line-widths

Arguments: line-drawing-view

Returns the value of the line-widths property of a line-drawing-view. The value may be set at creation time by passing the line-widths initarg, or any time later by calling (setf line-widths).

The line thicknesses (see line-width) that are used to draw the graph lines on a line-drawing-view in a chart-or-plot. The value should be a sequence (list or vector) of positive integers. The default value is a list of the number 2.

If the value is nil, then all lines are drawn with a width of 1. Otherwise, the first object in the chart-or-plot's sequence of chart-objects is drawn with the first line-width, the second object with the second width, and so on. If there are fewer line widths in the list than there are chart-objects, then the drawing code will cycle back through the list of widths as needed.

This property is used only when the draw-lines property is true.

See plot-widget, chart-widget and also cg-chart-widget.htm.

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Created 2019.8.20.