Function addItem

stackgl_modules/index.js:13000–13036

(t, text, font, size, lineSpacing, styletags)

  var data = []

  function addItem(t, text, font, size, lineSpacing, styletags) {
    var fontKey = [
      font.style,
      font.weight,
      font.variant,
      font.family
    ].join('_')

    var fontcache = __TEXT_CACHE[fontKey]
    if(!fontcache) {
      fontcache = __TEXT_CACHE[fontKey] = {}
    }
    var mesh = fontcache[text]
    if(!mesh) {
      mesh = fontcache[text] = tryVectorizeText(text, {
        triangles: true,
        font: font.family,
        fontStyle: font.style,
        fontWeight: font.weight,
        fontVariant: font.variant,
        textAlign: 'center',
        textBaseline: 'middle',
        lineSpacing: lineSpacing,
        styletags: styletags
      })
    }
    var scale = (size || 12) / 12
    var positions = mesh.positions
    var cells = mesh.cells
    for(var i=0, nc=cells.length; i<nc; ++i) {
      var c = cells[i]
      for(var j=2; j>=0; --j) {
        var p = positions[c[j]]
        data.push(scale*p[0], -scale*p[1], t)
      }
    }
  }

  //Generate sprites for all 3 axes, store data in texture atlases
  var tickOffset  = [0,0,0]