Lab_5/15var (IV semester) CG

.xaml
<Window x:Class="TemplateWpfMaterial.MainWindow"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:TemplateWpfMaterial"
        mc:Ignorable="d"
        Title=""
        MinHeight="510"
        MinWidth="600"
        WindowStartupLocation="CenterScreen"
        SizeToContent="WidthAndHeight"
        WindowStyle="None"
        WindowState="Normal"
        ResizeMode="CanResizeWithGrip"
        BorderThickness="1"
        Foreground="{x:Null}"
        BorderBrush="{x:Null}"
        Background="{x:Null}"
        Style="{StaticResource ModifiedWindow}" KeyDown="Window_KeyDown">
    <Grid
        Width="auto"
        Height="auto"
        x:Name="MainGrid"
        Background="White">
        <Grid.RowDefinitions>
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30"  MinHeight="30" />
            <RowDefinition Height="30*"  MinHeight="30" />

        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="170"  MinWidth="170" />
            <ColumnDefinition Width="30*" MinWidth="30" />
        </Grid.ColumnDefinitions>
        <!--Up Panel-->
        <StackPanel
                Grid.ColumnSpan="2"
                Grid.Column="0"
                x:Name="Drag"
                Grid.Row="0"
                HorizontalAlignment="Stretch"
                Height="30"
                Background="{DynamicResource PrimaryHueDarkBrush}"
                Margin="0,0,141,0" PreviewMouseDown="Drag_MouseDown">
            <Label Content="Computer Graphics #5"
                   HorizontalAlignment="Left"
                   VerticalAlignment="Center"
                   Margin="10,2,0,0"
                   Foreground="{DynamicResource PrimaryHueMidForegroundBrush}"/>
        </StackPanel>
        <!--Close-->
        <StackPanel
                Grid.ColumnSpan="2"
                Grid.Column="0"
                x:Name="Close"
                Width="47"
                Height="30"
                HorizontalAlignment="Right"
            Margin="0,0,0,0"
            MouseEnter="Close_MouseEnter"
            MouseLeave="Close_MouseLeave"
            Background="{DynamicResource PrimaryHueDarkBrush}"
            PreviewMouseDown="Close_MouseDown">
            <Image
                Width="19"
                Height="19"
                HorizontalAlignment="Center"
                Margin="0,5"
            Source="pack://siteoforigin:,,,/Icon/Close.png" />
        </StackPanel>
        <!--Max-->
        <StackPanel
                Grid.ColumnSpan="2"
                Grid.Column="0"
                x:Name="Max"
                Width="47"
                Height="30"
                Background="{DynamicResource PrimaryHueDarkBrush}"
                HorizontalAlignment="Right"
                Grid.Row="0"
            Margin="0,0,47,0"
            MouseEnter="Max_MouseEnter"
            MouseLeave="Max_MouseLeave" PreviewMouseDown="Max_MouseDown">
            <Image
                x:Name="IconMax"
                Width="11"
                Height="11"
                HorizontalAlignment="Center"
                Margin="0,9"
            Source="pack://siteoforigin:,,,/Icon/Max.png" />
        </StackPanel>
        <!--Min-->
        <StackPanel
                Grid.ColumnSpan="2"
                Grid.Column="0"
                x:Name="Min"
                Width="47"
                Height="30"
                HorizontalAlignment="Right"
                Grid.Row="0"
            Margin="0,0,94,0"
            Background="{DynamicResource PrimaryHueDarkBrush}"
            MouseEnter="Min_MouseEnter"
            MouseLeave="Min_MouseLeave"
            PreviewMouseDown="Min_MouseDown">
            <Image
                x:Name="IconMin"
               Width="11"
                Height="11"
                HorizontalAlignment="Center"
                Margin="0,9"
            Source="pack://siteoforigin:,,,/Icon/Min.png" />
        </StackPanel>

        <Button
            Margin="10,0,10,0"
            Grid.Row="2"
            Grid.Column="0"
            Background="{DynamicResource PrimaryHueLightBrush}"
            Content="Draw Image"
            BorderBrush="{x:Null}" Click="Button_Click"
            />
        <Button
            Margin="10,0,10,0"
            Grid.Row="4"
            Grid.Column="0"
            Background="{DynamicResource PrimaryHueLightBrush}"
            Content="Clear field"
            BorderBrush="{x:Null}" Click="Button_Click_1"
            />
        <Button
            Margin="10,0,10,0"
            Grid.Row="6"
            Grid.Column="0"
            Background="{DynamicResource PrimaryHueLightBrush}"
            Content="Display image"
            BorderBrush="{x:Null}" Click="Button_Click_2"
            />
        <Button
            Margin="10,0,10,0"
            Grid.Row="8"
            Grid.Column="0"
            Background="{DynamicResource PrimaryHueLightBrush}"
            Content="Convert to gray"
            BorderBrush="{x:Null}" Click="Button_Click_3"
            />
        <StackPanel
            Orientation="Horizontal"
            Margin="0,0,10,10"
            Grid.Row="2"
            Grid.RowSpan="8"
            Grid.Column="1"
            Background="#FFFEFEFE">
            <Canvas
                x:Name="Field">
            </Canvas>
            <Image
                x:Name="FieldImage">
            </Image>
        </StackPanel>

    </Grid>
</Window>

.cs
using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using Microsoft.Win32;

namespace TemplateWpfMaterial
{

    public partial class MainWindow : Window
    {
        public static BitmapImage IMax = new BitmapImage();
        public static BitmapImage IMin = new BitmapImage();
        public static BitmapImage IMaxBlack = new BitmapImage();
        public static BitmapImage IMinBlack = new BitmapImage();

        public Brush PrimaryHueLightBrush = new SolidColorBrush();
        public Brush PrimaryHueLightForegroundBrush = new SolidColorBrush();
        public Brush PrimaryHueMidBrush = new SolidColorBrush();
        public Brush PrimaryHueMidForegroundBrush = new SolidColorBrush();
        public Brush PrimaryHueDarkBrush = new SolidColorBrush();
        public Brush PrimaryHueDarkForegroundBrush = new SolidColorBrush();

        BrushConverter bc = new BrushConverter();
        public MainWindow()
        {
            InitializeComponent();
            IMax.BeginInit();
            IMax.UriSource = new Uri("pack://siteoforigin:,,,/Icon/Max.png");
            IMax.EndInit();
            IMin.BeginInit();
            IMin.UriSource = new Uri("pack://siteoforigin:,,,/Icon/Min.png");
            IMin.EndInit();
            IMaxBlack.BeginInit();
            IMaxBlack.UriSource = new Uri("pack://siteoforigin:,,,/Icon/Max Black.png");
            IMaxBlack.EndInit();
            IMinBlack.BeginInit();
            IMinBlack.UriSource = new Uri("pack://siteoforigin:,,,/Icon/Min Black.png");
            IMinBlack.EndInit();
            ResourceDictionary resources = this.Resources;
            resources["PrimaryHueMidBrush"] = (Brush)bc.ConvertFrom("#3F51B5");
            resources["PrimaryHueMidForegroundBrush"] = (Brush)bc.ConvertFrom("#FFFFFF");
            resources["PrimaryHueDarkBrush"] = (Brush)bc.ConvertFrom("#303F9F");
            resources["PrimaryHueDarkForegroundBrush"] = (Brush)bc.ConvertFrom("#FFFFFF");
            resources["PrimaryHueLightBrush"] = (Brush)bc.ConvertFrom("#E91E63");
            resources["PrimaryHueLightForegroundBrush"] = (Brush)bc.ConvertFrom("#FFFFFF");
            this.MaxHeight = System.Windows.SystemParameters.WorkArea.Height + 10;
            this.MaxWidth = System.Windows.SystemParameters.WorkArea.Width + 10;
            GetColors();
        }
        public void GetColors()
        {
            var bc = new BrushConverter();
            ResourceDictionary resources = this.Resources;
            PrimaryHueLightBrush = (Brush)resources["PrimaryHueLightBrush"];
            PrimaryHueLightForegroundBrush = (Brush)resources["PrimaryHueLightForegroundBrush"];
            PrimaryHueMidBrush = (Brush)resources["PrimaryHueMidBrush"];
            PrimaryHueMidForegroundBrush = (Brush)resources["PrimaryHueMidForegroundBrush"];
            PrimaryHueDarkBrush = (Brush)resources["PrimaryHueDarkBrush"];
            PrimaryHueDarkForegroundBrush = (Brush)resources["PrimaryHueDarkForegroundBrush"];
            Min.Background = PrimaryHueDarkBrush;
            Max.Background = PrimaryHueDarkBrush;
            Close.Background = PrimaryHueDarkBrush;
        }
        private void Drag_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if (WindowState == WindowState.Maximized)
            {
                WindowState = WindowState.Normal;
                var point = e.GetPosition(this);
                Left = point.X - 10;
                Top = point.Y - 10;
            }
            this.DragMove();
        }
        private void Close_MouseEnter(object sender, MouseEventArgs e)
        {
            Close.Background = (Brush)bc.ConvertFrom("#FFE81123");
        }

        private void Close_MouseLeave(object sender, MouseEventArgs e)
        {
            Close.Background = PrimaryHueDarkBrush;
        }
        private void Max_MouseEnter(object sender, MouseEventArgs e)
        {
            Max.Background = (Brush)bc.ConvertFrom("#FFe6e6e6");
            IconMax.Source = IMaxBlack;
        }
        private void Max_MouseLeave(object sender, MouseEventArgs e)
        {
            IconMax.Source = IMax;
            Max.Background = PrimaryHueDarkBrush;
        }
        private void Min_MouseEnter(object sender, MouseEventArgs e)
        {
            Min.Background = (Brush)bc.ConvertFrom("#FFe6e6e6");
            IconMin.Source = IMinBlack;
        }
        private void Min_MouseLeave(object sender, MouseEventArgs e)
        {
            IconMin.Source = IMin;
            Min.Background = PrimaryHueDarkBrush;
        }
        private void Close_MouseDown(object sender, MouseButtonEventArgs e)
        {
            Application.Current.Shutdown();
        }
        private void Max_MouseDown(object sender, MouseButtonEventArgs e)
        {
            Application.Current.MainWindow.SizeToContent = SizeToContent.Manual;
            if (WindowState != WindowState.Maximized)
                Application.Current.MainWindow.WindowState = WindowState.Maximized;
            else
                Application.Current.MainWindow.WindowState = WindowState.Normal;
        }
        private void Min_MouseDown(object sender, MouseButtonEventArgs e)
        {
            this.WindowState = System.Windows.WindowState.Minimized;
        }
        int x = 0, y = 0;
        System.Windows.Shapes.Polygon p = new System.Windows.Shapes.Polygon();
        System.Windows.Shapes.Polygon p2 = new System.Windows.Shapes.Polygon();

        public void Draw() {
            Clear();
            p.Stroke = Brushes.Black;
            p.Fill = Brushes.LightBlue;
            p.StrokeThickness = 1;
            p.HorizontalAlignment = HorizontalAlignment.Left;
            p.VerticalAlignment = VerticalAlignment.Center;
            //
            p.Points = new PointCollection() {
                    new Point(38+x, 162+y),
                    new Point(38+x,239+y),
                    new Point(92+x,240+y),
                    new Point(107+x,214+y),
                    new Point(76+x,270+y),
                    new Point(111+x,270+y),
                    new Point(140+x,214+y),
                    new Point(127+x,240+y),
                    new Point(247+x,240+y),
                    new Point(202+x,198+y),
                    new Point(73+x, 198+y),
                    new Point(63+x,161+y)
            };
            p2.Stroke = Brushes.Black;
            p2.Fill = Brushes.LightBlue;
            p2.StrokeThickness = 1;
            p2.HorizontalAlignment = HorizontalAlignment.Left;
            p2.VerticalAlignment = VerticalAlignment.Center;
            //
            p2.Points = new PointCollection() {
                    new Point(202+x, 198+y),
                    new Point(202+x,216+y),
                    new Point(221+x,216+y)
            };
            Field.Children.Add(p);
            Field.Children.Add(p2);
        }
        public void Clear()
        {
            Field.Children.Remove(p);
            Field.Children.Remove(p2);
            FieldImage.Source = null;
        }
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Draw();
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            Clear();
        }
        BitmapImage image;
        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            OpenFileDialog op = new OpenFileDialog();
            op.Title = "Select a picture";
            op.Filter = "All supported graphics|*.jpg;*.jpeg;*.png|" +
              "JPEG (*.jpg;*.jpeg)|*.jpg;*.jpeg|" +
              "Portable Network Graphic (*.png)|*.png";
            if (op.ShowDialog() == true)
            {
                image = new BitmapImage(new Uri(op.FileName));
                FieldImage.Source = image;
            }

        }

        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            var grayBitmapSource = new FormatConvertedBitmap();
            grayBitmapSource.BeginInit();
            grayBitmapSource.Source = image;
            grayBitmapSource.DestinationFormat = PixelFormats.Gray32Float;
            grayBitmapSource.EndInit();
            FieldImage.Source = grayBitmapSource;
        }

        private void Window_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Left)
                x -= 1;
            else if (e.Key == Key.Up)
                y -= 1;
            else if (e.Key == Key.Down)
                y += 1;
            else if (e.Key == Key.Right)
                x += 1;
            Draw();
        }
    }
}