public ProcessedCameraPreview(Activity activity, bool cameraPreviewCallbackWithBuffer)
: base(activity)
{
_cameraPreviewCallbackWithBuffer = cameraPreviewCallbackWithBuffer;
_paint = new Paint();
_paint.SetStyle(Paint.Style.Stroke);
_paint.SetARGB(255, 255, 0, 0);
_paint.TextSize = 25;
using (Image<Bgr, Byte> img = new Image<Bgr, byte>(4, 8))
{
}
_watch = Stopwatch.StartNew();
_bgrBuffers = new ImageBufferFactory<Image<Bgr, byte>>( size => new Image<Bgr, Byte>(size) );
}
protected override void DisposeObject()
{
if (_bgrBuffers != null)
{
_bgrBuffers.Dispose();
_bgrBuffers = null;
}
if (_grayBuffers != null)
{
_grayBuffers.Dispose();
_grayBuffers = null;
}
if (_bgrSingleBuffers != null)
{
_bgrSingleBuffers.Dispose();
_bgrSingleBuffers = null;
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
RequestWindowFeature(WindowFeatures.NoTitle);
bool cameraPreviewCallbackWithBuffer = false;
SetContentView(Resource.Layout.CameraPreviewLayout);
_bgrBuffers = new ImageBufferFactory <Mat>(size => new Mat(size.Height, size.Width, DepthType.Cv8U, 3));
_previewBitmapBuffers = new ImageBufferFactory <Android.Graphics.Bitmap>(s => Android.Graphics.Bitmap.CreateBitmap(s.Width, s.Height, Android.Graphics.Bitmap.Config.Rgb565));
_topLayer = new ProcessedCameraPreview(this, cameraPreviewCallbackWithBuffer);
_topLayer.PictureTaken += this.PictureTaken;
_topLayer.ImagePreview += this.ImagePreview;
_preview = new CameraPreview(this, _topLayer, cameraPreviewCallbackWithBuffer);
RelativeLayout mainLayout = FindViewById <RelativeLayout>(Resource.Id.CameraPreiewRelativeLayout);
mainLayout.AddView(_preview, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent));
mainLayout.AddView(_topLayer, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent));
#if GL_VIEW
_topLayer.SetZOrderOnTop(true);
#endif
RequestedOrientation = Android.Content.PM.ScreenOrientation.Landscape;
ImageButton switchCameraButton = FindViewById <ImageButton>(Resource.Id.CameraPreviewSwitchCameraImageButton);
if (Camera.NumberOfCameras <= 1)
{
switchCameraButton.Visibility = ViewStates.Invisible;
}
else
{
switchCameraButton.BringToFront();
}
switchCameraButton.Click += delegate
{
_preview.SwitchCamera();
};
ImageButton captureImageButton = FindViewById <ImageButton>(Resource.Id.CameraPreviewCaptureImageButton);
captureImageButton.Click += delegate
{
Camera camera = _preview.Camera;
if (camera != null)
{
Camera.Parameters p = camera.GetParameters();
p.PictureFormat = Android.Graphics.ImageFormatType.Jpeg;
//p.PictureFormat = Android.Graphics.ImageFormatType.Rgb565;
camera.SetParameters(p);
camera.TakePicture(null, null, _topLayer);
}
};
_lastCapturedImageButton = FindViewById <ImageButton>(Resource.Id.capturedImageButton);
_lastCapturedImageButton.Click += delegate
{
if (_lastSavedImageFile != null)
{
Intent intent = new Intent(Intent.ActionView, Android.Net.Uri.FromFile(new Java.IO.File(_lastSavedImageFile.FullName)));
intent.SetType("image/jpeg");
StartActivity(intent);
}
};
_lastCapturedImageButton.BringToFront();
_previewButtons = new ImageButton[4];
_previewFilters = new ImageFilter[4];
_previewButtons[0] = FindViewById <ImageButton>(Resource.Id.previewImageButton);
_previewFilters[0] = null;
_previewButtons[0].Click += delegate
{
if (_imageFilter != null)
{
_imageFilter.Dispose();
_imageFilter = null;
}
};
_previewButtons[1] = FindViewById <ImageButton>(Resource.Id.cannyImageButton);
_previewFilters[1] = new CannyFilter(100, 60, 3);
_previewButtons[2] = FindViewById <ImageButton>(Resource.Id.colorMapImageButton);
_previewFilters[2] = new ColorMapFilter(Emgu.CV.CvEnum.ColorMapType.Autumn);
//_previewFilters[3] = new ColorMapFilter(Emgu.CV.CvEnum.ColorMapType.Summer);
//_previewFilters[3] = null;
_previewButtons[3] = FindViewById <ImageButton>(Resource.Id.distorImageButton);
_previewFilters[3] = new DistorFilter(0.5, 0.5, -1.5);
for (int i = 1; i < _previewButtons.Length; ++i)
{
ImageFilter f = _previewFilters[i];
_previewButtons[i].Click += delegate
{
if (_imageFilter != null)
{
_imageFilter.Dispose();
}
_imageFilter = f.Clone() as ImageFilter;
};
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
RequestWindowFeature(WindowFeatures.NoTitle);
bool cameraPreviewCallbackWithBuffer = false;
SetContentView(Resource.Layout.CameraPreviewLayout);
_bgrBuffers = new ImageBufferFactory<Mat>(size => new Mat(size.Height, size.Width, DepthType.Cv8U, 3));
_previewBitmapBuffers = new ImageBufferFactory<Android.Graphics.Bitmap>(s => Android.Graphics.Bitmap.CreateBitmap(s.Width, s.Height, Android.Graphics.Bitmap.Config.Rgb565));
_topLayer = new ProcessedCameraPreview(this, cameraPreviewCallbackWithBuffer);
_topLayer.PictureTaken += this.PictureTaken;
_topLayer.ImagePreview += this.ImagePreview;
_preview = new CameraPreview(this, _topLayer, cameraPreviewCallbackWithBuffer);
RelativeLayout mainLayout = FindViewById<RelativeLayout>(Resource.Id.CameraPreiewRelativeLayout);
mainLayout.AddView(_preview, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FillParent, ViewGroup.LayoutParams.FillParent));
mainLayout.AddView(_topLayer, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FillParent, ViewGroup.LayoutParams.FillParent));
#if GL_VIEW
_topLayer.SetZOrderOnTop(true);
#endif
RequestedOrientation = Android.Content.PM.ScreenOrientation.Landscape;
ImageButton switchCameraButton = FindViewById<ImageButton>(Resource.Id.CameraPreviewSwitchCameraImageButton);
if (Camera.NumberOfCameras <= 1)
switchCameraButton.Visibility = ViewStates.Invisible;
else
{
switchCameraButton.BringToFront();
}
switchCameraButton.Click += delegate
{
_preview.SwitchCamera();
};
ImageButton captureImageButton = FindViewById<ImageButton>(Resource.Id.CameraPreviewCaptureImageButton);
captureImageButton.Click += delegate
{
Camera camera = _preview.Camera;
if (camera != null)
{
Camera.Parameters p = camera.GetParameters();
p.PictureFormat = Android.Graphics.ImageFormatType.Jpeg;
//p.PictureFormat = Android.Graphics.ImageFormatType.Rgb565;
camera.SetParameters(p);
camera.TakePicture(null, null, _topLayer);
}
};
_lastCapturedImageButton = FindViewById<ImageButton>(Resource.Id.capturedImageButton);
_lastCapturedImageButton.Click += delegate
{
if (_lastSavedImageFile != null)
{
Intent intent = new Intent(Intent.ActionView, Android.Net.Uri.FromFile(new Java.IO.File(_lastSavedImageFile.FullName)));
intent.SetType("image/jpeg");
StartActivity(intent);
}
};
_lastCapturedImageButton.BringToFront();
_previewButtons = new ImageButton[4];
_previewFilters = new ImageFilter[4];
_previewButtons[0] = FindViewById<ImageButton>(Resource.Id.previewImageButton);
_previewFilters[0] = null;
_previewButtons[0].Click += delegate
{
if (_imageFilter != null)
{
_imageFilter.Dispose();
_imageFilter = null;
}
};
_previewButtons[1] = FindViewById<ImageButton>(Resource.Id.cannyImageButton);
_previewFilters[1] = new CannyFilter(100, 60, 3);
_previewButtons[2] = FindViewById<ImageButton>(Resource.Id.colorMapImageButton);
_previewFilters[2] = new ColorMapFilter(Emgu.CV.CvEnum.ColorMapType.Autumn);
//_previewFilters[3] = new ColorMapFilter(Emgu.CV.CvEnum.ColorMapType.Summer);
//_previewFilters[3] = null;
_previewButtons[3] = FindViewById<ImageButton>(Resource.Id.distorImageButton);
_previewFilters[3] = new DistorFilter(0.5, 0.5, -1.5);
for (int i = 1; i < _previewButtons.Length; ++i)
{
ImageFilter f = _previewFilters[i];
_previewButtons[i].Click += delegate
{
if (_imageFilter != null)
_imageFilter.Dispose();
_imageFilter = f.Clone() as ImageFilter;
};
}
}
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);
}
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);
}
