Taking screenshot support initial commit

osu.Game/Configuration/OsuConfigManager.cs

@@ -82,6 +82,8 @@ protected override void InitialiseDefaults()
             Set(OsuSetting.ReleaseStream, ReleaseStream.Lazer);
 
             Set(OsuSetting.Version, string.Empty);
+
+            Set(OsuSetting.ScreenshotFormat, ScreenshotFormat.Png);
         }
 
         public OsuConfigManager(Storage storage) : base(storage)
@@ -125,6 +127,7 @@ public enum OsuSetting
         Version,
         ShowConvertedBeatmaps,
         SpeedChangeVisualisation,
-        Skin
+        Skin,
+        ScreenshotFormat
     }
 }

osu.Game/Input/Bindings/GlobalActionContainer.cs

@@ -26,6 +26,8 @@ public GlobalActionContainer(OsuGameBase game)
         {
             new KeyBinding(InputKey.F8, GlobalAction.ToggleChat),
             new KeyBinding(InputKey.F9, GlobalAction.ToggleSocial),
+            new KeyBinding(InputKey.F12,GlobalAction.TakeScreenshot),
+
             new KeyBinding(new[] { InputKey.Control, InputKey.Alt, InputKey.R }, GlobalAction.ResetInputSettings),
             new KeyBinding(new[] { InputKey.Control, InputKey.T }, GlobalAction.ToggleToolbar),
             new KeyBinding(new[] { InputKey.Control, InputKey.O }, GlobalAction.ToggleSettings),
@@ -66,6 +68,8 @@ public enum GlobalAction
         DecreaseVolume,
         [Description("Toggle mute")]
         ToggleMute,
+        [Description("Take screenshot")]
+        TakeScreenshot,
 
         // In-Game Keybindings
         [Description("Skip Cutscene")]

osu.Game/OsuGame.cs

@@ -3,6 +3,8 @@
 
 using System;
 using System.Collections.Generic;
+using System.Drawing.Imaging;
+using System.IO;
 using osu.Framework.Configuration;
 using osu.Framework.Screens;
 using osu.Game.Configuration;
@@ -83,6 +85,8 @@ private Intro intro
 
         private Bindable<int> configSkin;
 
+        private Bindable<ScreenshotFormat> screenshotFormat;
+
         private readonly string[] args;
 
         private SettingsOverlay settings;
@@ -134,6 +138,8 @@ private void load(FrameworkConfigManager frameworkConfig)
             // bind config int to database SkinInfo
             configSkin = LocalConfig.GetBindable<int>(OsuSetting.Skin);
 
+            screenshotFormat = LocalConfig.GetBindable<ScreenshotFormat>(OsuSetting.ScreenshotFormat);
+
             SkinManager.CurrentSkinInfo.ValueChanged += s => configSkin.Value = s.ID;
             configSkin.ValueChanged += id => SkinManager.CurrentSkinInfo.Value = SkinManager.Query(s => s.ID == id) ?? SkinInfo.Default;
             configSkin.TriggerChange();
@@ -432,11 +438,47 @@ public bool OnPressed(GlobalAction action)
                 case GlobalAction.ToggleDirect:
                     direct.ToggleVisibility();
                     return true;
+                case GlobalAction.TakeScreenshot:
+                    if (Window.ScreenshotTakenAction == null)
+                        Window.ScreenshotTakenAction = (screenshotBitmap) =>
+                        {
+                            var fileName = getScreenshotFileName(screenshotFormat);
+
+                            switch (screenshotFormat.Value)
+                            {
+                                case ScreenshotFormat.Bmp:
+                                    screenshotBitmap.Save(fileName, ImageFormat.Bmp);
+                                    break;
+                                case ScreenshotFormat.Png:
+                                    screenshotBitmap.Save(fileName, ImageFormat.Png);
+                                    break;
+                                case ScreenshotFormat.Jpg:
+                                    screenshotBitmap.Save(fileName, ImageFormat.Jpeg);
+                                    break;
+                                default:
+                                    throw new ArgumentOutOfRangeException(nameof(screenshotFormat));
+                            }
+                        };
+
+                    RequestScreenshot();
+                    return true;
             }
 
             return false;
         }
 
+        private string getScreenshotFileName(ScreenshotFormat screenshotFormat)
+        {
+            // TODO Change screenshots location
+            var baseDirectory = new DirectoryInfo(AppDomain.CurrentDomain.BaseDirectory);
+            var screenshotsDirectory = baseDirectory.CreateSubdirectory("Screenshots");
+
+            var screenshotExtension = screenshotFormat.ToString().ToLower();
+            var screenshots = screenshotsDirectory.GetFiles($"*.{screenshotExtension}");
+
+            return Path.Combine(screenshotsDirectory.FullName, $"screenshot{screenshots.Length + 1}.{screenshotExtension}");
+        }
+
         private readonly BindableDouble inactiveVolumeAdjust = new BindableDouble();
 
         protected override void OnDeactivated()

osu.Game/Overlays/Settings/Sections/Graphics/DetailSettings.cs

@@ -1,6 +1,7 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 using osu.Framework.Allocation;
+using osu.Framework.Graphics;
 using osu.Game.Configuration;
 
 namespace osu.Game.Overlays.Settings.Sections.Graphics
@@ -12,7 +13,7 @@ public class DetailSettings : SettingsSubsection
         [BackgroundDependencyLoader]
         private void load(OsuConfigManager config)
         {
-            Children = new[]
+            Children = new Drawable[]
             {
                 new SettingsCheckbox
                 {
@@ -24,6 +25,11 @@ private void load(OsuConfigManager config)
                     LabelText = "Rotate cursor when dragging",
                     Bindable = config.GetBindable<bool>(OsuSetting.CursorRotation)
                 },
+                new SettingsEnumDropdown<ScreenshotFormat>()
+                {
+                    LabelText = "Screenshot format",
+                    Bindable = config.GetBindable<ScreenshotFormat>(OsuSetting.ScreenshotFormat)
+                }
             };
         }
     }

osu.Game/osu.Game.csproj

@@ -187,6 +187,7 @@
     <Reference Include="System.Diagnostics.DiagnosticSource, Version=4.0.2.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\System.Diagnostics.DiagnosticSource.4.4.1\lib\net46\System.Diagnostics.DiagnosticSource.dll</HintPath>
     </Reference>
+    <Reference Include="System.Drawing" />
     <Reference Include="System.Interactive.Async, Version=3.0.3000.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
       <HintPath>$(SolutionDir)\packages\System.Interactive.Async.3.1.1\lib\net46\System.Interactive.Async.dll</HintPath>
     </Reference>