private void SaveDrawing()
{
if (Control.appearance.ToLower() == "annotate" || Control.appearance.ToLower() == "textannotate")
{
Bitmap Background = ((BitmapDrawable)BackgroundImage.Drawable).Bitmap;
Bitmap CombinedBitmap = OverlayCanvas(Background, dv.bm);
using (var os = new FileStream(path, FileMode.Create))
{
CombinedBitmap.Compress(Bitmap.CompressFormat.Jpeg, 100, os);
}
//save any note that the user entered
ExifInterface exifData = new ExifInterface(path);
exifData.SetAttribute(ExifInterface.TagImageDescription, EditExif.Text);
exifData.SaveAttributes();
}
else
{
using (var os = new FileStream(path, FileMode.Create))
{
dv.bm.Compress(Bitmap.CompressFormat.Jpeg, 100, os);
}
}
XForm.SetValue(Binding.nodeset, path);
Finish();
}
public override bool OnOptionsItemSelected(IMenuItem item)
{
Intent i = new Intent();
switch (item.ItemId)
{
case Android.Resource.Id.Home:
AlertDialog saveAlert = new AlertDialog.Builder(this).Create();
saveAlert.SetTitle("Warning");
saveAlert.SetMessage("Do you wish to save the drawing?");
saveAlert.SetButton("Save", delegate
{
SaveDrawing();
i.SetData(Android.Net.Uri.FromFile(new Java.IO.File(path)));
SetResult(Result.Ok, i);
WidgetHelper.activity.FireFormChangeEvent(v);
Finish();
});
saveAlert.SetButton2("Discard", delegate
{
if (!string.IsNullOrEmpty(path))
{
File.Delete(path);
}
if (dv != null)
{
dv.ClearCanvas();
dv = null;
}
SetResult(Result.Canceled);
XForm.SetValue(Binding.nodeset, "");
Finish();
});
saveAlert.Show();
return(true);
case Resource.Id.menu_save:
//overlay the two bitmaps together
i.SetData(Android.Net.Uri.FromFile(new Java.IO.File(path)));
SetResult(Result.Ok, i);
SaveDrawing();
WidgetHelper.activity.FireFormChangeEvent(v);
return(true);
//reset the item and canvas
case Resource.Id.menu_delete:
AlertDialog alert = new AlertDialog.Builder(this).Create();
alert.SetTitle("Warning");
alert.SetMessage("Do you want to delete the annotated image?");
alert.SetButton("Yes", delegate
{
File.Delete(path);
XForm.SetValue(Binding.nodeset, "");
BackgroundImage.SetImageBitmap(null);
if (dv != null)
{
dv.ClearCanvas();
dv = null;
}
});
alert.SetButton2("No", delegate { return; });
alert.Show();
return(true);
//image picker
case Resource.Id.menu_select:
TakePhoto("drawing", Binding, v, WidgetHelper.activity, false);
newPhoto = true;
return(true);
default:
return(base.OnOptionsItemSelected(item));
}
}
//handle input of photos, either from gallery or camera
protected override void OnActivityResult(int requestCode, [GeneratedEnum] Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
string path = "";
Bitmap pic;
ImageView iv = null;
if (imageViewRow != null)
{
iv = (ImageView)imageViewRow.FindViewWithTag("image");
}
//user cancelled
if (resultCode == Result.Canceled && requestCode != REQUEST_DRAWING)
{
File.Delete(photoFile.Path);
return;
}
//camera
if (requestCode == REQUEST_IMAGE_CAPTURE)
{
//
GalleryAddPic();
if (this is DrawingActivity)
{
SetPic(DrawingActivity.BackgroundImage, photoUri);
}
else
{
SetPic(iv, photoUri);
}
path = mCurrentPhotoPath;
}
//gallery
else if (requestCode == REQUEST_GALLERY_IMAGE)
{
pic = MediaStore.Images.Media.GetBitmap(ContentResolver, data.Data);
using (var os = new FileStream(mCurrentPhotoPath, FileMode.Create))
{
pic.Compress(Bitmap.CompressFormat.Jpeg, 100, os);
}
path = mCurrentPhotoPath;
if (this is DrawingActivity)
{
SetPic(DrawingActivity.BackgroundImage, data.Data);
}
else
{
SetPic(iv, data.Data);
}
//iv.SetImageBitmap(imageBitmap);
}
//this only has a value when coming directly from the camera/gallery
if (bindingForImage != null)
{
XForm.SetValue(bindingForImage.nodeset, path);
}
//coming back from a canvas
if (requestCode == REQUEST_DRAWING && data != null)
{
iv = (ImageView)WidgetHelper.viewToPass.FindViewWithTag("image");
iv.SetImageBitmap(BitmapHelpers.LoadAndResizeBitmap(data.Data.Path, 100, 100, this));
//iv.SetImageBitmap(Bitmap.CreateScaledBitmap(BitmapFactory.DecodeFile(data.Data.Path), 100, 100, true));
}
if (this is ScrollFormActivity)
{
try
{
_formActivity.FireFormChangeEvent(imageViewRow);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
if (showDialogAfterImageSelect)
{
iv.PerformClick();
}
}
}
