mirror of
https://github.com/ppy/osu.git
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157 lines
5.4 KiB
C#
157 lines
5.4 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using osu.Framework.Allocation;
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using osu.Framework.Audio;
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using osu.Framework.Audio.Sample;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Input;
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using osu.Framework.Input.Bindings;
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using osu.Framework.Platform;
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using osu.Framework.Threading;
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using osu.Game.Configuration;
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using osu.Game.Input.Bindings;
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using osu.Game.Overlays;
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using osu.Game.Overlays.Notifications;
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using SixLabors.ImageSharp;
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namespace osu.Game.Graphics
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{
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public class ScreenshotManager : Container, IKeyBindingHandler<GlobalAction>, IHandleGlobalKeyboardInput
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{
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private readonly BindableBool cursorVisibility = new BindableBool(true);
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/// <summary>
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/// Changed when screenshots are being or have finished being taken, to control whether cursors should be visible.
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/// If cursors should not be visible, cursors have 3 frames to hide themselves.
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/// </summary>
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public IBindable<bool> CursorVisibility => cursorVisibility;
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private Bindable<ScreenshotFormat> screenshotFormat;
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private Bindable<bool> captureMenuCursor;
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private GameHost host;
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private Storage storage;
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private NotificationOverlay notificationOverlay;
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private SampleChannel shutter;
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[BackgroundDependencyLoader]
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private void load(GameHost host, OsuConfigManager config, Storage storage, NotificationOverlay notificationOverlay, AudioManager audio)
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{
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this.host = host;
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this.storage = storage.GetStorageForDirectory(@"screenshots");
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this.notificationOverlay = notificationOverlay;
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screenshotFormat = config.GetBindable<ScreenshotFormat>(OsuSetting.ScreenshotFormat);
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captureMenuCursor = config.GetBindable<bool>(OsuSetting.ScreenshotCaptureMenuCursor);
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shutter = audio.Samples.Get("UI/shutter");
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}
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public bool OnPressed(GlobalAction action)
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{
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switch (action)
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{
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case GlobalAction.TakeScreenshot:
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shutter.Play();
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TakeScreenshotAsync();
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return true;
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}
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return false;
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}
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public bool OnReleased(GlobalAction action) => false;
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private volatile int screenShotTasks;
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public Task TakeScreenshotAsync() => Task.Run(async () =>
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{
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Interlocked.Increment(ref screenShotTasks);
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if (!captureMenuCursor.Value)
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{
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cursorVisibility.Value = false;
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// We need to wait for at most 3 draw nodes to be drawn, following which we can be assured at least one DrawNode has been generated/drawn with the set value
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const int frames_to_wait = 3;
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int framesWaited = 0;
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using (var framesWaitedEvent = new ManualResetEventSlim(false))
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{
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ScheduledDelegate waitDelegate = host.DrawThread.Scheduler.AddDelayed(() =>
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{
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if (framesWaited++ < frames_to_wait)
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// ReSharper disable once AccessToDisposedClosure
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framesWaitedEvent.Set();
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}, 10, true);
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framesWaitedEvent.Wait();
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waitDelegate.Cancel();
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}
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}
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using (var image = await host.TakeScreenshotAsync())
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{
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if (Interlocked.Decrement(ref screenShotTasks) == 0 && cursorVisibility.Value == false)
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cursorVisibility.Value = true;
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var fileName = getFileName();
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if (fileName == null) return;
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var stream = storage.GetStream(fileName, FileAccess.Write);
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switch (screenshotFormat.Value)
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{
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case ScreenshotFormat.Png:
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image.SaveAsPng(stream);
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break;
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case ScreenshotFormat.Jpg:
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image.SaveAsJpeg(stream);
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break;
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default:
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throw new InvalidOperationException($"Unknown enum member {nameof(ScreenshotFormat)} {screenshotFormat.Value}.");
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}
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notificationOverlay.Post(new SimpleNotification
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{
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Text = $"{fileName} saved!",
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Activated = () =>
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{
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storage.OpenInNativeExplorer();
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return true;
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}
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});
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}
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});
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private string getFileName()
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{
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var dt = DateTime.Now;
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var fileExt = screenshotFormat.ToString().ToLowerInvariant();
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var withoutIndex = $"osu_{dt:yyyy-MM-dd_HH-mm-ss}.{fileExt}";
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if (!storage.Exists(withoutIndex))
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return withoutIndex;
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for (ulong i = 1; i < ulong.MaxValue; i++)
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{
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var indexedName = $"osu_{dt:yyyy-MM-dd_HH-mm-ss}-{i}.{fileExt}";
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if (!storage.Exists(indexedName))
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return indexedName;
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}
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return null;
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}
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}
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}
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