made line/marker colors arguments to pg_plot_style; added LINE_STYLES and LINE_STYLE_CYCLE

grum/theme.py

@@ -90,17 +90,17 @@ def apply_pg():
     pg.setConfigOption("background", GREY0)
 
 
-def pg_plot_style():
+def pg_plot_style(line_color=DOT_PEN, marker_stroke_color=DOT_PEN, marker_fill_color=DOT_BRUSH):
     pen = pg.mkPen(
-        DOT_PEN,
+        line_color,
         width=3
     )
 
     style = dict(
         pen=pen,
         symbol="o",
-        symbolPen=DOT_PEN,
-        symbolBrush=DOT_BRUSH,
+        symbolPen=marker_stroke_color,
+        symbolBrush=marker_fill_color,
         symbolSize=DOT_SIZE
     )
 
@@ -108,3 +108,11 @@ def pg_plot_style():
 
 
 
+from itertools import cycle
+
+
+LINE_STYLES = (pg_plot_style(line_color=c, marker_fill_color=c) for c in LINE_COLORS)
+LINE_STYLE_CYCLE = cycle(LINE_STYLES)
+
+
+