diff options
Diffstat (limited to 'UVtools.Core/Extensions/PointExtensions.cs')
| -rw-r--r-- | UVtools.Core/Extensions/PointExtensions.cs | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/UVtools.Core/Extensions/PointExtensions.cs b/UVtools.Core/Extensions/PointExtensions.cs index 8b0056c..8d9820f 100644 --- a/UVtools.Core/Extensions/PointExtensions.cs +++ b/UVtools.Core/Extensions/PointExtensions.cs @@ -16,7 +16,7 @@ namespace UVtools.Core.Extensions public static Point Rotate(this Point point, double angleDegree, Point pivot = default) { - if (angleDegree is 0 or 360) return point; + if (angleDegree % 360 == 0) return point; double angle = angleDegree * Math.PI / 180; double cos = Math.Cos(angle); double sin = Math.Sin(angle); @@ -25,9 +25,30 @@ namespace UVtools.Core.Extensions double x = cos * dx - sin * dy + pivot.X; double y = sin * dx + cos * dy + pivot.Y; - Point rotated = new((int)Math.Round(x), (int)Math.Round(y)); - return rotated; + return new((int)Math.Round(x), (int)Math.Round(y)); } + public static PointF Rotate(this PointF point, double angleDegree, PointF pivot = default) + { + if (angleDegree % 360 == 0) return point; + double angle = angleDegree * Math.PI / 180; + double cos = Math.Cos(angle); + double sin = Math.Sin(angle); + double dx = point.X - pivot.X; + double dy = point.Y - pivot.Y; + double x = cos * dx - sin * dy + pivot.X; + double y = sin * dx + cos * dy + pivot.Y; + + return new((float) x, (float) y); + } + + public static Point Half(this Point point)=> new(point.X / 2, point.Y / 2); + + public static PointF Half(this PointF point) => new(point.X / 2, point.Y / 2); + + public static Size ToSize(this Point point) => new(point.X, point.Y); + + public static SizeF ToSize(this PointF point) => new(point.X, point.Y); + } } |