@jscad/amf-serializer - npm Package Compare versions

Comparing version 0.1.1 to 1.0.0-pre-V2.0

index.js

@@ -1,72 +0,182 @@
-const { ensureManifoldness } = require('@jscad/io-utils')
+/*
+JSCAD Object to AMF (XML) Format Serialization
+
+## License
+
+Copyright (c) 2018 JSCAD Organization https://github.com/jscad
+
+All code released under MIT license
+
+Notes:
+1) CAG conversion to:
+     none
+2) CSG conversion to:
+     mesh
+3) Path2D conversion to:
+     none
+
+TBD
+1) support zip output
+*/
+
+const {isCSG} = require('@jscad/csg')
+const {ensureManifoldness} = require('@jscad/io-utils')
+const {toArray} = require('@jscad/io-utils/arrays')
+const stringify = require('onml/lib/stringify')
+
 const mimeType = 'application/amf+xml'
 
-function serialize (CSG, m, options) {
-  options && options.statusCallback && options.statusCallback({progress: 0})
-  CSG = ensureManifoldness(CSG)
-  var result = '<?xml version="1.0" encoding="UTF-8"?>\n<amf' + (m && m.unit ? ' unit="+m.unit"' : '') + '>\n'
-  for (var k in m) {
-    result += '<metadata type="' + k + '">' + m[k] + '</metadata>\n'
+/** Serialize the give objects to AMF (xml) format.
+ * @param {Object} [options] - options for serialization
+ * @param {Object|Array} objects - objects to serialize as AMF
+ * @returns {Array} serialized contents, AMF format
+ */
+const serialize = (...params) => {
+  let options = {}
+  let objects
+  if (params.length === 0) {
+    throw new Error('no arguments supplied to serialize function !')
+  } else if (params.length === 1) {
+    // assumed to be object(s)
+    objects = Array.isArray(params[0]) ? params[0] : params
+  } else if (params.length > 1) {
+    options = params[0]
+    objects = params[1]
   }
-  result += '<object id="0">\n<mesh>\n<vertices>\n'
+  // make sure we always deal with arrays of objects as inputs
+  objects = toArray(objects)
 
-  CSG.polygons.map(function (p) { // first we dump all vertices of all polygons
-    for (var i = 0; i < p.vertices.length; i++) {
-      result += CSGVertextoAMFString(p.vertices[i])
+  const defaults = {
+    statusCallback: null,
+    unit: 'millimeter', // millimeter, inch, feet, meter or micrometer
+    metadata: null
+  }
+  options = Object.assign({}, defaults, options)
+
+  options.statusCallback && options.statusCallback({progress: 0})
+
+  // construct the contents of the XML
+  var body = ['amf',
+    {
+      unit: options.unit,
+      version: '1.1'
+    },
+    ['metadata', {type: 'author'}, 'Created using JSCAD']
+  ]
+  body = body.concat(translateObjects(objects, options))
+
+  // convert the contents to AMF (XML) format
+  var amf = `<?xml version="1.0" encoding="UTF-8"?>
+${stringify(body)}`
+
+  options && options.statusCallback && options.statusCallback({progress: 100})
+
+  return [amf]
+}
+
+const translateObjects = (objects, options) => {
+  let contents = []
+  objects.forEach(function (object, i) {
+    if (isCSG(object) && object.polygons.length > 0) {
+      object = ensureManifoldness(object)
+      options.id = i
+      contents.push(convertCSG(object, options))
     }
   })
-  result += '</vertices>\n'
+  return contents
+}
 
-  var n = 0
-  CSG.polygons.map(function (p, i) { // then we dump all polygons
-    result += '<volume>\n'
-    if (p.vertices.length < 3) {
-      return
-    }
-    var color = null
-    if (p.shared && p.shared.color) {
-      color = p.shared.color
-    } else if (p.color) {
-      color = p.color
-    }
-    if (color != null) {
-      if (color.length < 4) color.push(1.0)
-      result += '<color><r>' + color[0] + '</r><g>' + color[1] + '</g><b>' + color[2] + '</b><a>' + color[3] + '</a></color>'
-    }
+const convertCSG = (object, options) => {
+  var contents = ['object', {id: options.id}, convertToMesh(object, options)]
+  return contents
+}
 
-    for (var i = 0; i < p.vertices.length - 2; i++) { // making sure they are all triangles (triangular polygons)
-      result += '<triangle>'
-      result += '<v1>' + (n) + '</v1>'
-      result += '<v2>' + (n + i + 1) + '</v2>'
-      result += '<v3>' + (n + i + 2) + '</v3>'
-      result += '</triangle>\n'
+const convertToMesh = (object, options) => {
+  var contents = ['mesh', {}, convertToVertices(object, options)]
+  contents = contents.concat(convertToVolumes(object, options))
+  return contents
+}
+
+/*
+ * This section converts each CSG object to a list of vertex / coordinates
+ */
+
+const convertToVertices = (object, options) => {
+  var contents = ['vertices', {}]
+
+  let vertices = []
+  object.polygons.forEach(function (polygon) {
+    for (let i = 0; i < polygon.vertices.length; i++) {
+      vertices.push(convertToVertex(polygon.vertices[i], options))
     }
-    n += p.vertices.length
-    result += '</volume>\n'
-    options && options.statusCallback && options.statusCallback({progress: 100 * i / CSG.polygons.length})
   })
-  result += '</mesh>\n</object>\n'
-  result += '</amf>\n'
 
-  options && options.statusCallback && options.statusCallback({progress: 100})
+  return contents.concat(vertices)
+}
 
-  return [result]
+const convertToVertex = (vertex, options) => {
+  let contents = ['vertex', {}, convertToCoordinates(vertex, options)]
+  return contents
 }
 
-function CSGVectortoAMFString (v) {
-  return '<x>' + v._x + '</x><y>' + v._y + '</y><z>' + v._z + '</z>'
+const convertToCoordinates = (vertex, options) => {
+  let position = vertex.pos
+  let contents = ['coordinates', {}, ['x', {}, position._x], ['y', {}, position._y], ['z', {}, position._z]]
+  return contents
 }
 
-function CSGVertextoAMFString (vertex) {
-  return '<vertex><coordinates>' + CSGVectortoAMFString(vertex.pos) + '</coordinates></vertex>\n'
-}
 /*
-CSG.Vector3D.prototype.toAMFString = function () {
-  return '<x>' + this._x + '</x><y>' + this._y + '</y><z>' + this._z + '</z>'
+ * This section converts each CSG object to a list of volumes consisting of indexes into the list of vertices
+ */
+
+const convertToVolumes = (object, options) => {
+  let contents = []
+
+  let n = 0
+  object.polygons.forEach(function (polygon) {
+    if (polygon.vertices.length < 3) {
+      return
+    }
+
+    let volume = ['volume', {}]
+    let color = convertToColor(polygon, options)
+    let triangles = convertToTriangles(polygon, n)
+
+    if (color) {
+      volume.push(color)
+    }
+    volume = volume.concat(triangles)
+
+    contents.push(volume)
+
+    n += polygon.vertices.length
+  })
+  return contents
 }
 
-CSG.Vertex.prototype.toAMFString = function () {
-  return '<vertex><coordinates>' + this.pos.toAMFString() + '</coordinates></vertex>\n'
-} */
+const convertToColor = (polygon, options) => {
+  let color = null
+  if (polygon.shared && polygon.shared.color) {
+    color = polygon.shared.color
+  } else if (polygon.color) {
+    color = polygon.color
+  }
+  if (color != null) {
+    if (color.length < 4) color.push(1.0)
+    return ['color', {}, ['r', {}, color[0]], ['g', {}, color[1]], ['b', {}, color[2]], ['a', {}, color[3]]]
+  }
+  return null
+}
 
+const convertToTriangles = (polygon, index) => {
+  let contents = []
+
+  // making sure they are all triangles (triangular polygons)
+  for (var i = 0; i < polygon.vertices.length - 2; i++) {
+    let triangle = ['triangle', {}, ['v1', {}, index], ['v2', {}, (index + i + 1)], ['v3', {}, (index + i + 2)]]
+    contents.push(triangle)
+  }
+  return contents
+}
+
 module.exports = {
@@ -73,0 +183,0 @@ serialize,

package.json

 {
   "name": "@jscad/amf-serializer",
-  "version": "0.1.1",
+  "version": "1.0.0-pre-V2.0",
   "description": "Amf serializer for jscad project",
@@ -8,3 +8,3 @@ "repository": "https://github.com/jscad/io",
   "scripts": {
-    "test": "ava './test.js' --verbose --timeout 10000",
+    "test": "ava './test.js' --verbose --timeout 20000",
     "release-patch": "git checkout master && npm version patch && git commit -a -m 'chore(dist): built dist/'; git push origin master --tags ",
@@ -37,9 +37,9 @@ "release-minor": "git checkout master && npm version minor && git commit -a -m 'chore(dist): built dist/'; git push origin master --tags ",
   "dependencies": {
-    "@jscad/io-utils": "^0.1.2",
-    "sax": "^1.2.1",
-    "xmldom": "^0.1.27"
+    "@jscad/csg": "^0.5.3",
+    "@jscad/io-utils": "^1.0.0-pre-V2.0",
+    "onml": "^0.4.1"
   },
   "devDependencies": {
-    "@jscad/csg": "0.3.6"
+    "ava": "^0.19.1"
   }
 }

test.js

@@ -6,7 +6,565 @@ const test = require('ava')
 test('serialize csg to amf', function (t) {
-  const input = new CSG.cube()
-  const expected = [ '<?xml version="1.0" encoding="UTF-8"?>\n<amf>\n<object id="0">\n<mesh>\n<vertices>\n<vertex><coordinates><x>-1</x><y>-1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>-1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>-1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>-1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>-1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>-1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>-1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>-1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>-1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>-1</y><z>-1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>-1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>-1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>1</x><y>1</y><z>1</z></coordinates></vertex>\n<vertex><coordinates><x>-1</x><y>1</y><z>1</z></coordinates></vertex>\n</vertices>\n<volume>\n<triangle><v1>0</v1><v2>1</v2><v3>2</v3></triangle>\n<triangle><v1>0</v1><v2>2</v2><v3>3</v3></triangle>\n</volume>\n<volume>\n<triangle><v1>4</v1><v2>5</v2><v3>6</v3></triangle>\n<triangle><v1>4</v1><v2>6</v2><v3>7</v3></triangle>\n</volume>\n<volume>\n<triangle><v1>8</v1><v2>9</v2><v3>10</v3></triangle>\n<triangle><v1>8</v1><v2>10</v2><v3>11</v3></triangle>\n</volume>\n<volume>\n<triangle><v1>12</v1><v2>13</v2><v3>14</v3></triangle>\n<triangle><v1>12</v1><v2>14</v2><v3>15</v3></triangle>\n</volume>\n<volume>\n<triangle><v1>16</v1><v2>17</v2><v3>18</v3></triangle>\n<triangle><v1>16</v1><v2>18</v2><v3>19</v3></triangle>\n</volume>\n<volume>\n<triangle><v1>20</v1><v2>21</v2><v3>22</v3></triangle>\n<triangle><v1>20</v1><v2>22</v2><v3>23</v3></triangle>\n</volume>\n</mesh>\n</object>\n</amf>\n' ]
-  const observed = serializer.serialize(input)
+  const emptyShape = new CSG()
+  const observed1 = serializer.serialize({}, emptyShape)
+  t.deepEqual(observed1, expected1)
 
-  t.deepEqual(observed, expected)
+  const testCube = new CSG.cube()
+  const observed2 = serializer.serialize(testCube)
+  t.deepEqual(observed2, expected2)
+
+  const coloredCube = testCube.setColor([1.0, 0.0, 0.5, 0.8])
+  const observed3 = serializer.serialize({unit: 'inch'}, coloredCube)
+  t.deepEqual(observed3, expected3)
 })
+
+const expected1 = [
+  `<?xml version="1.0" encoding="UTF-8"?>
+<amf unit=\"millimeter\" version=\"1.1\">
+  <metadata type=\"author\">Created using JSCAD</metadata>
+</amf>
+`
+]
+
+const expected2 = [
+  `<?xml version="1.0" encoding="UTF-8"?>
+<amf unit=\"millimeter\" version=\"1.1\">
+  <metadata type=\"author\">Created using JSCAD</metadata>
+  <object id="0">
+    <mesh>
+      <vertices>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+      </vertices>
+      <volume>
+        <triangle>
+          <v1>0</v1>
+          <v2>1</v2>
+          <v3>2</v3>
+        </triangle>
+        <triangle>
+          <v1>0</v1>
+          <v2>2</v2>
+          <v3>3</v3>
+        </triangle>
+      </volume>
+      <volume>
+        <triangle>
+          <v1>4</v1>
+          <v2>5</v2>
+          <v3>6</v3>
+        </triangle>
+        <triangle>
+          <v1>4</v1>
+          <v2>6</v2>
+          <v3>7</v3>
+        </triangle>
+      </volume>
+      <volume>
+        <triangle>
+          <v1>8</v1>
+          <v2>9</v2>
+          <v3>10</v3>
+        </triangle>
+        <triangle>
+          <v1>8</v1>
+          <v2>10</v2>
+          <v3>11</v3>
+        </triangle>
+      </volume>
+      <volume>
+        <triangle>
+          <v1>12</v1>
+          <v2>13</v2>
+          <v3>14</v3>
+        </triangle>
+        <triangle>
+          <v1>12</v1>
+          <v2>14</v2>
+          <v3>15</v3>
+        </triangle>
+      </volume>
+      <volume>
+        <triangle>
+          <v1>16</v1>
+          <v2>17</v2>
+          <v3>18</v3>
+        </triangle>
+        <triangle>
+          <v1>16</v1>
+          <v2>18</v2>
+          <v3>19</v3>
+        </triangle>
+      </volume>
+      <volume>
+        <triangle>
+          <v1>20</v1>
+          <v2>21</v2>
+          <v3>22</v3>
+        </triangle>
+        <triangle>
+          <v1>20</v1>
+          <v2>22</v2>
+          <v3>23</v3>
+        </triangle>
+      </volume>
+    </mesh>
+  </object>
+</amf>
+`
+]
+
+const expected3 = [
+  `<?xml version="1.0" encoding="UTF-8"?>
+<amf unit=\"inch\" version=\"1.1\">
+  <metadata type=\"author\">Created using JSCAD</metadata>
+  <object id="0">
+    <mesh>
+      <vertices>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>-1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>-1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>-1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
+          <coordinates>
+            <x>1</x>
+            <y>1</y>
+            <z>1</z>
+          </coordinates>
+        </vertex>
+        <vertex>
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+          <r>1</r>
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+          <b>0.5</b>
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+          <v3>19</v3>
+        </triangle>
+      </volume>
+      <volume>
+        <color>
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+        <triangle>
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+          <v3>23</v3>
+        </triangle>
+      </volume>
+    </mesh>
+  </object>
+</amf>
+`
+]

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Major refactor

Supply chain risk

Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

20631

increased by122.51%

Lines of code

714

increased by750%

Number of low supply chain risk alerts

1

decreased by-50%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

Dependency changes

• + Added@jscad/csg@^0.5.3

• + Addedonml@^0.4.1

• + Added@jscad/csg@0.5.4(transitive)

• + Added@jscad/io-utils@1.0.0-pre-V2.0(transitive)

• + Addedonml@0.4.5(transitive)

• - Removedsax@^1.2.1

• - Removedxmldom@^0.1.27

• - Removed@jscad/io-utils@0.1.3(transitive)

• - Removedxmldom@0.1.31(transitive)

• Updated@jscad/io-utils@^1.0.0-pre-V2.0