1 files changed, 0 insertions, 239 deletions
diff --git a/docs/res/graphplot.js b/docs/res/graphplot.js
deleted file mode 100644
index b06f67f16..000000000
--- a/docs/res/graphplot.js
+++ /dev/null
@@ -1,239 +0,0 @@
-
-function GraphPlot(canvas) {
-  this.canvas = canvas
-  const g = canvas.getContext('2d')
-  if (g == null) {
-    throw new Error('failed to acquire 2d context')
-  }
-
-  this.width    = 0  // dp
-  this.height   = 0  // dp
-  this.widthPx  = 0  // px
-  this.heightPx = 0  // px
-  this.pixelRatio = 1
-  this.g = g
-  this.dataSegments = []
-  this.axes = {
-    x0: .5,          // % from left to x=0
-    y0: .5,          // % from top to y=0
-    scalex: 40,      // pixels from x=0 to x=1
-    scaley: 40,      // pixels from y=0 to y=1
-    negativeX: true,
-  }
-
-  if (!this.autosize()) {
-    this.setSize(256, 256)
-  }
-}
-
-GraphPlot.prototype.autosize = function() {
-  try {
-    this.canvas.width = null
-    this.canvas.height = null
-    this.canvas.style.width = null
-    this.canvas.style.height = null
-    var cs = window.getComputedStyle(this.canvas)
-    var width = parseFloat(cs.width)
-    var height = parseFloat(cs.height)
-    this.setSize(width, height)
-    return true
-  } catch (err) {
-    if (typeof console != 'undefined' && console.warn) {
-      console.warn('GraphPlot.autosize failed: ' + err)
-    }
-  }
-  return false
-}
-
-// setOrigin sets the origin of axis x and y
-// The values should be in the range [0-1] and maps to the extremes
-// of the canvas.
-//
-GraphPlot.prototype.setOrigin = function(x, y) {
-  var p = this
-  p.axes.x0 = x
-  p.axes.y0 = y
-}
-
-// setScale sets the value scale for x and y axis.
-// The values should be provided as display points.
-//
-GraphPlot.prototype.setScale = function(x, y) {
-  var p = this
-  if (y === undefined) {
-    y = x
-  }
-  p.axes.scalex = x
-  p.axes.scaley = y
-}
-
-// setSize sets the size of canvas in display points
-//
-GraphPlot.prototype.setSize = function(width, height) {
-  var p = this
-  p.width = width
-  p.height = height
-  const el = p.canvas, g = p.g
-  p.pixelRatio = window.devicePixelRatio || 1
-  if (p.pixelRatio != 1) {
-    el.width = p.widthPx = width * p.pixelRatio
-    el.height = p.heightPx = height * p.pixelRatio
-    g.scale(p.pixelRatio, p.pixelRatio)
-  } else {
-    el.width = p.widthPx = width
-    el.height = p.heightPx = height
-    g.scale(1, 1)
-  }
-  el.style.width = `${width}px`
-  el.style.height = `${height}px`
-}
-
-
-GraphPlot.prototype.renderAxes = function() {
-  var p = this
-    , g = p.g
-    , x0 = Math.round(p.axes.x0 * p.widthPx) / p.pixelRatio
-    , y0 = Math.round(p.axes.y0 * p.heightPx) / p.pixelRatio
-
-  g.beginPath()
-  g.strokeStyle = "rgb(0, 0, 0, 0.2)"
-  if (y0 > 0 && y0 < p.width) {
-    g.moveTo(0, y0); g.lineTo(p.width, y0)  // X axis
-  }
-  if (x0 > 0 && x0 < p.height) {
-    g.moveTo(x0, 0); g.lineTo(x0, p.height)  // Y axis
-  }
-  g.stroke()
-}
-
-
-// plotf plots an arbitrary function on the graph
-//
-GraphPlot.prototype.plotf = function(f, color) {
-  var p = this
-    , g = p.g
-    , w = p.width
-    , h = p.height
-    , x0 = p.axes.x0 * p.width
-    , y0 = p.axes.y0 * p.height
-    , x = 0
-    , y = 0
-    , dx = 4 / p.pixelRatio // smaller means finer curves and more CPU
-    , scalex = p.axes.scalex * w
-    , scaley = p.axes.scaley * h
-    , iMax = Math.round((w - x0) / dx)
-    , iMin = p.axes.negativeX ? Math.round(-x0 / dx) : 0
-
-  g.beginPath()
-  g.lineWidth = 1
-  g.strokeStyle = color || "rgb(0, 0, 0, 0.8)"
-
-  for (var i = iMin; i <= iMax; i++) {
-    x = dx * i
-    y = f(x / scalex) * scaley
-    if (i == iMin) {
-      g.moveTo(x0 + x, y0 - y)
-    } else {
-      g.lineTo(x0 + x, y0 - y)
-    }
-  }
-  
-  g.stroke()
-}
-
-
-// plotLines draws straight lines between a collection of points
-//
-GraphPlot.prototype.plotLine = function(points, color) {
-  var p = this
-    , g = p.g
-    , x0 = p.axes.x0 * p.width
-    , y0 = p.axes.y0 * p.height
-    , x = 0
-    , y = 0
-    , scalex = p.axes.scalex * p.width
-    , scaley = p.axes.scaley * p.height
-    , pt
-
-  g.beginPath()
-  g.lineWidth = 1
-  g.strokeStyle = color || "rgb(0, 0, 0, 0.8)"
-
-  var i = 0
-  for (; i < points.length; i++) {
-    pt = points[i]
-    x = pt[0] * scalex
-    y = pt[1] * scaley
-    if (i == 0) {
-      g.moveTo(x0 + x, y0 - y)
-    } else {
-      g.lineTo(x0 + x, y0 - y)
-    }
-  }
-
-  g.stroke()
-}
-
-
-// plotPoints draws points
-//
-GraphPlot.prototype.plotPoints = function(points, color) {
-  var p = this
-    , g = p.g
-    , x0 = p.axes.x0 * p.width
-    , y0 = p.axes.y0 * p.height
-    , x = 0
-    , y = 0
-    , scalex = p.axes.scalex * p.width
-    , scaley = p.axes.scaley * p.height
-    , pt
-    , i = 0
-
-  g.fillStyle = color || "rgb(0, 0, 0, 0.8)"
-
-  for (; i < points.length; i++) {
-    pt = points[i]
-    x = x0 + pt[0] * scalex
-    y = y0 - pt[1] * scaley
-    g.beginPath()
-    g.arc(x, y, 3, 0, Math.PI + (Math.PI * 2) / 2, false)
-    g.fill()
-  }
-}
-
-
-GraphPlot.prototype.clear = function() {
-  var p = this
-  p.g.clearRect(0, 0, p.width, p.height)
-  p.renderAxes()
-}
-
-
-GraphPlot.prototype.renderDemo = function() {
-  var p = this
-    , g = p.g
-    , dpscale = p.pixelRatio
-    , w = p.widthPx
-    , h = p.heightPx
-
-  p.clear()
-
-  p.plotf(
-    function(x) { return Math.sin(x) },
-    'blue'
-  )
-
-  p.plotf(
-    function(x) { return Math.cos(3*x) },
-    'hotpink'
-  )
-
-  // var scale = p.height / 4
-  // g.moveTo(0, scale)
-  // var i, sine, lines = 200, frag = p.width / lines
-  // for (i = 0; i < lines; i++) {
-  //   sine = Math.sin(i / scale * 2) * scale
-  //   g.lineTo(i * frag, -sine + scale)
-  // }
-  // g.stroke()
-}