void PrepareData()
{
BuildColorPallete();
DrawingImage = new ImageWithTouch
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.White,
CurrentLineColor = Color.Black
};
DrawingImage.SetBinding(ImageWithTouch.CurrentLineColorProperty, "CurrentLineColor");
myFrame.Content = DrawingImage;
foreach (var button in ColorPallete.Select(color => new Button
{
Text = color.Key,
TextColor = GetTextColor(color.Value),
BackgroundColor = color.Value,
HeightRequest = 40,
WidthRequest = 100,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
}))
{
button.Clicked += Button_Clicked;
listColors.Children.Add(button);
}
}
public SignatureViewModel()
{
DrawingImage = new ImageWithTouch
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.White,
CurrentLineColor = Color.Black
};
DrawingImage.SetBinding(ImageWithTouch.CurrentLineColorProperty, "CurrentLineColor");
}