public override void Draw()
{
Width = Global_Object.LengthBetweenPoints(props._oriMousePos, props._desMousePos);
Height = Width * rate;
if (Height > 40)
{
Height = 40;
}
props._start.X = 0;
props._start.Y = Height;
props._end.X = Width;
props._end.Y = Height;
//Control point
props.xDiff = props._desMousePos.X - props._oriMousePos.X;
props.yDiff = props._desMousePos.Y - props._oriMousePos.Y;
controlPoint.X = Width / 2;
controlPoint.Y = -Height / 1.5;
//Middle point of curve path
//-----------Middle point-------------
props._middle.X = (1 - t) * (1 - t) * (1 - t) * props._start.X + 3 * (1 - t) * (1 - t) * t * props._start.X + 3 * (1 - t) * t * t * controlPoint.X + t * t * t * props._end.X;
props._middle.Y = (1 - t) * (1 - t) * (1 - t) * props._start.Y + 3 * (1 - t) * (1 - t) * t * props._start.Y + 3 * (1 - t) * t * t * controlPoint.Y + t * t * t * props._end.Y;
//--------------------------------
// Point at _start and _end
props._pointTail.RenderTransform = new TranslateTransform(Width / 2, Height / 2);
props._pointHead.RenderTransform = new TranslateTransform(-Width / 2, Height / 2);
//Arrow show direction
//3 Point of Triangle
props.arrowPoints[0] = (new Point(props._middle.X - props.sizeArrow, props._middle.Y - props.sizeArrow));
props.arrowPoints[1] = (new Point(props._middle.X - props.sizeArrow, props._middle.Y + props.sizeArrow));
props.arrowPoints[2] = (new Point(props._middle.X + props.sizeArrow + 1, props._middle.Y));
props._arrow.Points = props.arrowPoints;
//Position the Path
bezierSegment.Point1 = props._start;
bezierSegment.Point2 = controlPoint;
bezierSegment.Point3 = props._end;
bezierSegment.IsStroked = true;
if (props.pathSegments.Count > 0)
{
props.pathSegments[0] = bezierSegment;
}
else
{
props.pathSegments.Add(bezierSegment);
}
props.pathFigure.StartPoint = props._start;
//Render Path
props.rotate = (Math.Atan2(props.yDiff, props.xDiff) * 180.0 / Math.PI);
props.myRotateTransform.Angle = props.rotate;
props.myTranslate = new TranslateTransform(props._oriMousePos.X, props._oriMousePos.Y - (Height));
props.myTransformGroup.Children[1] = props.myTranslate;
// SPECIAL POINTS
props.cornerPoints[0] = CoorPointAtBorder(new Point((0), (Height / 2))); //mid-left
props.cornerPoints[1] = CoorPointAtBorder(new Point((0), (0))); //top-left
props.cornerPoints[2] = CoorPointAtBorder(new Point((Width / 2), (0))); //top-mid
props.cornerPoints[3] = CoorPointAtBorder(new Point((Width), (0))); //top-right
props.cornerPoints[4] = CoorPointAtBorder(new Point((Width), (Height / 2))); //mid-right
props.cornerPoints[5] = CoorPointAtBorder(new Point((Width), (Height))); //bot-right
props.cornerPoints[6] = CoorPointAtBorder(new Point((Width / 2), (Height))); //bot-mid
props.cornerPoints[7] = CoorPointAtBorder(new Point((0), (Height))); //bot-left
}
public Point CoorPointAtBorder(Point pointOnBorder)
{
double xDiff = (pointOnBorder.X) - (props._start.X);
double yDiff = (pointOnBorder.Y) - (props._start.Y);
double rad1 = (props.rotate * Math.PI) / 180;
double rad2 = (Math.Atan2(yDiff, xDiff));
double L = Global_Object.LengthBetweenPoints(props._start, pointOnBorder);
double x1 = props._oriMousePos.X + ((L * Math.Cos(rad1 + rad2)));
double y1 = props._oriMousePos.Y + ((L * Math.Sin(rad1 + rad2)));
return(new Point(x1, y1));
}
public Point CoorPointAtBorder(Point pointOnBorder)
{
double xDiff = (pointOnBorder.X) - 0;
double yDiff = (pointOnBorder.Y) - 0;
double rad1 = (props._rotate * Math.PI) / 180;
double rad2 = (Math.Atan2(yDiff, xDiff));
double L = Global_Object.LengthBetweenPoints(new Point(0, 0), pointOnBorder);
double x1 = props._posision.X + ((L * Math.Cos(rad1 + rad2)));
double y1 = props._posision.Y + ((L * Math.Sin(rad1 + rad2)));
return(new Point(x1, y1));
}
public override void Draw()
{
Width = Global_Object.LengthBetweenPoints(props._oriMousePos, props._desMousePos);
props._end.X = Width;
//Rotate param
props.xDiff = props._desMousePos.X - props._oriMousePos.X;
props.yDiff = props._desMousePos.Y - props._oriMousePos.Y;
//Middle point of straight path
props._middle.X = (props._start.X + props._end.X) / 2;
props._middle.Y = (props._start.Y + props._end.Y) / 2;
// Point at _start and _end
props._pointHead.RenderTransform = new TranslateTransform(-(Width / 2), 0);
props._pointTail.RenderTransform = new TranslateTransform((Width / 2), 0);
//Arrow show direction
//3 Point of Triangle
props.arrowPoints[0] = (new Point(props._middle.X - props.sizeArrow, props._middle.Y - props.sizeArrow));
props.arrowPoints[1] = (new Point(props._middle.X - props.sizeArrow, props._middle.Y + props.sizeArrow));
props.arrowPoints[2] = (new Point(props._middle.X + props.sizeArrow + 1, props._middle.Y));
props._arrow.Points = props.arrowPoints;
//Position the Path
lineSegment.Point = props._end;
if (props.pathSegments.Count > 0)
{
props.pathSegments[0] = lineSegment;
}
else
{
props.pathSegments.Add(lineSegment);
}
props.pathFigure.StartPoint = props._start;
//Render Path
double angle = (Math.Atan2(props.yDiff, props.xDiff) * 180.0 / Math.PI);
props.rotate = angle;
props.myRotateTransform.Angle = props.rotate;
props.myTranslate = new TranslateTransform(props._oriMousePos.X, props._oriMousePos.Y - (Height / 2));
props.myTransformGroup.Children[1] = props.myTranslate;
// SPECIAL POINTS
props.cornerPoints[0] = CoorPointAtBorder(new Point((0), (Height / 2))); //mid-left
props.cornerPoints[1] = CoorPointAtBorder(new Point((0), (0))); //top-left
props.cornerPoints[2] = CoorPointAtBorder(new Point((Width / 2), (0))); //top-mid
props.cornerPoints[3] = CoorPointAtBorder(new Point((Width), (0))); //top-right
props.cornerPoints[4] = CoorPointAtBorder(new Point((Width), (Height / 2))); //mid-right
props.cornerPoints[5] = CoorPointAtBorder(new Point((Width), (Height))); //bot-right
props.cornerPoints[6] = CoorPointAtBorder(new Point((Width / 2), (Height))); //bot-mid
props.cornerPoints[7] = CoorPointAtBorder(new Point((0), (Height))); //bot-left
}
