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85 lines
3.1 KiB
Clojure
85 lines
3.1 KiB
Clojure
;; This Source Code Form is subject to the terms of the Mozilla Public
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;; License, v. 2.0. If a copy of the MPL was not distributed with this
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;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
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;;
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;; Copyright (c) KALEIDOS INC
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(ns app.main.ui.shapes.mask
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(:require
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[app.common.data :as d]
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[app.common.data.macros :as dm]
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[app.common.geom.shapes :as gsh]
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[app.main.ui.context :as muc]
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[cuerdas.core :as str]
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[rumext.v2 :as mf]))
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(defn mask-id [render-id mask]
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(str render-id "-" (:id mask) "-mask"))
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(defn mask-url [render-id mask]
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(str "url(#" (mask-id render-id mask) ")"))
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(defn clip-id [render-id mask]
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(str render-id "-" (:id mask) "-clip"))
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(defn clip-url [render-id mask]
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(str "url(#" (clip-id render-id mask) ")"))
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(defn filter-id [render-id mask]
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(str render-id "-" (:id mask) "-filter"))
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(defn filter-url [render-id mask]
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(str "url(#" (filter-id render-id mask) ")"))
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(defn set-white-fill
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[shape]
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(let [update-color
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(fn [data]
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(-> data
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(dissoc :fill-color :fill-opacity :fill-color-gradient)
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(assoc :fills [{:fill-color "#FFFFFF" :fill-opacity 1}])))]
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(-> shape
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(d/update-when :position-data #(mapv update-color %))
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(assoc :stroke-color "#FFFFFF" :stroke-opacity 1))))
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(defn mask-factory
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[shape-wrapper]
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(mf/fnc mask-shape
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{::mf/wrap-props false}
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[props]
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(let [mask (unchecked-get props "mask")
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render-id (mf/use-ctx muc/render-id)
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svg-text? (and (= :text (:type mask)) (some? (:position-data mask)))
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mask-bb (:points mask)
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mask-bb-rect (gsh/points->rect mask-bb)]
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[:defs
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[:filter {:id (filter-id render-id mask)}
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[:feFlood {:flood-color "white"
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:result "FloodResult"}]
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[:feComposite {:in "FloodResult"
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:in2 "SourceGraphic"
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:operator "in"
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:result "comp"}]]
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;; Clip path is necessary so the elements inside the mask won't affect
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;; the events outside. Clip hides the elements but mask doesn't (like display vs visibility)
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;; we cannot use clips instead of mask because clips can only be simple shapes
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[:clipPath {:class "mask-clip-path"
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:id (clip-id render-id mask)}
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[:polyline {:points (->> mask-bb
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(map #(dm/str (:x %) "," (:y %)))
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(str/join " "))}]]
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;; When te shape is a text we pass to the shape the info and disable the filter.
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;; There is a bug in Firefox with filters and texts. We change the text to white at shape level
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[:mask {:class "mask-shape"
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:id (mask-id render-id mask)
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:x (:x mask-bb-rect)
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:y (:y mask-bb-rect)
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:width (:width mask-bb-rect)
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:height (:height mask-bb-rect)
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:mask-units "userSpaceOnUse"}
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[:g {:filter (when-not svg-text? (filter-url render-id mask))}
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[:& shape-wrapper {:shape (-> mask (dissoc :shadow :blur) (assoc :is-mask? true))}]]]])))
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