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lazily evaluate centroid of rectangle

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Eliot Jones
2019-08-20 23:03:27 +01:00
parent 6878d9a82d
commit 3fbfc1130e
1 changed files with 2 additions and 7 deletions
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9
src/UglyToad.PdfPig/Geometry/PdfRectangle.cs
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@@ -33,7 +33,7 @@
/// <summary>
/// Centroid point of the rectangle.
/// </summary>
public PdfPoint Centroid { get; }
public PdfPoint Centroid => new PdfPoint(TopLeft.X + (TopLeft.X - TopLeft.X) / 2, BottomLeft.Y + (TopLeft.Y - BottomLeft.Y) / 2);
/// <summary>
/// Width of the rectangle.
@@ -71,7 +71,7 @@
public decimal Bottom => BottomRight.Y;
internal PdfRectangle(PdfPoint point1, PdfPoint point2) : this(point1.X, point1.Y, point2.X, point2.Y) { }
internal PdfRectangle(short x1, short y1, short x2, short y2) : this((decimal) x1, y1, x2, y2) { }
internal PdfRectangle(short x1, short y1, short x2, short y2) : this((decimal)x1, y1, x2, y2) { }
/// <summary>
/// Create a new <see cref="PdfRectangle"/>.
@@ -110,14 +110,11 @@
BottomLeft = new PdfPoint(left, bottom);
BottomRight = new PdfPoint(right, bottom);
Centroid = new PdfPoint(left + (right - left) / 2, bottom + (top - bottom) / 2);
}
internal PdfRectangle(PdfVector topLeft, PdfVector topRight, PdfVector bottomLeft, PdfVector bottomRight)
: this(topLeft.ToPoint(), topRight.ToPoint(), bottomLeft.ToPoint(), bottomRight.ToPoint())
{
}
internal PdfRectangle(PdfPoint topLeft, PdfPoint topRight, PdfPoint bottomLeft, PdfPoint bottomRight)
@@ -127,8 +124,6 @@
BottomLeft = bottomLeft;
BottomRight = bottomRight;
Centroid = new PdfPoint(topLeft.X + (topRight.X - topLeft.X) / 2, bottomLeft.Y + (topLeft.Y - bottomLeft.Y) / 2);
}
/// <summary>