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🔧 Parse text leaves all at once

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This commit is contained in:
Elena Torro 2025-04-10 12:07:31 +02:00
parent 18dea6c3a3
commit 83f72f3e41
8 changed files with 457 additions and 117 deletions
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44
frontend/src/app/render_wasm/api.cljs
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@ -18,6 +18,7 @@
[app.main.refs :as refs]
[app.main.render :as render]
[app.render-wasm.api.fonts :as f]
[app.render-wasm.api.texts :as t]
[app.render-wasm.deserializers :as dr]
[app.render-wasm.helpers :as h]
[app.render-wasm.mem :as mem]
@ -30,7 +31,6 @@
[app.util.http :as http]
[app.util.webapi :as wapi]
[beicon.v2.core :as rx]
[cuerdas.core :as str]
[promesa.core :as p]
[rumext.v2 :as mf]))
@ -328,8 +328,6 @@
(h/call wasm/internal-module "stringToUTF8" content offset size)
(h/call wasm/internal-module "_set_shape_svg_raw_content")))
(defn set-shape-blend-mode
[blend-mode]
;; These values correspond to skia::BlendMode representation
@ -597,47 +595,19 @@
(h/call wasm/internal-module "_add_shape_shadow" rgba blur spread x y (sr/translate-shadow-style style) hidden)
(recur (inc index)))))))
(defn utf8->buffer [text]
(let [encoder (js/TextEncoder.)]
(.encode encoder text)))
(defn- add-text-leaf [leaf]
(let [text (dm/get-prop leaf :text)]
(when (and text (not (str/blank? text)))
(let [font-id (f/serialize-font-id (dm/get-prop leaf :font-id))
font-style (f/serialize-font-style (dm/get-prop leaf :font-style))
font-weight (f/serialize-font-weight (dm/get-prop leaf :font-weight))
font-size (js/Number (dm/get-prop leaf :font-size))
buffer (utf8->buffer text)
size (.-byteLength buffer)
offset (mem/alloc-bytes size)
heap (mem/get-heap-u8)
mem (js/Uint8Array. (.-buffer heap) offset size)]
(.set mem buffer)
(h/call wasm/internal-module "_add_text_leaf"
(aget font-id 0)
(aget font-id 1)
(aget font-id 2)
(aget font-id 3)
font-weight font-style font-size)))))
(defn set-shape-text-content [content]
(defn set-shape-text-content
[content]
(h/call wasm/internal-module "_clear_shape_text")
(let [paragraph-set (first (dm/get-prop content :children))
paragraphs (dm/get-prop paragraph-set :children)
fonts (fonts/get-content-fonts content)
total-paragraphs (count paragraphs)]
fonts (fonts/get-content-fonts content)]
(loop [index 0]
(when (< index total-paragraphs)
(when (< index (count paragraphs))
(let [paragraph (nth paragraphs index)
leaves (dm/get-prop paragraph :children)]
(when (seq leaves)
(h/call wasm/internal-module "_add_text_paragraph")
(loop [leaf-index 0]
(when (< leaf-index (count leaves))
(add-text-leaf (nth leaves leaf-index))
(recur (inc leaf-index))))))
(recur (inc index))))
(t/write-shape-text leaves paragraph)
(recur (inc index))))))
(f/store-fonts fonts)))
(defn set-view-box