2026-01-29 12:25:38 +01:00

73 lines
2.4 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
(ns app.main.data.workspace.wasm-text
"Helpers/events to resize wasm text shapes without depending on workspace.texts.
This exists to avoid circular deps:
workspace.texts -> workspace.libraries -> workspace.texts"
(:require
[app.common.files.helpers :as cfh]
[app.common.geom.matrix :as gmt]
[app.common.geom.point :as gpt]
[app.common.types.modifiers :as ctm]
[app.main.data.helpers :as dsh]
[app.main.data.workspace.modifiers :as dwm]
[app.render-wasm.api :as wasm.api]
[beicon.v2.core :as rx]
[potok.v2.core :as ptk]))
(defn resize-wasm-text-modifiers
([shape]
(resize-wasm-text-modifiers shape (:content shape)))
([{:keys [id points selrect grow-type] :as shape} content]
(wasm.api/use-shape id)
(wasm.api/set-shape-text-content id content)
(wasm.api/set-shape-text-images id content)
(let [dimension (wasm.api/get-text-dimensions)
width-scale (if (#{:fixed :auto-height} grow-type)
1.0
(/ (:width dimension) (:width selrect)))
height-scale (if (= :fixed grow-type)
1.0
(/ (:height dimension) (:height selrect)))
resize-v (gpt/point width-scale height-scale)
origin (first points)]
{id
{:modifiers
(ctm/resize-modifiers
resize-v
origin
(:transform shape (gmt/matrix))
(:transform-inverse shape (gmt/matrix)))}})))
(defn resize-wasm-text
"Resize a single text shape (auto-width/auto-height) by id.
No-op if the id is not a text shape or is :fixed."
[id]
(ptk/reify ::resize-wasm-text
ptk/WatchEvent
(watch [_ state _]
(let [objects (dsh/lookup-page-objects state)
shape (get objects id)]
(if (and (some? shape)
(cfh/text-shape? shape)
(not= :fixed (:grow-type shape)))
(rx/of (dwm/apply-wasm-modifiers (resize-wasm-text-modifiers shape)))
(rx/empty))))))
(defn resize-wasm-text-all
"Resize all text shapes (auto-width/auto-height) from a collection of ids."
[ids]
(ptk/reify ::resize-wasm-text-all
ptk/WatchEvent
(watch [_ _ _]
(->> (rx/from ids)
(rx/map resize-wasm-text)))))