public Mat GetBufferBgrSingle(Size size, int index)
{
if (_bgrSingleBuffers == null)
{
_bgrSingleBuffers = new ImageBufferFactory <Mat>(s => new Mat(s.Height, s.Width, DepthType.Cv8U, 3));
}
return(_bgrSingleBuffers.GetBuffer(size, index));
}
public Mat GetBufferGray(Size size, int index)
{
if (_grayBuffers == null)
{
_grayBuffers = new ImageBufferFactory <Mat>(s => new Mat(s.Height, s.Width, DepthType.Cv8U, 1));
}
return(_grayBuffers.GetBuffer(size, index));
}
protected override void OnDraw(Android.Graphics.Canvas canvas)
{
base.OnDraw(canvas);
lock (this)
{
Image <Bgr, byte> image = _bgrBuffers.GetBuffer(0);
if (image != null && !_imageSize.IsEmpty && canvas != null)
{
Stopwatch w = Stopwatch.StartNew();
if ((_bmpImage != null) && (!_imageSize.Equals(_bmpImage.Size)))
{
_bmpImage.Dispose();
_bmpImage = null;
_bmp.Dispose();
_bmp = null;
}
if (_bmpImage == null)
{
_bmp = Android.Graphics.Bitmap.CreateBitmap(_imageSize.Width, _imageSize.Height, Android.Graphics.Bitmap.Config.Rgb565);
_bmpImage = new BitmapRgb565Image(_bmp);
}
_bmpImage.ConvertFrom(image);
canvas.DrawBitmap(_bmp, 0, 0, _paint);
w.Stop();
_watch.Stop();
#if DEBUG
canvas.DrawText(String.Format("{0:F2} FPS; {1}x{2}; Render Time: {3} ms",
1.0 / _watch.ElapsedMilliseconds * 1000,
_imageSize.Width,
_imageSize.Height,
w.ElapsedMilliseconds), 20, 20, _paint);
#endif
_watch.Reset();
_watch.Start();
}
}
}
