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🐛 Clear rect before rendering pixel overlay

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Aitor 2023-11-10 16:49:08 +01:00 • committed by Andrey Antukh
parent 3c75cfd9c2
commit c8073c2a37
1 changed files with 2 additions and 3 deletions
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5
frontend/src/app/main/ui/workspace/viewport/pixel_overlay.cljs
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@ -24,7 +24,6 @@
(defn create-offscreen-canvas
[width height]
#_(js/console.log "Creating offscreen canvas" width height)
(js/OffscreenCanvas. width height))
(defn resize-offscreen-canvas
@ -36,8 +35,6 @@
(when-not (= (unchecked-get canvas "height") height)
(obj/set! canvas "height" height)
(vreset! resized true))
#_(when @resized
(js/console.log "Resizing offscreen canvas" width height))
canvas))
(def get-offscreen-canvas ((fn []
@ -112,6 +109,7 @@
dh canvas-height]
(when (obj/get zoom-context "imageSmoothingEnabled")
(obj/set! zoom-context "imageSmoothingEnabled" false))
(.clearRect zoom-context 0 0 canvas-width canvas-height)
(.drawImage zoom-context canvas sx sy sw sh dx dy dw dh)
(st/emit! (dwc/pick-color [r g b a])))))))
@ -139,6 +137,7 @@
(->> (rx/of {:node svg-node
:width (:width vport)
:result "image-bitmap"})
(rx/tap #(js/console.log "render-node" %))
(rx/mapcat thr/render-node)
(rx/subs (fn [image-bitmap]
(.drawImage canvas-context image-bitmap 0 0)