mirror of
https://github.com/ShareX/ShareX.git
synced 2024-08-27 08:02:15 +12:00
120 lines
No EOL
3.3 KiB
C#
120 lines
No EOL
3.3 KiB
C#
#region License Information (GPL v3)
|
|
|
|
/*
|
|
ShareX - A program that allows you to take screenshots and share any file type
|
|
Copyright (c) 2007-2016 ShareX Team
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
Optionally you can also view the license at <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#endregion License Information (GPL v3)
|
|
|
|
using System;
|
|
using System.Collections.Concurrent;
|
|
using System.Drawing;
|
|
using System.Threading;
|
|
|
|
namespace ShareX.ScreenCaptureLib
|
|
{
|
|
public abstract class ImageCache : IDisposable
|
|
{
|
|
public bool IsWorking { get; protected set; }
|
|
public ScreencastOptions Options { get; set; }
|
|
|
|
protected Thread task;
|
|
protected BlockingCollection<Image> imageQueue;
|
|
|
|
public ImageCache()
|
|
{
|
|
imageQueue = new BlockingCollection<Image>();
|
|
}
|
|
|
|
public void AddImageAsync(Image img)
|
|
{
|
|
if (!IsWorking)
|
|
{
|
|
StartConsumerThread();
|
|
}
|
|
|
|
imageQueue.Add(img);
|
|
}
|
|
|
|
protected virtual void StartConsumerThread()
|
|
{
|
|
if (!IsWorking)
|
|
{
|
|
IsWorking = true;
|
|
|
|
task = new Thread(() =>
|
|
{
|
|
try
|
|
{
|
|
while (!imageQueue.IsCompleted)
|
|
{
|
|
Image img = null;
|
|
|
|
try
|
|
{
|
|
img = imageQueue.Take();
|
|
|
|
if (img != null)
|
|
{
|
|
//using (new DebugTimer("WriteFrame"))
|
|
WriteFrame(img);
|
|
}
|
|
}
|
|
catch (InvalidOperationException)
|
|
{
|
|
}
|
|
finally
|
|
{
|
|
if (img != null) img.Dispose();
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
IsWorking = false;
|
|
}
|
|
});
|
|
|
|
task.Start();
|
|
}
|
|
}
|
|
|
|
protected abstract void WriteFrame(Image img);
|
|
|
|
public void Finish()
|
|
{
|
|
if (IsWorking)
|
|
{
|
|
imageQueue.CompleteAdding();
|
|
task.Join();
|
|
}
|
|
|
|
Dispose();
|
|
}
|
|
|
|
public virtual void Dispose()
|
|
{
|
|
if (imageQueue != null)
|
|
{
|
|
imageQueue.Dispose();
|
|
}
|
|
}
|
|
}
|
|
} |