line_color

color to use to stroke lines with

line_width

line stroke width in units of pixels

line_alpha

floating point between 0 (transparent) and 1 (opaque)

line_join

how path segments should be joined together

• 'miter'

• 'round'

• 'bevel'

line_cap

how path segments should be terminated

• 'butt'

• 'round'

• 'square'

line_dash

a line style to use

• 'solid'

• 'dashed'

• 'dotted'

• 'dotdash'

• 'dashdot'

• an array of integer pixel distances that describe the on-off pattern of dashing to use

• a string of spaced integers matching the regular expression '^(\\d+(\\s+\\d+)*)?$' that describe the on-off pattern of dashing to use

line_dash_offset

the distance in pixels into the line_dash that the pattern should start from