light9 Changeset - 3bb58b74c9c1

Changeset - 3bb58b74c9c1

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Drew Perttula - 8 years ago 2017-04-12 06:04:18
drewp@bigasterisk.com

timeline: add cache of floats between graph updates for smoother redraws
Ignore-this: dbdc4782855087f4ec12f1d24d440484

2 files changed with 16 insertions and 3 deletions:

light9/web/graph.coffee

light9/web/timeline/timeline.coffee

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light9/web/graph.coffee

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@@ @@ -133,12 +133,13 @@ class window.SyncedGraph @@
     if @graph?
       @_applyPatch({addQuads: [], delQuads: @graph.find()})
     # if we had a Store already, this lets N3.Store free all its indices/etc
     @graph = N3.Store()
     @_addPrefixes(@prefixes)
     @cachedFloatValues = new Map();
   _addPrefixes: (prefixes) ->
     @graph.addPrefixes(prefixes)
   Uri: (curie) ->
@@ @@ -176,12 +177,13 @@ class window.SyncedGraph @@
     @_client.sendPatch(patch) if @_client
   _applyPatch: (patch) ->
     # In most cases you want applyAndSendPatch.
+    #
     # This is the only method that writes to @graph!
     @cachedFloatValues.clear()
     for quad in patch.delQuads
       @graph.removeTriple(quad)
     for quad in patch.addQuads
       @graph.addTriple(quad)
     #log('applied patch locally', patchSizeSummary(patch))
     @_watchers.graphChanged(patch)
@@ @@ -230,13 +232,19 @@ class window.SyncedGraph @@
         obj = quads[0].object
         return obj
       else
         throw new Error("too many values: " + JSON.stringify(quads))
   floatValue: (s, p) ->
     parseFloat(N3.Util.getLiteralValue(@_singleValue(s, p)))
     key = s + '|' + p
     hit = @cachedFloatValues.get(key)
     return hit if hit != undefined
     ret = parseFloat(N3.Util.getLiteralValue(@_singleValue(s, p)))
     @cachedFloatValues.set(key, ret)
     return ret
   stringValue: (s, p) ->
     N3.Util.getLiteralValue(@_singleValue(s, p))
   uriValue: (s, p) ->
     @_singleValue(s, p)

light9/web/timeline/timeline.coffee

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@@ @@ -430,13 +430,18 @@ Polymer @@
       # as autodep still fires all handlers on all patches, we just
       # need any single dep to cause another callback. (without this,
       # we would no longer be registered at all)
       @graph.subjects(@uri, @uri, @uri)
       return
     if @isDetached?
       return
       return
     @updateDisplay()
   updateDisplay: ->
     # update our note DOM and SVG elements based on the graph
     U = (x) -> @graph.Uri(x)
     yForV = (v) => @offsetTop + (1 - v) * @offsetHeight
     originTime = @graph.floatValue(@uri, U(':originTime'))
@@ @@ -556,12 +561,13 @@ Polymer @@
         quad(setting, U(':value'), settingValue)
         ]}
       @graph.applyAndSendPatch(patch)
   addHandler: ->
     @graph.runHandler(@update.bind(@))
   update: ->
     U = (x) -> @graph.Uri(x)
     @effect = @graph.uriValue(@uri, U(':effectClass'))
     @effectLabel = @effect.replace(/.*\//, '')
     @noteLabel = @uri.replace(/.*\//, '')
@@ @@ -732,13 +738,12 @@ Polymer @@
       @ctx.strokeStyle = '#ff0303'
       @ctx.lineWidth = 3
       @ctx.beginPath()
       _line(@ctx, @cursorPath.bot0, @cursorPath.bot1, '#ff0303', '3px')
       @ctx.stroke()
 Polymer
   is: 'light9-adjusters-canvas'
   behaviors: [ Polymer.IronResizableBehavior ]
   properties:
     adjs: { type: Object, notify: true }, # adjId: Adjustable
   listeners: 'iron-resize': 'update'

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