void StrokeUpdated(StrokeGestureRecognizer strokeGesture)
{
if (strokeGesture == pencilStrokeRecognizer)
{
lastSeenPencilInteraction = DateTime.Now.Ticks;
}
var state = strokeGesture.State;
Stroke stroke = null;
if (state != Cancelled)
{
stroke = strokeGesture.Stroke;
if (state == Began || (state == Ended && strokeCollection.ActiveStroke == null))
{
strokeCollection.ActiveStroke = stroke;
leftRingControl.CancelInteraction();
}
}
else
{
strokeCollection.ActiveStroke = null;
}
if (stroke != null)
{
if (state == Ended)
{
if (strokeGesture == pencilStrokeRecognizer)
{
// Make sure we get the final stroke update if needed.
stroke.ReceivedAllNeededUpdatesBlock = () => {
ReceivedAllUpdatesForStroke(stroke);
};
}
strokeCollection.TakeActiveStroke();
}
}
cgView.StrokeCollection = strokeCollection;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
var bounds = View.Bounds;
//var bounds = new CGRect(0, 0, View.Bounds.Width, View.Bounds.Height);
//var bounds = fingsize;
var screenBounds = UIScreen.MainScreen.Bounds;
//var maxScreenDimension = NMath.Max (screenBounds.Width, screenBounds.Height);
var maxScreenDimension = NMath.Max(screenBounds.Width, screenBounds.Height);
UIViewAutoresizing flexibleDimensions = FlexibleWidth | FlexibleHeight;
scrollView = new UIScrollView(bounds)
{
AutoresizingMask = flexibleDimensions,
//BackgroundColor = UIColor.Red
};
View.AddSubview(scrollView);
var frame = new CGRect(CGPoint.Empty, new CGSize(maxScreenDimension, maxScreenDimension));
//var frame = new CGRect(CGPoint.Empty, new CGSize(800, 800));
//var frame = bounds;
cgView = new StrokeCGView(frame)
{
AutoresizingMask = flexibleDimensions,
editing = MREditing
};
View.BackgroundColor = UIColor.White;
//View.BackgroundColor = UIColor.Clear;
//View.BackgroundColor = UIColor.FromWhiteAlpha(1.0f, 0.4f);
//View.Alpha = 1.0f;
canvasContainerView = CanvasContainerView.FromCanvasSize(cgView.Frame.Size);
canvasContainerView.DocumentView = cgView;
scrollView.ContentSize = canvasContainerView.Frame.Size;
scrollView.ContentOffset = new CGPoint((canvasContainerView.Frame.Width - scrollView.Bounds.Width) / 2,
(canvasContainerView.Frame.Height - scrollView.Bounds.Height) / 2);
//scrollView.ContentOffset = new CGPoint(0, 0);
scrollView.AddSubview(canvasContainerView);
scrollView.BackgroundColor = canvasContainerView.BackgroundColor;
//scrollView.BackgroundColor = UIColor.Clear;
//scrollView.BackgroundColor = UIColor.FromWhiteAlpha(1.0f, 0.4f);
//scrollView.Alpha = 1.0f;
scrollView.MaximumZoomScale = 3;
scrollView.MinimumZoomScale = 0.5f;
scrollView.PanGestureRecognizer.AllowedTouchTypes = TouchTypes(UITouchType.Direct);
scrollView.PinchGestureRecognizer.AllowedTouchTypes = TouchTypes(UITouchType.Direct);
scrollView.Delegate = this;
if (MREditing)
{
filename = MREditName + "_" + "edit" + "_" + DateTime.Now.ToString("s").Replace(":", "_") + ".jpg";
//var img = UIImage.FromFile("dynapadscreenshot.png");
UIImage img = new UIImage();
switch (MREditType)
{
case "jpg":
case "gif":
case "png":
img = FromUrl(MREditPath);
break;
case "pdf":
case "doc":
case "docx":
var dps = new DynaPadService.DynaPadService();
//img = dps.ConvertToJPG(CommonFunctions.GetUserConfig(), MREditPath);
break;
default:
img = FromUrl(MREditPath);
break;
}
var imgView = new UIImageView(bounds);
imgView.Image = img;
imgView.ContentMode = UIViewContentMode.ScaleAspectFit; // or ScaleAspectFill
//imgView.BackgroundColor = UIColor.Green;
//imgView.Opaque = false;
//canvasContainerView.BackgroundColor = UIColor.Clear;
//canvasContainerView.Opaque = false;
canvasContainerView.AddSubview(imgView);
canvasContainerView.SendSubviewToBack(imgView);
//imgView.Alpha = 0.5f;
//scrollView.AddSubview(imgView);
//scrollView.SendSubviewToBack(imgView);
//View.AddSubview(imgView);
//View.SendSubviewToBack(imgView);
}
// We put our UI elements on top of the scroll view, so we don't want any of the
// delay or cancel machinery in place.
scrollView.DelaysContentTouches = false;
fingerStrokeRecognizer = new StrokeGestureRecognizer(StrokeUpdated)
{
Delegate = this,
CancelsTouchesInView = false,
IsForPencil = false,
CoordinateSpaceView = cgView
};
scrollView.AddGestureRecognizer(fingerStrokeRecognizer);
pencilStrokeRecognizer = new StrokeGestureRecognizer(StrokeUpdated)
{
Delegate = this,
CancelsTouchesInView = false,
CoordinateSpaceView = cgView,
IsForPencil = true
};
scrollView.AddGestureRecognizer(pencilStrokeRecognizer);
SetupConfigurations();
var onPhone = UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone;
var ringDiameter = onPhone ? 66f : 74f;
var ringImageInset = onPhone ? 12f : 14f;
var borderWidth = 1f;
var ringOutset = ringDiameter / 2 - (NMath.Floor(NMath.Sqrt((ringDiameter * ringDiameter) / 8) - borderWidth));
//var ringFrame = new CGRect (-ringOutset, View.Bounds.Height - ringDiameter + ringOutset, ringDiameter, ringDiameter);
//var ringFrame = new CGRect(ringOutset, 800 - ringDiameter - ringOutset, ringDiameter, ringDiameter);
var ringFrame = new CGRect(ringOutset, View.Bounds.Height - ringDiameter + ringOutset - 50, ringDiameter, ringDiameter);
var ringControl = new RingControl(ringFrame, configurations.Length);
ringControl.AutoresizingMask = FlexibleRightMargin | FlexibleTopMargin;
View.AddSubview(ringControl);
leftRingControl = ringControl;
string [] imageNames = { "Calligraphy", "Ink", "Debug" };
for (int index = 0; index < leftRingControl.RingViews.Count; index++)
{
var ringView = leftRingControl.RingViews [index];
ringView.ActionClosure = configurations [index];
var imageView = new UIImageView(ringView.Bounds.Inset(ringImageInset, ringImageInset));
imageView.Image = UIImage.FromBundle(imageNames [index]);
imageView.AutoresizingMask = FlexibleLeftMargin | FlexibleRightMargin | FlexibleTopMargin | FlexibleBottomMargin;
ringView.AddSubview(imageView);
}
closeButton = AddButton("close", CloseButtonAction);
clearButton = AddButton("clear", ClearButtonAction);
saveButton = AddButton("save", SaveButtonAction);
SetupPencilUI();
//cgView.SetNeedsDisplay();
//scrollView.SetNeedsDisplay();
//canvasContainerView.SetNeedsDisplay();
//cgView.
//new UIAlertView("Touched", "ass", null, "OK", null).Show ();
//PresentViewController(CommonFunctions.AlertPrompt("File Edit", "Saving this edit will not overwrite the original file", true, null, false, null), true, null);
}
public void Activated(StrokeGestureRecognizer sender)
{
action(sender);
}