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tomo-old/layout.go

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package tomo
import "image"
import "git.tebibyte.media/sashakoshka/tomo/artist"
// LayoutEntry associates an element with layout and positioning information so
// it can be arranged by a Layout.
type LayoutEntry struct {
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Element
Bounds image.Rectangle
Expand bool
}
// Layout is capable of arranging elements within a container. It is also able
// to determine the minimum amount of room it needs to do so.
type Layout interface {
// Arrange takes in a slice of entries and a bounding width and height,
// and changes the position of the entiries in the slice so that they
// are properly laid out. The given width and height should not be less
// than what is returned by MinimumSize.
Arrange (
entries []LayoutEntry,
margin image.Point,
padding artist.Inset,
bounds image.Rectangle,
)
// MinimumSize returns the minimum width and height that the layout
// needs to properly arrange the given slice of layout entries.
MinimumSize (
entries []LayoutEntry,
margin image.Point,
padding artist.Inset,
) (
width, height int,
)
}