public static Android.Graphics.Bitmap rotateBitmap(Android.Graphics.Bitmap bitmap, int orientation)
{
Android.Graphics.Matrix matrix = new Android.Graphics.Matrix();
switch (orientation)
{
case (int)Android.Media.Orientation.Normal:
return(bitmap);
case (int)Android.Media.Orientation.FlipHorizontal:
matrix.SetScale(-1, 1);
break;
case (int)Android.Media.Orientation.Rotate180:
matrix.SetRotate(180);
break;
case (int)Android.Media.Orientation.FlipVertical:
matrix.SetRotate(180);
matrix.PostScale(-1, 1);
break;
case (int)Android.Media.Orientation.Transpose:
matrix.SetRotate(90);
matrix.PostScale(-1, 1);
break;
case (int)Android.Media.Orientation.Rotate90:
matrix.SetRotate(90);
break;
case (int)Android.Media.Orientation.Transverse:
matrix.SetRotate(-90);
matrix.PostScale(-1, 1);
break;
case (int)Android.Media.Orientation.Rotate270:
matrix.SetRotate(-90);
break;
default:
return(bitmap);
}
try
{
Android.Graphics.Bitmap bmRotated = Android.Graphics.Bitmap.CreateBitmap(bitmap, 0, 0, bitmap.Width, bitmap.Height, matrix, true);
bitmap.Recycle();
return(bmRotated);
}
catch (Java.Lang.OutOfMemoryError e)
{
e.PrintStackTrace();
return(null);
}
}
