public void onImageResults(Dictionary <int, Affdex.Face> faces, Affdex.Frame frame)
{
process_fps = 1.0f / (frame.getTimestamp() - process_last_timestamp);
process_last_timestamp = frame.getTimestamp();
System.Console.WriteLine(" pfps: {0}", process_fps.ToString());
byte[] pixels = frame.getBGRByteArray();
this.img = new Bitmap(frame.getWidth(), frame.getHeight(), PixelFormat.Format24bppRgb);
var bounds = new Rectangle(0, 0, frame.getWidth(), frame.getHeight());
BitmapData bmpData = img.LockBits(bounds, ImageLockMode.WriteOnly, img.PixelFormat);
IntPtr ptr = bmpData.Scan0;
int data_x = 0;
int ptr_x = 0;
int row_bytes = frame.getWidth() * 3;
// The bitmap requires bitmap data to be byte aligned.
// http://stackoverflow.com/questions/20743134/converting-opencv-image-to-gdi-bitmap-doesnt-work-depends-on-image-size
for (int y = 0; y < frame.getHeight(); y++)
{
Marshal.Copy(pixels, data_x, ptr + ptr_x, row_bytes);
data_x += row_bytes;
ptr_x += bmpData.Stride;
}
img.UnlockBits(bmpData);
this.faces = faces;
//rwLock.ReleaseWriterLock();
this.Invalidate();
frame.Dispose();
}
public void onImageCapture(Affdex.Frame frame)
{
#region 使用一下代码测试帧捕获的图片是否可以正常生成图片，如果不能则是输入给帧的像素的数组有问题
var len = frame.getBGRByteArrayLength();
byte[] imageData = frame.getBGRByteArray();//这里捕获的数据 不同于生成该frame时的buff 并且是3通道的数据
int width = frame.getWidth();
int height = frame.getHeight();
var ColorFormat = frame.getColorFormat();
if (imageData != null && imageData.Length > 0)
{
var _stride = (width * System.Windows.Media.PixelFormats.Rgb24.BitsPerPixel + 7) / 8;
var imageSrc = System.Windows.Media.Imaging.BitmapSource.Create(width, height, 96d, 96d, System.Windows.Media.PixelFormats.Bgr24,
null, imageData, _stride);
System.Windows.Media.Imaging.BitmapEncoder encoder = new System.Windows.Media.Imaging.PngBitmapEncoder();
encoder.Frames.Add(System.Windows.Media.Imaging.BitmapFrame.Create(imageSrc));
using (var stream =
new System.IO.FileStream(System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory,
"我是分析前图片.png"), System.IO.FileMode.Create))
{
encoder.Save(stream);
}
}
#endregion
}
private void DrawCapturedImage(Affdex.Frame image)
{
var result = this.Dispatcher.BeginInvoke((Action)(() =>
{
try
{
cameraDisplay.Source = ConstructImage(image.getBGRByteArray(), image.getWidth(), image.getHeight());
if (++DrawSkipCount > 4)
{
canvas.Faces = new Dictionary <int, Affdex.Face>();
canvas.InvalidateVisual();
DrawSkipCount = 0;
}
if (image != null)
{
image.Dispose();
}
}
catch (Exception ex)
{
String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
ShowExceptionAndShutDown(message);
}
}));
}
private void DrawData(Affdex.Frame image, Dictionary <int, Affdex.Face> faces)
{
try
{
if (faces != null)
{
var result = this.Dispatcher.BeginInvoke((Action)(() =>
{
if ((Detector != null) && (Detector.isRunning()))
{
canvas.Faces = faces;
canvas.Width = cameraDisplay.ActualWidth;
canvas.Height = cameraDisplay.ActualHeight;
canvas.XScale = canvas.Width / image.getWidth();
canvas.YScale = canvas.Height / image.getHeight();
canvas.InvalidateVisual();
DrawSkipCount = 0;
}
}));
}
}
catch (Exception ex)
{
String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
ShowExceptionAndShutDown(message);
}
}
/// <summary>
/// Handles the Image capture from source produced by Affdex.Detector
/// </summary>
/// <param name="image">The <see cref="Affdex.Frame"/> instance containing the image captured from camera.</param>
public void onImageCapture(Affdex.Frame frame)
{
byte[] imageData = frame.getBGRByteArray();
int width = frame.getWidth();
int height = frame.getHeight();
try
{
if (imageData != null && imageData.Length > 0)
{
var stride = (width * PixelFormats.Bgr24.BitsPerPixel + 7) / 8;
var imageSrc = BitmapSource.Create(width, height, 96d, 96d, PixelFormats.Bgr24, null, imageData, stride);
SaveImageToFile(imageSrc, System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, frame.getTimestamp().ToString() + ".png"));
}
}
catch (Exception ex)
{
}
}
/// <summary>
/// Draws the image captured from the camera.
/// </summary>
/// <param name="image">The image captured.</param>
private void DrawCapturedImage(Affdex.Frame image)
{
// Update the Image control from the UI thread
try
{
// Update the Image control from the UI thread
//cameraDisplay.Source = rtb;
pictureBox1.Image = BitmapFromSource(ConstructImage(image.getBGRByteArray(), image.getWidth(), image.getHeight()));
// Allow N successive OnCapture callbacks before the FacePoint drawing canvas gets cleared.
if (image != null)
{
image.Dispose();
}
}
catch (Exception ex)
{
String message = String.IsNullOrEmpty(ex.Message) ? "AffdexMe error encountered." : ex.Message;
// ShowExceptionAndShutDown(message);
}
}