JezK
Edit File: color.rb
# frozen_string_literal: true # Licensed to the Software Freedom Conservancy (SFC) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The SFC licenses this file # to you under the Apache License, Version 2.0 (the # "License"); you may not use this file except in compliance # with the License. You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, # software distributed under the License is distributed on an # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY # KIND, either express or implied. See the License for the # specific language governing permissions and limitations # under the License. module Selenium module WebDriver module Support class Color RGB_PATTERN = %r{^\s*rgb\(\s*(\d{1,3})\s*, \s*(\d{1,3})\s*, \s*(\d{1,3})\s*\)\s*$}x.freeze RGB_PCT_PATTERN = %r{^\s*rgb\(\s*(\d{1,3}|\d{1,2}\.\d+)%\s*, \s*(\d{1,3}|\d{1,2}\.\d+)%\s*, \s*(\d{1,3}|\d{1,2}\.\d+)%\s*\)\s*$}x.freeze RGBA_PATTERN = %r{^\s*rgba\(\s*(\d{1,3})\s*, \s*(\d{1,3})\s*, \s*(\d{1,3})\s*, \s*(0|1|0\.\d+)\s*\)\s*$}x.freeze RGBA_PCT_PATTERN = %r{^\s*rgba\(\s*(\d{1,3}|\d{1,2}\.\d+) %\s*,\s*(\d{1,3}|\d{1,2}\.\d+) %\s*,\s*(\d{1,3}|\d{1,2}\.\d+) %\s*,\s*(0|1|0\.\d+)\s*\)\s*$}x.freeze HEX_PATTERN = /#(\h{2})(\h{2})(\h{2})/.freeze HEX3_PATTERN = /#(\h)(\h)(\h)/.freeze HSL_PATTERN = %r{^\s*hsl\(\s*(\d{1,3})\s*, \s*(\d{1,3})%\s*, \s*(\d{1,3})%\s*\)\s*$}x.freeze HSLA_PATTERN = %r{^\s*hsla\(\s*(\d{1,3})\s*, \s*(\d{1,3})%\s*, \s*(\d{1,3})%\s*, \s*(0|1|0\.\d+)\s*\)\s*$}x.freeze attr_reader :red, :green, :blue, :alpha def self.from_string(str) case str when RGB_PATTERN new Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3) when RGB_PCT_PATTERN array = [Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3)] new(*array.map { |e| Float(e) / 100 * 255 }) when RGBA_PATTERN new Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3), Regexp.last_match(4) when RGBA_PCT_PATTERN array = [Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3)] new(*array.map { |e| Float(e) / 100 * 255 } << Regexp.last_match(4)) when HEX_PATTERN array = [Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3)] new(*array.map { |e| e.to_i(16) }) when HEX3_PATTERN array = [Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3)] new(*array.map { |e| (e * 2).to_i(16) }) when HSL_PATTERN, HSLA_PATTERN from_hsl(Regexp.last_match(1), Regexp.last_match(2), Regexp.last_match(3), Regexp.last_match(4)) else raise ArgumentError, "could not convert #{str.inspect} into color" end end def self.from_hsl(h, s, l, a) # rubocop:disable Naming/MethodParameterName h = Float(h) / 360 s = Float(s) / 100 l = Float(l) / 100 a = Float(a || 1) if s.zero? r = l g = r b = r else luminocity2 = l < 0.5 ? l * (1 + s) : l + s - (l * s) luminocity1 = (2 * l) - luminocity2 r = hue_to_rgb(luminocity1, luminocity2, h + (1.0 / 3.0)) g = hue_to_rgb(luminocity1, luminocity2, h) b = hue_to_rgb(luminocity1, luminocity2, h - (1.0 / 3.0)) end new (r * 255).round, (g * 255).round, (b * 255).round, a end def self.hue_to_rgb(lum1, lum2, hue) hue += 1 if hue < 0.0 hue -= 1 if hue > 1.0 if hue < 1.0 / 6.0 (lum1 + ((lum2 - lum1) * 6.0 * hue)) elsif hue < 1.0 / 2.0 lum2 elsif hue < 2.0 / 3.0 lum1 + ((lum2 - lum1) * ((2.0 / 3.0) - hue) * 6.0) else lum1 end end def initialize(red, green, blue, alpha = 1) @red = Integer(red) @green = Integer(green) @blue = Integer(blue) @alpha = Float(alpha) end def ==(other) return true if equal?(other) return false unless other.is_a?(self.class) [red, green, blue, alpha] == [other.red, other.green, other.blue, other.alpha] end alias_method :eql?, :== def hash [red, green, blue, alpha, self.class].hash end def rgb "rgb(#{red}, #{green}, #{blue})" end def rgba a = alpha == 1 ? '1' : alpha "rgba(#{red}, #{green}, #{blue}, #{a})" end def hex format '#%<red>02x%<green>02x%<blue>02x', red: red, green: green, blue: blue end end # Color end # Support end # WebDriver end # Selenium