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layout: add Exact for constructing rigid Constraints matching a size

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
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Elias Naur
2020-05-19 10:12:11 +02:00
parent 8a6d4f699c
commit dac8ffc002
1 changed files with 8 additions and 0 deletions
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layout/layout.go
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@@ -58,6 +58,14 @@ const (
Vertical Vertical
) )
// Exact returns the Constraints with the minimum and maximum size
// set to size.
func Exact(size image.Point) Constraints {
return Constraints{
Min: size, Max: size,
}
}
// Constrain a size so each dimension is in the range [min;max]. // Constrain a size so each dimension is in the range [min;max].
func (c Constraints) Constrain(size image.Point) image.Point { func (c Constraints) Constrain(size image.Point) image.Point {
if min := c.Min.X; size.X < min { if min := c.Min.X; size.X < min {