27 lines
804 B
Go
27 lines
804 B
Go
|
// Package fixedutil contains functions that make working with fixed precision
|
||
|
|
// values easier.
|
||
|
|
package fixedutil
|
||
|
|
|
||
|
|
import "image"
|
||
|
|
import "golang.org/x/image/math/fixed"
|
||
|
|
|
||
|
|
// Pt creates a fixed point from a regular point.
|
||
|
|
func Pt (point image.Point) fixed.Point26_6 {
|
||
|
|
return fixed.P(point.X, point.Y)
|
||
|
|
}
|
||
|
|
|
||
|
|
// RoundPt rounds a fixed point into a regular point.
|
||
|
|
func RoundPt (point fixed.Point26_6) image.Point {
|
||
|
|
return image.Pt(point.X.Round(), point.Y.Round())
|
||
|
|
}
|
||
|
|
|
||
|
|
// FloorPt creates a regular point from the floor of a fixed point.
|
||
|
|
func FloorPt (point fixed.Point26_6) image.Point {
|
||
|
|
return image.Pt(point.X.Floor(),point.Y.Floor())
|
||
|
|
}
|
||
|
|
|
||
|
|
// CeilPt creates a regular point from the ceiling of a fixed point.
|
||
|
|
func CeilPt (point fixed.Point26_6) image.Point {
|
||
|
|
return image.Pt(point.X.Ceil(),point.Y.Ceil())
|
||
|
|
}
|