public Bitmap GetBitmapFromView(Android.Views.View view)
{
Bitmap bitmap = Bitmap.CreateBitmap(view.Width, view.Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
view.Draw(canvas);
return(bitmap);
}
static Bitmap ViewToBitMap(Android.Views.View view)
{
var bitmap = Bitmap.CreateBitmap(view.Width, view.Height, Bitmap.Config.Argb8888);
using var canvas = new Canvas(bitmap);
canvas.DrawColor(Android.Graphics.Color.Transparent);
view.Draw(canvas);
return(bitmap);
}
static Bitmap ViewToBitMap(Android.Views.View view, Xamarin.Forms.Color backgroundColor)
{
var bitmap = Bitmap.CreateBitmap(view.Width, view.Height, Bitmap.Config.Argb8888);
using var canvas = new Canvas(bitmap);
canvas.DrawColor(backgroundColor.ToAndroid());
view.Draw(canvas);
return(bitmap);
}
/// <summary>
/// To the bitmap.
/// </summary>
/// <param name="view">The view.</param>
/// <returns>Android.Graphics.Bitmap.</returns>
public static Android.Graphics.Bitmap ToBitmap(this Android.Views.View view)
{
var bitmap = Bitmap.CreateBitmap(view.Width, view.Height, Bitmap.Config.Argb8888);
using (var c = new Canvas(bitmap))
{
view.Draw(c);
}
return(bitmap);
}
public static Bitmap ToBitmap(this AView view)
{
var bitmap = Bitmap.CreateBitmap(view.Width, view.Height, Bitmap.Config.Argb8888);
var canvas = new Canvas(bitmap);
canvas.Save();
canvas.Translate(0, 0);
view.Draw(canvas);
canvas.Restore();
return bitmap;
}
public static Bitmap AsBitmap(this Android.Views.View view, Context context, int width, int height)
{
DisplayMetrics displayMetrics = new DisplayMetrics();
view.Measure(displayMetrics.WidthPixels, displayMetrics.HeightPixels);
view.Layout(0, 0, displayMetrics.WidthPixels, displayMetrics.HeightPixels);
view.BuildDrawingCache();
Bitmap bitmap = Bitmap.CreateBitmap(displayMetrics, width, height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
view.Draw(canvas);
return(bitmap);
}
public static Bitmap getBitmapFromView(Android.Views.View view)
{
Bitmap returnedBitmap = Bitmap.CreateBitmap(10, 10, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(returnedBitmap);
Drawable bgDrawable = view.Background;
if (bgDrawable != null)
{
bgDrawable.Draw(canvas);
}
else
{
canvas.DrawColor(Android.Graphics.Color.Black);
}
view.Draw(canvas);
return(returnedBitmap);
}
/// <summary>
/// Returns a bitmap showing a screenshot of the view passed in
/// </summary>
private static Bitmap GetBitmapFromView(Android.Views.View v)
{
try
{
Bitmap bitmap = Bitmap.CreateBitmap(v.Width, v.Height, Bitmap.Config.Argb8888);
Canvas canvas = new Canvas(bitmap);
v.Draw(canvas);
return(bitmap);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return(default(Bitmap));
}
public async Task <byte[]> Capture()
{
await Task.Yield();
View rootView = CrossCurrentActivity.Current.Activity.Window.DecorView.RootView;
using (Bitmap screenshot = Android.Graphics.Bitmap.CreateBitmap(
rootView.Width,
rootView.Height,
Android.Graphics.Bitmap.Config.Argb8888))
{
Canvas canvas = new (screenshot);
rootView.Draw(canvas);
using (MemoryStream stream = new ())
{
screenshot.Compress(Android.Graphics.Bitmap.CompressFormat.Png, 90, stream);
return(stream.ToArray());
}
}
}
