public XThumb CreateThumb(double x, double y, XLine line, Action <XLine, XThumb, double, double> drag)
{
var thumb = CreateThumb(x, y);
SetLineDragDeltaHandler(line, thumb, drag);
return(thumb);
}
/// <inheritdoc/>
public override void LeftDown(double x, double y)
{
base.LeftDown(x, y);
double sx = _editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(x, _editor.Project.Options.SnapX) : x;
double sy = _editor.Project.Options.SnapToGrid ? ProjectEditor.Snap(y, _editor.Project.Options.SnapY) : y;
switch (_currentState)
{
case ToolState.None:
{
_shape = XLine.Create(
sx, sy,
_editor.Project.CurrentStyleLibrary.Selected,
_editor.Project.Options.PointShape,
_editor.Project.Options.DefaultIsStroked);
if (_editor.Project.Options.TryToConnect)
{
var result = TryToConnectStart(_shape as XLine, sx, sy);
if (!result)
{
_editor.TryToSplitLine(x, y, _shape.Start);
}
}
_editor.Project.CurrentContainer.WorkingLayer.Shapes = _editor.Project.CurrentContainer.WorkingLayer.Shapes.Add(_shape);
_editor.Project.CurrentContainer.WorkingLayer.Invalidate();
ToStateOne();
Move(_shape);
_editor.Project.CurrentContainer.HelperLayer.Invalidate();
_currentState = ToolState.One;
_editor.CancelAvailable = true;
}
break;
case ToolState.One:
{
var line = _shape as XLine;
if (line != null)
{
line.End.X = sx;
line.End.Y = sy;
if (_editor.Project.Options.TryToConnect)
{
var result = TryToConnectEnd(_shape as XLine, sx, sy);
if (!result)
{
_editor.TryToSplitLine(x, y, _shape.End);
}
}
_editor.Project.CurrentContainer.WorkingLayer.Shapes = _editor.Project.CurrentContainer.WorkingLayer.Shapes.Remove(_shape);
Remove();
Finalize(_shape);
_editor.Project.AddShape(_editor.Project.CurrentContainer.CurrentLayer, _shape);
_currentState = ToolState.None;
_editor.CancelAvailable = false;
}
}
break;
}
}
private void DrawLineArrowsInternal(SKCanvas canvas, XLine line, double dx, double dy, out SKPoint pt1, out SKPoint pt2)
{
using (SKPaint fillStartArrow = ToSKPaintBrush(line.Style.StartArrowStyle.Fill))
using (SKPaint strokeStartArrow = ToSKPaintPen(line.Style.StartArrowStyle, _scaleToPage, _sourceDpi, _targetDpi))
using (SKPaint fillEndArrow = ToSKPaintBrush(line.Style.EndArrowStyle.Fill))
using (SKPaint strokeEndArrow = ToSKPaintPen(line.Style.EndArrowStyle, _scaleToPage, _sourceDpi, _targetDpi))
{
double _x1 = line.Start.X + dx;
double _y1 = line.Start.Y + dy;
double _x2 = line.End.X + dx;
double _y2 = line.End.Y + dy;
line.GetMaxLength(ref _x1, ref _y1, ref _x2, ref _y2);
float x1 = _scaleToPage(_x1);
float y1 = _scaleToPage(_y1);
float x2 = _scaleToPage(_x2);
float y2 = _scaleToPage(_y2);
var sas = line.Style.StartArrowStyle;
var eas = line.Style.EndArrowStyle;
double a1 = Math.Atan2(y1 - y2, x1 - x2);
double a2 = Math.Atan2(y2 - y1, x2 - x1);
// Draw start arrow.
pt1 = DrawLineArrowInternal(canvas, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(canvas, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
}
}
/// <inheritdoc/>
public override void Draw(object dc, XLine line, double dx, double dy, ImmutableArray <XProperty> db, XRecord r)
{
var canvas = dc as SKCanvas;
using (SKPaint strokeLine = ToSKPaintPen(line.Style, _scaleToPage, _sourceDpi, _targetDpi))
{
SKPoint pt1, pt2;
DrawLineArrowsInternal(canvas, line, dx, dy, out pt1, out pt2);
if (line.Style.LineStyle.IsCurved)
{
DrawLineCurveInternal(
canvas,
strokeLine, line.IsStroked,
ref pt1, ref pt2,
line.Style.LineStyle.Curvature,
line.Style.LineStyle.CurveOrientation,
line.Start.Alignment,
line.End.Alignment);
}
else
{
DrawLineInternal(canvas, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
}
}
private void DrawLineArrowsInternal(AM.DrawingContext dc, XLine line, double dx, double dy, out A.Point pt1, out A.Point pt2)
{
AM.IBrush fillStartArrow = ToBrush(line.Style.StartArrowStyle.Fill);
AM.Pen strokeStartArrow = ToPen(line.Style.StartArrowStyle, _scaleToPage);
AM.IBrush fillEndArrow = ToBrush(line.Style.EndArrowStyle.Fill);
AM.Pen strokeEndArrow = ToPen(line.Style.EndArrowStyle, _scaleToPage);
double _x1 = line.Start.X + dx;
double _y1 = line.Start.Y + dy;
double _x2 = line.End.X + dx;
double _y2 = line.End.Y + dy;
line.GetMaxLength(ref _x1, ref _y1, ref _x2, ref _y2);
float x1 = _scaleToPage(_x1);
float y1 = _scaleToPage(_y1);
float x2 = _scaleToPage(_x2);
float y2 = _scaleToPage(_y2);
var sas = line.Style.StartArrowStyle;
var eas = line.Style.EndArrowStyle;
double a1 = Math.Atan2(y1 - y2, x1 - x2);
double a2 = Math.Atan2(y2 - y1, x2 - x1);
// Draw start arrow.
pt1 = DrawLineArrowInternal(dc, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(dc, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
}
/// <inheritdoc/>
public override void Draw(object dc, XLine line, double dx, double dy, ImmutableArray <XProperty> db, XRecord r)
{
var _dc = dc as AM.DrawingContext;
AM.Pen strokeLine = ToPen(line.Style, _scaleToPage);
A.Point pt1, pt2;
DrawLineArrowsInternal(_dc, line, dx, dy, out pt1, out pt2);
if (line.Style.LineStyle.IsCurved)
{
DrawLineCurveInternal(
_dc,
strokeLine, line.IsStroked,
ref pt1, ref pt2,
line.Style.LineStyle.Curvature,
line.Style.LineStyle.CurveOrientation,
line.Start.Alignment,
line.End.Alignment);
}
else
{
DrawLineInternal(_dc, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
}
/// <summary>
/// Remove selection.
/// </summary>
public void Remove()
{
if (_line12 != null)
{
_layer.Shapes = _layer.Shapes.Remove(_line12);
_line12 = null;
}
if (_line32 != null)
{
_layer.Shapes = _layer.Shapes.Remove(_line32);
_line32 = null;
}
if (_helperPoint1 != null)
{
_layer.Shapes = _layer.Shapes.Remove(_helperPoint1);
_helperPoint1 = null;
}
if (_helperPoint2 != null)
{
_layer.Shapes = _layer.Shapes.Remove(_helperPoint2);
_helperPoint2 = null;
}
if (_helperPoint3 != null)
{
_layer.Shapes = _layer.Shapes.Remove(_helperPoint3);
_helperPoint3 = null;
}
_layer.Invalidate();
}
public void DrawLine(object dc, IStyle style, XLine line)
{
double thickness = style.Thickness / Zoom;
double half = thickness / 2.0;
var pen = new Pen(
new SolidColorBrush(
Color.FromArgb(
(byte)style.Stroke.A,
(byte)style.Stroke.R,
(byte)style.Stroke.G,
(byte)style.Stroke.B)),
thickness);
pen.Freeze();
var gs = new GuidelineSet(
new double[] { line.X1 + half, line.X2 + half },
new double[] { line.Y1 + half, line.Y2 + half });
(dc as DrawingContext).PushGuidelineSet(gs);
(dc as DrawingContext).DrawLine(
pen,
new Point(line.X1, line.Y1),
new Point(line.X2, line.Y2));
(dc as DrawingContext).Pop();
}
/// <inheritdoc/>
public override void Draw(object dc, XLine line, double dx, double dy, ImmutableArray <XProperty> db, XRecord r)
{
var _gfx = dc as Graphics;
Pen strokeLine = ToPen(line.Style, _scaleToPage);
PointF pt1, pt2;
DrawLineArrowsInternal(line, dx, dy, _gfx, out pt1, out pt2);
if (line.Style.LineStyle.IsCurved)
{
DrawLineCurveInternal(
_gfx,
strokeLine, line.IsStroked,
ref pt1, ref pt2,
line.Style.LineStyle.Curvature,
line.Style.LineStyle.CurveOrientation,
line.Start.Alignment,
line.End.Alignment);
}
else
{
DrawLineInternal(_gfx, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
strokeLine.Dispose();
}
/// <summary>
/// Transfer selection state to <see cref="ToolState.Two"/>.
/// </summary>
public void ToStateTwo()
{
_line12 = XLine.Create(0, 0, _style, null);
_helperPoint2 = XPoint.Create(0, 0, _point);
_layer.Shapes = _layer.Shapes.Add(_line12);
_layer.Shapes = _layer.Shapes.Add(_helperPoint2);
}
public void MoveDeltaEnd(double dx, double dy, XLine line)
{
double oldx = _blockHelper.GetX2(line);
double oldy = _blockHelper.GetY2(line);
_blockHelper.SetX2(line, oldx + dx);
_blockHelper.SetY2(line, oldy + dy);
}
public bool HitTest(XLine line, Point2 p, double treshold)
{
var a = new Point2(line.X1, line.Y1);
var b = new Point2(line.X2, line.Y2);
var nearest = NearestPointOnLine(a, b, p);
double distance = Distance(p.X, p.Y, nearest.X, nearest.Y);
return(distance < treshold);
}
/// <summary>
/// Checks if line contains point.
/// </summary>
/// <param name="line"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool Contains(XLine line, Vector2 v, double threshold, double dx, double dy)
{
var a = new Vector2(line.Start.X + dx, line.Start.Y + dy);
var b = new Vector2(line.End.X + dx, line.End.Y + dy);
var nearest = MathHelpers.NearestPointOnLine(a, b, v);
double distance = MathHelpers.Distance(v.X, v.Y, nearest.X, nearest.Y);
return(distance < threshold);
}
private void DrawLineArrowsInternal(DrawingContext dc, XLine line, ShapeStyle style, double halfStart, double halfEnd, double thicknessStart, double thicknessEnd, double dx, double dy, out Point pt1, out Point pt2)
{
// Start arrow style.
Tuple <Brush, Pen> startArrowCache = _arrowStyleCache.Get(style.StartArrowStyle);
Brush fillStartArrow;
Pen strokeStartArrow;
if (startArrowCache != null)
{
fillStartArrow = startArrowCache.Item1;
strokeStartArrow = startArrowCache.Item2;
}
else
{
fillStartArrow = CreateBrush(style.StartArrowStyle.Fill);
strokeStartArrow = CreatePen(style.StartArrowStyle, thicknessStart);
_arrowStyleCache.Set(style.StartArrowStyle, Tuple.Create(fillStartArrow, strokeStartArrow));
}
// End arrow style.
Tuple <Brush, Pen> endArrowCache = _arrowStyleCache.Get(style.EndArrowStyle);
Brush fillEndArrow;
Pen strokeEndArrow;
if (endArrowCache != null)
{
fillEndArrow = endArrowCache.Item1;
strokeEndArrow = endArrowCache.Item2;
}
else
{
fillEndArrow = CreateBrush(style.EndArrowStyle.Fill);
strokeEndArrow = CreatePen(style.EndArrowStyle, thicknessEnd);
_arrowStyleCache.Set(style.EndArrowStyle, Tuple.Create(fillEndArrow, strokeEndArrow));
}
// Line max length.
double x1 = line.Start.X + dx;
double y1 = line.Start.Y + dy;
double x2 = line.End.X + dx;
double y2 = line.End.Y + dy;
line.GetMaxLength(ref x1, ref y1, ref x2, ref y2);
// Arrow transforms.
var sas = style.StartArrowStyle;
var eas = style.EndArrowStyle;
double a1 = Math.Atan2(y1 - y2, x1 - x2) * 180.0 / Math.PI;
double a2 = Math.Atan2(y2 - y1, x2 - x1) * 180.0 / Math.PI;
// Draw start arrow.
pt1 = DrawLineArrowInternal(dc, halfStart, strokeStartArrow, fillStartArrow, x1, y1, a1, sas);
// Draw end arrow.
pt2 = DrawLineArrowInternal(dc, halfEnd, strokeEndArrow, fillEndArrow, x2, y2, a2, eas);
}
/// <summary>
/// Checks if line contains point.
/// </summary>
/// <param name="line"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool Contains(XLine line, Vector2 v, double threshold, double dx, double dy)
{
var a = new Point2(line.Start.X + dx, line.Start.Y + dy);
var b = new Point2(line.End.X + dx, line.End.Y + dy);
var target = new Point2(v.X, v.Y);
var nearest = target.NearestOnLine(a, b);
double distance = target.DistanceTo(nearest);
return(distance < threshold);
}
/// <summary>
/// Transfer selection state to <see cref="ToolState.Three"/>.
/// </summary>
public void ToStateThree()
{
_line43 = XLine.Create(0, 0, _style, null);
_line23 = XLine.Create(0, 0, _style, null);
_helperPoint3 = XPoint.Create(0, 0, _point);
_layer.Shapes = _layer.Shapes.Add(_line43);
_layer.Shapes = _layer.Shapes.Add(_line23);
_layer.Shapes = _layer.Shapes.Add(_helperPoint3);
}
public void Cancel()
{
_state.OverlaySheet.ReleaseCapture();
_state.OverlaySheet.Remove(TempLine);
_state.OverlaySheet.Remove(TempStartEllipse);
_state.OverlaySheet.Remove(TempEndEllipse);
TempLine = null;
TempStartEllipse = null;
TempEndEllipse = null;
}
public void ConnectEnd(XPoint point, XLine line)
{
Action <XElement, XPoint> update = (element, p) =>
{
_blockHelper.SetX2(element as XLine, p.X);
_blockHelper.SetY2(element as XLine, p.Y);
};
point.Connected.Add(new Dependency(line, update));
}
/// <summary>
/// Try to connect <see cref="XLine.End"/> point at specified location.
/// </summary>
/// <param name="line">The line object.</param>
/// <param name="x">The X coordinate of point.</param>
/// <param name="y">The Y coordinate of point.</param>
/// <returns>True if connected.</returns>
public bool TryToConnectEnd(XLine line, double x, double y)
{
var result = ShapeHitTestPoint.HitTest(_editor.Project.CurrentContainer.CurrentLayer.Shapes, new Vector2(x, y), _editor.Project.Options.HitThreshold);
if (result != null && result is XPoint)
{
line.End = result as XPoint;
return(true);
}
return(false);
}
/// <summary>
/// Creates a new <see cref="BaseShape"/> instance.
/// </summary>
/// <param name="pss">The point shape <see cref="ShapeStyle"/>.</param>
/// <returns>The new instance of the <see cref="BaseShape"/> class.</returns>
public static BaseShape CrossPointShape(ShapeStyle pss)
{
var g = XGroup.Create("PointShape");
var builder = g.Shapes.ToBuilder();
builder.Add(XLine.Create(-4, 0, 4, 0, pss, null));
builder.Add(XLine.Create(0, -4, 0, 4, pss, null));
g.Shapes = builder.ToImmutable();
return(g);
}
private void DrawLineCurveInternal(DrawingContext dc, double half, Pen pen, XLine line, ref Point pt1, ref Point pt2, double dx, double dy)
{
double p1x = pt1.X;
double p1y = pt1.Y;
double p2x = pt2.X;
double p2y = pt2.Y;
XLineExtensions.GetCurvedLineBezierControlPoints(
line.Style.LineStyle.CurveOrientation,
line.Style.LineStyle.Curvature,
line.Start.Alignment,
line.End.Alignment,
ref p1x, ref p1y,
ref p2x, ref p2y);
PathGeometry pg = _curvedLineCache.Get(line);
if (pg != null)
{
var pf = pg.Figures[0];
pf.StartPoint = new Point(pt1.X + dx, pt1.Y + dy);
pf.IsFilled = false;
var bs = pf.Segments[0] as BezierSegment;
bs.Point1 = new Point(p1x + dx, p1y + dy);
bs.Point2 = new Point(p2x + dx, p2y + dy);
bs.Point3 = new Point(pt2.X + dx, pt2.Y + dy);
bs.IsStroked = line.IsStroked;
}
else
{
var pf = new PathFigure()
{
StartPoint = new Point(pt1.X + dx, pt1.Y + dy),
IsFilled = false
};
var bs = new BezierSegment(
new Point(p1x + dx, p1y + dy),
new Point(p2x + dx, p2y + dy),
new Point(pt2.X + dx, pt2.Y + dy),
line.IsStroked);
//bs.Freeze();
pf.Segments.Add(bs);
//pf.Freeze();
pg = new PathGeometry();
pg.Figures.Add(pf);
//pg.Freeze();
_curvedLineCache.Set(line, pg);
}
DrawPathGeometryInternal(dc, half, null, pen, line.IsStroked, false, pg);
}
/// <summary>
/// Remove selection.
/// </summary>
public void Remove()
{
if (_ellipse != null)
{
_layer.Shapes = _layer.Shapes.Remove(_ellipse);
_ellipse = null;
}
if (_startLine != null)
{
_layer.Shapes = _layer.Shapes.Remove(_startLine);
_startLine = null;
}
if (_endLine != null)
{
_layer.Shapes = _layer.Shapes.Remove(_endLine);
_endLine = null;
}
if (_p1HelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_p1HelperPoint);
_p1HelperPoint = null;
}
if (_p2HelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_p2HelperPoint);
_p2HelperPoint = null;
}
if (_centerHelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_centerHelperPoint);
_centerHelperPoint = null;
}
if (_startHelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_startHelperPoint);
_startHelperPoint = null;
}
if (_endHelperPoint != null)
{
_layer.Shapes = _layer.Shapes.Remove(_endHelperPoint);
_endHelperPoint = null;
}
_layer.Invalidate();
}
/// <inheritdoc/>
XLine IShapeFactory.Line(XPoint start, XPoint end, bool isStroked)
{
var style = _editor.Project.CurrentStyleLibrary.Selected;
var line = XLine.Create(
start,
end,
_editor.Project.Options.CloneStyle ? style.Clone() : style,
_editor.Project.Options.PointShape,
isStroked);
_editor.Project.AddShape(_editor.Project.CurrentContainer.CurrentLayer, line);
return(line);
}
/// <inheritdoc/>
XLine IShapeFactory.Line(double x1, double y1, double x2, double y2, bool isStroked)
{
var style = _editor.Project.CurrentStyleLibrary.Selected;
var line = XLine.Create(
x1, y1,
x2, y2,
_editor.Project.Options.CloneStyle ? style.Clone() : style,
_editor.Project.Options.PointShape,
isStroked);
_editor.Project.AddShape(_editor.Project.CurrentContainer.CurrentLayer, line);
return(line);
}
private ILine ReadLine()
{
var line = new XLine()
{
Id = _reader.ReadInt32(),
Point1 = ReadPoint(),
Point2 = ReadPoint(),
Stroke = ReadColor(),
StrokeThickness = _reader.ReadDouble()
};
_natives.Add(line.Id, line);
return(line);
}
/// <summary>
/// Transfer selection state to <see cref="ToolState.Three"/>.
/// </summary>
public void ToStateThree()
{
if (_ellipse != null)
{
_layer.Shapes = _layer.Shapes.Remove(_ellipse);
_ellipse = null;
}
_endLine = XLine.Create(0, 0, _style, null);
_endHelperPoint = XPoint.Create(0, 0, _point);
_layer.Shapes = _layer.Shapes.Add(_endLine);
_layer.Shapes = _layer.Shapes.Add(_endHelperPoint);
}
public ItemLine Serialize(XLine line)
{
return(new ItemLine()
{
Id = line.Id,
X1 = _blockHelper.GetX1(line),
Y1 = _blockHelper.GetY1(line),
X2 = _blockHelper.GetX2(line),
Y2 = _blockHelper.GetY2(line),
Stroke = _blockHelper.GetStroke(line),
StartId = line.Start == null ? -1 : line.Start.Id,
EndId = line.End == null ? -1 : line.End.Id
});
}
/// <inheritdoc/>
public override void Draw(object dc, XLine line, double dx, double dy, ImmutableArray <XProperty> db, XRecord r)
{
var _dc = dc as DrawingContext;
var style = line.Style;
if (style == null)
{
return;
}
double zoom = _state.ZoomX;
double thicknessLine = style.Thickness / zoom;
double halfLine = thicknessLine / 2.0;
double thicknessStartArrow = style.StartArrowStyle.Thickness / zoom;
double halfStartArrow = thicknessStartArrow / 2.0;
double thicknessEndArrow = style.EndArrowStyle.Thickness / zoom;
double halfEndArrow = thicknessEndArrow / 2.0;
// Line style.
Tuple <Brush, Pen> styleCached = _styleCache.Get(style);
Brush fillLine;
Pen strokeLine;
if (styleCached != null)
{
fillLine = styleCached.Item1;
strokeLine = styleCached.Item2;
}
else
{
fillLine = CreateBrush(style.Fill);
strokeLine = CreatePen(style, thicknessLine);
_styleCache.Set(style, Tuple.Create(fillLine, strokeLine));
}
Point pt1, pt2;
DrawLineArrowsInternal(_dc, line, style, halfStartArrow, halfEndArrow, thicknessStartArrow, thicknessEndArrow, dx, dy, out pt1, out pt2);
if (line.Style.LineStyle.IsCurved)
{
DrawLineCurveInternal(_dc, halfLine, strokeLine, line, ref pt1, ref pt2, dx, dy);
}
else
{
DrawLineInternal(_dc, halfLine, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
}
public void InitLine()
{
XLine.SetLeftTopAlignment();
XLine.MakeCellIndependent(SchemeView.GridSize);
XLine.Fill = Colorer.GetBrushByValue(null);
XLine.StrokeThickness = WireThickness;
XLine.Tapped += (_, _) => Tapped(this);
XLine.PointerEntered += (_, _) => XLine.StrokeThickness *= 2;
XLine.PointerExited += (_, _) => XLine.StrokeThickness /= 2;
XLine.Stroke = new SolidColorBrush(Colors.Wheat);
XLine.Fill = new SolidColorBrush(Colors.Wheat);
}
void Initialize(IXLine parent, IXLine child)
{
main = parent;
if (child != null)
{
Child = child;
if (!float.IsNaN(child.A.Val) && !float.IsNaN(child.B.Val))
{
OutLine1 = new XLine(main.A, Child.A);
OutLine2 = new XLine(main.B, Child.B);
HasOutLines = true;
}
}
}
private ILine ReadLine()
{
var line = new XLine()
{
Id = _reader.ReadInt32(),
Point1 = ReadPoint(),
Point2 = ReadPoint(),
Stroke = ReadColor(),
StrokeThickness = _reader.ReadDouble()
};
_natives.Add(line.Id, line);
return line;
}
public ILine CreateLine()
{
var line = new XLine()
{
Point1 = new XPoint(0.0, 0.0),
Point2 = new XPoint(0.0, 0.0),
Stroke = new XColor(0xFF, 0x00, 0x00, 0x00),
StrokeThickness = 2.0,
};
line.Point1.Connected.Add(line);
line.Point2.Connected.Add(line);
return line;
}
