HorizontalLegendLayout Class
Contains methods for displaying items horizontally in a legend.
Item Index
Methods
_positionLegendItems
    
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                        items
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                        maxWidth
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                        maxHeight
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                        totalWidth
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                        totalHeight
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                        padding
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                        horizontalGap
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                        verticalGap
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                        hAlign
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                        vAlign
Displays items horizontally in a legend.
Parameters:
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                        itemsArrayArray of items to display in the legend. 
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                        maxWidthNumberThe width of the largest item in the legend. 
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                        maxHeightNumberThe height of the largest item in the legend. 
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                        totalWidthNumberThe total width of all items in a legend. 
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                        totalHeightNumberThe total height of all items in a legend. 
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                        paddingNumberThe left, top, right and bottom padding properties for the legend. 
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                        horizontalGapNumberThe horizontal distance between items in a legend. 
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                        verticalGapNumberThe vertical distance between items in a legend. 
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                        hAlignStringThe horizontal alignment of the legend. 
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                        vAlignStringThe vertical alignment of the legend. 
_setRowArrays
    
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                        items
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                        limit
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                        horizontalGap
Creates row and total width arrays used for displaying multiple rows of legend items based on the items, available width and horizontalGap for the legend.
getStartPoint
    
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                        w
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                        totalWidth
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                        align
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                        padding
Returns the starting x-coordinate for a row of legend items.
