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Handy Resize functions

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Aaron Mueller 2014-09-27 18:37:59 +02:00
parent 9809403e19
commit dce6a86ec7
1 changed files with 34 additions and 0 deletions
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src/luduverse/ld-images.clj Normal file
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(ns luduverse.ld-images
(:require [image-resizer.core :refer :all]
[image-resizer.util :as utils]
[image-resizer.format :refer :all]
[image-resizer.crop :refer :all]
[clojure.java.io :as io]
[noir.io :as noir-io]))
(defn base-path
([] (str (noir-io/resource-path) "img"))
([competition-id] (str (base-path) "/ld" competition-id "/")))
(defn image-name [competition-id folder entry-id number]
(str (base-path competition-id) folder "/" entry-id "_" number ".png"))
(defn to-square [file new-size]
(let [[width height] (dimensions (utils/buffered-image file))]
(if (< width height)
(let [resized-img (resize-to-width file new-size)
[w h] (dimensions resized-img)
crop-margin (quot (- h new-size) 2)]
(crop-from resized-img 0 crop-margin new-size new-size))
(let [resized-img (resize-to-height file new-size)
[w h] (dimensions resized-img)
crop-margin (quot (- w new-size) 2)]
(crop-from resized-img crop-margin 0 new-size new-size)))))
(defn sourceimage->thumb [image-path new-image-path]
(with-redefs [image-resizer.fs/new-filename (fn [filepath dimensions] (str filepath))]
(as-file (to-square (io/file image-path) 200) new-image-path)))
(defn sourceimage->fullscreen [image-path new-image-path]
(with-redefs [image-resizer.fs/new-filename (fn [filepath dimensions] (str filepath))]
(as-file (resize (io/file image-path) 800 600) new-image-path)))