International PHP Conference Berlin 2025

    Color Representation

    (UI 0.9.9)

    Introduction

    Represents RGBA colours, individual channels are accessible via public properties.

    Class synopsis

    class UI\Draw\Color {
    /* Constants */
    const int Red;
    const int Green;
    const int Blue;
    const int Alpha;
    /* Properties */
    public $r;
    public $g;
    public $b;
    public $a;
    /* Constructor */
    public __construct(UI\Draw\Color $color = ?)
    public __construct(int $color = ?)
    /* Methods */
    public getChannel(int $channel): float
    public setChannel(int $channel, float $value): void
    }

    Properties

    r

    Provides access to the red channel

    g

    Provides access to the green channel

    b

    Provides access to the blue channel

    a

    Provides access to the alpha channel

    Predefined Constants

    UI\Draw\Color::Red

    Identifies the red channel

    UI\Draw\Color::Green

    Identifies the green channel

    UI\Draw\Color::Blue

    Identifies the blue channel

    UI\Draw\Color::Alpha

    Identifies the alpha channel

    Table of Contents

    Found A Problem?

    Learn How To Improve This Page • Submit a Pull Request • Report a Bug
    ＋add a note

    User Contributed Notes

    There are no user contributed notes for this page.
    To Top