view pkg/models/system.go @ 904:e4b72a199258

New default bottleneck colors Mainly to make the stroke color one actually selectable in the ui. In addition the pink does better match the collors used on the ECDIS layer.
author Sascha Wilde <wilde@intevation.de>
date Tue, 02 Oct 2018 13:34:59 +0200
parents 83c271cb2344
children a244b18cb916
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package models

type (
	Colour struct {
		R int     `json:"r"`
		G int     `json:"g"`
		B int     `json:"b"`
		A float32 `json:"a"`
	}
)

func isByteRange(i int) bool {
	return i >= 0 && i < 256
}

func (c Colour) IsValid() bool {
	return isByteRange(c.R) &&
		isByteRange(c.G) &&
		isByteRange(c.B) &&
		c.A >= 0 && c.A <= 1
}