penpot/frontend/src/uxbox/worker/align.cljs
2019-09-20 17:30:03 +02:00

28 lines
970 B
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) 2016 Andrey Antukh <niwi@niwi.nz>
(ns uxbox.worker.align
"Workspace aligment indexes worker."
(:require [beicon.core :as rx]
[uxbox.util.kdtree :as kd]
[uxbox.worker.impl :as impl]
[uxbox.util.geom.point :as gpt]))
(defonce tree (kd/create))
(defmethod impl/handler :grid-init
[{:keys [sender width height x-axis y-axis] :as opts}]
(time
(kd/setup! tree width height (or x-axis 10) (or y-axis 10)))
(impl/reply! sender nil))
(defmethod impl/handler :grid-align
[{:keys [sender point] :as message}]
(let [point [(:x point) (:y point)]
results (kd/nearest tree point 1)
[x y] (ffirst results)
result (gpt/point x y)]
(impl/reply! sender {:point (gpt/point x y)})))