/// <summary>
/// 定时获取图片生成 GIF 文件
/// </summary>
/// <param name="filename">输出 GIF 文件名</param>
/// <param name="getBitmap">获取图片委托</param>
/// <param name="width">图片最大高度</param>
/// <param name="height">图片最大宽度</param>
/// <param name="interval">截屏定时毫秒数</param>
/// <param name="maxPixel">最大色彩深度</param>
/// <param name="isWaitFinally">释放资源是否等待 GIF 文件处理结束</param>
public TimerWriter(string filename, Func <Bitmap> getBitmap, int width, int height, int interval = 40, byte maxPixel = 8, bool isWaitFinally = true)
{
if (getBitmap == null)
{
throw new ArgumentNullException();
}
if (width <= 0)
{
throw new IndexOutOfRangeException("width");
}
if (height <= 0)
{
throw new IndexOutOfRangeException("height");
}
this.getBitmap = getBitmap;
this.maxPixel = (byte)(maxPixel - 2) < 8 ? maxPixel : (byte)8;
bitmapQueue = new BitmapInfo.YieldQueue(new BitmapInfo());
gif = new FileWriter(filename, (short)width, (short)height);
this.interval = interval < 40 ? 40 : interval;
bitmapWait.Set(0);
if (this.isWaitFinally = isWaitFinally)
{
finallyWait.Set(0);
}
timer = new System.Threading.Timer(onTimer, this, interval, interval);
onTimer(null);
AutoCSer.Threading.ThreadPool.TinyBackground.Start(write);
}
