Function getPatternSize

_benchmarks/sample_echarts.js:27248–27294

* Get minumum length that can make a repeatable pattern. * * @return {Object} pattern width and height

()

         */

        function getPatternSize() {
          /**
           * For example, if dash is [[3, 2], [2, 1]] for X, it looks like
           * |---  ---  ---  ---  --- ...
           * |-- -- -- -- -- -- -- -- ...
           * |---  ---  ---  ---  --- ...
           * |-- -- -- -- -- -- -- -- ...
           * So the minumum length of X is 15,
           * which is the least common multiple of `3 + 2` and `2 + 1`
           * |---  ---  ---  |---  --- ...
           * |-- -- -- -- -- |-- -- -- ...
           */
          var width = 1;

          for (var i = 0, xlen = lineBlockLengthsX.length; i < xlen; ++i) {
            width = getLeastCommonMultiple(width, lineBlockLengthsX[i]);
          }

          var symbolRepeats = 1;

          for (var i = 0, xlen = symbolArray.length; i < xlen; ++i) {
            symbolRepeats = getLeastCommonMultiple(symbolRepeats, symbolArray[i].length);
          }

          width *= symbolRepeats;
          var height = lineBlockLengthY * lineBlockLengthsX.length * symbolArray.length;

          if ("development" !== 'production') {
            var warn = function (attrName) {
              /* eslint-disable-next-line */
              console.warn("Calculated decal size is greater than " + attrName + " due to decal option settings so " + attrName + " is used for the decal size. Please consider changing the decal option to make a smaller decal or set " + attrName + " to be larger to avoid incontinuity.");
            };

            if (width > decalOpt.maxTileWidth) {
              warn('maxTileWidth');
            }

            if (height > decalOpt.maxTileHeight) {
              warn('maxTileHeight');
            }
          }

          return {
            width: Math.max(1, Math.min(width, decalOpt.maxTileWidth)),
            height: Math.max(1, Math.min(height, decalOpt.maxTileHeight))
          };
        }

        function brushDecal() {
          if (ctx) {