Dispenser/DispenserCommon/Queue/BitmapQueue.cs

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C#
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2024-08-16 07:20:09 +00:00
using System.Collections.Concurrent;
using System.Drawing;
namespace DispenserCommon.Queue;
public class BitmapQueue
{
private bool _isProcessing;
private readonly ConcurrentQueue<Bitmap> _queue = new();
private readonly Action<Bitmap> ImageProcessor;
public BitmapQueue(Delegate @delegate)
{
ImageProcessor = (Action<Bitmap>)@delegate;
;
}
public void Clear()
{
_queue.Clear();
}
// 将BitmapItem加入队列
public void Enqueue(Bitmap item)
{
_queue.Enqueue(item);
StartProcessing(); // 尝试开始处理(如果尚未开始)
}
// 开始处理队列中的BitmapItem
private void StartProcessing()
{
if (_isProcessing) return;
_isProcessing = true;
Task.Run(ProcessQueue).ContinueWith(t =>
{
// 处理完成后的逻辑(如果有的话)
_isProcessing = false;
});
}
// 异步处理队列
private async Task ProcessQueue()
{
while (_queue.TryDequeue(out var item))
try
{
// 这里处理Bitmap例如保存、修改等
await ProcessBitmapAsync(item);
}
finally
{
// 确保释放资源
item.Dispose();
}
}
private Task ProcessBitmapAsync(Bitmap item)
{
return Task.Run(() => { ImageProcessor(item); });
}
}