Function getLayoutRect

_benchmarks/sample_echarts.js:16787–16883

* Parse position info.

(positionInfo, containerRect, margin)

     */

    function getLayoutRect(positionInfo, containerRect, margin) {
      margin = normalizeCssArray$1(margin || 0);
      var containerWidth = containerRect.width;
      var containerHeight = containerRect.height;
      var left = parsePercent$1(positionInfo.left, containerWidth);
      var top = parsePercent$1(positionInfo.top, containerHeight);
      var right = parsePercent$1(positionInfo.right, containerWidth);
      var bottom = parsePercent$1(positionInfo.bottom, containerHeight);
      var width = parsePercent$1(positionInfo.width, containerWidth);
      var height = parsePercent$1(positionInfo.height, containerHeight);
      var verticalMargin = margin[2] + margin[0];
      var horizontalMargin = margin[1] + margin[3];
      var aspect = positionInfo.aspect; // If width is not specified, calculate width from left and right

      if (isNaN(width)) {
        width = containerWidth - right - horizontalMargin - left;
      }

      if (isNaN(height)) {
        height = containerHeight - bottom - verticalMargin - top;
      }

      if (aspect != null) {
        // If width and height are not given
        // 1. Graph should not exceeds the container
        // 2. Aspect must be keeped
        // 3. Graph should take the space as more as possible
        // FIXME
        // Margin is not considered, because there is no case that both
        // using margin and aspect so far.
        if (isNaN(width) && isNaN(height)) {
          if (aspect > containerWidth / containerHeight) {
            width = containerWidth * 0.8;
          } else {
            height = containerHeight * 0.8;
          }
        } // Calculate width or height with given aspect


        if (isNaN(width)) {
          width = aspect * height;
        }

        if (isNaN(height)) {
          height = width / aspect;
        }
      } // If left is not specified, calculate left from right and width


      if (isNaN(left)) {
        left = containerWidth - right - width - horizontalMargin;
      }

      if (isNaN(top)) {
        top = containerHeight - bottom - height - verticalMargin;
      } // Align left and top