235 lines
7.8 KiB
C#
235 lines
7.8 KiB
C#
#region License
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//
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// The Open Toolkit Library License
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//
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// Copyright (c) 2006 - 2009 the Open Toolkit library.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do
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// so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace OpenTK
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{
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#if NO_SYSDRAWING
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/// <summary>
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/// Defines a point on a two-dimensional plane.
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/// </summary>
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public struct Point : IEquatable<Point>
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{
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#region Fields
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int x, y;
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#endregion
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#region Constructors
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/// <summary>
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/// Constructs a new Point instance.
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/// </summary>
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/// <param name="x">The X coordinate of this instance.</param>
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/// <param name="y">The Y coordinate of this instance.</param>
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public Point(int x, int y)
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: this()
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{
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X = x;
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Y = y;
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}
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#endregion
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#region Public Members
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/// <summary>
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/// Gets a <see cref="System.Boolean"/> that indicates whether this instance is empty or zero.
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/// </summary>
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public bool IsEmpty { get { return X == 0 && Y == 0; } }
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/// <summary>
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/// Gets or sets the X coordinate of this instance.
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/// </summary>
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public int X { get { return x; } set { x = value; } }
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/// <summary>
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/// Gets or sets the Y coordinate of this instance.
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/// </summary>
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public int Y { get { return y; } set { y = value; } }
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/// <summary>
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/// Returns the Point (0, 0).
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/// </summary>
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public static readonly Point Zero = new Point();
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/// <summary>
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/// Returns the Point (0, 0).
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/// </summary>
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public static readonly Point Empty = new Point();
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/// <summary>
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/// Translates the specified Point by the specified Size.
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/// </summary>
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/// <param name="point">
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/// The <see cref="Point"/> instance to translate.
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/// </param>
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/// <param name="size">
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/// The <see cref="Size"/> instance to translate point with.
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/// </param>
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/// <returns>
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/// A new <see cref="Point"/> instance translated by size.
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/// </returns>
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public static Point operator +(Point point, Size size)
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{
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return new Point(point.X + size.Width, point.Y + size.Height);
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}
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/// <summary>
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/// Translates the specified Point by the negative of the specified Size.
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/// </summary>
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/// <param name="point">
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/// The <see cref="Point"/> instance to translate.
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/// </param>
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/// <param name="size">
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/// The <see cref="Size"/> instance to translate point with.
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/// </param>
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/// <returns>
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/// A new <see cref="Point"/> instance translated by size.
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/// </returns>
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public static Point operator -(Point point, Size size)
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{
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return new Point(point.X - size.Width, point.Y - size.Height);
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}
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/// <summary>
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/// Compares two instances for equality.
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/// </summary>
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/// <param name="left">The first instance.</param>
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/// <param name="right">The second instance.</param>
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/// <returns>True, if left is equal to right; false otherwise.</returns>
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public static bool operator ==(Point left, Point right)
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{
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return left.Equals(right);
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}
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/// <summary>
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/// Compares two instances for inequality.
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/// </summary>
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/// <param name="left">The first instance.</param>
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/// <param name="right">The second instance.</param>
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/// <returns>True, if left is not equal to right; false otherwise.</returns>
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public static bool operator !=(Point left, Point right)
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{
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return !left.Equals(right);
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}
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/// <summary>
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/// Converts an OpenTK.Point instance to a System.Drawing.Point.
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/// </summary>
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/// <param name="point">
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/// The <see cref="Point"/> instance to convert.
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/// </param>
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/// <returns>
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/// A <see cref="System.Drawing.Point"/> instance equivalent to point.
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/// </returns>
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public static implicit operator System.Drawing.Point(Point point)
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{
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return new System.Drawing.Point(point.X, point.Y);
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}
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/// <summary>
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/// Converts a System.Drawing.Point instance to an OpenTK.Point.
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/// </summary>
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/// <param name="point">
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/// The <see cref="System.Drawing.Point"/> instance to convert.
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/// </param>
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/// <returns>
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/// A <see cref="Point"/> instance equivalent to point.
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/// </returns>
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public static implicit operator Point(System.Drawing.Point point)
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{
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return new Point(point.X, point.Y);
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}
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/// <summary>
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/// Converts an OpenTK.Point instance to a System.Drawing.PointF.
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/// </summary>
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/// <param name="point">
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/// The <see cref="Point"/> instance to convert.
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/// </param>
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/// <returns>
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/// A <see cref="System.Drawing.PointF"/> instance equivalent to point.
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/// </returns>
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public static implicit operator System.Drawing.PointF(Point point)
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{
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return new System.Drawing.PointF(point.X, point.Y);
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}
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/// <summary>
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/// Indicates whether this instance is equal to the specified object.
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/// </summary>
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/// <param name="obj">The object instance to compare to.</param>
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/// <returns>True, if both instances are equal; false otherwise.</returns>
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public override bool Equals(object obj)
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{
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if (obj is Point)
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return Equals((Point)obj);
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return false;
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}
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/// <summary>
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/// Returns the hash code for this instance.
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/// </summary>
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/// <returns>A <see cref="System.Int32"/> that represents the hash code for this instance./></returns>
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public override int GetHashCode()
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{
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return X.GetHashCode() ^ Y.GetHashCode();
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}
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/// <summary>
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/// Returns a <see cref="System.String"/> that describes this instance.
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/// </summary>
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/// <returns>A <see cref="System.String"/> that describes this instance.</returns>
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public override string ToString()
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{
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return String.Format("{{{0}, {1}}}", X, Y);
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}
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#endregion
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#region IEquatable<Point> Members
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/// <summary>
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/// Indicates whether this instance is equal to the specified Point.
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/// </summary>
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/// <param name="other">The instance to compare to.</param>
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/// <returns>True, if both instances are equal; false otherwise.</returns>
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public bool Equals(Point other)
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{
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return X == other.X && Y == other.Y;
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}
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#endregion
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}
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#endif
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}
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