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Merge pull request #7343 from penpot/elenatorro-12118-support-large-svg-files

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🐛 Fix parsing large paths with multiple subpaths
This commit is contained in:
Elena Torró
2025-09-26 13:35:17 +02:00
committed by GitHub
parent 2b1e107a44 9d8ad0ea6e
commit c32b94abcf
9 changed files with 801 additions and 221 deletions
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29
frontend/src/app/render_wasm/api.cljs
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@@ -10,6 +10,7 @@
["react-dom/server" :as rds]
[app.common.data :as d :refer [not-empty?]]
[app.common.data.macros :as dm]
[app.common.math :as mth]
[app.common.types.fills :as types.fills]
[app.common.types.fills.impl :as types.fills.impl]
[app.common.types.path :as path]
@@ -51,6 +52,8 @@
(def ^:const GRID-LAYOUT-COLUMN-U8-SIZE 8)
(def ^:const GRID-LAYOUT-CELL-U8-SIZE 36)
(def ^:const MAX_BUFFER_CHUNK_SIZE (* 256 1024))
(def dpr
(if use-dpr? (if (exists? js/window) js/window.devicePixelRatio 1.0) 1.0))
@@ -317,15 +320,27 @@
(h/call wasm/internal-module "stringToUTF8" str offset size)
(h/call wasm/internal-module "_set_shape_path_attrs" (count attrs))))
;; FIXME: revisit on heap refactor is merged to use u32 instead u8
(defn set-shape-path-content
"Upload path content in chunks to WASM."
[content]
(let [pdata (path/content content)
size (path/get-byte-size content)
offset (mem/alloc size)
heap (mem/get-heap-u8)]
(path/write-to pdata (.-buffer heap) offset)
(h/call wasm/internal-module "_set_shape_path_content")))
(let [chunk-size (quot MAX_BUFFER_CHUNK_SIZE 4)
buffer-size (path/get-byte-size content)
padded-size (* 4 (mth/ceil (/ buffer-size 4)))
buffer (js/Uint8Array. padded-size)]
(path/write-to content (.-buffer buffer) 0)
(h/call wasm/internal-module "_start_shape_path_buffer")
(let [heapu32 (mem/get-heap-u32)]
(loop [offset 0]
(when (< offset padded-size)
(let [end (min padded-size (+ offset (* chunk-size 4)))
chunk (.subarray buffer offset end)
chunk-u32 (js/Uint32Array. chunk.buffer chunk.byteOffset (quot (.-length chunk) 4))
offset-size (.-length chunk-u32)
heap-offset (mem/alloc->offset-32 (* 4 offset-size))]
(.set heapu32 chunk-u32 heap-offset)
(h/call wasm/internal-module "_set_shape_path_chunk_buffer")
(recur end)))))
(h/call wasm/internal-module "_set_shape_path_buffer")))
(defn set-shape-svg-raw-content
[content]