개정판 d2114d3b
issue #923: add OnMoveCtrlPoint method to interface
Change-Id: If3b10f5b54eaecd8bd8fa299d702e70e05d4b97e
MarkupToPDF/Controls/Etc/SignControl.cs | ||
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337 | 337 |
} |
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/// <summary> |
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/// move control point has same location of given pt along given delta |
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/// </summary> |
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/// <author>humkyung</author> |
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/// <date>2019.06.20</date> |
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/// <param name="pt"></param> |
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/// <param name="dx"></param> |
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/// <param name="dy"></param> |
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public override void OnMoveCtrlPoint(Point pt, double dx, double dy) |
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{ |
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IPath path = (this as IPath); |
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Point selected = MathSet.getNearPoint(path.PointSet, pt); |
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selected.X += dx; |
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selected.Y += dy; |
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int i = 0; |
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for (i = 0; i < (this as IPath).PointSet.Count; i++) |
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{ |
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if (pt.Equals((this as IPath).PointSet[i])) |
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{ |
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path.PointSet[i] = selected; |
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break; |
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} |
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} |
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var ReverseP = (i + path.PointSet.Count() / 2) % path.PointSet.Count(); |
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var PreviousP = (i + (path.PointSet.Count() - 1)) % path.PointSet.Count(); |
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var NextP = (i + 1) % path.PointSet.Count(); |
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var distance = MathSet.DistanceTo(path.PointSet[ReverseP], path.PointSet[i]); |
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var PreviousV = MathSet.GetNormVectorBetween(path.PointSet[ReverseP], path.PointSet[PreviousP]); |
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var l = MathSet.DotProduct(PreviousV.X, PreviousV.Y, path.PointSet[i].X - path.PointSet[ReverseP].X, |
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path.PointSet[i].Y - path.PointSet[ReverseP].Y); |
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path.PointSet[PreviousP] = new Point(path.PointSet[ReverseP].X + PreviousV.X * l, path.PointSet[ReverseP].Y + PreviousV.Y * l); |
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var NextV = MathSet.GetNormVectorBetween(path.PointSet[ReverseP], path.PointSet[NextP]); |
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l = MathSet.DotProduct(NextV.X, NextV.Y, path.PointSet[i].X - path.PointSet[ReverseP].X, path.PointSet |
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[i].Y - path.PointSet[ReverseP].Y); |
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path.PointSet[NextP] = new Point(path.PointSet[ReverseP].X + NextV.X * l, path.PointSet[ReverseP].Y + NextV.Y * l); |
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this.updateControl(); |
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} |
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/// <summary> |
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/// return SignControl's area |
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/// </summary> |
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/// <author>humkyung</author> |
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