Size.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CommonUI / System / Drawing / Size.cs / 1 / Size.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/*************************************************************************\ 
* 
* Copyright (c) 1998-1999, Microsoft Corp.  All Rights Reserved.
* 
* Module Name:
*
*   Size.cs
* 
* Abstract:
* 
*   Integer-point coordinate size class 
*
* Revision History: 
*
*   2/4/2k [....]
*       Created it.
* 
\**************************************************************************/
namespace System.Drawing { 
    using System.Runtime.Serialization.Formatters; 

    using System.Diagnostics; 

    using System;
    using System.IO;
    using Microsoft.Win32; 
    using System.ComponentModel;
    using System.Diagnostics.CodeAnalysis; 
    using System.Globalization; 

    /** 
     * Represents a dimension in 2D coordinate space
     */
    /// 
    ///  
    ///    Represents the size of a rectangular region
    ///    with an ordered pair of width and height. 
    ///  
    [
    TypeConverterAttribute(typeof(SizeConverter)), 
    ]
    [Serializable]
    [System.Runtime.InteropServices.ComVisible(true)]
    [SuppressMessage("Microsoft.Usage", "CA2225:OperatorOverloadsHaveNamedAlternates")] 
    public struct Size {
 
        ///  
        /// 
        ///    Initializes a new instance of the  class. 
        /// 
        public static readonly Size Empty = new Size();

        private int width; 
        private int height;
 
        /** 
         * Create a new Size object from a point
         */ 
        /// 
        /// 
        ///    
        ///       Initializes a new instance of the  class from 
        ///       the specified .
        ///     
        ///  
        public Size(Point pt) {
            width = pt.X; 
            height = pt.Y;
        }

        /** 
         * Create a new Size object of the specified dimension
         */ 
        ///  
        /// 
        ///    Initializes a new instance of the  class from 
        ///    the specified dimensions.
        /// 
        public Size(int width, int height) {
            this.width = width; 
            this.height = height;
        } 
 
        /// 
        ///  
        ///    Converts the specified  to a
        /// .
        /// 
        public static implicit operator SizeF(Size p) { 
            return new SizeF(p.Width, p.Height);
        } 
 
        /// 
        ///  
        ///    
        ///       Performs vector addition of two  objects.
        ///    
        ///  
        public static Size operator +(Size sz1, Size sz2) {
            return Add(sz1, sz2); 
        } 

        ///  
        /// 
        ///    
        ///       Contracts a  by another 
        ///       . 
        ///    
        ///  
        public static Size operator -(Size sz1, Size sz2) { 
            return Subtract(sz1, sz2);
        } 

        /// 
        /// 
        ///    Tests whether two  objects 
        ///    are identical.
        ///  
        public static bool operator ==(Size sz1, Size sz2) { 
            return sz1.Width == sz2.Width && sz1.Height == sz2.Height;
        } 

        /// 
        /// 
        ///     
        ///       Tests whether two  objects are different.
        ///     
        ///  
        public static bool operator !=(Size sz1, Size sz2) {
            return !(sz1 == sz2); 
        }

        /// 
        ///  
        ///    Converts the specified  to a
        /// . 
        ///  
        public static explicit operator Point(Size size) {
            return new Point(size.Width, size.Height); 
        }

        /// 
        ///  
        ///    Tests whether this  has zero
        ///    width and height. 
        ///  
        [Browsable(false)]
        public bool IsEmpty { 
            get {
                return width == 0 && height == 0;
            }
        } 

        /** 
         * Horizontal dimension 
         */
        ///  
        /// 
        ///    
        ///       Represents the horizontal component of this
        ///    . 
        ///    
        ///  
        public int Width { 
            get {
                return width; 
            }
            set {
                width = value;
            } 
        }
 
        /** 
         * Vertical dimension
         */ 
        /// 
        /// 
        ///    Represents the vertical component of this
        /// . 
        /// 
        public int Height { 
            get { 
                return height;
            } 
            set {
                height = value;
            }
        } 

        ///  
        ///     
        ///       Performs vector addition of two  objects.
        ///     
        /// 
        public static Size Add(Size sz1, Size sz2) {
            return new Size(sz1.Width + sz2.Width, sz1.Height + sz2.Height);
        } 

        ///  
        ///  
        ///   Converts a SizeF to a Size by performing a ceiling operation on
        ///   all the coordinates. 
        /// 
        public static Size Ceiling(SizeF value) {
            return new Size((int)Math.Ceiling(value.Width), (int)Math.Ceiling(value.Height));
        } 

        ///  
        ///     
        ///       Contracts a  by another  .
        ///     
        /// 
        public static Size Subtract(Size sz1, Size sz2) {
            return new Size(sz1.Width - sz2.Width, sz1.Height - sz2.Height);
        } 

        ///  
        ///  
        ///   Converts a SizeF to a Size by performing a truncate operation on
        ///   all the coordinates. 
        /// 
        public static Size Truncate(SizeF value) {
            return new Size((int)value.Width, (int)value.Height);
        } 

        ///  
        ///  
        ///   Converts a SizeF to a Size by performing a round operation on
        ///   all the coordinates. 
        /// 
        public static Size Round(SizeF value) {
            return new Size((int)Math.Round(value.Width), (int)Math.Round(value.Height));
        } 

        ///  
        ///  
        ///    
        ///       Tests to see whether the specified object is a 
        ///    
        ///    with the same dimensions as this .
        /// 
        ///  
        public override bool Equals(object obj) {
            if (!(obj is Size)) 
                return false; 

            Size comp = (Size)obj; 
            // Note value types can't have derived classes, so we don't need to
            // check the types of the objects here.  -- [....], 2/21/2001
            return (comp.width == this.width) &&
                   (comp.height == this.height); 
        }
 
        ///  
        /// 
        ///     
        ///       Returns a hash code.
        ///    
        /// 
        public override int GetHashCode() { 
            return width ^ height;
        } 
 
        /// 
        ///  
        ///    
        ///       Creates a human-readable string that represents this
        ///    .
        ///     
        /// 
        public override string ToString() { 
            return "{Width=" + width.ToString(CultureInfo.CurrentCulture) + ", Height=" + height.ToString(CultureInfo.CurrentCulture) + "}"; 
        }
    } 

}

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