mirror of
https://github.com/penpot/penpot.git
synced 2025-06-10 20:31:42 +02:00
579 lines
21 KiB
Clojure
579 lines
21 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.render
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"Rendering utilities and components for penpot SVG.
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NOTE: This namespace is used from worker and from many parts of the
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workspace; we need to be careful when adding new requires because
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this can cause to import too many deps on worker bundle."
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(:require
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["react-dom/server" :as rds]
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[app.common.colors :as clr]
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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.point :as gpt]
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[app.common.geom.rect :as grc]
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[app.common.geom.shapes :as gsh]
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[app.common.geom.shapes.bounds :as gsb]
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[app.common.logging :as l]
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[app.common.math :as mth]
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[app.common.pages.helpers :as cph]
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[app.common.types.file :as ctf]
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[app.common.types.modifiers :as ctm]
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[app.common.types.shape-tree :as ctst]
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[app.config :as cfg]
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[app.main.fonts :as fonts]
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[app.main.ui.context :as muc]
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[app.main.ui.shapes.bool :as bool]
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[app.main.ui.shapes.circle :as circle]
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[app.main.ui.shapes.embed :as embed]
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[app.main.ui.shapes.export :as export]
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[app.main.ui.shapes.frame :as frame]
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[app.main.ui.shapes.group :as group]
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[app.main.ui.shapes.image :as image]
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[app.main.ui.shapes.path :as path]
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[app.main.ui.shapes.rect :as rect]
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[app.main.ui.shapes.shape :refer [shape-container]]
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[app.main.ui.shapes.svg-raw :as svg-raw]
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[app.main.ui.shapes.text :as text]
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[app.main.ui.shapes.text.fontfaces :as ff]
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[app.util.http :as http]
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[app.util.object :as obj]
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[app.util.strings :as ust]
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[app.util.thumbnails :as th]
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[app.util.timers :as ts]
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[beicon.core :as rx]
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[clojure.set :as set]
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[cuerdas.core :as str]
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[rumext.v2 :as mf]))
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(def ^:const viewbox-decimal-precision 3)
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(def ^:private default-color clr/canvas)
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(mf/defc background
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[{:keys [vbox color]}]
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[:rect
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{:x (:x vbox)
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:y (:y vbox)
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:width (:width vbox)
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:height (:height vbox)
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:fill color}])
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(defn- calculate-dimensions
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[objects]
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(let [bounds (->> (ctst/get-root-objects objects)
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(map (partial gsb/get-object-bounds objects))
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(grc/join-rects))]
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(-> bounds
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(update :x mth/finite 0)
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(update :y mth/finite 0)
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(update :width mth/finite 100000)
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(update :height mth/finite 100000)
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(grc/update-rect :position))))
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(declare shape-wrapper-factory)
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(defn frame-wrapper-factory
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[objects]
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(let [shape-wrapper (shape-wrapper-factory objects)
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frame-shape (frame/frame-shape shape-wrapper)]
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(mf/fnc frame-wrapper
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[{:keys [shape] :as props}]
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(let [render-thumbnails? (mf/use-ctx muc/render-thumbnails)
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childs (mapv #(get objects %) (:shapes shape))]
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(if (and render-thumbnails? (some? (:thumbnail shape)))
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[:& frame/frame-thumbnail {:shape shape :bounds (:children-bounds shape)}]
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[:& frame-shape {:shape shape :childs childs}])))))
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(defn group-wrapper-factory
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[objects]
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(let [shape-wrapper (shape-wrapper-factory objects)
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group-shape (group/group-shape shape-wrapper)]
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(mf/fnc group-wrapper
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[{:keys [shape] :as props}]
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(let [childs (mapv #(get objects %) (:shapes shape))]
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[:& group-shape {:shape shape
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:is-child-selected? true
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:childs childs}]))))
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(defn bool-wrapper-factory
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[objects]
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(let [shape-wrapper (shape-wrapper-factory objects)
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bool-shape (bool/bool-shape shape-wrapper)]
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(mf/fnc bool-wrapper
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[{:keys [shape] :as props}]
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(let [childs (mf/with-memo [(:id shape) objects]
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(->> (cph/get-children-ids objects (:id shape))
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(select-keys objects)))]
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[:& bool-shape {:shape shape :childs childs}]))))
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(defn svg-raw-wrapper-factory
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[objects]
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(let [shape-wrapper (shape-wrapper-factory objects)
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svg-raw-shape (svg-raw/svg-raw-shape shape-wrapper)]
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(mf/fnc svg-raw-wrapper
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[{:keys [shape] :as props}]
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(let [childs (mapv #(get objects %) (:shapes shape))]
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(if (and (map? (:content shape))
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(or (= :svg (get-in shape [:content :tag]))
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(contains? shape :svg-attrs)))
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[:> shape-container {:shape shape}
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[:& svg-raw-shape {:shape shape
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:childs childs}]]
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[:& svg-raw-shape {:shape shape
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:childs childs}])))))
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(defn shape-wrapper-factory
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[objects]
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(mf/fnc shape-wrapper
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[{:keys [frame shape] :as props}]
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(let [group-wrapper (mf/use-memo (mf/deps objects) #(group-wrapper-factory objects))
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svg-raw-wrapper (mf/use-memo (mf/deps objects) #(svg-raw-wrapper-factory objects))
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bool-wrapper (mf/use-memo (mf/deps objects) #(bool-wrapper-factory objects))
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frame-wrapper (mf/use-memo (mf/deps objects) #(frame-wrapper-factory objects))]
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(when (and shape (not (:hidden shape)))
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(let [opts #js {:shape shape}
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svg-raw? (= :svg-raw (:type shape))]
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(if-not svg-raw?
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[:> shape-container {:shape shape}
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(case (:type shape)
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:text [:> text/text-shape opts]
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:rect [:> rect/rect-shape opts]
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:path [:> path/path-shape opts]
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:image [:> image/image-shape opts]
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:circle [:> circle/circle-shape opts]
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:frame [:> frame-wrapper {:shape shape}]
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:group [:> group-wrapper {:shape shape :frame frame}]
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:bool [:> bool-wrapper {:shape shape :frame frame}]
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nil)]
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;; Don't wrap svg elements inside a <g> otherwise some can break
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[:> svg-raw-wrapper {:shape shape :frame frame}]))))))
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(defn format-viewbox
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"Format a viewbox given a rectangle"
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[{:keys [x y width height] :or {x 0 y 0 width 100 height 100}}]
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(str/join
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" "
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(->> [x y width height]
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(map #(ust/format-precision % viewbox-decimal-precision)))))
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(defn adapt-root-frame
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[objects object]
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(let [shapes (cph/get-immediate-children objects)
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srect (gsh/shapes->rect shapes)
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object (merge object (select-keys srect [:x :y :width :height]))]
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(assoc object :fill-color "#f0f0f0")))
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(defn adapt-objects-for-shape
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[objects object-id]
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(let [object (get objects object-id)
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object (cond->> object
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(cph/root? object)
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(adapt-root-frame objects))
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;; Replace the previous object with the new one
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objects (assoc objects object-id object)
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vector (-> (gpt/point (:x object) (:y object))
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(gpt/negate))
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mod-ids (cons object-id (cph/get-children-ids objects object-id))
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updt-fn #(update %1 %2 gsh/transform-shape (ctm/move-modifiers vector))]
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(reduce updt-fn objects mod-ids)))
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(mf/defc page-svg
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{::mf/wrap [mf/memo]}
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[{:keys [data thumbnails? render-embed? include-metadata?] :as props
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:or {render-embed? false include-metadata? false}}]
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(let [objects (:objects data)
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shapes (cph/get-immediate-children objects)
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dim (calculate-dimensions objects)
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vbox (format-viewbox dim)
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bgcolor (dm/get-in data [:options :background] default-color)
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shape-wrapper
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(mf/use-memo
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(mf/deps objects)
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#(shape-wrapper-factory objects))]
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[:& (mf/provider muc/render-thumbnails) {:value thumbnails?}
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[:& (mf/provider embed/context) {:value render-embed?}
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[:& (mf/provider export/include-metadata-ctx) {:value include-metadata?}
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[:svg {:view-box vbox
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:version "1.1"
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:xmlns "http://www.w3.org/2000/svg"
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:xmlnsXlink "http://www.w3.org/1999/xlink"
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:xmlns:penpot (when include-metadata? "https://penpot.app/xmlns")
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:style {:width "100%"
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:height "100%"
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:background bgcolor}
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:fill "none"}
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(when include-metadata?
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[:& export/export-page {:id (:id data) :options (:options data)}])
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(let [shapes (->> shapes
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(remove cph/frame-shape?)
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(mapcat #(cph/get-children-with-self objects (:id %))))
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fonts (ff/shapes->fonts shapes)]
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[:& ff/fontfaces-style {:fonts fonts}])
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(for [item shapes]
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[:& shape-wrapper {:shape item
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:key (:id item)}])]]]]))
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(mf/defc frame-imposter
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{::mf/wrap-props false}
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[{:keys [objects frame vbox width height]}]
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(let [shape-wrapper (shape-wrapper-factory objects)]
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[:& (mf/provider muc/render-thumbnails) {:value false}
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[:svg {:view-box vbox
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:width (ust/format-precision width viewbox-decimal-precision)
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:height (ust/format-precision height viewbox-decimal-precision)
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:version "1.1"
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:xmlns "http://www.w3.org/2000/svg"
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:xmlnsXlink "http://www.w3.org/1999/xlink"
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:fill "none"}
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[:& shape-wrapper {:shape frame}]]]))
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;; Component that serves for render frame thumbnails, mainly used in
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;; the viewer and inspector
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(mf/defc frame-svg
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{::mf/wrap [mf/memo]}
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[{:keys [objects frame zoom show-thumbnails?] :or {zoom 1} :as props}]
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(let [frame-id (:id frame)
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include-metadata? (mf/use-ctx export/include-metadata-ctx)
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bounds (gsb/get-object-bounds objects frame)
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;; Bounds without shadows/blur will be the bounds of the thumbnail
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bounds2 (gsb/get-object-bounds objects (dissoc frame :shadow :blur))
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delta-bounds (gpt/point (:x bounds) (:y bounds))
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vector (gpt/negate delta-bounds)
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children-ids
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(cph/get-children-ids objects frame-id)
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objects
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(mf/with-memo [frame-id objects vector]
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(let [update-fn #(update %1 %2 gsh/transform-shape (ctm/move-modifiers vector))]
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(->> children-ids
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(into [frame-id])
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(reduce update-fn objects))))
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frame
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(mf/with-memo [vector]
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(gsh/transform-shape frame (ctm/move-modifiers vector)))
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frame
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(cond-> frame
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(and (some? bounds) (nil? (:children-bounds bounds)))
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(assoc :children-bounds bounds2))
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frame (-> frame
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(update-in [:children-bounds :x] - (:x delta-bounds))
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(update-in [:children-bounds :y] - (:y delta-bounds)))
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shape-wrapper
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(mf/use-memo
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(mf/deps objects)
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#(shape-wrapper-factory objects))
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width (* (:width bounds) zoom)
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height (* (:height bounds) zoom)
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vbox (format-viewbox {:width (:width bounds 0) :height (:height bounds 0)})]
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[:& (mf/provider muc/render-thumbnails) {:value show-thumbnails?}
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[:svg {:view-box vbox
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:width (ust/format-precision width viewbox-decimal-precision)
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:height (ust/format-precision height viewbox-decimal-precision)
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:version "1.1"
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:xmlns "http://www.w3.org/2000/svg"
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:xmlnsXlink "http://www.w3.org/1999/xlink"
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:xmlns:penpot (when include-metadata? "https://penpot.app/xmlns")
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:fill "none"}
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[:& shape-wrapper {:shape frame}]]]))
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;; Component for rendering a thumbnail of a single componenent. Mainly
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;; used to render thumbnails on assets panel.
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(mf/defc component-svg
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{::mf/wrap [mf/memo #(mf/deferred % ts/idle-then-raf)]}
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[{:keys [objects root-shape zoom] :or {zoom 1} :as props}]
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(when root-shape
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(let [root-shape-id (:id root-shape)
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include-metadata? (mf/use-ctx export/include-metadata-ctx)
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vector
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(mf/use-memo
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(mf/deps (:x root-shape) (:y root-shape))
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(fn []
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(-> (gpt/point (:x root-shape) (:y root-shape))
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(gpt/negate))))
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objects
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(mf/use-memo
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(mf/deps vector objects root-shape-id)
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(fn []
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(let [children-ids (cons root-shape-id (cph/get-children-ids objects root-shape-id))
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update-fn #(update %1 %2 gsh/transform-shape (ctm/move-modifiers vector))]
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(reduce update-fn objects children-ids))))
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root-shape' (get objects root-shape-id)
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width (* (:width root-shape') zoom)
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height (* (:height root-shape') zoom)
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vbox (format-viewbox {:width (:width root-shape' 0)
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:height (:height root-shape' 0)})
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root-shape-wrapper
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(mf/use-memo
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(mf/deps objects root-shape')
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(fn []
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(case (:type root-shape')
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:group (group-wrapper-factory objects)
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:frame (frame-wrapper-factory objects))))]
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[:svg {:view-box vbox
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:width (ust/format-precision width viewbox-decimal-precision)
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:height (ust/format-precision height viewbox-decimal-precision)
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:version "1.1"
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:xmlns "http://www.w3.org/2000/svg"
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:xmlnsXlink "http://www.w3.org/1999/xlink"
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:xmlns:penpot (when include-metadata? "https://penpot.app/xmlns")
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:fill "none"}
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[:> shape-container {:shape root-shape'}
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[:& (mf/provider muc/is-component?) {:value true}
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[:& root-shape-wrapper {:shape root-shape' :view-box vbox}]]]])))
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(mf/defc object-svg
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{::mf/wrap [mf/memo]}
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[{:keys [objects object-id render-embed?]
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:or {render-embed? false}
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:as props}]
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(let [object (get objects object-id)
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object (cond-> object
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(:hide-fill-on-export object)
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(assoc :fills []))
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{:keys [width height] :as bounds} (gsb/get-object-bounds objects object)
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vbox (format-viewbox bounds)
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fonts (ff/shape->fonts object objects)
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shape-wrapper
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(mf/with-memo [objects]
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(shape-wrapper-factory objects))]
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[:& (mf/provider export/include-metadata-ctx) {:value false}
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[:& (mf/provider embed/context) {:value render-embed?}
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[:svg {:id (dm/str "screenshot-" object-id)
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:view-box vbox
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:width (ust/format-precision width viewbox-decimal-precision)
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:height (ust/format-precision height viewbox-decimal-precision)
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:version "1.1"
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:xmlns "http://www.w3.org/2000/svg"
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:xmlnsXlink "http://www.w3.org/1999/xlink"
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;; Fix Chromium bug about color of html texts
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;; https://bugs.chromium.org/p/chromium/issues/detail?id=1244560#c5
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:style {:-webkit-print-color-adjust :exact}
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:fill "none"}
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[:& ff/fontfaces-style {:fonts fonts}]
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[:& shape-wrapper {:shape object}]]]]))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; SPRITES (DEBUG)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(mf/defc component-symbol
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[{:keys [component] :as props}]
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(let [name (:name component)
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path (:path component)
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root-id (or (:main-instance-id component)
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(:id component))
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objects (adapt-objects-for-shape (:objects component)
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root-id)
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root-shape (get objects root-id)
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selrect (:selrect root-shape)
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main-instance-id (:main-instance-id component)
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main-instance-page (:main-instance-page component)
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main-instance-x (:main-instance-x component)
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main-instance-y (:main-instance-y component)
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vbox
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(format-viewbox
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{:width (:width selrect)
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:height (:height selrect)})
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group-wrapper
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(mf/use-memo
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(mf/deps objects)
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(fn [] (group-wrapper-factory objects)))
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frame-wrapper
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(mf/use-memo
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(mf/deps objects)
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(fn [] (frame-wrapper-factory objects)))]
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[:> "symbol" #js {:id (str root-id)
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:viewBox vbox
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"penpot:path" path
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"penpot:main-instance-id" main-instance-id
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"penpot:main-instance-page" main-instance-page
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"penpot:main-instance-x" main-instance-x
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"penpot:main-instance-y" main-instance-y}
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[:title name]
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[:> shape-container {:shape root-shape}
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(case (:type root-shape)
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:group [:& group-wrapper {:shape root-shape :view-box vbox}]
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:frame [:& frame-wrapper {:shape root-shape :view-box vbox}])]]))
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(mf/defc components-sprite-svg
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{::mf/wrap-props false}
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[props]
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(let [data (obj/get props "data")
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children (obj/get props "children")
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render-embed? (obj/get props "render-embed?")
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include-metadata? (obj/get props "include-metadata?")
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source (keyword (obj/get props "source" "components"))]
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[:& (mf/provider embed/context) {:value render-embed?}
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[:& (mf/provider export/include-metadata-ctx) {:value include-metadata?}
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[:svg {:version "1.1"
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:xmlns "http://www.w3.org/2000/svg"
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:xmlnsXlink "http://www.w3.org/1999/xlink"
|
|
:xmlns:penpot (when include-metadata? "https://penpot.app/xmlns")
|
|
:style {:display (when-not (some? children) "none")}
|
|
:fill "none"}
|
|
[:defs
|
|
(for [[id component] (source data)]
|
|
(let [component (ctf/load-component-objects data component)]
|
|
[:& component-symbol {:key (dm/str id) :component component}]))]
|
|
|
|
children]]]))
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; RENDER FOR DOWNLOAD (wrongly called exportation)
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
(defn- get-image-data [shape]
|
|
(cond
|
|
(= :image (:type shape))
|
|
[(:metadata shape)]
|
|
|
|
(some? (:fill-image shape))
|
|
[(:fill-image shape)]
|
|
|
|
:else
|
|
[]))
|
|
|
|
(defn- populate-images-cache
|
|
[objects]
|
|
(let [images (->> objects
|
|
(vals)
|
|
(mapcat get-image-data))]
|
|
(->> (rx/from images)
|
|
(rx/map #(cfg/resolve-file-media %))
|
|
(rx/flat-map http/fetch-data-uri))))
|
|
|
|
(defn populate-fonts-cache [objects]
|
|
(let [texts (->> objects
|
|
(vals)
|
|
(filterv #(= (:type %) :text))
|
|
(mapv :content))]
|
|
|
|
(->> (rx/from texts)
|
|
(rx/map fonts/get-content-fonts)
|
|
(rx/reduce set/union #{})
|
|
(rx/flat-map identity)
|
|
(rx/flat-map fonts/fetch-font-css)
|
|
(rx/flat-map fonts/extract-fontface-urls)
|
|
(rx/flat-map http/fetch-data-uri))))
|
|
|
|
(defn render-page
|
|
[data]
|
|
(rx/concat
|
|
(->> (rx/merge
|
|
(populate-images-cache (:objects data))
|
|
(populate-fonts-cache (:objects data)))
|
|
(rx/ignore))
|
|
|
|
(->> (rx/of data)
|
|
(rx/map
|
|
(fn [data]
|
|
(let [elem (mf/element page-svg #js {:data data :render-embed? true :include-metadata? true})]
|
|
(rds/renderToStaticMarkup elem)))))))
|
|
|
|
(defn render-components
|
|
[data source]
|
|
(let [;; Join all components objects into a single map
|
|
objects (->> (source data)
|
|
(vals)
|
|
(map (partial ctf/load-component-objects data))
|
|
(map :objects)
|
|
(reduce conj))]
|
|
(rx/concat
|
|
(->> (rx/merge
|
|
(populate-images-cache objects)
|
|
(populate-fonts-cache objects))
|
|
(rx/ignore))
|
|
|
|
(->> (rx/of data)
|
|
(rx/map
|
|
(fn [data]
|
|
(let [elem (mf/element components-sprite-svg
|
|
#js {:data data :render-embed? true :include-metadata? true
|
|
:source (name source)})]
|
|
(rds/renderToStaticMarkup elem))))))))
|
|
|
|
(defn render-frame
|
|
[objects shape object-id]
|
|
(let [shape-id (dm/get-prop shape :id)
|
|
fonts (ff/shape->fonts shape objects)
|
|
|
|
bounds (if (:show-content shape)
|
|
(let [ids (cph/get-children-ids objects shape-id)
|
|
children (sequence (keep (d/getf objects)) ids)]
|
|
(gsh/shapes->rect (cons shape children)))
|
|
(-> shape :points grc/points->rect))
|
|
|
|
x (dm/get-prop bounds :x)
|
|
y (dm/get-prop bounds :y)
|
|
width (dm/get-prop bounds :width)
|
|
height (dm/get-prop bounds :height)
|
|
|
|
viewbox (str/ffmt "% % % %" x y width height)
|
|
|
|
[fixed-width
|
|
fixed-height] (th/get-proportional-size width height)
|
|
|
|
data (rds/renderToStaticMarkup
|
|
(mf/element frame-imposter
|
|
#js {:objects objects
|
|
:frame shape
|
|
:vbox viewbox
|
|
:width width
|
|
:height height}))]
|
|
|
|
(->> (fonts/render-font-styles-cached fonts)
|
|
(rx/catch (fn [cause]
|
|
(l/err :hint "unexpected error on rendering imposter"
|
|
:cause cause)
|
|
(rx/empty)))
|
|
(rx/map (fn [styles]
|
|
{:id object-id
|
|
:data data
|
|
:viewbox viewbox
|
|
:width fixed-width
|
|
:height fixed-height
|
|
:styles styles})))))
|