https://github.com/arklumpus/AvaloniaColorPicker

A color picker for Avalonia
https://github.com/arklumpus/AvaloniaColorPicker

Last synced: 3 months ago
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A color picker for Avalonia

• Host: GitHub
• URL: https://github.com/arklumpus/AvaloniaColorPicker
• Owner: arklumpus
• License: lgpl-3.0
• Created: 2020-11-15T02:07:43.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2023-07-30T12:34:58.000Z (over 1 year ago)
• Last Synced: 2024-04-27T05:40:39.284Z (6 months ago)
• Language: C#
• Size: 2.7 MB
• Stars: 73
• Watchers: 3
• Forks: 6
• Open Issues: 2
• Metadata Files:
  • Readme: Readme.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-avalonia - AvaloniaColorPicker - A color picker that supports RGB, HSB and CIELAB color spaces. (Libraries & Extensions / Controls)

README

        
# AvaloniaColorPicker: a color picker for Avalonia



[![License: LGPL v3](https://img.shields.io/badge/License-LGPL_v3-blue.svg)](https://www.gnu.org/licenses/lgpl-3.0)

[![Version](https://img.shields.io/nuget/v/AvaloniaColorPicker)](https://nuget.org/packages/AvaloniaColorPicker)

**AvaloniaColorPicker** is a colour picker control for Avalonia, with support for RGB, HSB and CIELAB colour spaces, palettes and colour blindness simulation.

The library contains three main controls:

* The `ColorPicker` class represents the core of the library: a color picker control that lets users specify a color in RGB, HSB or CIELAB components, either as raw values, or by using a 1-D slider combined with a 2-D surface. It can simulate how the colours would look when viewed by people with various kinds of color-blindness and it can suggest, for any given colour, a lighter and darker shade of the colour, as well as a "contrasting colour" that stands up against it, even when viewed by colour-blind people. It has a "palette" feature to store user-defined colours that persist between sessions and are shared between all applications using this control). Seven predefined palettes are also provided.

* The `ColorPickerWindow` class represents a window containing a `ColorPicker` and two buttons (`OK` and `Cancel`); this can be used as a dialog window to let users choose a colour.

* The `ColorButton` class represents a button displaying the currently selected colour, which can be clicked to choose another colour from the current palette or from a `ColorPickerWindow`.

In addition, the library contains a number of controls and interfaces that can be used to customise the interface of the colour picker.

The library is released under the [LGPLv3](https://www.gnu.org/licenses/lgpl-3.0.html) licence.



## Getting started

The library targets .NET Standard 2.0, thus it can be used in projects that target .NET Standard 2.0+ and .NET Core 2.0+.

To use the library in your project, you should install the [AvaloniaColorPicker Nuget package](https://www.nuget.org/packages/AvaloniaColorPicker/).

This repository also contains three very simple demo projects, one using the `ColorButton` control, one using the `ColorPicker` control, and one showing how to create a custom colour picker interface using the `CustomColorPicker` control.

## Usage

You will need to add the relevant `using` directive (in C# code) or the XML namespace (in the XAML code). You can then add controls from the AvaloniaColorPicker namespace. For example

```XAML

  ...

    

  ...

```

The [Wiki](https://github.com/arklumpus/AvaloniaColorPicker/wiki) for this repository contains more information about the controls included in the library and how they can be used.

## Source code

The source code for the library is available in this repository. In addition to the `AvaloniaColorPicker` library project and the three demo applications, the repository also contains a project for an application that is used to generate the `LabColorSpace.bin` cache file that is used by `AvaloniaColorPicker` to display 3D "sections" of the CIELAB colour space.