using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Video.DirectCapture
{
    /// <summary>
    /// Holds a resolution (width and height) for a DeviceCapture object.
    /// </summary>
    public class Resolution : INotifyPropertyChanged
    {
        /// <summary>
        /// Initializes a new instance of Resolution.
        /// </summary>
        public Resolution()
        {

        }

        /// <summary>
        /// Initializes a new instance of Resoultion.
        /// </summary>
        /// <param name="width">desired frame width.</param>
        /// <param name="height">desired frame height.</param>
        public Resolution(int width, int height)
            : this()
        {
            Width = width;
            Height = height;
        }

        private int _width;

        /// <summary>
        /// Gets or sets the current frame width.
        /// </summary>
        public int Width
        {
            get { return _width; }
            set { _width = value; RaisePropertyChanged("Width"); }
        }

        private int _height;

        /// <summary>
        /// Gets or sets the current frame height.
        /// </summary>
        public int Height
        {
            get { return _height; }
            set { _height = value; RaisePropertyChanged("Height"); }
        }


        /// <summary>
        /// Returns a string representation of the current resolution.
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return Width + "x" + Height;
        }

        private void RaisePropertyChanged(String propName)
        {
            if (PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs(propName));
        }

        public event PropertyChangedEventHandler PropertyChanged;
    }
}