
        /// 
        public struct Enumerator : IEnumerator, IEnumerator
        {
            #region Constructor 

            internal Enumerator(PointCollection list) 
            { 
                Debug.Assert(list != null, "list may not be null.");
 
                _list = list;
                _version = list._version;
                _index = -1;
                _current = default(Point); 
            }
 
            #endregion 

            #region Methods 

            void IDisposable.Dispose()
            {
 
            }
 
            ///  
            /// Advances the enumerator to the next element of the collection.
            ///  
            /// 
            /// true if the enumerator was successfully advanced to the next element,
            /// false if the enumerator has passed the end of the collection.
            ///  
            public bool MoveNext()
            { 
                _list.ReadPreamble(); 

                if (_version == _list._version) 
                {
                    if (_index > -2 && _index < _list._collection.Count - 1)
                    {
                        _current = _list._collection[++_index]; 
                        return true;
                    } 
                    else 
                    {
                        _index = -2; // -2 indicates "past the end" 
                        return false;
                    }
                }
                else 
                {
                    throw new InvalidOperationException(SR.Get(SRID.Enumerator_CollectionChanged)); 
                } 
            }
 
            /// 
            /// Sets the enumerator to its initial position, which is before the
            /// first element in the collection.
            ///  
            public void Reset()
            { 
                _list.ReadPreamble(); 

                if (_version == _list._version) 
                {
                    _index = -1;
                }
                else 
                {
                    throw new InvalidOperationException(SR.Get(SRID.Enumerator_CollectionChanged)); 
                } 
            }
 
            #endregion

            #region Properties
 
            object IEnumerator.Current
            { 
                get 
                {
                    return this.Current; 
                }
            }

            ///  
            /// Current element
            /// 
            /// The behavior of IEnumerable<T>.Current is undefined 
            /// before the first MoveNext and after we have walked
            /// off the end of the list. However, the IEnumerable.Current 
            /// contract requires that we throw exceptions
            /// 
            public Point Current
            { 
                get
                { 
                    if (_index > -1) 
                    {
                        return _current; 
                    }
                    else if (_index == -1)
                    {
                        throw new InvalidOperationException(SR.Get(SRID.Enumerator_NotStarted)); 
                    }
                    else 
                    { 
                        Debug.Assert(_index == -2, "expected -2, got " + _index + "\n");
                        throw new InvalidOperationException(SR.Get(SRID.Enumerator_ReachedEnd)); 
                    }
                }
            }
 
            #endregion
 
            #region Data 
            private Point _current;
            private PointCollection _list; 
            private uint _version;
            private int _index;
            #endregion
        } 
        #endregion
 
        #region Constructors 

        //------------------------------------------------------ 
        //
        //  Constructors
        //
        //----------------------------------------------------- 

 
        ///  
        /// Initializes a new instance that is empty.
        ///  
        public PointCollection()
        {
            _collection = new FrugalStructList();
        } 

        ///  
        /// Initializes a new instance that is empty and has the specified initial capacity. 
        /// 
        ///  int - The number of elements that the new list is initially capable of storing.  
        public PointCollection(int capacity)
        {
            _collection = new FrugalStructList(capacity);
        } 

        ///  
        /// Creates a PointCollection with all of the same elements as collection 
        /// 
        public PointCollection(IEnumerable collection) 
        {
            // The WritePreamble and WritePostscript aren't technically necessary
            // in the constructor as of 1/20/05 but they are put here in case
            // their behavior changes at a later date 

            WritePreamble(); 
 
            if (collection != null)
            { 

                ICollection icollectionOfT = collection as ICollection;

                if (icollectionOfT != null) 
                {
                    _collection = new FrugalStructList(icollectionOfT); 
                } 
                else
                { 
                    ICollection icollection = collection as ICollection;

                    if (icollection != null) // an IC but not and IC
                    { 
                        _collection = new FrugalStructList(icollection);
                    } 
                    else // not a IC or IC so fall back to the slower Add 
                    {
                        _collection = new FrugalStructList(); 

                        foreach (Point item in collection)
                        {
 
                            _collection.Add(item);
                        } 
 

                    } 
                }


 

 
 

                WritePostscript(); 
            }
            else
            {
                throw new ArgumentNullException("collection"); 
            }
        } 
 
        #endregion Constructors
 
    }
}

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

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