public RectangleF Selection(ICanvas canvas)
{
Rectangle screenRect = ScreenRect();
if (screenRect.IsEmpty)
{
return(RectangleF.Empty);
}
return(ScreenUtils.ToUnitNormalized(canvas, screenRect));
}
public static RectangleF LineBoundingRectangle(UnitPoint p1, UnitPoint p2, float halfLineWidth)
{
double x = Math.Min(p1.X, p2.X);
double y = Math.Min(p1.Y, p2.Y);
double w = Math.Abs(p1.X - p2.X);
double h = Math.Abs(p1.Y - p2.Y);
RectangleF boundingRectangle = ScreenUtils.GetRectangleF(x, y, w, h);
boundingRectangle.Inflate(halfLineWidth, halfLineWidth);
return(boundingRectangle);
}
public RectangleF GetMaxUnit()
{
float thWidth = UCCanvas.GetThresholdWidth();
var tran = drawObjects[0] as IDrawTranslation;
UnitPoint maxPoint = new UnitPoint();
maxPoint = tran.MaxValue;
UnitPoint minPoint = new UnitPoint();
minPoint = tran.MinValue;
for (int i = 1; i < drawObjects.Count; i++)
{
UnitPoint tempMax = ((IDrawTranslation)drawObjects[i]).MaxValue;
UnitPoint tempMin = ((IDrawTranslation)drawObjects[i]).MinValue;
if (tempMax.X > maxPoint.X)
{
maxPoint.X = tempMax.X;
}
if (tempMax.Y > maxPoint.Y)
{
maxPoint.Y = tempMax.Y;
}
if (tempMin.X < minPoint.X)
{
minPoint.X = tempMin.X;
}
if (tempMin.Y < minPoint.Y)
{
minPoint.Y = tempMin.Y;
}
}
RectangleF rectangleLine = ScreenUtils.GetRectangleF(maxPoint, minPoint, thWidth / 2);
return(rectangleLine);
}