public static void GetGraphPoints(this Path path, IDrawingBoardHolder holder, out Point a, out Point b, out Point c, out Point d)
{
path.GetScreenPoints(out a, out b, out c, out d);
a = new Point(holder.PixelToGraphX(a.X), holder.PixelToGraphY(a.Y));
b = new Point(holder.PixelToGraphX(b.X), holder.PixelToGraphY(b.Y));
c = new Point(holder.PixelToGraphX(c.X), holder.PixelToGraphY(c.Y));
d = new Point(holder.PixelToGraphX(d.X), holder.PixelToGraphY(d.Y));
}
private void GenerateBezierUi(IBezierGroup bezierGroup, Canvas canvas, IDrawingBoardHolder eventsHolder)
{
canvas.Children.Clear();
DrawLines();
_beziers.Clear(canvas, eventsHolder);
foreach (var f in bezierGroup.Fragments)
{
_beziers.AddBezier(canvas, eventsHolder, f);
}
}
public BezierLinkedList AddBezier(Canvas canvas, IDrawingBoardHolder eh, IBezierFragment bf)
{
var newNode = new BezierCurve(this, Count);
canvas.Children.Add(newNode.Line1);
canvas.Children.Add(newNode.Line2);
canvas.Children.Add(newNode.Path);
canvas.Children.Add(newNode.Start);
canvas.Children.Add(newNode.End);
canvas.Children.Add(newNode.Control1);
canvas.Children.Add(newNode.Control2);
newNode.Start.MouseDown += eh.OnStartPointMouseDown;
newNode.End.MouseDown += eh.OnEndPointMouseDown;
newNode.Control1.MouseDown += eh.OnControl1PointMouseDown;
newNode.Control2.MouseDown += eh.OnControl2PointMouseDown;
var a = new Point(eh.GraphToPixelX(bf.From.X), eh.GraphToPixelY(bf.From.Y));
var b = new Point(eh.GraphToPixelX(bf.B.X), eh.GraphToPixelY(bf.B.Y));
var c = new Point(eh.GraphToPixelX(bf.C.X), eh.GraphToPixelY(bf.C.Y));
var d = new Point(eh.GraphToPixelX(bf.To.X), eh.GraphToPixelY(bf.To.Y));
newNode.PathFigure.StartPoint = a;
newNode.BezierSegment.Point1 = b;
newNode.BezierSegment.Point2 = c;
newNode.BezierSegment.Point3 = d;
newNode.Start.SetValue(Canvas.LeftProperty, a.X - HalfEllipseWidth);
newNode.Start.SetValue(Canvas.TopProperty, a.Y - HalfEllipseWidth);
newNode.End.SetValue(Canvas.LeftProperty, d.X - HalfEllipseWidth);
newNode.End.SetValue(Canvas.TopProperty, d.Y - HalfEllipseWidth);
newNode.Control1.SetValue(Canvas.LeftProperty, b.X - HalfEllipseWidth);
newNode.Control1.SetValue(Canvas.TopProperty, b.Y - HalfEllipseWidth);
newNode.Control2.SetValue(Canvas.LeftProperty, c.X - HalfEllipseWidth);
newNode.Control2.SetValue(Canvas.TopProperty, c.Y - HalfEllipseWidth);
newNode.SetLines();
if (Last == null)
{
First = Last = newNode;
}
else
{
var last = (BezierCurve)Last;
newNode.Previous = last;
last.Next = newNode;
Last = newNode;
}
++Count;
return(this);
}
public static StringBuilder AppendCurves(
this StringBuilder sb,
IEnumerable <IBezierCurve> curves,
IDrawingBoardHolder holder,
Func <Point, Point, Point, Point, string> format)
{
foreach (var curve in curves)
{
Point a, b, c, d;
curve.Path.GetGraphPoints(holder, out a, out b, out c, out d);
sb.AppendLine(format(a, b, c, d));
}
return(sb);
}
public BezierLinkedList Clear(Canvas canvas, IDrawingBoardHolder eventsHolder)
{
foreach (var n in this)
{
n.Start.MouseDown -= eventsHolder.OnStartPointMouseDown;
n.End.MouseDown -= eventsHolder.OnEndPointMouseDown;
n.Control1.MouseDown -= eventsHolder.OnControl1PointMouseDown;
n.Control2.MouseDown -= eventsHolder.OnControl2PointMouseDown;
n.Start.Tag = n.End.Tag = n.Control1.Tag = n.Control2.Tag = null;
canvas.Children.Remove(n.Path);
canvas.Children.Remove(n.Start);
canvas.Children.Remove(n.End);
canvas.Children.Remove(n.Control1);
canvas.Children.Remove(n.Control2);
}
Count = 0;
First = null;
Last = null;
return(this);
}
public MainWindow()
{
_eh = this;
InitializeComponent();
var t = new TransformGroup();
t.Children.Add(_scaleTransform = new ScaleTransform(1, 1, CanvasHalfWidth, CanvasHalfHeight));
t.Children.Add(_translateTransform = new TranslateTransform(0, 0));
TheCanvas.RenderTransform = t;
_timer = new DispatcherTimer {
Interval = TimeSpan.FromMilliseconds(80)
};
_timer.Tick += OnTimerTick;
KeyDown += MainWindow_KeyDown;
MouseWheel += TheCanvas_MouseWheel;
MouseLeftButtonDown += MainWindow_MouseLeftButtonDown;
MouseMove += MainWindow_MouseMove;
MouseLeftButtonUp += MainWindow_MouseLeftButtonUp;
var nameSuffix = "";
//if (ApplicationDeployment.IsNetworkDeployed)
//{
Version version = GetType().Assembly.GetName().Version;
nameSuffix = " " + version.Major + "." + version.Minor;
//}
Title = "YouVisio Grapher" + nameSuffix;
_runnerCreator = new FuncRunnerCreator();
ReDrawCanvas();
}
public string ToCode(IDrawingBoardHolder holder)
{
if (Count == 0)
{
return("");
}
Point a, b, c, d;
First.Path.GetGraphPoints(holder, out a, out b, out c, out d);
if (Count == 1)
{
const double tolerance = 0.000001;
if (abs(a.X) < tolerance &&
abs(a.Y) < tolerance &&
abs(d.X - 1) < tolerance &&
abs(d.Y - 1) < tolerance)
{
return($"bezier(x,{b.X:N2},{b.Y:N2},{c.X:N2},{c.Y:N2})");
}
return($"bezier(x,{a.X:N2},{a.Y:N2},{b.X:N2},{b.Y:N2},{c.X:N2},{c.Y:N2},{d.X:N2},{d.Y:N2})");
}
if (Count == 2)
{
Point e, f, g, h;
Last.Path.GetGraphPoints(holder, out e, out f, out g, out h);
return("bezier2parts(x,\n" +
$" {a.X:N2}, {a.Y:N2}, {b.X:N2}, {b.Y:N2}, {c.X:N2}, {c.Y:N2},\n" +
$" {e.X:N2}, {e.Y:N2}, {f.X:N2}, {f.Y:N2}, {g.X:N2}, {g.Y:N2}, {h.X:N2}, {h.Y:N2})");
}
if (Count == 3)
{
Point e, f, g, h;
First.Next.Path.GetGraphPoints(holder, out e, out f, out g, out h);
Point i, j, k, l;
First.Next.Next.Path.GetGraphPoints(holder, out i, out j, out k, out l);
return("bezier3parts(x,\n" +
$" {a.X:N2}, {a.Y:N2}, {b.X:N2}, {b.Y:N2}, {c.X:N2}, {c.Y:N2},\n" +
$" {e.X:N2}, {e.Y:N2}, {f.X:N2}, {f.Y:N2}, {g.X:N2}, {g.Y:N2},\n" +
$" {i.X:N2}, {i.Y:N2}, {j.X:N2}, {j.Y:N2}, {k.X:N2}, {k.Y:N2}, {l.X:N2}, {l.Y:N2})");
}
if (Count == 4)
{
Point e, f, g, h;
First.Next.Path.GetGraphPoints(holder, out e, out f, out g, out h);
Point i, j, k, l;
First.Next.Next.Path.GetGraphPoints(holder, out i, out j, out k, out l);
Point m, n, o, p;
First.Next.Next.Next.Path.GetGraphPoints(holder, out m, out n, out o, out p);
return("bezier4parts(x,\n" +
$" {a.X:N2}, {a.Y:N2}, {b.X:N2}, {b.Y:N2}, {c.X:N2}, {c.Y:N2},\n" +
$" {e.X:N2}, {e.Y:N2}, {f.X:N2}, {f.Y:N2}, {g.X:N2}, {g.Y:N2},\n" +
$" {i.X:N2}, {i.Y:N2}, {j.X:N2}, {j.Y:N2}, {k.X:N2}, {k.Y:N2},\n" +
$" {m.X:N2}, {m.Y:N2}, {n.X:N2}, {n.Y:N2}, {o.X:N2}, {o.Y:N2},\n" +
$" {p.X:N2}, {p.Y:N2})");
}
return
(new StringBuilder()
.AppendLine($"return beziers(b => b.from({a.X:N2},{a.Y:N2})")
.AppendCurves(this, holder, (a1, b1, c1, d1) => $" .to({d1.X:N2},{d1.Y:N2}).curve({b1.X:N2},{b1.Y:N2},{c1.X:N2},{c1.Y:N2})")
.AppendLine(").run(x)")
.ToString());
}
