private async void GetJPEG_Clicked(object sender, EventArgs e)
{
// >> signaturepad-saving-image-method
var settings = new SaveImageSettings()
{
ImageFormat = ImageFormat.Jpeg,
ScaleFactor = 0.7,
ImageQuality = 1,
BackgroundColor = Color.LightGray,
StrokeColor = Color.DarkBlue,
StrokeThickness = 5
};
byte[] array;
using (var stream = new MemoryStream())
{
await this.signaturePad.SaveImageAsync(stream, settings);
array = stream.ToArray();
this.signatureImage.Source = ImageSource.FromStream(() => new MemoryStream(array));
}
// << signaturepad-saving-image-method
}
private async Task SaveImage(ImageFormat format)
{
byte[] array;
ImageSource imageSource;
using (var stream = new MemoryStream())
{
var settings = new SaveImageSettings()
{
ImageFormat = format,
BackgroundColor = Color.Transparent,
};
await this.signaturePad.SaveImageAsync(stream, settings);
array = stream.ToArray();
imageSource = ImageSource.FromStream(() => new MemoryStream(array));
}
this.popupContent = (View)((ControlTemplate)this.Resources["PopupControlTemplate"]).CreateContent();
Image image = (Image)this.popupContent.FindByName("signatureImage");
image.Source = imageSource;
this.popup.Content = popupContent;
this.popup.OutsideBackgroundColor = Color.FromHex("#BF4B4C4C");
this.popup.IsModal = true;
this.popup.IsOpen = true;
}
private async void GetPNG_Clicked(object sender, EventArgs e)
{
var settings = new SaveImageSettings()
{
ImageFormat = ImageFormat.Png,
BackgroundColor = Color.LightGray,
StrokeColor = Color.DarkRed,
StrokeThickness = 5
};
byte[] array;
using (var stream = new MemoryStream())
{
await this.signaturePad.SaveImageAsync(stream, settings);
array = stream.ToArray();
this.signatureImage.Source = ImageSource.FromStream(() => new MemoryStream(array));
}
}
