/// <summary>
///
/// </summary>
public override void Remove()
{
if (_line12 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_line12);
_line12 = null;
}
if (_line32 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_line32);
_line32 = null;
}
if (_helperPoint1 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint1);
_helperPoint1 = null;
}
if (_helperPoint2 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint2);
_helperPoint2 = null;
}
if (_helperPoint3 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint3);
_helperPoint3 = null;
}
_style = null;
}
/// <summary>
///
/// </summary>
public override void ToStateTwo()
{
_style = _editor.Project.Options.HelperStyle;
_line12 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_line12);
_helperPoint2 = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_helperPoint2);
}
/// <summary>
///
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
public override void LeftDown(double x, double y)
{
double sx = _editor.Project.Options.SnapToGrid ? Editor.Snap(x, _editor.Project.Options.SnapX) : x;
double sy = _editor.Project.Options.SnapToGrid ? Editor.Snap(y, _editor.Project.Options.SnapY) : y;
switch (_currentState)
{
case State.None:
{
_shape = XLine.Create(
sx, sy,
_editor.Project.CurrentStyleLibrary.CurrentStyle,
_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 = State.One;
_editor.CancelAvailable = true;
}
break;
case State.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.AddWithHistory(_shape);
_currentState = State.None;
_editor.CancelAvailable = false;
}
}
break;
}
}
/// <summary>
///
/// </summary>
public override void ToStateThree()
{
_line43 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_line43);
_line23 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_line23);
_helperPoint3 = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_helperPoint3);
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="p"></param>
/// <param name="treshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestLine(XLine line, Vector2 p, double treshold, 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, p);
double distance = MathHelpers.Distance(p.X, p.Y, nearest.X, nearest.Y);
return(distance < treshold);
}
/// <summary>
///
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
public override void LeftDown(double x, double y)
{
double sx = _editor.Project.Options.SnapToGrid ? Editor.Snap(x, _editor.Project.Options.SnapX) : x;
double sy = _editor.Project.Options.SnapToGrid ? Editor.Snap(y, _editor.Project.Options.SnapY) : y;
switch (_currentState)
{
case State.None:
{
_shape = XLine.Create(
sx, sy,
_editor.Project.CurrentStyleLibrary.CurrentStyle,
_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 = State.One;
_editor.CancelAvailable = true;
}
break;
case State.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.AddWithHistory(_shape);
_currentState = State.None;
_editor.CancelAvailable = false;
}
}
break;
}
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public bool TryToConnectEnd(XLine line, double x, double y)
{
var result = ShapeBounds.HitTest(_editor.Project.CurrentContainer, new Vector2(x, y), _editor.Project.Options.HitTreshold);
if (result != null && result is XPoint)
{
line.End = result as XPoint;
return(true);
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="pss"></param>
/// <returns></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);
}
/// <summary>
/// Creates a new instance of the XLine class.
/// </summary>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="isStroked"></param>
/// <returns></returns>
public XLine Line(XPoint start, XPoint end, bool isStroked = true)
{
var line = XLine.Create(
start,
end,
Context.Editor.Project.CurrentStyleLibrary.CurrentStyle,
Context.Editor.Project.Options.PointShape,
isStroked);
Context.Editor.AddWithHistory(line);
return(line);
}
/// <summary>
///
/// </summary>
public override void Remove()
{
if (_ellipse != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_ellipse);
_ellipse = null;
}
if (_startLine != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_startLine);
_startLine = null;
}
if (_endLine != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_endLine);
_endLine = null;
}
if (_p1HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p1HelperPoint);
_p1HelperPoint = null;
}
if (_p2HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p2HelperPoint);
_p2HelperPoint = null;
}
if (_centerHelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_centerHelperPoint);
_centerHelperPoint = null;
}
if (_startHelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_startHelperPoint);
_startHelperPoint = null;
}
if (_endHelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_endHelperPoint);
_endHelperPoint = null;
}
_style = null;
}
/// <summary>
///
/// </summary>
public override void ToStateThree()
{
if (_ellipse != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_ellipse);
_ellipse = null;
}
_endLine = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_endLine);
_endHelperPoint = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_endHelperPoint);
}
/// <summary>
/// Creates a new instance of the XLine class.
/// </summary>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
/// <param name="isStroked"></param>
/// <returns></returns>
public XLine Line(
double x1 = 30, double y1 = 30,
double x2 = 60, double y2 = 30,
bool isStroked = true)
{
var line = XLine.Create(
x1, y1,
x2, y2,
Context.Editor.Project.CurrentStyleLibrary.CurrentStyle,
Context.Editor.Project.Options.PointShape,
isStroked);
Context.Editor.AddWithHistory(line);
return(line);
}
/// <summary>
///
/// </summary>
public override void ToStateTwo()
{
if (_p1HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p1HelperPoint);
_p1HelperPoint = null;
}
if (_p2HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p2HelperPoint);
_p2HelperPoint = null;
}
_startLine = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_startLine);
_startHelperPoint = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_startHelperPoint);
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="y1"></param>
/// <param name="y2"></param>
public static void SetMaxLengthVertical(XLine line, ref double y1, ref double y2)
{
var ls = line.Style.LineStyle;
bool shortenStart = ls.FixedLength.StartTrigger.Flags != ShapeStateFlags.Default &&
line.Start.State.Flags.HasFlag(ls.FixedLength.StartTrigger.Flags) &&
ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.Start);
bool shortenEnd = ls.FixedLength.EndTrigger.Flags != ShapeStateFlags.Default &&
line.End.State.Flags.HasFlag(ls.FixedLength.EndTrigger.Flags) &&
ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.End);
if (shortenStart && !shortenEnd)
{
if (y2 > y1)
{
y1 = y2 - ls.FixedLength.Length;
}
else
{
y1 = y2 + ls.FixedLength.Length;
}
}
if (!shortenStart && shortenEnd)
{
if (y2 > y1)
{
y2 = y1 + ls.FixedLength.Length;
}
else
{
y2 = y1 - ls.FixedLength.Length;
}
}
if (shortenStart && shortenEnd)
{
// TODO: Implement shorten start and end case.
}
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x1"></param>
/// <param name="x2"></param>
public static void SetMaxLengthHorizontal(XLine line, ref double x1, ref double x2)
{
var ls = line.Style.LineStyle;
bool shortenStart = ls.FixedLength.StartTrigger.Flags != ShapeStateFlags.Default &&
line.Start.State.Flags.HasFlag(ls.FixedLength.StartTrigger.Flags) &&
ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.Start);
bool shortenEnd = ls.FixedLength.EndTrigger.Flags != ShapeStateFlags.Default &&
line.End.State.Flags.HasFlag(ls.FixedLength.EndTrigger.Flags) &&
ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.End);
if (shortenStart && !shortenEnd)
{
if (x2 > x1)
{
x1 = x2 - ls.FixedLength.Length;
}
else
{
x1 = x2 + ls.FixedLength.Length;
}
}
if (!shortenStart && shortenEnd)
{
if (x2 > x1)
{
x2 = x1 + ls.FixedLength.Length;
}
else
{
x2 = x1 - ls.FixedLength.Length;
}
}
if (shortenStart && shortenEnd)
{
// TODO: Implement shorten start and end case.
}
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
public static void SetMaxLengthAll(
XLine line,
ref double x1, ref double y1,
ref double x2, ref double y2)
{
var ls = line.Style.LineStyle;
bool shortenStart = ls.FixedLength.StartTrigger.Flags != ShapeStateFlags.Default &&
line.Start.State.Flags.HasFlag(ls.FixedLength.StartTrigger.Flags) &&
ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.Start);
bool shortenEnd = ls.FixedLength.EndTrigger.Flags != ShapeStateFlags.Default &&
line.End.State.Flags.HasFlag(ls.FixedLength.EndTrigger.Flags) &&
ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.End);
if (shortenStart && !shortenEnd)
{
double dx = x1 - x2;
double dy = y1 - y2;
double distance = Math.Sqrt(dx * dx + dy * dy);
x1 = x2 - (x2 - x1) / distance * ls.FixedLength.Length;
y1 = y2 - (y2 - y1) / distance * ls.FixedLength.Length;
}
if (!shortenStart && shortenEnd)
{
double dx = x2 - x1;
double dy = y2 - y1;
double distance = Math.Sqrt(dx * dx + dy * dy);
x2 = x1 - (x1 - x2) / distance * ls.FixedLength.Length;
y2 = y1 - (y1 - y2) / distance * ls.FixedLength.Length;
}
if (shortenStart && shortenEnd)
{
// TODO: Implement shorten start and end case.
}
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
public static void SetMaxLength(
XLine line,
ref double x1, ref double y1,
ref double x2, ref double y2)
{
var ls = line.Style.LineStyle;
if (ls.FixedLength.Flags == LineFixedLengthFlags.Disabled)
{
return;
}
if (ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.All))
{
SetMaxLengthAll(line, ref x1, ref y1, ref x2, ref y2);
}
else
{
if (ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.Vertical))
{
bool isVertical = Math.Round(x1, 1) == Math.Round(x2, 1);
if (isVertical)
{
SetMaxLengthVertical(line, ref y1, ref y2);
}
}
if (ls.FixedLength.Flags.HasFlag(LineFixedLengthFlags.Horizontal))
{
bool isHorizontal = Math.Round(y1, 1) == Math.Round(y2, 1);
if (isHorizontal)
{
SetMaxLengthHorizontal(line, ref x1, ref x2);
}
}
}
}
public void Draw(object ds, XLine line, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
// TODO: Finish draw line implementation.
var _ds = ds as CanvasDrawingSession;
double thicknessLine = line.Style.Thickness / _state.Zoom;
double thicknessStartArrow = line.Style.StartArrowStyle.Thickness / _state.Zoom;
double thicknessEndArrow = line.Style.EndArrowStyle.Thickness / _state.Zoom;
var fillLine = ToColor(line.Style.Fill);
var strokeLine = ToColor(line.Style.Stroke);
var fillStartArrow = ToColor(line.Style.StartArrowStyle.Fill);
var strokeStartArrow = ToColor(line.Style.StartArrowStyle.Stroke);
var fillEndArrow = ToColor(line.Style.EndArrowStyle.Fill);
var strokeEndArrow = ToColor(line.Style.EndArrowStyle.Stroke);
var ssLine = CreateStrokeStyle(line.Style);
var ssStartArrow = CreateStrokeStyle(line.Style.StartArrowStyle);
var ssEndArrow = CreateStrokeStyle(line.Style.EndArrowStyle);
double _x1 = line.Start.X + dx;
double _y1 = line.Start.Y + dy;
double _x2 = line.End.X + dx;
double _y2 = line.End.Y + dy;
XLine.SetMaxLength(line, ref _x1, ref _y1, ref _x2, ref _y2);
float x1 = (float)_x1;
float y1 = (float)_y1;
float x2 = (float)_x2;
float y2 = (float)_y2;
var sas = line.Style.StartArrowStyle;
var eas = line.Style.EndArrowStyle;
float a1 = (float)Math.Atan2(y1 - y2, x1 - x2);
float a2 = (float)Math.Atan2(y2 - y1, x2 - x1);
var t1 = N.Matrix3x2.CreateRotation(a1, new N.Vector2(x1, y1));
var t2 = N.Matrix3x2.CreateRotation(a2, new N.Vector2(x2, y2));
N.Vector2 pt1;
N.Vector2 pt2;
double radiusX1 = sas.RadiusX;
double radiusY1 = sas.RadiusY;
double sizeX1 = 2.0 * radiusX1;
double sizeY1 = 2.0 * radiusY1;
switch (sas.ArrowType)
{
default:
case ArrowType.None:
{
pt1 = new N.Vector2(x1, y1);
}
break;
case ArrowType.Rectangle:
{
pt1 = N.Vector2.Transform(new N.Vector2(x1 - (float)sizeX1, y1), t1);
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
var old = _ds.Transform;
_ds.Transform = t1;
DrawRectangleInternal(_ds, fillStartArrow, strokeStartArrow, ssStartArrow, sas.IsStroked, sas.IsFilled, ref rect, thicknessStartArrow);
_ds.Transform = old;
}
break;
case ArrowType.Ellipse:
{
pt1 = N.Vector2.Transform(new N.Vector2(x1 - (float)sizeX1, y1), t1);
var old = _ds.Transform;
_ds.Transform = t1;
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
DrawEllipseInternal(_ds, fillStartArrow, strokeStartArrow, ssStartArrow, sas.IsStroked, sas.IsFilled, ref rect, thicknessStartArrow);
_ds.Transform = old;
}
break;
case ArrowType.Arrow:
{
pt1 = N.Vector2.Transform(new N.Vector2(x1, y1), t1);
var p11 = N.Vector2.Transform(new N.Vector2(x1 - (float)sizeX1, y1 + (float)sizeY1), t1);
var p21 = N.Vector2.Transform(new N.Vector2(x1, y1), t1);
var p12 = N.Vector2.Transform(new N.Vector2(x1 - (float)sizeX1, y1 - (float)sizeY1), t1);
var p22 = N.Vector2.Transform(new N.Vector2(x1, y1), t1);
DrawLineInternal(_ds, strokeStartArrow, ssStartArrow, sas.IsStroked, ref p11, ref p21, thicknessStartArrow);
DrawLineInternal(_ds, strokeStartArrow, ssStartArrow, sas.IsStroked, ref p12, ref p22, thicknessStartArrow);
}
break;
}
double radiusX2 = eas.RadiusX;
double radiusY2 = eas.RadiusY;
double sizeX2 = 2.0 * radiusX2;
double sizeY2 = 2.0 * radiusY2;
switch (eas.ArrowType)
{
default:
case ArrowType.None:
{
pt2 = new N.Vector2(x2, y2);
}
break;
case ArrowType.Rectangle:
{
pt2 = N.Vector2.Transform(new N.Vector2(x2 - (float)sizeX2, y2), t2);
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
var old = _ds.Transform;
_ds.Transform = t1;
DrawRectangleInternal(_ds, fillEndArrow, strokeEndArrow, ssEndArrow, eas.IsStroked, eas.IsFilled, ref rect, thicknessEndArrow);
_ds.Transform = old;
}
break;
case ArrowType.Ellipse:
{
pt2 = N.Vector2.Transform(new N.Vector2(x2 - (float)sizeX2, y2), t2);
var old = _ds.Transform;
_ds.Transform = t1;
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
DrawEllipseInternal(_ds, fillEndArrow, strokeEndArrow, ssEndArrow, eas.IsStroked, eas.IsFilled, ref rect, thicknessEndArrow);
_ds.Transform = old;
}
break;
case ArrowType.Arrow:
{
pt2 = N.Vector2.Transform(new N.Vector2(x2, y2), t2);
var p11 = N.Vector2.Transform(new N.Vector2(x2 - (float)sizeX2, y2 + (float)sizeY2), t2);
var p21 = N.Vector2.Transform(new N.Vector2(x2, y2), t2);
var p12 = N.Vector2.Transform(new N.Vector2(x2 - (float)sizeX2, y2 - (float)sizeY2), t2);
var p22 = N.Vector2.Transform(new N.Vector2(x2, y2), t2);
DrawLineInternal(_ds, strokeEndArrow, ssEndArrow, eas.IsStroked, ref p11, ref p21, thicknessEndArrow);
DrawLineInternal(_ds, strokeEndArrow, ssEndArrow, eas.IsStroked, ref p12, ref p22, thicknessEndArrow);
}
break;
}
DrawLineInternal(_ds, strokeLine, ssLine, line.IsStroked, ref pt1, ref pt2, thicknessLine);
ssEndArrow.Dispose();
ssStartArrow.Dispose();
ssLine.Dispose();
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public bool TryToConnectStart(XLine line, double x, double y)
{
var result = ShapeBounds.HitTest(_editor.Project.CurrentContainer, new Vector2(x, y), _editor.Project.Options.HitTreshold);
if (result != null && result is XPoint)
{
line.Start = result as XPoint;
return true;
}
return false;
}
/// <summary>
///
/// </summary>
public override void ToStateTwo()
{
_style = _editor.Project.Options.HelperStyle;
_line12 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_line12);
_helperPoint2 = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_helperPoint2);
}
private void ToStateTwoQBezier()
{
_style = _editor.Project.Options.HelperStyle;
_qbezierLine12 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_qbezierLine12);
_qbezierLine32 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_qbezierLine32);
_qbezierHelperPoint2 = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_qbezierHelperPoint2);
}
/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="line"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, XLine line, double dx, double dy, ImmutableArray <ShapeProperty> db, Record r)
{
var _gfx = gfx as Graphics;
Brush fillLine = ToSolidBrush(line.Style.Fill);
Pen strokeLine = ToPen(line.Style, _scaleToPage);
Brush fillStartArrow = ToSolidBrush(line.Style.StartArrowStyle.Fill);
Pen strokeStartArrow = ToPen(line.Style.StartArrowStyle, _scaleToPage);
Brush fillEndArrow = ToSolidBrush(line.Style.EndArrowStyle.Fill);
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;
XLine.SetMaxLength(line, 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;
float a1 = (float)(Math.Atan2(y1 - y2, x1 - x2) * 180.0 / Math.PI);
float a2 = (float)(Math.Atan2(y2 - y1, x2 - x1) * 180.0 / Math.PI);
var t1 = new Matrix();
var c1 = new PointF(x1, y1);
t1.RotateAt(a1, c1);
var t2 = new Matrix();
var c2 = new PointF(x2, y2);
t2.RotateAt(a2, c2);
PointF pt1;
PointF pt2;
double radiusX1 = sas.RadiusX;
double radiusY1 = sas.RadiusY;
double sizeX1 = 2.0 * radiusX1;
double sizeY1 = 2.0 * radiusY1;
switch (sas.ArrowType)
{
default:
case ArrowType.None:
{
pt1 = new PointF(x1, y1);
}
break;
case ArrowType.Rectangle:
{
var pts = new PointF[] { new PointF(x1 - (float)sizeX1, y1) };
t1.TransformPoints(pts);
pt1 = pts[0];
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
var gs = _gfx.Save();
_gfx.MultiplyTransform(t1);
DrawRectangleInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Ellipse:
{
var pts = new PointF[] { new PointF(x1 - (float)sizeX1, y1) };
t1.TransformPoints(pts);
pt1 = pts[0];
var gs = _gfx.Save();
_gfx.MultiplyTransform(t1);
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
DrawEllipseInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Arrow:
{
var pts = new PointF[]
{
new PointF(x1, y1),
new PointF(x1 - (float)sizeX1, y1 + (float)sizeY1),
new PointF(x1, y1),
new PointF(x1 - (float)sizeX1, y1 - (float)sizeY1),
new PointF(x1, y1)
};
t1.TransformPoints(pts);
pt1 = pts[0];
var p11 = pts[1];
var p21 = pts[2];
var p12 = pts[3];
var p22 = pts[4];
DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p11, ref p21);
DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p12, ref p22);
}
break;
}
double radiusX2 = eas.RadiusX;
double radiusY2 = eas.RadiusY;
double sizeX2 = 2.0 * radiusX2;
double sizeY2 = 2.0 * radiusY2;
switch (eas.ArrowType)
{
default:
case ArrowType.None:
{
pt2 = new PointF(x2, y2);
}
break;
case ArrowType.Rectangle:
{
var pts = new PointF[] { new PointF(x2 - (float)sizeX2, y2) };
t2.TransformPoints(pts);
pt2 = pts[0];
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
var gs = _gfx.Save();
_gfx.MultiplyTransform(t2);
DrawRectangleInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Ellipse:
{
var pts = new PointF[] { new PointF(x2 - (float)sizeX2, y2) };
t2.TransformPoints(pts);
pt2 = pts[0];
var gs = _gfx.Save();
_gfx.MultiplyTransform(t2);
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
DrawEllipseInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Arrow:
{
var pts = new PointF[]
{
new PointF(x2, y2),
new PointF(x2 - (float)sizeX2, y2 + (float)sizeY2),
new PointF(x2, y2),
new PointF(x2 - (float)sizeX2, y2 - (float)sizeY2),
new PointF(x2, y2)
};
t2.TransformPoints(pts);
pt2 = pts[0];
var p11 = pts[1];
var p21 = pts[2];
var p12 = pts[3];
var p22 = pts[4];
DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p11, ref p21);
DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p12, ref p22);
}
break;
}
_gfx.DrawLine(strokeLine, pt1, pt2);
fillLine.Dispose();
strokeLine.Dispose();
fillStartArrow.Dispose();
strokeStartArrow.Dispose();
fillEndArrow.Dispose();
strokeEndArrow.Dispose();
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x1"></param>
/// <param name="x2"></param>
public static void SetMaxLengthHorizontal(XLine line, ref double x1, ref double x2)
{
var ls = line.Style.LineStyle;
bool shortenStart = ls.MaxLengthStartState != ShapeState.Default
&& line.Start.State.HasFlag(ls.MaxLengthStartState)
&& ls.MaxLengthFlags.HasFlag(MaxLengthFlags.Start);
bool shortenEnd = ls.MaxLengthEndState != ShapeState.Default
&& line.End.State.HasFlag(ls.MaxLengthEndState)
&& ls.MaxLengthFlags.HasFlag(MaxLengthFlags.End);
if (shortenStart && !shortenEnd)
{
if (x2 > x1)
x1 = x2 - ls.MaxLength;
else
x1 = x2 + ls.MaxLength;
}
if (!shortenStart && shortenEnd)
{
if (x2 > x1)
x2 = x1 + ls.MaxLength;
else
x2 = x1 - ls.MaxLength;
}
if (shortenStart && shortenEnd)
{
// TODO: Implement shorten start and end case.
}
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="line"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object dc, XLine line, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _dc = dc as IDrawingContext;
Brush fillLine = ToSolidBrush(line.Style.Fill);
Pen strokeLine = ToPen(line.Style, _scaleToPage);
Brush fillStartArrow = ToSolidBrush(line.Style.StartArrowStyle.Fill);
Pen strokeStartArrow = ToPen(line.Style.StartArrowStyle, _scaleToPage);
Brush fillEndArrow = ToSolidBrush(line.Style.EndArrowStyle.Fill);
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;
XLine.SetMaxLength(line, 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);
var t1 = MatrixHelper.Rotation(a1, new Vector(x1, y1));
var t2 = MatrixHelper.Rotation(a2, new Vector(x2, y2));
Point pt1 = default(Point);
Point pt2 = default(Point);
double radiusX1 = sas.RadiusX;
double radiusY1 = sas.RadiusY;
double sizeX1 = 2.0 * radiusX1;
double sizeY1 = 2.0 * radiusY1;
switch (sas.ArrowType)
{
default:
case ArrowType.None:
{
pt1 = new Point(x1, y1);
}
break;
case ArrowType.Rectangle:
{
pt1 = MatrixHelper.TransformPoint(t1, new Point(x1 - (float)sizeX1, y1));
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
var d = _dc.PushTransform(t1);
DrawRectangleInternal(_dc, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
d.Dispose();
}
break;
case ArrowType.Ellipse:
{
pt1 = MatrixHelper.TransformPoint(t1, new Point(x1 - (float)sizeX1, y1));
var d = _dc.PushTransform(t1);
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
DrawEllipseInternal(_dc, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
d.Dispose();
}
break;
case ArrowType.Arrow:
{
var pts = new Point[]
{
new Point(x1, y1),
new Point(x1 - (float)sizeX1, y1 + (float)sizeY1),
new Point(x1, y1),
new Point(x1 - (float)sizeX1, y1 - (float)sizeY1),
new Point(x1, y1)
};
pt1 = MatrixHelper.TransformPoint(t1, pts[0]);
var p11 = MatrixHelper.TransformPoint(t1, pts[1]);
var p21 = MatrixHelper.TransformPoint(t1, pts[2]);
var p12 = MatrixHelper.TransformPoint(t1, pts[3]);
var p22 = MatrixHelper.TransformPoint(t1, pts[4]);
DrawLineInternal(_dc, strokeStartArrow, sas.IsStroked, ref p11, ref p21);
DrawLineInternal(_dc, strokeStartArrow, sas.IsStroked, ref p12, ref p22);
}
break;
}
double radiusX2 = eas.RadiusX;
double radiusY2 = eas.RadiusY;
double sizeX2 = 2.0 * radiusX2;
double sizeY2 = 2.0 * radiusY2;
switch (eas.ArrowType)
{
default:
case ArrowType.None:
{
pt2 = new Point(x2, y2);
}
break;
case ArrowType.Rectangle:
{
pt2 = MatrixHelper.TransformPoint(t2, new Point(x2 - (float)sizeX2, y2));
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
var d = _dc.PushTransform(t2);
DrawRectangleInternal(_dc, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
d.Dispose();
}
break;
case ArrowType.Ellipse:
{
pt2 = MatrixHelper.TransformPoint(t2, new Point(x2 - (float)sizeX2, y2));
var d = _dc.PushTransform(t2);
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
DrawEllipseInternal(_dc, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
d.Dispose();
}
break;
case ArrowType.Arrow:
{
var pts = new Point[]
{
new Point(x2, y2),
new Point(x2 - (float)sizeX2, y2 + (float)sizeY2),
new Point(x2, y2),
new Point(x2 - (float)sizeX2, y2 - (float)sizeY2),
new Point(x2, y2)
};
pt2 = MatrixHelper.TransformPoint(t2, pts[0]);
var p11 = MatrixHelper.TransformPoint(t2, pts[1]);
var p21 = MatrixHelper.TransformPoint(t2, pts[2]);
var p12 = MatrixHelper.TransformPoint(t2, pts[3]);
var p22 = MatrixHelper.TransformPoint(t2, pts[4]);
DrawLineInternal(_dc, strokeEndArrow, eas.IsStroked, ref p11, ref p21);
DrawLineInternal(_dc, strokeEndArrow, eas.IsStroked, ref p12, ref p22);
}
break;
}
_dc.DrawLine(strokeLine, pt1, pt2);
// TODO: fillLine.Dispose();
// TODO: strokeLine.Dispose();
// TODO: fillStartArrow.Dispose();
// TODO: strokeStartArrow.Dispose();
// TODO: fillEndArrow.Dispose();
// TODO: strokeEndArrow.Dispose();
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="line"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object dc, XLine line, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _dc = dc as DrawingContext;
var style = line.Style;
if (style == null)
return;
double zoom = _state.Zoom;
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> lineCache = null;
Brush fillLine;
Pen strokeLine;
if (_enableStyleCache
&& _styleCache.TryGetValue(style, out lineCache))
{
fillLine = lineCache.Item1;
strokeLine = lineCache.Item2;
}
else
{
fillLine = CreateBrush(style.Fill);
strokeLine = CreatePen(style, thicknessLine);
if (_enableStyleCache)
_styleCache.Add(style, Tuple.Create(fillLine, strokeLine));
}
// start arrow style
Tuple<Brush, Pen> startArrowCache = null;
Brush fillStartArrow;
Pen strokeStartArrow;
if (_enableArrowStyleCache
&& _arrowStyleCache.TryGetValue(style.StartArrowStyle, out startArrowCache))
{
fillStartArrow = startArrowCache.Item1;
strokeStartArrow = startArrowCache.Item2;
}
else
{
fillStartArrow = CreateBrush(style.StartArrowStyle.Fill);
strokeStartArrow = CreatePen(style.StartArrowStyle, thicknessStartArrow);
if (_enableArrowStyleCache)
_arrowStyleCache.Add(style.StartArrowStyle, Tuple.Create(fillStartArrow, strokeStartArrow));
}
// end arrow style
Tuple<Brush, Pen> endArrowCache = null;
Brush fillEndArrow;
Pen strokeEndArrow;
if (_enableArrowStyleCache
&& _arrowStyleCache.TryGetValue(style.EndArrowStyle, out endArrowCache))
{
fillEndArrow = endArrowCache.Item1;
strokeEndArrow = endArrowCache.Item2;
}
else
{
fillEndArrow = CreateBrush(style.EndArrowStyle.Fill);
strokeEndArrow = CreatePen(style.EndArrowStyle, thicknessEndArrow);
if (_enableArrowStyleCache)
_arrowStyleCache.Add(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;
XLine.SetMaxLength(line, 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;
bool doRectTransform1 = a1 % 90.0 != 0.0;
bool doRectTransform2 = a2 % 90.0 != 0.0;
var t1 = new RotateTransform(a1, x1, y1);
var t2 = new RotateTransform(a2, x2, y2);
Point pt1;
Point pt2;
// draw start arrow
double radiusX1 = sas.RadiusX;
double radiusY1 = sas.RadiusY;
double sizeX1 = 2.0 * radiusX1;
double sizeY1 = 2.0 * radiusY1;
switch (sas.ArrowType)
{
default:
case ArrowType.None:
{
pt1 = new Point(x1, y1);
}
break;
case ArrowType.Rectangle:
{
pt1 = t1.Transform(new Point(x1 - sizeX1, y1));
var rect = new Rect(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
if (doRectTransform1)
{
_dc.PushTransform(t1);
DrawRectangleInternal(_dc, halfStartArrow, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_dc.Pop();
}
else
{
var bounds = t1.TransformBounds(rect);
DrawRectangleInternal(_dc, halfStartArrow, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref bounds);
}
}
break;
case ArrowType.Ellipse:
{
pt1 = t1.Transform(new Point(x1 - sizeX1, y1));
_dc.PushTransform(t1);
var c = new Point(x1 - radiusX1, y1);
DrawEllipseInternal(_dc, halfStartArrow, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref c, radiusX1, radiusY1);
_dc.Pop();
}
break;
case ArrowType.Arrow:
{
pt1 = t1.Transform(new Point(x1, y1));
var p11 = t1.Transform(new Point(x1 - sizeX1, y1 + sizeY1));
var p21 = t1.Transform(new Point(x1, y1));
var p12 = t1.Transform(new Point(x1 - sizeX1, y1 - sizeY1));
var p22 = t1.Transform(new Point(x1, y1));
DrawLineInternal(_dc, halfStartArrow, strokeStartArrow, sas.IsStroked, ref p11, ref p21);
DrawLineInternal(_dc, halfStartArrow, strokeStartArrow, sas.IsStroked, ref p12, ref p22);
}
break;
}
// draw end arrow
double radiusX2 = eas.RadiusX;
double radiusY2 = eas.RadiusY;
double sizeX2 = 2.0 * radiusX2;
double sizeY2 = 2.0 * radiusY2;
switch (eas.ArrowType)
{
default:
case ArrowType.None:
{
pt2 = new Point(x2, y2);
}
break;
case ArrowType.Rectangle:
{
pt2 = t2.Transform(new Point(x2 - sizeX2, y2));
var rect = new Rect(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
if (doRectTransform2)
{
_dc.PushTransform(t2);
DrawRectangleInternal(_dc, halfEndArrow, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_dc.Pop();
}
else
{
var bounds = t2.TransformBounds(rect);
DrawRectangleInternal(_dc, halfEndArrow, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref bounds);
}
}
break;
case ArrowType.Ellipse:
{
pt2 = t2.Transform(new Point(x2 - sizeX2, y2));
_dc.PushTransform(t2);
var c = new Point(x2 - radiusX2, y2);
DrawEllipseInternal(_dc, halfEndArrow, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref c, radiusX2, radiusY2);
_dc.Pop();
}
break;
case ArrowType.Arrow:
{
pt2 = t2.Transform(new Point(x2, y2));
var p11 = t2.Transform(new Point(x2 - sizeX2, y2 + sizeY2));
var p21 = t2.Transform(new Point(x2, y2));
var p12 = t2.Transform(new Point(x2 - sizeX2, y2 - sizeY2));
var p22 = t2.Transform(new Point(x2, y2));
DrawLineInternal(_dc, halfEndArrow, strokeEndArrow, eas.IsStroked, ref p11, ref p21);
DrawLineInternal(_dc, halfEndArrow, strokeEndArrow, eas.IsStroked, ref p12, ref p22);
}
break;
}
// draw line using points from arrow transforms
DrawLineInternal(_dc, halfLine, strokeLine, line.IsStroked, ref pt1, ref pt2);
}
private void RemoveQBezierHelpers()
{
if (_qbezierLine12 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_qbezierLine12);
_qbezierLine12 = null;
}
if (_qbezierLine32 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_qbezierLine32);
_qbezierLine32 = null;
}
if (_qbezierHelperPoint1 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_qbezierHelperPoint1);
_qbezierHelperPoint1 = null;
}
if (_qbezierHelperPoint2 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_qbezierHelperPoint2);
_qbezierHelperPoint2 = null;
}
if (_qbezierHelperPoint3 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_qbezierHelperPoint3);
_qbezierHelperPoint3 = null;
}
_style = null;
}
/// <summary>
///
/// </summary>
public override void Remove()
{
if (_ellipse != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_ellipse);
_ellipse = null;
}
if (_startLine != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_startLine);
_startLine = null;
}
if (_endLine != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_endLine);
_endLine = null;
}
if (_p1HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p1HelperPoint);
_p1HelperPoint = null;
}
if (_p2HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p2HelperPoint);
_p2HelperPoint = null;
}
if (_centerHelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_centerHelperPoint);
_centerHelperPoint = null;
}
if (_startHelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_startHelperPoint);
_startHelperPoint = null;
}
if (_endHelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_endHelperPoint);
_endHelperPoint = null;
}
_style = null;
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="p"></param>
/// <param name="treshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestLine(XLine line, Vector2 p, double treshold, 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, p);
double distance = MathHelpers.Distance(p.X, p.Y, nearest.X, nearest.Y);
return distance < treshold;
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
public static void SetMaxLength(
XLine line,
ref double x1, ref double y1,
ref double x2, ref double y2)
{
var ls = line.Style.LineStyle;
if (ls.MaxLengthFlags == MaxLengthFlags.Disabled)
return;
if (ls.MaxLengthFlags.HasFlag(MaxLengthFlags.All))
{
SetMaxLengthAll(line, ref x1, ref y1, ref x2, ref y2);
}
else
{
if (ls.MaxLengthFlags.HasFlag(MaxLengthFlags.Vertical))
{
bool isVertical = Math.Round(x1, 1) == Math.Round(x2, 1);
if (isVertical)
{
SetMaxLengthVertical(line, ref y1, ref y2);
}
}
if (ls.MaxLengthFlags.HasFlag(MaxLengthFlags.Horizontal))
{
bool isHorizontal = Math.Round(y1, 1) == Math.Round(y2, 1);
if (isHorizontal)
{
SetMaxLengthHorizontal(line, ref x1, ref x2);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="x1"></param>
/// <param name="y1"></param>
/// <param name="x2"></param>
/// <param name="y2"></param>
public static void SetMaxLengthAll(
XLine line,
ref double x1, ref double y1,
ref double x2, ref double y2)
{
var ls = line.Style.LineStyle;
bool shortenStart = ls.MaxLengthStartState != ShapeState.Default
&& line.Start.State.HasFlag(ls.MaxLengthStartState)
&& ls.MaxLengthFlags.HasFlag(MaxLengthFlags.Start);
bool shortenEnd = ls.MaxLengthEndState != ShapeState.Default
&& line.End.State.HasFlag(ls.MaxLengthEndState)
&& ls.MaxLengthFlags.HasFlag(MaxLengthFlags.End);
if (shortenStart && !shortenEnd)
{
double dx = x1 - x2;
double dy = y1 - y2;
double distance = Math.Sqrt(dx * dx + dy * dy);
x1 = x2 - (x2 - x1) / distance * ls.MaxLength;
y1 = y2 - (y2 - y1) / distance * ls.MaxLength;
}
if (!shortenStart && shortenEnd)
{
double dx = x2 - x1;
double dy = y2 - y1;
double distance = Math.Sqrt(dx * dx + dy * dy);
x2 = x1 - (x1 - x2) / distance * ls.MaxLength;
y2 = y1 - (y1 - y2) / distance * ls.MaxLength;
}
if (shortenStart && shortenEnd)
{
// TODO: Implement shorten start and end case.
}
}
/// <summary>
///
/// </summary>
public override void Remove()
{
if (_line12 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_line12);
_line12 = null;
}
if (_line43 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_line43);
_line43 = null;
}
if (_line23 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_line23);
_line23 = null;
}
if (_helperPoint1 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint1);
_helperPoint1 = null;
}
if (_helperPoint2 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint2);
_helperPoint2 = null;
}
if (_helperPoint3 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint3);
_helperPoint3 = null;
}
if (_helperPoint4 != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_helperPoint4);
_helperPoint4 = null;
}
_style = null;
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
/// <param name="y1"></param>
/// <param name="y2"></param>
public static void SetMaxLengthVertical(XLine line, ref double y1, ref double y2)
{
var ls = line.Style.LineStyle;
bool shortenStart = ls.MaxLengthStartState != ShapeState.Default
&& line.Start.State.HasFlag(ls.MaxLengthStartState)
&& ls.MaxLengthFlags.HasFlag(MaxLengthFlags.Start);
bool shortenEnd = ls.MaxLengthEndState != ShapeState.Default
&& line.End.State.HasFlag(ls.MaxLengthEndState)
&& ls.MaxLengthFlags.HasFlag(MaxLengthFlags.End);
if (shortenStart && !shortenEnd)
{
if (y2 > y1)
y1 = y2 - ls.MaxLength;
else
y1 = y2 + ls.MaxLength;
}
if (!shortenStart && shortenEnd)
{
if (y2 > y1)
y2 = y1 + ls.MaxLength;
else
y2 = y1 - ls.MaxLength;
}
if (shortenStart && shortenEnd)
{
// TODO: Implement shorten start and end case.
}
}
/// <summary>
///
/// </summary>
public override void ToStateThree()
{
_line43 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_line43);
_line23 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_line23);
_helperPoint3 = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_helperPoint3);
}
/// <summary>
///
/// </summary>
public override void ToStateThree()
{
if (_ellipse != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_ellipse);
_ellipse = null;
}
_endLine = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_endLine);
_endHelperPoint = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_endHelperPoint);
}
private void ToStateThreeBezier()
{
_bezierLine43 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_bezierLine43);
_bezierLine23 = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_bezierLine23);
_bezierHelperPoint3 = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_bezierHelperPoint3);
}
/// <summary>
///
/// </summary>
/// <param name="gfx"></param>
/// <param name="line"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object gfx, XLine line, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _gfx = gfx as Graphics;
Brush fillLine = ToSolidBrush(line.Style.Fill);
Pen strokeLine = ToPen(line.Style, _scaleToPage);
Brush fillStartArrow = ToSolidBrush(line.Style.StartArrowStyle.Fill);
Pen strokeStartArrow = ToPen(line.Style.StartArrowStyle, _scaleToPage);
Brush fillEndArrow = ToSolidBrush(line.Style.EndArrowStyle.Fill);
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;
XLine.SetMaxLength(line, 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;
float a1 = (float)(Math.Atan2(y1 - y2, x1 - x2) * 180.0 / Math.PI);
float a2 = (float)(Math.Atan2(y2 - y1, x2 - x1) * 180.0 / Math.PI);
var t1 = new Matrix();
var c1 = new PointF(x1, y1);
t1.RotateAt(a1, c1);
var t2 = new Matrix();
var c2 = new PointF(x2, y2);
t2.RotateAt(a2, c2);
PointF pt1;
PointF pt2;
double radiusX1 = sas.RadiusX;
double radiusY1 = sas.RadiusY;
double sizeX1 = 2.0 * radiusX1;
double sizeY1 = 2.0 * radiusY1;
switch (sas.ArrowType)
{
default:
case ArrowType.None:
{
pt1 = new PointF(x1, y1);
}
break;
case ArrowType.Rectangle:
{
var pts = new PointF[] { new PointF(x1 - (float)sizeX1, y1) };
t1.TransformPoints(pts);
pt1 = pts[0];
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
var gs = _gfx.Save();
_gfx.MultiplyTransform(t1);
DrawRectangleInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Ellipse:
{
var pts = new PointF[] { new PointF(x1 - (float)sizeX1, y1) };
t1.TransformPoints(pts);
pt1 = pts[0];
var gs = _gfx.Save();
_gfx.MultiplyTransform(t1);
var rect = new Rect2(x1 - sizeX1, y1 - radiusY1, sizeX1, sizeY1);
DrawEllipseInternal(_gfx, fillStartArrow, strokeStartArrow, sas.IsStroked, sas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Arrow:
{
var pts = new PointF[]
{
new PointF(x1, y1),
new PointF(x1 - (float)sizeX1, y1 + (float)sizeY1),
new PointF(x1, y1),
new PointF(x1 - (float)sizeX1, y1 - (float)sizeY1),
new PointF(x1, y1)
};
t1.TransformPoints(pts);
pt1 = pts[0];
var p11 = pts[1];
var p21 = pts[2];
var p12 = pts[3];
var p22 = pts[4];
DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p11, ref p21);
DrawLineInternal(_gfx, strokeStartArrow, sas.IsStroked, ref p12, ref p22);
}
break;
}
double radiusX2 = eas.RadiusX;
double radiusY2 = eas.RadiusY;
double sizeX2 = 2.0 * radiusX2;
double sizeY2 = 2.0 * radiusY2;
switch (eas.ArrowType)
{
default:
case ArrowType.None:
{
pt2 = new PointF(x2, y2);
}
break;
case ArrowType.Rectangle:
{
var pts = new PointF[] { new PointF(x2 - (float)sizeX2, y2) };
t2.TransformPoints(pts);
pt2 = pts[0];
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
var gs = _gfx.Save();
_gfx.MultiplyTransform(t2);
DrawRectangleInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Ellipse:
{
var pts = new PointF[] { new PointF(x2 - (float)sizeX2, y2) };
t2.TransformPoints(pts);
pt2 = pts[0];
var gs = _gfx.Save();
_gfx.MultiplyTransform(t2);
var rect = new Rect2(x2 - sizeX2, y2 - radiusY2, sizeX2, sizeY2);
DrawEllipseInternal(_gfx, fillEndArrow, strokeEndArrow, eas.IsStroked, eas.IsFilled, ref rect);
_gfx.Restore(gs);
}
break;
case ArrowType.Arrow:
{
var pts = new PointF[]
{
new PointF(x2, y2),
new PointF(x2 - (float)sizeX2, y2 + (float)sizeY2),
new PointF(x2, y2),
new PointF(x2 - (float)sizeX2, y2 - (float)sizeY2),
new PointF(x2, y2)
};
t2.TransformPoints(pts);
pt2 = pts[0];
var p11 = pts[1];
var p21 = pts[2];
var p12 = pts[3];
var p22 = pts[4];
DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p11, ref p21);
DrawLineInternal(_gfx, strokeEndArrow, eas.IsStroked, ref p12, ref p22);
}
break;
}
_gfx.DrawLine(strokeLine, pt1, pt2);
fillLine.Dispose();
strokeLine.Dispose();
fillStartArrow.Dispose();
strokeStartArrow.Dispose();
fillEndArrow.Dispose();
strokeEndArrow.Dispose();
}
/// <summary>
///
/// </summary>
public override void ToStateTwo()
{
if (_p1HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p1HelperPoint);
_p1HelperPoint = null;
}
if (_p2HelperPoint != null)
{
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Remove(_p2HelperPoint);
_p2HelperPoint = null;
}
_startLine = XLine.Create(0, 0, _style, null);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_startLine);
_startHelperPoint = XPoint.Create(0, 0, _editor.Project.Options.PointShape);
_editor.Project.CurrentContainer.HelperLayer.Shapes = _editor.Project.CurrentContainer.HelperLayer.Shapes.Add(_startHelperPoint);
}