From 0929719a845897cc8567cf972e07a69a71f0fa6f Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Thu, 30 Nov 2023 13:29:08 -0500
Subject: Migrate to a full rails app

---
 app/assets/javascripts/svg.js | 422 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 422 insertions(+)
 create mode 100644 app/assets/javascripts/svg.js

(limited to 'app/assets/javascripts/svg.js')

diff --git a/app/assets/javascripts/svg.js b/app/assets/javascripts/svg.js
new file mode 100644
index 0000000..c103b94
--- /dev/null
+++ b/app/assets/javascripts/svg.js
@@ -0,0 +1,422 @@
+namespace(function() {
+
+window.createElement = function(type) {
+  return document.createElementNS('http://www.w3.org/2000/svg', type)
+}
+
+window.drawSymbol = function(params, customMechanics) {
+  var svg = createElement('svg')
+  svg.setAttribute('viewBox', '0 0 ' + params.width + ' ' + params.height)
+  if (!params.x) params.x = 0
+  if (!params.y) params.y = 0
+  drawSymbolWithSvg(svg, params, customMechanics)
+  return svg
+}
+
+window.drawSymbolWithSvg = function(svg, params, customMechanics) {
+  if (params.type == 'square')        square(svg, params)
+  else if (params.type == 'dot')      dot(svg, params)
+  else if (params.type == 'gap')      gap(svg, params)
+  else if (params.type == 'star')     star(svg, params)
+  else if (params.type == 'poly')     poly(svg, params)
+  else if (params.type == 'ylop')     ylop(svg, params)
+  else if (params.type == 'nega')     nega(svg, params)
+  else if (params.type == 'nonce')    { /* Do nothing */ }
+  else if (params.type == 'triangle') triangle(svg, params)
+  else if (params.type == 'crayon')   crayon(svg, params)
+  else if (params.type == 'start')    start(svg, params)
+  else if (params.type == 'end')      end(svg, params)
+  else if (params.type == 'drag')     drag(svg, params)
+  else if (params.type == 'plus')     plus(svg, params)
+  else if (params.type == 'minus')    minus(svg, params)
+  else if (params.type == 'bridge' && customMechanics) bridge(svg, params)
+  else if (params.type == 'arrow'  && customMechanics) arrow(svg, params)
+  else if (params.type == 'sizer'  && customMechanics) sizer(svg, params)
+  else {console.error('Cannot draw unknown SVG type: ' + params.type)}
+}
+
+function square(svg, params) {
+  var rect = createElement('rect')
+  svg.appendChild(rect)
+  rect.setAttribute('width', 28)
+  rect.setAttribute('height', 28)
+  rect.setAttribute('x', params.width/2-14 + params.x)
+  rect.setAttribute('y', params.height/2-14 + params.y)
+  rect.setAttribute('rx', 7)
+  rect.setAttribute('ry', 7)
+  rect.setAttribute('fill', params.color)
+  rect.setAttribute('class', params.class)
+}
+
+function star(svg, params) {
+  var poly = createElement('polygon')
+  svg.appendChild(poly)
+  var points = [
+    '-10.5 -10.5', // Top left
+    '-9.5 -4',
+    '-15 0',
+    '-9.5 4',
+    '-10.5 10.5', // Bottom left
+    '-4 9.5',
+    '0 15',
+    '4 9.5',
+    '10.5 10.5', // Bottom right
+    '9.5 4',
+    '15 0',
+    '9.5 -4',
+    '10.5 -10.5', // Top right
+    '4, -9.5',
+    '0 -15',
+    '-4 -9.5',
+  ]
+  poly.setAttribute('transform', 'translate(' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ')')
+  poly.setAttribute('points', points.join(', '))
+  poly.setAttribute('fill', params.color)
+  poly.setAttribute('class', params.class)
+}
+
+function poly(svg, params) {
+  if (params.polyshape === 0) return
+  var size = 10 // Side length of individual squares in the polyomino
+  var space = 4 // Gap between squares in the polyomino
+  var polyomino = window.polyominoFromPolyshape(params.polyshape)
+
+  var bounds = {'xmin':0, 'xmax':0, 'ymin':0, 'ymax':0}
+  for (var i=0; i<polyomino.length; i++) {
+    var pos = polyomino[i]
+    bounds.xmin = Math.min(bounds.xmin, pos.x)
+    bounds.xmax = Math.max(bounds.xmax, pos.x)
+    bounds.ymin = Math.min(bounds.ymin, pos.y)
+    bounds.ymax = Math.max(bounds.ymax, pos.y)
+  }
+  var offset = (size+space)/2 // Offset between elements to create the gap
+  var centerX = (params.width - size - offset * (bounds.xmax + bounds.xmin)) / 2 + params.x
+  var centerY = (params.height - size - offset * (bounds.ymax + bounds.ymin)) / 2 + params.y
+
+  for (var i=0; i<polyomino.length; i++) {
+    var pos = polyomino[i]
+    if (pos.x%2 !== 0 || pos.y%2 !== 0) continue
+    var rect = createElement('rect')
+    rect.style.pointerEvents = 'none'
+    var transform = 'translate(' + (centerX + pos.x*offset) + ', ' + (centerY + pos.y*offset) + ')'
+    if (window.isRotated(params.polyshape)) {
+      // -30 degree rotation around the midpoint of the square
+      transform = 'rotate(-30, ' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ') ' + transform
+    }
+    rect.setAttribute('transform', transform)
+    rect.setAttribute('height', size)
+    rect.setAttribute('width', size)
+    rect.setAttribute('fill', params.color)
+    rect.setAttribute('class', params.class)
+    svg.appendChild(rect)
+  }
+}
+
+function ylop(svg, params) {
+  if (params.polyshape === 0) return
+  var size = 12 // Side length of individual squares in the polyomino
+  var space = 2 // Gap between squares in the polyomino
+  var polyomino = window.polyominoFromPolyshape(params.polyshape)
+
+  var bounds = {'xmin':0, 'xmax':0, 'ymin':0, 'ymax':0}
+  for (var i=0; i<polyomino.length; i++) {
+    var pos = polyomino[i]
+    bounds.xmin = Math.min(bounds.xmin, pos.x)
+    bounds.xmax = Math.max(bounds.xmax, pos.x)
+    bounds.ymin = Math.min(bounds.ymin, pos.y)
+    bounds.ymax = Math.max(bounds.ymax, pos.y)
+  }
+  var offset = (size+space)/2 // Offset between elements to create the gap
+  var centerX = (params.width - size - offset * (bounds.xmax + bounds.xmin)) / 2 + params.x
+  var centerY = (params.height - size - offset * (bounds.ymax + bounds.ymin)) / 2 + params.y
+
+  for (var i=0; i<polyomino.length; i++) {
+    var pos = polyomino[i]
+    if (pos.x%2 !== 0 || pos.y%2 !== 0) continue
+    var poly = createElement('polygon')
+    poly.style.pointerEvents = 'none'
+    var points = [
+      '0 0', '12 0', '12 12', '0 12', '0 3',
+      '3 3', '3 9', '9 9', '9 3', '0 3',
+    ]
+    poly.setAttribute('points', points.join(', '))
+    var transform = 'translate(' + (centerX + pos.x*offset) + ', ' + (centerY + pos.y*offset) + ')'
+    if (window.isRotated(params.polyshape)) {
+      // -30 degree rotation around the midpoint of the square
+      transform = 'rotate(-30, ' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ') ' + transform
+    }
+    poly.setAttribute('transform', transform)
+    poly.setAttribute('fill', params.color)
+    poly.setAttribute('class', params.class)
+    svg.appendChild(poly)
+  }
+}
+
+function nega(svg, params) {
+  var poly = createElement('polygon')
+  svg.appendChild(poly)
+  var points = [
+    '2.9 -2',
+    '2.9 -10.4',
+    '-2.9 -10.4',
+    '-2.9 -2',
+    '-10.2 2.2',
+    '-7.3 7.2',
+    '0 3',
+    '7.3 7.2',
+    '10.2 2.2',
+  ]
+  poly.setAttribute('transform', 'translate(' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ')')
+  poly.setAttribute('points', points.join(', '))
+  poly.setAttribute('fill', params.color)
+  poly.setAttribute('class', params.class)
+}
+
+var triangleDistributions = [
+  [],
+  [1],
+  [2],
+  [3],
+  [2, 2],
+  [2, 3],
+  [3, 3],
+  [2, 3, 2],
+  [3, 2, 3],
+  [3, 3, 3]
+]
+
+function triangle(svg, params) {
+  var distribution = triangleDistributions[params.count]
+  var high = distribution.length
+  for (var y=0; y<high; y++) {
+    var wide = distribution[y]
+    for (var x=0; x<wide; x++) {
+      var poly = createElement('polygon')
+      svg.appendChild(poly)
+      var Xcoord = params.x + params.width/2 + 11*(2*x - wide + 1)
+      var Ycoord = params.y + params.height/2 + 10*(2*y - high + 1)
+      poly.setAttribute('transform', 'translate(' + Xcoord + ', ' + Ycoord + ')')
+      poly.setAttribute('points', '0 -8, -8 6, 8 6')
+      poly.setAttribute('fill', params.color)
+      poly.setAttribute('class', params.class)
+    }
+  }
+}
+
+function crayon(svg, params) {
+  var height = params.height
+
+  var poly = createElement('polygon')
+  svg.appendChild(poly)
+  var points = [
+    '0 ' + (height/2),
+    (height/2) + ' 0',
+    (height/2) + ' ' + height,
+  ]
+  poly.setAttribute('points', points.join(', '))
+  poly.setAttribute('fill', params.color)
+  var txt = createElement('text')
+  svg.appendChild(txt)
+  txt.setAttribute('fill', window.TEXT_COLOR)
+  txt.setAttribute('transform', 'translate(' + (height/2 + 10) + ', ' + (height/2 + 6) + ')')
+  txt.textContent = params.text
+}
+
+function start(svg, params) {
+  var circ = createElement('circle')
+  svg.appendChild(circ)
+  circ.setAttribute('r', 24)
+  circ.setAttribute('fill', window.FOREGROUND)
+  circ.setAttribute('cx', params.height/2 + params.x)
+  circ.setAttribute('cy', params.width/2 + params.y)
+}
+
+function end(svg, params) {
+  var rect = createElement('rect')
+  svg.appendChild(rect)
+  rect.setAttribute('width', 24)
+  rect.setAttribute('height', 24)
+  rect.setAttribute('fill', window.FOREGROUND)
+  rect.setAttribute('x', params.height/2 - 12 + params.x)
+  rect.setAttribute('y', params.width/2 - 12 + params.y)
+
+  var circ = createElement('circle')
+  svg.appendChild(circ)
+  circ.setAttribute('r', 12)
+  circ.setAttribute('fill', window.FOREGROUND)
+  circ.setAttribute('cx', params.height/2 + params.x)
+  circ.setAttribute('cy', params.width/2 + params.y)
+
+  if (params.dir === 'left') {
+    rect.setAttribute('x', parseInt(rect.getAttribute('x'), 10) - 12)
+    circ.setAttribute('cx', parseInt(circ.getAttribute('cx'), 10) - 24)
+  } else if (params.dir === 'right') {
+    rect.setAttribute('x', parseInt(rect.getAttribute('x'), 10) + 12)
+    circ.setAttribute('cx', parseInt(circ.getAttribute('cx'), 10) + 24)
+  } else if (params.dir === 'top') {
+    rect.setAttribute('y', parseInt(rect.getAttribute('y'), 10) - 12)
+    circ.setAttribute('cy', parseInt(circ.getAttribute('cy'), 10) - 24)
+  } else if (params.dir === 'bottom') {
+    rect.setAttribute('y', parseInt(rect.getAttribute('y'), 10) + 12)
+    circ.setAttribute('cy', parseInt(circ.getAttribute('cy'), 10) + 24)
+  } else {
+    console.error('Endpoint direction not defined!', JSON.stringify(params))
+  }
+}
+
+function dot(svg, params) {
+  var hex = createElement('polygon')
+  svg.appendChild(hex)
+  hex.setAttribute('points', '5.2 9, 10.4 0, 5.2 -9, -5.2 -9, -10.4 0, -5.2 9')
+  hex.setAttribute('transform', 'translate(' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ')')
+  hex.setAttribute('fill', params.color)
+  hex.setAttribute('class', params.class)
+  hex.setAttribute('stroke', params.stroke)
+  hex.setAttribute('stroke-width', params.strokeWidth)
+  hex.setAttribute('style', 'pointer-events:none;')
+}
+
+function gap(svg, params) {
+  if (!params.rot) params.rot = 0
+  var centerX = params.height/2 + params.x
+  var centerY = params.width/2 + params.y
+  var rotate = function(degrees) {return 'rotate(' + degrees + ', ' + centerX + ', ' + centerY + ')'}
+
+  var rect = createElement('rect')
+  svg.appendChild(rect)
+  rect.setAttribute('width', 32)
+  rect.setAttribute('height', 24)
+  rect.setAttribute('fill', window.FOREGROUND)
+  rect.setAttribute('transform', rotate(90 * params.rot))
+  rect.setAttribute('x', centerX - 40)
+  rect.setAttribute('y', centerY - 12)
+  rect.setAttribute('shape-rendering', 'crispedges')
+
+  var rect = createElement('rect')
+  svg.appendChild(rect)
+  rect.setAttribute('width', 32)
+  rect.setAttribute('height', 24)
+  rect.setAttribute('fill', window.FOREGROUND)
+  rect.setAttribute('transform', rotate(90 * params.rot))
+  rect.setAttribute('x', centerX + 9)
+  rect.setAttribute('y', centerY - 12)
+  rect.setAttribute('shape-rendering', 'crispedges')
+}
+
+function drag(svg, params) {
+  if (!params.rot) params.rot = 0
+
+  for (var i=0; i<6; i++) {
+    for (var j=0; j<2; j++) {
+      var rect = createElement('rect')
+      svg.appendChild(rect)
+      rect.setAttribute('width', 2)
+      rect.setAttribute('height', 2)
+      if (params.rot === 0) {
+        rect.setAttribute('x', i*4)
+        rect.setAttribute('y', j*4)
+      } else {
+        rect.setAttribute('y', i*4)
+        rect.setAttribute('x', j*4)
+      }
+      rect.setAttribute('fill', window.PAGE_BACKGROUND)
+    }
+  }
+}
+
+function plus(svg, params) {
+  var verti = createElement('rect')
+  svg.appendChild(verti)
+  verti.setAttribute('x', params.width/2 - 1)
+  verti.setAttribute('y', 3)
+  verti.setAttribute('width', 2)
+  verti.setAttribute('height', params.height - 6)
+  verti.setAttribute('fill', window.TEXT_COLOR)
+  minus(svg, params)
+}
+
+function minus(svg, params) {
+  var horiz = createElement('rect')
+  svg.appendChild(horiz)
+  horiz.setAttribute('x', 3)
+  horiz.setAttribute('y', params.height/2 - 1)
+  horiz.setAttribute('width', params.width - 6)
+  horiz.setAttribute('height', 2)
+  horiz.setAttribute('fill', window.TEXT_COLOR)
+}
+
+function bridge(svg, params) {
+  var poly = createElement('polygon')
+  svg.appendChild(poly)
+  var points = [
+    '-10.58 14.56',
+    '-17.12 -5.56',
+    '0 -18',
+    '17.12 -5.56',
+    '10.58 14.56',
+    '5.29 7.28',
+    '8.56 -2.78',
+    '0 -9',
+    '-8.56 -2.78',
+    '-5.29 7.28',
+  ]
+  poly.setAttribute('transform', 'translate(' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ')')
+  poly.setAttribute('points', points.join(', '))
+  poly.setAttribute('fill', params.color)
+  poly.setAttribute('class', params.class)
+}
+
+function arrow(svg, params) {
+  if (!params.rot) params.rot = 0
+
+  var centerX = params.height/2 + params.x
+  var centerY = params.width/2 + params.y
+  var rotate = function(degrees) {return 'rotate(' + degrees + ', ' + centerX + ', ' + centerY + ')'}
+
+  var rect = createElement('rect')
+  svg.appendChild(rect)
+  rect.setAttribute('width', 8)
+  rect.setAttribute('height', 46)
+  rect.setAttribute('fill', params.color)
+  rect.setAttribute('class', params.class)
+  rect.setAttribute('transform', rotate(45 * params.rot))
+  rect.setAttribute('x', centerX - 4)
+  rect.setAttribute('y', centerY - 22)
+
+  for (var i=0; i<params.count; i++) {
+    var arrowhead = createElement('polygon')
+    svg.appendChild(arrowhead)
+    var points = [
+      '-24 -15',
+      '-21.4 -8.6',
+      '0 -19',
+      '21.4 -8.6',
+      '24 -15',
+      '0 -27',
+    ]
+    var transform = rotate(45 * params.rot)
+    transform += ' translate(' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y + i*12) + ')'
+    arrowhead.setAttribute('transform', transform)
+    arrowhead.setAttribute('points', points.join(', '))
+    arrowhead.setAttribute('fill', params.color)
+    arrowhead.setAttribute('class', params.class)
+  }
+}
+
+function sizer(svg, params) {
+  var path = createElement('path')
+  svg.appendChild(path)
+  path.setAttribute('d',
+    'M -24 0 ' +
+    'a 24 24 0 0 0  24 -24 ' +
+    'a 24 24 0 0 0  24  24 ' +
+    'a 24 24 0 0 0 -24  24 ' +
+    'a 24 24 0 0 0 -24 -24 ' +
+    'z'
+  )
+  path.setAttribute('fill', params.color)
+  path.setAttribute('class', params.class)
+  path.setAttribute('transform', 'translate(' + (params.width/2 + params.x) + ', ' + (params.height/2 + params.y) + ')')
+}
+
+})
-- 
cgit 1.4.1