contextPrototype.stroke = function()

in lnt/server/ui/static/flot/excanvas.js [876:972]
77 lines of code
21 McCabe index (conditional complexity)

  contextPrototype.stroke = function(aFill) {
    var W = 10;
    var H = 10;
    // Divide the shape into chunks if it's too long because IE has a limit
    // somewhere for how long a VML shape can be. This simple division does
    // not work with fills, only strokes, unfortunately.
    var chunkSize = 5000;

    var min = {x: null, y: null};
    var max = {x: null, y: null};

    for (var j = 0; j < this.currentPath_.length; j += chunkSize) {
      var lineStr = [];
      var lineOpen = false;

      lineStr.push('<g_vml_:shape',
                   ' filled="', !!aFill, '"',
                   ' style="position:absolute;width:', W, 'px;height:', H, 'px;"',
                   ' coordorigin="0,0"',
                   ' coordsize="', Z * W, ',', Z * H, '"',
                   ' stroked="', !aFill, '"',
                   ' path="');

      var newSeq = false;

      for (var i = j; i < Math.min(j + chunkSize, this.currentPath_.length); i++) {
        if (i % chunkSize == 0 && i > 0) { // move into position for next chunk
          lineStr.push(' m ', mr(this.currentPath_[i-1].x), ',', mr(this.currentPath_[i-1].y));
        }

        var p = this.currentPath_[i];
        var c;

        switch (p.type) {
          case 'moveTo':
            c = p;
            lineStr.push(' m ', mr(p.x), ',', mr(p.y));
            break;
          case 'lineTo':
            lineStr.push(' l ', mr(p.x), ',', mr(p.y));
            break;
          case 'close':
            lineStr.push(' x ');
            p = null;
            break;
          case 'bezierCurveTo':
            lineStr.push(' c ',
                         mr(p.cp1x), ',', mr(p.cp1y), ',',
                         mr(p.cp2x), ',', mr(p.cp2y), ',',
                         mr(p.x), ',', mr(p.y));
            break;
          case 'at':
          case 'wa':
            lineStr.push(' ', p.type, ' ',
                         mr(p.x - this.arcScaleX_ * p.radius), ',',
                         mr(p.y - this.arcScaleY_ * p.radius), ' ',
                         mr(p.x + this.arcScaleX_ * p.radius), ',',
                         mr(p.y + this.arcScaleY_ * p.radius), ' ',
                         mr(p.xStart), ',', mr(p.yStart), ' ',
                         mr(p.xEnd), ',', mr(p.yEnd));
            break;
        }
  
  
        // TODO: Following is broken for curves due to
        //       move to proper paths.
  
        // Figure out dimensions so we can do gradient fills
        // properly
        if (p) {
          if (min.x == null || p.x < min.x) {
            min.x = p.x;
          }
          if (max.x == null || p.x > max.x) {
            max.x = p.x;
          }
          if (min.y == null || p.y < min.y) {
            min.y = p.y;
          }
          if (max.y == null || p.y > max.y) {
            max.y = p.y;
          }
        }
      }
      lineStr.push(' ">');
  
      if (!aFill) {
        appendStroke(this, lineStr);
      } else {
        appendFill(this, lineStr, min, max);
      }
  
      lineStr.push('</g_vml_:shape>');
  
      this.element_.insertAdjacentHTML('beforeEnd', lineStr.join(''));
    }
  };