public/libraries.js
function StackItem(axis, options, isNegative, x, stackOption) {

        var inverted = axis.chart.inverted;

        this.axis = axis;

        // Tells if the stack is negative
        this.isNegative = isNegative;

        // Save the options to be able to style the label
        this.options = options;

        // Save the x value to be able to position the label later
        this.x = x;

        // Initialize total value
        this.total = null;

        // This will keep each points' extremes stored by series.index and point index
        this.points = {};

        // Save the stack option on the series configuration object, and whether to treat it as percent
        this.stack = stackOption;

        // The align options and text align varies on whether the stack is negative and
        // if the chart is inverted or not.
        // First test the user supplied value, then use the dynamic.
        this.alignOptions = {
            align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
            verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
            y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
            x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
        };

        this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
    }
function StackItem(axis, options, isNegative, x, stackOption) {

        var inverted = axis.chart.inverted;

        this.axis = axis;

        // Tells if the stack is negative
        this.isNegative = isNegative;

        // Save the options to be able to style the label
        this.options = options;

        // Save the x value to be able to position the label later
        this.x = x;

        // Initialize total value
        this.total = null;

        // This will keep each points' extremes stored by series.index and point index
        this.points = {};

        // Save the stack option on the series configuration object, and whether to treat it as percent
        this.stack = stackOption;

        // The align options and text align varies on whether the stack is negative and
        // if the chart is inverted or not.
        // First test the user supplied value, then use the dynamic.
        this.alignOptions = {
            align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
            verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
            y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
            x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
        };

        this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
    }
function StackItem ( axis , options , isNegative , x , stackOption ) { var inverted = axis . chart . inverted ; this . axis = axis ; // Tells if the stack is negative this . isNegative = isNegative ; // Save the options to be able to style the label this . options = options ; // Save the x value to be able to position the label later this . x = x ; // Initialize total value this . total = null ; // This will keep each points' extremes stored by series.index and point index this . points = { } ; // Save the stack option on the series configuration object, and whether to treat it as percent this . stack = stackOption ; // The align options and text align varies on whether the stack is negative and // if the chart is inverted or not. // First test the user supplied value, then use the dynamic. this . alignOptions = { align : options . align || ( inverted ? ( isNegative ? 'left' : 'right' ) : 'center' ) , verticalAlign : options . verticalAlign || ( inverted ? 'middle' : ( isNegative ? 'bottom' : 'top' ) ) , y : pick ( options . y , inverted ? 4 : ( isNegative ? 14 : - 6 ) ) , x : pick ( options . x , inverted ? ( isNegative ? - 6 : 6 ) : 0 ) } ; this . textAlign = options . textAlign || ( inverted ? ( isNegative ? 'right' : 'left' ) : 'center' ) ; }
end Series prototype 
The class for stack items
end Series prototype The class for stack items