From 74b4ad83e38e8032c509fc503012b48c884d3a59 Mon Sep 17 00:00:00 2001
From: Claudio Schaad <schaad@pog.ch>
Date: Sun, 29 Nov 2020 15:20:37 +0100
Subject: [PATCH] Scale bitmap

---
 LegoArt/ImageHelperService.cs      | 39 ++++++++++++++++++++++++++++++
 LegoArt/MainWindow.xaml            | 15 +++++++++---
 LegoArt/MainWindow.xaml.cs         | 24 ++++++++++++------
 LegoArtTool/BitmapHelperService.cs | 30 +++++++++++++++++++++++
 4 files changed, 97 insertions(+), 11 deletions(-)
 create mode 100644 LegoArt/ImageHelperService.cs
 create mode 100644 LegoArtTool/BitmapHelperService.cs

diff --git a/LegoArt/ImageHelperService.cs b/LegoArt/ImageHelperService.cs
new file mode 100644
index 0000000..b658799
--- /dev/null
+++ b/LegoArt/ImageHelperService.cs
@@ -0,0 +1,39 @@
+using System;
+using System.IO;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+
+namespace LegoArt
+{
+    public class ImageHelperService
+    {
+        public BitmapImage LoadToImage(System.Drawing.Bitmap bitmap)
+        {
+            using (var memory = new MemoryStream())
+            {
+                bitmap.Save(memory, System.Drawing.Imaging.ImageFormat.Bmp);
+                memory.Position = 0;
+                var bitmapimage = new BitmapImage();
+                bitmapimage.BeginInit();
+                bitmapimage.StreamSource = memory;
+                bitmapimage.CacheOption = BitmapCacheOption.OnLoad;
+                bitmapimage.EndInit();
+                return bitmapimage;
+            }
+        }
+
+        public BitmapImage LoadToImage(string path)
+        {
+            var bitmapimage = new BitmapImage();
+            bitmapimage.BeginInit();
+            bitmapimage.UriSource = new Uri(path);
+            bitmapimage.EndInit();
+            return bitmapimage;
+        }
+
+        public Color ConvertDrawingToWindowsMediaColor(System.Drawing.Color inputColor)
+        {
+            return Color.FromArgb(inputColor.A, inputColor.R, inputColor.G, inputColor.B);
+        }
+    }
+}
diff --git a/LegoArt/MainWindow.xaml b/LegoArt/MainWindow.xaml
index 8a112d3..fdba1e4 100644
--- a/LegoArt/MainWindow.xaml
+++ b/LegoArt/MainWindow.xaml
@@ -5,22 +5,31 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:LegoArt"
         mc:Ignorable="d"
-        Title="Lego Art Color Info" Height="500" Width="420">
+        Title="Lego Art Color Info" Height="500" Width="800">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="25"/>
             <RowDefinition Height="20"/>
             <RowDefinition Height="*"/>
         </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="*" />
+        </Grid.ColumnDefinitions>
         
         <StackPanel Grid.Row="0" Orientation="Horizontal" Height="25" VerticalAlignment="Top">
             <Label Width="50" Content="Bild:"/>
             <TextBox Width="300" x:Name="tbImagePath" />
             <Button Width="50" Name="btnImageChooser" Content="..." Click="btnImageChooser_Click"/>
         </StackPanel>
-        
+
         <StackPanel Grid.Row="2" Orientation="Vertical" Name="parentStackPanel" VerticalAlignment="Top">
-            
         </StackPanel>
+        <StackPanel Grid.Column="1" Grid.Row="2" Orientation="Vertical">
+            <Image  HorizontalAlignment="Left"  Grid.Row="2" VerticalAlignment="Top" Name="sourceImage" Stretch="None"/>
+            <Image  HorizontalAlignment="Left"  Grid.Row="2" VerticalAlignment="Top" Name="scaledImage" Stretch="None"/>
+        </StackPanel>
+
+
     </Grid>
 </Window>
diff --git a/LegoArt/MainWindow.xaml.cs b/LegoArt/MainWindow.xaml.cs
index 53f4e80..1ae72fd 100644
--- a/LegoArt/MainWindow.xaml.cs
+++ b/LegoArt/MainWindow.xaml.cs
@@ -13,9 +13,17 @@ namespace LegoArt
     /// </summary>
     public partial class MainWindow : Window
     {
+        private readonly LegoArtColorService legoArtColorService;
+        private readonly BitmapHelperService bitmapHelperService;
+        private readonly ImageHelperService imageHelperService;
+
         public MainWindow()
         {
             InitializeComponent();
+
+            legoArtColorService = new LegoArtColorService();
+            bitmapHelperService = new BitmapHelperService();
+            imageHelperService = new ImageHelperService();
         }
 
         private void btnImageChooser_Click(object sender, RoutedEventArgs e)
@@ -30,10 +38,15 @@ namespace LegoArt
 
         private void LoadImage(string path)
         {
-            var legoArtColorService = new LegoArtColorService();
             var legoArtColors = legoArtColorService.ParseImage(path);
             if (legoArtColors != null)
             {
+                var sourceBitamp = bitmapHelperService.ScaleImage(path, 1);
+                sourceImage.Source = imageHelperService.LoadToImage(sourceBitamp);
+
+                var scaledBitamp = bitmapHelperService.ScaleImage(path, 5);
+                scaledImage.Source = imageHelperService.LoadToImage(scaledBitamp);
+
                 parentStackPanel.Children.Clear();
 
                 AddLine(System.Drawing.Color.White, "Have", "Needed", "RGB", "#", "Difference", System.Drawing.Color.White);
@@ -60,7 +73,7 @@ namespace LegoArt
 
         private void AddLine(System.Drawing.Color color, string textHave, string textNeed, string textRgb, string textNumber, string textDifference, System.Drawing.Color statusColor)
         {
-            var displayColor = ConvertDrawingToWindowsMediaColor(color);
+            var displayColor = imageHelperService.ConvertDrawingToWindowsMediaColor(color);
             var rect = new Rectangle();
             rect.Width = 20;
             rect.Height = 20;
@@ -96,7 +109,7 @@ namespace LegoArt
             differenceTextBlock.TextAlignment = TextAlignment.Center;
             differenceTextBlock.Text = textDifference;
 
-            var displayStatusColor = ConvertDrawingToWindowsMediaColor(statusColor);
+            var displayStatusColor = imageHelperService.ConvertDrawingToWindowsMediaColor(statusColor);
             var status = new Rectangle();
             status.Width = 20;
             status.Height = 20;
@@ -114,10 +127,5 @@ namespace LegoArt
             stackPanel.Children.Add(status);
             parentStackPanel.Children.Add(stackPanel);
         }
-
-        private Color ConvertDrawingToWindowsMediaColor(System.Drawing.Color inputColor)
-        {
-            return Color.FromArgb(inputColor.A, inputColor.R, inputColor.G, inputColor.B);
-        }
     }
 }
diff --git a/LegoArtTool/BitmapHelperService.cs b/LegoArtTool/BitmapHelperService.cs
new file mode 100644
index 0000000..802f2ba
--- /dev/null
+++ b/LegoArtTool/BitmapHelperService.cs
@@ -0,0 +1,30 @@
+using System.Drawing;
+
+namespace LegoArtTool
+{
+    public class BitmapHelperService
+    {
+        public Bitmap ScaleImage(string path, int scaleFactor)
+        {
+            var inputBitmap = new Bitmap(path);
+            var scaledBitmap = new Bitmap(inputBitmap.Width * scaleFactor, inputBitmap.Height * scaleFactor);
+
+            for (int x = 0; x < inputBitmap.Width; x++)
+            {
+                for (int y = 0; y < inputBitmap.Height; y++)
+                {
+                    var sourcePixel = inputBitmap.GetPixel(x, y);
+                    for (int scaleX = x * scaleFactor; scaleX < scaledBitmap.Width; scaleX++)
+                    {
+                        for (int scaleY = y * scaleFactor; scaleY < scaledBitmap.Height; scaleY++)
+                        {
+                            scaledBitmap.SetPixel(scaleX, scaleY, Color.FromArgb(sourcePixel.ToArgb()));
+                        }
+                    }
+                }
+            }
+
+            return scaledBitmap;
+        }
+    }
+}