private void Draw(int width, int height, int currentFrame)
{
try
{
var image = imageLogic.Draw(width, height, recorderLogic.Records, currentFrame);
if (image != null)
{
Dispatcher.Invoke(() =>
{
try
{
var bmp = new WriteableBitmap(image.Width, image.Height, image.Metadata.HorizontalResolution, image.Metadata.VerticalResolution, PixelFormats.Bgra32, null);
bmp.Lock();
try
{
var backBuffer = bmp.BackBuffer;
for (var y = 0; y < image.Height; y++)
{
var buffer = image.GetPixelRowSpan(y);
for (var x = 0; x < image.Width; x++)
{
var backBufferPos = backBuffer + (y * image.Width + x) * 4;
var rgba = buffer[x];
var color = rgba.A << 24 | rgba.R << 16 | rgba.G << 8 | rgba.B;
Marshal.WriteInt32(backBufferPos, color);
}
}
bmp.AddDirtyRect(new Int32Rect(0, 0, image.Width, image.Height));
}
finally
{
bmp.Unlock();
ImageChart.Source = bmp;
}
}
catch (Exception ex)
{
#if DEBUG
logger.LogError(ex, "Cannot convert to WriteableBitmap");
#endif
}
finally
{
image.Dispose();
}
});
}
}
catch (Exception ex)
{
#if DEBUG
logger.LogError(ex, "Cannot draw");
#endif
}
}
