PointF.cs source code in C# .NET

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

/*************************************************************************\ 
* 
* Copyright (c) 1998-1999, Microsoft Corp.  All Rights Reserved.
* 
* Module Name:
*
*   PointF.cs
* 
* Abstract:
* 
*   Floating-point coordinate point class 
*
* Revision History: 
*
*   12/14/1998 davidx
*       Created it.
* 
\**************************************************************************/
 
namespace System.Drawing { 

    using System.Diagnostics; 

    using System.Drawing;
    using System.ComponentModel;
    using System; 
    using System.Diagnostics.CodeAnalysis;
    using System.Globalization; 
 
    /**
     * Represents a point in 2D coordinate space 
     * (float precision floating-point coordinates)
     */
    /// 
    ///  
    ///    Represents an ordered pair of x and y coordinates that
    ///    define a point in a two-dimensional plane. 
    ///  
    [Serializable]
    [System.Runtime.InteropServices.ComVisible(true)] 
    public struct PointF {


        ///  
        /// 
        ///     
        ///       Creates a new instance of the  class 
        ///       with member data left uninitialized.
        ///     
        /// 
        public static readonly PointF Empty = new PointF();
        private float x;
        private float y; 
        /**
         * Create a new Point object at the given location 
         */ 
        /// 
        ///  
        ///    
        ///       Initializes a new instance of the  class
        ///       with the specified coordinates.
        ///     
        /// 
        public PointF(float x, float y) { 
            this.x = x; 
            this.y = y;
        } 


        /// 
        ///  
        ///    
        ///       Gets a value indicating whether this  is empty. 
        ///     
        /// 
        [Browsable(false)] 
        public bool IsEmpty {
            get {
                return x == 0f && y == 0f;
            } 
        }
 
        ///  
        /// 
        ///     
        ///       Gets the x-coordinate of this .
        ///    
        /// 
        public float X { 
            get {
                return x; 
            } 
            set {
                x = value; 
            }
        }

        ///  
        /// 
        ///     
        ///       Gets the y-coordinate of this . 
        ///    
        ///  
        public float Y {
            get {
                return y;
            } 
            set {
                y = value; 
            } 
        }
 
        /// 
        /// 
        ///    
        ///       Translates a  by a given  . 
        ///    
        ///  
        public static PointF operator +(PointF pt, Size sz) { 
            return Add(pt, sz);
        } 

        /// 
        /// 
        ///     
        ///       Translates a  by the negative of a given  .
        ///     
        ///  
        public static PointF operator -(PointF pt, Size sz) {
            return Subtract(pt, sz); 
        }

        /// 
        ///     
        ///       Translates a  by a given  .
        ///     
        ///  
        public static PointF operator +(PointF pt, SizeF sz) {
            return Add(pt, sz); 
        }

        /// 
        ///     
        ///       Translates a  by the negative of a given  .
        ///     
        ///  
        public static PointF operator -(PointF pt, SizeF sz) {
            return Subtract(pt, sz); 
        }

        /// 
        ///  
        ///    
        ///       Compares two  objects. The result specifies 
        ///       whether the values of the  and  properties of the two  
        ///       objects are equal.
        ///     
        /// 
        public static bool operator ==(PointF left, PointF right) {
            return left.X == right.X && left.Y == right.Y;
        } 

        ///  
        ///  
        ///    
        ///       Compares two  objects. The result specifies whether the values 
        ///       of the  or  properties of the two
        ///    
        ///    objects are unequal.
        ///  
        /// 
        public static bool operator !=(PointF left, PointF right) { 
            return !(left == right); 
        }
 
        /// 
        ///    
        ///       Translates a  by a given  .
        ///     
        /// 
        public static PointF Add(PointF pt, Size sz) { 
            return new PointF(pt.X + sz.Width, pt.Y + sz.Height); 
        }
 
        /// 
        ///    
        ///       Translates a  by the negative of a given  .
        ///     
        /// 
        public static PointF Subtract(PointF pt, Size sz) { 
            return new PointF(pt.X - sz.Width, pt.Y - sz.Height); 
        }
 
        /// 
        ///    
        ///       Translates a  by a given  .
        ///     
        /// 
        public static PointF Add(PointF pt, SizeF sz){ 
            return new PointF(pt.X + sz.Width, pt.Y + sz.Height); 
        }
 
        /// 
        ///    
        ///       Translates a  by the negative of a given  .
        ///     
        /// 
        public static PointF Subtract(PointF pt, SizeF sz){ 
            return new PointF(pt.X - sz.Width, pt.Y - sz.Height); 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public override bool Equals(object obj) {
            if (!(obj is PointF)) return false; 
            PointF comp = (PointF)obj; 
            return
            comp.X == this.X && 
            comp.Y == this.Y &&
            comp.GetType().Equals(this.GetType());
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public override int GetHashCode() { 
            return base.GetHashCode();
        }

        ///  
        public override string ToString() {
            return string.Format(CultureInfo.CurrentCulture, "{{X={0}, Y={1}}}", x, y); 
        } 
    }
} 

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