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120 lines
No EOL
3.3 KiB
C#
120 lines
No EOL
3.3 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2018 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using System;
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using System.Collections.Concurrent;
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using System.Drawing;
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using System.Threading;
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namespace ShareX.ScreenCaptureLib
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{
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public abstract class ImageCache : IDisposable
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{
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public bool IsWorking { get; protected set; }
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public ScreencastOptions Options { get; set; }
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protected Thread task;
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protected BlockingCollection<Image> imageQueue;
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public ImageCache()
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{
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imageQueue = new BlockingCollection<Image>();
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}
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public void AddImageAsync(Image img)
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{
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if (!IsWorking)
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{
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StartConsumerThread();
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}
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imageQueue.Add(img);
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}
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protected virtual void StartConsumerThread()
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{
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if (!IsWorking)
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{
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IsWorking = true;
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task = new Thread(() =>
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{
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try
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{
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while (!imageQueue.IsCompleted)
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{
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Image img = null;
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try
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{
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img = imageQueue.Take();
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if (img != null)
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{
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//using (new DebugTimer("WriteFrame"))
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WriteFrame(img);
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}
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}
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catch (InvalidOperationException)
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{
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}
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finally
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{
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if (img != null) img.Dispose();
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}
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}
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}
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finally
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{
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IsWorking = false;
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}
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});
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task.Start();
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}
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}
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protected abstract void WriteFrame(Image img);
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public void Finish()
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{
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if (IsWorking)
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{
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imageQueue.CompleteAdding();
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task.Join();
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}
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Dispose();
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}
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public virtual void Dispose()
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{
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if (imageQueue != null)
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{
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imageQueue.Dispose();
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}
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}
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}
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} |