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More decimals to Width and Height

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+ handle the case where both bottom points are identical
This commit is contained in:
BobLd
2020-01-17 12:57:52 +00:00
committed by Eliot Jones
parent bc69376743
commit 6d8744e722
1 changed files with 16 additions and 5 deletions
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21
src/UglyToad.PdfPig.Core/PdfRectangle.cs
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@@ -120,15 +120,26 @@ namespace UglyToad.PdfPig.Core
double bx = Math.Max(BottomRight.X - TopLeft.X, BottomLeft.X - TopRight.X);
double by = Math.Max(TopRight.Y - BottomLeft.Y, TopLeft.Y - BottomRight.Y);
double t = Math.Atan2(BottomRight.Y - BottomLeft.Y, BottomRight.X - BottomLeft.X);
double t = 0;
if (!BottomRight.Equals(BottomLeft))
{
t = Math.Atan2(BottomRight.Y - BottomLeft.Y, BottomRight.X - BottomLeft.X);
}
else
{
// handle the case where both bottom points are identical
t = Math.Atan2(TopLeft.Y - BottomLeft.Y, TopLeft.X - BottomLeft.X) - Math.PI / 2.0;
}
double cosT = Math.Cos(t);
double sinT = Math.Sin(t);
double cosSqSinSqInv = 1 / (cosT * cosT - sinT * sinT);
double cosSqSinSqInv = 1.0 / (cosT * cosT - sinT * sinT);
Rotation = Math.Round(t * 180.0 / Math.PI, 5);
Width = Math.Round(cosSqSinSqInv * (bx * cosT - by * sinT), 5);
Height = Math.Round(cosSqSinSqInv * (-bx * sinT + by * cosT), 5);
Area = Width * Height;
Width = Math.Round(cosSqSinSqInv * (bx * cosT - by * sinT), 7);
Height = Math.Round(cosSqSinSqInv * (-bx * sinT + by * cosT), 7);
Area = Math.Round(Width * Height, 7);
}
/// <summary>