import os
from os.path import dirname

import copy

import matplotlib.pyplot as plt
import matplotlib.patches as patches



os.chdir(dirname(__file__))
print(f"Changed WD to PyFile-root \"{os.getcwd()}\"")


Color1 = "#1776D4"
Color2 = "#E27A12"

fig, axL = plt.subplots(nrows=1, ncols=1)
axR = axL.twinx()

plt.show(block=False)


arrowUpBG = patches.FancyArrowPatch(
    posA=(0.500, 0.535),        # Startpoint Arrow  (0..1)
    posB=(0.560, 0.560),        # Endpoint Base     (0..1)
    transform=fig.transFigure,  # Coordinate system of figure
    arrowstyle='fancy',
    color=Color1,
    linewidth=10,
    mutation_scale=30
)

# NOTE: Copies have to be made before first draw! Otherwise figure gets cloned too!
arrowUpFG = copy.deepcopy(arrowUpBG)
arrowUpFG.set_color(Color2)
arrowUpFG.set_linewidth(1)

arrowDownBG = copy.deepcopy(arrowUpBG)
arrowDownFG = copy.deepcopy(arrowUpFG)
arrowDownBG.set_positions(posA=(0.590, 0.745),   # Startpoint Arrow  (0..1)
                          posB=(0.535, 0.690),   # Endpoint Base     (0..1)
                          )
arrowDownFG.set_positions(posA=(0.590, 0.745),
                          posB=(0.535, 0.690),
                          )

# NOTE: Draw is here (together, copies have to be made beforehand, as otherwise savefig gets cloned too!)
fig.add_artist(arrowUpBG)
fig.add_artist(arrowUpFG)

fig.add_artist(arrowDownBG)
fig.add_artist(arrowDownFG)



fig.savefig("./FancyIssue - SVG.svg")
fig.savefig("./FancyIssue - Std dpi.png")
fig.savefig("./FancyIssue - 200 dpi.png", dpi=200)
fig.savefig("./FancyIssue - 300 dpi.png", dpi=300)
fig.savefig("./FancyIssue - 600 dpi.png", dpi=600)

print("EOS")