Merge pull request #165 from mohammadKarimi/122-button-to-take-a-screenshot

take a screen shot and save in app directory.

Author: mohammadKarimi

README.md

@@ -110,6 +110,9 @@ Riter is a modern, versatile screen drawing application built with WPF (Windows
 
 ### Move Shape
 - **Press ALT** -> with press alt you can move objects.
+
+### Screenshot
+- **Ctrl + Shift + P** -> Take a screen shot and save it is appDirectory/Screenshots/
 ---
 
 ## Getting Started

src/Riter/App.xaml.cs

@@ -7,6 +7,7 @@
 using Riter.Services;
 using Riter.ViewModel;
 using Riter.ViewModel.Handlers;
+using Riter.ViewModel.StateHandlers.Interfaces;
 
 namespace Riter;
 
@@ -62,6 +63,7 @@ private static void ConfigureServices(ServiceCollection serviceCollection)
         serviceCollection.AddSingleton<IHighlighterStateHandler, HighlighterStateHandler>();
         serviceCollection.AddSingleton<ISettingPanelStateHandler, SettingsPanelStateHandler>();
         serviceCollection.AddSingleton<IButtonSelectedStateHandler, ButtonSelectedStateHandler>();
+        serviceCollection.AddSingleton<IScreenShotHandler, ScreenShotHandler>();
 
         serviceCollection.AddScoped<IShapeDrawer, LineDrawer>();
         serviceCollection.AddScoped<IShapeDrawer, CircleDrawer>();
@@ -79,6 +81,7 @@ private static void ConfigureServices(ServiceCollection serviceCollection)
         serviceCollection.AddSingleton<StrokeVisibilityViewModel>();
         serviceCollection.AddSingleton<InkEditingModeViewModel>();
         serviceCollection.AddSingleton<StartupLocationViewModel>();
+        serviceCollection.AddSingleton<ScreenShotViewModel>();
         serviceCollection.AddSingleton<PaletteStateOrchestratorViewModel>();
 
         serviceCollection.AddTransient(typeof(MainWindow));

src/Riter/Core/HotKey/HotKey.cs

@@ -32,6 +32,8 @@ public enum HotKey
     Rectangle = 3,
     Database = 4,
     Line = 5,
+
+    ScreenShot = 6000,
 }
 
 public record struct HotKeiesPressed(string Key, bool CtrlPressed, bool ShiftPressed);

src/Riter/Core/IO/FileStorage.cs

@@ -1,5 +1,6 @@
 using System.IO;
 using System.Text.Json;
+using System.Windows.Media.Imaging;
 
 namespace Riter.Core.IO;
 public class FileStorage
@@ -11,4 +12,25 @@ public static async Task SaveConfig(AppSettings settings)
         var content = JsonSerializer.Serialize(new { AppSettings = settings });
         await File.WriteAllTextAsync(FilePath, content);
     }
+
+    public static void SaveScreenshot(RenderTargetBitmap renderBitmap)
+    {
+        try
+        {
+            var path = $"{Directory.GetCurrentDirectory()}/Screenshots/";
+            if (!Directory.Exists(path))
+            {
+                Directory.CreateDirectory(path);
+            }
+
+            var filePath = Path.Combine(path, $"Screenshot_{DateTime.Now:yyyyMMddHHmmss}.png");
+            using FileStream fileStream = new(filePath, FileMode.Create);
+            PngBitmapEncoder encoder = new();
+            encoder.Frames.Add(BitmapFrame.Create(renderBitmap));
+            encoder.Save(fileStream);
+        }
+        catch
+        {
+        }
+    }
 }

src/Riter/MainWindow.xaml

@@ -47,7 +47,6 @@
                         </Border.Effect>
                         <subpanel:StrokeSizePanel x:Name="StrokeSizePanel"/>
                     </Border>
-
                     <Border Visibility="{Binding SettingPanelViewModel.ColorPanelVisibility}"
                              Padding="8,8" HorizontalAlignment="Left"
                              Margin="8,0,0,8" VerticalAlignment="Bottom"
@@ -63,10 +62,8 @@
                 <StackPanel Orientation="Horizontal"
                         HorizontalAlignment="Center"
                         MinWidth="0" Name="ToolboxContainer">
-
                     <local:ToolBox x:Name="ToolBox" DataContext="{Binding}"/>
                     <local:WindowControl x:Name="WindowControl"/>
-
                 </StackPanel>
             </StackPanel>
         </Canvas>

src/Riter/MainWindow.xaml.cs

@@ -1,9 +1,5 @@
 using System.Diagnostics;
 using System.Runtime.InteropServices;
-using System.Windows.Ink;
-using Riter.Core.Drawing;
-using Riter.Core.Interfaces;
-using Riter.Core.UI;
 using Riter.Core.WindowExtensions;
 using Riter.ViewModel;
 

src/Riter/Riter.csproj

@@ -6,7 +6,7 @@
         <Nullable>disable</Nullable>
         <ImplicitUsings>enable</ImplicitUsings>
         <UseWPF>true</UseWPF>
-        <AssemblyVersion>0.2.6</AssemblyVersion>
+        <AssemblyVersion>0.2.7</AssemblyVersion>
         <RuntimeIdentifier>win-x64</RuntimeIdentifier>
     </PropertyGroup>
     <PropertyGroup>

src/Riter/Services/HotKeyCommandMapper.cs

@@ -35,5 +35,6 @@ public static class HotKeyCommandMapper
             { HotKey.Circle, () => viewModel.DrawingViewModel.DrawShapeCommand.Execute(DrawingShape.Circle) },
             { HotKey.Database, () => viewModel.DrawingViewModel.DrawShapeCommand.Execute(DrawingShape.Database) },
             { HotKey.Line, () => viewModel.DrawingViewModel.DrawShapeCommand.Execute(DrawingShape.Line) },
+            { HotKey.ScreenShot, () => viewModel.ScreenShotViewModel.TakeCommand.Execute(null) },
     };
 }

src/Riter/Services/HotkeyCommandService.cs

@@ -6,10 +6,7 @@ public class HotKeyCommandService(AppSettings appSettings)
     private readonly AppSettings _appSettings = appSettings;
     private Dictionary<HotKey, Action> _hotKeyCommandMap;
 
-    public void InitializeCommands(Dictionary<HotKey, Action> commandMap)
-    {
-        _hotKeyCommandMap = commandMap;
-    }
+    public void InitializeCommands(Dictionary<HotKey, Action> commandMap) => _hotKeyCommandMap = commandMap;
 
     public void ExecuteHotKey(HotKeiesPressed hotKeies)
     {

src/Riter/ViewModel/PaletteStateOrchestratorViewModel.cs

@@ -18,8 +18,10 @@ public PaletteStateOrchestratorViewModel(
         SettingPanelViewModel settingPanelViewModel,
         ButtonSelectedViewModel buttonSelectedViewModel,
         StartupLocationViewModel startupLocationViewModel,
-        HotKeyCommandService hotKeyCommandService)
+        HotKeyCommandService hotKeyCommandService,
+        ScreenShotViewModel screenShotViewModel)
     {
+        ScreenShotViewModel = screenShotViewModel;
         DrawingViewModel = drawingViewModel;
         StrokeVisibilityViewModel = strokeVisibilityViewModel;
         StrokeHistoryViewModel = strokeHistoryViewModel;
@@ -54,6 +56,8 @@ public PaletteStateOrchestratorViewModel(
 
     public StartupLocationViewModel StartupLocationViewModel { get; }
 
+    public ScreenShotViewModel ScreenShotViewModel { get; }
+
     public DrawingAttributes InkDrawingAttributes =>
         DrawingAttributesFactory.CreateDrawingAttributes(
             BrushSettingsViewModel.InkColor,