HEX color handling as an extension for UIColor

Thi Doãn

Last update: Dec 22, 2022

Related tags

Color SwiftHEXColors

Overview

SwiftHEXColors

HEX color handling as an extension for UIColor. Written in Swift.

Examples

iOS

// With hash
let color: UIColor = UIColor(hexString: "#ff8942")

// Without hash, with alpha
let secondColor: UIColor = UIColor(hexString: "ff8942", alpha: 0.5)

// Short handling
let shortColorWithHex: UIColor = UIColor(hexString: "fff")

For those who don't want to type the double quotation, you can init a color from a real hex value (an Int)

// With hash
let color: UIColor = UIColor(hex: 0xff8942)

// Without hash, with alpha
let secondColor: UIColor = UIColor(hex: 0xff8942, alpha: 0.5)

OSX

// With hash
let color: NSColor = NSColor(hexString: "#ff8942")

// Without hash, with alpha
let secondColor: NSColor = NSColor(hexString: "ff8942", alpha: 0.5)

// Short handling
let shortColorWithHex: NSColor = NSColor(hexString: "fff")

// From a real hex value (an `Int`)
// With hash
let color: NSColor = NSColor(hex: 0xff8942)

// Without hash, with alpha
let secondColor: NSColor = NSColor(hex: 0xff8942, alpha: 0.5)

Installation

Swift Package Manager

Add this as a dependency in your Package.swift:

import PackageDescription

let package = Package(
    name: "MyPackage",
        dependencies: [
        // Other dependencies
	.package(url: "https://github.com/thii/SwiftHEXColors.git", from: "1.3.1")
    ]
)

CocoaPods

To integrate SwiftHEXColors into your Xcode project using CocoaPods, specify it in your Podfile:

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '8.0'
use_frameworks!

pod 'SwiftHEXColors'

Then, run the following command:

$ pod install

And add import SwiftHEXColors to the top of the files using SwiftHEXColors.

Carthage

Carthage is a decentralized dependency manager that builds your dependencies and provides you with binary frameworks.

You can install Carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

To integrate SwiftHEXColors into your Xcode project using Carthage, specify it in your Cartfile:

github "thii/SwiftHEXColors"

Run carthage update to build the framework and drag the built SwiftHEXColors.framework into your Xcode project.

Manually

Drag and drop SwiftHEXColors.swift file into your project

Requirements

Swift 3
iOS 8.0 or above.

License

MIT

Comments

Added support for 8-digit and 4-digit hex colors

Hi @thii! Long time no see, I hope you're doing well during this crisis.

I'm working on something using your library and I realized that I needed support for 8-digit and 4-digit hex colors, so I went ahead and added that in. I figured I would make a PR in case it's useful to the project. If it's the direction you want to take the project in, feel free to merge and adjust this PR to your liking.

Spec: https://drafts.csswg.org/css-color/#hex-notation Browser support: https://caniuse.com/#feat=css-rrggbbaa Examples: https://css-tricks.com/8-digit-hex-codes/

Since the alpha is provided in the hex value, there is no need for the alpha parameter. However, to keep API compatibility, if the user provides the alpha parameter it will take precedence over the hex value. I added the tests to make sure of that.

opened by inket 3
Set `CURRENT_PROJECT_VERSION` to 1

The CURRENT_PROJECT_VERSION key was missing in the project. I added this and set it to 1. After compiling the framework and opening the plist the CFBundleVersion is now found and appstore submission works again. We should consider proper automatic versioning.

opened by Cedrick84 3
CFBundleVersion version missing

CFBundleVersion is missing after building the latest version using carthage.

"This bundle SwiftHEXColors.framework is invalid. The Info.plist file is missing the required key: CFBundleVersion. Please find more information about CFBundleVersion at https://developer.apple.com/documentation/bundleresources/information_property_list/cfbundleversion"

bug help wanted

opened by Cedrick84 3
Can return nil?

Documentation says usage is like: let color: UIColor = UIColor(hexString: "#ff8942")

But how can this work if the function can return nil? Must be let color: UIColor? = ... then?

opened by MickL 3
Swift 4.2

Hey there,

are you guys going to create a new version and add it to the pod spec to reflect the new Swift 4.2. version changes?

Not that big of a deal, but it would kill the SWIFT4.2. warning without having to set the swift version manually in the pod file.

Cheers, Evangelos

opened by 3vangelos 2

Cant install using Carthage on Sierra/XCode 8.0

I get the following output when trying to install using Carthage for platform iOS:

*** Building scheme "SwiftHEXColors" in SwiftHEXColors.xcodeproj
** CLEAN FAILED **


The following build commands failed:
    Check dependencies
(1 failure)
** BUILD FAILED **


The following build commands failed:
    Check dependencies
(1 failure)
A shell task failed with exit code 65:
** CLEAN FAILED **


The following build commands failed:
    Check dependencies
(1 failure)
** BUILD FAILED **


The following build commands failed:
    Check dependencies
(1 failure)

opened by vibze 2

Nil for 1 (hex) digit colors.
For this call: UIColor(hex: color) Initializer returns nil for all values between 0x000000 and 0x00000f because of formatting string: var hexString = String(format: "%2X", hex) (SwiftHEXColors.swift line 111) which results in " 0" for 0x000000 etc.

First solution: Change var hexString = String(format: "%2X", hex) to var hexString = String(format: "%02X", hex)

Second (better) solution: You don't need to format Int to String, it's a waste of CPU time. The easiest method I can think of to convert Int to RGB color is:

convenience init(hex: Int) { let b = hex % 256 let g = (hex >> 8) % 256 let r = (hex >> 16) % 256 let s = CGFloat(256) self.init(red: CGFloat(r)/s, green: CGFloat(g)/s, blue: CGFloat(b)/s, alpha: 1.0) }
opened by dominikoledzki 2
7.3 beta 4 warning

7.3 b4 includes some warnings for a deprecated init:start:end function.

let greenHex = hex.substringWithRange(Range<String.Index>(start: hex.startIndex.advancedBy(2), end: hex.startIndex.advancedBy(4)))

should be changed to:

let greenHex = hex.substringWithRange(Range<String.Index>(hex.startIndex.advancedBy(2) ..< hex.startIndex.advancedBy(4)))

opened by JohnRbk 2
Bump addressable from 2.6.0 to 2.8.0
Bumps addressable from 2.6.0 to 2.8.0.

Changelog

Sourced from addressable's changelog.

Addressable 2.8.0

fixes ReDoS vulnerability in Addressable::Template#match

no longer replaces + with spaces in queries for non-http(s) schemes

fixed encoding ipv6 literals

the :compacted flag for normalized_query now dedupes parameters

fix broken escape_component alias

dropping support for Ruby 2.0 and 2.1

adding Ruby 3.0 compatibility for development tasks

drop support for rack-mount and remove Addressable::Template#generate

performance improvements

switch CI/CD to GitHub Actions

Addressable 2.7.0

added :compacted flag to normalized_query

heuristic_parse handles mailto: more intuitively

dropped explicit support for JRuby 9.0.5.0

compatibility w/ public_suffix 4.x

performance improvements

Commits

6469a23 Updating gemspec again

2433638 Merge branch 'main' of github.com:sporkmonger/addressable into main

e9c76b8 Merge pull request #378 from ashmaroli/flat-map

56c5cf7 Update the gemspec

c1fed1c Require a non-vulnerable rake

0d8a312 Adding note about ReDoS vulnerability

89c7613 Merge branch 'template-regexp' into main

cf8884f Note about alias fix

bb03f71 Merge pull request #371 from charleystran/add_missing_encode_component_doc_entry

6d1d809 Adding note about :compacted normalization

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dependencies
opened by dependabot[bot] 1
Bump rubyzip from 1.2.3 to 1.3.0
Bumps rubyzip from 1.2.3 to 1.3.0.

Release notes

Sourced from rubyzip's releases.

v1.3.0

Security

Add validate_entry_sizes option so that callers can trust an entry's reported size when using extract #403

This option defaults to false for backward compatibility in this release, but you are strongly encouraged to set it to true. It will default to true in rubyzip 2.0.

New Feature

Add add_stored method to simplify adding entries without compression #366

Tooling / Documentation

Add more gem metadata links #402

v1.2.4

Do not rewrite zip files opened with open_buffer that have not changed #360

Tooling / Documentation

Update example_recursive.rb in README #397

Hold CI at trusty for now, automatically pick the latest ruby patch version, use rbx-4 and hold jruby at 9.1 #399

Changelog

Sourced from rubyzip's changelog.

1.3.0 (2019-09-25)

Security

Add validate_entry_sizes option so that callers can trust an entry's reported size when using extract #403

This option defaults to false for backward compatibility in this release, but you are strongly encouraged to set it to true. It will default to true in rubyzip 2.0.

New Feature

Add add_stored method to simplify adding entries without compression #366

Tooling / Documentation

Add more gem metadata links #402

1.2.4 (2019-09-06)

Do not rewrite zip files opened with open_buffer that have not changed #360

Tooling / Documentation

Update example_recursive.rb in README #397

Hold CI at trusty for now, automatically pick the latest ruby patch version, use rbx-4 and hold jruby at 9.1 #399

Commits

e79d9ea Merge pull request #407 from rubyzip/v1-3-0

7c65e1e Bump version to 1.3.0

d65fe7b Merge pull request #403 from rubyzip/check-size

97cb6ae Warn when an entry size is invalid

7849f73 Default validate_entry_sizes to false for 1.3 release

4167f0c Validate entry sizes when extracting

94b7fa2 [ci skip] Update changelog

93505ca Check expected entry size in add_stored test

6619bf3 Merge pull request #366 from hainesr/add-stored

ecb2776 Zip::File.add_stored() to add uncompressed files.

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dependencies
opened by dependabot[bot] 1
Taking Color Space into account

Hex representation of web colors is specified in sRGB color space. Shouldn’t that be taken into account when converting to and from a hex string? Input color can be in any color space and that affects the hex output.

Also some colors (like system colors) don’t have RGB values so they need to be converted to another color space first too.
help wanted

opened by pointum 1
Bump addressable from 2.6.0 to 2.8.1
Bumps addressable from 2.6.0 to 2.8.1.

Changelog

Sourced from addressable's changelog.

Addressable 2.8.1

refactor Addressable::URI.normalize_path to address linter offenses (#430)

remove redundant colon in Addressable::URI::CharacterClasses::AUTHORITY regex (#438)

update gemspec to reflect supported Ruby versions (#466, #464, #463)

compatibility w/ public_suffix 5.x (#466, #465, #460)

fixes "invalid byte sequence in UTF-8" exception when unencoding URLs containing non UTF-8 characters (#459)

Ractor compatibility (#449)

use the whole string instead of a single line for template match (#431)

force UTF-8 encoding only if needed (#341)

#460: sporkmonger/addressable#460 #463: sporkmonger/addressable#463 #464: sporkmonger/addressable#464 #465: sporkmonger/addressable#465 #466: sporkmonger/addressable#466

Addressable 2.8.0

fixes ReDoS vulnerability in Addressable::Template#match

no longer replaces + with spaces in queries for non-http(s) schemes

fixed encoding ipv6 literals

the :compacted flag for normalized_query now dedupes parameters

fix broken escape_component alias

dropping support for Ruby 2.0 and 2.1

adding Ruby 3.0 compatibility for development tasks

drop support for rack-mount and remove Addressable::Template#generate

performance improvements

switch CI/CD to GitHub Actions

Addressable 2.7.0

added :compacted flag to normalized_query

heuristic_parse handles mailto: more intuitively

dropped explicit support for JRuby 9.0.5.0

compatibility w/ public_suffix 4.x

performance improvements

Commits

8657465 Update version, gemspec, and CHANGELOG for 2.8.1 (#474)

4fc5bb6 CI: remove Ubuntu 18.04 job (#473)

860fede Force UTF-8 encoding only if needed (#341)

99810af Merge pull request #431 from ojab/ct-_do_not_parse_multiline_strings

7ce0f48 Merge branch 'main' into ct-_do_not_parse_multiline_strings

7ecf751 Merge pull request #449 from okeeblow/freeze_concatenated_strings

41f12dd Merge branch 'main' into freeze_concatenated_strings

068f673 Merge pull request #459 from jarthod/iso-encoding-problem

b4c9882 Merge branch 'main' into iso-encoding-problem

08d27e8 Merge pull request #471 from sporkmonger/sporkmonger-enable-codeql

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dependencies
opened by dependabot[bot] 0
Bump tzinfo from 1.2.5 to 1.2.10
Bumps tzinfo from 1.2.5 to 1.2.10.

Release notes

Sourced from tzinfo's releases.

v1.2.10

Fixed a relative path traversal bug that could cause arbitrary files to be loaded with require when used with RubyDataSource. Please refer to https://github.com/tzinfo/tzinfo/security/advisories/GHSA-5cm2-9h8c-rvfx for details. CVE-2022-31163.

Ignore the SECURITY file from Arch Linux's tzdata package. #134.

TZInfo v1.2.10 on RubyGems.org

v1.2.9

Fixed an incorrect InvalidTimezoneIdentifier exception raised when loading a zoneinfo file that includes rules specifying an additional transition to the final defined offset (for example, Africa/Casablanca in version 2018e of the Time Zone Database). #123.

TZInfo v1.2.9 on RubyGems.org

v1.2.8

Added support for handling "slim" format zoneinfo files that are produced by default by zic version 2020b and later. The POSIX-style TZ string is now used calculate DST transition times after the final defined transition in the file. The 64-bit section is now always used regardless of whether Time has support for 64-bit times. #120.

Rubinius is no longer supported.

TZInfo v1.2.8 on RubyGems.org

v1.2.7

Fixed 'wrong number of arguments' errors when running on JRuby 9.0. #114.

Fixed warnings when running on Ruby 2.8. #112.

TZInfo v1.2.7 on RubyGems.org

v1.2.6

Timezone#strftime('%s', time) will now return the correct number of seconds since the epoch. #91.

Removed the unused TZInfo::RubyDataSource::REQUIRE_PATH constant.

Fixed "SecurityError: Insecure operation - require" exceptions when loading data with recent Ruby releases in safe mode.

Fixed warnings when running on Ruby 2.7. #106 and #111.

TZInfo v1.2.6 on RubyGems.org

Changelog

Sourced from tzinfo's changelog.

Version 1.2.10 - 19-Jul-2022

Fixed a relative path traversal bug that could cause arbitrary files to be loaded with require when used with RubyDataSource. Please refer to https://github.com/tzinfo/tzinfo/security/advisories/GHSA-5cm2-9h8c-rvfx for details. CVE-2022-31163.

Ignore the SECURITY file from Arch Linux's tzdata package. #134.

Version 1.2.9 - 16-Dec-2020

Fixed an incorrect InvalidTimezoneIdentifier exception raised when loading a zoneinfo file that includes rules specifying an additional transition to the final defined offset (for example, Africa/Casablanca in version 2018e of the Time Zone Database). #123.

Version 1.2.8 - 8-Nov-2020

Added support for handling "slim" format zoneinfo files that are produced by default by zic version 2020b and later. The POSIX-style TZ string is now used calculate DST transition times after the final defined transition in the file. The 64-bit section is now always used regardless of whether Time has support for 64-bit times. #120.

Rubinius is no longer supported.

Version 1.2.7 - 2-Apr-2020

Fixed 'wrong number of arguments' errors when running on JRuby 9.0. #114.

Fixed warnings when running on Ruby 2.8. #112.

Version 1.2.6 - 24-Dec-2019

Timezone#strftime('%s', time) will now return the correct number of seconds since the epoch. #91.

Removed the unused TZInfo::RubyDataSource::REQUIRE_PATH constant.

Fixed "SecurityError: Insecure operation - require" exceptions when loading data with recent Ruby releases in safe mode.

Fixed warnings when running on Ruby 2.7. #106 and #111.

Commits

0814dcd Fix the release date.

fd05e2a Preparing v1.2.10.

b98c32e Merge branch 'fix-directory-traversal-1.2' into 1.2

ac3ee68 Remove unnecessary escaping of + within regex character classes.

9d49bf9 Fix relative path loading tests.

394c381 Remove private_constant for consistency and compatibility.

5e9f990 Exclude Arch Linux's SECURITY file from the time zone index.

17fc9e1 Workaround for 'Permission denied - NUL' errors with JRuby on Windows.

6bd7a51 Update copyright years.

9905ca9 Fix directory traversal in Timezone.get when using Ruby data source

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dependencies
opened by dependabot[bot] 0
Bump cocoapods-downloader from 1.2.2 to 1.6.3
Bumps cocoapods-downloader from 1.2.2 to 1.6.3.

Release notes

Sourced from cocoapods-downloader's releases.

1.6.3

Enhancements

None.

Bug Fixes

None.

1.6.2

Enhancements

None.

Bug Fixes

None.

1.6.1

Enhancements

None.

Bug Fixes

None.

1.6.0

Enhancements

None.

Bug Fixes

Adds a check for command injections in the input for hg and git.
orta #124

1.5.1

Enhancements

None.

Bug Fixes

Fix "can't modify frozen string" errors when pods are integrated using the branch option
buju77 #10920

1.5.0

... (truncated)

Changelog

Sourced from cocoapods-downloader's changelog.

1.6.3 (2022-04-01)

Enhancements

None.

Bug Fixes

None.

1.6.2 (2022-03-28)

Enhancements

None.

Bug Fixes

None.

1.6.1 (2022-03-23)

Enhancements

None.

Bug Fixes

None.

1.6.0 (2022-03-22)

Enhancements

None.

Bug Fixes

Adds a check for command injections in the input for hg and git.
orta #124

1.5.1 (2021-09-07)

Enhancements

None.

... (truncated)

Commits

c03e2ed Release 1.6.3

f75bccc Disable Bazaar tests due to macOS 12.3 not including python2

52a0d54 Merge pull request #128 from CocoaPods/validate_before_dl

d27c983 Ensure that the git pre-processor doesn't accidentally bail also

3adfe1f [CHANGELOG] Add empty Master section

591167a Release 1.6.2

d2564c3 Merge pull request #127 from CocoaPods/validate_before_dl

99fec61 Switches where we check for invalid input, to move it inside the download fun...

96679f2 [CHANGELOG] Add empty Master section

3a7c54b Release 1.6.1

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dependencies
opened by dependabot[bot] 0

Owner

Thi Doãn

GitHub

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System Color Picker The macOS color picker as an app with more features Download Requires macOS 11 or later. Features Quickly copy, paste, and convert

758 Dec 24, 2022

ColorWheel Test - An attempt at creating a Color Wheel to be utilized for color picking in SwiftUI utlizing various tutuorials on youtube

This code focuses on creating a Color Wheel in which a user will be able to select a desired color to then be implemented in another project that will display that color in an LED connected to an arduino

0 Jan 15, 2022

A pure Swift library that allows you to easily convert SwiftUI Colors to Hex String and vice versa.

iOS · macOS · watchOS · tvOS A pure Swift library that allows you to easily convert SwiftUI Colors to Hex String and vice versa. There is also support

3 Nov 20, 2022

ChromaColorPicker - An intuitive HSB color picker built in Swift

An intuitive HSB color picker built in Swift. Supports multiple selection handles and is customizable to your needs.

536 Dec 29, 2022

SheetyColors is an action sheet styled color picker for iOS

?? Based on UIAlertController: The SheetyColors API is based on UIKit's UIAlertController. Simply add buttons to it as you would for any other Action Sheet by defining UIAlertAction instances. Therefore, it nicely integrates with the look & feel of all other native system dialogs. However, you can also chose to use the color picker it self without an action sheet.

102 Nov 10, 2022

HEX color handling as an extension for UIColor

Related tags

Overview

SwiftHEXColors

Examples

iOS

OSX

Installation

Swift Package Manager

CocoaPods

Carthage

Manually

Requirements

License

Comments

Addressable 2.8.0

Addressable 2.7.0

v1.3.0

v1.2.4

1.3.0 (2019-09-25)

1.2.4 (2019-09-06)

Addressable 2.8.1

Addressable 2.8.0

Addressable 2.7.0

v1.2.10

v1.2.9

v1.2.8

v1.2.7

v1.2.6

Version 1.2.10 - 19-Jul-2022

Version 1.2.9 - 16-Dec-2020

Version 1.2.8 - 8-Nov-2020

Version 1.2.7 - 2-Apr-2020

Version 1.2.6 - 24-Dec-2019

1.6.3

Enhancements

Bug Fixes

1.6.2

Enhancements

Bug Fixes

1.6.1

Enhancements

Bug Fixes

1.6.0

Enhancements

Bug Fixes

1.5.1

Enhancements

Bug Fixes

1.5.0

1.6.3 (2022-04-01)

Enhancements

Bug Fixes

1.6.2 (2022-03-28)

Enhancements

Bug Fixes

1.6.1 (2022-03-23)

Enhancements

Bug Fixes

1.6.0 (2022-03-22)

Enhancements

Bug Fixes

1.5.1 (2021-09-07)

Enhancements

Owner

Thi Doãn

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System Color Picker - The macOS color picker as an app with more features

ColorWheel Test - An attempt at creating a Color Wheel to be utilized for color picking in SwiftUI utlizing various tutuorials on youtube

A pure Swift library that allows you to easily convert SwiftUI Colors to Hex String and vice versa.

ChromaColorPicker - An intuitive HSB color picker built in Swift

SheetyColors is an action sheet styled color picker for iOS

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