Make curly braces always single-colored

curlyBrace.py

@@ -478,7 +478,8 @@ def curlyBrace(fig, ax, p1, p2, k_r=0.1, bool_auto=True, str_text='', int_line_n
         pass
 
     # plot arcs
-    ax.plot(arc1x, arc1y, **kwargs)
+    l, = ax.plot(arc1x, arc1y, **kwargs)
+    kwargs["color"] = l.get_color()
     ax.plot(arc2x, arc2y, **kwargs)
     ax.plot(arc3x, arc3y, **kwargs)
     ax.plot(arc4x, arc4y, **kwargs)

exp_color.py

@@ -0,0 +1,27 @@
+"""Simple example of curlyBrace with automatic colors.
+
+Author: Markus Reinert
+Last Modified: 2022-03-23
+"""
+
+import matplotlib.pyplot as plt
+
+from curlyBrace import curlyBrace
+
+
+save_figure = False
+
+
+fig, ax = plt.subplots()
+ax.set_ylim(2, 12)
+ax.set_xlim(-1, 1)
+for i in range(12):
+    # The color of the curlyBrace is not given explicitly,
+    # but determined automatically by matplotlib's color rotation
+    curlyBrace(fig, ax, (-1, i), (1, i))
+
+if save_figure:
+    import os
+    fig.savefig(os.path.basename(__file__).replace(".py", ".png"))
+
+plt.show()