Determines how lines are drawn.
GDK_LINE_SOLID
lines are drawn solid.
GDK_LINE_ON_OFF_DASH
even segments are drawn; odd segments are not drawn.
GDK_LINE_DOUBLE_DASH
even segments are normally. Odd segments are drawn
in the background color if the fill style is GDK_SOLID, or in the background
color masked by the stipple if the fill style is GDK_STIPPLED.
Determines how lines are drawn. GDK_LINE_SOLID lines are drawn solid. GDK_LINE_ON_OFF_DASH even segments are drawn; odd segments are not drawn. GDK_LINE_DOUBLE_DASH even segments are normally. Odd segments are drawn in the background color if the fill style is GDK_SOLID, or in the background color masked by the stipple if the fill style is GDK_STIPPLED.