public static void GetBitmap(this Android.Views.View view, System.Action <Android.Graphics.Bitmap> callback)
{
var window = Settings.Activity.Window;
var bitmap = Android.Graphics.Bitmap.CreateBitmap(view.Width, view.Height, Android.Graphics.Bitmap.Config.Argb8888);
var locationInWindow = new int[2];
view.GetLocationInWindow(locationInWindow);
try
{
var rect = new Android.Graphics.Rect(locationInWindow[0], locationInWindow[1], locationInWindow[0] + view.Width, locationInWindow[1] + view.Height);
PixelCopy.Request(window, rect, bitmap, new PixelCopyListener(callback, bitmap), null);
}
catch (Java.Lang.IllegalArgumentException e)
{
e.PrintStackTrace();
}
}
public static Point[] GetTouches(MotionEvent.PointerCoords[] coords, Android.Views.View view, int[] startLocation)
{
//System.Diagnostics.Debug.WriteLine("c0=["+current.GetX()+","+current.GetY()+"]");
int[] viewLocation = { 0, 0 };
view?.GetLocationInWindow(viewLocation);
int pointerCount = coords.Length;
var array = new Point[pointerCount];
for (int i = 0; i < pointerCount; i++)
{
array[i] = DIP.ToPoint((double)(coords[i].X + viewLocation[0] - startLocation[0]), (double)(coords[i].Y + viewLocation[1] - startLocation[1]));
//System.Diagnostics.Debug.WriteLine ("i=["+i+"] pc=["+pointerCoords.X+", "+pointerCoords.Y+"] a=["+array[i]+"]");
}
return(array);
}
public static Point GetShowcasePointFromView(View view, ShowcaseView.ConfigOptions options)
{
var result = new Point();
if (options.Insert == ShowcaseView.INSERTTOVIEW)
{
result.X = view.Left + view.Width / 2;
result.Y = view.Top + view.Height / 2;
}
else
{
var coordinates = new int[2];
view.GetLocationInWindow(coordinates);
result.X = coordinates[0] + view.Width / 2;
result.Y = coordinates[1] + view.Height / 2;
}
return result;
}
public static Point[] GetTouches(MotionEvent current, Android.Views.View view, int[] startLocation)
{
//System.Diagnostics.Debug.WriteLine("c0=["+current.GetX()+","+current.GetY()+"]");
int[] viewLocation = { 0, 0 };
try
{
view?.GetLocationInWindow(viewLocation);
}
catch (System.Exception) { return(new Point[] { }); }
var pointerCoords = new MotionEvent.PointerCoords();
int pointerCount = current.PointerCount;
var array = new Point[pointerCount];
for (int i = 0; i < pointerCount; i++)
{
current.GetPointerCoords(i, pointerCoords);
array[i] = DIP.ToPoint((double)(pointerCoords.X + viewLocation[0] - startLocation[0]), (double)(pointerCoords.Y + viewLocation[1] - startLocation[1]));
//System.Diagnostics.Debug.WriteLine ("i=["+i+"] pc=["+pointerCoords.X+", "+pointerCoords.Y+"] a=["+array[i]+"]");
}
return(array);
}
/// <summary>
/// Gets the X, Y, Width, and Height of the fret which is represented on the screen by a view.
/// </summary>
/// <param name="fretNum">The number of the requested fret.</param>
/// <returns>Returns the metrics of the requested fret.</returns>
private FretMetrics GetFretMetrics(GuitarFret fretNum)
{
//Initialize a dummy fret.
View fret = new View(_currentActivity);
//Get the correct fret number.
/*if (_currentActivity.Title == "TutorActivity")
else if (_currentActivity.Title == "PlayerActivity")
else if (_currentActivity.Title == "RecorderActivity")*/
switch (fretNum)
{
case GuitarFret.OpenString:
fret = _currentActivity.FindViewById(Resource.Id.openString);
break;
case GuitarFret.Fret1:
fret = _currentActivity.FindViewById(Resource.Id.fret1);
break;
case GuitarFret.Fret2:
fret = _currentActivity.FindViewById(Resource.Id.fret2);
break;
case GuitarFret.Fret3:
fret = _currentActivity.FindViewById(Resource.Id.fret3);
break;
case GuitarFret.Fret4:
fret = _currentActivity.FindViewById(Resource.Id.fret4);
break;
case GuitarFret.Fret5:
fret = _currentActivity.FindViewById(Resource.Id.fret5);
break;
case GuitarFret.Fret6:
fret = _currentActivity.FindViewById(Resource.Id.fret6);
break;
}
//Get the X & Y coordinates of the fret on the screen.
int[] coordinates = new int[2];
fret.GetLocationInWindow(coordinates);
//Summerize X, Y, Width, and Height.
FretMetrics metrics = new FretMetrics(
(int)fret.GetX(), //coordinates[0],
(int)((TableRow)fret.Parent).GetY(), //coordinates[1],
fret.MeasuredWidth,
fret.MeasuredHeight);
Log.Info("", fret.Tag.ToString());
Log.Info(fret.GetX().ToString(), fret.GetY().ToString());
Log.Info(coordinates[0].ToString(), coordinates[1].ToString());
Log.Info(fret.Width.ToString(), fret.Height.ToString());
Log.Info("Left", fret.Left.ToString());
Log.Info("Right", fret.Right.ToString());
Log.Info("Top", fret.Top.ToString());
Log.Info("Bottom", fret.Bottom.ToString());
return metrics;
}
