// Copyright 2017 Baliance. All rights reserved.
//
// Use of this source code is governed by the terms of the Affero GNU General
// Public License version 3.0 as published by the Free Software Foundation and
// appearing in the file LICENSE included in the packaging of this file. A
// commercial license can be purchased by contacting sales@baliance.com.

package measurement

// Distance represents a distance and is automatically converted
// to the units needed internally in the various ECMA 376 formats.
type Distance float64

// Constants for various distance units
const (
	Zero       Distance = 0
	Point               = 1
	Pixel72             = 1.0 / 72.0 * Inch
	Pixel96             = 1.0 / 96.0 * Inch
	HalfPoint           = 1.0 / 2.0 * Point
	Millimeter          = 2.83465 * Point
	Centimeter          = 10 * Millimeter
	Inch                = 72 * Point
	Foot                = 12 * Inch
	Twips               = 1.0 / 20.0 * Point
	EMU                 = 1.0 / 914400.0 * Inch
	Dxa                 = Twips
)