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extract-colors.py
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extract-colors.py
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#!/usr/bin/python3
#
# Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
import matplotlib.cm
import argparse
import sys
parser = argparse.ArgumentParser()
parser.add_argument('--steps', type=int, default=10)
parser.add_argument('--colormap', default='coolwarm')
args = parser.parse_args()
cmap = matplotlib.cm.get_cmap(args.colormap)
n = args.steps
for step in range(n + 1):
point = step / float(n)
rgb = tuple([int(round(c * 255)) for c in cmap(point)[0:3]])
hex = '#%02x%02x%02x' % rgb
print("var step" + str(step) + "Color" + " = java.awt.Color.decode(\"" + \
hex + "\");")