145 lines
2.6 KiB
Go
145 lines
2.6 KiB
Go
/*
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Package colors provides types and functions for color classification.
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Copyright (c) 2018 - 2024 PhotoPrism UG. All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under Version 3 of the GNU Affero General Public License (the "AGPL"):
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<https://docs.photoprism.app/license/agpl>
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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The AGPL is supplemented by our Trademark and Brand Guidelines,
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which describe how our Brand Assets may be used:
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<https://www.photoprism.app/trademark>
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Feel free to send an email to hello@photoprism.app if you have questions,
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want to support our work, or just want to say hello.
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Additional information can be found in our Developer Guide:
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<https://docs.photoprism.app/developer-guide/>
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*/
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package colors
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import (
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"fmt"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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type Color int16
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type Colors []Color
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const (
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Black Color = iota
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Grey
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Brown
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Gold
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White
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Purple
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Blue
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Cyan
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Teal
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Green
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Lime
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Yellow
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Magenta
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Orange
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Red
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Pink
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)
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var All = Colors{
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Purple,
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Magenta,
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Pink,
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Red,
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Orange,
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Gold,
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Yellow,
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Lime,
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Green,
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Teal,
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Cyan,
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Blue,
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Brown,
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White,
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Grey,
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Black,
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}
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var Names = map[Color]string{
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Black: "black", // 0
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Grey: "grey", // 1
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Brown: "brown", // 2
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Gold: "gold", // 3
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White: "white", // 4
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Purple: "purple", // 5
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Blue: "blue", // 6
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Cyan: "cyan", // 7
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Teal: "teal", // 8
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Green: "green", // 9
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Lime: "lime", // A
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Yellow: "yellow", // B
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Magenta: "magenta", // C
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Orange: "orange", // D
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Red: "red", // E
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Pink: "pink", // F
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}
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var Weights = map[Color]uint16{
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Grey: 1,
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Black: 2,
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Brown: 2,
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White: 2,
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Blue: 3,
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Green: 3,
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Purple: 4,
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Gold: 4,
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Cyan: 4,
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Teal: 4,
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Orange: 4,
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Red: 4,
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Pink: 4,
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Lime: 5,
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Yellow: 5,
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Magenta: 5,
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}
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func (c Color) Name() string {
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return Names[c]
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}
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func (c Color) ID() int16 {
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return int16(c)
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}
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func (c Color) Hex() string {
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if c < 0 || c > 15 {
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return "0"
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}
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return fmt.Sprintf("%X", c)
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}
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func (c Colors) Hex() (result string) {
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for _, indexedColor := range c {
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result += indexedColor.Hex()
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}
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return result
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}
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func (c Colors) List() []map[string]string {
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result := make([]map[string]string, 0, len(c))
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for _, c := range c {
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result = append(result, map[string]string{"Slug": c.Name(), "Name": txt.UpperFirst(c.Name()), "Example": ColorExamples[c]})
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}
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return result
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}
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