Merged image loading from MainWindow in server context

PDGServer_WPF/App.xaml.cs

@@ -57,7 +57,7 @@ namespace RBG_Server
             
         }
 
-        void LoadStream(Stream source, string path, bool isSprite)
+        public void LoadStream(Stream source, string path, bool isSprite)
         {
             long srcStart = source.Position;
             byte[] vs = new byte[6]; // First 6 bytes is the gif specifier

PDGServer_WPF/ConnectionPage.xaml

@@ -13,7 +13,7 @@
             <Button x:Name="HostButton" Content="Host a Game" Margin="0,0,0,5" Click="HostButton_Click"/>
             <Button x:Name="ConnectButton" Content="Connect to Server" Margin="0,5,0,0" Click="ConnectButton_Click"/>
         </StackPanel>
-        <Grid x:Name="ServerGrid" d:IsHidden="True">
+        <Grid x:Name="ServerGrid">
             <Grid.ColumnDefinitions>
                 <ColumnDefinition MaxWidth="400"/>
                 <ColumnDefinition/>
@@ -50,7 +50,7 @@
                 <Grid x:Name="PreviewImageOverlay" HorizontalAlignment="Center" VerticalAlignment="Center" Width="{Binding ActualWidth, ElementName=PreviewImage}" Height="{Binding ActualHeight, ElementName=PreviewImage}"/>
             </Grid>
         </Grid>
-        <Grid x:Name="ClientGrid">
+        <Grid x:Name="ClientGrid" d:IsHidden="True">
             <StackPanel>
                 <Button x:Name="ClientBackButton" Content="Back" Margin="0,5,0,0" HorizontalAlignment="Center" Click="ClientBackButton_Click"/>
                 <TextBlock Text="Server Address:" TextWrapping="Wrap" Padding="0,10,0,0" Foreground="White" HorizontalAlignment="Center"/>

PDGServer_WPF/ConnectionPage.xaml.cs

@@ -1,4 +1,5 @@
-using RBG_Server;
+using Microsoft.Win32;
+using RBG_Server;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -247,6 +248,103 @@ namespace RBG_Server_WPF
         // *************** Server Connection Logic  *******************
         // ************************************************************
         #region server connection logic
+        private static readonly SolidColorBrush borderBrush = new(Color.FromRgb(255, 0, 0));
+        
+
+        private void BrowseButton_Click(object sender, RoutedEventArgs e)
+        {
+            OpenFileDialog ofd = new();
+            ofd.Filter = "Image Files|*.png;*.jpg";
+            if (ofd.ShowDialog() == true)
+            {
+                ImageSourceTextBox.Text = ofd.FileName;
+                UpdateImage().Start();
+            }
+        }
+        /// <summary>
+        /// Update the image when the text box looses focus
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private void ImageSourceTextBox_LostFocus(object sender, RoutedEventArgs e)
+        {
+            UpdateImage().Start();
+        }
+
+        private Task UpdateImage()
+        {
+            try
+            {
+                CommunicationHandler host = App.Context.GameCommunicationHandler;
+                using FileStream fs = File.OpenRead(ImageSourceTextBox.Text);
+                using MemoryStream ms = new();
+             
+                fs.CopyTo(ms);
+                // Calc mips
+                ms.Position = 0;
+                App.Context.LoadStream(ms, Name, false);
+                ms.Position = 0;
+                BitmapImage gameBoardImage = new();
+                gameBoardImage.BeginInit();
+                gameBoardImage.StreamSource = ms;
+                gameBoardImage.EndInit();
+                PreviewImage.Source = gameBoardImage;
+                RedrawGrid();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+            return Task.CompletedTask;
+        }
+
+        /// <summary>
+        /// Draws the overlay grid, clearing existing elements if necessary
+        /// </summary>
+        private void RedrawGrid()
+        {
+
+            PreviewImageOverlay.RowDefinitions.Clear();
+            PreviewImageOverlay.ColumnDefinitions.Clear();
+            PreviewImageOverlay.Children.Clear();
+            for (int i = 0; i < NumberOfColumns.Value; i++)
+            {
+                PreviewImageOverlay.ColumnDefinitions.Add(new ColumnDefinition());
+            }
+            for (int i = 0; i < NumberOfRows.Value; i++)
+            {
+                PreviewImageOverlay.RowDefinitions.Add(new RowDefinition());
+            }
+            // Draw the overlay
+            Rectangle overlay = new();
+            overlay.Fill = new SolidColorBrush(Color.FromArgb(128, 0, 128, 255));
+            _ = PreviewImageOverlay.Children.Add(overlay);
+            Grid.SetRow(overlay, (int)ZoomBoxStartRow.Value);
+            Grid.SetColumn(overlay, (int)ZoomBoxStartColumn.Value);
+            Grid.SetRowSpan(overlay, (int)ZoomBoxSpan.Value);
+            Grid.SetColumnSpan(overlay, (int)ZoomBoxSpan.Value);
+            // Draw the starting position
+            overlay = new();
+            overlay.Fill = new SolidColorBrush(Color.FromArgb(64, 0, 255, 128));
+            _ = PreviewImageOverlay.Children.Add(overlay);
+            Grid.SetRow(overlay, (int)StartingRow.Value);
+            Grid.SetColumn(overlay, (int)StartingColumn.Value);
+            // Draw grids onto the preview image
+            for (int v = 0; v < PreviewImageOverlay.RowDefinitions.Count; v++)
+            {
+                for (int u = 0; u < PreviewImageOverlay.ColumnDefinitions.Count; u++)
+                {
+                    Border border = new();
+                    border.BorderBrush = borderBrush;
+                    border.BorderThickness = new Thickness(2);
+                    _ = PreviewImageOverlay.Children.Add(border);
+                    Grid.SetRow(border, v);
+                    Grid.SetColumn(border, u);
+                }
+            }
+        }
+
+
 
         #endregion
     }