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← README • RubyGems

History

0.19.0 (7 August 2024)

GitHub • RubyGems • Documentation

  • RGB::Color class:
    • Added #yuv method.
  • A few small improvements under the hood.

0.18.0 (22 December 2022)

GitHub • RubyGems • Documentation

Adds the ability to generate HSL, HSB and HSV based gradients:

  • RGB::Color class:
    • Added #steps_hsl method.
    • Added #steps_hsv method and #steps_hsb alias.

Other changes:

  • RGB module:
    • New 'wilhelm' inspect style.

0.17.0 (18 July 2022)

GitHub • RubyGems • Documentation

Introduces the ability to create and change colors using CIE 1931 XYZ values.

  • RGB module:
    • cie_xyz factory method and xyz alias.
  • RGB::Color class:
    • cie_xyz factory method and xyz alias.
    • #cie_xyz= method and #xyz= alias.

Other changes:

  • RGB::Color class:
    • #cie_xyy now accepts an optional round: argument.
    • #cie_xy now accepts an optional round: argument.
  • Touched up documentation.

0.16.0 (9 June 2022)

GitHub • RubyGems • Documentation

This version is a drop-in replacement for version 0.15.0, with no new functionality.

  • Some internal changes were made:
    • The RGB class is now the RGB::Color class.
    • RGB is now a module.

0.15.0 (10 November 2021)

GitHub • RubyGems • Documentation

  • Core RGB class:
    • CIE 1994 processing:
      • Added #delta_e_cie_1994 method and #de94 alias.
      • Added #de94g and #de94t shortcut methods.
    • Color matching methods:
      • Added #match_de94 method.
      • Added #match_de94g and #match_de94t shortcut methods.
    • #view accepts an RGB object as an optional argument, for visual comparison of colors.
    • Added #web_safe? method.

0.14.0 (3 May 2021)

GitHub • RubyGems • Documentation

  • Core RGB class:
    • Added #css_names method.
    • Added #hwb method.
    • Support for working with Web Content Accessibility Guidelines 2.0:
      • Added #wcag20_luminance method.
      • Added #wcag20_contrast_ratio method.
    • Added ::gpl_header method.
    • The #ostwald_cwk method now rounds results to a precision of 8 decimal places. This fixes rare inaccuracies.

0.13.0 (9 November 2020)

GitHub • RubyGems • Documentation

  • General:
    • Minor code optimisations.
  • Core RGB class:
    • Color matching methods:
      • Added #match_de76 method.
      • Added #match_distance method.
    • Added ::corners method.
    • Added ::centre method and ::center alias.
    • Added #applescript method.

0.12.0 (8 September 2020)

GitHub • RubyGems • Documentation

  • Core RGB class:
    • Added #view method, #v alias, and 'view' inspect style.
    • CIE 1976 processing:
      • Added #cie_lab method and #lab alias.
      • Added #cie_lch_ab method.
      • Added #cie_luv method and #luv alias.
      • Added #cie_lch_uv method.
      • Added #delta_e_cie_1976 method and #de76 alias.
    • Added #distance method.
    • RGB colors can now have a name attribute:
      • Added #name and #name= methods.
      • Added colorised 'name' inspect style.
      • 'default' and 'simple' inspect styles include name.
      • #gpl method picks up name attribute.
    • Added 148 named CSS colors, accessible by color or by name:
      • Added ::css method.
    • Added ability to create color objects from GIMP .gpl palettes:
      • Added ::gpl method.
      • Added ::load_gpl method.
    • #inspect now prefixes hexadecimal notation with ~ (tilde) when the exact color can not be represented within 24-bits, and hexadecimal notation represents the nearest 24-bit color instead.
    • Improved #cie_xyz and #cie_xyy methods to produce results with a precision of 8 decimal places (formerly 6).
    • Fixed a bug where calling #color_space, #linear_values, or any of the #cie methods on a frozen RGB object might raise an exception.

0.11.0 (23 June 2020)

GitHub • RubyGems • Documentation

  • General:
    • Polished documentation.
  • Core RGB class:
    • Added #ostwald_color method.
    • Added #ostwald_cwk method and #cwk alias.
    • Added #achromatic? method.
    • Added #gpl method.
    • Added #snap! and #snap methods.
    • #whiten and #blacken now accept more than one argument, e.g. RGB.red.whiten(0.2, 0.5, 0.8) will return three RGB objects.
    • If a REDGREENBLUE_STYLE environment variable is set, redgreenblue will use it to set the inspect style.

0.10.0 (16 April 2020)

GitHub • RubyGems • Documentation

  • Core RGB class:
    • Added #hsl_h, #hsl_s, and #hsl_l methods.
    • You can now create and alter RGB colors using HSL:
      • Added ::hsl factory method.
      • Added #hsl= method.
      • Added #hsl_h=, #hsl_s=, and #hsl_l= methods.
      • Added #hsl_rotate! method.
      • Added #hsl_rotate method.
      • Added ::hsl_to_values helper method.
    • Added #hsv_h, #hsv_s, and #hsv_v methods, and #hsb_h, #hsb_s, and #hsb_b aliases.
    • You can now create and alter RGB colors using HSV and HSB:
      • Added ::hsv factory method and ::hsb alias.
      • Added #hsv= method and #hsb= alias.
      • Added #hsv_h=, #hsv_s=, and #hsv_v= methods, and #hsb_h=, #hsb_s=, and #hsb_b= aliases.
      • Added hsv_rotate! method and hsb_rotate! alias.
      • Added hsv_rotate method and hsb_rotate alias.
      • Added ::hsv_to_values helper method.
    • Fixed precision of hue returned by #hsl, #hsv, and #hsb methods.
    • Removed #rgb565_binary method (deprecated in 0.9.0).

0.9.0 (2 March 2020)

GitHub • RubyGems • Documentation

  • General:
    • Tweaked documentation.
  • Core RGB class:
    • Added #linear_values and #linear_values= methods.
    • Added #steps method.
    • Added #to_i method.
    • Added ::at factory method.
    • Added ::assemble factory method.
    • Added ::yellow, ::cyan, and ::magenta factory methods.
    • Added colorised 'short' inspect style.
    • Added ::version method.
    • Deprecated #rgb565_binary method. It will be removed in a future version.

0.8.0 (20 December 2019)

GitHub • RubyGems • Documentation

  • General:
    • Improved documentation.
  • Core RGB class:
    • Added the ability to choose among four inspect styles:
      • Added ::styles, ::style, and ::style= methods.
      • Added 'default' and 'hex' inspect styles.
      • Added 'simple' and 'swatch' colorised inspect styles.
      • Depending on the COLORTERM environment variable, the initial style is 'simple' (COLORTERM=='truecolor'), or 'default'.
      • Note: colorised styles require a terminal that supports 24-bit colors, so-called "true color".
    • Added methods to calculate CIE 1931 XYZ and xyY coordinates:
      • Added #cie_xyz method and #xyz alias.
      • Added #cie_xyy method and #xyy alias.
      • Added #cie_xy method and #xy alias.
    • Added #color_space method.
    • Added #components method.
    • Added #permutation method.
    • Added #shuffle method.
    • Added #css_hex method.
    • #whiten!, #whiten, #blacken!, and #blacken now default to mixing with a 50% portion of white or black when called without an argument.
    • Added #terminal_foreground and #terminal_background methods.
    • Added ::each_24bit_color iterator.
    • ::hex and #hex= methods now raise an ArgumentError when fed an invalid hexadecimal string.
    • Added ::hex_to_rgb method.
  • Platform specific:
    • Mac OS only:
      • The color picker now works correctly when you are using iTerm2 (::pick and #pick methods no longer activate Terminal.app).

0.7.0 (11 November 2019)

GitHub • RubyGems • Documentation

  • General:
    • Improved documentation.
  • Core RGB class:
    • Added == equality operator.
    • Added ::red, ::green, and ::blue factory methods.
    • Added #to_s method.
    • Added #hsv method and #hsb alias.
    • Added #hsl method.
    • Added #to_h method.
    • Added ::grey factory method and ::gray alias.
    • RGB triplets can now either be passed as an array (as before), or as three values. For example, you can now do RGB.new(0,1,0) instead of RGB.new([0,1,0]). This applies to:
      • ::new, ::rgb and ::rrggbb factory methods.
      • #values=, #rgb= and #rrggbb= instance methods.
  • Optional components:
    • Added optional support for Philips Hue lights. You can enable this with require 'redgreenblue/opt/philipshue'.
      • Added #to_philips_hue_api_hsb_arguments method.
  • Platform specific:
    • Mac OS only:
      • ::pick now optionally takes a default color for the color picker.

0.6.0 (24 July 2019)

GitHub • RubyGems • Documentation

  • First release as a Gem.

0.0.0 (3 June 2019)

  • Birth of redgreenblue.