penpot/common/src/app/common/media.cljc

128 lines
3.8 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS INC Sucursal en España SL
(ns app.common.media
"Media assets helpers (images, fonts, etc)"
(:require
[cuerdas.core :as str]))
(def font-types
#{"font/ttf"
"font/woff"
"font/woff2"
"font/otf"})
(def image-types
#{"image/jpeg"
"image/png"
"image/webp"
"image/gif"
"image/svg+xml"})
(defn format->extension
[format]
(case format
:png ".png"
:jpeg ".jpg"
:webp ".webp"
:gif ".gif"
:svg ".svg"))
(defn format->mtype
[format]
(case format
:png "image/png"
:jpeg "image/jpeg"
:jpg "image/jpeg"
:webp "image/webp"
:gif "image/gif"
:svg "image/svg+xml"
"application/octet-stream"))
(defn mtype->format
[mtype]
(case mtype
"image/png" :png
"image/jpeg" :jpeg
"image/webp" :webp
"image/gif" :gif
"image/svg+xml" :svg
nil))
(defn mtype->extension [mtype]
;; https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types
(case mtype
"image/apng" ".apng"
"image/avif" ".avif"
"image/gif" ".gif"
"image/jpeg" ".jpg"
"image/png" ".png"
"image/svg+xml" ".svg"
"image/webp" ".webp"
"application/zip" ".zip"
"application/penpot" ".penpot"
"application/pdf" ".pdf"
"text/plain" ".txt"
"font/woff" ".woff"
"font/woff2" ".woff2"
"font/ttf" ".ttf"
"font/otf" ".otf"
"application/octet-stream" ".bin"
nil))
(defn strip-image-extension
[filename]
(let [image-extensions-re #"(\.png)|(\.jpg)|(\.jpeg)|(\.webp)|(\.gif)|(\.svg)$"]
(str/replace filename image-extensions-re "")))
(defn parse-font-weight
[variant]
(cond
(re-seq #"(?i)(?:^|[-_\s])(hairline|thin)(?=(?:[-_\s]|$|italic\b))" variant) 100
(re-seq #"(?i)(?:^|[-_\s])(extra\s*light|ultra\s*light)(?=(?:[-_\s]|$|italic\b))" variant) 200
(re-seq #"(?i)(?:^|[-_\s])(light)(?=(?:[-_\s]|$|italic\b))" variant) 300
(re-seq #"(?i)(?:^|[-_\s])(normal|regular)(?=(?:[-_\s]|$|italic\b))" variant) 400
(re-seq #"(?i)(?:^|[-_\s])(medium)(?=(?:[-_\s]|$|italic\b))" variant) 500
(re-seq #"(?i)(?:^|[-_\s])(semi\s*bold|demi\s*bold)(?=(?:[-_\s]|$|italic\b))" variant) 600
(re-seq #"(?i)(?:^|[-_\s])(extra\s*bold|ultra\s*bold)(?=(?:[-_\s]|$|italic\b))" variant) 800
(re-seq #"(?i)(?:^|[-_\s])(bold)(?=(?:[-_\s]|$|italic\b))" variant) 700
(re-seq #"(?i)(?:^|[-_\s])(extra\s*black|ultra\s*black)(?=(?:[-_\s]|$|italic\b))" variant) 950
(re-seq #"(?i)(?:^|[-_\s])(black|heavy|solid)(?=(?:[-_\s]|$|italic\b))" variant) 900
:else 400))
(defn parse-font-style
[variant]
(if (or (re-seq #"(?i)(?:^|[-_\s])(italic)(?:[-_\s]|$)" variant)
(re-seq #"(?i)italic$" variant))
"italic"
"normal"))
(defn font-weight->name
[weight]
(case (long weight)
100 "Hairline"
200 "Extra Light"
300 "Light"
400 "Regular"
500 "Medium"
600 "Semi Bold"
700 "Bold"
800 "Extra Bold"
900 "Black"
950 "Extra Black"))
(defn font-display-variant
[variant-name weight style]
(cond
(and (string? variant-name) (not (str/blank? variant-name)))
(str/trim variant-name)
:else
(let [base (font-weight->name weight)
italic? (= "italic" style)]
(cond-> base
italic? (str " Italic")))))