DisplayOrientation.cs

Siirry tämän tiedoston dokumentaatioon.

using System;
 
namespace Jypeli
{
    public class DisplayOrientation : IEquatable<DisplayOrientation>
    {
        public static DisplayOrientation LandscapeLeft = new DisplayOrientation( 1, 0 );
 
        public static DisplayOrientation LandscapeRight = new DisplayOrientation( -1, 0 );
 
        public static DisplayOrientation Landscape = LandscapeLeft;
 
        public static DisplayOrientation Portrait = new DisplayOrientation( 0, 1 );
 
        public static DisplayOrientation PortraitInverse = new DisplayOrientation( 0, -1 );
 
        internal readonly int Xmul;
 
        internal readonly int Ymul;
 
        internal DisplayOrientation(int xmul, int ymul)
        {
            this.Xmul = xmul;
            this.Ymul = ymul;
        }
 
        public override int GetHashCode()
        {
            return Xmul * 2 + Ymul;
        }
 
        public override bool Equals( object obj )
        {
            return this.Equals( obj as DisplayOrientation );
        }
 
        public bool Equals( DisplayOrientation other )
        {
            if ( other == null )
                return false;
 
            return other.Xmul == this.Xmul && other.Ymul == this.Ymul;
        }
 
        public static bool operator ==( DisplayOrientation a, DisplayOrientation b )
        {
            if ( ReferenceEquals( a, null ) )
                return ReferenceEquals( b, null );
            if ( ReferenceEquals( b, null ) )
                return false;
 
            return a.Xmul == b.Xmul && a.Ymul == b.Ymul;
        }
 
        public static bool operator !=( DisplayOrientation a, DisplayOrientation b )
        {
            if ( ReferenceEquals( a, null ) )
                return !ReferenceEquals( b, null );
            if ( ReferenceEquals( b, null ) )
                return true;
 
            return a.Xmul != b.Xmul || a.Ymul != b.Ymul;
        }
    }
}