pd-fileutils/lib/pd-rendering.js

A set of utilities for Pure Data files : parser, image generator.

/*
 * Copyright (c) 2012-2015 Sébastien Piquemal <sebpiq@gmail.com>
 *
 * BSD Simplified License.
 * For information on usage and redistribution, and for a DISCLAIMER OF ALL
 * WARRANTIES, see the file, "LICENSE.txt," in this distribution.
 *
 * See https://github.com/sebpiq/pd-fileutils for documentation
 *
 */
 
var mustache = require('mustache')
  , _ = require('underscore')

exports.render = function(patch) {

  // Render the graph canvas
  var rendered = ''
    , layout = _.clone(patch.layout || {})
  _.defaults(layout, {x: 0, y: 0, width: 500, height: 500})
  rendered += mustache.render(canvasTpl, {args: patch.args, layout: layout}) + ';\n'

  // Render all nodes
  _.forEach(patch.nodes.sort(function(n1, n2){return n1.id - n2.id}), function(node) {
    var layout = _.clone(node.layout || {})
    _.defaults(layout, {x: 0, y: 0})
    rendered += mustache.render(objTpl, {args: node.args, layout: layout, proto: node.proto}) + ';\n'
  })

  // Render all connections
  _.forEach(patch.connections, function(conn) {
    rendered += mustache.render(connectTpl, conn) + ';\n'
  })

  return rendered
}

var canvasTpl = '#N canvas {{{layout.x}}} {{{layout.y}}} {{{layout.width}}} {{{layout.height}}} {{{args.0}}}{{#layout.openOnLoad}} {{{.}}}{{/layout.openOnLoad}}'
  , connectTpl = '#X connect {{{source.id}}} {{{source.port}}} {{{sink.id}}} {{{sink.port}}}'

var floatAtomTpl = '#X floatatom {{{layout.x}}} {{{layout.y}}} {{{layout.width}}} {{{args.0}}} {{{args.1}}} {{{layout.labelPos}}} {{{layout.label}}} {{{args.2}}} {{{args.3}}}'
  , symbolAtomTpl = '#X symbolatom {{{layout.x}}} {{{layout.y}}} {{{layout.width}}} {{{args.0}}} {{{args.1}}} {{{layout.labelPos}}} {{{layout.label}}} {{{args.2}}} {{{args.3}}}'
  , bngTpl = '#X obj {{{layout.x}}} {{{layout.y}}} bng {{{layout.size}}} {{{layout.hold}}} {{{layout.interrupt}}} {{{args.0}}} {{{args.1}}} {{{args.2}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.fgColor}}} {{{layout.labelColor}}}'
  , nbxTpl = '#X obj {{{layout.x}}} {{{layout.y}}} nbx {{{layout.size}}} {{{layout.height}}} {{{args.0}}} {{{args.1}}} {{{layout.log}}} {{{args.2}}} {{{args.3}}} {{{args.4}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.fgColor}}} {{{layout.labelColor}}} {{{layout.logHeight}}}'
  , vslTpl = '#X obj {{{layout.x}}} {{{layout.y}}} vsl {{{layout.width}}} {{{layout.height}}} {{{args.0}}} {{{args.1}}} {{{layout.log}}} {{{args.2}}} {{{args.3}}} {{{args.4}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.fgColor}}} {{{layout.labelColor}}} {{{args.5}}} {{{layout.steadyOnClick}}}'
  , hslTpl = '#X obj {{{layout.x}}} {{{layout.y}}} hsl {{{layout.width}}} {{{layout.height}}} {{{args.0}}} {{{args.1}}} {{{layout.log}}} {{{args.2}}} {{{args.3}}} {{{args.4}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.fgColor}}} {{{layout.labelColor}}} {{{args.5}}} {{{layout.steadyOnClick}}}'
  , vradioTpl = '#X obj {{{layout.x}}} {{{layout.y}}} vradio {{{layout.size}}} {{{args.0}}} {{{args.1}}} {{{args.2}}} {{{args.3}}} {{{args.4}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.fgColor}}} {{{layout.labelColor}}} {{{args.5}}}'
  , hradioTpl = '#X obj {{{layout.x}}} {{{layout.y}}} hradio {{{layout.size}}} {{{args.0}}} {{{args.1}}} {{{args.2}}} {{{args.3}}} {{{args.4}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.fgColor}}} {{{layout.labelColor}}} {{{args.5}}}'
  , vuTpl = '#X obj {{{layout.x}}} {{{layout.y}}} vu {{{layout.width}}} {{{layout.height}}} {{{args.0}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.labelColor}}} {{{layout.log}}} {{{args.1}}}'
  , cnvTpl = '#X obj {{{layout.x}}} {{{layout.y}}} cnv {{{layout.size}}} {{{layout.width}}} {{{layout.height}}} {{{args.0}}} {{{args.1}}} {{{layout.label}}} {{{layout.labelX}}} {{{layout.labelY}}} {{{layout.labelFont}}} {{{layout.labelFontSize}}} {{{layout.bgColor}}} {{{layout.labelColor}}} {{{args.2}}}'
  , objTpl = '#X obj {{{layout.x}}} {{{layout.y}}} {{{proto}}}{{#args}} {{.}}{{/args}}'