C# :: Aufgabe #197 :: Lösung #3

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#197

Mischen von Spielkarten

Anfänger - C# von hollst - 14.01.2018 um 16:42 Uhr
Man schreibe eine GUI-Anwendung, die einen 52er Kartensatz mischt und die entstandene Reihenfolge anzeigt (BILD 2).
Die Anwendung soll zwei Befehlsknöpfe haben: MISCHEN und RESET. Mit RESET soll die Default-Reihenfolge angezeigt werden (BILD 1).

Einen Satz von Image-Dateien der Spielkarten könnt ihr z. B. unter http://www.nongnu.org/cardpics/cardpics.en.html herunterladen und darüber frei verfügen, sofern ihr eure Lösung nicht für kommerzielle Zwecke vermarkten wollt.
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pic_1.png pic_2.png Votes: 0 Admin: 0
#3
vote_ok
von hollst (13980 Punkte) - 14.02.2018 um 11:58 Uhr
Die Kartenbilder müssen in einem Ordner @"pics\" liegen und mit
image000.png ... image012.png
image100.png ... image112.png
image200.png ... image212.png
image300.png ... image312.png
bezeichnet sein.
Die Kartenrückseite ist @"pics\back.png".

Quellcode ausblenden C#-Code
<Window x:Class="ShuffleCards.MainWindow"
        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:ShuffleCards"
        mc:Ignorable="d"
        Title="ShuffleCards" Height="700" Width="1050" FontFamily="Courier New" WindowState="Normal" WindowStartupLocation="CenterScreen">
    <Grid Background="{DynamicResource {x:Static SystemColors.ActiveCaptionBrushKey}}">
        <Grid.RowDefinitions>
            <RowDefinition Height="35"/>
            <RowDefinition/>
        </Grid.RowDefinitions>
        <StackPanel Margin="0" Orientation="Horizontal">
            <Button x:Name="button0" Content=" reset   " Width="75" Margin="5" Click="button0_Click"/>
            <Button x:Name="button1" Content=" shuffle " Width="75" Margin="5" Click="button1_Click"/>
            <Label x:Name="lb_version" Content=" version 2018/01/14   2018/01/17" VerticalContentAlignment="Center" FontWeight="Bold" 
        </StackPanel>
        <GroupBox x:Name="groupBox" Header=" card ground " Grid.Row="1" Margin="5">
            <Grid Margin="5">
                
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                    <ColumnDefinition Width="1*"/>
                </Grid.ColumnDefinitions>
                <Grid.RowDefinitions>
                    <RowDefinition Height="1*"/>
                    <RowDefinition Height="1*"/>
                    <RowDefinition Height="1*"/>
                    <RowDefinition Height="1*"/>
                </Grid.RowDefinitions>
                
                <Image x:Name="image000" Margin="5" Grid.Row="0" Grid.Column="0" />
                <Image x:Name="image001" Margin="5" Grid.Row="0" Grid.Column="1" />
                <Image x:Name="image002" Margin="5" Grid.Row="0" Grid.Column="2" />
                <Image x:Name="image003" Margin="5" Grid.Row="0" Grid.Column="3" />
                <Image x:Name="image004" Margin="5" Grid.Row="0" Grid.Column="4" />
                <Image x:Name="image005" Margin="5" Grid.Row="0" Grid.Column="5" />
                <Image x:Name="image006" Margin="5" Grid.Row="0" Grid.Column="6" />
                <Image x:Name="image007" Margin="5" Grid.Row="0" Grid.Column="7" />
                <Image x:Name="image008" Margin="5" Grid.Row="0" Grid.Column="8" />
                <Image x:Name="image009" Margin="5" Grid.Row="0" Grid.Column="9" />
                <Image x:Name="image010" Margin="5" Grid.Row="0" Grid.Column="10" />
                <Image x:Name="image011" Margin="5" Grid.Row="0" Grid.Column="11" />
                <Image x:Name="image012" Margin="5" Grid.Row="0" Grid.Column="12" />

                <Image x:Name="image100" Margin="5" Grid.Row="1" Grid.Column="0" />
                <Image x:Name="image101" Margin="5" Grid.Row="1" Grid.Column="1" />
                <Image x:Name="image102" Margin="5" Grid.Row="1" Grid.Column="2" />
                <Image x:Name="image103" Margin="5" Grid.Row="1" Grid.Column="3" />
                <Image x:Name="image104" Margin="5" Grid.Row="1" Grid.Column="4" />
                <Image x:Name="image105" Margin="5" Grid.Row="1" Grid.Column="5" />
                <Image x:Name="image106" Margin="5" Grid.Row="1" Grid.Column="6" />
                <Image x:Name="image107" Margin="5" Grid.Row="1" Grid.Column="7" />
                <Image x:Name="image108" Margin="5" Grid.Row="1" Grid.Column="8" />
                <Image x:Name="image109" Margin="5" Grid.Row="1" Grid.Column="9" />
                <Image x:Name="image110" Margin="5" Grid.Row="1" Grid.Column="10" />
                <Image x:Name="image111" Margin="5" Grid.Row="1" Grid.Column="11" />
                <Image x:Name="image112" Margin="5" Grid.Row="1" Grid.Column="12" />

                <Image x:Name="image200" Margin="5" Grid.Row="2" Grid.Column="0" />
                <Image x:Name="image201" Margin="5" Grid.Row="2" Grid.Column="1" />
                <Image x:Name="image202" Margin="5" Grid.Row="2" Grid.Column="2" />
                <Image x:Name="image203" Margin="5" Grid.Row="2" Grid.Column="3" />
                <Image x:Name="image204" Margin="5" Grid.Row="2" Grid.Column="4" />
                <Image x:Name="image205" Margin="5" Grid.Row="2" Grid.Column="5" />
                <Image x:Name="image206" Margin="5" Grid.Row="2" Grid.Column="6" />
                <Image x:Name="image207" Margin="5" Grid.Row="2" Grid.Column="7" />
                <Image x:Name="image208" Margin="5" Grid.Row="2" Grid.Column="8" />
                <Image x:Name="image209" Margin="5" Grid.Row="2" Grid.Column="9" />
                <Image x:Name="image210" Margin="5" Grid.Row="2" Grid.Column="10" />
                <Image x:Name="image211" Margin="5" Grid.Row="2" Grid.Column="11" />
                <Image x:Name="image212" Margin="5" Grid.Row="2" Grid.Column="12" />

                <Image x:Name="image300" Margin="5" Grid.Row="3" Grid.Column="0" />
                <Image x:Name="image301" Margin="5" Grid.Row="3" Grid.Column="1" />
                <Image x:Name="image302" Margin="5" Grid.Row="3" Grid.Column="2" />
                <Image x:Name="image303" Margin="5" Grid.Row="3" Grid.Column="3" />
                <Image x:Name="image304" Margin="5" Grid.Row="3" Grid.Column="4" />
                <Image x:Name="image305" Margin="5" Grid.Row="3" Grid.Column="5" />
                <Image x:Name="image306" Margin="5" Grid.Row="3" Grid.Column="6" />
                <Image x:Name="image307" Margin="5" Grid.Row="3" Grid.Column="7" />
                <Image x:Name="image308" Margin="5" Grid.Row="3" Grid.Column="8" />
                <Image x:Name="image309" Margin="5" Grid.Row="3" Grid.Column="9" />
                <Image x:Name="image310" Margin="5" Grid.Row="3" Grid.Column="10" />
                <Image x:Name="image311" Margin="5" Grid.Row="3" Grid.Column="11" />
                <Image x:Name="image312" Margin="5" Grid.Row="3" Grid.Column="12" />
                
            </Grid>
        </GroupBox>
    </Grid>
</Window>


Quellcode ausblenden C#-Code
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace ShuffleCards    {
    public partial class MainWindow : Window    {
        public enum Cases { BackSide, Reset, Mix };
        
        public void set_images(Cases icase)   {
            Image[] Im = new Image[]    {
                this.image000, this.image001, this.image002, this.image003, this.image004, this.image005,
                this.image006, this.image007, this.image008, this.image009, this.image010, this.image011,
                this.image012,

                this.image100, this.image101, this.image102, this.image103, this.image104, this.image105,
                this.image106, this.image107, this.image108, this.image109, this.image110, this.image111,
                this.image112,

                this.image200, this.image201, this.image202, this.image203, this.image204, this.image205,
                this.image206, this.image207, this.image208, this.image209, this.image210, this.image211,
                this.image212,

                this.image300, this.image301, this.image302, this.image303, this.image304, this.image305,
                this.image306, this.image307, this.image308, this.image309, this.image310, this.image311,
                this.image312
            };
            int count_cards = Im.Length;
            Shuffle shufflecards = null;
            switch (icase)    {
                case Cases.BackSide:
                    string s0 = @"pics\back.png";
                    ImageSource imageSource = new BitmapImage(new Uri(s0, 
                        UriKind.RelativeOrAbsolute));
                    foreach (Image im in Im)
                        im.Source = imageSource;
                    return;
                case Cases.Reset:                    
                    shufflecards = new Shuffle(count_cards, bo_reset: true);
                    break;
                case Cases.Mix:
                    shufflecards = new Shuffle(count_cards, bo_reset: false);                    
                    break;
            };
            string[] uris = new string[count_cards];
            string s00 = @"pics\";
            int zeiger = 0;
            for (var i = 0; i < uris.Length; i++)    {
                if (i == 11 || i == 24 || i == 37 || i == 50)
                    zeiger++;
                uris[i] = s00 + zeiger.ToString("00") + ".png";                
                zeiger++;
            };
            for (var i = 0; i < uris.Length; i++)
                Im[i].Source = new BitmapImage(new Uri(uris[shufflecards.Mix[i]], 
                    UriKind.RelativeOrAbsolute));
        }

        public MainWindow()    {
            InitializeComponent();
            set_images((int)Cases.BackSide);
        }

        private void button0_Click(object sender, RoutedEventArgs e) => set_images(Cases.Reset);

        private void button1_Click(object sender, RoutedEventArgs e) => set_images(Cases.Mix);

    }
}


Quellcode ausblenden C#-Code
using System;
using System.Collections.Generic;
using System.Text;

namespace ShuffleCards   {
    public class Shuffle    {

        private Random rand;
        private int count_cards;
        private bool bo_reset;

        public int[] Mix { get; private set; }

        //Fisher - Yates shuffle
        public Shuffle(int count_cards, bool bo_reset = false)    {
            rand = new Random();
            this.count_cards = count_cards;
            this.bo_reset = bo_reset;
            this.Mix = new int[count_cards];
            for (var i = 0; i < count_cards; i++)
                this.Mix[i] = i;
            if (!bo_reset)
                mix();           
        }

        private void mix()
        {           
            Stack<int> stack = new Stack<int>();
            for (var j = Mix.Length - 1; j > 0; j--)
            {
                int jj = rand.Next(j + 1);
                stack.Push(Mix[jj]);
                Mix[jj] = Mix[j];
                Mix[j] = stack.Pop();
            }
        }
    }
}
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