public SampleView ()
{
BackgroundColor = UIColor.White;
//Create the save button
btnSave = UIButton.FromType (UIButtonType.RoundedRect);
btnSave.SetTitle ("Save", UIControlState.Normal);
//Create the load button
btnLoad = UIButton.FromType (UIButtonType.RoundedRect);
btnLoad.SetTitle ("Load Last", UIControlState.Normal);
btnLoad.TouchUpInside += (sender, e) => {
if (points != null)
signature.LoadPoints (points);
};
signature = new SignaturePadView ();
//Using different layouts for the iPhone and iPad, so setup device specific requirements here.
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone) {
//iPhone uses Landscape, but ApplicationFrame still returns Portrait values, so
//reverse them for creating the view's frame.
Frame = new RectangleF (0, 20, UIScreen.MainScreen.ApplicationFrame.Height,
UIScreen.MainScreen.ApplicationFrame.Width);
//iPhone version simply saves the vector of points in an instance variable.
btnSave.TouchUpInside += (sender, e) => {
if (signature.IsBlank)
new UIAlertView ("", "No signature to save.", null, "Okay", null).Show ();
else {
points = signature.Points;
new UIAlertView ("", "Vector Saved.", null, "Okay", null).Show ();
}
};
} else {
Frame = UIScreen.MainScreen.ApplicationFrame;
//iPad version saves the vector of points as well as retrieving the UIImage to display
//in a UIImageView.
btnSave.TouchUpInside += (sender, e) => {
//if (signature.IsBlank)
// new UIAlertView ("", "No signature to save.", null, "Okay", null).Show ();
imageView.Image = signature.GetImage ();
points = signature.Points;
};
//Create the UIImageView to display a saved signature.
imageView = new UIImageView();
AddSubview(imageView);
}
//Add the subviews.
AddSubview (signature);
AddSubview (btnSave);
AddSubview (btnLoad);
}
public void NullStrokeColorReturnsNullImage ()
{
SignaturePadView signature = new SignaturePadView (new RectangleF (0, 0, 50, 100));
UIImage image = signature.GetImage (null);
Assert.That (image == null);
}
public void PositiveScaleReturnsImage ()
{
SignaturePadView signature = new SignaturePadView (new RectangleF (0, 0, 50, 100));
UIImage image = signature.GetImage (2f);
Assert.That (image != null);
}
public void NegativeHeightReturnsNullImage ()
{
SignaturePadView signature = new SignaturePadView (new RectangleF (0, 0, 50, 100));
UIImage image = signature.GetImage (new SizeF (25, -50));
Assert.That (image == null);
}
public void ZeroWidthReturnsNullImage ()
{
SignaturePadView signature = new SignaturePadView (new RectangleF (0, 0, 50, 100));
UIImage image = signature.GetImage (new SizeF (0, 50));
Assert.That (image == null);
}
public void UnboundSignaturePadViewReturnsNullImage ()
{
SignaturePadView signature = new SignaturePadView ();
UIImage image = signature.GetImage ();
Assert.That (image == null);
}
public void ValidFillColorReturnsImage ()
{
SignaturePadView signature = new SignaturePadView (new RectangleF (0, 0, 50, 100));
UIImage image = signature.GetImage (UIColor.Black, UIColor.White);
Assert.That (image != null);
}
