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✨ Embed stop data into RawGradientData

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This commit is contained in:
Belén Albeza 2025-04-22 14:56:41 +02:00
parent e7b74939cb
commit 281c0068d9
3 changed files with 69 additions and 38 deletions
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4
frontend/src/app/render_wasm/api.cljs
View file

@ -223,7 +223,7 @@
(h/call wasm/internal-module "_add_shape_solid_fill" rgba))
(some? gradient)
(let [size (sr-fills/gradient-byte-size gradient)
(let [size sr-fills/GRADIENT-BYTE-SIZE
offset (mem/alloc-bytes size)
heap (mem/get-heap-u32)]
(sr-fills/write-gradient-fill! offset heap gradient opacity)
@ -269,7 +269,7 @@
(cond
(some? gradient)
(let [size (sr-fills/gradient-byte-size gradient)
(let [size sr-fills/GRADIENT-BYTE-SIZE
offset (mem/alloc-bytes size)
heap (mem/get-heap-u32)]
(sr-fills/write-gradient-fill! offset heap gradient opacity)

15
frontend/src/app/render_wasm/serializers/fills.cljs
View file

@ -2,13 +2,13 @@
(:require
[app.render-wasm.serializers.color :as clr]))
(def GRADIENT-STOP-SIZE 8)
(def GRADIENT-BASE-SIZE 24)
(def ^:private GRADIENT-STOP-SIZE 8)
(def ^:private GRADIENT-BASE-SIZE 28)
;; TODO: Define in shape model
(def ^:private MAX-GRADIENT-STOPS 8)
(defn gradient-byte-size
[gradient]
(let [stops (:stops gradient)]
(+ GRADIENT-BASE-SIZE (* (count stops) GRADIENT-STOP-SIZE))))
(def GRADIENT-BYTE-SIZE
(+ GRADIENT-BASE-SIZE (* MAX-GRADIENT-STOPS GRADIENT-STOP-SIZE)))
(defn write-gradient-fill!
[offset heap gradient opacity]
@ -18,13 +18,14 @@
end-x (:end-x gradient)
end-y (:end-y gradient)
width (or (:width gradient) 0)
stops (:stops gradient)]
stops (take MAX-GRADIENT-STOPS (:stops gradient))]
(.setFloat32 dview offset start-x true)
(.setFloat32 dview (+ offset 4) start-y true)
(.setFloat32 dview (+ offset 8) end-x true)
(.setFloat32 dview (+ offset 12) end-y true)
(.setFloat32 dview (+ offset 16) opacity true)
(.setFloat32 dview (+ offset 20) width true)
(.setUint32 dview (+ offset 24) (count stops) true)
(loop [stops (seq stops) offset (+ offset GRADIENT-BASE-SIZE)]
(if (empty? stops)
offset