using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace firstWPF
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            const int BOARD_WIDTH = 300;
            const int BOARD_HEIGHT = 300;
            int side = BOARD_WIDTH;

            const int SQUARES_PER_SIDE = 8;
            int sideInPix = (int)(side / SQUARES_PER_SIDE);

            Brush lightBrush = Brushes.Bisque;
            Brush darkBrush = Brushes.ForestGreen;
            Brush currentBrush = lightBrush;

            ScaleTransform st =
                new ScaleTransform(((float)side) / SQUARES_PER_SIDE,
                ((float)side) / SQUARES_PER_SIDE);

            // Create an instance of the DrawingContext class
            DrawingContext dc = dv.RenderOpen();

            dc.PushTransform(st);

            for (int row = 0; row < SQUARES_PER_SIDE; row++)
            {
                for (int column = 0; 
                    column < SQUARES_PER_SIDE; column++)
                {
                    dc.DrawRectangle(currentBrush,
                        new Pen(currentBrush, 0),
                        new Rect(column, row, 1,
                        1));
                    currentBrush =
                        (currentBrush.Equals(lightBrush)) ?
                        darkBrush : lightBrush;
                }
                    currentBrush =
                        (currentBrush.Equals(lightBrush)) ?
                        darkBrush : lightBrush;
            }
            dc.Close();

            chessGroup.Children.Add(dv.Drawing);


            // Windows Forms uses "Immediate Mode" to 
            // process a Paint Message.

            // WPF uses "Retained Mode" to process a 
            // Paint Message.  We never call Invalidate()
            // in WPF.
            boardButton.Click += BoardButton_Click;



        }

        private void BoardButton_Click(object sender, RoutedEventArgs e)
        {
        }

        private DrawingVisual dv = new DrawingVisual();
    }
}