private void CalculateLabelCenter(ScaleDiscreetItem item, Size textSize, double angle, int radius, Point centerPoint)
{
int num = radius + base.TextMargin + (int)Math.Abs(Math2.Cos(angle) * (double)textSize.Width / 2.0) + (int)Math.Abs(Math2.Sin(angle) * (double)textSize.Height / 2.0);
Point point = Math2.ToRotatedPoint(angle, (double)num, centerPoint);
item.TextRectangle = new Rectangle(point.X - textSize.Width / 2, point.Y - textSize.Height / 2, textSize.Width + 1, textSize.Height + 1);
}
private Rectangle GetTextRect(PaintArgs p, IScaleTickLabel tick)
{
double num = Math2.AngleNormalized(this.I_Range.ValueToAngle(tick.Value));
float num2 = (float)tick.TextSize.Width;
float num3 = (float)tick.TextSize.Height;
Size size = p.Graphics.MeasureString(base.TickMajor.Font);
Point point = default(Point);
Rectangle result = default(Rectangle);
if (this.TextAlignment == StringAlignmentAngular.Center)
{
float num4 = (float)(this.Radius + this.Margin + base.TickMajor.Length + tick.TextMargin + tick.TextMaxSize.Width / 2);
point = new Point((int)(Math2.Cos(num) * (double)num4 + (double)this.CenterPoint.X), (int)(Math2.Sin(num) * (double)num4 + (double)this.CenterPoint.Y));
result = new Rectangle((int)((float)point.X - num2 / 2f), (int)((float)point.Y - num3 / 2f), (int)num2, (int)num3);
goto IL_0479;
}
if (this.TextAlignment == StringAlignmentAngular.Justified)
{
float num5 = (float)Math.Sqrt((double)(size.Width * size.Width + size.Height * size.Height)) / 2f;
float num4 = (float)(this.Radius + base.TickMajor.Length + tick.TextMargin) + num5;
point = new Point((int)(Math2.Cos(num) * (double)num4 + (double)this.CenterPoint.X), (int)(Math2.Sin(num) * (double)num4 + (double)this.CenterPoint.Y));
result = new Rectangle((int)((float)point.X - num2 / 2f), (int)((float)point.Y - num3 / 2f), (int)num2, (int)num3);
if (num == 0.0)
{
result.Offset((int)(num2 / 2f - (float)(size.Width / 2)), 0);
}
else if (num == 180.0)
{
result.Offset((int)((0f - num2) / 2f + (float)(size.Width / 2)), 0);
}
else if (num > 0.0 && num < 90.0)
{
result.Offset((int)(num2 / 2f - (float)(size.Width / 2)), 0);
}
else if (num > 90.0 && num < 270.0)
{
result.Offset((int)((0f - num2) / 2f + (float)(size.Width / 2)), 0);
}
else if (num > 270.0 && num < 360.0)
{
result.Offset((int)(num2 / 2f - (float)(size.Width / 2)), 0);
}
goto IL_0479;
}
Point point2 = default(Point);
if (this.TextAlignment == StringAlignmentAngular.RadialOuter)
{
float num6 = (float)(this.Radius + base.TickMajor.Length + tick.TextMargin + tick.TextSize.Width / 2);
point2 = new Point((int)(Math2.Cos(num) * (double)num6 + (double)this.CenterPoint.X), (int)(Math2.Sin(num) * (double)num6 + (double)this.CenterPoint.Y));
result = new Rectangle(point2.X - tick.TextSize.Width / 2, point2.Y - tick.TextSize.Height / 2, tick.TextSize.Width, tick.TextSize.Height);
goto IL_0479;
}
if (this.TextAlignment == StringAlignmentAngular.RadialInner)
{
float num6 = (float)(this.Radius - tick.TextMargin - tick.TextMaxSize.Width / 2);
point2 = new Point((int)(Math2.Cos(num) * (double)num6 + (double)this.CenterPoint.X), (int)(Math2.Sin(num) * (double)num6 + (double)this.CenterPoint.Y));
result = new Rectangle(point2.X - tick.TextMaxSize.Width / 2, point2.Y - tick.TextMaxSize.Height / 2, tick.TextMaxSize.Width, tick.TextMaxSize.Height);
goto IL_0479;
}
result = Rectangle.Empty;
return(result);
IL_0479:
return(result);
}
public static Point ToRotatedPoint(double angle, double radius, double centerX, double centerY)
{
return(new Point((int)Math.Round(Math2.Cos(angle) * radius + centerX), (int)Math.Round(Math2.Sin(angle) * radius + centerY)));
}
public static Point ToRotatedPoint(double angle, double radius, Point centerPoint)
{
return(new Point((int)Math.Round(Math2.Cos(angle) * radius + (double)centerPoint.X, 14), (int)Math.Round(Math2.Sin(angle) * radius + (double)centerPoint.Y, 14)));
}
